PRODUCT IMPROVEMENT PROGRAM FOR ADJUSTING THE LINE RELIEF VALVE PRESSURE SETTINGS FOR THE STICK CYLINDER AND BUCKET CYLINDER ON CERTAIN 324D L and 325D L EXCAVATORS THAT ARE EQUIPPED FOR LONG REACH CONFIGURATION Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR ADJUSTING THE LINE RELIEF VALVE PRESSURE SETTINGS FOR THE STICK CYLINDER AND BUCKET CYLINDER ON CERTAIN 324D L and 325D L EXCAVATORS THAT ARE EQUIPPED FOR LONG REACH CONFIGURATION [REBE1448]

HYDRAULIC SYSTEM

VALVE GP-RELIEF

REBE1448-00

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08Nov2006

U-721

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR ADJUSTING THE LINE RELIEF VALVE PRESSURE SETTINGS FOR THE STICK CYLINDER AND BUCKET CYLINDER ON CERTAIN 324D L AND 325D L EXCAVATORS THAT ARE EQUIPPED FOR LONG REACH CONFIGURATION
5117 5069		PI31183

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31183" 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 "PI31183" 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 AVSpare product analyst.

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COMPLETION DATE	TERMINATION DATE
31May2007	30Nov2007

PROBLEM

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The line relief valve pressure settings for the stick cylinder and bucket cylinder may not have been adjusted correctly during assembly on certain 324D L and 325D L Excavators that are equipped for long reach configuration. If the line relief valve pressure setting is incorrectly adjusted, the stick may crack and fail.

AFFECTED PRODUCT

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Model	Identification Number
324D L	JJG00126, 141, 191, 195-197, 200, 206, 214, 218, 223, 235, 237-238, 240
325D L	A3R00145, 151, 187, 190, 202-203, 215, 253-255

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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Set the pressure of the line relief valve for the bucket cylinder and stick cylinder. Refer to Testing and Adjusting Manual, KENR6159, for the procedure.

NOTE: Make sure that the line relief is set at the correct specification. Hydraulic hoses or welded structures may fail if the setting is greater than the specification.
NOTE: Check your record to determine if the line relief settings have been checked and readjusted to the above specifications. If so, submit a SIMS ticket to report completion of the letter. No further action is required.

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OWNER NOTIFIAVSION

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

SERVICE CLAIM ALLOWANCES

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AVSpare		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 2.0-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 NOTIFIAVSION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR ADJUSTING THE LINE RELIEF VALVE PRESSURE SETTINGS FOR THE STICK CYLINDER AND BUCKET CYLINDER

MODELS INVOLVED - CERTAIN 324D L and 325D L

Dear AVSpare Product Owner:

The line relief valve pressure settings for the stick cylinder and bucket cylinder may not have been adjusted correctly during assembly on the products listed below. If the line relief valve pressure setting is incorrectly adjusted, the stick may crack and fail. You will not be charged for the service performed.

Contact your local AVSpare 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 08Nov2006 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.

AVSpare Inc.

Identification #(s)

Attached to 08Nov2006 Service Letter