Refrigerant Diagnosis-Gauge Hookup, Leak and Oil Level Testing

REFRIGERANT LEVEL CHECK
1. Start the engine and hold engine speed at 1,500 rpm.
2. Set A/C switch to "ON" position.
3. Set temperature lever to maximum cold position.
4. Set blower to maximum speed.





5. After the lapse of about five minutes, check whether the amount of refrigerant is proper or insufficient according to the table.