CUP-ROLLER BEARING 1B3909 - Caterpillar

REBE1329-00
09Mar2007
U-90
D-75
Priority
PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE FAN PULLEY GROUP ON CERTAIN 3516 GENERATOR SETS
1356 1205 1357 1355 PI31232
This Program must be administered as soon as possible.When reporting the repair, use "PI31232" 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 "PI31232" 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
30Sep2007 31Mar2008
PROBLEM
The fan pulley belts are failing at very early hours. The root cause is that the fan pulley group is undersized. The fan pulley needs to be reworked on certain 3516 generator sets.
AFFECTED PRODUCT
Model Identification Number
3516B PBR00150-00155, 161-174, 207-209, 212, 214-216
PARTS NEEDED
Qty
Part Number Description
1 3017504 PULLEY-FAN
1 3017505 PULLEY-CSHFT
1 3017506 PULLEY-IDLER
1 3017510 V-BELT GROUP
1 3036365 GUARD GROUP
ACTION REQUIRED
Please 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 10.0-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 REWORKING THE FAN PULLEY GROUP
MODELS INVOLVED - CERTAIN 3516 GENERATOR SETS
Dear Caterpillar Product Owner:
The current fan pulley belts are failing at very early hours. The root cause is that the fan pulley group is undersized. Your fan pulley needs to be reworked on certain 3516 generator sets.
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 09Mar2007 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 09Mar2007 Service Letter
Rework Procedure
This is a two person job. Support of the radiator fan and positioning of fan drive support beam maybe required.
1.0 Ensure the engine has cooled sufficiently to prevent personal injury from contact with hot cooling tubes and the starting system is disabled by removing battery negative terminal or turning battery disconnect switch to the off position.
1.1 Remove all guards from the fan drive shaft, pulley, and belts.
1.2 IMPORTANT! Measure and record the distance between the centerline of the fan pulley shaft and the centerline of the crank pulley shaft. With belts installed, record original belt tension. This dimension must be duplicated with the new crossbeam. Accuracy of the measurement must be within ? 5mm.
1.3 Remove the fan belts, and loose belt tightener and slide tensioner to complete loose position
1.4. Remove the fan