MODEL C650 SERIES

PROPELLER
OVERHAUL MANUAL

Member of GAMA

COPYRIGHT © 2007
CESSNA AIRCRAFT COMPANY
WICHITA, KANSAS, USA
REVISION 2 19 OCTOBER 2015
1 AUGUST 2007
 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
MAINTENANCE MANUAL

INTRODUCTION - LIST OF EFFECTIVE PAGES

CHAPTER-SECTION-SUBJECT PAGE DATE
00-Title
00-List of Effective Pages
00-Record of Revisions
00-Record of Temporary Revisions
00-Table of Contents
LIST OF REVISIONS Page 1 Oct 19/2015
INTRODUCTION Pages 1-8 Oct 19/2015
ICA SUPPLEMENT LIST Page 1 Aug 18/2014

INTRODUCTION - LIST OF EFFECTIVE PAGES Page 1 of 1

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

INTRODUCTION - CONTENTS
LIST OF REVISIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Export Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1
Coverage and Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Instructions for Continued Airworthiness (ICA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Cross Reference Listing of Popular Name Verses Model Numbers. . . . . . . . . . . . . . . Page 3
Propeller Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3
Coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3
Definitions of Propeller Servicing and Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4
Temporary Revisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4
Applicable Service Bulletins and Service Letters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4
Using the C650 Overhaul Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5
Warnings, Cautions and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5
List of Effective Pages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5
Revision Filing Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6
Identifying Revised Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6
List of Obsoleted Documents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6
Incorporated Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6
Service Information Active Because of Active Airworthiness Directives . . . . . . . . . . . Page 7
Active Service Bulletins and Service Letters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7
How to Get Customer Assistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 8
Customer Comments on Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 8
ICA SUPPLEMENT LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 1

INTRODUCTION - CONTENTS Page 1 of 1

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

LIST OF REVISIONS

1. General
A. This maintenance manual includes the original issue and the revisions listed in Table 1. To ensure
information in this manual is current and the latest maintenance and inspections procedures are
available, the revisions must be incorporated in the manual as they are issued.

Table 1. Original Issue -- August 1, 2007

Revision Number Date Revision Number Date

1 18 August 2014 2 19 October 2015

B. For FAA Approved Airworthiness Limitations that affect propeller models applicable to this
maintenance manual, refer to MPC26, Owner/Operator Information Manual, Revision 3 (always use
the latest revision), Chapter 4 Airworthiness Limitations (latest revision).

2. Export Compliance
A. This publication contains technical data and is subject to U.S. export regulations. This information has
been exported from the United States in accordance with export administration regulations. Diversion
contrary to U.S. law is prohibited.
ECCN: 9E991

LIST OF REVISIONS Page 1

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

INTRODUCTION

1. General
A. The instructions for continued airworthiness (ICA) in this publication uses the data available at the
time of publication. This publication is updated, supplemented, and changed by service letters,
service bulletins, publication revisions, reissues, ICA supplements, and temporary revisions, which
are supplied by subscription services available from McCauley Product Support. All of these changes
become part of and are specifically included in this publication. The latest changes to this publication
are given through the McCauley Product Support subscription services and/or McCauley authorized
service facilities.

WARNING: The purchaser is warned not to use the data in McCauley's

overhaul/maintenance/service/information manuals when parts
are designed, manufactured, remanufactured, overhauled, and/or
approved by entities, other than McCauley or McCauley authorized
entities, are installed. When non-McCauley parts are used, the
data in McCauley's overhaul/maintenance/service/information
manuals is no longer applicable. All of the inspection intervals,
replacement time limits, overhaul time limits, inspection methods,
life limits, cycle limits, etc., McCauley recommends are given
when new, remanufactured, or overhauled McCauley approved
parts are installed. All inspection intervals, replacement time
limits, overhaul time limits, the methods of inspection, life limits,
cycle limits, etc., for non-McCauley parts must come from the
manufacturer and/or seller of the non-McCauley parts.
B. Inspection, maintenance and parts requirements for Supplemental Type Certificate (STC) installations
that modify the propeller are not given in this manual. When the propeller has an STC installation,
those parts of the propeller that the installation has an effect on, must be examined in accordance with
the inspection program published by the owner of the STC. McCauley-supplied inspection criteria may
not be valid for propellers that have STC installations because they may change the systems interface,
operating characteristics and component loads or stresses on adjacent structures.

WARNING: Any inspection and/or repair requiring disassembly, reassembly or

overhaul of a McCauley propeller must be done in an FAA-approved
or international equivalent propeller repair station by qualified
personnel.
C. Users of this manual are presumed to have sufficient training to follow these instructions carefully and
correctly.
D. The inspection requirements are stated in a manner to establish what propeller component is to be
inspected, preferred inspection method, and criteria for airworthiness.
E. This manual contains overhaul instructions, test instructions and illustrated parts list for the C650
Model Series Constant-Speed Propeller Assemblies manufactured by McCauley Propeller Systems.
F. Overhaul instructions are provided on a functional basis (Disassembly, Cleaning, Repair, etc.). To the
maximum extent possible, the instructions are general and apples to all C650 model series propellers.
When propellers differ from the general or typical propeller, different instructions as required will be
identified with the particular propeller model or subassembly part number as the case may be.
G. Additional model C650 model series propellers will be incorporated in this manual by the addition
of pertinent data and the addition of the model number and detail parts to the Illustrated Parts List.
Different instructions specific for the added models will be given in the appropriate chapters.

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OVERHAUL MANUAL

H. McCauley Standard Practices Manual (SPM100), Tools List Section 60-00-09, lists the tools by
propeller type required to perform the overhaul operations.
I. Tables of Propeller Application are not given in this manual. The user is directed to consult the FAA
Aircraft Type Certificate Data Sheet (TCDS) for pertinent data for propellers (blade angles, certificated
diameter ranges, particularly). For convenience, the McCauley Propeller Systems Application Guide
(MAG) may be used for propeller application information. The TCDS supersedes any information
published in the MAG.

2. Coverage and Format

A. The MPC650 Propeller Overhaul Manual has been prepared to assist in servicing, overhauling,
and inspecting McCauley C650 model series propeller assemblies, blades/blade assemblies, and
associated parts. In conjunction with the SPM100, Standard Practices Manual, BOM100, Blade
Overhaul Manual, MPC26, Owner/Operator Information Manual, and all subsequent necessary
and required service bulletins and service letters, and ICA Supplements, this manual provides the
necessary information required to enable the certified propeller repair technician to service, inspect,
overhaul, and repair a McCauley C650 model series propeller assembly.
B. The information in this publication is based on data available at the time of publication and is updated,
supplemented, and automatically amended by all information issued in Service Bulletins, Service
Letters, Revisions, Reissues, Temporary Revisions, and ICA Supplements. All such amendments
become part of and are specifically incorporated within this publication. Users are urged to keep
abreast of the latest amendments to this publication through information available through the
McCauley subscription services.
C. Information in this manual is applicable to all U.S. and Foreign Certified propellers.
D. All supplemental service information concerning this manual is supplied to all appropriate McCauley
Service Stations so that they have the latest authoritative recommendations for servicing McCauley
propellers. Therefore, it is recommended that McCauley owners and operators utilize the knowledge
and experience of the McCauley Service Centers.
E. This manual has been prepared in accordance with the Air Transport Association (ATA) Specification
Number 2200 for Manufacturer’s Technical Data.
F. Information beyond the scope of this manual may be found in the SPM100, Standard Practices
Manual, BOM100, Blade Overhaul Manual, and the MPC26, Owner/Operator Information Manual.
G. This manual is available on paper and CD-ROM.

3. Instructions for Continued Airworthiness (ICA)

A. Owner/Operator Information Manual
(1) MPC26, Owner/Operator Information Manual is the principal manual for maintenance personnel
to service, examine, troubleshoot, remove and install C650 model series propellers.
(2) Refer to the MPC26 Owner/Operator Information Manual for all C650 model series propeller
airworthiness limitation inspection time limits and airworthiness limitation replacement time limits.
B. MPC650 Propeller Overhaul Manual
(1) The instructions provided in this manual may be revised to add changes to an existing ICA or
to add an additional ICA when changes to an affected propeller type design require changes
to these instructions. When a revision to this manual is not possible within the time constraints
for these ICAs, the instructions may be transmitted with a temporary revision or with an ICA
supplement. Temporary revisions will be incorporated in the next revision to this manual and
ICA supplements will also be incorporated in the next revision unless these instructions require
restricted distribution.
C. Temporary Revisions
(1) Temporary revisions may be produced to transmit supplemental instructions for continued
airworthiness when a revision to this manual is not possible within the time constraints for the
ICA. The Temporary Revision will consist of complete page blocks which replace the existing
paper and will temporally supersede the CD-ROM data. Temporary revisions will be included on

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OVERHAUL MANUAL

the CD-ROM on the next CD-ROM release. Temporary revisions are numbered consecutively
in the ATA chapter assignment. Page numbering uses the three-element number, which
matches the affected manual.
(2) Paper version of the temporary revision
(a) Paper temporary revisions will be distributed on yellow paper. File the temporary revision
cover sheet after the title page of the chapter to which it applies and substitute or add the
remaining pages in the paper manual.
(3) Electronic (CD-ROM) Version of the Maintenance Manual.
(a) The cover sheet will be located in the overhaul manual at the beginning of the chapter to
which it applies and the changed or added pageblocks will be located in the appropriate
location by ATA.
D. ICA Supplements
(1) ICA supplements may be produced to transmit supplemental instructions for continued
airworthiness when a revision to the owner/operator information manual is not possible within
the time constraints for these ICAs. ICA supplements will provide supplemental instructions
for one or more affected manuals and is to be used in conjunction with the affected manuals
(maintenance manual, wiring diagram manual, etc.) until those instructions are incorporated
into the manuals. ICA supplements are numbered consecutively by model in the ATA chapter
assignment. Page numbering uses the three-element number, which matches the affected
manual.
(2) Refer to the ICA Supplement List to determine the incorporation status for each manual affected.

4. Cross Reference Listing of Popular Name Verses Model Numbers

A. All propellers are certified under model number designations. However, in this manual, reference to
specific propellers is almost always by the shortened propeller model number unless the full model
number is necessary to differentiate between versions of the same basic model.

EXAMPLE: Example: 4HFR34C652-X/X-L106LA-0 propeller assembly is shortened to the Hub

model designation 4HFR34C652 which can also be shortened to C652.

5. Propeller Model Number

A. Refer to the C650 Description and Operation section of this manual for an explanation of the propeller
model number.

6. Coverage
A. The McCauley MPC650 Propeller Overhaul Manual is prepared with information given by the ATA (Air
Transport Association) Specification Number 2200 for Manufacturer's Technical Data.
B. The information in this Propeller Overhaul Manual is applicable to the following model propellers:

Table 1. Table 1: Propeller Models

Propeller Models
4HFR34C65 4HFR34C65 4HFR34C66 4HFR34C66 4HFR34C66 4HFR34C66
2 3 1 3 4 5

C. This manual gives the necessary information required to help maintenance personnel to overhaul,
service, examine, and troubleshoot McCauley C650 model series propellers.
D. Information in this manual is applicable to all U.S. and Foreign Certified propellers.

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OVERHAUL MANUAL

7. Definitions of Propeller Servicing and Life

A. Overhaul - The periodic disassembly, inspection, reconditioning, and reassembly. The overhaul
period is generally based on hours of service (operating time) or calendar time. At such specified
times, the propeller is completely disassembled; inspected for wear, cracks, corrosion or any other
unusual or abnormal condition; parts are refinished; certain parts are replaced; and the propeller
is reassembled and balanced. At overhaul, the instructions contained in this manual, the SPM100
Standard Practices Manual, BOM100 Blade Overhaul Manual, ICA Supplements and all subsequent
necessary and required service bulletins and service letters must be followed.
B. Reconditioning - The rework of major or minor blade damage caused by erosion or striking small
objects during normal operation. Rebalancing of the propeller may be required. Reconditioning is
accomplished on an irregular basis as necessary and required.
C. Repair - The correction, on an irregular basis as necessary and required, of minor or major damage
caused by a physical mishap or failure. Minor repair may be accomplished without overhaul. The
amount, degree and extent of damage determines whether or not a propeller can be repaired without
overhaul. If there is any question, and whenever possible, overhaul should be accomplished.
D. Propeller Life - This is expressed in terms of the total hours of service (TT or Total Time) and the hours
of service since overhaul (TSO or Time Since Overhaul). Both references are necessary to define the
life of the propeller. Overhaul does not return the propeller to zero hours total time (TT), only to zero
hours since overhaul (TSO). Reconditioning or repair without overhaul has no effect on total time (TT)
or time since overhaul (TSO).

8. Temporary Revisions
A. Additional information which becomes available may be provided by temporary revision. This service
is used to provide, without delay, new information which will assist in maintaining safety. Temporary
revisions are numbered consecutively within the ATA chapter assignment. Temporary revisions are
normally incorporated into the manual at the next regularly scheduled revision.

9. Applicable Service Bulletins and Service Letters

A. Alert Service Bulletin
(1) Alert Service Bulletins are technical documents that provide instructions and, if applicable, part
information for the incorporation of an installation, modification, or repair to a specific propeller
or propeller component. Alert Service Bulletins are used to announce mandatory special
product inspection criteria and modifications, revised maintenance information and/or revised
operational information which has been determined to be critical for the continued safe and
reliable performance of the propeller, or propeller component.
B. Service Bulletin
(1) Service Bulletins are technical documents that provide instructions and, if applicable, part
information for the incorporation of an installation, modification, or repair to a specific propeller or
propeller component. Service Bulletins are used to announce special product inspection criteria
and modifications, revised maintenance information and/or revised operational information
which has been determined to be critical for the continued safe and reliable performance of the
propeller, or propeller component.
C. Service Letter
(1) Service Letters are used to announce support and service information.
D. Special Service Project
(1) Special Service Projects (SSP's) are similar to service bulletins and are used to announce
special product inspection criteria and modifications, revised maintenance information and/or
revised operational information which is intended to assist in improving propeller safety,
reliability, durability and/or performance. SSP's typically contain similar information and/or
headings as service bulletins, but are often tailored for special situations and/or conditions

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or logistical requirements that may affect only a limited number of propellers. One additional
heading that can be found on a SSP is the heading titled "Duration". The Duration heading
provides an expiration date for the SSP when used.

10. Using the C650 Overhaul Manual

A. Division of Subject Matter.
(1) The information in the MPC650 Propeller Overhaul Manual content organization is covered by
Air Transport Association Chapter 61.
B. Page Numbering System.
(1) The page numbering system of this Overhaul Manual consists of the Air Transport Association
Specification 2200 three-element numbers separated by dashes, next to which the page number
and date are printed.
(2) The page number to the right of the three-element number complies with Air Transport
Association Specification 2200 for subdividing an Overhaul Manual. Blocks of sequential
numbers are used to identify:

Page 1 through 99 Description and Operation

Page 101 through 199 Troubleshooting
Page 301 through 399 Disassembly
Page 401 through 499 Cleaning
Page 501 through 599 Inspection/Check
Page 601 through 699 Repair and Replacement
Page 701 through 799 Assembly
Page 801 through 899 Testing and Balance
Page 1001 through 1099 Illustrated Parts List
(3) The date which appears below the page number signifies when the page was issued. If no
revisions to that page have occurred, the date signifies original date.
(4) Illustrations use the same figure numbering as the page block in which they appear. For example:
Figure 602 would be the second figure in a repair section.

11. Warnings, Cautions and Notes

A. Throughout the text in this manual, warnings, cautions and notes pertaining to the procedures being
accomplished are included. These adjuncts to the text are used to highlight or emphasize important
points. Warnings and Cautions precede the text they pertain to, and Notes follow the text they pertain
to.
(1) WARNING - Calls attention to use of materials, processes, methods, procedures or limits which
must be followed precisely to avoid injury or death to persons.
(2) CAUTION - Calls attention to methods and procedures which must be followed to avoid damage
to equipment.
(3) NOTE - Calls attention to methods which will make the job easier.

12. List of Effective Pages

A. A list of effective pages is provided at the beginning of each chapter. All pages in the specific chapter
are listed in numerical sequence on the Effectivity Page(s) with the date of issue for each page.

13. Revision Filing Instructions

A. Regular Revision

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(1) Pages to be removed or inserted in the manual are determined by the effectivity page. Pages are
listed by the three-element number (chapter/section/subject) and then by page number. When
two pages display the same three-element number and page number, the page with the most
recent Date of Page Issue shall be inserted in the maintenance manual. The date column on
the corresponding chapter effectivity page shall verify the active page.
B. Temporary Revision
(1) File temporary revisions in the applicable chapter(s) in accordance with filing instructions
appearing on the first page of the temporary revision.
(2) The rescission of a temporary revision is accomplished by incorporation into the manual or by a
superseding temporary revision. A Record of Temporary Revisions is furnished in the Temporary
Revision List located previous to the Introduction. A Manual Incorporation Date column on the
Temporary Revision List page will indicate the date the Temporary Revision was incorporated,
thus authorizing the rescission of the temporary revision.

14. Identifying Revised Material

A. Additions or revisions to text in an existing section will be identified by a revision bar in the left margin
of the page and adjacent to the change.
B. When technical changes cause unchanged text to appear on a different page(s), a revision bar will be
placed in the left margin opposite the chapter/section/subject, page number and date of all affected
pages, providing no other revision bar appears on the page. These pages will display the current
revision date in the Date of Page Issue location.
C. When extensive technical changes are made to text in an existing section that requires extensive
revision, revision bars will appear the full length of text.
D. Revisions to illustrations will be shown by a revision bar along the entire vertical length of the left
margin of the illustration.

15. List of Obsoleted Documents

A. The following service information has been incorporated into this manual. This service information is
now obsolete and replaced by this manual for the propellers affected by this manual.

Service Bulletin Number Service Bulletin Date Manual Incorporation

Service Letter Number Service Letter Date Manual Incorporation

16. Incorporated Service Information

A. The following service information has been incorporated into this manual. This service information
remains active due to applicability to other models.

Service Bulletin Service Bulletin Date Manual Incorporation Status

Number
119A March 1, 1999 Original Active
243 March 11, 2003
262 January 24, 2008 Revision 1

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Service Letter Service Letter Date Manual Incorporation Status

Number
1989-3 May 22, 1989 Original Active
1992-15 February 1, 1993 Original Active
1995-4B June 6, 2005 Original Active
1998-23 September 21, 1998 Original Active
1999-6 June 21, 1999 Original Active
2005-7 November 28, 2005 Original Active

17. Service Information Active Because of Active Airworthiness Directives

A. The following service information has been incorporated into this manual. Due to the relationship of
the service information to active Airworthiness Directives, the service information also remains active.

