PRODUCT SUPPORT PROGRAM FOR REPLACING THE REAR AXLE SHAFT ASSEMBLY ON CERTAIN 434E, 442E, AND 444E BACKHOE LOADERS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE REAR AXLE SHAFT ASSEMBLY ON CERTAIN 434E, 442E, AND 444E BACKHOE LOADERS

Usage:

REBE3616-00

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20Jun2008

D-270

O-296

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR REPLACING THE REAR AXLE SHAFT ASSEMBLY ON CERTAIN 434E, 442E, AND 444E BACKHOE LOADERS
3259 3260 3020		PS51513

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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 "PS51513" 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.

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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.

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TERMINATION DATE

30Jun2012

PROBLEM

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The existing rear axle shaft assembly can fail the u-joint on certain 434E, 442E, and 444E Backhoe Loaders. If the existing axle shaft assembly fails it can be replaced with a new higher capacity shaft assembly.

AFFECTED PRODUCT

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Model	Identification Number
434E	FSH00280-00830, 900-1260
442E	GKZ00290-00511, 600-742
444E	LBE00310-00498, 600-704

PARTS NEEDED

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Qty	Part Number	Description
2	1987822	SEAL
2	1990707	KNUCKLE/HS SEAL
2	3127617	SHAFT AS.
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

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NOTE: When one rear axle shaft fails both rear axle shaft assemblies must be replaced to implement this program.

Refer to the attached Rework Procedure.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-2000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
2001-4000 hrs, 25-48 mo	33.3%	50.0%	0.0%	0.0%	50.0%	50.0%

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NOTE: This is a 8.0-hour job

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PARTS DISPOSITION

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

Rework Procedure

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NOTE: When one rear axle shaft fails, replace BOTH rear axle shaft assemblies.

Refer to the Service Manual as necessary to replace the axle shaft assembly. RENR6475 Disassembly and Assembly 414E, 416E, 420E, 422E, 428E, 430E, 432E, 442E,and 444E Backhoe Loaders Power Train.

1. Remove the rear tires.
2. Remove the rear drive shaft.
3. Remove rear axle.
4. Remove axle housings and wheel flanges.
5. Remove axle shafts and lip seals.
6. Install new lip seals and new axle shafts. Be sure to replace both axle shafts.
7. Reassemble the rear axle and install on machine.
8. Bleed the brakes.
9. Check the machine for proper operation.