PRODUCT SUPPORT PROGRAM FOR REPLACING THE CRANKSHAFT ON CERTAIN C4.4 INDUSTRIAL ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE CRANKSHAFT ON CERTAIN C4.4 INDUSTRIAL ENGINES

Usage:

TEBE2933-01

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14May2015

(Revised 19Jun2015)

U-238

O-196

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Before/After	PRODUCT SUPPORT PROGRAM FOR REPLACING THE CRANKSHAFT ON CERTAIN C4.4 INDUSTRIAL ENGINES
1202 1204		PS44739

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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 "PS44739" 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 14May2015 Service Letter. Changes have been made to the Affected Product.

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TERMINATION DATE

31May2017

PROBLEM

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The existing piston rod bearings can suffer from inadequate lubricating oil film thickness on certain C4.4 Industrial Engines under certain conditions. This can lead to piston rod bearing failure.

AFFECTED PRODUCT

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Model	Identification Number
C4.4	44801025, 2002, 4648, 4907, 5174, 5509, 6212, 6838-6839, 7097-7098, 7580-7582, 7943, 8029, 8091-8101, 8254, 8284, 8358, 8981 JKT00044

PARTS NEEDED

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Qty	Part Number	Description
1	1B8736	KEY-WOODRUFF
1	7W2326	FILTER AS-OIL
1	0676213	GASKET
4	1857149	BOLT-FLANGE HEAD
1	2256005	GASKET
1	2327449	HOUSING AS
3	2767394	SCREW-BUTTON HD
1	2773013	SEAL-OIL FRONT
1	3199361	GASKET
1	3357585	SEAL
1	3381402	GEAR CRANKSHAFT
1	3398780	DOWEL
1	3447219	SEAL
1	3532324	GASKET-FRONT CVR
1	3538578	GASKET
1	3578722	GASKET
1	3603986	KIT-BEARING
1	3603988	KIT-BEARING
1	3645145	KIT-WASHER
1	3764078	TIMING DISC
1	4664921	CRANKSHAFT
1	BULK_COOLANT	CAT ELC as needed - see OMM
1	BULK_OIL	CAT DEO ULS as needed - see OMM
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 28% 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 crankshaft.

Remove engine from the machine.

Remove the front housing. Refer to KENR9120 Disassembly and Assembly, "Housing (Front) - Remove - Heavy Duty Housing (Front)" for the correct procedure.

Remove the rocker shaft and pushrods. Refer to KENR9120 Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove" for the correct procedure.

Remove the crankshaft rear seal. Refer to KENR9120 Disassembly and Assembly, "Crankshaft Rear Seal - Remove" for the correct procedure.

Remove the crankshaft. Refer to KENR9120, Disassembly and Assembly, "Crankshaft - Remove" for the correct procedure.

Install a new 3645817 Crankshaft Group. Refer to KENR9120, Disassembly and Assembly, "Crankshaft - Install" for the correct procedure.

Install a new oil filter and refill with new oil in accordance with the Operation and Maintenance Manual SEBU8606-01 or higher revision.

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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%
0-4000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 27.5-hour job
Service Claim Allowance includes 8 hours to remove engine from machine, 11.5 hours to replace crankshaft, and 8 hours to refit engine in machine.

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