SHIELD AS 8N1616 - 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 "PI3053" 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 "PI3053" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
Refer to your Warranty Bulletin for detailed information with regard to Product Improvement Programs.
Completion Date
February 28, 1998Termination Date
August 31, 1998Problem
The air fuel ratio control was not set correctly at the factory and needs to be reset to the proper specifications.
Affected Product
Model & Identification Number
3406C (8PN11761-11810)
Parts Needed
Dealers will not need to order parts for this Program.
Action Required
For 350 HP Engines with Performance Specifications 2T9418 or 2T9219:
- The current setting is +0.030 mm, but should be reset to -0.80 mm.For 425 HP Engines with Performance Specifications 2T9420 or 2T9421:
- The current setting is +0.030 mm, but should be reset to -0.50 mm.Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
Labor Hour Breakdown 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)(2-Rework Procedure)Copy Of Owner Notification For U.S. And Canadian Owners