Usage:
NOTE: 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.
NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI3561" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI3561" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code and "Z" as the SIMS Description Code.
Completion Date
May 31, 1992Termination Date
November 30, 1992Problem
The wheel bearing retaining bolts need to be tightened to correct torque on certain 834B Tractors and 988B Loaders.
Affected Product
Model & identification Number
834B (92Z485, 92Z486)
988B (50W10858-10884, 50W10887-10889, 50W10891-10924)
Parts Needed
Not Applicable
Action Required
Raise the wheel until it is off the ground.
Follow the procedures in the Service Manual to remove the axle.
Tighten the 1A8537 Bolts to a torque of 275 ± 15 N·m (200 ± 10 lb ft).
Install the axle as described in the Service Manual and lower the wheel to the ground.
Repeat the above steps for each remaining wheel.
Make sure that the oil level in each of the final drives is correct. See the Operation and Maintenance Manual
Owner Notification
U.S. and Canadian owners will receive the attached Owner Notification.
Service Claim Allowances
NOTE: This is a 6-hour job.
NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
NOTE: MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
- (1-Owner Notification)
Attach.
Copy Of Owner Notification For U.S. And Canadian Owners
