BRUSH-SM 9U6862 - Caterpillar

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.
This Program must be administered as soon as possible. When reporting the repair, use "PI3100" 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 "PI3100" 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
June 30, 1998Termination Date
December 31, 1998Problem
The bolts that attach the torque converter to the converter housing may not have been tightened to the proper torque on certain 777D, 785B, and 789B. The tightness of these bolts needs to be checked.
Affected Product
Model & Identification Number
777D (3PR478-564, 3PR566-636, 3PR638, 3PR640, 3PR642-653, 3PR658, 3PR660-662)
785B (6HK792-825, 6HK827-835, 6HK844-846, 6HK848)
789B (7EK640, 7EK642, 7EK646-653, 7EK659, 7EK660)
Parts Needed
Not applicable.
Action Required
Check the torque of the-10 bolts that hold the torque converter to converter housing. The bolts are in a circle around the torque converter output shaft just behind the yoke.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
This is a 1-hour job.
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.
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