PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE POWERTRAIN CHARGE PRESSURE HOSE FROM THE CHARGE PUMP TO THE RIGHT HAND HYDRAULIC MOTOR ON CERTAIN 953C TRACK TYPE LOADERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE POWERTRAIN CHARGE PRESSURE HOSE FROM THE CHARGE PUMP TO THE RIGHT HAND HYDRAULIC MOTOR ON CERTAIN 953C TRACK TYPE LOADERS

Usage:

Caterpillar: Confidential Yellow

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE POWERTRAIN CHARGE PRESSURE HOSE FROM THE CHARGE PUMP TO THE RIGHT HAND HYDRAULIC MOTOR ON CERTAIN 953C TRACK TYPE LOADERS

SEBE7831

November 15, 2001
U-313
A-218
AU-208
S-158
H-117
O-239

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE POWERTRAIN CHARGE PRESSURE HOSE FROM THE CHARGE PUMP TO THE RIGHT HAND HYDRAULIC MOTOR ON CERTAIN 953C TRACK TYPE LOADERS
3016		PI30256

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30256" 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 "PI30256" 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.

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COMPLETION DATE	TERMINATION DATE
May 31, 2002	November 30, 2002

PROBLEM

The powertrain charge pressure hose from the charge pump to the right hand hydraulic motor needs to be inspected on certain 953C Track Type Loaders. If the clip that holds the hose to the splitter box is not oriented properly, the hose may be damaged by rubbing against the Right hand motor drain tube, resulting in hose failure.

AFFECTED PRODUCT

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Model	Identification Number
953C	2ZN1-4620

PARTS NEEDED

1 - 6V8398 Seal - O-Ring
1 - 6V9746 Seal
1 - 1131713 Hose Assembly Note: The hose can be ordered or made at the dealer ship (see Illustration 1).

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%	1.5	0	0	0	0
NOTE: This is a 1.5-hour job to inspect the hose and check the clip orientation. An additional 1 hour may be allowed to replace the hose.

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 - The Powertrain Charge Pressure Hose from the Charge Pump to the Right Hand Hydraulic Motor Needs To Be Inspected

MODELS INVOLVED - 953C Track Type Loaders

Dear Caterpillar Product Owner:

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 November 15, 2001 date 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 November 15, 2001 Service Letter Rework Procedure

Remove the front and the rear bottom guards.
Check if the 8D9671 Clip is correctly oriented (see Illustration 2, 3, 4 and 5) and if the hose is damaged.
Replace the hose only if damaged and fix the clip in the right position (see Illustrations 2, 3, 4 and 5).
Install the bottom guards.
Check the oil level and add oil as required.