Service Bulletin Service Bulletin Date Manual Incorporation Airworthiness Directive

Number Number

B. The following service information has NOT been incorporated into this manual. The service
information is important and may be related to active Airworthiness Directives.

Service Bulletin Service Bulletin Date Manual Incorporation Airworthiness Directive

Number Number
234B November 19, 2001 2000-15-10

18. Active Service Bulletins and Service Letters

A. The following list of Service Bulletins and Service Letters supplement or replace information contained
in this manual and are to be reviewed prior to servicing or overhaul of a propeller assembly.

Service bulletins Service Letters

Number Date Number Date
176E June 21, 1999 1989-4D July 20, 2001
177B June 30, 1992 2000-21 November 20, 2000
263 June 10, 2008 2005-7 November 28, 2005

19. How to Get Customer Assistance

A. REVISIONS, REISSUES and TEMPORARY REVISIONS can be purchased directly from Cessna:,
Attention: Customer Care, e-mail: Customercare@cessna.textron.com, Telephone 316-517-5800,
Telefax 316-517-7271.
B. Product Support

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McCauley Product Support

McCauley Propeller Systems
Mailing Address P.O. Box 7704
Wichita, KS 67277-7704
(1) If you need assistance with a general support question, publication information, subscriptions,
or maintenance programs visit our website at www.mccauley.textron.com or contact:

McCauley Product Support

Wichita, Kansas
Phone Numbers
1-800-621-7767 or 316-831-4021
Fax 316-206-9948
Email Address productsupport@mccauley.textron.com

20. Customer Comments on Manual

A. McCauley Propeller Systems has endeavored to furnish you with an accurate, useful, and up-to-
date manual. This manual can be improved with your help. Please return the registration card to
receive revisions to this manual. Please contact McCauley Product Support to report any errors,
discrepancies, and omissions in this manual as well as any general comments you wish to make.

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ICA SUPPLEMENT LIST

ICA Supplement Title ICA Manual

Number Supplement Incorporation
Date Date

NOTE: No ICA Supplements have been issued that affect this manual.

ICA SUPPLEMENT LIST Page 1

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CHAPTER

61
PROPELLERS
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61 - LIST OF EFFECTIVE PAGES

CHAPTER-SECTION-SUBJECT PAGE DATE
61-Title
61-List of Effective Pages
61-Record of Temporary Revisions
61-Table of Contents
61-10-06 Pages 1-5 Aug 18/2014
61-10-06 Pages 301-307 Aug 18/2014
61-10-06 Page 401 Aug 18/2014
61-10-06 Pages 501-509 Aug 18/2014
61-10-06 Pages 601-608 Aug 18/2014
61-10-06 Pages 701-724 Aug 18/2014
61-10-06 Pages 801-803 Aug 18/2014
61-10-06 Pages 1001-1026 Aug 18/2014

61 - LIST OF EFFECTIVE PAGES Page 1 of 1

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61 - CONTENTS
C650 DESCRIPTION AND OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 1
Definitions of Blade Servicing and Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 1
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 3
Specific Instructions for Oil-Filled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 5
PROPELLER DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 301
Parts Handling and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 301
Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 301
Bulkhead and Slip Ring Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 301
Mount the Propeller on an Assembly Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 301
External Blade Parts Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 302
Deice Boots Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 302
Feathering Spring Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 302
Subassemblies Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 302
Blade Removal and Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 303
Hub Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 304
Hub Mounting Stud Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 306
Cylinder Locating Pin Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 306
Hub Rear Bushing Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 306
Cylinder Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 306
Link Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 306
Piston Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 306
Support Plate and Bushing Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 306
Actuating Pin Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 307
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 401
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 401
INSPECTION/CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 501
Penetrant Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 501
Detailed Part Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 501
Feathering Spring - Spring Rate Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 507
Preparing and Activating a Propeller Assembly for Long-Term Storage . . . . . . . . . . . 61-10-06 Page 507
Spinner Dimension Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 507
REPAIR AND REPLACEMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 601
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 601
Refinishing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 601
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 601
Change Letter Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 601
Assemble Support Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 603
Link Assembly Bearing Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 603
Actuating Pin Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 606
Overhaul Replacement Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 606
ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 701
General Assembly Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 701
Hub Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 702
Piston Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 702
Cylinder Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 703
Assemble Support Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 703
Blade Retention Bearing Assembly Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 703
Blade Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 706
Actuating Pin Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 708
Blade Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 708
Blade Torque Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 711
Blade Shake Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 711

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Link Assembly Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 712

Piston Rod Assembly Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 712
Support Plate and Bushing Assembly Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 712
Piston Assembly Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 713
Feather Angle Setting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 713
Cylinder Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 713
Counterweight Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 714
Reverse Angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 714
Blade Track Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 714
Final Static Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 714
Cylinder Assembly Parts Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 715
Feathering Spring Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 715
Hub Cavity Oil Fill and Final Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 716
Deice Boot Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 716
Deice Boot Electrical Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 716
Slip Ring, Bulkhead, and Wiring Harness Assembly Installation . . . . . . . . . . . . . . . . . 61-10-06 Page 720
Synchrophaser Target and Balance Weight Installation . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 721
Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 721
TESTING AND BALANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 801
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 801
Setting Blade Angles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 801
Blade Feather Angle Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 801
Blade Feather Angle Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 801
Blade Start Lock Angle Check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 802
Blade Start Lock Angle Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 802
Blade Reverse Angle Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 802
Blade Reverse Angle Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 802
Leakage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 803
Static Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 803
ILLUSTRATED PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 1001
Illustrated Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61-10-06 Page 1001

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C650 DESCRIPTION AND OPERATION

1. Description
A. The C650 series propeller is a single acting unit in which hydraulic pressure opposes the forces of
springs and counterweights to obtain the correct pitch for engine load. Hydraulic pressure urges
blades toward low pitch (increasing RPM), while springs and counterweights urge blades toward high
pitch (decreasing RPM). (Refer to Figure 1).
B. The source of hydraulic pressure for operation is oil from the engine lubricating system, boosted in
pressure by the governor gear pump, and supplied to the propeller piston. The flow of oil through the
governor and the propeller does not interfere with engine lubrication.
C. The propeller is designed to operate in two modes of operation - beta mode and governor mode:
(1) Governor Mode - Oil is metered to and from the propeller (by governor control valve as positioned
by flyweights), increasing and decreasing blade angle (changing pitch) as required when the
propeller speed control setting is altered, or increasing and decreasing pitch to control and
stabilize engine speed with varying power conditions or flight attitudes with a fixed speed setting.
(2) Beta Mode - The pilot may select beta mode for ground reversing or taxi operation by means
of the aircraft engine mechanical linkage. The linkage repositions the propeller reversing lever
and beta valve to provide access for high pressure oil to reach the propeller piston and move
the blades toward reverse pitch. In Beta mode, the engine automatically, by controlling fuel flow,
develops power output to correspond with the pitch setting (determined by the pilot.
D. Cockpit procedure for normal constant speed operation, starting, stopping, and ground run-up is
consistent with standard practice for this type propeller.
E. In flight, complete reduction of hydraulic pressure, whether by happenstance (failure in system causing
loss of oil) or desire (actuation of control to require feathering), will permit and cause control springs
and counterweights to automatically move blades to full feathered (high or maximum pitch) position.
An electric unfeathering hydraulic pump (aircraft or engine supplied) is required to unfeather the
propeller.
F. The propeller hub cavity is partially filled with turbine oil which is sealed in the hub. It is isolated from
engine oil.
(1) The oil provides lubrication and corrosion protection to blade bearings and other internal parts.
G. The propeller has a start lock mechanism installed within the cylinder. This functions in response to
the centrifugal force of rotating weights when the engine is rotating. The mechanism includes latching
weights which will engage a fixed stop to block the movement of the piston in the direction of increasing
blade pitch angle beyond the start lock blade angle.
(1) Latch engagement is only possible when the engine is shut off on the ground.
(2) The latch weights move out by centrifugal force so as to offer no interference to propeller
operation in flight.
(3) During all normal operating conditions of the engine, the eights are disengaged, and offer no
resistance to feathering, unfeathering, or reversing of the propeller.

2. Definitions of Blade Servicing and Life

NOTE: Terms used in this manual are defined as follows for propeller assembly servicing and life:
A. Overhaul
(1) The interval between overhauls of the propeller must not exceed the limitations stated in MPC26
Owner/Operator Information Manual.
(2) Overhaul is the periodic disassembly, inspection, reconditioning and reassembly of a propeller
assembly which is constructed of a number of moveable, detachable parts.
(a) The period between overhauls is based either on hours of service (operating time) or on
calender time.
(3) At specified overhaul periods:
(a) Completely disassemble blade assembly.

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C322

BLADE

HUB ASSEMBLY

COUNTERWEIGHT
A BLADE
ACTUATING
SPRING PIN
REVERSE
STOP
PISTON
ROD

CYLINDER BETA TUBE

PISTON (SUPPLIED BY
FEATHER STOP THE ENGINE
MANUFACTURER)

WIRE RING LINK

RETAINING RING
SOLID SHIM
SPLIT SHIM
O-RING SHIM CARRIER

OUTER
RACE

BEARING

INNER
RACE
SPLIT
RETAINER

DETAIL A 0101T1049

C650 Propeller
Figure 1 (Sheet 1)

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(b) Inspect all parts for cracks, wear, corrosion, and other unusual or abnormal conditions.

NOTE: Refer to the Standard Practices Manual, Section 60-00-02, Inspection Criteria.

(c) Refinish or replace certain parts as specified.

(d) Balance blade per Section 60-00-07 of the Standard Practices Manual, Blade Track and
Blade to Blade Balance.
(4) At overhaul, follow all applicable instructions in this manual and in later service bulletins and
letters.
B. Reconditioning
(1) Reconditioning is the rework of either minor or major damage of certain propeller components,
such as blade damage caused when small objects strike the blade during normal operation.
(a) Recondition blade as needed or required in accordance with procedures in this manual.
(b) Rebalance reconditioned blade before returning to service.
C. Repair
(1) Repair is the correction of either minor or major blade assembly damage.

CAUTION: Always refer to Section 61-10-22, Special Instructions, Blade

Overhaul Manual (BOM100) before you do any repairs.
(a) Repair blade assembly as needed or required in accordance with procedures in this
manual.
(b) Whether or not a blade assembly can be repaired without overhaul is determined by
the amount, degree and extent of major damage (as determined in Section 61-10-02,
Inspection Procedures, Blade Overhaul Manual, BOM100).
D. Blade Model Designation
(1) Blade model designation.

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C285

X−L 114 GC A− 0

reduction in diameter from basic (inches)

staking angle (actuating pin placement)
characteristics of blade design (for example, planform)
basic design diameter (in inches)
designation for direction of rotation viewed from pilot’s seat:
no letter (blank) = Right
L = Left
change designation which may affect eligibility or interchangeability

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3. Introduction
A. The propeller model number is the basic propeller assembly i.e. 4HFR34C652. Variations to the
assembly are specified by the "part number" for example, P6526153-XX. The part number identifies a
variation of the propeller assembly by the angles, blade diameter, paint scheme, oil-fill configuration,
and deice equipment.

EXAMPLE: Part number P6525322-0407 has a start lock angle of 6.0 degrees, reverse blade angle
of -5.0 degrees, feather angle of 88.5 degrees, L106LA-0 blades, uses the D-6198
paint scheme. Figure 2 illustrates a part number explanation.

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Figure 2

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B. The Illustrated Parts List is for all part numbers of a propeller assembly.
C. Table 1 specifies blade model, installation decal, paint scheme, hub assembly, and angles for each
part number propeller.

Table 1. Blade Model, Installation Decal, Hub Assembly, and Angles

PART RE-
NUM- START VERSE
BER PAINT LOCK ANGLE FEATHER
BLADE DECAL SCH- HUB (de- (de- ANGLE
PART NUMBER MODEL B-5043 EME ASSEMBLY grees) grees) (degrees)
tolerance in degrees unless otherwise stated (±0.2) (±0.2) (±0.2)
P6525322-0407 L106LA-0 -48 D-6198 D-6153 6.0 -5.0 88.5
P6525322-0307 L106LA-0 -17 D-6198 D-6153 9.0 -5.0 88.9 (-0.2
or -0.5)
P6536401-0455 L106FA-0 -73 D-6198 D-6153 9.0 -4.0 87.4
P6536401-03 L106FA-0 -58 D-7152 D-6153 6.0 -4.0 87.4
P6616817-0156 90LNA-2 -49 D-6814 D-6153 2.0 -10.0 84.0
P6626401-01 L108FA-0 -67 D-7152 D-6153 6.0 -4.0 87.4
P6636401-0107 L106KA-0 -66 D-6198 D-6153 6.0 -4.0 88.0
P6647468-0107 L108LA-0 -78 D-6198 D-6153 6.0 -5.0 88.5
P6657627-0152 L106 -81 D-6198 D-6153 4.0 -9.0 85.6
FRA-2
(1) Blade model is specified in maximum diameter for a specific propeller part number application.
(2) Refer to the Standard Practices Manual, Section 60-00-07, Paint Instructions, for paint scheme
details.
(3) Angles are specific for the propeller part number.
(4) Some model numbers will have two hub assemblies listed. Either assembly may be used when
assembling the propeller, however only the current production model is available from McCauley.
Careful attention must be made to Notes for correct installation of parts.
D. Refer to McCauley Reference Manual, MPC-5 and the aircraft type certificate data sheet for
applications of specific propeller part numbers.

Table 2. Propeller Type Certificate and Mounting Flange to Blade Centerline Distance

Model Part Number Type Certificate Distance from Mounting Flange to

Blade Centerline
4HFR34C652 P6525322-0407 P3NE 3.955 inches (100.5 mm)
4HFR34C652 P6525322-0307 P3NE 3.955 inches (100.5 mm)
4HFR34C653 P6536401-0455 P3NE 3.955 inches (100.5 mm)
4HFR34C653 P6536401-03 P3NE 3.955 inches (100.5 mm)
4HFR34C661 P6616817-0156 P3NE 3.955 inches (100.5 mm)
4HFR34C662 P6626401-01 P3NE 3.955 inches (100.5 mm)

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Table 2. Propeller Type Certificate and Mounting Flange to Blade Centerline Distance (continued)
Model Part Number Type Certificate Distance from Mounting Flange to
Blade Centerline
4HFR34C663 P6636401-0107 P3NE 3.955 inches (100.5 mm)
4HFR34C664 P6647468-0107 P3NE 3.955 inches (100.5 mm)
4HFR34C665 P6657627-0152 P3NE 3.955 inches (100.5 mm)

4. Specific Instructions for Oil-Filled

A. Repair of Leaks: Leakage from the propeller hub will be indicated by the presence of red oil on the
propeller, windshield, cowl, spinner, etc. Repairs require disassembly of the propeller and must be
accomplished by an FAA approved propeller repair station or international equivalent.
B. Internal Oil Leak: In the event of internal O-ring leakage between propeller oil and engine oil (from the
propeller governor), no problem should be encountered. Engine oil and propeller oil are compatible;
any mixing of the two will have no harmful effects. In the worst condition (very unlikely), the increased
oil pressure in the hub could result in sluggish response to propeller pitch change. Internal oil leaks
require repair by an FAA approved propeller repair station or international equivalent.
C. Propeller Balance: Centrifugal force acting on the rotating propeller will evenly distribute oil and not
cause an unbalanced condition. However, during start up in extreme cold, congealed oil could cause
momentary roughness. Also, oil must be drained if propeller is to be static balanced vertically (on a
knife-edge). Horizontal balance (suspension) does not usually require draining of oil.

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PROPELLER DISASSEMBLY

WARNING: All disassembly, overhaul, testing, repair, and reassembly procedures

on a McCauley propeller must be done in an FAA-Approved propeller
repair station by qualified personnel.
1. Parts Handling and Storage

CAUTION: Protect the propeller assembly from damage when removed from the
engine and when in storage.
CAUTION: Protect all partially disassembled or reassembled components from
damage and contamination which will be left unattended for any length
of time.
A. Prevent dirt or other foreign particles from getting into components which will not be disassembled.

NOTE: Item Numbers in parenthesis refers to the figures, Figure 1001, Figure 1002, or Figure
1003 unless specifically noted otherwise.
B. Be especially careful not to mar any of the highly machined areas of the propeller parts.
C. Refer to the Standard Practices Manual for special tools that are required for propeller disassembly.

NOTE: Visually inspect the propeller before beginning the disassembly.

NOTE: Refer to the aircraft manufacturers' manual for instructions on removing the propeller
assembly from the aircraft engine.

2. Decals
A. Decal Removal

NOTE: Remove all decals to allow for a thorough inspection of parts.

(1) Refer to the Standard Practices Manual, Cleaning for material and procedures.

3. Bulkhead and Slip Ring Disassembly

A. Disassemble Bulkhead and Slip Ring.
(1) Make index marks on the bulkhead and spinner with a permanent marker to make sure the parts
will be reassembled correctly.
(2) Remove screws (205), washers (206), and spinner fillets (204) if still attached to the bulkhead.
(3) Remove the wire harness (272) at the deice boot lead bracket (6).
(4) Discard all insulator spacers (275), screws (273), washers (274), and nuts (276).
(5) Remove the brackets from the blade shanks and store.
(6) Remove slip ring/hub attachment screws (284) and washers (285) and remove the slip ring/
bulkhead assembly from the hub.
(7) Remove the wire harness clamps (279) from the bulkhead.
(8) Remove the wire harness (272) from the slip ring (280) and discard.
(9) Remove screws (286) and washers (287) and remove the slip ring from the bulkhead.
(10) Store the bulkhead and slip ring for later inspection.

4. Mount the Propeller on an Assembly Stand

A. Attach the assembly adapter to the propeller, and mount the propeller on the assembly tool and
assembly stand.

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B. Apply blade wrap to cover at least six inches (152 mm) of each blade outward from the end of the
counterweight or install a protector sack.

5. External Blade Parts Removal

A. Remove External Blade Parts.
(1) Remove and discard all balance weight screws (8).
(2) Remove balance weights (3) from each blade and store.
(3) Remove and store all balance weight holders (4).
(4) Remove and store all balance weight holder gaskets (5).
(5) Remove counterweight (9) and discard the attaching bolt (14) and washer (15) if installed.
(6) Remove and discard all counterweight weight bolts (13) and washers (12) and store weights (10
or 11).

6. Deice Boots Removal

A. Deice Boots Removal
(1) Refer to the Blade Overhaul Manual for procedures.

7. Feathering Spring Removal

A. Feathering Spring Removal

WARNING: The compressed feathering spring is potentially dangerous.

