LEVER-CONTROL 4N1763 - Caterpillar

U-640
A-529
D-544
O-583
After Failure Only
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CONTROL VALVE GROUP ON CERTAIN 793D OFF HIGHWAY TRUCKS
5051 5070 5455 PS51607
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 "PS51607" as the Part Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
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.
TERMINATION DATE
31Dec2010
PROBLEM
The 271-2992 Pump was released into production without an adjustable high pressure cutoff control to limit max fan speed within a fixed setting tolerance on certain 793D Off Highway Trucks.
AFFECTED PRODUCT
Model Identification Number
793D FDB00407, 410-411, 413-417, 419-633
PARTS NEEDED
Qty
Part Number Description
1 2156758 VALVE GP
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
Replace the control valve group on the pump with a 215-6758 Valve Group. Refer to the Disassembly and Assembly Manual, RENR8332, 793D Off-Highway Truck Machine Systems.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-24000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 6.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.