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 must be administered as soon as possible. When reporting the repair, use "PI3000" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI3000" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
Completion Date
January 31, 1998Termination Date
July 31, 1998Problem
The internal roll pin may break in the 1365912 Lever Assembly on certain 793C Trucks. The roll pin is what positions the internal detents to the sensor position that activate the hoists valve properly. If the roll pin breaks, the detents are not able to position the sensor and the hoist system may become inoperable.
Affected Product
Model & Identification Number
793C (4AR77-164)
Parts Needed
Dealers will need to order parts for this Program.
Action Required
Remove the 1368458 Hoist Lever Cover. Remove the 1365912 Lever Assembly. Install the new 1457418 Lever Assembly. Install new 1368458 Cover (see Illustrations). Check for proper detent action before returning the truck to service.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
NOTE: This is a 2-hour job.
NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
NOTE: MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach.
- (1-Owner Notification)
Copy Of Owner Notification For U.S. And Canadian Owners