Use caution while using the disassembly fixture.
(1) Remove the lockwire from four spring housing attachment screws (17). Do not remove the
screws.
(2) Remove two screws (32) and washers (33, 34) located in each cylinder and install the E-5011
assembly fixture by inserting two fixture screws into the same holes in the front of the cylinder.
(3) Torque two fixture screws 80 to 100 inch-pounds (9 to 11 N-m).
(4) Tighten the assembly fixture until it bottoms against the feathering spring housing (18).
(5) Remove and discard the housing attachment screws (17).
(6) Loosen the spring compressor until the feathering spring (19) is fully decompressed.
(7) Remove the assembly fixture and remove the feathering spring (19) and feathering spring
housing (18).
(8) Remove the plastic hole plugs (16).
(9) Do the steps that follow if the blades are in the start lock position after the feathering spring is
removed.
(a) Turn the blades by hand toward reverse pitch to release the tension on the start latch and
start lock weights.
(b) Insert the B-5021 start lock release tools through the four holes in the start latch lock (27).
(The holes from which the plastic hole plugs (16) were removed.)
(c) Use the start lock release tools to force the start lock weights (39) outboard.
(d) Turn the blades by hand to the feather position, and remove the start lock release tools.

8. Subassemblies Removal
A. Remove Subassemblies.
(1) Remove the lockwire from the cylinder attachment screws (23).
(2) Remove and discard the attachment screws (23).
(3) Remove the cylinder assembly, and set aside for later disassembly and inspection.
(4) Remove the grease shield (22), spring guide (20), and thrust bearing assembly (21), and set
aside for later inspection.
(5) Rotate the blades toward reverse pitch.
(6) Remove and discard the piston index plate screws (40).
(7) Remove the index plate (41), and slide the piston toward the propeller hub.

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CAUTION: The halves of the split retainer (42) are manufactured as a matched
pair. Tape the halves together and use permanent black ink to
identify each pair so they can not be mismatched during assembly.
(8) Remove the halves of the split retainers (42) from the piston rod, and use nonmetallic tape to
keep them together as a set for assembly.
(9) Insert the B-5074 assembling bridge on the piston rod assembly. This will prevent the O-ring
inside the piston assembly from catching in the groove.
(10) Slide the piston assembly (35) off of the piston rod assembly (62), and set the piston assembly
aside for later disassembly.
(11) Turn the propeller until one of the oil fill plug screws (101) is at the bottom center position.
(12) Place a drain pan under the propeller.
(13) Remove and discard the top oil fill plug screw (101) and washer seal (102) to allow air to enter
the hub cavity.
(14) Remove and discard the bottom oil fill plug screw (101) and washer seal (102) to drain the oil
from the hub.
(15) Remove and discard four support plate attachment screws (46).
(16) Slide the support plate and bushing assembly (47) off of the rod assembly (62) and set the
support plate and bushing assembly aside for later disassembly.
(17) Remove the support plate to hub O-ring seal (57) and discard.
(18) Remove the assembly bridge from the piston rod.
(19) Remove and discard the nuts (70), washers (68), and bolts (67) to disconnect the links from the
piston rod assembly.
(20) Remove the piston rod pins (69) to disconnect the links (64) from the piston rods, and set aside
for later inspection.
(21) Remove the piston rod assembly (62) from the hub.
(22) Remove the O-ring (61) from inside the aft end of the piston rod and discard.

NOTE: Do not disassemble the piston rod assembly (62).

(23) Remove and discard the retaining ring (71) and washer (72) from each actuating pin assembly
with external retaining ring pliers.
(24) Remove the link assemblies (64) from the actuating pin assemblies and set aside for later
disassembly.

9. Blade Removal and Disassembly

A. Disassemble Blade
(1) Remove and discard actuating pin screws (73 and 74).
(2) Remove actuating pin assembly (75) and set aside for later disassembly.
(3) Turn the propeller so the Number 1 blade is in the down position.

NOTE: Keep blade wrap on each blade at least six inches (152 mm) from the end of each
counterweight during disassembly and handling.

(4) Use a retaining ring pliers to release the blade butt retaining ring (90) from its groove in the blade
butt.
(5) Carefully slide the retaining ring down along the blade butt and install into the counterweight
groove.
(6) Carefully work the shim carrier (86) and shim pack (87 and 88) down along the blade butt until
the parts rest on top of the retaining ring.
(7) Raise the blade into the hub until the shim carrier contacts the face of the hub.

NOTE: If the inner bearing race (83) sticks to the retainer halves, gently tap the race with a
plastic rod to loosen it.

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CAUTION: If the retainer halves resist removal, lightly tap the retainer halves
with a plastic rod to loosen.
CAUTION: Any attempt to force or pry out the split retainer ring will only wedge
the ring more tightly and cause damage.
(8) Hold the blade up into the hub, grasp half of the blade split retainer (82) at the center of the arc,
and rotate the retainer half upward.

NOTE: Use a strong magnet with a rounded end to help lift the retainer half from the blade
socket.

(9) Work the retainer half up and over the end of the blade butt, and remove it through the hub
opening.
(10) Rotate the other retainer toward the opening in the hub.
(11) Work the retainer half up and over the end of the blade butt and remove it through the hub
opening.
(12) Lower the Number 1 blade assembly out of the hub and set aside for later inspection.
(13) Install a temporary clamp that is made from tongue depressors and rubber bands to prevent the
bearing races from moving. (Refer to Figure 301).
(14) Remove and discard the blade O-ring (91).
(15) Remove the shim carrier (86), shim pack (87 and 88), wire ring (89) and blade retaining ring (90)
from the blade butt.

NOTE: When reassembling the blade, use the same shims or new shim of the same thickness
to minimize assembly time. However, reshimming may be required to limit blade
shake.

(16) Record the thickness of each shim in a given pack on a tag that is attached to the shim carrier.

NOTE: This tag should also include: shim pack thickness, hub serial number, hub socket
number, and blade serial number.

(17) Store the shim carrier and shim pack.

(18) Remove and discard the blade plug retaining ring (78) from the blade balance hole.
(19) Thread a long bolt (1/4-28 UNF thread) into the blade plug (79) and pull on the bolt to remove
the plug.
(20) Remove and discard plug/blade O-ring (80).
(21) Set the plug aside for later inspection.
(22) Turn the propeller so the next blade points down and repeat the blade removal procedure.

10. Hub Disassembly

A. Disassemble Hub

CAUTION: Do not use a metal tool in an effort to pry loose the outer race of the
blade retention bearing.
CAUTION: Stuff shop cloths into the hub to keep the outer races from damaging
the hub when they fall out of their sockets.
(1) Remove the temporary clamp used to hold the blade inner race against the outer race.
(2) Remove the blade inner race (83) through the slots in the front of the hub and identify the inner
race with a non metallic marker with the hub socket number.
(3) Remove and store all bearing balls (84) for later inspection and tag with the hub socket number.
(4) Remove and discard all of the ball separators (85).

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Clamp Bearing Races

Figure 301 (Sheet 1)

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(5) With a soft wedge-shaped tool, fabricated from nylon or another soft plastic material, tap lightly
around the perimeter to loosen and remove the outer bearing race (83) from the hub socket.
(6) Tape the outer race to the matching inner race and identify with permanent black ink and store
together. Bearing races are marked with special serial numbers in case the races become
separated.
(7) Remove the remaining bearing races.

11. Hub Mounting Stud Removal

A. Remove the hub from the assembly stand.
B. Refer to the Standard Practices Manual for procedures.

12. Cylinder Locating Pin Removal

A. Refer to the Standard Practices Manual for procedures.

13. Hub Rear Bushing Removal

A. Refer to the Standard Practices Manual for procedures.

14. Cylinder Disassembly

A. Disassemble Cylinder
(1) Remove and discard the start lock latch attachment screws (26).
(2) Remove start lock latch (27) and start lock shims (28).
(a) Use nonmetallic tape to store the shims together until reassembly.
(3) Remove and retain the reverse stop screws (29).
(4) Remove and retain the reverse stop shim (30).
(5) Remove and retain the reverse stop spacer (31).

15. Link Disassembly

A. Disassemble Link

CAUTION: The link will be bent and damaged beyond use if not adequately
supported around the bearing holes during bearing removal.
(1) Support the area around each link bearing hole to prevent damage to the link during bearing
removal.
(2) Use an arbor press and rod with a maximum outside diameter (OD) of 0.4375 inch (11.11 mm)
to press out all piston rod pin bearings (66).
(3) Use an arbor press and rod with a maximum outside diameter (OD) of 0.530 inch (14.35 mm)
to press out all actuating pin bearings (65).

16. Piston Disassembly

A. Disassemble Piston
(1) Remove and discard the back up ring (44).
(2) Remove and discard the piston/cylinder O-ring (45) and piston rod/piston O-ring (43).
(3) Remove and discard the four start lock weight retaining screws (37).
(4) Remove the start lock weights (39) from the groove of the piston (36).
(5) Remove and discard the start lock spring assemblies (38).

17. Support Plate and Bushing Disassembly

A. Disassemble Support Plate and Bushing
(1) Remove the feather stop bolts (49), spacer (51), and shim(s) (50) from the support plate.
(2) Remove and discard the bushing/support plate retaining ring (56).

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CAUTION: The support plate will be bent and damaged beyond use if not
adequately supported around the bushing hole during bushing
removal.
(3) Support the area around the bushing hole and press the bushing (53) out.
(a) Discard bushing (53).
(4) Remove and discard the front support to bushing O-ring (54).
(5) Remove and discard the support plate to cylinder O-ring (55).

18. Actuating Pin Disassembly

A. Remove and discard locating pin (77) from actuating pin assembly (75), retain actuating pin (76).

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CLEANING

1. Cleaning
A. Refer to the SPM100 Standard Practices Manual, Section 60-00-01, Cleaning Procedures; Section
60-00-02, Inspection Criteria; Section 61-11-02, Hub Inspection and the BOM100 Blade Overhaul
Manual, Section 61-10-22, Special Instructions and Section 61-10-02, Inspection Procedures.

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INSPECTION/CHECK

1. Penetrant Inspection
A. Refer to the SPM100 Standard Practices Manual, Section 60-00-03.

2. Detailed Part Inspection

A. Visually inspect all retained parts for damage or defects. Retained parts not listed in Table 502 must be
visually inspected for defects or damage and discarded if damage is found. More detailed inspection
and rejection requirements for some components are defined in Table 502. Check all threads for
rough edges and irregularities.
B. Check that the surface finish (anodizing or plating) is not broken, chipped, or peeling (if peeled, look
for corrosion). Staining and slight surface markings are normal and not alone cause for rejection or
replacement. Replate as specified in Table 502 and the SPM100 Standard Practices Manual, Section
60-00-04 Protective Treatments.
C. Inspect all steel parts by magnetic particle process, all aluminum alloy parts by penetrant methods, as
specified in the SPM100 Standard Practices Manual, Section 60-00-03, Non-Destructive Inspection.
D. Measure bores and diameters to within the limits shown in Table 501.

NOTE: Unless otherwise specified all Item Numbers refer to Figure 1001.

Table 501. Part Minimum/Maximum Diameters

Item McCauley Part

Description Allowable Dimension Limit
Number Number
D-6174 Cylinder Inside Diameter 5.171 inches (131.34 mm)
25
maximum.
D-6177 Piston Outside major (piston land closest to the installed
36 support plate assembly) diameter 5.153 inch
(130.87 mm) minimum.
D-5170, D-7405 Piston Rod Inside diameter (8 holes) 0.3748 inch (9.52 mm)
62
Assembly maximum.
68 B-4767 Piston Rod Pin Outside diameter 0.3720 inch (9.45 mm) minimum
C-7330 Actuating Pin Outside diameter 0.4350 inch (11.05 mm)
76
minimum
280 D-40354 Slip Ring Assembly Minimum thickness Refer to the Deice Manual

NOTE 1: Refer to Figure 501 for additional requirements.

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NOTE: D-5170 illustrated, check the D-7405 at corresponding locations.

Figure 501
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E. Inspect parts per Table 502 and the Standard Practices Manual, Section 60-00-02 Inspection Criteria.

NOTE: All Item Numbers refer to the Figure 1001.

Table 502. Inspection Criteria

Item Description Inspection Method Acceptable Defects

Num-
ber
2 Spacer, Stud Visual and Magnetic Minor defects are permitted except
on the mating surfaces. Replate in
accordance with the Standard Practices
Manual, Section 60-00-04 Protective
Treatments.
3 Weight, Balance (stainless Visual Minor defects are permitted except
steel) on the mating surfaces. Check for
distortion.
3 Weight, Balance (aluminum) Visual Minor defects are permitted except
on the mating surfaces. Check for
distortion.
4 Balance Weight Holder Visual No defects are permitted.
6 Bracket, De-Ice Mounting Visual No defects are permitted
9 Counterweight Visual and Magnetic Minor defects are permitted except
on the mating surfaces. Replate in
accordance with the SPM100 Standard
Practices Manual, Section 60-00-04
Protective Treatments.
10 Weight, Counterweight (lead) Visual Check for distortion. Minor defects are
permitted except on the mating surfaces.
11 Weight, Counterweight (steel) Visual Check for distortion. Minor defects are
permitted except on the mating surfaces.
Replate in accordance with the SPM100
Standard Practices Manual, Section
60-00-04 Protective Treatments.
15 Washer, Counterweight Visual Inspect in accordance with the SPM100
Standard Practices Manual, Section
60-00-02 Inspection Criteria.
18 Feathering Spring Housing Visual and Magnetic Slight wear is permitted inside the spring
housing from contact with the feathering
spring. Check for deformation of the
flange.
19 Feathering Spring Visual and Magnetic Slight wear is permitted on the outside
diameter of the spring from contact
with the spring housing. Replate in
accordance with the SPM100 Standard
Practices Manual, Section 60-00-04
Protective Treatments. Check the spring
load per Table 503. If spring rate test is
not done or the spring fails the test, the
spring must be replaced.

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Table 502. Inspection Criteria (continued)

Item Description Inspection Method Acceptable Defects
Num-
ber
20 Spring Guide Visual No defects are permitted.
21 Thrust Bearing Assembly Visual No defects are permitted.
22 Grease Shield Visual Damage from contact with the feathering
spring is permitted up to 50% of the wall
thickness.
25 Cylinder Visual and Magnetic Very light polishing is permitted.
Examine the inside diameter for
scratches and spiral marks and measure
in accordance with table 501. Rework
if scratches and scoring are excessive.
Replate in accordance with the SPM100
Standard Practices Manual, Section
60-00-04 Protective Treatments.
27 Start Lock Latch Visual and Magnetic No defects are permitted. If necessary
replate in accordance with the Repair
and Replacement section, and the
SPM100 Standard Practices Manual,
Section 60-00-04 Protective Treatments.
28 Start Lock Shim Visual No defects are permitted.
29 Screw, reverse stop Visual No defects are permitted.
30 Reverse Stop Shim Visual No defects are permitted.
31 Reverse Stop Spacer Visual No defects are permitted.
36 Piston Visual and Dye Outside diameter should be smooth
Penetrant and without scratches. Locally polish
any scratches caused by contact with
the cylinder inside diameter. Check
dimensions in accordance with Table
501.
39 Start lock weights Visual and Magnetic No defects are permitted. Check for
flatness and wear from the start lock
latch stop. Replate if necessary in
accordance with the SPM100 Standard
Practices Manual, Section 60-00-04
Protective Treatment.
41 Index Plate Visual No defects are permitted.
42 Split retainer (matched halves) Visual and Magnetic No defects are permitted. No wear or
deformation is permitted.
48 Support plate Visual and Dye No defects are permitted.
Penetrant
50 Feather Stop Shim Visual No defects are permitted.
51 Feather Stop Spacer Visual No defects are permitted.
58 Screw, lock Visual No defects are permitted.
59 Plug assembly, lock Visual No defects are permitted.

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Table 502. Inspection Criteria (continued)

Item Description Inspection Method Acceptable Defects
Num-
ber
60 Pin, lock Visual No defects are permitted.
62 Piston rod assembly Visual No defects are permitted. Check
dimensions are within the tolerances
of Table 501. Replate if necessary in
accordance with the procedures in the
SPM100 Standard Practices Manual ,
Section 60-00-04 Protective Treatment.
64 Blade actuating link Visual and Magnetic No defects are permitted.
69 Piston rod pin Visual and Magnetic No defects are permitted.

WARNING: Do not replate

piston rod pin.
Examine plating for breaks. Light
polishing is permitted. Measure the
outside diameter per Table 501. Check
for out of round condition. Examine for
areas of concentrated wear.
76 Actuating pin Visual and Magnetic
WARNING: Do not replate
the actuating pin
assembly.
Use a surface table, V-block and dial
indicator to check the straightness of the
pin (0.001 inch maximum total indicator
reading). Measure the outside diameter
per table 501. The pins must have a
smooth, glossy finish in the area that
contacts the actuating links. A dull or
rough surface finish in this area can
cause increased wear, elongating holes
in the bushing of the link. Pins with a dull
or rough finish may be polished with a
crocus cloth. If a smooth glossy surface
cannot be obtained, the blade actuating
pin must be replaced.
79 Blade Plug Visual No defects are permitted.
81 Blade Visual and Dye Inspect the propeller blades in
Penetrant accordance with the procedures in the
BOM100 Blade Overhaul Manual.
82 Split retainer (matched halves) Visual and Magnetic No defects are permitted.
83 Bearing race (matched pair) Visual and Magnetic No defects are permitted.

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Table 502. Inspection Criteria (continued)

Item Description Inspection Method Acceptable Defects
Num-
ber
84 Ball Bearings Visual Examine for any signs of discoloration,
brinelling, corrosion or scuffing with
depth indications. Also check for an
out of round condition. No defects are
permitted.
86 Shim carrier Visual No defects are permitted.
87 Split Shim Visual No defects are permitted.
88 Solid Shim Visual No defects are permitted.
89 Wire Ring Visual No defects are permitted.
90 Retaining ring, blade Visual and Magnetic No defects are permitted. Inspect in
accordance with SPM100 Standard
Practices Manual, Section 60-00-02
Inspection Criteria. Replate if necessary
in accordance with the Standard
Practices Manual, Section 60-00-04
Protective Treatment.
93 Hub Visual and Dye Refer to the SPM100 Standard
Penetrant Practices Manual, Section 61-11-02,
Hub Inspection.
200 Spinner shell Visual (check for Check for wear from the spinner support.
wear from the spinner Slight wear is permitted. No cracks are
support) permitted.
201 Bulkhead Assembly Visual No defects are permitted.
203 Washer - bulkhead to slip ring Visual No defects are permitted.
(aluminum)
204 Fillet assembly Visual No defects are permitted.
205 Screw - Shell to bulkhead Visual No defects are permitted.
206 Washer - shell to bulkhead Visual No defects are permitted.
207 Spinner support Visual Slight wear is permitted.
208 Spinner support shim Visual Slight wear is permitted.
209 Washer - Dynamic balance Visual No defects are permitted.
210 Screw - Dynamic balance Visual No defects are permitted.
211 Nut - Dynamic balance Visual No defect is permitted. If nut can be
threaded past self locking feature by
hand replacement is mandatory.
213 Balance Weight - Synch pickup Visual No defects are permitted.
counter balance
214 Target - Synch Visual No defects are permitted.
215 Bolt - Synch target mounting Visual No defects are permitted.

