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 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 "PS4798" 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.
Termination Date
August 31, 1993Problem
The service life of the water pump in the water spray group is not as long as desired on certain CB434 Compactors.
Affected Product
Model & Identification Number
CB434 (3TF1-145)
Parts Needed
- 2 - 1G5379 Angle
- 10 - 1P4278 Clamp
- 2 - 5P4412 Tee
- 2 - 6R2383 Pump Group
- 4 - 6R4076 Fitting
- 2 - 7R2850 Plate
- 10 - 1P4278 Clamp
Action Required
Install the water spray group water pump assembly and related parts as described in the July 8, 1991 Service Magazine Article "New Water Pump Assembly Used in Water Spray Group."
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.