TM 9-4120-385-14
2.
Clean the front and back surfaces of the evaporator coil with a soft bristle brush.
3.
Clean the front surface of the condenser coil with a soft bristle brush.
WARNING
Compressed air should never be used to clean clothing or parts of
the body. Never point the air hose at yourself or anyone else.
Serious injury or death could result from the misuse of compressed
air.
CAUTION
Use compressed air at 30 psi (2.11 kg/cm) or less. Hold compressed
air nozzle at least 6 to 8 inches away from coil to keep the
compressed air from damaging the coil or fins.
4.
Use a vacuum cleaner and compressed air, if necessary. Clean the area between
the evaporator coil and condenser coil fins.
5.
Clean the evaporator and condenser impellers with a vacuum cleaner.
6.
Using a fin comb, straighten the evaporator and condenser coil cooling fins.
7.
Remove covers used to prevent dirt from entering the louvers and motor.
4-28. SOLENOID VALVES
This task covers:
a . Inspection
b . Testing
INITIAL SETUP
Equipment Condition
Canvas cover, top and lower panels removed (Para 4-10)
Condensate lines removed (Para 4-17)
Control panel removed (Para 4-18)
Junction box removed (Para 4-20)
Test Equipment
24 Vdc power source
