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 "PS8022" 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
March 31, 1994Problem
The number-two fuel injection line on certain 775B Trucks and 992D Loaders may fail.
Affected Product
Model & Identification Number
775B (7XJ76-102)
992D (7MJ50-121, 7MG123)
Parts Needed
Action Required
See attached rework procedure.
Service Claim Allowances
NOTE: This is a .5-hour job.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Attach. (1-Rework Procedure)
Rework Procedure
1. Using 2 - 5P4939 Screw Assemblies, install 1 - 9Y3357 Clamp and 1 - 1029228 Clamp Assembly on the number 2 and number 6 fuel lines. Tighten the screws to a torque of 2.25 ± .25 Nm (20 Lb. in.). Refer to Illustration 1.
2. Remove the existing 2 - 1W9169 Clamps, 2 - 9N3388 Screws, 2 - 1W9167 Clamp Assemblies, 2 - 4B4274 Washers and 1 - 9Y7524 Plate on the number 2 and number 8 fuel lines. Refer to Illustration 2.
Illustration 1
Illustration 2