PRODUCT SUPPORT PROGRAM FOR REWORKING THE 177-0274 GEAR PUMP GROUP ON CERTAIN 769D, 771D, 773D, 773E, 775D, 775E, AND 777D OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING THE 177-0274 GEAR PUMP GROUP ON CERTAIN 769D, 771D, 773D, 773E, 775D, 775E, AND 777D OFF-HIGHWAY TRUCKS

Usage:

REBE5458-00

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11Nov2009

U-384

A-313

D-342

O-343

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REWORKING THE 177-0274 GEAR PUMP GROUP ON CERTAIN 769D, 771D, 773D, 773E, 775D, 775E, AND 777D OFF-HIGHWAY TRUCKS
5073		PS51756

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NOTE:

This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS51756" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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

30Nov2011

PROBLEM

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The existing lip seals in the 177-0274 Gear Pump Group may fail on certain 769D, 771D, 773D, 773E, 775D, 775E, AND 777D Off-Highway Trucks. The seals in this pump, for the secondary steering/brake release, may not be sufficient for the system pressures. Failure of the seals can result in leaks and unwanted downtime.

AFFECTED PRODUCT

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Model	Identification Number
769D	5SS00069-00464, 600-652 5TR00069-01054 BBB00069-00806
771D	6JR00071-00309, 76001, 76003 6YS00071-00283, 400-441, 76001-76002 BCA00071-00565
773D	7CS00073-00622, 800-1005, 7368, 7443-7445, 76001, 80001 7ER00073-00971 7FZ00073-00227 BGL00073-00259 NBJ00200-00421
773E	ASK00101-00105 BDA00073-01249
775D	6KR00075-00380, 76001-76003 8AS00075-00357, 500-631, 48538, 76001-76002
775E	BEC00075-00850
775E OEM	DTE00101-00127, 501-520, 39001-39020
777D	3PR00078-01126, 75001-75005, 75007-75008 6XZ00077-00106 AGC00077-00569, 700-2547, 75002 DCB00077-00287, 32223 FKR00022, 200-478
777DHA	2YW00077-00105 AGY00077-00080

PARTS NEEDED

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Qty	Part Number	Description
1	3477886	KIT-SEAL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% 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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Reference Gear Pump in SENR1422 Disassembly and Assembly Manual to replace seal kit on the secondary steering/brake release pump group for 769D and 771D Off-Highway Trucks.

Reference Electric Drive Pump in SENR1584 Disassembly and Assembly Manual to remove and install the Electric Drive Pump, and reference Gear Pump in SENR1421 Disassembly and Assembly Manual to replace the seal kit on the secondary steering/brake release pump group for 773D, 775D, 773E, and 775E Off-Highway Trucks.

Reference Gear Pump in SENR6926 Disassembly and Asssembly Manual to replace seal kit on the secondary steering/brake release pump group for 777D Off-Highway Trucks.

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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%
0-10000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%