Usage:
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.
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 "PS0514" 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.
NOTE: This Revised Service Letter replaces the August 6, 1991 (Revised January 1992) Service Letter. Changes have been made to include the Affected Product listed in the October 11, 1991 Service Letter Supplement.
Termination Date
August 31, 1992Problem
The existing hydraulic oil cooler core assembly may crack and leak on certain D6H Tractors. A hydraulic oil cooler conversion arrangement can be installed to replace the existing core assembly.
Affected Product
Model & Identification Number
D6H (8KB1-503;4RC2184-2444;6FC624-691;8FC1-3999;1KD1-3999;2KD1-3999;3EDl-3999;2TG417-522;4LG580-933;1FJ1-484)
Parts Needed
- 1 -9B7237 Bolt
- 1 -5C9563 Spacer
- 1 -7C9672 Bracket As.
- 1 -7C9674 Bracket As.
- 1 -7C9676 Tube
- 1 -4D9517 Clip
- 1 -5G9598 Hose As.
- 1 -5G9599 Hose As.
- 1 -5G9601 Tube As.
- 1 -5G9602 Bracket As.
- 1 -5G9603 Spacer
- 4 -4L6454 Bolt
- 2 -2M9780 Seal
- 1 -5M3062 Bolt
- 1 -7N1277 Bracket As.
- 4 -5P1075 Washer
- 4 -5P2424 Bolt
- 1 -5P8167 Bolt
- 4 -1S4305 Washer
- 1 -7S1912 Clip
- 4 -8T2561 Washer
- 1 -8TS8915 Bolt
- 5 -6VS8398 Seal
- 2 -6V8721 Elbow
- 1 -1W0289 Core As.
- 1 -7X0290 Bolt
- 1 -5C9563 Spacer
Action Required
Replace the failed hydraulic oil cooler with the new parts. See the February 19, 1990 Service Magazine article "Conversion Arrangement Available For Hydraulic Oil Coolers" for the location of the parts and the necessary instructions.
Service Claim Allowances
NOTE: This is a 4-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.