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 TM 5-4120-339-14
3-13.
REFRIGERANT SYSTEM.
WARNING
Disconnect the air conditioner from the electrical power before performing
maintenance on the refrigerant system.
CAUTION
Do not disconnect refrigerant lines from any air conditioner components while
performing organizational maintenance procedures on the refrigerant system.
a. High and Low Pressure Cut-Out Switches. Organizational Maintenance is limited to inspecting the cut-out
switches.
(1) Removal. (See figure 3-24.)
(2) Inspection.
(a) Inspect both cut-out switches, capillary tubes and connections and electrical leads for evidence of
damage which would impair serviceability.
(b) If such damage is found, notify Direct Support Maintenance.
(c) If no such damage is found, proceed to step (3).
(3) Installation. (See figure 3-24.)
b. Pressure Control Switch.
NOTE
Do not remove pressure control switch.
(1) Inspection.
(a) Turn the selector switch to the "OFF" position and disconnect the air conditioner from the electrical
power supply.
(b) Refer to figure 3-4 and remove the condenser fan for access to the pressure control switch.
(c) Refer to figure 3-25 and inspect the pressure control switch for damage which would impair
serviceability.
(d) If such damage is found, notify Direct Support Maintenance.
(e) If no such damage is found, refer to figure 3-4 and reinstall the condenser fan.
c.
Pressure Equalizer Solenoid Valve V2.
(1) Inspection.
3-45
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