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 TM9-4120-423-14&P
2
Using screwdriver, remove screw and locknut to remove blower housing bracket from blower
housing.
3
Using screwdriver, remove three screws and clamp from motor side of blower housing.
4
Pull impeller from condenser housing.
5
Using screwdriver, remove five screws and flat washers and remove fan inlet.
6
Using screwdriver, remove five screws and remove fan cover plate.
7
Using allen wrench, loosen two setscrews holding the extension shaft to the motor shaft.
8
Carefully pull the assembled extension shaft and impeller off of motor shaft and out of housing.
9
Using allen wrench, loosen impeller hub setscrew and pull extension shaft from impeller.
10
Disconnect connector plug (P11) from motor connector (J11).
11
While supporting motor, use socket and ratchet to remove four cap screws, lockwashers, and flat
washers.
12
Carefully slip motor up and out of air conditioner.
CLEANING
Using clean dry cloth and soft brush, remove dirt from impeller, blower housing, cover plate, extension
shaft, and outside of motor.
REPAIR OR REPLACEMENT
1
Housing repairs are limited to replacement of rivets and plate nuts.
2
Plate nuts may be removed by drilling out the old rivets using a drill bit slightly smaller than the
diameter of the rivet.
3
Install new plate nut(s) and rivets.
4
Repair of the condenser fan motor is limited to replacement of the electrical connector. For
further information on electric motor repair, refer to FM 20-31 (Electric Motor and Generator
Repair).
5
To replace the connector, using screwdriver, remove the four screws from the terminal box
cover.
0049 00-4
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