PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE HYDRAULIC FILL PUMP WIRING CONNECTION AT THE BREAKER ON CERTAIN 559C, 579C, 2384C, AND 2484C KNUCKLEBOOM LOADERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE HYDRAULIC FILL PUMP WIRING CONNECTION AT THE BREAKER ON CERTAIN 559C, 579C, 2384C, AND 2484C KNUCKLEBOOM LOADERS

Usage:

TEBE0485-00

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16Oct2013

U-510

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE HYDRAULIC FILL PUMP WIRING CONNECTION AT THE BREAKER ON CERTAIN 559C, 579C, 2384C, AND 2484C KNUCKLEBOOM LOADERS
3005 1420 1417 1408 1401 1402		PI32247

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI32247" 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 "PI32247" 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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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
30Apr2014	31Oct2014

PROBLEM

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The existing wiring harness can be terminated at the wrong side of its circuit breaker on certain 559C, 579C, 2384C, and 2484C Knuckleboom Loaders. If the existing wiring is not reworked, there would be no circuit protection to the hydraulic fill pump motor.

AFFECTED PRODUCT

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Model	Identification Number
2384C	KAW00251-00261
2484C	KAZ00252-00255
559C	KAS00253-00281
579C	KAX00251-00259

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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Refer to the attached Rework Procedure.

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OWNER NOTIFICATION

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Owners in the following countries will receive the attached Owner Notification:
US
Canada

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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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE HYDRAULIC FILL PUMP WIRING CONNECTION AT THE BREAKER

MODELS INVOLVED - CERTAIN 559C, 579C, 2384C, AND 2484C KNUCKLEBOOM LOADERS

Dear Cat Product Owner:

The wire connections at the hydraulic fill pump breaker need to be reworked on the products listed below. The existing installation may not provide adequate electrical protection to the fill pump circuit. You will not be charged for the service performed.

Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated.

Please refer the dealer to their Service Letter dated 16Oct2013 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 16Oct2013 Service Letter

Rework Procedure

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1. Follow all safety procedures outlined in the machines Operation and Maintenance Manual.

2. Operate the machine and locate it in a position so that the rear engine door can be accessed easily.

3. Turn the machine OFF with the key switch.

4. Turn the master disconnect switch to the OFF position.

5. From the rear engine door locate the 420-6891 Electrical Panel and remove the 368-7944 Cover by removing the four bolts. Refer to Image1.1.1.

Image1.1.1

6. With the cover removed, identify cables A126-EN65 and A126-EN54 and their location and compare with Image1.2.1. If they are located as shown in Image1.2.1, the cables will need to be moved to the proper stud location on the same breaker. Remove the wires from their current location by removing the nut and washer that secure them. Once removed, reinstall the nut and washer back onto the stud, then tighten.

Image1.2.1

7. Locate the proper stud location. Refer to Image1.3.1. Remove the existing nut and washer. Mount the cables onto this breaker stud. Reinstall the washer and nut, then tighten.

8. Reinstall the electrical panel cover in the reverse order it was removed.