PRODUCT SUPPORT PROGRAM FOR REPLACING OIL MIST DETECTOR SEALS ON CERTAIN 3516E, AND C175-16 MARINE ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING OIL MIST DETECTOR SEALS ON CERTAIN 3516E, AND C175-16 MARINE ENGINES

Usage:

TEBE5994-02

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26Jul2017

(Revised 15Aug2017)

U-390

A-266

D-322

O-327

TM-4

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Before/After	PRODUCT SUPPORT PROGRAM FOR REPLACING OIL MIST DETECTOR SEALS ON CERTAIN 3516E, AND C175-16 MARINE ENGINES
1336		PS45553

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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 "PS45553" 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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NOTE:	This Revised Service Letter replaces the 26Jul2017 (Revised 31Jul2017) Service Letter. A change was made to the Service Claim Allowances.

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TERMINATION DATE

31Jul2019

PROBLEM

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The existing oil mist detector seals can leak on certain 3516E, and C175-16 Marine Engines. If the existing seal fails it will leak oil onto the the engine block.

AFFECTED PRODUCT

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Model	Identification Number
3516E HD	MRC00200-00224
C175-16	M6A00100-00108, 1004-1022 P5P01000-01002

PARTS NEEDED

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Qty	Part Number	Description
8	7X4782	SEAL-O RING
16	5247006	SEAL-WASHER
8	5286964	SEAL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% 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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Replace the seals. Refer to the attached Rework Procedure.

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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%
0-12000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 2.0-hour job

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PARTS DISPOSITION

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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

Rework Procedure

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Four seals need to be replaced on each oil mist detector (OMD). The o-ring seal under the OMD flange will need to be replaced. The seal washers on the bottom of the detector head will need to be replaced. The large seal under the detector head will also need to be replaced.

Note: Do not remove or loosen the nut which positions the OMD flange.

Note: Refer to Image1.1.1 for OMD details.

Note: For C175 seal replacement only, the detectors behind the thermostat and fuel pump can be removed without removing other iron. The detector head should be removed first. This will allow the body to rotate for removal.

First remove any wires connected to the OMD.

To remove the OMD loosen the two bolts which secure the OMD flange to the block side cover.

Once the OMD has been removed loosen the two M6 screws under the OMD head unit. The OMD head will then be removable. Please use caution removing the screws from the OMD body as there are screw retainers which keep the screws in place.

When the two M6 screws have been removed replace the old seal washer with the 524-7006 washer then reinsert the screws into the body and screw retainers.

Replace the large seal on the bottom of the detector head then reinstall the head back onto the body. Tighten the M6 screws to 2 Nm or the washers may leak after installation.

Replace the o-ring on the OMD flange then reinstall the OMD. Tighten the two side cover bolts to the proper torque.

Connect all wires associated with the OMD. Repeat the procedure for the next OMD.