Step 1: Switch off power supply and confirm unit is fully inactive before starting.
Step 2: Recover refrigerant safely and disconnect suction and discharge lines carefully.
Step 3: Remove old compressor and clean mounting base and line connections thoroughly.
Step 4: Place new compressor, align ports with piping, and secure mounting bolts evenly.
Step 5: Reconnect refrigerant lines with proper sealing and check for leaks.
Step 6: Restore power, then test system for correct pressure and stable cooling operation.