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Table 502. Inspection Criteria (continued)

Item Description Inspection Method Acceptable Defects
Num-
ber
216 Nut - Synch target mounting Visual No defect is permitted. If nut can be
threaded past self locking feature by
hand replacement is mandatory.
217 Washer - synch target Visual No defects are permitted.
mounting
252 Brush Block Visual Inspect in accordance with the 830415
Electrothermal De-Ice Systems Manual.
253 Brush and holder assembly Visual Inspect in accordance with the 830415
Electrothermal De-Ice Systems Manual.
254 Brush and holder assembly Visual Inspect in accordance with the 830415
Electrothermal De-Ice Systems Manual.
255 Screw - brush and holder Visual No defects are permitted.
assembly
256 Spacers - brush block Visual No defects are permitted.
mounting
257 Washer - brush block to Visual No defects are permitted.
bracket
258 Washer - brush block to Visual No defects are permitted.
bracket
259 Screw - brush block to bracket Visual No defects are permitted.
260 Bracket - brush block mounting Visual No defects are permitted.
262 Screw - terminal strip Visual No defects are permitted.
263 Nut - terminal strip Visual No defects are permitted.
264 Terminal strip Visual No defects are permitted.
265 Washer - terminal Visual No defects are permitted.
266 Nut - terminal Visual No defects are permitted.
267 Nut - terminal Visual No defects are permitted.
272 Wiring Harness Visual Inspect in accordance with the 830415
Electrothermal De-Ice Systems Manual.
282 Slip ring assembly Visual Inspect in accordance with the 830415
Electrothermal De-Ice Systems Manual.

3. Feathering Spring - Spring Rate Test

A. Test springs to provide performance listed in Table 503.

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Table 503. Spring Loads

Approximate Solid Height

Index
Free Length Maximum Load at compressed length Load at compressed length
Number
Inches (mm) Inches (mm)
C-5328 12.625 5.700 (144.78 807 to 938 pounds at 3590 to 4172 N at 226.06 mm
(320.67 mm) mm) 8.900 inches
1562 to 1797 pounds at 6948 to 7994 N at 147.32 mm
5.800 inches

NOTE 1: If the springs are not load tested, they must be replaced.

4. Preparing and Activating a Propeller Assembly for Long-Term Storage

A. Refer to the MPC26, Owner/Operator Information Manual.

5. Spinner Dimension Checks

A. Spinner Identification (Refer to Figure 502).
(1) The dimensions provided in Figure 502 and Table 503 are for reference to assist personnel to
identify spinners.

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C540

E−7154

E−5369, E−6083, E−6327

0101T1083

Spinner Identification
Figure 502 (Sheet 1)

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Table 504. Spinner Identification

Spinner Shell Diameter Standoff (Shell Edge to Shell Length (Inside)

Assembly Mounting Flange)
D-7154 16.2 inches (411 mm) 4.0 inches (102 mm) 16.4 inches (417 mm)
E-6327 19.4 inches (492 mm) -0.44 inches (-11 mm) 20.8 inches (528 mm)
E-5369 21.9 inches (556 mm) -1.0 inches (-25 mm) 19.4 inches (493 mm)
E-6083 18.3 inches (465 mm) -0.32 inches (-8 mm) 20.8 inches (528 mm)

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REPAIR AND REPLACEMENT

1. Repair
A. Refer to the Standard Practices Manual, Section 61-11-24 for Hub Repairs and the Blade Overhaul
Manual, Section 61-10-24 Repairs and Replacement.
B. Perform repairs as specified in the Inspection/Check section Table 502.

2. Refinishing
A. Refinish parts as specified in the Standard Practices Manual, Section 60-00-04 Protective Treatments.

3. Replacement
A. Replace all parts for which repair would affect operation or serviceability. Replace all parts listed in
Table 603 at each overhaul.
B. Replace all parts that have cracks.
C. Replace chrome-plated parts on which the plating is broken, chipped, or peeled to expose the base
metal.
D. Replace cadmium-plated parts on which cleaning and repair has exposed the base metal, if replating
is not possible.
E. Replace ball races that have extensive brinelling or other defects not readily repaired without affecting
serviceability.
F. Replace parts that have dimensions outside the limits given in the Inspection/Check section Table
502.

4. Change Letter Marking

A. Change Letter Stamping
(1) Propeller change letter stamping is required after a propeller is assembled.
(2) Change letter requirements must be reviewed prior to assembly. Stamping requirements may
be affected by part usage which may be internal and would not be visible after assembly.
(3) Change letters may indicate minor engineering changes which do not affect the field. These
changes will be identified as "Not Applicable to Field" in the description and do not require
stamping on hub.
(4) Changes may be listed as mandatory. These changes must be accomplished at the compliance
time listed.
(5) Changes which are not mandatory are to be accomplished as needed and appropriate change
letter stamped at that time.
(6) Change letters do not affect the eligibility or interchangeability of propellers.
(7) Review the following change letter stamping requirements and the Master Parts List prior to
stamping change letter.
(8) Refer to the Section 61-11-26 Hub Reassembly, in the SPM100 for the correct hub stamping
procedure.

C652 A Was not used

C652 B At manufacture date
C652 C B-4972 support plate bushing replaced by B-5986 Yes Next overhaul
support plate bushing and A-1636-38 retaining ring or major
NOTE: support plate must be machined per REPAIR disassembly
section

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C652 E D-5852 hub assembly (E-5851 hub) replaced by D-6153 Yes Next overhaul
hub assembly (E-6152 hub); C-5270 bearing race or major
replaced by C-6148; B-5223 spacers replaced by disassembly
B-6149; A-1634-9 ball bearings replaced by A-1634-10;
C-5332 support plate assembly replaced by C-6187;
C-5333 support plate and bushing assembly replaced
by C-6188; D-5385 support plate replaced by D-6173;
C-5337 piston assembly (C-5172 piston) replaced
by C-6179 piston assembly (D-6177 piston); C-5339
cylinder assmbly (D-5169 cylinder) replaced by C-6186
cylinder assembly (D-6174 cylinder); A-1635-142
cylinder attaching screw quantity changed from 12 to 14
C652 F B-5387 actuating pin assembly (C-5318 actuating pin) Yes Next overhaul
replaced by B-5387-1 actuating pin assembly (C-6418 or major
actuating pin) (NOTE: B-5387-1 must be replaced by disassembly
B-5387-2 per change letter "J"); A-1635-144 actuating
pin screw replaced by A-1635-180; A-1638-36 washer
replaced by A-1638-45; A-1636-9 retaining ring replaced
by A-1636-39; B-4743 link assembly (B-4742 link)
replaced by B-6422 link assembly (B-6421 link); A-4564
link bushing replaced by B-6423
C652 G D-5012 spring housing replaced by C-7125 No
C652 H Remove B-4994-2 felt wiper No
C652 H B-5162 reverse stop screw replaced by B-7280 No
C652 J B-5387-1 actuating pin assembly (C-6418 actuating pin) Yes Next overhaul
replaced by B-5387-2 actuating pin assembly (C-7330 or major
actuating pin) disassembly
C652 K Teflon sleeve insert on hub socket No
C653 A-D Was not used
C653 E At manufacture date
C653 F B-5387 actuating pin assembly (C-5318 actuating pin) Yes Next overhaul
replaced by B-5387-1 actuating pin assembly (C-6418 or major
actuating pin) (NOTE: B-5387-1 must be replaced by disassembly
B-5387-2 per change letter "J"); A-1635-144 actuating
pin screw replaced by A-1635-180; A-1638-36 washer
replaced by A-1638-45; A-1636-9 retaining ring replaced
by A-1636-39; B-4743 link assembly (B-4742 link)
replaced by B-6422 link assembly (B-6421 link); A-4564
link bushing replaced by B-6423
C653 G D-5012 spring housing replaced by C-7125 No
C653 H Remove B-4994-2 felt wiper No
C653 H B-5162 reverse stop screw replaced by B-7280 No
C653 J B-5387-1 actuating pin assembly (C-6418 actuating pin) Yes Next overhaul
replaced by B-5387-2 actuating pin assembly (C-7330 or major
actuating pin) disassembly
C653 K Teflon sleeve insert on hub socket No
C653 L All four blades are stamped with change letter "A" Yes See SB 234B
C661 A D-5012 spring housing replaced by C-7125 No

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C661 B Remove B-4994-2 felt wiper No

C661 B B-5162 reverse stop screw replaced by B-7280 No
C661 C B-5387-1 actuating pin assembly (C-6418 actuating pin) Yes Next overhaul
replaced by B-5387-2 actuating pin assembly (C-7330 or major
actuating pin) disassembly
C661 D Teflon sleeve insert in hub socket No
C662 A-F Was not used
C662 G At manufacture date
C662 H B-5162 reverse stop screw replaced by B-7280 No
C662 J B-5387-1 actuating pin assembly (C-6418 actuating pin) Yes Next overhaul
replaced by B-5387-2 actuating pin assembly (C-7330 or major
actuating pin) disassembly
C662 K Teflon sleeve insert in hub socket No
C663 B-5162 reverse stop screw replaced by B-7280 No
C663 A B-5387-1 actuating pin assembly (C-6418 actuating pin) Yes Next overhaul
replaced by B-5387-2 actuating pin assembly (C-7330 or major
actuating pin) disassembly
C663 B Teflon sleeve insert in hub socket No
C663 C All four blades are stamped with change letter "A" No
C664 A Teflon sleeve insert in hub socket No
C665 None

5. Assemble Support Plate

A. Assembly of D-6187 Support Plate. (Refer to Figure 601).

NOTE: Bushing (53) must be replaced during overhaul.

(1) Coat the outer diameter of bushing (53), O-ring (54), and the inner diameter of the support plate
(48) with Orelube K-2.
(2) Insert O-ring (54) into the groove of the support plate (48).
(3) Press the bushing (53) into the support plate.
(4) Before proceeding, make sure the bushing is securely held in the support plate.
(a) Apply 700 pounds of force (3115 N) to the bushing as shown in Figure 601.
(b) Make sure there is 0.000 inch movement of the bushing.
(5) Install the snap ring (56).
(6) Machine the inner diameter of the bushing and the O-ring groove to the dimensions shown in
Figure 601.
(a) Make sure the diameter of the machined hole is concentric with the diameter of the support
plate bore diameter, and perpendicular to the face of the support plate within 0.001 inch
per inch.

6. Link Assembly Bearing Replacement

A. Replacement (Refer to Figure 602).
(1) Clean both the inner bores of the link (64) and the outer surfaces of the bearings (65, 66) with a
clean cloth.
(2) Apply Locquic Primer to the bearing outer diameters and the link inner diameters.
(3) Allow the primer to dry.

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C476

SUPPORT PLATE

0.020 TO 0.030 INCH

(0.5 TO 0.7 mm)
1.120 TO 1.122 INCH RADIUS
(28.45 TO 28.50 mm)
DIAMETER

0.240 INCH (6.10 mm)

0.877 TO 0.879 INCH
(22.28 TO 22.33 mm)
DIAMETER 0.180 INCH (4.57 mm)

SHIM

BOLT
SPACER

Support Plate Assembly

Figure 601 (Sheet 1)

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C76

30 DEGREES
PRESS FIT THE BEARING FLANGE
IN THE CHAMFERED SIDE OF THE HOLE.
CHAMFER
0.094 INCH, +0.010 OR −0.010 INCH
(2.4 mm, +0.25 OR −0.25 mm)

VIEW A−A

0.4370 INCH, +0.0005 OR −0.0005 INCH

(11.10 mm, +0.013 OR −0.013 mm)
DIAMETER THROUGH

A A

0.3760 INCH, +0.0005 OR −0.0005 INCH

(9.55 mm, +0.013 OR −0.013 mm)
DIAMETER THROUGH

B B

PRESS FIT BEARING FLUSH TO

BELOW THE SURFACE ON BOTH ENDS.

VIEW B−B

0101T1002

Link Bearing Installation

Figure 602 (Sheet 1)

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CAUTION: Make sure the tool you use to press in the bushing that has a flange
has a larger outer diameter than the outer diameter of the bushing.
A tool with a diameter that is too small will deform the bushing and
may cause a premature failure.
(4) Apply Loctite 290 to the outer diameter of the bearing and press the bearing into the chamfered
side of the link.
(5) Remove any excess Loctite material with a cloth dampened with solvent.
(6) Allow the Loctite to cure for a minimum of four hours.
(7) Ream the bearings as shown in Figure 602.
(a) Make sure the holes are parallel with each other and square to the non chamfered surface
within 0.001 inch in 2.000 inches (0.025 mm in 50.80 mm) length
(b) Make sure the bearings are centered within 0.005 inch (0.13 mm) wall thickness variation.

7. Actuating Pin Assembly

A. Install new locating pin (77) into the base of the actuating pin (76).
(1) Apply light machine oil on the locating pin (77) prior to assembly.
(2) With an arbor press or similar tool push the aligning pin into the actuating pin until there is 0.230
to 0.250 inch (5.84 to 6.35 mm) of the roll pin protruding from the actuating pin base surface.
(3) Measure the diameter of the installed locating pin.
(a) The installed pin shall have a diameter of 0.188 to 0.189 inch (4.77 to 4.80 mm).

8. Overhaul Replacement Parts

A. The items listed in the table that follows are mandatory replacement items during overhaul. Refer to
the Illustrated parts list for part numbers and quantities.

NOTE: Unless otherwise noted all Index Numbers are for Figure 1001.

Table 601. C650 Series Mandatory Replacement Parts List

Index
Number Description
1 Nut, Self Locking
5 Gasket, Balance weight holder
7 Screw, Deice bracket attaching
8 Screw, Balance Weight
12 Washer, Counterweight
13 Screw, Weight Attaching
14 Screw, Counterweight Attaching
16 Plastic Plug
17 Screw, Spring Housing Attachment
23 Screw, Cylinder Attaching
26 Screw, Start Lock Latch
32 Screw, Hole Plug
33 Washer
34 Washer
37 Screw, Weight Retaining

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Table 601. C650 Series Mandatory Replacement Parts List (continued)

Index
Number Description
38 Spring, Start Lock
40 Screw, Piston Index Plate
43 O-ring, Piston Rod to Piston
44 Ring, Back-Up
45 O-ring, Piston to Cylinder
46 Screw, Support Plate to Hub
49 Bolt, Feather Stop
52 O-ring, Support Plate Bushing to Piston Rod
53 Bushing, Support Plate
54 O-ring, Support Plate to Bushing
55 O-ring, Support Plate to Cylinder
56 Retaining Ring, Support Plate Bushing
57 O-ring, Support Plate to Hub
61 O-ring, Piston Rod to Beta Tube
65 Bushing, Actuating Pin
66 Bushing, Piston Rod Pin
67 Bolt, Link to Piston Rod
68 Washer, Link
70 Nut, Link
71 Retaining Ring, Actuating Pin
72 Washer, Actuating Pin
73 Screw, Actuating Pin (short)
74 Screw, Actuating Pin (long)
77 Locating Pin
78 Retaining Ring, Blade Plug
80 O-ring, Plug to Blade
85 Ball Separator
91 O-ring, Blade to Hub
94 O-ring, Hub Bushing to Piston Rod
95 Rear Hub Bushing
96 O-ring, Hub to Rear Bushing
97 Retaining Ring
98 Stud, Hub Mounting
99 Teflon Sleeve

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Table 601. C650 Series Mandatory Replacement Parts List (continued)

Index
Number Description
100 Cylinder Locating Pin
101 Screw, Oil Fill Plug
102 Seal Washer, Oil Fill
103 O-ring, Hub to Engine Flange
104 Deice Boot
105 Decal, Trademark
106 Decal, Use No Paddles
107 Decal, Propeller Installation
108 Decal, Cylinder
109 Decal, Propeller Part Number
202 Screw, Bulkhead to Slip Ring
212 Decal - Spinner Installation
268 Screw - Clamp to Bracket
269 Washer, Clamp to Bracket
270 Clamp - Harness
271 Nut
273 Screw, Boot and Harness Lead to Bracket
274 Washer - Leads to Bracket
275 Spacer - Insulator
276 Nut - Boot and Harness Leads
277 Tie Strap
278 Tie Strap
279 Clamp
280 Screw, Clamp to Bulkhead
281 Washer - clamp to Bulkhead
283 Washer - Phenolic (slip ring)
284 Washer - Slip Ring
285 Nut - Slip Ring
286 Screw - Slip Ring to Hub
287 Washer - Slip Ring to Hub

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ASSEMBLY

1. General Assembly Procedures

A. Preparations for Reassembly of the Propeller
(1) Refer to the Standard Practices Manual for special tools that are required for propeller assembly.
(2) Torque values are listed in Table 701.
B. Preliminary Component Assembly Procedures
(1) Install the hub mounting studs (98).
(2) Install the cylinder locating pins (100) in the hub.
(3) Install the rear hub bushing (95), O-ring (96), and retaining ring (97). Machine and load test.
(4) Install the support plate bushing (53) and retaining ring (56). Machine and load test. (Refer to
Figure 601).
(5) Install all blade actuating link bearings (65 and 66). Machine and load test.
C. Blade Preparation
(1) Make sure that the following has been accomplished:
(a) Paint the blades
(b) Deice boots installed
(c) Decals installed
(d) Balance individual blades.

NOTE: Item Numbers refer to Figure 1001.

