TRANSMISSION ARRANGEMENT 2S7901 - Caterpillar

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.
This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS8889" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
Although this Program is to be administered as described above on the Affected Product, parts should be removed from Parts Stock as soon as possible.
This Revised Service Letter replaces the June 13, 1997 Service Letter. Changes have been made to the Action Required and Parts Disposition.
Termination Date
June 30, 1998Problem
The 7Y1190 Hydraulic Oil Cooler that may crack and leak on certain 375 and 5080 Hydraulic Excavators. The improved 1428193 Hydraulic Oil Cooler needs to be installed in its place.
Affected Product
Model & Identification Number
375 (1JM1-288 6RL46-58 8XG130-263 8WJ1-96 )
5080 (8SL1-93 6XK86 , 6XK91, 6XK104, 6XK108, 6XK135)
Parts Needed
1 - 1428193 Core Assembly - OilAction Required
Affected Product
Replace the 7Y1190 Hydraulic Oil Cooler with new 1428193 Hydraulic Oil Cooler.
Parts Stock
Remove all 7Y1190 Hydraulic Oil Cooler from Parts Stock.
Service Claim Allowances
This is a 8-hour job.
Parts Stock
Submit one claim for all 7Y1190 Hydraulic Oil Coolers removed from Parts Stock.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.