Compressor HVAC: Service and Repair

Component Location:

Components:

REMOVAL
1. Discharge the refrigerant.



2. Remove the tension bolt.




3. Remove the driver belt.




4. Remove the suction hose and discharge hose from the compressor.




5. Remove the 4 mounting bolts on the compressor.
6. Remove the compressor downwards.

INSTALLATION




1. Tighten the 4 compressor mounting bolts.




2. Connect the suction hose and discharge hose to the compressor.




3. Connect the driver belt.







4. Adjust the driver belt tension.




5. Supply the coolant.

Specified amount: 680 ± 25g

SERVICE POINT
If a new compressor is installed, first adjust the amount of oil according to the procedures described below, and then install the compressor.

1. Measure the amount (X cc) of oil inside the removed compressor.
2. Drain the amount of oil calculated according to the following formula from the new compressor, and then install the new compressor. New compressor oil amount: 150 cc - X cc Y cc

NOTE:
- Y cc indicates the amount of oil in the refrigerant line, the condenser, the cooling unit, etc.
- When replacing the following parts at the same time as the compressor,; subtract the rated oil amount of each part from Y cc and discharge this amount from the new compressor.

Compressor oil: FD46XG (PAG OIL)
Quantity:
Evaporator: 30 cc (1.0 fl.oz.)
Condenser: 40 cc (1.4 fl.oz.)
Suction hose: 10 cc (0.3 fl.oz.)
Receiver: 20 cc (0.6 fl.oz.)