ALTERNATOR GP-CHARGING 1005045 - Caterpillar

REBE6075-00
28Apr2010
U-148
D-130
O-136
TM-11
Priority
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE STUDS OF THE DAMPER GROUP ON CERTAIN C32 MARINE ENGINES
1205 PI31738
This Program must be administered as soon as possible.When reporting the repair, use "PI31738" 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 "PI31738" 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
31Oct2010 30Apr2011
PROBLEM
The existing studs used in the damper group may have been tightened improperly on certain C32 marine engines. Improper tightening can result in a premature failure of the studs.
AFFECTED PRODUCT
Model Identification Number
C32 RNY00679, 681, 686-687, 698, 728, 739
RNZ00297
PARTS NEEDED
Qty
Part Number Description
12 1F7958 NUT-FULL
12 3D0471 STUD-TAPERLOCK
1 4C4200 PAINT-YELLOW (As Required)
1 1402576 PAINT-WHITE (As Required)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 35% 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
Replace the existing studs and nuts with new 3D0471 Studs and new 1F7958 Nuts.
Refer to the attached Rework Procedure.
OWNER NOTIFICATION
U.S. and Canadian owners will receive the attached Owner Notification.
SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
100% 100% 0% 0% 0% 0%
This is a 1.5-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999
PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE STUDS OF THE DAMPER GROUP
MODELS INVOLVED - C32 Marine Engines
Dear Caterpillar Product Owner:
The studs in the damper group need to be replaced on the products listed below. The existing studs may have been torqued incorrectly. You will not be charged for the service performed.
Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.
Please refer the dealer to their Service Letter dated 28Apr2010 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.
Identification #(s)
Attached to 28Apr2010 Service Letter
Rework Procedure
1. If a damper guard is installed, remove all bolts/washers/spacers. Place all hardware inside the guard and retain for reuse. The guard will be reinstalled with same hardware after rework is complete.
2. Remove 10 of the nuts from the damper group adapter, leaving two nuts installed that are directly across from each other to hold the damper assembly in place. Use the 8S-1378 stud remover and resetter kit or equivalent to remove these 10 studs.
The end of each previously installed stud will be painted the