PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING NEW ENGINE SOFTWARE ON CERTAIN 793F OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING NEW ENGINE SOFTWARE ON CERTAIN 793F OFF-HIGHWAY TRUCKS

Usage:

REBE6549-00

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13Oct2010

U-418

A-335

D-360

O-364

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING NEW ENGINE SOFTWARE ON CERTAIN 793F OFF-HIGHWAY TRUCKS
7620 1902		PI31811

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31811" 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 "PI31811" 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
30Apr2011	31Oct2011

PROBLEM

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The engine software needs to be updated on certain 793F off-highway trucks with low altitude engines.

The new software reduces turbocharger speeds at altitudes above 2286 m (7500 ft). Reduction of the turbocharger speed helps prevent failure.

The new software has been installed on all 793F low altitude engines with serial number B7B00250 and up.

AFFECTED PRODUCT

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Model	Identification Number
793F	SSP00112-00219

PARTS NEEDED

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Qty	Part Number	Description
1	3664966	SOFTWARE GP-ELEK
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 43% 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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Flash the engine ECM with 366-4966 software or newer.

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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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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

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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 INSTALLING NEW ENGINE SOFTWARE

MODELS INVOLVED - 793F Off-highway trucks

Dear Caterpillar Product Owner:

The engine software needs to be updated on the products listed below.

The new software reduces turbocharger speeds at altitudes above 2286 m (7500 ft). Reduction of the turbocharger speed helps prevent failure. 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 13Oct2010 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 13Oct2010 Service Letter