Table 701. Torque Values

McCauley Torque Value

Item
Part Description Inch-pounds (unless N-m
Number
Number otherwise noted)
1 A-1639-32 Nut, self locking 68 to 72* foot-pounds 92.2 to 97.6*
7 A-1635-5 Screw, deice mounting 30 to 36 3.4 to 4.1
8 A-1635-X Screw, balance weight 30 to 36 3.4 to 4.1
14 A-1635-164 Screw, counterweight 100 to 105 foot-pounds 135.6 to 142.4
14 A-1635-165 Screw, counterweight 100 to 105 foot-pounds 135.6 to 142.4
17 A-1635-119 Screw, housing 72 to 84 8.1 to 9.5
attachment
23 A-1635-142 Screw, cylinder 72 to 84 8.1 to 9.5
attachment
26 A-1635-117 Screw, start lock 10 to 12 1.1 to 1.4
attachment
29 B-7280 Screw, reverse stop 22 to 25 foot pounds 29.8 to 33.9
32 A-5567 Screw 30 to 36 3.4 to 4.1
37 B-4773 Screw, weight retaining 12 to 18 1.4 to 2.0
40 A-1635-117 Screw, piston index plate 10 to 12 1.1 to 1.4
46 A-1635-141 Screw, support plate 12 to 15 1.4 to 1.7
attachment
49 A-5417 Feather stop bolt 30 to 36 3.4 to 4.1
58 B-4796 Lock Screw, beta tube 25 to 30 2.8 to 3.4

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Table 701. Torque Values (continued)

McCauley Torque Value
Item
Part Description Inch-pounds (unless N-m
Number
Number otherwise noted)
70 A-1639-4 Nut 30 to 36 3.4 to 4.1
73 A-1635-140 Screw, actuating pin, short 165 to 175 18.6 to 19.8
74 A-1635-180 Screw, actuating pin, long 285 to 300 32.2 to 33.9
101 A-1635-136 Screw, oil fill plug 30 to 36 3.4 to 4.1
202 A-1635-36 Screw, bulkhead slip ring 20 to 25 2.3 to 2.8
262 A-1635-146 Screw, terminal strip 8 to 10 0.9 to 1.1
attachment
264 A-1639-18 Nut, Terminal attachment 10 to 12 1.1 to 1.4
268 A-1635-14 Screw, clamp to bracket 10 to 12 1.1 to 1.4
276 A-1639-53 Nut, boot lead to bracket 12 to 15 0.9 to 1.1
280 A-1635-56 Screw, clamp to bulkhead 20 to 25 2.3 to 2.8
285 A-1639-19 Nut, slip ring assembly 8 to 10 0.9 to 1.1
286 A-1635-15 Screw, slip ring to hub 30 to 36 3.4 to 4.1
attachment

NOTE 1: * Indicates lubricated torque specification.

2. Hub Assembly
A. Assemble Hub.

NOTE: Refer to the testing and balancing procedures in the Testing and Balance section in this
manual as applicable during propeller assembly and installation.

(1) Do the hub assembly procedures per the Hub Assembly instructions in the Standard Practices
Manual.
(2) Install the O-ring (94) in the groove of the bushing (95).
(3) Loosely install the oil fill washer seals (102) and oil fill plug screws (101).

NOTE: Do not torque the oil fill plug screws until the hub lubricant has been added after the
final balance and test procedures have been accomplished.

3. Piston Assembly
A. Assemble Piston.

CAUTION: Excessive lubricant on the start locks and piston groove could
prevent the latch from operating properly. Apply only a light film of
lubricant to the start locks and piston groove.
(1) Apply a light film of MIL-PRF-23669 turbine oil to the start locks (38) and grooves in the piston
(36).
(2) Install the start locks in the grooves in the piston.
(3) Apply Loctite Gasket Sealant #2 to the threads of the threaded portion of each start lock retaining
screw (37).
(4) Install the screws in the piston to retain the start locks.

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(5) Torque the start lock retaining screws (37). (Refer to Table 701).
(6) Apply Sentry Seal F-1000 from the start lock retaining screws (37) to an adjacent part.

CAUTION: Install the back-up ring on the low pressure side, forward of the
piston to cylinder O-ring.
(7) Apply a light film of MIL-PRF-23669 turbine oil to the back-up ring (44), piston to cylinder O-ring
(56) and piston rod to piston O-ring (52).

WARNING: Do not install the start lock spring assemblies with the hook
ends toward the outside of the piston.
(8) Hook the start lock spring assemblies (28) into the opposing holes of the start locks with hook
ends to the inside of the piston.

4. Cylinder Assembly
A. Assemble Cylinder
(1) Install the start lock shims (28) and the start lock latch (27) onto the cylinder (25).
(2) Insert the start lock attachment screws (26).
(3) Torque the start lock screws (26). (Refer to Table 701).

5. Assemble Support Plate

A. Refer to the specific procedure in Repair and Replacement.

6. Blade Retention Bearing Assembly Installation

NOTE: Two alternate methods of installing blade retention bearings are provided.

CAUTION: Be extremely careful when you insert the bearing races into the hub.
Scratches or nicks from striking the hub will cause cracks to develop in
the hub.
A. Install Blade Retention Bearing Assembly Using Arbor Press. (Refer to Figure 701).
(1) Apply a light film of Orelube K-2 to the convex surface of the outer bearing race (83) of the
retention bearing.

NOTE: Each outer bearing race should have been taped to the matching inner bearing race
and the set identified so the set can be installed in the same blade socket from which
it was removed.

(2) Insert the number 1 outer race in it's corresponding socket.

(3) Use the D-6264-1 bearing race seating tool assembly to seat the C-6148 outer bearing race as
follows:
(a) Make sure the pressing tool convex surface is mated with the concave surface of the outer
race.
(4) Press the race into the hub.
(5) Use a 0.001-inch (0.0254 mm) feeler gage to probe between the seated outer race and the hub
all around the circumference.
(a) If the feeler gage cannot be inserted between the outer bearing race and the hub, the race
is properly seated.
(6) Repeat the procedure for the other three bearing races.
(7) Remove the race pressing tool and adapter.
(8) Install the hub on an assembly stand.
B. Install Blade Retention Bearing Assembly on an Assembly Stand. (Refer to Figure 702).
(1) Install the hub on an assembly stand.

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C391

Arbor Press Arm

Bearing Race
Pressing Tool
and Adapter
if required

Hub

Arbor Outer
Press Race Blade
Table Socket

0101T1092

Bearing Seating Tool with Arbor Press

Figure 701 (Sheet 1)

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C251

D−6264−2

OUTER RACE

D−6264−1

D-6264 Bearing Seating Tool

Figure 702 (Sheet 1)

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(2) Turn the hub until the Number 1 socket is in the down position.
(3) Apply a light film of Orelube K-2 to the convex surface of the outer bearing race (83) of the
retention bearing.

NOTE: Each outer bearing race should have been taped to the matching inner bearing race
and the set identified so the set can be installed in the same blade socket from which
it was removed.

CAUTION: Be extremely careful when you insert the bearing races into the hub.
Scratches or nicks from striking the hub will cause cracks to develop
in the hub.
(4) Insert the number 1 outer race.
(5) Use the D-6264-1 bearing race seating tool assembly to seat the C-6148 outer bearing race (83)
as follows:
(a) Insert the bearing race pressing tool, part number D-6264-1, into the hub.
(b) Position the pressing tool against the ball-race side of the outer race.
(c) Make sure the pressing tool convex surface is mated with the concave surface of the outer
race.
(d) Install the bearing race pressing tool, D-6264-2, in the outside of the hub socket and install
bolts and nuts as shown in Figure 702.
(e) Hold the center bolt head and tighten the nut to approximately 150 inch-pounds (16.9 N-m).
(f) Torque each of the outer nuts to 150 inch-pounds (16.9 N-m).
(g) Insert a rag into the hub to protect from damage by the pressing tool.
(h) Remove the outer pressing tools (do not remove the inner tool from the hub).
(i) Use a 0.001-inch (0.0254 mm) feeler gage to probe between the seated outer race and
the hub all around the circumference.
1 If the feeler gage cannot be inserted between the outer bearing race and the hub, the
race is properly seated.
(j) Seat the outer races in the remaining sockets, following the same procedure.
C. Ball and Spacer Installation (Refer to Figure 703).
(1) Apply a light film of Orelube K-2 to the ball surface of the outer bearing race.

CAUTION: Always install the correct number of balls and ball separators in
each blade retention bearing. Any alteration of number can cause
damage to the blade, hub, and/or internal parts.
(2) Install 29 ball bearings (84) and 29 ball separators (85) in the C-6148 outer bearing races.
(3) Place the matching inner race (83) in position against the ball bearings and spacers.
(4) Hold the reassembled bearings in place temporarily with a pair of wooden spatulas criss-crossed
inside the hub and fastened together with a strong rubber band to another pair of wooden
spatulas criss-crossed outside of the hub.
(5) Put the other blade sockets in the down position, and install the ball bearings, ball separators
and inner bearing races in each.
(6) Use wood spatulas and rubber bands to hold all reassembled bearings temporarily in place.

7. Blade Assembly
A. Make sure each blade has been balanced against one another. Refer to the Blade Overhaul Manual.
B. Blade Preparation
(1) Make sure that the following has been accomplished:
(a) Paint the blades
(b) Deice boots installed
(c) Decals installed
(d) Install actuating pins.
(e) Balance individual blades.

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Supporting Bearing Races

Figure 703 (Sheet 1)

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C. Assemble Blade
(1) Apply a light film of Orelube K-2 to the blade to plug O-ring (80).
(2) Apply a light film of Orelube K-2 to the surfaces of the blade plug (79) O-ring groove and install
the O-ring (80) on the blade plug.
(3) Install the blade plug and O-ring in the blade balance hole.

NOTE: Move the blade plug back and forth to expel air from the balance hole during the
insertion of the assembled plug.

(4) Install the blade plug retaining ring (78) in the blade groove.
(5) Turn the hub until the Number 1 socket is in the down position.
(6) Make sure the blade is protected with a blade sack or blade wrap out to the nine inch station.
(7) Place the following parts on the blade:
(a) Blade wire ring (89)
(b) Blade retaining ring (90)
(c) Solid shim (88)
(d) Split shim (87)
(e) Shim carrier (86)

NOTE: The shim carrier/shim pack that is identified for the specific blade should be
reused if possible.

(8) Clean the butt of the Number 1 blade with an approved cleaner.
(9) Allow the blade butt to dry.

8. Actuating Pin Installation

A. Install Actuating Pin
(1) Clean the butt of the blade and the base of the actuating pin assembly with a lint-free cloth damp
with methyl propyl ketone.
(2) Make sure the actuating pin attach holes in the blade butt are completely clean, dry, and free of
oil, lubricants, and any contamination.
(a) Make sure all existing patch residue is removed from the actuating pin attach screw holes.
Refer to the SPM100 Standard Practices Manual, Cleaning for cleaning procedures.
(3) Install one USED long screw, that has had all of the patch material removed, on each side of the
pin.
(a) Torque the used screws.
(4) Install new screws (74) into the remaining locations and torque. (Refer to Table 701).

NOTE: Anytime a "patched" screw is loosened from its torqued position, the screw must be
removed from service and a new "patched" screw installed.

(5) Remove the used screws.

(6) Make sure the actuating pin attach holes that the used screws were removed from are completely
clean, dry, and free of oil, lubricants, and any contamination.
(a) Make sure all existing patch residue is removed from the actuating pin attach screw holes.
Refer to the SPM100 Standard Practices Manual, Cleaning for cleaning procedures.
(7) Install the new screws (73) in the locations that had used screws and torque. (Refer to Table
701).

NOTE: Anytime a "patched" screw is loosened from its torqued position, the screw must be
removed from service and a new "patched" screw installed.

9. Blade Installation
A. Install Blade

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CAUTION: Hold the bearing parts in place while the blade butt is inserted into
the hub and moved for installation of the retainer ring halves.
(1) Position the hub with the appropriate socket down.
(2) Apply a thin film of Orelube K-2 to the O-ring (91) and install the O-ring in the groove of the blade
butt.
(3) Apply a thin coat of Orelube K-2 on the blade butt from the O-ring inboard, all shims, shim carrier,
and inside diameter of hub sockets.
(4) Wash both split retainer ring halves (82 - matched pair) in solvent and dry.
(5) Apply a thin film of Orelube K-2 to the split retainer halves.

NOTE: It is important that bearing parts (inner race, balls, spacers) be held in position while
the blade butt is inserted and moved for installation of retainer ring halves.

(6) With hub socket number 1 facing down, remove the spatulas from the number 1 socket.
(7) Insert the blade up through hub and bearing races so that the butt end is approximately 0.5 to
1.0 inch (12.7 to 25.4 mm) farther in the hub than the normal position.
(8) Hold the blade in this position, and install the split retainer (82) as follows:

CAUTION: Split retainer halves (82) are manufactured as matched sets and
must be installed as a matched pair (identifiable by serial numbers
etched on outside diameter).
(a) Insert one retainer-half through the front hub opening with the square (non-radiused) step
on the outer diameter facing down toward the blade tip (Refer to Figure 704).
(b) Position the retainer-half over the collar of the blade butt, so that its centerline coincides
with that of the butt.
(c) Grasp the retainer-half at its approximate center and move it out (away from the center)
allowing ends of the retainer-half to drop down (angle of approximately 45 degrees) toward
the blade recess below the collar.
(d) Move the retainer-half down, starting at the open ends into the blade recess. Continue
until retainer-half seats on the collar ledge in the recess.
(e) Slide retainer-half around the collar to the rear of the hub (opposite the cylinder opening).
(f) Install the second half in the same manner.
(g) Lower the blade, allowing the split retainer to engage the bearing inner race.

CAUTION: Be careful not to scratch the blade as you move the retaining ring
(90) to engage the groove in the butt. Retaining ring corners are
sharp. If blade shank is scratched by installation of the retaining
ring, the scratch must be polished out and blade shank refinished
(refer to the Blade Overhaul Manual). Scratches are focal points for
corrosion and for the start of fatigue cracks.
(9) Rotate the blade back and forth several time to confirm proper engagement.
(10) Install wire ring (87) into the retaining ring groove before sliding the shim carrier and shims
against the blade.
(11) Position the shim carrier (86) and shims (87, 88) against the surface of the hub socket.

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C252

SPLIT RETAINER HALF

SQUARE STEP

BLADE BUTT

O−RING
INNER BEARING RACE

BEARING BALL

HUB
OUTER BEARING RACE

BLADE WIRE RING

SHIM CARRIER
SPLIT SHIM
SOLID SHIM

BLADE RETAINING RING

BLADE TIP

Position of Parts for Installation of Split Retainer

Figure 704 (Sheet 1)

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CAUTION: Do not scratch the blade while moving the retaining ring into the
groove on the blade butt.
CAUTION: If the sharp corners of the retaining ring (90) scratch the blade shank
during installation then the scratch must be polished out and the
blade shank refinished.
(12) Using a snap ring pliers, carefully expand the retaining ring (90) and install it in the designated
groove in the blade butt.
(13) After the retaining ring is installed, make sure the ring is properly seated.
(a) Insert the blade of a straight screw driver into one of the snap ring holes, and tap lightly
until the other side of the snap ring starts to move around the blade.
(b) Insert the blade of a straight screw driver into the opposite snap ring hole, and tap lightly
until the other side of the snap ring starts to move around the blade.

CAUTION: When you insert the blades, make sure all of the blade faces are
forward. It may be impossible to rotate the last blade to the correct
position if it is installed incorrectly with the actuating pins (75)
installed.
(14) Put each blade socket in the down position and do the procedure again for all four blades.

10. Blade Torque Check

A. Check Blade Torque.

NOTE: This procedure is best done with a deflecting beam or a dial type torque wrench. A click
type torque wrench may not be used.

(1) Turn the propeller so that the Number 1 blade is in the down position.
(2) Install the blade torque adapter on the Number 1 blade at the 42-inch (1066.8 mm) station.
(3) Make sure the actuating pins do not strike one another as you carefully rotate each blade
approximately 180 degrees back and forth five times.
(4) Measure the amount of torque required to rotate each blade with a torque wrench and a standard
hex adapter.
(5) Use the formula that follows to compute the actual torque required to move the blade:

(actual torque required) x (torque wrench length) Torque Wrench Reading

= to Achieve the Required
(torque wrench length) + (length of the adapter) Actual Torque

CAUTION: Actual torque to rotate each blade must not exceed 60 inch-pounds
(6.7 N-m).
(6) Actual torque of 60 inch-pounds (6.7 N-m) or less is acceptable.

11. Blade Shake Check

NOTE: Blade shake is the natural tendency for a blade to wobble slightly when the tip is moved by hand.
Blade shake does not affect the structural strength of the blade and has no adverse affect on
propeller operation.
A. Refer to the Standard Practices Manual for Blade Shake Check procedure.
(1) A blade shake measurement up to 0.188 inch (4.76 mm) is acceptable.

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CAUTION: Only two anti-blade shake split shims up to 0.020 inch (0.51 mm) total
thickness are permitted per blade and only one solid shim is permitted
per propeller blade.
CAUTION: The bottom edge of the solid shim must always be below the top edge
of the shim carrier.
CAUTION: After changing a shim, make sure to check the blade torque again.
B. To reduce excessive blade shake, remove the blade retaining ring and install a thicker split shim.
C. Do this procedure for all four blades as necessary.

12. Link Assembly Installation

A. Install Link Assembly
(1) Turn the propeller so that the Number 1 blade is in the down position.
(2) Apply a light film of Orelube K-2 to the inside diameters of the bushings (65 and 66) in the link
assembly.
(3) Install the link assembly on the actuating pin (75) with the flange of the bushing away from the
blade butt.
(4) Install the washer (72) and external retaining ring (71) on the actuating pin.
(5) Do the link assembly installation for all four blades.

13. Piston Rod Assembly Installation

A. Install Piston Rod Assembly
(1) Turn the propeller so that the Number 1 blade is straight up.
(2) Apply a light film of Orelube K-2 to the inner piston rod to beta tube O-ring (61).
(3) Install the O-ring (59) in the designated groove inside the piston rod assembly (62).
(4) Apply a light film of MIL-PRF-23699 turbine oil to the aft end of the piston rod.

CAUTION: Looking at the front of the propeller with the number 1 blade straight
up, install the piston rod assembly with the index plate keyway at
the 1 o'clock position. Assembly in any other position will cause
misalignment of the start lock mechanism.
(5) Install the piston rod assembly (62) in the hub.
(6) Rotate the blade to move the link assembly (64) forward and to guide the forward end of the link
assembly into the slots of the piston rod boss.
(7) Put each blade in the straight up position and move each link assembly into the slots of the
piston rod (62) boss.
(8) Apply a light film of Orelube K-2 to the piston rod pins (69).
(9) Put each piston rod pin through the piston rod boss and link assembly bushing (66).
(10) Install the link to piston rod bolt (67) and washer (68) at each of the piston rod pins.
(11) Install the link assembly to piston rod nuts (70).
(12) Torque the link assembly to piston rod nuts (70). (Refer to Table 701).

NOTE: Rotate the blades in their socket to get clearance for the torque wrench. Be careful
not to strike the actuating pins.

14. Support Plate and Bushing Assembly Installation

A. Install Support Plate and Bushing Assembly.
(1) Turn the propeller so that the Number 1 blade is straight up.
(2) Apply a light film of Orelube K-2 to the hub to support plate O-ring (57) and install in the contoured
groove that faces the hub.
(3) Apply a light film of Orelube K-2 to the support plate to piston rod O-ring (52).

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CAUTION: The ring shaped piece of the assembling bridge must be used to
prevent shearing the support plate to piston rod O-ring during the
installation of the support plate and bushing assembly.
(4) Install the two-piece plastic assembling bridge on the piston rod assembly (62).

NOTE: Install the ring-shaped piece in the piston split ring retainer groove in the piston rod
and the pin-shaped piece in the piston rod oil port.

