Product Support Program For Resetting The Cross Shaft Bearing Preload On Certain D7G Tractors Caterpillar

NOTE: 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 "PS4739" 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.

NOTE: Existing Dealer Inventory must be reworked before it is delivered to the customer.

NOTE: All machines received after January 1, 1999 should have been reworked before shipment from the factory.

Termination Date

Problem

The bevel gear shaft bearing preload may be set too low on certain D7G Tractors. This can cause premature steering clutch failures, and result in damage to the I.D. of the 9S3955 Steering Clutch Cage(s) in the sealing area due to contact with the hub, as well as destruction of the bearings.

Affected Product
Model & Identification Number

D7G (65V8080-8456, 7MB2518-3150)

Parts Needed

4 - 4M3948 RING-SEAL

NOTE: If done before failure and the seal rings are worn, replace the seal rings.

Action Required

See Special Instructions Form Number REHS0393 "Bearing Preload Procedure For The Bevel Gear Shaft."

NOTE: Use the latest revision for the proper procedure.

Service Claim Allowances

NOTE: This is a 24-hour job.

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.