PRODUCT IMPROVEMENT PROGRAM FOR RELOCATING THE HYDRAULIC PRESSURE SENSOR ON CERTAIN 24M MOTOR GRADERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR RELOCATING THE HYDRAULIC PRESSURE SENSOR ON CERTAIN 24M MOTOR GRADERS

Usage:

REBE4541-00

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26Nov2008

U-610

A-505

D-520

O-559

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR RELOCATING THE HYDRAULIC PRESSURE SENSOR ON CERTAIN 24M MOTOR GRADERS
5057		PI31589

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31589" 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 "PI31589" 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
31May2009	30Nov2009

PROBLEM

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The 6V8926 Adapter for the hydraulic pressure sensor mounting needs to be replaced and relocated on certain 24M Motor Graders. The adapter is in the 268-0241 Lines Gp-Pump located on top of the hydraulic implement pump. Excessive stresses from the pressure sensor and coupling in the existing location will cause damage to the adapter, which can cause or may result in machine damage.

AFFECTED PRODUCT

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Model	Identification Number
24M	B9K00242-00309

PARTS NEEDED

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Qty	Part Number	Description
2	1P3704	SEAL-RECTANGULAR
1	3E7417	PLUG-METRIC
4	3J1907	SEAL-O-RING
1	5I4376	FITTING
4	5P8246	WASHER-HARD
1	5V9221	SPACER
1	6V0852	CAP-DUST
2	6V3265	CLIP
1	6V3965	NIPPLE AS
1	6V5684	BOLT-HEX HEAD
2	6V8367	LOCKWASHER-TOOTH
4	6V8397	SEAL-O-RING
1	6V8774	TEE-FACE SEAL
1	6V8926	ADAPTER
1	6V8994	UNION-BULKHEAD
2	6V9168	NUT-BULKHEAD
4	8T3653	BOLT
1	8T4223	WASHER-HARD
2	8T7876	SEAL-O-RING
1	9S4191	PLUG-STOR
1	1305300	CLIP
1	2053079	ADAPTER-STOR
1	2147568	SEAL-O-RING-STOR
1	3275880	ADAPTER-ORIFICE
1	3345504	HOSE AS
1	3349565	HARNESS AS
1	3356606	ADAPTER
1	3359194	HOSE AS
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 Special Instructions REHS4865-00 to relocate the hydraulic oil pressure sensor.

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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 5.0-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 RELOCATING THE HYDRAULIC PRESSURE SENSOR ON 24M MOTOR GRADERS

MODELS INVOLVED - 24M Motor Graders

Dear Caterpillar Product Owner:

The 6V8926 Adapter for the hydraulic pressure sensor mounting needs to be replaced and relocated on the products listed below. The adapter is in the 268-0241 Lines Gp-Pump located on top of the hydraulic implement pump. Excessive stresses from the pressure sensor and coupling in the existing location will cause damage to the adapter which can cause or may result in machine damage.

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 26Nov2008 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 26Nov2008 Service Letter