TM 9-4120-357-14
2.
With the air conditioner compressor operating, open the suction line service valve and the cylinder
shutoff valve to charge refrigerant gas into the system, while observing the sight-glass liquid indicator.
3. When liquid in sight-glass indicator runs clear and free of bubbles, close the suction line service
valve and the cylinder shutoff valve.
4. Disconnect refrigerant cylinder, and replace caps on both service valves.
(34) Position front access cover on air conditioner by inserting lower edge behind step in base plate. Push
into contact with casing, and secure with four panel fastener screws.
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