PRODUCT IMPROVEMENT PROGRAM FOR IMPROVING THE BOOM AND STICK CYCLE TIMES IN COLD WEATHER BY REPLACING THE PILOT LINES ON CERTAIN M325C MATERIAL HANDLERS

Usage:

SEBE9073-01

February 22, 2005
(Revised March 2005)
U-52
O-45

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR IMPROVING THE BOOM AND STICK CYCLE TIMES IN COLD WEATHER BY REPLACING THE PILOT LINES ON CERTAIN M325C MATERIAL HANDLERS
5057		PI30770

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30770" 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 "PI30770" 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 February 22, 2005 Service Letter. Changes have been made the Affected Product section.

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COMPLETION DATE	TERMINATION DATE
August 31, 2005	February 28, 2006

PROBLEM

On certain M325C Material Handlers, the boom and stick cycles times are very slow and the response suffers when the ambiant temperature is -12 C (10 F) or below. The pilot lines circuit to the stick lowering control valve are to small for cold temperature condition, which may result in slow movements.

AFFECTED PRODUCT

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Model	Identification Number
M325C MH	XJA203-225 PAN243-276

PARTS NEEDED

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Qty	Part Number	Description
1	1314720	HOSE AS
8	2304815	HOSE AS
1	2630399	HOSE AS
1	2648814	HOSE AS
1	2648815	HOSE AS

ACTION REQUIRED

See the attached Rework Procedure.

OWNER NOTIFICATION

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%	3.0	0	0	0	0
NOTE: This is a 3.0- hour job. NOTE: U.S. and Canadian Dealers Only - Eligible dealers may enter a Type 2 SIMS Report

PARTS DISPOSITION

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)
(2-Rework Procedure)

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

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR IMPROVING THE BOOM AND STICK CYCLE TIMES IN COLD WEATHER BY REPLACING THE PILOT LINES

MODELS INVOLVED - CERTAIN M325C MATERIAL HANDLERS

Dear Caterpillar Product Owner:

New pilot lines need to be installed on the products listed below. The boom and stick cycle times and response times suffer when the ambiant temperature is ?12C (10F) or below. 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 February 22, 2005 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 February 22, 2005 Service Letter

Rework Procedure

Refer to the following illustrations showing the hose locations.

In lines group 216-9491 EY02, remove the 8 hoses 240-6953 (item 20) and replace by 8 hoses 230-4815.

In lines group 216-9492 EY01, remove 1 hose 154-3622 (item 13) and replace by 1 hose 263-0399.

In lines group 235-0758 EY01, remove 1 hose 243-3946 (item 9) and replace by 1 hose 264-8814. Remove 1 hose 243-3947 (item 10) and replace by 1 hose 264-8815.

In lines group 246-7110 V03, remove 1 hose 233-9619 (item 22) and replace by 1 hose 131-4720 piloting SLCV valve.
Refill the hydraulic tank according to the right level recommended in the Operation and Maintenance Manual.