PRODUCT IMPROVEMENT PROGRAM FOR CHANGING TWO PORTS ON THE MEDIUM PRESSURE SWIVEL ON CERTAIN M313C, M313D, M315C, M315D, M316C, M316D, M318C, M318D, M322C, M322D, M325C, AND 325D WHEELED EXCAVATORS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR CHANGING TWO PORTS ON THE MEDIUM PRESSURE SWIVEL ON CERTAIN M313C, M313D, M315C, M315D, M316C, M316D, M318C, M318D, M322C, M322D, M325C, AND 325D WHEELED EXCAVATORS [REBE2341]

HYDRAULIC SYSTEM

LINES GP-HYDRAULIC

PRODUCT IMPROVEMENT PROGRAM FOR CHANGING TWO PORTS ON THE MEDIUM PRESSURE SWIVEL ON CERTAIN M313C, M313D, M315C, M315D, M316C, M316D, M318C, M318D, M322C, M322D, M325C, AND 325D WHEELED EXCAVATORS

REBE2341-00

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10Sep2007

U-437

A-362

D-358

O-384

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*Safety*	PRODUCT IMPROVEMENT PROGRAM FOR CHANGING TWO PORTS ON THE MEDIUM PRESSURE SWIVEL ON CERTAIN M313C, M313D, M315C, M315D, M316C, M316D, M318C, M318D, M322C, M322D, M325C, AND 325D WHEELED EXCAVATORS
5060 5057		PI10622

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI10622" 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 "PI10622" 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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PROBLEM

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The check valves on the oscillating axles cylinder can open inadvertantly. Inadvertent opening of these check valves could lead to machine instability, which may result in personal injury or death. The medium pressure swivel lines need to be rerouted to prevent this inadvertant action.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
M313C	H2A00443-00447, 449-706
M313D	W3H00132-00225, 237
M315C	H2B00332-00552
M315D	W5M00137-00242
M316C	H2C00421-00673
M316D	W6A00291, 295-547
M318C	H2D00531-00794 H2F00204-00254
M318D	W8P00211-00510 W8R00161-00184
M322C	H2E00346-00447 H2G00338-00423
M322D	W2S00116-00224 W2T00201-00213

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*****Group 2*****
M325C MH	PAN00242-00343 XJA00202-00292
M325D L MH	KAY00231-00252 KGG00211-00241
M325D MH	EDF00221-00269

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
1	6V8398	SEAL-O-RING
1	6V9851	ELBOW-SWIVEL
*****Group 2*****
2	6V8398	SEAL-O-RING
2	6V9851	ELBOW-SWIVEL

ACTION REQUIRED

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Refer to the attached rework procedure.

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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 for Group 1

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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 1.5-hour job for Group 2

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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

SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR CHANGING TWO PORTS ON THE MEDIUM PRESSURE SWIVEL

MODELS INVOLVED - Certain M300C and M300D-SERIES Wheeled Excavators

Dear AVSpare Product Owner:

The check valves on the oscillating axles cylinder can open inadvertantly which could result in an unstable machine with the potential for serious injury or death. The medium pressure swivel lines need to be rerouted to prevent this inadvertant action. 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 10Sep2007 when scheduling this service.

We regret the inconvenience this may cause you, but urge you to have this service performed for your added safety and satisfaction.

AVSpare Inc.

Identification #(s)

Attached to 10Sep2007 Service Letter

Rework Procedure

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Release the hydraulic system pressure.

Attach a vacuum pump to the hydraulic tank to avoid hydraulic oil loss.

Remove the hydraulic hoses from the 8U-5851 Medium Pressure Swivel at port 3 and port 5.

Attach the hose removed from port 3 to port 5. Attach the hose removed from port 5 to port 3. Exchange the same ports on the lower part of the swivel, using the 6V-9851 Tee-Swivel and 6V-8398 Seal O-Ring at port 3 to attach the brake line.

Refer to Image 1.1.1 for port exchange on swivel on all affected models.

Image1.1.1

Refer to Image 1.2.1 for routing and use of elbows on M325C & M325D machines.

Image1.2.1

Refer to Image 1.3.1 for routing and use of elbows on M325CL and M325DL machines.

Image1.3.1

Remove the vacuum pump, bleed any air from the brake lines by opening the breather valves and stepping on the brake until oil comes out of the valve, re-tighten the breather valves, start the machine, check for leaks. Refer to Image 1.4.1