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TM 9-4120-430-14
DIRECT SUPPORT MAINTENANCE
AIR CONDITIONER, COMPACT, HORIZONTAL
CONDENSER FAN AND MOTOR MAINTENANCE
TEST, REMOVAL, DISASSEMBLY, INSPECTION, ASSEMBLY, AND INSTALLATION
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanics (Item 1, Table 2, WP 0067 00)
Materials/Parts
Grease, General Purpose (Item 28, Table 1, WP 0069 00)
Test Equipment
References
Wire lists and Schematic Diagram (WP 0038 00)
Refrigerant System Service - (Brazing/Debrazing) (WP 0046 00)
Personnel Required
One
Equipment Condition
Power disconnected from unit.
Top cover removed (WP 0018 00)
WARNING
Ensure power source is disconnected.
TEST
1.
Remove black lead and red lead from condenser fan motor B3. Refer to schematic diagram (WP 0038 00).
2.
Using an ohmmeter set on lowest ohms scale, check continuity between black lead and red lead on motor.
Continuity should be indicated between these leads.
3.
Rotate motor shaft very slowly and check for smooth and quiet operation of shaft. Shaft should rotate smoothly and
should not make grinding or binding noises.
4.
If condenser motor fails any of the above tests, motor must be replaced.
REMOVAL
1.
Remove condenser coil (WP 0062 00).
2.
Remove linear-actuator (WP 0060 00).
3.
Verify labels and disconnect all wires from condenser fan motor being replaced. Refer to wire list and schematic
4.
Disconnect flare nuts (27) to pressure switches. Refer to figure 1.
0064 00-1

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