(5) Install the support plate and bushing assembly on the hub.
(6) Make sure that the hub to support O-ring (57) is in place.
(7) Align the support plate bushing assembly with the cylinder locating pins.
(8) Install four support plate attachment screws (46).
(9) Torque the support plate attachment screws. (Refer to Table 701).

15. Piston Assembly Installation

A. Install Piston Assembly.
(1) Turn the propeller so that the Number 1 blade is straight up.
(2) Turn the blades toward reverse pitch.
(3) Apply a light film of Orelube K-2 to the piston rod to piston O-ring (43) and install in the groove
in the piston assembly.
(4) Make sure that the two-piece plastic assembling bridge is still installed on the piston rod
assembly (62).
(5) Slide the piston assembly onto the piston rod assembly.
(6) Remove the assembly bridge (rod and pin).
(7) Hold the matched halves of the split retainer (42) in the piston rod groove and slide the piston
away from the hub until it stops against the split retainer.
(8) Slide the index plate (41) over the piston rod.
(9) Align the tongue on the inside diameter of the index plate with the lengthwise groove in the piston
rod.

CAUTION: The screw holes of the index plate and the piston must exactly
match, or the start lock latch will not align with the start lock weights.
(10) Rotate the piston assembly on the piston rod until the three screw holes in the piston align with
the three holes in the index plate.

NOTE: Alignment of the index plate can be checked making sure the start lock weights are
at the 12 o'clock and 6 o'clock positions with the number 1 blade in the top center
position.

(11) Install three piston index plate screws (40).

(12) Torque the index plate screws. (Refer to Table 701).

NOTE: Alternate the tightening sequence so the index plate will be secured uniformly.

16. Feather Angle Setting Procedures

A. Refer to Testing and Balance, Blade Feather Angle Adjustment and Blade Feather Angle Check.

17. Cylinder Installation

A. Install Cylinder
(1) Align the cylinder assembly (24) with the locating pins (100) and cylinder attachment screw holes
in the hub.
(2) Install cylinder attachment screws (23).

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(3) Torque the cylinder attachment screws. (Refer to Table 701).

NOTE: Do not install lockwire on the screws at this time.

18. Counterweight Installation

A. Install Counterweight.
(1) Turn the propeller so that the Number 1 blade is straight up.
(2) Apply Loctite Gasket Sealant #2 to the threads of the counterweight attachment screw (14), to
the counterbore face of the aluminum counterweight (9) and to the contact area face of the screw
head.
(a) For C661-01 and C661-0156 propeller assemblies, apply Loctite Gasket Sealant #2 to the
washer face of the screw head.

CAUTION: Install the washer (15) with the rounded inside edge of the
inside diameter next to the head of the attachment screw.
(3) Install the attachment screw to the Number 1 blade.
(4) Torque the attachment screw (14). (Refer to Table 701).
(5) Apply a stripe of Sentry Seal F-1000 from the attachment screw head to the counterweight.
(6) Do this procedure for all four blades.
(7) Attach the lead and steel counterweights (10 or 11) with weight screws (13) and washers (12)
as required.
(8) Torque the weight attaching screws (13). (Refer to Table 701).
(9) Do this procedure for all four blades.

19. Reverse Angle

A. Refer to Testing and Balance, Blade Reverse Angle Adjustment and Blade Reverse Angle Check.

20. Blade Track Check

A. Refer to the Standard Practices Manual, 60-00-07, Blade Track and Blade to Blade Balance for
procedures.
B. Limitations
(1) Make sure blade track is within 0.170 inch (4.31 mm). This does not include blade shake.

21. Final Static Balance

NOTE: The grease shield (22), thrust bearing assembly (21), spring guide (20), feathering spring (19),
and feathering spring housing (17) are not installed during the final balance.
A. Balance
(1) Refer to the Standard Practices Manual 60-00-07 Blade Track And Blade to Blade Balance,
Static Balance of Propeller Assembly.
(2) Refer to Table 702 to determine the correct part number screw required with a combination of
balance weights and weight holders.

Table 702. Balance Weight/Screw Part Number Requirements

NUMBER OF WEIGHTS INSTALLED SCREW REQUIRED

B-4629 A-4630 or A-4630-1
None None A1635-5
None or one None or one A1635-5
One one A1635-14

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Table 702. Balance Weight/Screw Part Number Requirements (continued)

NUMBER OF WEIGHTS INSTALLED SCREW REQUIRED
B-4629 A-4630 or A-4630-1
One two A1635-120
One three A1635-15
One four A1635-121
One five A1635-96
One six A1635-116
One seven A1635-54
One eight A1635-118

22. Cylinder Assembly Parts Installation

A. Installation
(1) Turn the propeller so that the Number 1 blade is straight up.
(2) Install the grease shield (22) with the small diameter hole toward the hub, and slide the shield
onto the piston rod assembly.
(3) Pack the thrust bearing assembly (21) with Aeroshell 5 grease in accordance with normal
practice. Make sure to apply lubricant to both sides of the thrust bearing washers.
(4) Install the thrust bearing (21) on the piston rod.
(5) Install the spring guide (20) onto the piston rod.
(6) Install the start lock latch (27) and start lock shims (28).
(7) Torque the start lock latch screws (26). (Refer to Table 701).
(8) Make sure the cylinder attach screws (23) are correctly torqued.
(9) Lockwire the cylinder attach screws (17). (Refer to Figure 705).

23. Feathering Spring Installation

A. Install Feathering Spring.

WARNING: The compressed feathering spring is potentially dangerous.

Use caution while using the disassembly fixture.
(1) Apply a light film of Aeroshell 5 grease to the feathering spring (19).
(2) Install the feathering spring on the piston rod assembly (62) with one end of the spring on the
thrust bearing (21).

NOTE: If the feathering spring has one end painted white, the white end must face the
feathering spring housing.

(3) Set the feathering spring housing (18) on the other end of the feathering spring.
(4) Install assembly fixture, part number E-5011, on forward end of cylinder.
(a) Torque the fixture screws 80 to 100 inch-pounds (9 to 11 N-m).
(b) Install two guide pins, part number B-5075, finger tight in two of the four spring housing
attachment holes in the front of the cylinder assembly.
(c) Align attachment holes of spring housing with the guide pins and tighten spring compressor
until the spring housing bottoms against the cylinder assembly.
(5) Remove the guide pins and install four screws (17).
(6) Torque screws to the value listed in Table 701.
(7) Remove the assembly fixture E-5011 and install two screws (32), two washers (33), two washers
(34), and torque (refer to Table 701).
(8) Lockwire screws to reverse stop screws with 0.025 inch (0.63 mm) diameter lockwire. (Refer to
Figure 705).

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(9) Install plastic plugs (16) into the start lock holes of the spring housing.

24. Hub Cavity Oil Fill and Final Assembly

A. Hub Cavity Oil Fill and Final Assembly (Refer to Figure 706).

NOTE: Do not service the hub cavity with oil before completing the balancing and testing
procedures.

(1) After the final balance and test procedures have been accomplished, remove the oil fill plug
screw (101) and seals (102).
(2) Install the hub oil filling adapter in one hole.
(3) Service the hub.
(a) Add 2.62 quarts (2480 ml) of approved dyed lubricant.
(4) Install the oil fill screw (101) and seals (102).
(5) Torque the oil fill screw. (Refer to Table 701) .
(6) Apply a stripe of Sentry Seal F-1000 from each oil fill screw head to the hub.

25. Deice Boot Installation

A. Refer to the McCauley Electrothermal De-ice System Manual 830415 for typicaldeice boot installation
procedures.
(1) Specific details and differences of boot installation are listed in this manual. (Refer to Figure
707).
(a) Dimension A for C652, C653, C663, C664, and C665 propellers is 0.625 inch, +0.125 or
-0.125 inch (15.9 mm, +3.2 or -3.2 mm).
(b) Dimension A for C661 propellers is 0.375 inch, +0.125 or -0.125 inch (9.5 mm, +3.2 or -3.2
mm).

26. Deice Boot Electrical Check

A. Check
(1) Check for acceptable electrical resistance between the ground lead (G) and the inboard lead (I).
(a) Make sure that the resistance of the deice boot heating element is per the following:

PART NUMBER RESISTANCE (Ohms)

B-40183-07 1.72 to 1.90
B-40183-55 1.007 to 1.008
B-40245-52 4.56 to 5.04
B-40245-56 4.56 to 5.04
(2) Check for intermittent open circuits by applying a light tension to the deice boot leads while
measuring resistance.
(3) Check for resistance fluctuation by pressing lightly on the entire deice boot heating element
surface and on the area adjacent to the leads.
(a) No resistance fluctuation is allowed.
(4) Do this procedure for all four blades and deice boots.

27. Slip Ring, Bulkhead, and Wiring Harness Assembly Installation

CAUTION: Do not shim the slip ring assembly in an effort to change or correct the
run-out.

CAUTION: Make sure that the number "1" stamped on the bulkhead assembly is
lined up with line inscribed on the slip ring.
A. C652, C653, C663, C664, and C665 propellers:

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C357

Lockwire of Cylinder and Housing Screws

Figure 705 (Sheet 1)

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C415

Number 1 Blade
Oil Fill Level

Oil Fill Propeller

Figure 706 (Sheet 1)

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C258

CAUTION: MAKE SURE ALL DEICE BOOTS ON A GIVEN PROPELLER ARE LOCATED THE SAME
DISTANCE FROM PROPELLER CENTER LINE TO ASSURE ROTATIONAL BALANCE.

CAUTION: CENTER DEICE BOOT ON LEADING EDGE OF BLADE WITH INBOARD EDGE
LOCATED AS SHOWN.

SEALANT OVERLAP ON BOOT

0.25 INCH
(6.4 mm)
TYPICAL

0.50 INCH
(12.7 mm)
TYPICAL SEALANT

BLADE
A

(NOTE)

NOTE: REFER TO PROCEDURE FOR DIMENSION A

Boot Positioning
Figure 707 (Sheet 1)

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(1) Line up the number "1" stamped on the bulkhead assembly with the line inscribed on the slip
ring assembly.
(2) Attach the bulkhead assembly (201) to the slip ring assembly (280) with the bulkhead to slip ring
attachment washers (285) and screws (284).
(3) Torque the screws. (Refer to Table 701).
(4) Wire harness installation.
(a) Connect the wiring harness terminals to the slip ring assembly (270) stud with nuts (283)
and washers (282).

NOTE: GND is the innermost slip ring terminal.

1 Blades 1 and 3, connect one lead to G (ground) and the other to O (outboard).
2 Blades 2 and 4, connect one lead to G (ground) and the other to I (inboard).
(b) Torque the slip ring assembly nuts. (Refer to Table 701).
(c) Install the clamp (277) on the slip ring end of the wiring harness.
(d) Attach the clamp to the bulkhead assembly with the clamp to bulkhead attachment washers
(131) and screws (278).
(e) Torque the screws. (Refer to Table 701).
(5) Do this procedure for all wiring harnesses.
(6) Apply Loctite Gasket Sealant #2 to the threads of screws (284).
(7) Attach the slip ring to bulkhead assembly to the back of the propeller hub (93) with the slip ring
to hub attachment washers (285) and screws (284).
(8) Install the connection bracket (6) to the blade with screw (7).
(9) Install the clamp (268) on the blade end of the wiring harness.
(10) Make sure the wire harness is routed inboard of the counterweight (9) as shown in Figure 1003.
(11) Attach the clamp to the bracket (6) with clamp to bracket attachment screws (266), washer (267)
and nut (269).
(12) Torque the screw. (Refer to Table 701).
(13) Connect the wiring harness to the respective boot terminals and the bracket (6) with screws
(266), insulators (267), and nuts (269).
(14) Torque the connection screws. (Refer to Table 701).
(15) Do this procedure for all four blades.
B. C661 propellers:
(1) Line up the number "1" stamped on the bulkhead assembly with the line inscribed on the slip
ring assembly.
(2) Attach the bulkhead assembly (201) to the slip ring assembly (280) with the bulkhead to slip ring
attachment washers (285) and screws (284).
(3) Torque the screws. (Refer to Table 701).
(4) Wire harness installation.
(a) Connect the wiring harness terminals to the slip ring assembly (270) stud with nuts (283)
and washers (282).

NOTE: GND is the innermost slip ring terminal.

1 Blades 1 and 3, connect one lead to G (ground) and the other to O (outboard).
2 Blades 2 and 4, connect one lead to G (ground) and the other to I (inboard).
(b) Torque the slip ring assembly nuts. (Refer to Table 701).
(c) Install the clamp (277) on the slip ring end of the wiring harness.
(d) Attach the clamp to the bulkhead assembly with the clamp to bulkhead attachment washers
(131) and screws (278).
(e) Torque the screws. (Refer to Table 701).
(5) Do this procedure for all wiring harnesses.
(6) Apply Loctite Gasket Sealant #2 to the threads of screws (284).
(7) Attach the slip ring to bulkhead assembly to the back of the propeller hub (93) with the slip ring
to hub attachment washers (285) and screws (284).
(8) Install the bracket (6) to the blade with screw (7).
(9) Route the electrical harness inboard of the counterweight (9). (Refer to the figure, Figure 1001).

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(10) Connect the wire harness and the boot connectors.

(11) Secure the connectors together by passing a tie strap (275) between the wires of each connector
and tightening the tie strap. Refer to Figure 708.
(12) Secure each connector pair to the deice mounting bracket (6) with three tie straps (275). Wrap
around the connectors and through the holes in the mounting bracket.
(13) Secure the harness to the counterweight with three tie straps (275) with no slack between the
bracket (6) and the counterweight (9).

28. Synchrophaser Target and Balance Weight Installation

A. Install Target and Balance Weight (Refer to Figure 708).
(1) Install the syncrophaser target(s) (214) to the bulkhead (201) with bolts (215), washers (217),
and nuts (216). (Refer to Table 703 and Figure 709).
(2) Install one syncrophaser target balance weight (213) on each side of the bulkhead (201) with
bolt (215), washer (217), and nut (216).

Table 703. Synchrophaser Target

PROPELLER TARGET LOCATION WEIGHT LOCATION

MODEL
P6525322-0307 28 degrees counterclockwise from number 180 degrees opposite target.
(right engine) 1 blade centerline, looking forward at
bulkhead.
P6525322-0307 Centerline of number 1 blade. 180 degrees opposite target.
(left engine)
P6536401-0107 Centerline of number 1 blade. 180 degrees opposite target.
(left and right
engines)
P665 Centerline of number 1 blade. 180 degrees opposite target.

29. Decals
A. Decal Installation (Refer to Figure 710 for decal details).
(1) Install decals (105, 106, 107, 108, 109, and 212) as follows
(2) Decals with a protective backing: clean surface with solvent or thinner and dry thoroughly.
Remove protective backing, position the decal and roll down tight.

NOTE: Installation of decals may be deferred until propeller assembly is completed.

(3) The propeller part number decal (109) has a protective layer mounted to the back of the decal.
(a) Peel the protective layer off, install the decal on the cylinder, and then apply the protective
layer to the face of the decal.

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C317

CLAMP

TIE STRAP

BOOT
CONNECTOR HARNESS
CONNECTOR

TIE STRAP

0101T1026

Harness Connection (C661)

Figure 708 (Sheet 1)

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C492

0 DEGREE
TARGET BLADE NUMBER 1
LOCATION
28 DEGREE
TARGET
LOCATION
DYNAMIC BALANCE
WEIGHT LOCATION

28 DEGREE BALANCE
WEIGHT LOCATION

0 DEGREE BALANCE
WEIGHT LOCATION

VIEW LOOKING FORWARD AT BULKHEAD

Synchrophaser Target Installation

Figure 709 (Sheet 1)

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C493

108

107

106 105

109
212

Decal Details
Figure 710 (Sheet 1)

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TESTING AND BALANCE

1. General
A. The checks and adjustments described in this section are to be done as part of the assembly process.
B. Refer to the Standard Practice Manual, Section 60-00-07, Blade Track and Blade to Blade Balance
procedures.

2. Setting Blade Angles

A. Blade angles for blade sets must be within 0.2 degree of each other at the reference station.

3. Blade Feather Angle Check

A. Check.
(1) Turn the blades by hand to the high pitch latched position.
(2) Hold one blade against the high pitch stop.
(3) While you hold the blade against the high pitch stop, turn one of the blades toward low pitch
using light force to take up the slack in the linkage.
(4) Measure the blade feather angle at the 30 inch reference station.

NOTE: Zero the protractor from a flat surface on the support plate and bushing assembly.

(a) Make sure the feather angle is as required in Table 1.

(5) Repeat the check for each of the remaining blades.

4. Blade Feather Angle Adjustment

A. Adjust
(1) Remove the cylinder (25).
(2) Remove the feather stop bolts (49) and shims (50) and spacers (51).

NOTE: Do not remove the shim(s) from each feather stop bolt

(3) With the shim(s) held against the feather stop bolt, measure and note for future reference the
distance from the top of the feather stop bolt to the bottom of the last installed shim.

NOTE: The shim and bolt head stack height should be the same for both sets of shims and
bolts.

(4) Discard the feather stop bolts (49)

(5) Change the shims (50) as necessary to get the allowable blade feather angle.

NOTE: The maximum feather stop shim stack thickness is 0.060 inch.

NOTE: A 0.023 inch (0.58 mm) shim adjustment changes the blade feather angle
approximately 1.0 degree. If shims are added to the shim stack the feather angle
will decrease. If shims are removed the feather angle will increase.

(6) Measure the thickness of each new feather stop bolt (49) with the feather shim(s) (50) installed
and held against the head of the stop bolt. Both feather stop bolt/shim assemblies must have
the same thickness and the measured thickness should be the same thickness as the removed
bolt/shim assemblies.
(7) Install and torque the new feather stop bolts. (Refer to Table 701).

5. Blade Start Lock Angle Check

NOTE: Set the start lock angle with the cylinder assembly installed but the feathering spring and
feathering spring housing removed.

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A. Check
(1) Turn the blades toward reverse pitch.

NOTE: The clicking sound is the start locks sliding over the start lock latch.

(2) When the locks engage, turn the blades with equal force toward high pitch to take up the slack
in the linkage.
(3) Measure the blade start lock angle at the reference station.

NOTE: Zero the protractor from a flat surface on the forward end of the cylinder.

(a) Make sure the start lock check is as required in Table 1 at the 30 inch reference station.

6. Blade Start Lock Angle Adjustment

A. Adjustment
(1) Remove the start lock angle attachment screws (26) and the start lock latch (27).

NOTE: The maximum shim stack thickness is 0.060 inch.

(2) Change the start lock shims (28) as necessary to get the allowable blade start lock angle.

NOTE: A 0.03 inch (0.76 mm) shim adjustment changes the blade start lock angle 1.0 degree.
Add shims to decrease the blade start lock angle. Remove shims to increase the
blade start lock angle.

