PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE SELF LEVELER VALVE ON CERTAIN 246C AND 256C SKID STEER LOADER, 277C MULTI TERRAIN LOADERS, AND 279C COMPACT TRACK LOADERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE SELF LEVELER VALVE ON CERTAIN 246C AND 256C SKID STEER LOADER, 277C MULTI TERRAIN LOADERS, AND 279C COMPACT TRACK LOADERS

Usage:

REBE6141-00

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03Jun2010

U-193

D-168

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*Safety*	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE SELF LEVELER VALVE ON CERTAIN 246C AND 256C SKID STEER LOADER, 277C MULTI TERRAIN LOADERS, AND 279C COMPACT TRACK LOADERS
5479		PI10806

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI10806" 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 "PI10806" 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 unloader spool cap on the self leveler valve needs to be replaced on certain 246C and 256C Skid Steer Loader, 277C Multi Terrain Loaders, and 279C Compact Track Loaders. The unloader spool cap could break off releasing the spool which can cause an uncommanded dump of the bucket. Such an event, in conjunction with other factors or circumstances, may result in a risk of personal injury or death.

AFFECTED PRODUCT

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Model	Identification Number
246C	JAY04077-04078, 4080, 4083, 4085, 4087-4090, 4092-4094
256C	DWS01534-01540
277C	JWF02250-02251, 2253-2257, 2259-2261
279C	MBT01275-01290, 1294-1296, 1298-1302, 1313

PARTS NEEDED

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Qty	Part Number	Description
1	3632188	CAP
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

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Refer to the attached Rework Procedure.

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OWNER NOTIFICATION

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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%	100%	0%	0%	0%	0%

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NOTE: This is a 1.0-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 NOTIFICATION FOR U.S. AND CANADIAN OWNERS

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE SELF LEVELER VALVE

MODELS INVOLVED - 246C AND 256C SKID STEER LOADER, 277C MULTI TERRAIN LOADERS, AND 279C COMPACT TRACK LOADERS

Dear Caterpillar Product Owner:

The self leveler valve needs to be reworked on the products listed below. The cap on the existing valve can crack and release oil, resulting in an uncommanded release of the load. Such an event, in conjunction with other factors or circumstances, may result in a risk of personal injury or death. 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 03Jun2010 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.

Caterpillar Inc.

Identification #(s)

Attached to 03Jun2010 Service Letter

Rework Procedure

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1. Raise the lift arms and install safety brace.

2. Unbolt the cab and raise.

3. Place an oil dry mat under the self level valve.

4. Use a 11/16" wrench and break the cap loose on the self level valve and remove.

Image1.1.1

5. Inspect orifice for debris.

Image1.2.1

6. Install the new cap. Turn the cap until the o-ring is seated and then tighten the cap to a torque of 55 Nm +5/-0.

7. If needed, touch up the paint on the cap.

Image1.3.1

8. Clean up any spilled hydraulic oil and check hydraulic fluid level. Add oil if needed.

9. Lower the cab and cycle the lift arms.

10. Raise the cab and inspect for leaks.

11. Lower the cab and bolt down. Tighten the bolts to a torque of 125 +/- 15 Nm.