PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE JACKET WATER PRESSURE SENSORS ON CERTAIN CG170-16, G3516H, AND G3520H GENERATOR SETS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE JACKET WATER PRESSURE SENSORS ON CERTAIN CG170-16, G3516H, AND G3520H GENERATOR SETS

Usage:

TEBE5866-00

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20Apr2017

U-219

A-144

D-172

O-179

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Priority	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE JACKET WATER PRESSURE SENSORS ON CERTAIN CG170-16, G3516H, AND G3520H GENERATOR SETS
191W 7400		PI32755

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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 "PI32755" 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 "PI32755" 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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COMPLETION DATE	TERMINATION DATE
31Oct2017	30Apr2018

PROBLEM

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The 320-3061 Jacket Water Pressure Sensors needs to be replaced on certain CG170-16, G3516H, and G3520H Generator Sets. The existing 320-3061 Jacket Water Pressure Sensors can stop reading coolant pressure properly. In most cases a diagnostic code is active to indicate a coolant pressure sensor failure.

AFFECTED PRODUCT

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Model	Identification Number
CG170-16	KSJ00160-00167
G3516H HD	GLM00116-00160 GLN00116-00127
G3520H HD	GFP00010, 116-118 GFR00115-00127

PARTS NEEDED

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Qty	Part Number	Description
2	6V6560	SEAL-O-RING
2	4166999	SENSOR GP-PRESS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% 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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Replace both the coolant outlet and coolant inlet 320-3061 Jacket Water Pressure Sensors with 416-6999 Jacket Water Pressure Sensors. Refer to the System Operation, UENR0514 for sensor identification. When replacing the sensors also replace the 6V-6560 O-ring on each sensor.

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OWNER NOTIFICATION

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

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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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE JACKET WATER PRESSURE SENSORS

MODELS INVOLVED - CERTAIN CG170-16, G3516H, AND G3520H GENERATOR SETS

Dear Cat Product Owner:

The jacket water coolant pressure sensors need to be replaced on the products listed below. The existing jacket water coolant pressure sensors can stop reporting accurate pressure readings to the engine ECM. 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. Please refer the dealer to their Service Letter dated 20Apr2017 when scheduling this service.

We regret the inconvenience this may cause you, and urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to 20Apr2017 Service Letter