PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE ARD COOLANT LINES AND CLIPPING ON CERTAIN D8T TRACK-TYPE TRACTORS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE ARD COOLANT LINES AND CLIPPING ON CERTAIN D8T TRACK-TYPE TRACTORS

Usage:

REBE7602-02

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24Oct2011

(Revised 17Sep2012)

U-457

A-393

D-425

O-405

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE ARD COOLANT LINES AND CLIPPING ON CERTAIN D8T TRACK-TYPE TRACTORS
1380		PI31937

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31937" 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 "PI31937" 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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NOTE:	This Revised Service Letter replaces the 24Oct2011 (Revised 02Dec2011) Service Letter. Changes have been made to the Mail Codes.

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COMPLETION DATE	TERMINATION DATE
30Apr2012	31Oct2012

PROBLEM

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The ARD coolant lines need to be inspected and new clip retainer installed on certain D8T Track-Type Tractors. The existing lines can wear and leak.

AFFECTED PRODUCT

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Model	Identification Number
D8T	FCT00116-00281 MLN00301-00397

PARTS NEEDED

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Qty	Part Number	Description
1	9X2480	BOLT-HEX HEAD
1	1164415	PLATE
1	3740635	TUBE AS - If Required
1	3740636	TUBE AS - If Required
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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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
1.0 additional hour labor will be allowed if cooling lines require changing.

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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 THE ARD COOLANT LINES AND CLIPPING ON CERTAIN D8T TRACK TYPE TRACTORS

Dear Caterpillar Product Owner:

The ARD coolant lines need to be inspected and new clip retainer installed on the products listed below. The existing lines can wear and leak. 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 24Oct2011 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 24Oct2011 Service Letter

Rework Procedure

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Remove LH rear engine enclosure panel. Locate nylon clip on ARD Head Coolant Lines and remove bolt. Discard bolt but retain washer for reuse. Inspect 374-0636 Coolant Line to insure it is not resting on engine block. Inspect 374-0635 Coolant Line to ensure it does not contact rear panel.

Image1.1.1

Adjust 374-0636 Coolant Line to ensure it has 15mm clearance from engine block, and adjust rear coolant line (374-0635) to ensure it does not contact rear panel. Install 116-4415 Plate over nylon clip using 9X-2480 Bolt and washer. Tighten to 5 Nm. Install LH rear engine enclosure panel.