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ARMY TM 9-4120-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
5-21.
PUMP DOWN - Continued.
11. Frontseat (clockwise) compressor discharge valve.
12. Turn mode switch to OFF.
WARNING
Disconnect input power to the air conditioner before performing any internal maintenance or
adjusting thermostat. Voltages used can KILL. Shutting the unit off at the control panel does not
disconnect unit power.
13. Disconnect air conditioner input power at source.
14. Open manifold VPV and let remaining refrigerant escape.
15. Purge low side of system (para 5-13).
Figure 5-10. Pump Down
5-42
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