PRODUCT IMPROVEMENT PROGRAM FOR REWORKING 307-3521 GROUNDING BAR INSTALLED ON CERTAIN C32 GENSETS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING 307-3521 GROUNDING BAR INSTALLED ON CERTAIN C32 GENSETS

Usage:

REBE4618-00

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10Feb2009

U-53

A-46

D-43

O-43

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING 307-3521 GROUNDING BAR INSTALLED ON CERTAIN C32 GENSETS
445B 1405		PI31626

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31626" 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 "PI31626" 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
31Aug2009	28Feb2010

PROBLEM

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The 307-3521 Grounding Bar installed in certain C32 Genset Generator Panels may not be tightened to the proper torque and may not maintain proper connection.

AFFECTED PRODUCT

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Model	Identification Number
C32	SXC03494, 3496, 3669-3670, 3681-3682, 3691, 3730-3731, 3749-3750, 3752, 3760-3761, 3792, 3801-3805, 3807-3812, 3827, 3833, 3836-3843, 3845-3850, 3854-3860, 3862-3863, 3866-3869, 3872-3875, 3877, 3879-3882, 3886-3890, 3892, 3894, 3896, 3902, 3907, 3910, 3914, 3916-3918, 3920, 3930, 3936-3940, 3943-3946, 3959, 3961-3963

PARTS NEEDED

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No parts needed for this program

ACTION REQUIRED

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The existing grounding bar connections need to be inspected to ensure that they are properly tightened to a torque of 150 Newton Meters (110 lb ft).

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

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REWORKING 307-3521 GROUNDING BAR LOCATED WITHIN THE GENERATOR PANELS FOR CERTAIN C32 GENSETS

MODELS INVOLVED - C32 Gensets

Dear Caterpillar Product Owner:

The grounding bar needs to be reworked on the products listed below. The existing grounding bar connections need to have the torque inspected. 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 10Feb2009 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 10Feb2009 Service Letter

Rework Procedure

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Isolate Genset before commencing any work on the unit, activate emergency stop, open Genset breaker and disconnect battery cables. Ensure health and safety requirements are adhered to at all times.

Unbolt the side panel of the generator, reference image 1.1.1.

1. Inspect the torque of the ground bus bar and all of its associated connections to ensure that they are properly tightened to a torque of 150 Nm (110 lb ft). Reference number 1 in Image 1.2.1 identifies the bolts that need to be checked.

Image1.2.1

Reattach the side panel of the generator, refer to Image 1.1.1.

Clear generator area, reconnect batteries, release emergency stop, and clear emergency stop fault code.