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 "PS4641" as Part Number "7755" as Group Number, and "96" as Description Code.
NOTE: 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
October 31, 1992Problem
The 9V7447 Pad Assemblies on the 6W2519 and 6W2520 Arm Cushion Assemblies may crack in the "groove" around the outside of the arm rest on certain 225D, 231D, 235C, and 245B Excavators and 227 Loggers. The new pad assemblies have a radius shaped outline. See illustration.
Affected Product
Model & Identification Number
225D (2SJ1-438)
227 (10W1-533)
231D (1NK1-133)
235C (5AF1-1114; 3WG1-230)
245B (6MF1-513)
Parts Needed
- 2 - 9V7447 Pad Assembly
Action Required
Parts Stock
Remove all 9V7447 Pad Assemblies having the former design groove from parts stock. Rework all 6W2519 and 6W2520 Cushion Assemblies in parts stock by removing the 9V7447 Pad Assemblies having the former design groove and replacing them with pad assemblies with the new design. Refer to illustration.
Affected Product
Tilt back the 6W2519 and 6W2520 Cushion Assemblies having the former design groove to provide access to the mounting bolt. Replace the pad assemblies having the former design groove with new 9V7447 Pad Assemblies having the new design groove.
Service Allowances
Parts Stock
Submit one claim for all 9V7447 Pad Assemblies removed from parts stock and removed from reworked 6W2519 and 6W2520 Cushion Assemblies in parts stock.
Affected Product
NOTE: This is a 1-hour job.
Parts Dispoisition
Handle parts in accordance with your Warranty Bulletin on warranty parts handling.