TM 9-4120-402-14
4-47. EVAPORATOR AND CONDENSER FAN MOTOR (B2) AND CONDENSER FAN.
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b. Inspect.
(1) Check fan for dents, bent or loose fan blades, and that hub is securely attached. Replace if damaged.
(2) Check inlet bell for dents or any distortion that would cause interference with fan. Replace if damaged.
c. Remove.
(1) Looking into condenser discharge opening, rotate fan (2) and locate the two setscrew access notches through
fan blades.
(2) Loosen two setscrews (3) until they are flush with outside of hub.
(3) Note position of motor junction box (4) for reassembly.
(4) Mark motor (5) and motor mounting plate (6) for alinement at reassembly.
CAUTION
Take care that hardware does not drop down into unit causing damage to equipment.
(5) Remove six sets of screws (7) and flat washers (8) from motor mounting plate (6).
NOTE
The following steps require two people.
(6) Lift motor (5) high enough to gain access to mounting plate (6) hardware (7) Carefully slip fan (2) down and
off of motor shaft being careful not to lose woodruff key (9).
(8) Remove four sets of cap screws (10), nuts (11), flat washers (12), and spacers (13).
(9) Carefully lift motor (5) up and out of unit.
(10) Slide motor mounting plate (6) out rear opening.
CAUTION
The condenser fan is easily damaged. Use care when removing fan not to damage fan or tubing
insulation.
(11) Lift fan (2) up and out of unit.
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