1) Reclaim existing refrigerant (4.5lbs)
2) Refrigerant orifice disconnection/removal/reinstall
3) Nitrogen gas flush with flushing agents
4) Liquid line drier/filter installation
5) Nitrogen pressure check
6) System evacuation
7) Add 4.8 lbs of R-22 freon
8) System test, check and condenser coil wash