A New Shield For The Supplemental Steering Flow Switch Needs To Be Installed On Certain 776C Tractors And 777C Trucks Caterpillar

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 "PI3657" 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 "PI3657" 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

Termination Date

Problem

The supplemental steering flow switch on certain 776C Tractors and 777C Trucks may shut down during the vehicle start-up. A new shield for the supplemental steering flow switch needs to be installed.

Affected Product
Model & Identification Number

776C (2TK76-78)

777C (4XJ77-138, 4XJ141-176, 4XJ178, 4XJ181-185, 4XJ189, 4XJ191-194, 4XJ196-228, 4XJ231, 4XJ233-235, 4XJ238-255, 4XJ257, 4XJ262, 4XJ263, 4XJ287-301, 4XJ310, 4XJ315-317)

Parts Needed

Dealers will need to order parts for this Program.

4 - 9B7237 Bolt

1 - 1088325 Plate Assembly

Action Required

Parts Stock

Remove all 8X7383 Plate Assemblies from Parts Stock.

Affected Product

1. Remove the existing 8X7383 Plate Assembly from the supplemental steering motor by removing 4-4L6454 Bolts and 4-8T4896 Washers.

2. Install the new 108-8325 Plate Assembly in the location where the 8X7383 Plate Assembly was removed. Reuse the 4-8T4896 Washers and use four new 9B7237 Bolts to secure the plate assembly.

Owner Notification

U.S. and Canadian owners will receive the attached Owner Notification.

Service Claim Allowances

Parts Stock

Submit one claim for all 8X7383 Plate Assemblies removed from Parts Stock.

Affected Product

NOTE: This is a 1-hour job.

NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report.

Parts Dispostition

Parts Stock & Affected Product

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