BELT TENSIONER 1900634 - Caterpillar

SEBE9380
November 1, 2005
U-345
A-255
D-271
O-285
Priority PRODUCT IMPROVEMENT PROGRAM FOR INSTALLINGAN ISOLATION RELAY TO THE VR6 WITH MANUAL VOLTAGE CONTROL ON CERTAIN 3306B,3456, 3406C, AND 3408C GENERATOR SETS
4467 PI30879
This Program must be administered assoon as possible. When reporting the repair, use "PI30879" as the Partnumber and "7751" as the Group Number, "56" as the Warranty Claim DescriptionCode and "T" as the SIMS Description Code. Exception: If the repair isdone after failure, use "PI30879" as the Part Number, "7751" as the GroupNumber, "96" as the Warranty Claim Description Code, and "Z" as the SIMSDescription Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst.
COMPLETION DATE
TERMINATION DATE
May 31, 2006 November 30, 2006PROBLEM
An isolation relay needs to be added to the systemif a VR6 is used with a manual voltage control.AFFECTED PRODUCT
Model Identification Number
3306B B8D463-464,466, 563, 606, 648, 727-728, 730, 790, 794-795, 798-801, 806-807, 828,858-859, 885, 921, 976, 978-979, 992-993, 1012-1013, 1030, 1040
3456 C3G328
3406C KPS1048, 1587,1771, 1828, 1881
3408C TAM105, 134-135, 141, 190, 224PARTS NEEDED
Qty
Part Number Description
1 1383809 RELAY-POWERACTION REQUIRED
See the attached Rework Procedure.OWNER NOTIFICATION
U.S. and Canadian owners will receive the attachedOwner Notification.SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100% 1.0 0 0 0 0
This is a 1.0 hour job.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.MAKE EVERY EFFORT TO COMPLETE THIS PROGRAMAS SOON AS POSSIBLE.Attach. (1-Owner Notification)
(2-Rework Procedure)COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999PRIORITY - PRODUCT IMPROVEMENT PROGRAM FORINSTALLING AN ISOLATION RELAY TO THE VR6 WITH MANUAL VOLTAGE CONTROLMODELS INVOLVED - CERTAIN 3306B, 3456, 3406C,AND 3408C GENERATOR SETSDear Caterpillar Product Owner:A new isolation relay needs to be installedon the products listed below that have the VR6 with a manual voltage control.You will not be charged for the service performed.Contact your local Caterpillar dealer immediatelyto schedule this service. The dealer will advise you of the time requiredto complete this service. Please refer the dealer to their Service Letterdated November 1, 2005 when scheduling this service.We regret the inconvenience this may causeyou, but urge you to have this service performed as soon as possible toprevent unscheduled downtime.
Caterpillar Inc.
Identification #(s)Attached to November 1, 2005 Service LetterRework ProcedureAdd a 138-3809 relay using the schematic inIllustration 1.
Illustration 1