(3) Install the start lock latch and attachment screws.

(4) Torque the start lock latch screws. (Refer to Table 701).

7. Blade Reverse Angle Check

A. Check.
(1) Install the cylinder pressure check fixture in the propeller assembly.
(2) Use air pressure to force the piston against the cylinder (25).
(3) With the reverse stop against the cylinder, turn the blades, by hand, toward high pitch to take up
any slack in the linkage.
(4) Measure the blade reverse angle at the reference station.

NOTE: Zero the protractor from the flat surface on the forward end of the cylinder.

(a) Make sure the reverse stop angle is as required in Table 1 at the 30 inch reference station.

8. Blade Reverse Angle Adjustment

CAUTION: Release the air pressure before the cylinder assembly is removed.
A. Adjust.
(1) Remove the reverse stop screw (29).
(2) Change the shims as necessary to get the allowable reverse blade reverse angle.

NOTE: The maximum reverse stop shim stack thickness is 0.060 inch.

(3) Torque the reverse stop screws. (Refer to Table 701).

(4) Lockwire the reverse stop screws (29). (Refer to Figure 707).

9. Leakage
A. Perform a pressure leakage test per the Standard Practice Manual, Section 60-00-08, Pressure
Leakage Tests.

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10. Static Balance

A. Perform blade track and static balance procedures per the Standard Practice Manual, Section 60-00-
07, Blade Track and Blade to Blade Balance.

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ILLUSTRATED PARTS LIST

1. Illustrated Parts List

A. The parts listed in the Master Parts List are for all part numbers of a propeller model.
(1) Figure 1001 illustrates the breakdown of the propeller assembly.
(2) Figure 1002 illustrates spinner components.
(3) Figure 1003 illustrates electric deice components.
(4) Refer to the MPC-5, McCauley Reference Manual and the aircraft type certificate data sheet for
applications of specific part numbers.
(5) Refer to Section 60-00-06 Paint, in the SPM100 for paint scheme details.

Table 1001. 650 Series Propeller Installation

INDEX PART DESCRIPTION QTY. C652- C652- C653- C653- C653

NUMBER 0407 0307 0107 0455 -03
1 A-1639-32 Nut, propeller attaching 8 X X X X X
2 B-5096 Spacer 8 X X
3 A-4630-1 Weight, balance (aluminum) AR X X X X X
one maximum per holder
3 A-4630 Weight, balance (steel) AR X X X X X
4 B-4629 Holder, balance weight AR X X X X X
5 A-4634 Gasket, holder to blade AR X X X X X
6 B-4878 Bracket, deice mounting 4 X X X X
7 A-1635-5 Screw, deice bracket attaching 4 X X X X
8 A-1635-5 Screw (attach 1 weight or AR X X X X X
holder)
8 A-1635-14 Screw (attach 1 weight and AR X X X X X
holder)
8 A-1635- Screw (attach 2 weights and AR X X X X X
120 holder)
8 A-1635-15 Screw (attach 3 weights and AR X X X X X
holder)
8 A-1635- Screw (attach 4 weights and AR X X X X X
121 holder)
8 A-1635-96 Screw (attach 5 weights and AR X X X X X
holder)
8 A-1635- Screw (attach 6 weights and AR X X X X X
116 holder)
8 A-1635-54 Screw (attach 7 weights and AR X X X X X
holder)
8 A-1635- Screw (attach 8 weights and AR X X X X X
118 holder)
9 C-5291 Counterweight 4 X X X X X
14 A-1635- Screw, counterweight 4 X X X X X
164 attaching

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Table 1001. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C652- C652- C653- C653- C653
NUMBER 0407 0307 0107 0455 -03
16 B-6864 Plastic plug 3 X X X X X
17 A-1635- Screw 4 X X X X X
119
18 C-7125 Housing, spring 1 X X X X X
19 C-5328 Spring, feathering and 1 X X X X X
reversing
20 B-4769 Guide, spring 1 X X X X X
21 B-4772 Bearing assembly, thrust 1 X X X X X
22 B-5014 Shield 1 X X X X X
23 A-1635- Screw, cylinder attaching 14 X X X X X
142
24 C-6186 Cylinder assembly 1 X
24 C-6186-1 Cylinder assembly 1 X X
24 C-6186-2 Cylinder assembly 1 X
24 C-6186-4 Cylinder assembly 1 X
25 D-6174 ..Cylinder 1 X X X X X
26 A-1635- ..Screw, latch 2 X X X X X
117
27 D-5017-1 ..Latch, start lock 1 X X X
27 D-5017-2 ..Latch, start lock 1 X
27 D-5017-3 ..Latch, start lock 1 X
28 C-5018-4 ..Shim, start lock 0.004-inch AR X X X X X
(0.10 mm) thick
28 C-5018-8 ..Shim, start lock 0.008-inch AR X X X X X
(0.20 mm) thick
28 C-5018-16 ..Shim, start lock 0.016-inch AR X X X X X
(0.41 mm) thick
28 C-5018-32 ..Shim, start lock 0.032-inch AR X X X X X
(0.81 mm) thick
29 B-7280 ..Screw, reverse stop 4 X X X X X
30 B-5164-4 ..Shim, reverse stop AR X X X X X
0.004-inch (0.10 mm) thick
30 B-5164-8 ..Shim, reverse stop AR X X X X X
0.008-inch (0.20 mm) thick
30 B-5164-16 ..Shim, reverse stop AR X X X X X
0.016-inch (0.41 mm) thick
30 B-5164-32 ..Shim, reverse stop AR X X X X X
0.032-inch (0.81 mm) thick

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Table 1001. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C652- C652- C653- C653- C653
NUMBER 0407 0307 0107 0455 -03
31 B-5163 ..Spacer, reverse stop 4 X X
0.516-inch (13.1 mm) thick
31 B-5163-2 ..Spacer, reverse stop 4 X X X
0.484-inch (11.8 mm) thick
32 A-5567 Screw, hole plug 2 X X X X X
33 A-1638-1 Washer 2 X X X X X
34 A-1638-22 Washer 2 X X X X X
35 C-6179 Piston assembly 1 X X X X X
36 D-6177 ..Piston 1 X X X X X
37 B-4773 ..Screw, weight retaining 4 X X X X X
38 B-5020-1 ..Spring assembly 2 X X X X X
39 C-5016 ..Weight, start lock 2 X X X X X
40 A-1635- Screw, index plate 3 X X X X X
117
41 B-4758 Plate, index 1 X X X X X
42 B-4756 Split retainer 1 X X X X X
43 A-1633-55 O-ring, piston to piston rod 1 X X X X X
44 B-4978-2 Ring, back-up 1 X X X X X
45 A-1633- O-ring, piston to cylinder 1 X X X X X
115
46 A-1635- Screw, support plate to hub 4 X X X X X
141
47 C-6187 Support plate assembly 1 X X X X X
48 D-6173 ..Support plate 1 X X X X X
49 B-5417 ..Bolt, feather stop 2 X X X X X
50 B-5129-4 ..Shim, feather stop 0.004-inch AR X X X X X
(0.10 mm) thick
50 B-5129-8 ..Shim, feather stop 0.008-inch AR X X X X X
(0.20 mm) thick
50 B-5129-16 ..Shim, feather stop 0.016-inch AR X X X X X
(0.41 mm) thick
50 B-5129-32 ..Shim, feather stop 0.032-inch AR X X X X X
(0.81 mm) thick
51 B-40024-1 ..Spacer 2 X X X X X
0
52 A-1633-55 ..O-ring, bushing to piston rod 1 X X X X X
53 B-5986 ..Bushing 1 X X X X X

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Table 1001. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C652- C652- C653- C653- C653
NUMBER 0407 0307 0107 0455 -03
54 A-1633-71 ..O-ring, support plate to 1 X X X X X
bushing
55 A-1633- ..O-ring, support plate to 1 X X X X X
100 cylinder
56 A-1636-38 ..Retaining ring, bushing 1 X X X X X
57 A-1633- O-ring, plate to hub 1 X X X X X
106
58 B-4796 Screw, lock 1 X X X X X
59 B-4795 Plug assembly, lock 1 X X X X X
59 B-7401-2 Plug assembly, lock 1
60 B-4794 Pin, lock 1 X X X X X
61 A-1633-57 O-ring, piston rod to beta tube 1 X X X X X
62 D-5170 Piston rod assembly 1 X X X X X
63 B-6422 Link assembly 4 X X X X X
64 B-6421 ..Link 4 X X X X X
65 A-3483 ..Bushing, piston rod pin 4 X X X X X
66 B-6423 ..Bushing, acuating pin. 4 X X X X X
67 A-2513-80 Bolt, link to piston rod 4 X X X X X
68 A-1638-25 Washer 8 X X X X X
69 B-4767 Piston rod pin 4 X X X X X
70 A-1639-4 Nut 4 X X X X X
71 A-1636-39 Retaining ring 4 X X X X X
72 A-1638-45 Washers 4 X X X X X
73 A-1635- Screw, actuating pin attaching 8 X X X X X
140
74 A-1635- Screw, actuating pin attaching 8 X X X X X
180
75 B-5387-2 Actuating pin assembly 4 X X X X X
76 C-7330 ..Actuating pin 4 X X X X X
77 A-3150-10 ..Locating pin 4 X X X X X
78 A-1636-33 Retaining ring 4 X X X X X
79 B-5183-1 Blade plug 4 X X X X X
80 A-1633-79 O-ring, plug to blade 4 X X X X X
81 L106FA-X Blade 4 X X X
81 L106LA-X Blade 4 X X
82 C-3903 Split retainer 4 X X X X X

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Table 1001. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C652- C652- C653- C653- C653
NUMBER 0407 0307 0107 0455 -03
83 C-6148 Bearing, blade retention 4 X X X X X
(matched pair)
83 C-7234 Bearing, oversize blade AR X X X X X
(retention matched pair)
84 A-1634-10 Ball bearings 116 X X X X X
85 B-7104 Separators 116 X X X X X
86 B-4649 Shim carrier 4 X X X X X
87 B-4277-3 Split shim (anti-blade shake) AR X X X X X
0.003-inch (0.08 mm) thick
87 B-4277-4 Split shim (anti-blade shake) AR X X X X X
0.004-inch (0.10 mm) thick
87 B-4277-5 Split shim (anti-blade shake) AR X X X X X
0.005-inch (0.13 mm) thick
87 B-4277-6 Split shim (anti-blade shake) AR X X X X X
0.006-inch (0.15 mm) thick
87 B-4277-7 Split shim (anti-blade shake) AR X X X X X
0.007-inch (0.18 mm) thick
87 B-4277-8 Split shim (anti-blade shake) AR X X X X X
0.008-inch (0.20 mm) thick
87 B-4277-10 Split shim (anti-blade shake) AR X X X X X
0.010-inch (0.25 mm) thick
87 B-4277-12 Split shim (anti-blade shake) AR X X X X X
0.012-inch (0.30 mm) thick
87 B-4277-14 Split shim (anti-blade shake) AR X X X X X
0.014-inch (0.36 mm) thick
87 B-4277-15 Split shim (anti-blade shake) AR X X X X X
0.015-inch (0.38 mm) thick
87 B-4277-16 Split shim (anti-blade shake) AR X X X X X
0.016-inch (0.41 mm) thick
87 B-4277-18 Split shim (anti-blade shake) AR X X X X X
0.018-inch (0.46 mm) thick
87 B-4277-20 Split shim (anti-blade shake AR X X X X X
0.020-inch (0.51 mm) thick
88 B-4407 Solid shim 0.032-inch (0.81 AR X X X X X
mm) thick
88 B-4407-1 Solid shim 0.063-inch (1.60 AR X X X X X
mm) thick
88 B-4407-2 Solid shim 0.050-inch (1.27 AR X X X X X
mm) thick
88 B-4407-3 Solid shim 0.040-inch (1.02 AR X X X X X
mm) thick

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Table 1001. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C652- C652- C653- C653- C653
NUMBER 0407 0307 0107 0455 -03
88 B-4407-4 Solid shim 0.071-inch (1.80 AR X X X X X
mm) thick
88 B-4407-5 Solid shim 0.080-inch (2.03 AR X X X X X
mm) thick
89 A-4427 Ring, wire 4 X X X X X
90 B-4426 Ring, retaining 4 X X X X X
91 A-1633-56 O-ring, blade to hub 4 X X X X X
92 D-6153/ Hub assembly 1 X X X X X
C653
93 E-6152 ..Hub, (not procurable) 1 X X X X X
94 A-1633-55 ..O-ring, bushing to piston rod 1 X X X X X
95 B-5306 ..Bushing, rear hub 1 X X X X X
96 A-1633-71 ..O-ring, hub to rear bushing 1 X X X X X
97 A-1636-38 ..Retaining ring, bushing 1 X X X X X
98 B-5299 ..Stud 8 X X X X X
99 B-7513 ..Teflon sleeve 4 X X X X X
100 A-1896 ..Pin, cylinder locating 2 X X X X X
101 A-1635- ..Screw 2 X X X X X
136
102 A-1750-6 ..Seal 2 X X X X X
103 A-1633-72 ..O-ring, hub to propeller shaft 1 X X X X X
104 B-40183-0 Boot 4 X X X
7
104 B-40183-5 Boot 4 X
5
105 A-6172 Decal, trademark 4 X X X X X
106 B-6707 Decal, no blade paddles 4 X X X X X
107 A-2230-7 Decal, installation 1 X X X X X
108 A-2501 Decal, springs are installed 1 X X X X X
109 B-5043-X Decal, part number 1 X X X X X

Table 1002. 650 Series Propeller Installation

INDEX PART DESCRIPTION QTY. C661- C661 C663- C664- C665-

NUMBER 0156 -01 0107 0107 0152
1 A-1639-32 Nut, propeller attaching 8 X X X X X
2 B-5096 Spacer 8 X X X X
3 A-4630-1 Weight, balance (aluminum) AR X X X X X
one maximum per holder

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Table 1002. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C661- C661 C663- C664- C665-
NUMBER 0156 -01 0107 0107 0152
3 A-4630 Weight, balance (steel) AR X X X X X
4 B-4629 Holder, balance weight AR X X X X X
4 B-5491 Holder, balance weight w/ AR X
nutplate
5 A-4634 Gasket, holder to blade AR X X X X X
6 B-4971 Bracket, deice mounting 4 X X
6 B-4878 Bracket, deice mounting 4 X X
7 A-1635-5 Screw, deice bracket attaching 4 X X X X
8 A-1635-5 Screw (attach 1 weight or AR X X X X X
holder)
8 A-1635-14 Screw (attach 1 weight and AR X X X X X
holder)
8 A-1635- Screw (attach 2 weights and AR X X X X X
120 holder)
8 A-1635-15 Screw (attach 3 weights and AR X X X X X
holder)
8 A-1635- Screw (attach 4 weights and AR X X X X X
121 holder)
8 A-1635-96 Screw (attach 5 weights and AR X X X X X
holder)
8 A-1635- Screw (attach 6 weights and AR X X X X X
116 holder)
8 A-1635-54 Screw (attach 7 weights and AR X X X X X
holder)
8 A-1635- Screw (attach 8 weights and AR X X X X X
118 holder)
9 C-5291 Counterweight 4 X X
9 C-5560-3 Counterweight 4 X X
9 C-7311 Counterweight 4 X
10 B-6537-2 Weight 8 X
11 B-6537-1 Weight 16 X
12 A-1638-15 Washers 16 X
13 A-1635-71 Screw, weight attaching 16 X
14 A-1635- Screw, counterweight 4 X X X
164 attaching
14 A-1635- Screw, counterweight 4 X X
165 attaching
15 B-5269 Washer 4 X X
16 B-6864 Plastic plug 3 X X X X X

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Table 1002. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C661- C661 C663- C664- C665-
NUMBER 0156 -01 0107 0107 0152
17 A-1635- Screw 4 X X X X X
119
18 C-7125 Housing, spring 1 X X X X X
19 C-5328 Spring, feathering and 1 X X X X X
reversing
20 B-4769 Guide, spring 1 X X X X X
21 B-4772 Bearing assembly, thrust 1 X X X X X
22 B-5014 Shield 1 X X X X X
23 A-1635- Screw, cylinder attaching 14 X X X X X
142
24 C-6186-2 Cylinder assembly 1 X
24 C-6186-3 Cylinder assembly 1 X X X
24 C-6186-4 Cylinder assembly 1 X
25 D-6174 ..Cylinder 1 X X X X X
26 A-1635- ..Screw, latch 2 X X X X X
117
27 D-5017 ..Latch, start lock 1 X X
27 D-5017-1 ..Latch, start lock 1
27 D-5017-2 ..Latch, start lock 1 X X X
27 D-5017-3 ..Latch, start lock 1
28 C-5018-4 ..Shim, start lock 0.004-inch AR X X X X X
(0.10 mm) thick
28 C-5018-8 ..Shim, start lock 0.008-inch AR X X X X X
(0.20 mm) thick
28 C-5018-16 ..Shim, start lock 0.016-inch AR X X X X X
(0.41 mm) thick
28 C-5018-32 ..Shim, start lock 0.032-inch AR X X X X X
(0.81 mm) thick
29 B-7280 ..Screw, reverse stop 4 X X X X X
30 B-5164-4 ..Shim, reverse stop AR X X X X X
0.004-inch (0.10 mm) thick
30 B-5164-8 ..Shim, reverse stop AR X X X X X
0.008-inch (0.20 mm) thick
30 B-5164-16 ..Shim, reverse stop AR X X X X X
0.016-inch (0.41 mm) thick
30 B-5164-32 ..Shim, reverse stop AR X X X X X
0.032-inch (0.81 mm) thick
31 B-5163 ..Spacer, reverse stop 4 X
0.516-inch (13.1 mm) thick

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1002. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C661- C661 C663- C664- C665-
NUMBER 0156 -01 0107 0107 0152
31 B-5163-1 ..Spacer, reverse stop 4 X X
0.568-inch (14.4 mm) thick
31 B-5163-2 ..Spacer, reverse stop 4 X X
0.484-inch (11.8 mm) thick
32 A-5567 Screw, hole plug 2 X X X X X
33 A-1638-1 Washer 2 X X X X X
34 A-1638-22 Washer 2 X X X X X
35 C-6179 Piston assembly 1 X X X
35 C-6179-1 Piston assembly 1 X X
36 D-6177 ..Piston 1 X X X X X
37 B-4773 ..Screw, weight retaining 4 X X X X X
38 B-5020 ..Spring assembly 2 X X
38 B-5020-1 ..Spring assembly 2 X X X
39 C-5016 ..Weight, start lock 2 X X X X X
40 A-1635- Screw, index plate 3 X X X X X
117
41 B-4758 Plate, index 1 X X X X X
42 B-4756 Split retainer 1 X X X X X
43 A-1633-55 O-ring, piston to piston rod 1 X X X X X
44 B-4978-2 Ring, back-up 1 X X X X X
45 A-1633- O-ring, piston to cylinder 1 X X X
115
45 A-1633- O-ring, piston to cylinder 1 X X
117
46 A-1635- Screw, support plate to hub 4 X X X X X
141
47 C-6187 Support plate assembly 1 X X X
47 C-6187-1 Support plate assembly 1 X X
48 D-6173 ..Support plate 1 X X X X X
49 B-5417 ..Bolt, feather stop 2 X X X X X
50 B-5129-4 ..Shim, feather stop 0.004-inch AR X X X X X
(0.10 mm) thick
50 B-5129-8 ..Shim, feather stop 0.008-inch AR X X X X X
(0.20 mm) thick
50 B-5129-16 ..Shim, feather stop 0.016-inch AR X X X X X
(0.41 mm) thick
50 B-5129-32 ..Shim, feather stop 0.032-inch AR X X X X X
(0.81 mm) thick

