With a refrigerant recovery and recycling machine.
Only come from Recovery, Recycling, and reclamation
R22
It is located on the accumulator assembly. I hope you are not wanting to add refrigerant to it especially if it has stop leak in it. The stop leak will ruin a shops recycling equipment as well as possibly do harm to your air conditioning. The refrigerant amount is located on a decal under the hood. The amount is EXACT and not guess work.
R22
Hermetic compressors rely on refrigerant gas for cooling. When drawing deep vacuums during the recycling or recovery process, there may not be enough refrigerant gas circulating to adequately cool down the compressor. This can lead to overheating of the compressor and potential damage to the equipment.
R22
Generally very little, if any
It's illegal to vent the refrigerant into the atmosphere. To do it legally, you need a refrigerant recycling machine
Recycling equipment can be bought from many different stores online and offline. Some examples of stores that sell recycling equipment include Go Green Rei and REMFG.
AMCOR specializes in recycling. They offer domestic and commercial recycling collection services, as well as recycling equipment supply and servicing.
Recycling (Terry WB Gohring)