How do you restore refrigerant to a compressor?

Freon is being sucked through the suction line (bigger line) and then compressed and pushed through the liquid line (small line). So to pump the freon into the compressor, close your high side king valve, which is the liquid line or small line, and then push the contactor in.Click to see full answer. Correspondingly, how do you restore refrigerant?An example of a system set up for the push-pull method of refrigerant recovery. Connect a hose from the discharge port of the recovery unit to the vapor side of the HVAC system. Then, connect another hose from the liquid side of the HVAC system to the sight glass and on to the liquid side of the recovery tank. how do you put Freon in a compressor? Freon is being sucked through the suction line (bigger line) and then compressed and pushed through the liquid line (small line). So to pump the freon into the compressor, close your high side king valve, which is the liquid line or small line, and then push the contactor in. Thereof, can you recover refrigerant without a recovery machine? Technicians have their set of machines which can solve the issue quickly. But, if you want an absolute and most straightforward, as well as the cheapest way to recover refrigerant to be in EPA compliance without buying any machines, then you should try some gauges & tanks.How long does it take to recover freon? Five to 10 minutes