PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 124-3307 BALL BEARING WITH A 369-4015 BALL BEARING IN THE B3 LOCATION ON CERTAIN TH55-E70 TRANSMISSIONS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 124-3307 BALL BEARING WITH A 369-4015 BALL BEARING IN THE B3 LOCATION ON CERTAIN TH55-E70 TRANSMISSIONS

Usage:

REBE7036-00

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18Apr2011

U-155

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 1243307/">124-3307 BALL BEARING WITH A 3694015/">369-4015 BALL BEARING IN THE B3 LOCATION ON CERTAIN TH55-E70 TRANSMISSIONS
7751 3160		PI31868

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31868" 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 "PI31868" 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
31Oct2011	30Apr2012

PROBLEM

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The 1243307/">124-3307 Bearing, in location B3, needs to be replaced on certain TH55-E70 Transmissions. The existing bearing may wear in normal service causing premature transmission failure.

AFFECTED PRODUCT

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Model	Identification Number
TH55 FT-E70	PCJ00368, 371-372, 380, 385-386

PARTS NEEDED

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Qty	Part Number	Description
1	3S8035	RING-SEAL
1	5D7523	SEAL-O-RING
1	5M6141	RING-METAL SEAL
1	5P5846	SEAL-O-RING
1	7G6373	GASKET
2	8C3107	SEAL-O-RING
2	8E3838	RING-SEAL
6	8M5254	SEAL-O RING
1	8P8950	RING-SEAL
2	8T0315	SEAL-O-RING-ORFS
1	9F7383	RING-METAL SEAL
1	9L1480	GASKET
1	1243307	BRG-SPL BALL
1	1478089	BEARING-BALL
1	1536959	RING - SEAL
2	3283655	ELEMENT AS-XMSN
1	3694015	BEARING-SPL BALL
1	BULKOIL	265 Liters (70 Gal) TDTO Oil (See OMM)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% 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 Service Manual if/as required.

Perform removal and disassembly of the transmission.

Replace the 1243307/">124-3307 Bearing in position "B3" with a 3694015/">369-4015 Bearing and permanently mark the removed bearing with the transmission serial number, "B3", and "output end" indicating installed direction.

Replace the 1243307/">124-3307 Bearing in position "B4" with a new 1243307/">124-3307 Bearing and permanently mark the removed bearing with the transmission serial number, "B4", and "output end" indicating installed direction.

Using a dial indicator, measure bearing endplay in the removed 1243307/">124-3307 Bearings Document this endplay by filing a SIMSI entry.

Perform assembly and installation of the transmission.

Perform Fill Calibration of the transmission and functional checks.

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Image1

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 90.0-hour job

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PARTS DISPOSITION

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NACD DEALERS: Parts should be held for possible return for engineering analysis. Hold all of these parts for 30 days. If the parts are to be returned "Send It Back" will generate a Parts Return Request (PRR). After 30 days, handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

NON-NACD DEALERS: 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 REPLACING THE 1243307/">124-3307 BALL BEARING WITH A 3694015/">369-4015 BALL BEARING IN THE B3 LOCATION ON CERTAIN TH55-E70 TRANSMISSIONS

MODELS INVOLVED - TH55-E70 Transmissions

Dear Caterpillar Product Owner:

The 1243307/">124-3307 Bearing needs to be replaced on the products listed below. The existing bearing can wear in normal service causing premature transmission 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 18Apr2011 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 18Apr2011 Service Letter