PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 146-7359 AFTERCOOLER WATER TUBE ON CERTAIN 797B OFF-HIGHWAY TRUCKS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 146-7359 AFTERCOOLER WATER TUBE ON CERTAIN 797B OFF-HIGHWAY TRUCKS

Usage:

REBE4299-02

Show/hide table

11Sep2008

(Revised 06Oct2008)

U-466

A-380

D-388

Show/hide table

*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 146-7359 AFTERCOOLER WATER TUBE ON CERTAIN 797B OFF-HIGHWAY TRUCKS
1380 1307		PI31557

Show/hide table

NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31557" 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 "PI31557" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

Show/hide table

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.

Show/hide table


NOTE:	This Revised Service Letter replaces the 11Sep2008 (Revised 26Sep2008) Service Letter. Changes have been made to Parts Needed.

Show/hide table

COMPLETION DATE	TERMINATION DATE
31Mar2009	30Sep2009

PROBLEM

Show/hide table

The 146-7359 Aftercooler Tube needs to be replaced with a new 3340538/">334-0538 Aftercooler Tube on certain 797B Off-Highway Trucks. The existing tube can crack causing a coolant leak.

AFFECTED PRODUCT

Show/hide table

Model	Identification Number
797B	JSM00191-00410

PARTS NEEDED

Show/hide table

Qty	Part Number	Description
4	6J2680	SEAL-O RING
4	8T1919	SEAL-O-RING
2	3340538	TUBE
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

Show/hide table

Replace the 146-7359 tube with a new 3340538/">334-0538 tube. Refer to Image1, Image2, and Image3 for part location clarification.

NOTE: The high altitude model trucks use this tube on the front 12 cylinders only.

Show/hide table

Image1

Image2

Image3

OWNER NOTIFICATION

Show/hide table

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

SERVICE CLAIM ALLOWANCES

Show/hide table

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

Show/hide table

NOTE: This is a 2.5-hour job

Show/hide table

PARTS DISPOSITION

Show/hide table

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

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

Show/hide table

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

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 146-7359 AFTERCOOLER WATER TUBE ON CERTAIN 797B OFF-HIGHWAY TRUCKS

MODELS INVOLVED - 797B Off-Highway Trucks

Dear Caterpillar Product Owner:

The separate circuit aftercooler tube needs to be replaced on the products listed below. The existing tube can cause a coolant leak at the o-ring seal. 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 11Sep2008 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 11Sep2008 Service Letter