PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE WIRING AND POSSIBLY REPLACING THE ALTERNATOR ON CERTAIN C12.9 MARINE ENGINES EQUIPPED WITH A 24 VOLT 160 AMP ALTERNATOR Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE WIRING AND POSSIBLY REPLACING THE ALTERNATOR ON CERTAIN C12.9 MARINE ENGINES EQUIPPED WITH A 24 VOLT 160 AMP ALTERNATOR

Usage:

TEBE4714-00

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04Aug2016

U-410

D-358

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Priority	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE WIRING AND POSSIBLY REPLACING THE ALTERNATOR ON CERTAIN C12.9 MARINE ENGINES EQUIPPED WITH A 24 VOLT 160 AMP ALTERNATOR
1403 1405		PI32667

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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 "PI32667" 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 "PI32667" 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
28Feb2017	31Aug2017

PROBLEM

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The alternator wiring needs to be inspected on certain C12.9 Marine Engines equipped with a 24 volt 160 amp alternator. The existing wiring may be installed incorrectly and can damage the alternator.

AFFECTED PRODUCT

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Model	Identification Number
C12.9	PC700261-00266 TPJ00270, 273-277, 279, 282-283, 296-299, 308-309

PARTS NEEDED

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Qty	Part Number	Description
1	4829541	ALTERNATOR AS (If Required)
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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Inspect the battery cable connections between:

1. Terminal Block Batt (-) to Alternator (GND), and

2. Terminal Block Batt (+) to Alternator (+), reference the Image 1 below.

3. If alternator connections are correct, no additional action is required.

4. If alternator connections are not correct and the engine has not been connected to battery, rework the cables by disconnecting the cables from the alternator and connecting them to the correct terminals, as shown in Image 1.

5. If alternator connections are not correct and the engine has been connected to battery, replace the alternator and properly re-connect the battery cables as shown in Image 1 following the steps a through j:

a. Assure engine is stopped and properly locked out and tagged out to prohibit unintended operation.

b. Remove belt guard using care to ensure all fasteners are retained.

c. Remove battery B- cable from its 482-9519 terminal block.

d. Remove battery B+ cable from its 482-9519 terminal block.

e. Replace alternator and connect B+ and B- cables to alternator as shown and described in Image 1.

f. Replace belt guard ensuring all fasteners are reinstalled.

g. Connect battery B+ cable to its 482-9519 terminal block.

h. Connect battery B- cable to its 482-9519 terminal block.

i. Remove all lock out tag out devices.

j. Test for proper operation.

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Image1

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 1.0-hour job
If the alternator is replaced, per the Action Required, an additional 0.5 hour is allowed. On vessels with multiple affected engines this service letter should completed on all engines on the vessel on the same trip. Please reference the other engine serial numbers in the claim story.

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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 REWORKING THE WIRING AND POSSIBLY REPLACING THE ALTERNATOR

MODELS INVOLVED - CERTAIN C12.9 MARINE ENGINES

Dear Cat Product Owner:

The alternator wiring needs to be inspected on the products listed below. The existing alternator can overheat and fail. 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 04Aug2016 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 04Aug2016 Service Letter