PRODUCT SUPPORT PROGRAM FOR REWORKING SWITCHGEAR CONTROL PANELS ON CERTAIN PM3508B AND PM3512 POWER MODULES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REWORKING SWITCHGEAR CONTROL PANELS ON CERTAIN PM3508B AND PM3512 POWER MODULES

Usage:

REBE5274-00

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01Jul2009

U-247

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*Before/After*	PRODUCT SUPPORT PROGRAM FOR REWORKING SWITCHGEAR CONTROL PANELS ON CERTAIN PM3508B AND PM3512 POWER MODULES
4491 4490 7451		PS42938

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NOTE:

This Program must be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS42938" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. If administered after failure, use "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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TERMINATION DATE

31Jul2011

PROBLEM

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The existing switchgear control panels allow for moisture to collect within the panels on certain PM3508 and PM3512 Power Modules. Moisture in the control panel can lead to premature failure of electrical components within the panel.

AFFECTED PRODUCT

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Model	Identification Number
PM3508B	BLM00253-00262, 264-273
PM3512B	BNR00318-00327

PARTS NEEDED

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Qty	Part Number	Description
1	KIT	Parts will be provided by Cat Switchgear.
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 9% 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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The scope of work required for this service letter includes installing a thermostat, space heater, and the electrical wiring associated.

Refer to the attached Rework Procedure.

Parts can be obtained through:
...ISO Support Center
...24 Hour Helpdesk 1-866-883-3879
...The international toll free number is 678-746-5000

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
0-2000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 37.0-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.

Rework Procedure

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1. Install thermostat device box on lower right side sub-panel as shown in image 1.1.1.

Image1.1.1

2. Install new space heater on left side sub-panel as shown in image 1.2.1.

Image1.2.1

3. Wire per revised Drawing #35707-W08 and #35708-W08.

4. Be sure to install the heat shrink to the exposed heater terminals where the new wiring connects.

5. Install warning labels provided in kit on sub panel near heater.

Installation of new space heater inside lower control cabinet section

6. Install heater to upper right side door hinge as shown in image 1.4.1.

Image1.4.1

7. Disconnect wiring from heater in rear of enclosure that is currently wired to the existing thermostat in this lower section.

8. Wire the new space heater to the existing thermostat as shown in drawing #35707-W08, and #35708-W08.

9. Install the heat shrink to the exposed heater terminals where the new wiring connects.

10. Install warning labels provided in kit on sub panel near heater.

Installation of 1/2 inch hole plugs

11. 1/2 inch plastic hole plugs have been provided for the dealer to install in holes that are open from the removal of the enclosure lifting brackets. There are 2 holes located on the roof of the enclosure near the corners.