Figure 4-2. Releasing refrigerant for service.

TM 5-4120-356-14

Death or serious injury may result if personnel fail to observe safety precautions. use great care to

avoid contact with Iiquid refrigerant or refrigerant gas being discharged under pressure. sudden and

irreversible tissue damage can result from freezing. wear thermal protective gloves and a face

protector or goggles in any situation where skin-eye-contact is possible,

Prevent contact of refrigerant gas with flame or hot surfaces. heat causes refrigerant to break down

and form carbonyl chloride (phosgene), a highly poisonous and corrosive gas.

RELEASING REFRIGERANT FOR SERVICE

NOTE

In accordance with environmental protection agency regulations refrigerants, cannot be discharged

into the atmosphere. a refrigerant recovery & recycling unit must be used whenever discharging the

refrigerant system

1. REMOVE FRESH AIR SCREEN FROM AIR CONDITIONER. (SERVICE VALVES ARE LOCATED BEHIND FRESH AIR SCREEN.)

NOTE

Operation of the recovery/recycling unit must be by AUTHORIZED PERSONNEL ONLY.

2 CONNECT AND OPERATE A RECOVERY/RECYCLING UNIT IN ACCORDANCE WITH THE MANUFACTURER'S lNSTRUCTlONS.

Figure 4-2. Releasing refrigerant for service.

4-11

Change 4