CARRIER AS 1T2041 - Caterpillar

Caterpillar: Confidential Yellow
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 "PI3890" 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 "PI3890" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
This Revised Service Letter replaces the May 31, 1996 Service Letter. Changes have been made to the Service Claim Allowances.
Completion Date
November 30, 1996Termination Date
May 31, 1997Problem
Some G3616 Engine main bearings have been found to show greater than normal wear. Continued operation on these bearings may result in problems with the bearings and related parts.
Affected Product
Model & Identification Number
3616 (4CG23-26, 4CG28-36, 4CG38, 4CG40-48, 4CG50-52, 4CG55-57)
Parts Needed
9 - 1113378 BearingAction Required
Remove 6I4528 Bearings and replace with 1113378 Bearings.
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
This is a 50-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