CHARGING THE REFRIGERANT SYSTEM - TM-5-4120-383-140204

TM 5-4120-383-14

5-16. CHARGING THE REFRIGERANT SYSTEM - Continued

NOTE

The system must be evacuated before charging. Use only Refrigerant-22 to charge

the unit. If available, use recycled refrigerant.

Refrigerant Charging

a. The charging operation should be done with all covers in place except for refrigerant charging valve

a c c e s s cover.

b. Check that the hose from the low pressure charging valve is connected to the compound gage side of the

charging manifold. The hose from the high pressure charging valve should be connected to the pressure gage side of

the charging manifold.

c. Connect center hose from charging manifold to a well charged drum of Refrigerant-22.

d. Loosen hose connections to the two air conditioner charging valves slightly.

Change 1

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