Generator Decoupler - Removal

REMOVAL

The generator decoupler is used only with certain engines.










Two different type generator decoupler pulleys are used. One can be identified by the machined splines (3).










The other decoupler is equipped with a hex opening (2) and will not use splines.

Different special tools are required to service each different decoupler. Refer to following procedure.

INA Decoupler

1. Disconnect the negative battery cable.
2. Remove the generator and accessory drive belt Generator - Removal.









3. Position the Special Tool 8823 (VM.1048) (2) into the decoupler (1).










4. Determine if the end of generator shaft is hex shaped (2).










5. .or is splined (2).










6. If the hex is used, insert a 10MM deep socket (1) into tool 8823 (VM.1048).










7. If splined, insert a 5/16" 6-point hex driver (1), or a 10MM 12-point triple square driver into tool 8823 (VM.1048).










8. The generator shaft uses conventional right-hand threads to attach the decoupler. To break the decoupler loose from generator threads, rotate the end of tool (1) clockwise or.,










9. Rotate the end of tool (1) clockwise.
10. After breaking it loose with the tool, unthread decoupler by hand from the generator.

Litens Decoupler

1. Disconnect the negative battery cable.
2. Remove the generator and accessory drive belt Generator - Removal.




3. Position the Special Tool 8433A into the decoupler. Align to the hex end of the generator shaft.





4. The generator shaft uses conventional right-hand threads to attach the decoupler. To break the decoupler loose from generator threads, rotate the end of tool clockwise.
5. After breaking loose the decoupler with the tool, unthread the decoupler by hand from the generator.