PLUG-THRD & 9U7107 - Caterpillar

January 29, 2003
U-37
A-29
D-30
O-34
beforeor
after failure PRODUCT SUPPORT PROGRAM FOR REPLACINGTOP COVER RETAINING BOLTS ON CERTAIN 793B AND 793C OFF HIGHWAY TRUCKS
10631071 PS41254
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 "PS41254"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.TERMINATION DATE
January 31, 2005PROBLEM
The Aftercooler Core Top Cover Retaining boltsmay fail and need to be replaced on certain 793B and 793C Off Highway Trucks.Failure of the retaining bolts results from boost pressure cycles.AFFECTED PRODUCT
Model Identification Number
793B 1HL1-Up (with 2102582Aftercooler Core)
793C 4AR1-Up (with 2102582Aftercooler Core)4GZ1-Up (with 2102582 Aftercooler Core)ATY1-Up (with 2102582 Aftercooler Core)PARTS NEEDED
Qty
Part Number Description
20 5K2232 SPACER
20 0L2070 CAP SCREWACTION REQUIRED
Remove the former 0S1571 Bolt and 5M2894 Washer.
Spot face the top of the bolt holes on the 214-6008Covers on center to the diameter of 26+/-1 mm keeping the spot face surfaceparallel with the bottom sealing face of the covers.
Install the new 0L2070 Bolt, 5M2894 Washer, andthe new 5K2232 Spacer.
Torque bolts to standard torque 47+/-9 N.M.(35+/-7lb ft).
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-10000 100% 3.0 0 0 0 0
This is a 3.0?hr job.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.