TM 9-4120-408-14
5-5. REFRIGERANT SERVICE. (Continued)
Service.
WARNING
Refrigerant R134a is contained in the refrigerant system under high pressure. Extreme care
must be exercised to prevent refrigerant from coming in contact with exposed "kin and eyes.
Provide adequate ventilation when discharging the system in a confined area. All refrigerant
gas must be discharged from system before performing any removal procedures of refrigerant
components. Failure to obey this warning may result in death or serious personal injury.
WARNING
Rapid discharge will cause oil to be blown out of the system. Damage to Compressor may
occur.
NOTE
In accordance with Environmental Protection Agency regulation. refrigerants cannot be
discharged into the atmosphere. A refrigerant recovery and recycling unit must be used
Operation of the recovery/recycling unit must be by AUTHORIZED PERSONNEL ONLY.
Evacuate air conditioner prior to removal.
a. System Discharge.
b.
(1) Remove caps from discharge and suction service valve" located on compressor. Refer to TM 9-2320-280-
34 for location of compressor discharge and suction service valves.
(2) Install bar manifold gauge. to compressor service valves.
(3) Connect and operate recovery/recycling unit in accordance with the manufacturer's instructions.
Change 1
5-7