FILM-IDENTIFICATION 2911607 - Caterpillar

May 29, 1999
(Revised December 2002)
U-150
A-123
AU-103
S-88
H-58
O-132
beforeor
after failure PRODUCT SUPPORT PROGRAMFOR INSTALLING LIFT CYLINDER LINES HOSES GUARD GROUP ON CERTAIN D8K TRACK-TYPETRACTORS
7167 PS4881
This Program can be administered eitherbefore or after failure. In either case the decision whether to apply theProgram is made by the dealer. When reporting the repair, use "PS4881"as the Part number and "7755" as the Group Number. If administered beforefailure, use "56" as the Warranty Claim Description Code and use "T" asthe SIMS Description Code. If administered after failure, use "96" as theWarranty Claim Description Code 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. This Revised Service Letter replacesthe May 29, 1999 Service Letter. A change was made to the Termination Date.Termination Date
May 31, 2005PROBLEM
Installation of the 168-4428 Lift Cylinder LinesKit on D8K Track-Type Tractors in accordance with PI1406 exposes 2 hoseassemblies to the outside of each lift cylinder. Even though these hoseassemblies are made with XT-3 ES Hose which is 25 times more abrasion resistantthan standard XT-3 Hose, some customers may desire guards for use in certainapplications.AFFECTED PRODUCT
Model Identification Number
D8K 66V641-6328, 75172-75196, 76672-76676
D8K 76V381-1034, 75172-75184, 75472
D8K 77V641-18848, 75172-75433, 78072-78101, 78172-78175,78178-78193, 78195PARTS NEEDED
Quantity Part Number Description
4 4L6454 BOLT
6 8T4223 WASHER-PLATE
4 8T4896 WASHER
2 7X0335 BOLT
4 7X0337 BOLT
1 1766655 GUARD
1 1766657 GUARD
4 1767137 BRACKETACTION REQUIRED
Use the section "Installation Procedure and FabricationDrawings For The Optional Lift Cylinder Hose Guard For D8K Track-Type Tractors"in Special Instruction REHS0390 to add the 176-7346 Guard Group to a tractor.These special lift cylinder lines guards are not advantageous for all machineapplications and therefore are optional. Make sure that REHS0390-03 or latteris used for D8K Tractor installations.SERVICE CLAIM ALLOWANCES
Product smu/age whichevercomes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-Up Hours 0-Up Months 66.7% 0 0 0 25% 0
This is a .4-hour job. If the dealerchooses to fabricate the guards instead of buying the parts, a total of$87 US will be allowed toward the cost of labor, materials, and parts.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.