PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING A PLUG IN THE SWING PUMP WEEP HOLE TO PREVENT OIL LEAKAGE ON CERTAIN 365B L EXCAVATORS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING A PLUG IN THE SWING PUMP WEEP HOLE TO PREVENT OIL LEAKAGE ON CERTAIN 365B L EXCAVATORS

Usage:

SEBE7868

December 16, 2001
AU-237
S-187
H-143

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR INSTALLING A PLUG IN THE SWING PUMP WEEP HOLE TO PREVENT OIL LEAKAGE ON CERTAIN 365B L EXCAVATORS
5473		PI30267

NOTE: This Program must be administered as soon as possible. When reporting the repair, use "PI30267" 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 "PI30267" 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
June 30, 2002	December 31, 2002

PROBLEM

A plug needs to be installed in the swing pump weep hole to prevent oil leakage on certain 365B L excavators. This is caused by erosion of the shaft seal area. A 1709907 Plug needs to be installed to avoid the erosion.

AFFECTED PRODUCT

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Model	Identification Number
365B L	AGD218?236

PARTS NEEDED

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Qty	Part No.	Description
1	7M6952	* Seal - O-ring
1	OR7411	* Pump Group - Swing
1	6V1320	* Seal - O-ring
1	1183122	* Seal - O-ring
1	1709907	Plug

NOTE: *These parts are only needed when pump replacement is required.

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	0	0	0	0
NOTE: This is a 1-hour job. It is a 6-hour job if the pump needs to be replaced.

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 - A Plug Needs To Be Installed In the Swing Pump Weep Hole To Prevent Oil Leakage

MODELS INVOLVED - 365B L Excavators

Dear Caterpillar Product Owner:

A plug needs to be installed in the swing pump weep hole to prevent oil leakage on certain 365B L Excavators. This is caused by erosion of the shaft seal area. A 1709907 Plug needs to be installed to avoid the erosion on the products listed 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 December 16, 2001 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 December 16, 2001 Service Letter

Rework Procedure

Illustration 1
Detailed status of problem point

Check for oil leakage from lower part of the swing pump.

If no oil leakage is found, install a 1709907 Plug to the upper side of weep hole.

NOTE: Do not install a plug to the lower side of the weep hole. See the Illustration 2. If oil leakage is found, replace the swing pump with a 0R7411 Remanufactured Pump with reference to the following steps:

Install two 1709907 Plugs into both upper and lower weep holes of the Remanufactured Pump.
Install the Remanufactured Pump with reference to the service manual.
Fill the pump with oil through the drain port.
Start the engine and check for any oil leakage from the pump.