Refrigerant HFC-134a [R134a]: Adjustment
- Discharge of refrigerant HFC-134a (R134a)
- Operate the air conditioner under the conditions below.
Conditions Contents Engine speed Idling Operation time 3 minutes or more A/C switch ON Blower level HI Setting temperature MAX COOL CAUTION: If the air conditioner cannot be operated due to lock of the compressor, operation is not required. - Stop the engine.
- Connect the CFC recovery system, and discharge the refrigerant gas.CAUTION: When using the CFC recovery system, use it correctly according to the operation manual.
- Operate the air conditioner under the conditions below.
- Charging refrigerant HFC-134a (R134a)
- Using a vacuum pump, perform vacuuming.
- Charge refrigerant HFC-134a (R134a).
Standard value
Refrigerant charge level: 390±50 g {13.76±1.76 oz}
CAUTION: If the cooler compressor is operated without refrigerant, seizure may occur due to poor lubrication. Never operate it before charging of refrigerant.NOTE: If collected refrigerant gas is reused, the refrigerant gas recovery rate with a CFC recovery system is about 90%. Prepare a service can for refilling in advance.
- Engine warm-upCAUTION: After charging refrigerant, perform break-in operation at 2000 r/min or less for 2 minutes or more.
- Check for refrigerant gas leak
- After charging refrigerant gas, use an electronic leak detector to check for leak of the refrigerant gas.