PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE GAS REGULATOR ON CERTAIN G3304B AND G3306B ENGINES Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE GAS REGULATOR ON CERTAIN G3304B AND G3306B ENGINES

Usage:

TEBE7991-00

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19Sep2018

U-539

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Safety	PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE GAS REGULATOR ON CERTAIN G3304B AND G3306B ENGINES
1270		PI11165

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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 as soon as possible. When reporting the repair, use "PI11165" 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 "PI11165" 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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PROBLEM

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The 3676268 Regulator needs to be inspected and possibly replaced on certain G3304B and G3306B Engines. The existing regulator castings with heat date "FZ9" may not meet metallurgical standards for ductile iron. There is a risk that under certain conditions or stresses that the product may fail or fail to perform as desired or as required for conditions. This may, in conjunction with other factors or circumstances, result in a risk of personal injury or death.

AFFECTED PRODUCT

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Model	Identification Number
G3304B	A4E00416-00417
G3306B	R6S04383, 5357-5362, 5365-5366, 5368, 5370, 5374-5382, 5384-5387, 5389-5395

PARTS NEEDED

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Qty	Part Number	Description
1	3676268	REGULATOR
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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Before beginning any maintenance procedure, review the product's Operation and Maintenance Manual(s), and follow all safety information and safe work practices.

Inspect the existing regulator casting for a heat date "FZ9". Refer to Image 1.

If a heat date "FZ9" is not shown, then no further service action is necessary.

If a heat date "FZ9" is shown, then replace the existing regulator with a new regulator.

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Image1

OWNER NOTIFICATION

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Owners in the following countries will receive the attached Owner Notification:
US
Canada
Australia
New Zealand

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 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.

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING THE GAS REGULATOR

MODELS INVOLVED - CERTAIN G3304B AND G3306B ENGINES

Dear Cat Product Owner:

The regulator needs to be inspected and possibly replaced on the products listed below. The existing regulator may not meet metallurgical standards for ductile iron. There is a risk that under certain conditions or stresses that the product may fail or fail to perform as desired or as required for conditions. This may, in conjunction with other factors or circumstances, result in a risk of personal injury or death. You will not be charged for the service performed.

Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated.

You may now search for open Safety Service Letters by entering your product serial number(s). Visit the CAT.COM/SAFETY website and click on SUPPORT, then SAFETY SERVICES for more information. Please refer the dealer to their Service Letter dated 19Sep2018 when scheduling this service.

We regret the inconvenience this may cause you, and urge you to have this service performed for your safety and satisfaction.

Caterpillar Inc.

Identification #(s)

Attached to 19Sep2018 Service Letter