PRODUCT SUPPORT PROGRAM FOR INSTALLING A NEUTRAL CABLE BUS BAR EXTENSION ON CERTAIN 3512B GENERATOR SETS Caterpillar

PRODUCT SUPPORT PROGRAM FOR INSTALLING A NEUTRAL CABLE BUS BAR EXTENSION ON CERTAIN 3512B GENERATOR SETS

Usage:

TEBE6448-00

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24Jul2017

M110
M620

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Before/After (Limited distribution)	PRODUCT SUPPORT PROGRAM FOR INSTALLING A NEUTRAL CABLE BUS BAR EXTENSION ON CERTAIN 3512B GENERATOR SETS
445B		PS45550

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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 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 "PS45550" 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

31Jul2019

PROBLEM

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The neutral cables on certain 3512B Generator Sets can come in contact with the bus bar mounting bracket and cause damage to the cable insulation.

AFFECTED PRODUCT

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Model	Identification Number
3512B	YAY01353-01354, 1364, 1367-1368, 1370-1376, 1378, 1380-1386, 1388-1389

PARTS NEEDED

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Qty	Part Number	Description
5	6V7687	LOCKNUT
4	8T4179	BOLT-HEX HEAD
5	8T4184	BOLT-HEX HEAD
14	8T4223	WASHER-HARD
2	2790832	BUS BAR MOUNT
2	3638866	INSULATOR
1	3920923	BUS BAR
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% 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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Install the neutral bus bar extension as per the attach Rework Procedure.

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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%
0-8000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 2.0-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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Refer to the Safety Section of the Operation and Maintenance Manual prior to doing any work.

1. Disconnect the neutral cables from the generator terminal bus bar.

2. Inspect the neutral cables for damage to the insulation ? replace cable/s if required.

3. Install the Neutral bus bar, Insulators and Bus bar Mounts

Image1.1.1

4. Tighten the Bus bar bolts, Mount bolts and Insulator bolts to the torque spec values as shown below:

M12 Bus bar bolts, Lock nuts & Washers - Tighten to 100 Nm (+/-20)
M12 Mount bolts, Lock nuts & Washers - Tighten to 100 Nm (+/-20)
M12 Insulator bolts & Washers - Tighten to 50 Nm (+/-10)