Lownslow Posted May 25, 2011 Posted May 25, 2011 I notice today that one of my airbrushes doesnt spray at normal PSI. At first i thought it was the compressor and after a few tests i noticed it was just that airbrush. i set it at 20 and it feels like its spraying at 5psi is something broken on it?
RancheroSteve Posted May 25, 2011 Posted May 25, 2011 Sounds to me like it's got a clog somewhere. I'd disassemble it as much as you can, clean with solvent, then reassemble and blow solvent through it.
Lownslow Posted May 25, 2011 Author Posted May 25, 2011 Sounds to me like it's got a clog somewhere. I'd disassemble it as much as you can, clean with solvent, then reassemble and blow solvent through it. i cleaned it but the problem is still there tho it is spraying at a higher psi but not at what the compressor is set at
GeeBee Posted June 5, 2011 Posted June 5, 2011 (edited) I had this very problem with my old DeVilbiss airbrush, turned out to be the diaphram in the valve had rotted away, it was made of rubber, I managed to get a new one made of teflon, should last a few more years, and it was back working perfectly again, have a look at part # 24 (Old part)and # 26 (New part) in the photo below, most airbrushes have something similar in them. Hope this helps. Edited June 5, 2011 by GeeBee
MikeMc Posted June 5, 2011 Posted June 5, 2011 I notice today that one of my airbrushes doesnt spray at normal PSI. At first i thought it was the compressor and after a few tests i noticed it was just that airbrush. i set it at 20 and it feels like its spraying at 5psi is something broken on it? Have you sprayed acryllics with it?...if so you have a hardened film inside all the passages...that will restrict paint flow....soak it overnight in lacquer thinner.....or its GREX time
Lownslow Posted June 11, 2011 Author Posted June 11, 2011 I had this very problem with my old DeVilbiss airbrush, turned out to be the diaphram in the valve had rotted away, it was made of rubber, I managed to get a new one made of teflon, should last a few more years, and it was back working perfectly again, have a look at part # 24 (Old part)and # 26 (New part) in the photo below, most airbrushes have something similar in them. Hope this helps. nope thats the airvalve control right? Have you sprayed acryllics with it?...if so you have a hardened film inside all the passages...that will restrict paint flow....soak it overnight in lacquer thinner.....or its GREX time dont have a grex buying budget, i did score a paasche
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