Fan Motor Removal and Installation

protector to cool and close. If a resistance check still

(2) Remove the evaporator fan (para 4-30).

i n d i c a t e s open circuits to all four pins from C, the

(3) Disconnect the electrical connector from

thermal protector is defective and motor must be

t h e terminal box located on the lower portion of the

motor housing near the motor mounting flange.

r e p l a c e d . An open circuit from C to some, but not

a l l the remaining pins is evidence that one or more

(4) Remove the two screws, washers, lock

washers and sleeves which secure the motor

of the windings is open circuited and the motor

must be replaced. Connect one lead of the

mounting feet to the motor mounting bracket.

m u l t i m e t e r to the motor frame and the second lead

( 5 ) Remove the four nuts, washers and screws

to each of the five pins in the receptacle. An in-

which secure the motor mounting flange to the

dication of negligible resistance is evidence of a

bulkhead separating the evaporator and condenser

short in the motor and it must be replaced.

compartments.

(6) Lift the motor out of the air conditioner,

4-34. Fan Motor Removal and Installation

b. Installation. Installation of the fan motor

shall be in the reverse order of removal.

Removal.

(1) Remove the condenser fan (para 4-31).