PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING A NEW WIRING HARNESS AND SOFTWARE ON CERTAIN TH48FT-E80 OIL FIELD TRANSMISSIONS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING A NEW WIRING HARNESS AND SOFTWARE ON CERTAIN TH48FT-E80 OIL FIELD TRANSMISSIONS

Usage:

SEBE9563-01

April 26, 2006
(Revised May 2006)
U-121

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*Priority* *Parts stock action needed*	PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING A NEW WIRING HARNESS AND SOFTWARE ON CERTAIN TH48FT-E80 OIL FIELD TRANSMISSIONS
3000 4800 7620 3030		PI30975

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30975" 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 "PI30975" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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.

NOTE: This Revised Service Letter replaces the April 26, 2006 Service Letter. Changes have been made to the Parts Needed and Action Required.

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COMPLETION DATE	TERMINATION DATE
October 31, 2006	April 30, 2007

PROBLEM

A new wiring harness and software need to be installed on certain TH48FT-E80 Oil Field Transmissions. An external adjustment will be required which can be completed in a transmission test stand or in a transmission installed in a working rig.

AFFECTED PRODUCT

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Model	Identification Number
TH48FT	FRT00004-60

PARTS NEEDED

Dealers will need to order parts for this Program.

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Quantity	Part Number	Description
1	2613068	COVER AS.
*	2950120	SFWR GP-5000
1	2864460	HARNESS AS.
* Until the software is available on SIS contact Sam Ternes at (309) 494-0923.

ACTION REQUIRED

***** Parts Stock *****

Remove all 269-8853 Harness As. from dealer parts stock.

***** Affected Product *****

Refer to the Service Manual as necessary.

Install the new 2613068 Cover and 2864460 Harness Assembly.

Flash the new 2950120 Software.

Adjust the pressures as shown in the following chart.

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Initial Pressure Information
Clutch/Station	1/C	2/B	3/H	4/A	5/E	6/G
Initial Pressure	72	77	110	103	77	49
Shim Stack (in)	-	-	-	-	-	-

OWNER NOTIFICATION

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

SERVICE CLAIM ALLOWANCES

***** Parts Stock *****

Submit one claim for all 269-8853 Harness As. removed from dealer parts stock.

***** Affected Product *****

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Caterpillar		Dealer Suggested		Customer Suggested
Parts	Labor Hrs.	Parts	Labor Hrs.	Parts	Labor Hrs.
100%	10	0	0	0	0
NOTE: This is a 10-hour job.

PARTS DISPOSITION

***** Parts Stock *****

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

***** Affected Product *****

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

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

Attach. (1-Owner Notification)

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

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999 PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING A NEW WIRING HARNESS AND SOFTWARE ON CERTAIN TH48FT-E80 OIL FIELD TRANSMISSIONS MODELS INVOLVED - TH48FT-E80 OIL FIELD TRANSMISSIONS

Dear Caterpillar Product Owner:

A new wiring harness and software need to be installed on the products listed below. An external adjustment will be required which can be completed in a transmission test stand or in a transmission installed in a working rig.

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 April 26, 2006 when scheduling this service. You will not be charged for the service performed.

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 April 26, 2006 Service Letter