PRODUCT SUPPORT PROGRAM FOR REPLACING THE ECM BRACKET ASSEMBLIES ON CERTAIN 797F OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE ECM BRACKET ASSEMBLIES ON CERTAIN 797F OFF-HIGHWAY TRUCKS

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS45660" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7755" as the Group Number, "56" as the Description Code.

Although this Program is to be administered as described above on the Affected Product, parts should be removed from parts stock as soon as possible.

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 Revised Service Letter replaces 27Oct2017 Service Letter. Changes have been made to the Termination Date and the Affected Product.

TERMINATION DATE

Qty

Rework the following engines in dealer parts stock and/or dealer exchange inventory:
797F Engine Arrangements: 2621300, 2822060, 2863503, 3981020, 3300200, 2863503, 3601647, 3659323, 3659326, 3659327, 3659328, 3659329, 4170588, 4188764, 4213013, 4213014, 4233501, 4233502, 20R1363, 20R1494, 20R1495, 20R1496, 20R4668
Service Replacement C175-20 Engines with a LLM, A4K, ZK3, HN4 prefix.

Replace the existing ECM bracket assemblies and install the series isolation mount system. Refer to Special Instruction, M0078251.

Refer to Service Magazine, M0080940 for the installation of the 5078846 Wiring Harness Retainer Clips.

Submit one claim for each engine reworked in dealer parts stock and/or dealer exchange inventory.

The parts listed in the Parts Needed and 2 hours will be allowed for each engine that is reworked in dealer parts stock and/or dealer exchange inventory.

NOTE: Include engine serial number in additional comments field of the claim.

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.