PRODUCT IMPROVEMENT PROGRAM FOR CHECKING AND MODIFYING THE REGENERATION STATUS ON CERTAIN 966K AND 972K WHEEL LOADERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR CHECKING AND MODIFYING THE REGENERATION STATUS ON CERTAIN 966K AND 972K WHEEL LOADERS

Usage:

REBE7531-00

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19Sep2011

O-344

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR CHECKING AND MODIFYING THE REGENERATION STATUS ON CERTAIN 966K AND 972K WHEEL LOADERS
1901 1900 7451 7490 7620 7610		PI31916

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31916" 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 "PI31916" 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
31Mar2012	30Sep2012

PROBLEM

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The regeneration status needs to be checked and modified (if required), on certain 966K and 972K Wheel Loaders. The regeneration mode at start-up was set for manual regeneration instead of the default regeneration mode for automatic regeneration.

AFFECTED PRODUCT

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Model	Identification Number
966K	PBG00284-00288
972K	PEM00267-00269

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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Refer to the attached Rework Procedure.

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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 CHECKING AND MODIFYING THE REGENERATION STATUS ON CERTAIN WHEEL LOADERS

MODELS INVOLVED - 966K and 972K Wheel Loaders

Dear Caterpillar Product Owner:

The regeneration status needs to be checked and modified (if required), on certain 966K and 972K Wheel Loaders. The regeneration mode at start-up was set for manual regeneration instead of the default regeneration mode for automatic regeneration. 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 19Sep2011 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 19Sep2011 Service Letter

Rework Procedure

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Before starting this procedure ensure that you are equipped with the following components that are needed in case of regeneration status change:

- 171-4400 Communication Adaptor 2 or 317-7484 Communication Adapter 3
- Laptop equipped with a Caterpillar Electronic Technician (Cat ET) license

1. Turn the ignition key switch to the ON position. The Cat Monitoring System will perform a power-up sequence self test. Refer to Image1.1.1.

Image1.1.1

2. Press the down arrow on the Four-Way Navigation Key in order to display other screens in the performance monitor. Refer to Image1.2.1.

The Regeneration Status is the topic displayed on the subsequent screens.

Image1.2.1

3. Ensure that the Regeneration Status is in automatic mode. If Regeneration Status is in manual mode, proceed to Step 4. If the Regeneration Status is in automatic mode, turn the ignition key switch to the OFF position. This will be the end of the procedure. Refer to Image1.3.1.

Image1.3.1

4. Follow these steps if the regeneration mode is in manual mode:

4.1) Connect to Cat ET.

4.2) Select the engine ECM in the configuration view.

4.3) Under "Aftertreatment Configuration", double click on "ARD Manual Disable Status". Change the status from "Disabled" to "Enabled".

Refer to Images1.4.1, 1.4.2, and 1.4.3.