PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION OF THE CENTER STEERING ARM CASTINGS ON CERTAIN 797 AND 797B OFF HIGHWAY TRUCKS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION OF THE CENTER STEERING ARM CASTINGS ON CERTAIN 797 AND 797B OFF HIGHWAY TRUCKS

Usage:

REBE3330-03

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27Mar2008

(Revised 01Dec2008)

U-151

A-120

D-113

O-134

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Safety Parts stock action needed	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION OF THE CENTER STEERING ARM CASTINGS ON CERTAIN 797 AND 797B OFF HIGHWAY TRUCKS
4305		PI10668

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI10668" as the Part Number and "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 "PI10668" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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NOTE:	This Revised Service Letter replaces the 27Mar2008 (Revised 19May2008) Service Letter. Changes have been made to Action Required.

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PROBLEM

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The Center Steering Arm needs to be inspected on certain 797 and 797B Off Highway Trucks. The existing Center Steering Arm may develop a crack and fail which can cause or may result in personal injury or death.

AFFECTED PRODUCT

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Model	Identification Number
797	5YW00193-00277
797B	JSM00123-00339

PARTS NEEDED

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Qty	Part Number	Description
6	8W5396	SHIM
1	2566145	PIN
2	2566147	BEARING
1	2938689	ARM - CENTER
In Order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% 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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****Parts Stock ****

Inspect all 293-8689 Center Steering Arms in parts inventory to locate and document for tracking purposes the 293-8689 Center Steering Arm castings identified on the list of Casting "NUMERALKOD"s and Casting Serial Numbers provided. Identify these parts by plainly marking them and if it is necessary to install one of the suspect parts because no other parts are available, see the Action Required for the affected product.

****Affected Product****

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Inspect all machines to locate and document for tracking purposes the corresponding Machine Serial Number of the 293-8689 Center Steering Arm castings identified on the list of Casting "NUMERALKOD"s provided.

If a 293-8689 Center Steering Arm casting listed is identified and is in service on a machine, visually inspect it for cracks. Use dye penetrant to confirm the presence of any suspected cracks. If a crack is confirmed remove the part from service immediately, refer to the machine Disassembly and Assembly manual for instructions.

If a 293-8689 Center Steering Arm listed is identified, is in service on a machine and no cracks are present, continue to inspect that part for cracking every 500-part hours. If this part is covered by an existing PCR program or local MARC, the existing part can remain in use until it achieves normal wear-out criteria as set forth in these programs, as long as it remains crack-free. If the part is not covered by either of the aforementioned programs, and continues to exhibit no cracking, it's replacement due to wear, will be dictated by the criteria established in SEBF8271 Salvage and Reuse Guide.

Report all 293-8689 Center Steering Arms from the list of Casting "NUMERALKOD"s provided that are located using the reporting format provided which includes the corresponding Machine Serial Numbers or storage location and corresponding Casting Serial Number to Decatur Off Highway Truck Product Support at 217-475-5795.

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OWNER NOTIFICATION

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U.S. and Canadian owners will receive the attached Owner Notification.

SERVICE CLAIM ALLOWANCES

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****Parts Stock****

Submit one claim for all parts removed from dealer parts stock.

****Affected Product****

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Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
100%	100%	0%	0%	0%	0%

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NOTE: This is a 1.0-hour job
Note: 1 hour labor and no parts are allowed for inspections only. Claims for repeat inspections at the recommended interval will be allowed. Note: Include the Casting "NUMERALKOD"s and Casting Serial Numbers on all claims regardless of action taken. Note: A maximum of an additional 35 hours labor and the parts shown in the Parts Needed table will only be allowed for replacement of a cracked part identified from the list provided.

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PARTS DISPOSITION

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****Parts Stock****

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

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****Affected Product****

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

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COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION OF THE CENTER STEERING ARM CASTINGS ON CERTAIN 797 AND 797B OFF-HIGHWAY TRUCKS

MODELS INVOLVED - 797 and 797B Off-Highway Trucks

Dear Caterpillar Product Owner:

The Center Steering Arm needs to be inspected on the products listed below. The existing Center Steering Arm may develop a crack and fail which can cause or may result in personal injury or death. You will not be charged for the service performed.

Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

Please refer the dealer to their Service Letter dated 27Mar2008 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed for your added safety and satisfaction.

Caterpillar Inc.

Identification #(s)

Attached to 27Mar2008 Service Letter