PRODUCT SUPPORT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE CAMSHAFT ON CERTAIN C8.7 MARINE ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE CAMSHAFT ON CERTAIN C8.7 MARINE ENGINES

Usage:

TEBE3327-00

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06Jul2015

U-350

D-291

O-296

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Before/After	PRODUCT SUPPORT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE CAMSHAFT ON CERTAIN C8.7 MARINE ENGINES
1210		PS44798

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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.

NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS44798" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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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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TERMINATION DATE

31Jul2017

PROBLEM

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The camshaft needs to be inspected inspected and possibly replaced on certain C8.7 Marine Engines. The existing camshaft may be rusted which can lead to camshaft or roller follower failure.

AFFECTED PRODUCT

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Model	Identification Number
C8.7	CS700251-00262, 267-308

PARTS NEEDED

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Qty	Part Number	Description
1	4314127	SEAL-O-RING
1	4387243	SEAL-O-RING
1	4390476	GASKET
1	4501658	CAMSHAFT
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 29% 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.

ACTION REQUIRED

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Before completing the attached Rework Procedure, please review the safety actions in the Operation and Maintenance Manual.

Remove the valve cover and inspect the camshaft.

- If rust and pitting is found, compare the condition of the camshaft to the Image 1 and Image 2.

Image 1 is not acceptable and the camshaft should be replaced.

Image 2 is acceptable and the camshaft should not be replaced. Surface rust covering less than 10 percent of the total base circle is acceptable, pitting is not acceptable. Submit a DSN with pictures and a product status report if additional guidance is needed.

- If no rust is found, install the valve cover.

Refer to, Special Instruction, REHS9709, "Replacement Procedure For the Camshaft On the C8.7 Marine Engine".

Once complete, and if the engine will not be put into service, ensure that the engine is properly stored per SEHS9031, "Storage Procedure for Caterpillar Products".

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Image1

Image2

SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-2000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2001-10000 hrs, 25-120 mo	20.0%	0.0%	0.0%	0.0%	80.0%	100.0%

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NOTE: This is a 1.0-hour job
- 1.0 hour is allowed for the inspection of the camshaft. - An additional 12.1 hours will be allowed if the camshaft meets the criteria for replacement. Reasonable travel time and mileage is allowed. On vessels with multiple affected engines this service letter should completed on all engines on the vessel on the same trip. Please reference the other engine serial numbers in the claim story.

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