PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT CHECK VALVE AND PLUG ASSEMBLY CARTRIDGES AND CHECK/RELIEF VALVES O-RING SEAL ON CERTAIN 14L, M, M2, AND M3 SERIES MOTOR GRADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT CHECK VALVE AND PLUG ASSEMBLY CARTRIDGES AND CHECK/RELIEF VALVES O-RING SEAL ON CERTAIN 14L, M, M2, AND M3 SERIES MOTOR GRADERS

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 can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52984" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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.

TERMINATION DATE

Qty

Replace check valve cartridges 318-3115, 321-6908 and 304-9654 with same part. For the 318-3040, 318-3052 and 318-3036 Check Relief Cartridges replace 6V-5326 O-ring (Image 2) by 471-6294 O-ring or replace 325-2588 Seal Kit by 471-4231 Seal Kit.

Submit one claim for all parts removed from dealer parts stock.