PRODUCT IMPROVEMENT PROGRAM FOR APPLYING RTV TO THE ELECTRONIC THERMOSTAT MOTOR HOUSING AND COVER ON CERTAIN C175-16 GENERATOR SETS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR APPLYING RTV TO THE ELECTRONIC THERMOSTAT MOTOR HOUSING AND COVER ON CERTAIN C175-16 GENERATOR SETS

Usage:

REBE6474-00

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17Sep2010

U-377

A-298

D-326

O-330

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Priority Parts stock action needed	PRODUCT IMPROVEMENT PROGRAM FOR APPLYING RTV TO THE ELECTRONIC THERMOSTAT MOTOR HOUSING AND COVER ON CERTAIN C175-16 GENERATOR SETS
5074 7555 7750		PI31802

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI31802" 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 "PI31802" 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:

When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7751" as the Group Number, "56" as the 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
31Mar2011	30Sep2011

PROBLEM

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The mating surface between the electronic thermostat motor housing and cover need RTV to be applied in order to prevent water entry into the motor housing.

AFFECTED PRODUCT

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Model	Identification Number
C175-16	WYB00100-00112, 114-118, 124-129, 131, 135-136, 138-213

PARTS NEEDED

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Qty	Part Number	Description
1	RTV	Loctite 5900 or similar Silicone based RTV
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 45% 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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****Parts Stock ****

Rework all 286-4571 Electronic Thermostat Assemblies in stock according to rework steps in Action Required for Affected Product.

****Affected Product****

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Loctite Procurement:
Please visit www.useloctite.com/caterpillar and click on the link for your region for more information. Please note that this website is country specific and under construction. You can place orders via email, telephone or fax.

Rework Instructions:

1. Unplug the motor harness from the connector.

2. Remove the four motor housing cover bolts and remove cover (see Image1).

3. Remove the four 6V-9606 Bolts and 9X-8267 Washers that mount the motor to the thermostat valve assembly (see Image2).

4. Remove the motor from the assembly and inspect for corrosion.

5. Apply Loctite 5900 or similar Silicone based RTV along the perimeter of the motor housing and motor cover mating surface (see Image3).

6. Re-mount the original motor mount using bolts and washers.

7. Reinstall the motor cover.

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Image1

Image2

Image3

OWNER NOTIFICATION

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U.S. and Canadian owners will receive the attached Owner Notification.

SERVICE CLAIM ALLOWANCES

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****Parts Stock****

Submit one claim for all parts reworked from dealer parts stock.

1.0 hours allowed per thermostat assembly.

****Affected Product****

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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 1.0-hour job

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PARTS DISPOSITION

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****Parts Stock****

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

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****Affected Product****

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

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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 APPLYING RTV TO THE ELECTRONIC THERMOSTAT MOTOR HOUSING AND COVER

MODELS INVOLVED - C175-16 GENERATOR SETS

Dear Caterpillar Product Owner:

The mating surface between the electronic thermostat motor housing and cover need RTV to be applied in order to prevent water entry into the motor housing on the units 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 17Sep2010 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 17Sep2010 Service Letter