TM 9-4120-408-14
5-5. REFRIGERANT SERVICE. (Continued)
b. Charging the system.
WARNING
Avoid contact with refrigerant. Burns could result from contact with refrigerant.
CAUTION
Do not attempt to charge liquid refrigerant into suction line. The compressor would be
damaged.
If knocking or pounding is heard when starting the air conditioner, shut down at once
and release some refrigerant before attempting another start.
(1) Remove caps from discharge and suction service valves located on compressor. Refer to TM 9-2320-280-
34 for location of compressor discharge and suction service valves.
(2) Install bar manifold gauges to service valves.
NOTE
Use recycled refrigerant when available.
(3)
Connect a cylinder of new or recycled refrigerant. Charge the system with 12 lbs of refrigerant.
Change 1
5-8
