SHAFT 0981526 - Caterpillar

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 "PS4985" 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.
Termination Date
December 31, 2000Problem
The 1528748 Coupler Group - Quick, may seize and needs to be replaced on certain 301.5 Compact Excavators. The 1536194 Lock Assembly may seize and/or the 1535336 Coupler may loosen. The quick coupler needs to be replaced.
Affected Product
Model & Identification Number
301.5 (3YW310-1334)
Parts Needed
1 - 1528748 Coupler Group - QuickAction Required
Replace the existing 1528748 Coupler Group with the newer designed 1528748 Coupler Group. The new engineering change level of the quick coupler can be most easily identified by the addition of the two grease nipples on the castings. These nipples are located at end of the castings, near the follower.
Parts Stock
Remove all former design 1528748 Coupler Group - Quick from Parts Stock.
Service Claim Allowances
This is a 0.5-hour job.
Parts Stock
Submit one claim for all former design 1528748 Coupler Group - Quick removed from Parts Stock.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.