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 "PS0561" 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: 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
January 31, 1993Problem
The window crank mechanism in the LH door of the cab may bind or stick on certain 772B Tractors; and 769C and 773B Trucks.
Affected Product
Model & Identification Number
769C (01X5474-5913)
772B (63W3297-3567)
773B (64W181-188)
Parts Needed
1 - 8Y6350 Regulator
Action Required
Parts Stock
Remove all 8Y4808 Regulators from parts stock.
Affected Product
Replace the existing 8Y4808 Regulator with a new 8Y6350 Regulator.
Service Claim Allowances
Parts Stock
Submit one claim for all 8Y4808 Regulators removed from parts stock.
Affected Product
NOTE: This is a 1-hour job.
Parts Disposition
Parts Stock & Affected Product
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.