PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 193-3288 DAMPER GROUP ON CERTAIN 3512B PETROLEUM GENSET ENGINES. Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 193-3288 DAMPER GROUP ON CERTAIN 3512B PETROLEUM GENSET ENGINES.

Usage:

REBE1226-01

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18Oct2006

(Revised 27Feb2007)

U-682

A-660

D-644

O-666

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*Priority*	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 193-3288 DAMPER GROUP ON CERTAIN 3512B PETROLEUM GENSET ENGINES.
1205		PI31167

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31167" 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 "PI31167" 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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NOTE:	This Revised Service Letter replaces the October 18, 2006 Service Letter. Changes have been made to the Parts Needed and Action Required section.

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COMPLETION DATE	TERMINATION DATE
30Apr2007	31Oct2007

PROBLEM

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The 21" 193-3288 Damper Gp needs to be replaced on certain 3512B Petroleum Genset Engines with the 23" 1463740/">146-3740 Damper Gp. The existing 21" damper can lead to reduced damper life and may exhibit v-belt flipping issues.

AFFECTED PRODUCT

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Model	Identification Number
3512B	PTF00147, 157-215

PARTS NEEDED

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Qty	Part Number	Description
1	1463740	DAMPER GP
1	1N3482	ADAPTER

ACTION REQUIRED

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This rework should be performed immediately. Allow time for the engine to cool before starting this rework.

1. Remove damper as outlined within the "Removal Procedure" in media number SENR6564.
Note: After removing the damper bolts from the unit check the bolts using the Reuse & Salvage Guide to ensure that the damper bolts taken out of the unit can be reused. Also reuse the 5P8250 washers for the damper reassembly.

2. Replace damper with the damper (part number 1463740/">146-3740), as outlined within the "Installation Procedure" within the same SENR6564 publication.

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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 3.0-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 REPLACING THE 193-3288 DAMPER GROUP

MODELS INVOLVED - CERTAIN 3512B PETROLEUM GENSET ENGINES.

Dear Caterpillar Product Owner:

A new 23" damper needs to be installed in place of the current 21" damper on the products listed below. 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 18Oct2006 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 18Oct2006 Service Letter