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MODEL C650 SERIES
OVERHAUL MANUAL

Table 1002. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C661- C661 C663- C664- C665-
NUMBER 0156 -01 0107 0107 0152
51 B-40024-4 ..Spacer 2 X X
51 B-40024-1 ..Spacer 2 X X X
0
52 A-1633-55 ..O-ring, bushing to piston rod 1 X X X X X
53 B-5986 ..Bushing 1 X X X X X
54 A-1633-71 ..O-ring, support plate to 1 X X X X X
bushing
55 A-1633- ..O-ring, support plate to 1 X X X X X
100 cylinder
56 A-1636-38 ..Retaining ring, bushing 1 X X X X X
57 A-1633- O-ring, plate to hub 1 X X X X X
106
58 B-4796 Screw, lock 1 X X X X X
59 B-4795 Plug assembly, lock 1 X X X
59 B-7401-2 Plug assembly, lock 1 X X
60 B-4794 Pin, lock 1 X X X
60 B-7412 Pin, lock 1 X X
61 A-1633-57 O-ring, piston rod to beta tube 1 X X X X X
62 D-5170 Piston rod assembly 1 X X X
62 D-7405 Piston rod assembly 1 X X
63 B-6422 Link assembly 4 X X X X X
64 B-6421 ..Link 4 X X X X X
65 A-3483 ..Bushing, piston rod pin 4 X X X X X
66 B-6423 ..Bushing, acuating pin. 4 X X X X X
67 A-2513-80 Bolt, link to piston rod 4 X X X X X
68 A-1638-25 Washer 8 X X X X X
69 B-4767 Piston rod pin 4 X X X X X
70 A-1639-4 Nut 4 X X X X X
71 A-1636-39 Retaining ring 4 X X X X X
72 A-1638-45 Washers 4 X X X X X
73 A-1635- Screw, actuating pin attaching 8 X X X X X
140
74 A-1635- Screw, actuating pin attaching 8 X X X X X
180
75 B-5387-2 Actuating pin assembly 4 X X X X X
76 C-7330 ..Actuating pin 4 X X X X X

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1002. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C661- C661 C663- C664- C665-
NUMBER 0156 -01 0107 0107 0152
77 A-3150-10 ..Locating pin 4 X X X X X
78 A-1636-33 Retaining ring 4 X X X X X
79 B-5183-1 Blade plug 4 X X X X X
80 A-1633-79 O-ring, plug to blade 4 X X X X X
81 90LNA-X Blade 4 X X
81 L106 Blade 4 X
FRA-X
81 L106LA-X Blade 4 X
81 L106KA-X Blade 4 X
82 C-3903 Split retainer 4 X X X X X
83 C-6148 Bearing, blade retention 4 X X X X X
(matched pair)
83 C-7234 Bearing, oversize blade AR X X X X X
retention (matched pair)
84 A-1634-10 Ball bearings 116 X X X X X
85 B-7104 Separators 116 X X X X X
86 B-4649 Shim carrier 4 X X X X X
87 B-4277-3 Split shim (anti-blade shake) AR X X X X X
0.003-inch (0.08 mm) thick
87 B-4277-4 Split shim (anti-blade shake) AR X X X X X
0.004-inch (0.10 mm) thick
87 B-4277-5 Split shim (anti-blade shake) AR X X X X X
0.005-inch (0.13 mm) thick
87 B-4277-6 Split shim (anti-blade shake) AR X X X X X
0.006-inch (0.15 mm) thick
87 B-4277-7 Split shim (anti-blade shake) AR X X X X X
0.007-inch (0.18 mm) thick
87 B-4277-8 Split shim (anti-blade shake) AR X X X X X
0.008-inch (0.20 mm) thick
87 B-4277-10 Split shim (anti-blade shake) AR X X X X X
0.010-inch (0.25 mm) thick
87 B-4277-12 Split shim (anti-blade shake) AR X X X X X
0.012-inch (0.30 mm) thick
87 B-4277-14 Split shim (anti-blade shake) AR X X X X X
0.014-inch (0.36 mm) thick
87 B-4277-15 Split shim (anti-blade shake) AR X X X X X
0.015-inch (0.38 mm) thick
87 B-4277-16 Split shim (anti-blade shake) AR X X X X X
0.016-inch (0.41 mm) thick

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1002. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C661- C661 C663- C664- C665-
NUMBER 0156 -01 0107 0107 0152
87 B-4277-18 Split shim (anti-blade shake) AR X X X X X
0.018-inch (0.46 mm) thick
87 B-4277-20 Split shim (anti-blade shake) AR X X X X X
0.020-inch (0.51 mm) thick
88 B-4407 Solid shim 0.032-inch (0.81 AR X X X X X
mm) thick
88 B-4407-1 Solid shim 0.063-inch (1.60 AR X X X X X
mm) thick
88 B-4407-2 Solid shim 0.050-inch (1.27 AR X X X X X
mm) thick
88 B-4407-3 Solid shim 0.040-inch (1.02 AR X X X X X
mm) thick
88 B-4407-4 Solid shim 0.071-inch (1.80 AR X X X X X
mm) thick
88 B-4407-5 Solid shim 0.080-inch (2.03 AR X X X X X
mm) thick
89 A-4427 Ring, wire 4 X X X X X
90 B-4426 Ring, retaining 4 X X X X X
91 A-1633-56 O-ring, blade to hub 4 X X X X X
92 D-6153/ Hub assembly 1 X X X X X
C653
93 E-6152 ..Hub, (not procurable) 1 X X X X X
94 A-1633-55 ..O-ring, bushing to piston rod 1 X X X X X
95 B-5306 ..Bushing, rear hub 1 X X X X X
96 A-1633-71 ..O-ring, hub to rear bushing 1 X X X X X
97 A-1636-38 ..Retaining ring, bushing 1 X X X X X
98 B-5299 ..Stud 8 X X X X X
99 B-7513 ..Teflon sleeve 4 X X X X X
100 A-1896 ..Pin, cylinder locating 2 X X X X X
101 A-1635- ..Screw 2 X X X X X
136
102 A-1750-6 ..Seal 2 X X X X X
103 A-1633-72 ..O-ring, hub to propeller shaft 1 X X X X X
104 B-40183-0 Boot 4 X X
7
104 B-40245-5 Boot 4 X
6
104 B-40245-5 Boot 4 X
2

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1002. 650 Series Propeller Installation (continued)

INDEX PART DESCRIPTION QTY. C661- C661 C663- C664- C665-
NUMBER 0156 -01 0107 0107 0152
105 A-6172 Decal, trademark 4 X X X X X
106 B-6707 Decal, no blade paddles 4 X X X X X
107 A-2230-7 Decal, installation 1 X X X X X
108 A-2501 Decal, springs are installed 1 X X X X X
109 B-5043-X Decal, part number 1 X X X X X

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

C185

A
23
24

22

20
34
19 33
32
21
17 67

18 68
61
62 63
16
57
69
68
D
70
47 60

35 59
58
46

C
B

0101T1028

C650 Series Propeller

Figure 1001 (Sheet 1)

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

C256

105 81
McCAULEY

104 106
5 90
4

9 89
6
14
7 3 88
8

87
77
76
75 86
74
63
72 73
11 71 83
84
10 80
10 82
79
13
85
15 11 1
14 12 91 2
78

0101T1031

C650 Series Propeller

Figure 1001 (Sheet 2)

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

C270
108
109

25

31
30
29
45

44

36
28

27 DETAIL A
26
39
38

37
41
43
42
DETAIL B
40

48 56

54 57 66
53
55 64
52

51
65
50
49
DETAIL D
DETAIL C
0101T1032

C650 Series Propeller

Figure 1001 (Sheet 3)

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

C271

107

96
95

94 99

98

103
97

100

93

102
101

DETAIL E

0101T1033

C650 Series Propeller

Figure 1001 (Sheet 4)

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1003. Spinner Installation

INDEX PART DESCRIPTION QTY E-5369 E-608 E-608 E-63 E-71

NUMBER -B 3 3 -1 27 54
200 D-7155 Shell, Spinner (polished) 1 X
200 E-5326-1 Shell, Spinner (polished) 1 X
200 E-5367 Shell, Spinner 1 X
200 E-6081 Shell, Spinner (polished) 1 X
200 E-6674 Shell, Spinner (painted) 1 X
201 D-7156 Bulkhead Assembly 1 X
201 E-5327 Bulkhead Assembly 1 X
201 E-5368 Bulkhead Assembly 1 X
201 E-6080 Bulkhead Assembly 1 X X
202 A-1635-36 Screw 12 X X X X X
203 A-1638-20 Washer - Flat 12 X X X X
204 C-5366 Fillet Assembly (painted) 4 X
204 C-5690 Fillet Assembly (polished) 4 X
204 C-6082 Fillet Assembly (polished) 4 X
204 C-6673 Fillet Assembly (painted) 4 X
205 A-1635- Screw 44 X X X
133
205 A-1635- Screw 44 X
145
205 A-1635- Screw 44 X
172
206 A-1638-38 Washer - Flat 44 X
206 A-1638-44 Washer 44 X
206 A-1638-5 Washer 44 X X X
207 B-4864 Spinner Support 1 X X X X
207 B-5365 Spinner Support 1 X
208 B-4940-1 Shim - Spinner Support 0.017 AR X X X X X
inch (0.43 mm) thick
208 B-4940-2 Shim - Spinner Support 0.032 AR X X X X X
inch (0.81 mm) thick
209 A-1638-55 Washer AR X X X X X
210 AN502- Screw AR X X X X X
10-X
211 A-1639-51 Nut AR X X X X X
212 B-6624 Decal 1 X X X X X

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1003. Spinner Installation (continued)

INDEX PART DESCRIPTION QTY E-5369 E-608 E-608 E-63 E-71
NUMBER -B 3 3 -1 27 54
213 B-60003 Balance weight 2 X X
214 B-6042 Target NOTE 1 1 X
214 B-6191 Target 1 X X
215 A-2513-90 Bolt 3 X X
216 A-1639-40 Nut 3 X X
217 A-1638-7 Washer 3 X X

NOTE 1: Used for C652 only.

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

C470

204 205

206
210
209
209
211
201

202

207
200 203

208
212

0101T1078

Spinner Installation
Figure 1002 (Sheet 1)

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1004. Deice Installation

INDEX PART DESCRIPTION QTY. C652 C652 C653 C653

NUMBER -0407 -0307 -0107 -0455
251 C-40543 Brush block assembly 1 X
251 C-40331 Brush block assembly 1 X X X
252 C-40562 ..Brush block 1 X
252 C-40151 ..Brush block 1 X X X
253 B-40332 ..Brush and holder assembly 2 X X X
253 B-40416 ..Brush and holder assembly 2 X
254 B-40563 ..Brush and holder assembly 1 X
255 A-1635- ..Screw, brush and holder to 2 2 2 4
127 block
256 B-40024-8 Brush block spacers 2 X
256 B-40024-9 Brush block spacers 2 X
256 B-40024-6 Brush block spacers 2 X X
257 A-1638-21 Washer, brush block to bracket AR X X X X
258 A-1638-7 Washer, brush block to bracket 2 X X X X
259 A-1635-77 Screw 2 X X X X
260 C-40545 Bracket assembly 1 X
260 C-40597 Bracket assembly 1 X
260 C-40306 Bracket assembly 1 X X
261 C-40548 ..Bracket 1 X
261 C-40596 ..Bracket 1 X
261 C-40203 ..Bracket 1 X X
262 A-1635- ..Screw 2 X X X X
146
263 A-1639-43 ..Nut 2 X X X X
264 A-40373 ..Terminal 1 X X X X
265 A-1638-17 ..Washer, terminal 3 X X X X
266 A-1639-18 ..Nut, terminal 3 X X X X
267 A-1639-19 ..Nut, terminal 3 X X X X
268 A-1635-14 Screw, clamp to bracket (Note1) 4 X X X X
269 A-1638-25 Screw, clamp to bracket (Note1) 4 X X
270 A-2873-9 Screw, clamp to bracket (Note1) 4 X X X X
271 A-1639-51 Screw, clamp to bracket (Note1) 4 X X X X
272 B-40387 Wiring harness 4 X X X X

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1004. Deice Installation (continued)

INDEX PART DESCRIPTION QTY. C652 C652 C653 C653
NUMBER -0407 -0307 -0107 -0455
273 A-1635-63 Screw, boot and harness lead to 8 X X X X
bracket (Note1)
274 A-1638-54 Washer, leads to bracket (Note1) 16 X X X X
275 B-5024 Spacer, insulator (Note1) 16 X X X X
276 A1639-19 Nut (Note1) 8 X X X X
278 A-20360-3 Tie strap 8 X X X X
279 A-2873-10 Clamp 4 X X X X
280 A-1635-56 Screw, clamp to bulkhead 8 X X X X
281 A-1638-18 Washer, clamp to bulkhead 8 8 8 8
282 D-40354 Deice slip ring assembly 1 X X X X
283 A-40008 ..Washer, phenolic 8 X X X X
284 A-1638-17 ..Washer 16 X X X X
285 A-1639-18 ..Nut 16 X X X X
286 A-1635-15 Screw, slip ring to hub 8 X X X X
287 A1638-25 Washer, slip ring to hub 8 X X X X

NOTE 1: Deice equipment that is shipped with applicable new McCauley propeller assemblies, all other listed
deice equipment must be ordered separetly.

Table 1005. Deice Installation

INDEX PART DESCRIPTION QTY. C661 C663 C664 C665

NUMBER -0156 -0107 -0107 -0152
251 C-40179 Brush block assembly 1 X
251 C-40331 Brush block assembly 1 X X
251 C-40543 Brush block assembly 1 X
252 C-40151 ..Brush block 1 X X X
252 C-40562 ..Brush block 1 X
253 B-40416 ..Brush and holder assembly 2 X
253 B-40189 ..Brush and holder assembly 2 X
253 B-40563 ..Brush and holder assembly 1 X
253 B-40332 ..Brush and holder assembly 2 X X
255 A-1635-127 ..Screw, brush and holder to 2 2 2 2
block
256 B-40024-6 Brush block spacers 2 X X
256 B-40024-9 Brush block spacers 2 X
257 A-1638-21 Washer, brush block to bracket AR X X X X
257 A-1638-7 Washer, brush block to bracket 2 X X X X

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1005. Deice Installation (continued)

INDEX PART DESCRIPTION QTY. C661 C663 C664 C665
NUMBER -0156 -0107 -0107 -0152
258 A-1635-100 Screw 2 X
259 A-1635-77 Screw 2 X X X
260 C-40306 Bracket assembly 1 X X
260 C-40612 Bracket assembly 1 X
260 C-40545 Bracket assembly 1 X
261 C-40611 ..Bracket 1 X
261 C-40548 ..Bracket 1 X
261 C-40203 ..Bracket 1 X X
262 A-1635-152 ..Screw 2 X
262 A-1635-146 ..Screw 2 X X X
263 A-1639-43 ..Nut 2 X X X X
264 A-40373 ..Terminal 1 X X X X
265 A-1638-17 ..Washer, terminal 3 X X X X
266 A-1639-18 ..Nut, terminal 3 X X X X
267 A-1639-19 ..Nut, terminal 3 X X X X
268 A-1635-14 Screw, clamp to bracket (Note1) 4 X X X
269 A-1638-25 Washer, clamp to bracket (Note1) 4 X X X X
270 A-2873-13 Clamp, harness (Note1) 4 X
270 A-2873-9 Clamp, harness (Note1) 4 X X
271 A-1639-51 Nut (Note1) 4 X X X
272 B-40387 Wiring harness 4 X X X
272 B-40585 Wiring harness 4 X
273 A-1635-63 Screw, boot and harness lead to 8 X X X
bracket (Note1)
274 A-1638-54 Washer, leads to bracket (Note1) 16 X X X
275 B-5024 Spacer, insulator (Note1) 16 X X X
276 A1639-19 Nut (Note1) 8 X X X
277 A-20360-1 Tie strap 16 X
278 A-20360-2 Tie strap 8 X
278 A-20360-3 Tie strap 8 X X X
279 A-2873-10 Clamp 4 X X X
279 A-2873-5 Clamp 4 X
280 A-1635-56 Screw, clamp to bulkhead 8 4 X X X
281 A-1638-18 Washer, clamp to bulkhead 4 8 8 8
282 D-40354 Deice slip ring assembly 1 X X X X

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

Table 1005. Deice Installation (continued)

INDEX PART DESCRIPTION QTY. C661 C663 C664 C665
NUMBER -0156 -0107 -0107 -0152
283 A-40008 ..Washer, phenolic 8 X X X X
284 A-1638-17 ..Washer 16 X X X X
285 A-1639-18 ..Nut 16 X X X X
286 A-1635-15 Screw, slip ring to hub 8 X X X X
287 A1638-25 Washer, slip ring to hub 8 X X X X

NOTE 1: Deice equipment that is shipped with applicable new McCauley propeller assemblies, all other listed
deice equipment must be ordered separetly.

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

C490

277
7

272 270
269
6 A
DETAIL A
7 268
211 271
274
209 276
274 273
275 275
6

280
281
209
278

210
203
202
279
251

287
286

282

0101T1089

Deice Installation
Figure 1003 (Sheet 1)

61-10-06 Page 1025

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 McCAULEY PROPELLER SYSTEMS
MODEL C650 SERIES
OVERHAUL MANUAL

C491

267
266
265 259
263 261
264 258

256
262
257
260
252

267 255 253

266
265 259
263 261
DETAIL B
264 258 C-40331, C-40179

257
262 285
284
256
260
252 284
255 283
253 285

254
255
DETAIL C
DETAIL B
C-40543
0101T1090

Deice Installation
Figure 1003 (Sheet 2)

61-10-06 Page 1026

© McCauley Propeller Systems Aug 18/2014