< BASIC INSPECTION >
• Always use HFO-1234yf for A/C refrigerant. If CFC-12 or HFC-134a is accidentally charged, compres-
sor is damaged due to insufficient lubrication.
• Always observe and follow precautions described on refrigerant container. Incorrect handling may
result in an explosion of refrigerant container, frostbite, or the loss of eyesight.
• Never breathe A/C refrigerant and lubricant vapor or mist. Exposure my irritate eyes, nose, or throat.
gas when in contact with high temperature objects. Keep workshop well ventilated.
Connect recovery/recycling/recharging equipment to the A/C service valve.
Operate recovery/recycling/recharging equipment, and evacuate air from A/C system for 25 minutes or
Evacuate air for 15 minutes or more if the parts are replaced.
Check the airtightness of A/C system for 25 minutes or more. If pressure rises more than the specified
Check the airtightness for 15 minutes or more if the parts are replaced.
If parts other than compressor are replaced, fill compressor lubricant according to parts that are replaced.
Charge the specified amount of refrigerant to A/C system.
Check that A/C system operates normally.
Disconnect recovery/recycling/recharging equipment. (Collect the refrigerant from the high-pressure hose
Install A/C service valve cap.
Refrigerant charge is complete.