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Propeller Maintenance Manual 132A: Page 7-53 Rev. 22 Dec/20

This document provides instructions for assembling the beta system on specific propeller models. It outlines steps to torque components like the socket head cap screw and elastic stop nuts. It cautions that binding may occur if the piston/guide collar are misaligned and instructs checking that the guide lugs can rotate freely, adjusting if needed. An example inspection check-off form is also included.

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Alexis Kidema
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145 views2 pages

Propeller Maintenance Manual 132A: Page 7-53 Rev. 22 Dec/20

This document provides instructions for assembling the beta system on specific propeller models. It outlines steps to torque components like the socket head cap screw and elastic stop nuts. It cautions that binding may occur if the piston/guide collar are misaligned and instructs checking that the guide lugs can rotate freely, adjusting if needed. An example inspection check-off form is also included.

Uploaded by

Alexis Kidema
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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PROPELLER MAINTENANCE MANUAL

132A

24. Beta System Assembly (resumed)


A. HC-B5M( )-3( ) Propeller Models ONLY
(1) Torque the socket head cap screw (660) into the guide collar (620) to secure it
in position on the cylinder (610). Refer to the Torque Values Table 8-1 in the Fits
and Clearances chapter of this manual.
(2) Thread a jam nut (1030) onto the end of each propeller beta rod (1060).
(3) Put the rod end ring (1020) on the ends of the beta rods (1060).
(4) Thread an elastic stop nut (1010) onto the end of each beta rod (1060).
(5) Torque each elastic stop nut (1010) per Torque Values Table 8-1 in the Fits and
Clearances chapter of this manual.

CAUTION: BINDING OF THE GUIDE LUGS MAY OCCUR IF THE


PISTON/GUIDE COLLAR ARE OUT OF ALIGNMENT. MAKE
SURE THE BETA ROD GUIDE LUGS IN THE SPINNER
SUPPORT PLATE CAN BE TURNED BY HAND. REFER TO
STEPS A.(7) AND A.(9).
(6) Apply air pressure until there is a gap between the guide lug (1090) and the
retainer ring (1080) of approximately .050" to .100".
(7) Check for free rotation of the guide lugs (1090).
(a) If the guide lugs (1090) cannot be turned smoothly, without sticking, the
guide collar unit (620) or spinner support plate (40) must be loosened and
adjusted.
(8) Apply air pressure until the propeller is in reverse position.
(9) Check for free rotation of the guide lugs (1090).
(a) If the guide lugs (1090) cannot be turned smoothly (without sticking), the
guide collar unit (620) or spinner support plate (40) must be loosened and
adjusted.

ASSEMBLY 61-10-32 Page 7-53


Rev. 22 Dec/20
PROPELLER MAINTENANCE MANUAL
132A
Example of an Inspection Check-off Form
Figure 7-20
ASSEMBLY 61-10-32 Page 7-54
Rev. 22 Dec/20

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