PRODUCT SUPPORT PROGRAM FOR REPLACING TURBOCHARGERS ON CERTAIN 3512B LOCOMOTIVE ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING TURBOCHARGERS ON CERTAIN 3512B LOCOMOTIVE ENGINES

Usage:

REBE1599-00

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21May2007

E481
L010
L050
L120
L240
L242
L262
L272
M191

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Before/After (Limited distribution)	PRODUCT SUPPORT PROGRAM FOR REPLACING TURBOCHARGERS ON CERTAIN 3512B LOCOMOTIVE ENGINES
1052 1053		PS42409

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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 "PS42409" 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

31May2009

PROBLEM

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The existing turbochargers may leak exhaust on certain 3512B Locomotive Engines. If the existing turbocharger fails it will leak exhaust between the turbine housing and bearing housing resulting in soot accumulation throughout the engine compartment as well as potential performance degradation.

AFFECTED PRODUCT

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Model	Identification Number
3512B	3ZW00126, 128-129, 144-145, 152, 169, 172, 188, 190, 192, 208-209, 213, 215, 220, 223-227, 247, 249, 251, 253, 256-257, 259, 261-262, 271, 345, 353, 363-364, 366-367, 374, 400-401, 407-409, 420-421, 440, 452-454, 485, 495-496, 508-511, 513-514, 517-518

PARTS NEEDED

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Qty	Part Number	Description
16	5M2894	WASHER-HARD
12	6V1943	BOLT-HIGH TEMP
16	6V6753	BOLT-HIGH TEMP
2	1782439	SEAL AS
8	1888617	BOLT
4	1888618	CLAMP
4	2071382	GASKET-EXHAUST
2	2102540	BELLOWS AS
8	2840753	WASHER
2	2894079	GASKET
2	2972416	HOUSING-TURBINE
8	2986389	SPACER
8	3008579	BOLT-HEX HEAD
8	3102233	NUT-HEX

ACTION REQUIRED

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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%
0-15000 hrs	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 15.0-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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Replace the existing turbocharger turbine housing with new housing P/N 297-2416 and spiral wound seal P/N 289-4079. Also replace exhaust bellows and associated hardware in accordance with the attached images.

***Important Note: Inspect NEW turbine housing for attachment bolt break-through the inner surface of the turbine housing. Do not use any housing that exhibits break-through. Return the part for credit as applicable.