PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE EARTH GROUND BAR ON CERTAIN 3512, 3512B, 3516, AND 3516B GENERATOR SETS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE EARTH GROUND BAR ON CERTAIN 3512, 3512B, 3516, AND 3516B GENERATOR SETS

Usage:

TEBE4547-00

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03Jun2016

O-254

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Priority	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE EARTH GROUND BAR ON CERTAIN 3512, 3512B, 3516, AND 3516B GENERATOR SETS
7426 1408		PI32637

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NOTE:

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI32637" 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 "PI32637" 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
31Dec2016	30Jun2017

PROBLEM

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The earth ground bar has been up fitted to a painted surface and may not effectively
ground certain conductive surfaces on certain 3512, 3512B, 3516, and 3516B Generator Sets.

AFFECTED PRODUCT

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Model	Identification Number
3512	YAX00534-00547, 549-552, 555-556
3512B	YAY00410, 665, 1446-1458
3512B HD	YAZ00755, 760-762, 764-773, 776-778, 780-782
3516	YAL00214, 216, 306-307
3516B	YAP00770-00771, 775-779, 793
3516B HD	YAR00756, 758-768, 771

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 1.5-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 EARTH GROUND BAR

MODELS INVOLVED - 3512, 3512B, 3516, AND 3516B GENERATOR SETS

Dear Cat Product Owner:

The earth ground bar mounting method needs to be reworked on the products listed below. The existing earth ground bar is attached to painted surfaces and may not effectively ground certain conductive surfaces. 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 03Jun2016 when scheduling this service.

We regret the inconvenience this may cause you, and urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to 03Jun2016 Service Letter

Rework Procedure

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Refer to the Safety Section in the Operation and Maintenance Manual. Ensure the generator set has been isolated from all energy sources and secured in accordance with proper lock out tag out procedures.

Remove the side panel from the control box and identify the earth ground bar. Remove the 2 fixing/fasteners bolts and washers as shown in Image 1.1.1.

Image1.1.1

Set the earth ground bar away from the frame. Remove 50mm x 60mm of paint under each of the bolt fixings/fasteners (area identified by the 2 rectangles) as shown in Image 1.2.1.

Image1.2.1

Ensure unpainted surface is clean and smooth. Apply UL Listed anti-oxidant compound,
Thomas & Betts CP8-TB or equivalent. Re-attach the earth ground bar and fixings/fasteners. Tighten the bolts to 55 +/-10Nm. Re-install control box side panel.