TM 9-4120-388-14
Removal.
c.
(1) Remove six screws and lock nuts from handle and
handle enclosure on right side of unit.
(2)
Remove handle and enclosure.
Looking into condenser fan discharge opening, ro-
(3)
tate fan and locate the two setscrew access notches
through fan blades.
(4)
Using special tool, 6 inch(152 mm) long arm hex "L"
type key, loosen two setscrews until they are flush
with outside of hub.
Note position of motor junction box for reassembly.
(5)
Mark motor and motor mounting plate for alignment
(6)
at reassembly.
Take care that hardware does not drop down into unit.
(7) Remove six screws and flat washers from motor mounting
plate.
(8) Remove four nuts from top of motor mounting flange.
The following steps require two people.
(9) Lift motor high enough to gain access to mounting plate
hardware.
(10) Remove four capscrews, flat washers, and spacers from
motor and motor mounting plate.
(11 ) Carefully slip fan down and off of motor shaft.
(12) Carefully lift motor up and out of top of unit.
(13) Slide motor mounting plate out of rear opening.
(B2) and Condenser Fan
The condenser fan is easily damaged. Use care when removing fan not to damage
fan or tubing insulation.
(14) Lift fan up and out of top of unit.
d. Clean.
(1) Use a clean dry cloth and a soft brush to remove dirt from motor and fan.
(2) If fan and inlet bell are excessively dirty, wash them with mild detergent and water solution.
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