Sight Glass: Testing and Inspection
Sight Glass Inspection1. INSPECTION CONDITION
1. Operate the engine at approximately 1,500 rpm.
2. Open the door windows.
3. Set the fan switch to the 4th (High) position.
4. Set the mode selector switch to "A/C" position.
5. Set the temperature control switch to Full cold position.
6. Ensure that compressor discharge pressure is at least 588 kPa (6 kg/sq.cm, 85 psi).
NOTE: When discharge pressure does not reach 588 kPa (6 kg/sq.cm, 85 psi) in areas where outside air temperature is low, proceed as follows.
a. Set the TEMP. SWITCH to the Full hot position.
b. Set the temperature control switch to "MAX. A/C" position.
c. Close the door windows completely.
d. Increase the compartment temperature so that discharge pressure reaches at least 588 kPa (6 kg/sq.cm, 85 psi).
2. REFRIGERANT CHARGE AMOUNT CHECKING
Check the refrigerant charge amount using the table as a guide.