V-BELT SET-ALTERNATOR 4P4905 - Caterpillar

TEBE4714-00
04Aug2016
U-410
D-358
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
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.
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 Codeand "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.
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.
COMPLETION DATE
TERMINATION DATE
28Feb2017 31Aug2017
PROBLEM
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
Model Identification Number
C12.9 PC700261-00266
TPJ00270, 273-277, 279, 282-283, 296-299, 308-309
PARTS NEEDED
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
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.
Image1
OWNER NOTIFICATION
Owners in the following countries will receive the attached Owner Notification:
US
Canada
SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts