PRODUCT IMPROVEMENT PROGRAM FOR REPLACING JACKET WATER COUPLINGS ON CERTAIN 3512C HD, AND 3516C HD MARINE ENGINES EQUIPPED WITH A PLATE TYPE HEAT EXCHANGERS Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING JACKET WATER COUPLINGS ON CERTAIN 3512C HD, AND 3516C HD MARINE ENGINES EQUIPPED WITH A PLATE TYPE HEAT EXCHANGERS

Usage:

REBE9435-00

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20Mar2013

U-114

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*Safety*	PRODUCT IMPROVEMENT PROGRAM FOR REPLACING JACKET WATER COUPLINGS ON CERTAIN 3512C HD, AND 3516C HD MARINE ENGINES EQUIPPED WITH A PLATE TYPE HEAT EXCHANGERS
1379 7553		PI10924

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NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI10924" 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 "PI10924" 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 jacket water couplings need to be replaced on certain 3512C HD, and 3516C HD Marine Engines equipped with a plate type heat exchanger. The existing coupling can allow the tubes to seperate resulting in a loss of engine coolant.

AFFECTED PRODUCT

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Model	Identification Number
3512C HD	T3R00215-00218, 221-222 T3S00200-00201 T3W00201
3516C HD	TKS00208-00213 TKY00204-00207

PARTS NEEDED

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Qty	Part Number	Description
2	1107753	SEAL-O RING
2	4232808	COUPLING AS
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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Replace the existing 7L-3201 Couplings with 428-2808 Straub Grip "L" Couplings. Refer to the attached Rework Procedure.

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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 1.0-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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SAFETY- PRODUCT IMPROVEMENT PROGRAM FOR REPLACING JACKET WATER COUPLINGS ON CERTAIN 3512C HD AND 3516C HD MARINE ENGINES EQUIPPED WITH PLATE TYPE HEAT EXCHANGERS (PTHE)

MODELS INVOLVED - 3512C HD, 3516C HD

Dear Cat Product Owner:

The jacket water couplings need to be replaced on the products listed below. The existing coupling can allow the tubes to slip out resulting in a loss of engine coolant. 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 (---- This
date will be filled out when the letter is issued) 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.

Please refer the dealer to their Service Letter dated 20Mar2013 when scheduling this service.

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

Caterpillar Inc.

Identification #(s)

Attached to 20Mar2013 Service Letter

Rework Procedure

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1. Drain jacket water coolant into suitable container.

2. Remove the 7L-3201 Couplings (1) (Image 1.1.1) and tubes (2) from only the jacket water side of the 375-4143 Heat Exchanger.

3. Install 2 of each 423-2808 Coupling (1)(Image 1.1.2) onto tubes (2), and reinstall onto the engine with new 110-7753 O-rings (3), evenly tightening the coupling bolts to a final torque of 12 Nm (106 lb-in).

4. Refill the jacket water system and test for leaks.

Note: Refer to Image 1.1.3 for location numbers.