After Failure Only
| PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHAUST BYPASS GASKET ON CERTAIN 3516C MARINE ENGINES |
1057 7555 |
PS52615 |
NOTE: |
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
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NOTE: |
This Program can only be administered after a failure occurs.
The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52615" as the Part Number
and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code. |
NOTE: |
The information supplied in this service letter may not be valid after the termination date of this program.
Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst. |
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NOTE: |
This Revised Service Letter replaces the 11Feb2014 Service Letter. A change has been made to the Mail Codes. |
The existing 7C-9710 Gasket can fail and cause leaks on certain 3516C Marine Engines. |
Qty |
Part Number |
Description |
4 |
1687800 |
LOCKNUT HEX |
1 |
3451924 |
GASKET |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
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During the installation of the new gasket (2), replace the four standard nuts (1) that are used to secure the exhaust bypass valve with four 168-7800 Locknuts.
1. Clean the stud, the locknut, and the base of the locknut prior to assembly. 2. Tighten two diagonal locknuts. Tighten to 25 +/- 6 N.m (18 +/- 4 lb ft). 3. Tighten the remaining locknuts. Tighten to 25 +/- 6 N.m (18 +/- 4 lb ft). 4. Tighten all four locknuts again. Tighten to 47 +/- 9 N.m (35 +/- 7 lb ft). |
Product smu/age whichever comes first |
Caterpillar |
Dealer Suggested |
Customer Suggested |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
Parts % |
Labor Hrs% |
0-20000 hrs, 0-48 mo |
100.0% |
100.0% |
0.0% |
0.0% |
0.0% |
0.0% |
NOTE: This is a 3.0-hour job
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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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