PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING, IF NECESSARY, THE AIR INLET ELBOW ON CERTAIN 973C TRACK-TYPE LOADERS THAT ARE EQUIPPED WITH STEEL MILL ARRANGEMENT Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING, IF NECESSARY, THE AIR INLET ELBOW ON CERTAIN 973C TRACK-TYPE LOADERS THAT ARE EQUIPPED WITH STEEL MILL ARRANGEMENT

Usage:

REBE6319-00

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02Sep2010

U-357

A-281

D-306

O-311

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING, IF NECESSARY, THE AIR INLET ELBOW ON CERTAIN 973C TRACK-TYPE LOADERS THAT ARE EQUIPPED WITH STEEL MILL ARRANGEMENT
1087		PI31797

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31797" 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 "PI31797" 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:

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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COMPLETION DATE	TERMINATION DATE
31Mar2011	30Sep2011

PROBLEM

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The air inlet elbow needs to be inspected and replaced, if necessary, on certain 973C Track-Type Loaders that are equipped with steel mill arrangement. The existing air inlet elbow can degrade faster than expected due to the hot environment. If the air inlet elbow fails, it can cause the turbo to fail.

AFFECTED PRODUCT

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Model	Identification Number
973C	LDX00199, 201, 205-206, 237, 241-243, 250, 252, 254, 259, 274, 277-278, 288, 302, 313, 317, 322-323, 334, 340, 349, 356-360, 363, 373, 375-376, 379, 382, 397, 404, 406-407, 418-419, 422, 428, 435, 441, 443, 449, 452, 456, 460, 463, 465, 467-468, 480, 487, 490, 492, 496, 500, 502, 504-507

PARTS NEEDED

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Qty	Part Number	Description
1	2574957	ELBOW AS.
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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NOTE: This is an interim corrective action until a permanent corrective action is implemented.

Inspect the machine's hour meter. If the machine has over 500 hours, replace the 257-4957 Air Inlet Elbow (2) with a new air inlet elbow of the same part number. The air inlet elbow is part of the 280-1875 Air Lines Group. Refer to Image 1.

If the machine does not have 500 hours, monitor the machine's hours and replace the air inlet elbow when the machine has 500 hours.

Using the part hours, continue to replace the air inlet elbow every 500 hours until the Permanent Repair is released or this program is terminated.

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Image1

OWNER NOTIFICATION

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

SERVICE CLAIM ALLOWANCES

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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 0.5-hour job
NOTE: The 0.5 hours is allowed to inspect the hours on the air inlet elbow. An additional 1.5 hours will be allowed if the elbow is replaced. NOTE: Using the part hours, continue to replace the air inlet elbow every 500 hours. Submit a new claim against this service letter program each time the air inlet elbow is replaced.

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PARTS DISPOSITION

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

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

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

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REPLACING, IF NECESSARY, THE AIR INLET ELBOW

MODELS INVOLVED - 973C Track-Type Loaders that are Equipped with Steel Mill Arrangement

Dear Caterpillar Product Owner:

The air inlet elbow needs to be inspected and replaced, if necessary, on the products listed below. The existing air inlet elbow can degrade faster than expected due to the hot environment. 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 02Sep2010 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to 02Sep2010 Service Letter