3516C Marine Engine TTH00001-UP(SEBP4547 - 26) - Systems & Components Page 1 of 6

Shutdown SIS

Previous Screen

Product: MARINE ENGINE

Model: 3516C MARINE ENGINE TTH00768
Configuration: 3516C Marine Engine TTH00001-UP

Reuse And Salvage Guidelines

Salvage of Weld on Water-Cooled Exhaust Manifold for 3500 Series Engines {0679,
1059}
Media Number -SEBF8246-14 Publication Date -15/01/2015 Date Updated -14/02/2017

i06939514

Salvage of Weld on Water-Cooled Exhaust Manifold for 3500

Series Engines {0679, 1059}
SMCS - 0679; 1059

Caterpillar Products
All 3500 Engines
All G3500 Engines

Introduction
Table 1
Revision Summary of Changes in SEBF8246
14 Added effectivity and repaired pixelated illustrations.
10 - 13 Added new serial number prefixes.
Added new serial number prefixes.

09 Added "Canceled Part Numbers and Replaced Part Numbers" section.

Added "Important Safety Information" section.

© 2017 Caterpillar All Rights Reserved. This guideline is for the use of Cat dealers only.
Unauthorized use of this document or the proprietary processes therein without permission may be
violation of intellectual property law.

Information contained in this document is considered Caterpillar: Confidential Yellow.

This Reuse and Salvage Guideline contains the necessary information to allow a dealer to establish a
parts reusability program. Reuse and salvage information enables Cat dealers and customers to benefit

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisweb... 11/11/2020
3516C Marine Engine TTH00001-UP(SEBP4547 - 26) - Systems & Components Page 2 of 6

from cost reductions. Every effort has been made to provide the most current information that is
known to Caterpillar. Continuing improvement and advancement of product design might have
caused changes to your product which are not included in this publication. This Reuse and Salvage
Guideline must be used with the latest technical information that is available from Caterpillar.

For technical questions when using this document, work with your Dealer Technical Communicator
(TC).

To report suspected errors, inaccuracies, or suggestions regarding the document, submit a form for
feedback in the Service Information System (SIS Web) interface.

Canceled Part Numbers and Replaced Part Numbers

This document may not include canceled part numbers and replaced part numbers. Use NPR on SIS
for information about canceled part numbers and replaced part numbers. NPR will provide the current
part numbers for replaced parts.

Important Safety Information

Illustration 1 g02139237

Work safely. Most accidents that involve product operation, maintenance, and repair are caused by
failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing
potentially hazardous situations before an accident occurs. A person must be alert to potential hazards.
This person should also have the necessary training, skills, and tools to perform these functions
properly. Safety precautions and warnings are provided in this instruction and on the product. If these
hazard warnings are not heeded, bodily injury or death could occur to you or to other persons.
Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.
Therefore, the warnings in this publication and the warnings that are on the product are not all
inclusive. If a tool, a procedure, a work method, or operating technique that is not recommended by
Caterpillar is used, ensure that it is safe for you and for other people to use. Ensure that the product
will not be damaged or the product will not be made unsafe by the operation, lubrication,
maintenance, or the repair procedures that are used.

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisweb... 11/11/2020
3516C Marine Engine TTH00001-UP(SEBP4547 - 26) - Systems & Components Page 3 of 6

Improper operation, lubrication, maintenance or repair of this product

can be dangerous and could result in injury or death.

Do not operate or perform any lubrication, maintenance or repair on

this product, until you have read and understood the operation,
lubrication, maintenance and repair information.

Safety precautions and warnings are provided in this manual and on the product. If these hazard
warnings are not heeded, bodily injury or death could occur to you or to other persons.

The hazards are identified by the “Safety Alert Symbol” which is followed by a “Signal Word” such
as “DANGER”, “WARNING” or “CAUTION”. The “WARNING” Safety Alert Symbol is shown
below.

Illustration 2 g00008666

This safety alert symbol means:

Pay Attention!

Become Alert!

Your Safety is Involved.

The message that appears under the safety alert symbol explains the hazard.

Operations that may cause product damage are identified by "NOTICE" labels on the product and in
this publication.

Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard.
The safety information in this document and the safety information on the machine are not all
inclusive. Determine that the tools, procedures, work methods, and operating techniques are
safe. Determine that the operation, lubrication, maintenance, and repair procedures will not
damage the machine. Also, determine that the operation, lubrication, maintenance, and repair
procedures will not make the machine unsafe.

The information, the specifications, and the illustrations that exist in this guideline are based on
information which was available at the time of publication. The specifications, torques, pressures,
measurements, adjustments, illustrations, and other items can change at any time. These changes can
affect the service that is given to the product. Obtain the complete, most current information before
you start any job. Caterpillar dealers can supply the most current information.

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisweb... 11/11/2020
3516C Marine Engine TTH00001-UP(SEBP4547 - 26) - Systems & Components Page 4 of 6

Summary
Some Water-Cooled exhaust manifold assemblies may develop cracks in the weld between the cast
outlet elbow and the outer shell of the exhaust manifold. A list of the affected Water-Cooled exhaust
manifold assemblies is found in Table 2.

Table 2
Water-Cooled Exhaust Manifolds
Covered by the Repair Procedure
Former Part Number New Part Number
9Y-8681 6I-0044
9Y-8682 6I-0045
9Y-8683 6I-0046
9Y-8684 6I-0047
9Y-8685 6I-0048
9Y-8686 6I-0049

1
New parts replace former parts, but repair procedure can still be used on former parts.

Repair Procedure
Use the following repair procedure to extend the service life of the exhaust manifold.

1. Fabricate two collars from mild steel, as shown in the Illustration 3.

Table 3
Dimension for Fabricated Collar
Item Dimension
(A) 25.4 mm (1.00 inch)
(B) 4.00 mm (0.157 inch)
(C) 76.2 mm (2.00 inch)
(D) 1.00 mm (0.039 inch)
(E) 30 degrees

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisweb... 11/11/2020
3516C Marine Engine TTH00001-UP(SEBP4547 - 26) - Systems & Components Page 5 of 6

Illustration 3 g06176375
Dimensions for the fabricated collar, Refer to Table 3 for the dimensions.

2. Fit two fabricated collars around the weld joints and finish the weld, as shown in the Illustration
4 and in the Illustration 5.

Illustration 4 g06176377

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisweb... 11/11/2020
3516C Marine Engine TTH00001-UP(SEBP4547 - 26) - Systems & Components Page 6 of 6

Weld specifications and location

(1) Collar
(2) Exhaust manifold
(3) Weld (Refer to the Illustration 5)

Illustration 5 g06176380
Weld specifications
(1) Collar
(2) Exhaust manifold
(F) Minimum gap of 1.0 mm (0.04 inch)

Copyright 1993 - 2020 Caterpillar Inc. Wed Nov 11 21:27:59 UTC+0330 2020
All Rights Reserved.
Private Network For SIS Licensees.

https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisweb... 11/11/2020