Product Support Program For Replacing The Rear Axle Shaft On Certain CP563, CS563 And CS583 Compactors Caterpillar

Product Support Program For Replacing The Rear Axle Shaft On Certain CP563, CS563 And CS583 Compactors

Usage:

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Caterpillar: Confidential Yellow

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 can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0811" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

NOTE: This Revised Service Letter replaces the February 7, 1995 Service Letter. Changes have been made to the Parts Needed, Service Claim Allowances, and Rework Procedure.

Termination Date

February 28, 1997

Problem

The rear axle shaft may fail just inside of the outer bearing on certain CP563, CS563 and CS583 Compactors.

Affected Product
Model & Identification Number

CP563 (1YJ1-556 5AJ1-Up )

CS563 (7GG1-Up 8XF1-1221 4KN1-107 )

CS583 (8YJ1-159 1EL1-Up )

Parts Needed

6 - 2B2006 Bolt

2 - 1G8271 Shim

2 - 9R2410 Retainer Assembly

3 - 9R2419 Kit-Bearing (Use If Required)

1 - 9R2420 Retainer (Use If Required)

3 - 9R2422 Gear (Use If Required)

2 - 9R2495 Seal-O-Ring

2 - 9R6223 Seal

2 - 8S9151 Cup-Roller Bearing

8 - 9S1366 Bolt

2 - 7T6652 Cone-Roller Bearing

2 - 6Y7652 Cup-Roller Bearing

2 - 301957 Cone Bearing

2 - 1177533 Shaft

Action Required

See attached rework procedure.

Service Claim Allowances

NOTE: This is a 20-hour job. The additional labor time is to allow for disassembly, inspection, and assembly of the planetary gears.

NOTE: Reasonable salvage labor for machining the two axle housings is allowable above and beyond the 20 hours.

NOTE: If there has been a previous repair, part age will apply. Retain a copy of the previous repair in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.

Parts Disposition

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

Attach.

(1-Rework Procedure)

Rework Procedure

1. Remove the axle assembly from the machine.

2. Remove the axle shafts.

3. Remove the axle trumpet housings from the axle assembly.

4. Remove the bearing races from the housings.

NOTE: The mating 9R2423 Carrier Assembly for the axle shaft that failed should be disassembled and the gear teeth of the three 9R2422 Gears magnafluxed and inspected for cracks. If cracks are found on any one of the three gears, then all three gears should be replaced.

5. Machine the housing to the specifications shown in Illustration 1. This provides increased clearance for the new, larger diameter axle shafts.

6. Assemble the axle with new bearings, seals and shafts following the procedures provided in the Disassembly and Assembly Manual, KENR 1627-01.

NOTE: Update axle ring gear bolts by following the information shown in Illustration 2.

7. Install the assembled axle in the machine frame and tighten the axle retainer bolts as shown in Illustration 3. The inch bolts need to be tightened to a torque of 408 N·m (300 lb ft) and the inch bolts need to be tightened to a torque of 238 N·m (175 lb ft).

8. After axle is assembled, refer to Service Manual, KENR1583-01, for checking the operation of the No-Spin Differential.

Illustration 1