Automotive Air Conditioning Information Forum (Archives)
Charging Station Oil Cylinder
69-er on 
Thu August 11, 2011 10:29 AM 
On a typical recovery/charging station, what does one do when it's time to replace the oil charging cylinder? My particular unit is a Snap-On ACT4100 (Sun MRC400) It's R-12 unit. The cylinder is out of stock at Snap-On. I would imagine due to the R-12 charge that is also in the cylinder.
Are there generic oil cylinders/chargers out there? It's an inverted cylinder with one schrader. Maybe the oil charge cans at the parts stores would work? Could I refill my cylinder with mineral oil with an R-12 charge? I wouldn't know what the ratio of oil to R-12 would be.
Larry
bohica2xo on Thu August 11, 2011 2:26 PM
I believe that cylinder has a bladder in it for the oil. You should be able to service it. The schrader is used to pressurize the bladder after filling it so you can force oil into a system.
B.
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