TM 9-4120-403-14
Pin D to pin C
(2) If there is no continuity between any pair of pins, the motor winding is open. Replace motor.
(3) Using a multimeter set on high OHMS scale, check continuity between pins A, C, D, and ground. If
continuity is found, replace motor.
NOTE
If all the above inspections and tests are satisfactory, but the motor will still not operate properly, notify
your supervisor.
Replacement
(1) Disconnect plug P2 from connector J2.
(2) Remove the four screws, washers, and self-locking nuts in motor mounting flang .
e
(3) Remove two screws, lockwashers, and flat washers in support legs of motor.
(4) Remove two spacers from motor bracket.
(5) Remove three screws, spacers and locknuts from clamps securing two copper tubes to bulkhead wall
above motor. Do not remove clamps.
CAUTION
Be careful not to damage tubing when removing motor
NOTE
Motor fits tightly into bulkhead opening. It may be necessary to tap motor loose from bulkhead using a
hammer and a block of wood. Do not tap motor shaft.
(6) Rotate motor 90' counterclockwise and remove motor from unit.
(7) Insert the motor through the condenser fan cavity far enough to reach plug P2.
(8) Connect plug P2 to connector J2.
(9) Aline motor flange hole pattern to motor mount flange hole pattern.
(10) Install the four screws through the motor and motor mount flanges.
(11) Install four washers and locknuts on the four screws hand-tight.
4-142