SHOE-TRACK MASTER 3985282 - Caterpillar

This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4648" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS 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.
Termination Date
December 31, 1999Problem
The rear axle bolted joints need to be reworked on certain 826G Compactors and 9 Gosselies built 980G Custom Product Landfill Machines. In certain applications, the rear axle pinion housing to differential carrier bolted joint and/or the trunnion thrust plate to trunnion bolted joint may work loose under load.
Affected Product
Model & Identification Number
826G (7LN1-450)
980G (9CM615, 9CM735, 9CM780, 9CM1012, 9CM1039, 9CM1069, 9CM1096, 9CM1134, 9CM1177)
Parts Needed
1 - 8F5900 Seal - O-ring16 - 5P8247 Washer10 - 5P8248 Washer1 - 6V6640 Sealant16 - 1608509 Bolt (M16)10 - 1608510 Bolt (M20)Action Required
Affected Product
See the attached Rework Procedure.
Parts Stock
Rework all 1098941 Differential Bevel Gear Group from Parts Stock. See the attached Rework Procedure.
Service Claim Allowances
Affected Product
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Attach.(1-Rework Procedure)Rework Procedure
The problem and rework is confined to the rear oscillating axle only. Parts Stock rework is confined to the 1098941 Rear Differential And Bevel Gear Group - no spin only.
For the Affected Product rework, follow the complete rework procedure Steps 1 through 15. For Parts Stock rework, follow Steps 3 through 9.
For all rework, refer to the instructions in the Power Train Disassembly and Assembly Service Manual SENR1330. For parts reference, refer to the 1098939 Axle Arrangement - Oscillating and the 1098941 Differential Group - No Spin in Parts Manual SEBP2406.
1. Remove the rear axle arrangement from the machine following the instructions in the Disassembly and Assembly Service Manual.2. Remove the drive shaft yoke and front support from the differential pinion shaft housing following the instructions in the Disassembly and Assembly Service Manual. Inspect the front support bearing sleeve and seals. Replace if damaged.3. Place the rear axle housing assembly on wood blocks with the differential pinion facing upward. (For Parts Stock rework, place the differential and bevel gear group in a repair stand with the differential pinion facing upward.)4. Remove and discard the sixteen 6V5686 Bolts and washers holding the differential pinion shaft housing to the bevel gear group carrier assembly.5. Remove two bolts (180 degrees apart) that hold the seal retainer to the pinion shaft housing. Install two M10 forged eyebolts in their place. Fasten a hoist to the eyebolts.6. Install two M16 forcing screws in the pinion shaft housing mounting flange. Loosen the pinion shaft housing from the bevel gear group carrier assembly. Remove the pinion shaft housing assembly as