PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAN DRIVE BEARINGS ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS WITH 2000 - 2500 HOURS (THIS IS AN INTERIM REPAIR PROGRAM.) Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAN DRIVE BEARINGS ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS WITH 2000 - 2500 HOURS (THIS IS AN INTERIM REPAIR PROGRAM.)

Usage:

REBE4363-03

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13Oct2008

(Revised 13Apr2009)

U-521

A-432

D-438

O-479

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAN DRIVE BEARINGS ON CERTAIN 773F AND 775F OFF-HIGHWAY TRUCKS WITH 2000 - 2500 HOURS (THIS IS AN INTERIM REPAIR PROGRAM.)
1359		PS42806

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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 "PS42806" 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 13Oct2008 (Revised 26Mar2009) Service Letter. Changes have been made to the Title and the Action Required to prevent Dealers from replacing the bearings prior to 2000 hours. Affected Product have also been added.

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TERMINATION DATE

31Oct2009

PROBLEM

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The existing fan drive bearings can fail on certain 773F and 775F Off-Highway Trucks. If the existing fan drive bearing fails it can cause engine vibration, excessive noise, or may damage the fan drive shroud.

AFFECTED PRODUCT

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Model	Identification Number
773F	EED00273-01016
773F OEM	EXD00100-00107
775F	DLS00275-01038

PARTS NEEDED

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Qty	Part Number	Description
1	2S3230	GREASE-HSBB
1	3L1425	BEARING-BALL
1	5S2106	SEAL-LIP TYPE
1	8H9789	BEARING-BALL
1	9F4446	SEAL-O-RING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 9% 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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This is an interim corrective action only that effects machines configured with a standard fan drive. It does not affect machines equipped with a Rockford fan drive. Replace Bearings with like parts at 2000-2500 hour intervals until a permanent corrective action is available.

Refer to the Service Manual as necessary. Replace the 3L1425 Bearing, 8H9789 Bearing, 5S2106 Lip Seal, and 9F4446 O-ring Seal. Pack with 2S-3230 Cat High Speed Ball-Bearing Grease. Refer to Media Number RENR8278 for disassembly and assembly of the fan drive.

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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%
0-6000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 3.0-hour job

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PARTS DISPOSITION

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NACD Dealers: These parts will need to be returned. A Parts Return Request will be issued through Send-It-Back after the claim is filed.

All Other Dealers: Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.