11
3 - HANDLING INSTRUCTIONS
Compressor removal
When the compressor is operational
1. Perform the oil return operation (p.11).
2. Recover the refrigerant from the system using a refrigerant recovery unit.
3. Remove the compressor.
4. Drain the oil from the compressor and close all open connections immediately.
5. Check the oil quantity and the degree of contamination (p.12).
When the compressor is operational
1. Recover the refrigerant from the system using a refrigerant recovery unit if the shut-off valves are
removed with the compressor.
2. Remove the compressor.
3. Drain the oil from the compressor and close all open connections immediately.
4. Check the oil quantity and the degree of contamination (p.12).
O
il return operation
Compressor oil mixed with refrigerant is circulating
in the air conditioning system. Perform the oil
return operation to return this oil to the compressor
before removing components from the system.
1. Open the doors and windows and operate the
blower motor at maximum speed.
2. Operate the vehicle engine at idling at least 20
minutes.
Note:
The maximum amount of oil cannot be
recovered at higher speeds. This operation also
requires a warm ambient temperature.
