ENGINE AR 2056715 - Caterpillar

August 18, 2001
(Revised October 2001)
U-221
A-151
AU-138
S-100
H-73
O-164
Afterfailure onlyParts stock action needed PRODUCT SUPPORT PROGRAM FOR REPLACINGSEALS IN LEAKING STEERING CONTROL VALVES ON CERTAIN D3C III, D4C III ANDD5C III TRACK TYPE TRACTORS AND 933 AND 939 TRACK TYPE TRACTORS
5051-ZH PS50284
This Program can only be administeredafter a failure occurs. The decision whether to apply the Program is madeby the dealer. When reporting the repair, use "PS50284" as the Part numberand "7755" as the Group Number. Use "96" as the Warranty Claim DescriptionCode and use "Z" as the SIMS Description Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. Although this Program is to be administeredas described above on the Affected Product, parts should be removed fromparts stock as soon as possible. This Revised Service Letter replacesthe August 18, 2001 Service Letter. Changes have been made to the ServiceClaim Allowances.TERMINATION DATE
August 31, 2003PROBLEM
The cover and seals need to be replaced in leakingsteering control valves on certain D3C III, D4C III and D5C III Track TypeTractors and 933 and 939 Track Type Tractors. Machines built with, or reworkedto, the latest steering clutch control valves may develop an oil leak onthe front of the valve around the valve stem.AFFECTED PRODUCT
D3C III 6SL1-Up
7XL1-Up
9TS1-UpD4C III 6YL1-Up
7SL1-Up
1FW1-UpD5C III 9DL1-Up
6ZL1-Up
8ZS1-Up933 8FL1-Up
9EL1-Up939 9GL1-UpDelta 05A10022, 10096, 10097, 10104-10109, 10153-10155,
10226-10234, 10262-10289,10292-10299, 10556-10605,
10893-10904, 11531-11535, 11590, 11591, 12121-12210,
12564-12575PARTS NEEDED
2 - 9H6761 Seal - O-ring
2 - 1K9060 Seal - Lip Type
2 - 1982934 CoverACTION REQUIRED
***** Parts Stock *****Rework all 1468034 and 1468035 Valves fromparts stock.***** Affected Product *****Machines built with the 1468034 and 1468035Valves, reworked under PS4658, or customer or dealer installed should reworkby replacing the 9H6761 Seal - O-ring, 1K9060 Seal, and 1465708 Cover inboth valves if leaks develop in either valve.SERVICE CLAIM ALLOWANCES
***** Parts Stock *****Submit one claim for all 1468034 and 1468035Valves that are reworked from parts stock. (0.5 hours will be allowed foreach valve reworked.)***** Affected Product *****
Machine or Part smu Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-3000 100% 6 0 0 0 0
3001-5000 33 1/3% 3 0 0 0 0
This is a 6-hour job. (0.5 hours willbe allowed for each valve reworked.)PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.