PSP FOR FAILURE OF ELECTRIC SOLENOID TO SHUT DOWN ENGINE ON 3304B AND 3306B GENERATOR SET ENGINES EQUIPPED WITH NSFS AND WOO DWARD GOVERNOR - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
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PSP FOR FAILURE OF ELECTRIC SOLENOID TO SHUT DOWN ENGINE ON 3304B AND 3306B GENERATOR SET ENGINES EQUIPPED WITH NSFS AND WOO DWARD GOVERNOR - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
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.
PRODUCT SUPPORT PROGRAM FOR FAILURE OF ELECTRIC SOLENOID TO SHUT DOWN ENGINE ON 3304B AND 3306B GENERATOR SET ENGINES EQUIPPED WITH NSFS AND WOODWARD GOVERNORS, 1287, PS4082 U-96 A-44 AU-74 C-94 E-60 O-69 See October 7, 1986 NOTE: This Program can be administered either before or after a failure. When reporting the repair, use "PS4082" as Part Number and "7755" as Group Number.
Termination Date
September 30, 1987
Problem
A cast web was removed from the 8N3225 Governor Drive Housing at the factory. Investigation has shown that this web was needed for the shut off solenoid to work correctly. Without the web, the solenoid plunger can move far enough into the bore in the housing that the electrical field will not pull the plunger into the shut off position.
Affected Product
Model Identification Number 3304B 83Z2280 - 3217 3306B 86Z1907 - 2873
Parts Needed
1 - 5S6458 Dowel 1 - 8L3873 Gasket
Action Required
Check the 8N3225 Governor Housing for a dowel in the location shown in the illustration. If a dowel is present, no further action is required. If a dowel is not present, check the casting number. If the housing has either "8N3225 -8-" or "8N3225 -11-" on it the dowel must be installed according to the dimensions in the illustration. When drilling the hole, catch the chips so they do not get into the governor. Put 9S3265 Retaining Compound on the dowel and install it flush with the outside of the housing. If the housing has any other casting number on it, it does not have to be reworked. (SEE ILLUSTRATION) WARRANTY ALLOWANCES (SEE ILLUSTRATION)
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
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