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Airbrush is “spitting”

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  • Member since
    May 2011
Airbrush is “spitting”
Posted by dazzjazz on Thursday, May 21, 2020 2:37 AM

My Sparmax Max-3 Airbrush is spitting often. As far as I can tell, it's completely clean inside. I did buy some Iwata brushes recently that shed their bristles very quickly (rubbish and counter productive). I guess it's possible there's some in there but I doubt it given the cleaning I've done. 

perhaps I need to replace the rear seal? Is that even possible?

darren

  • Member since
    November 2018
Posted by oldermodelguy on Thursday, May 21, 2020 6:15 AM

Spitting airbrush:

Air leak at the nozzle seat. ( sometime just a little bees wax or chap stick on the mating parts will seal it up,generally a good idea anyway)

Dirty.

Paint too thick needs thinning.

Air pressure too low for the viscosity of the paint.

Paint not mixed well enough causing partial clogs.

  • Member since
    May 2011
Posted by dazzjazz on Thursday, May 21, 2020 6:23 AM

Thanks. Will look into all those things. I did notice that the last time I reattached the nozzle, it was not easy to put back in for reasons I couldn't figure out. 

  • Member since
    November 2018
Posted by oldermodelguy on Thursday, May 21, 2020 7:02 AM

dazzjazz

Thanks. Will look into all those things. I did notice that the last time I reattached the nozzle, it was not easy to put back in for reasons I couldn't figure out. 

 

My Badger tends to get a seat leak at the nozzle. It has a teflon seal but none the less I wax the threads. When that seal leaks the brush produces a pulsating spattery pattern. Course each brush is different but nozzle leaks are common. Also air cap leaks ( my Badger require the air cap be on to spray, not all brushes do), I wax those threads as well. All sealed up the pattern is beautiful, nice controlable, very small droplets etc.

Also fairly common is crud in the paint,either not fully mixed or a little dried paint from a dropper top getting in the mix. That really raises some hell driven negative spirits with the production process lol !!

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