105621-0311 ZEXEL 9 443 611 850 BOSCH AUTOM. ADVANCE MECHANISM 9443611850 1056210311

When reporting the repair, use "PS90797" as the Part Number and "777R" as the Group Number. If administered before failure, use "56" as Warranty Claim Description and "T" as the SIMS Description Code. If administered after failure, use "96" as Warranty Claim Description Code and use "Z" as the SIMS Description Code.
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.
TERMINATION DATE
30Nov2018
PROBLEM
The existing injector harness can experience intermittent faults on certain 797F Off-Highway Trucks. If the existing injector harness fails it can result in extensive downtime attempting to identify and resolve the issue.
AFFECTED PRODUCT
Model Identification Number
797F LAJ00599-00609, 613-617, 620, 622-623
PARTS NEEDED
Qty
Part Number Description
20 4979351 HARNESS AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
Replace the existing injector harnesses with the new 497-9351 Injector Harness for each cylinder. Refer to the Service Manual if/as necessary.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-12000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 4.0-hour job
If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.