PRODUCT SUPPORT PROGRAM FOR REPLACING THE GEARBOX BEARINGS ON CERTAIN G3520H GENERATOR SETS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE GEARBOX BEARINGS ON CERTAIN G3520H GENERATOR SETS

Usage:

TEBE8378-00

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03Dec2018

U-672

A-487

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Before/After	PRODUCT SUPPORT PROGRAM FOR REPLACING THE GEARBOX BEARINGS ON CERTAIN G3520H GENERATOR SETS
3255 7551 4471		PS46078

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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 "PS46078" 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

31Dec2020

PROBLEM

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If operated at average load factors greater than 80 percent over 20,000 hours, the existing gearbox bearings can fail on certain G3520H Generator Sets.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
G3520H HD	GFR00115-00173, 178-212

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*****Group 2*****
G3520H HD	GFR00174-00177

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
2	3909006	BEARING
2	3909007	BEARING
1	3909011	SEAL-O-RING
2	3909012	SEAL-O-RING
1	3909047	SEAL-O-RING
2	4439107	COLLAR
2	4439108	OIL-SEAL
2	4923333	SEAL-O-RING
2	5131332	OIL-SEAL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 16% 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.
*****Group 2*****
2	3909006	BEARING
2	3909007	BEARING
1	3909011	SEAL-O-RING
2	3909012	SEAL-O-RING
1	3909047	SEAL-O-RING
2	4439107	COLLAR
2	4439108	OIL-SEAL
2	4923333	SEAL-O-RING
2	5131332	OIL-SEAL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 16% 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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A copy of product status report that confirms operation at greater than 80 percent load factor over 20,000 hours is required.

Replace bearings as described in Disassembly and Assembly Manual.

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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%
*****Group 1*****
0-16000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
16001-24000 hrs, 25-36 mo	50.0%	50.0%	0.0%	0.0%	50.0%	50.0%

NOTE: This is a 80.0-hour job for Group 1

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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%
*****Group 2*****
0-16000 hrs, 0-24 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%
16001-24000 hrs, 25-36 mo	50.0%	50.0%	0.0%	0.0%	50.0%	50.0%