TM 9-4120-398-14
4-31. EVAPORATOR BLOWER MOTOR
This task covers
a. Test
b. Replacement
INITIAL SETUP
Tools
Equipment Condition
Tool kit, refrigeration SVC
Power OFF
General Safty Instructions
WARNING
Belt removed
Voltages used can kill. Always disconnect power
cord to air conditioner before performing any internal
maintenance, Shutting unit off at its control panel does
not disconnect unit power.
a. Test.
(1) Check for continuity between motor and motor casing.
(2) If continuity is present replace defective motor.
b. Removal.
Remove motor pulley (1) by loosening setscrew (2).
(1)
(2)
Remove two bolts (3), Iockwashers (4) and washers (5) from top of motor mounting bracket (6).
(3)
Remove bolt (7), washer (8), lockwasher (9), nut (10), and adjusting bolt (11).
(4)
Rotate motor (12) to access motor electic box (13).
(5)
Loosen screw (14) to remove cover (15).
Tag and disconnect wires.
(6)
(7)
Remove motor (12) from unit.