AC–79
AIR CONDITIONING SYSTEM – REFRIGERANT LINES
REFRIGERANT LINES REPLACEMENT
1. DISCHARGE REFRIGERANT IN REFRIGERATION SYSTEM
2. REPLACE FAULTY TUBE OR HOSE
NOTICE: To prevent the intrusion of moisture or dirt, caps should be placed on hose or tube ends immediately.
3. TORQUE CONNECTIONS TO SPECIFIED TORQUE
NOTICE: Connections should not be torqued tighter than the specified torque.
Compressor X Suction tube
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
Compressor X Discharge tube
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
Condenser X Discharge tube
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
Condenser X Liquid tube
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
Receiver X Liquid tube
Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)
A/C unit X Liquid tube
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
A/C unit X Suction tube
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
Evaporator X Expansion valve
Torque: 5.4 N·m (55 kgf·cm, 48 in.·lbf)
Discharge lines
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
Liquid lines
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
Suction lines
Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)
4. EVACUATE AIR IN REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT
Specified amount:
700 ± 50 g (24.96 ± 1.76 oz.)
5. INSPECT FOR LEAKAGE OF REFRIGERANT
Using a gas leak tester, check for leakage of refrigerant.
6. INSPECT AIR CONDITIONING OPERATION