- Oct 8, 2014
- Reaction score
Yes, as @donjetman said, the recovery machine does not remove hardly any oil, if any, at all. If a compressor is replaced, all the manufacturers that I ever saw always said to replace the accumulator and orifice and flush the system or the warranty would not be applied if needed on the compressor. Flushing the solvent thru the system, under pressure, grabs oil that is hanging on in the system at the condenser, evaporator and lines/hoses. Then I would blow out the system with metered air pressure. I always knew what was shipped in the new/reman compressor and then added rest of oil in the accumulator and very small amounts in the condenser and evaporator but those were not as important as getting the correct amount in the entire system. I then always evacuated for 2 hours in the humid climate of the Midwest. Then a 1/2 hour just holding vacuum. Almost forgot, I replaced external switches too. Sound expensive? It is. But not as expensive as the whole system replacement but if you do all the labor, it is not so bad.