preditor Posted February 2, 2014 Share Posted February 2, 2014 Hi everyone i am looking for help.My iawata airbrush is spitting paint out of the cup, it bubbles up and then spits all over, can anyone help with some advice. roy. Link to comment Share on other sites More sharing options...
109 Posted February 2, 2014 Share Posted February 2, 2014 Hi, can be caused by e.g. loose nozzle or clogged nozzle. Pls check these two points. HTH! :-) Link to comment Share on other sites More sharing options...
Iain Posted February 2, 2014 Share Posted February 2, 2014 Needs a good strip and clean - air is unable to escape around the spray head/nozzle and is blowing back up through paint reservoir. Happens occasionally on mine - quite often on a long spraying session with acrylics. Iain Link to comment Share on other sites More sharing options...
Guest Peterpools Posted February 2, 2014 Share Posted February 2, 2014 (edited) I had the same with my Iwata a few weeks back. Could be one of a few things so I covered all the bases. Complete strip down and thorough cleaning. Make sure the needle passage way at the bottom of the cup is perfectly clean. Make sure the O-rings are clean and have a bit of Super Lube on them and are seated correctly. Lube the needle with the Super Lube Now assemble. Use the wrench to snug up the assembly - don't go overboard. This is normally where the problem is. Hopefully, all should be well now and let us know how you make out. Peter Edited February 2, 2014 by Peterpools Link to comment Share on other sites More sharing options...
flounder_al Posted February 2, 2014 Share Posted February 2, 2014 As the guys have said. Nothing that a damn good clean wouldn't sort out. Link to comment Share on other sites More sharing options...
preditor Posted February 3, 2014 Author Share Posted February 3, 2014 Thanks for all your help, i have just stripped and cleaned but still have the problem, i am going to clean again tomorrow and try to get some super lube, i will let you know. roy. Link to comment Share on other sites More sharing options...
Guest Peterpools Posted February 3, 2014 Share Posted February 3, 2014 make sure you use the small wrench to tighten things up. lso double check that the o-rings are seated correctly. PeteAl Link to comment Share on other sites More sharing options...
preditor Posted February 12, 2014 Author Share Posted February 12, 2014 Thanks for your help, i have cleaned everything and it is spotless but still have the cup spitting, have not tried superlube as i dont have any or where to get some so tried a little vaseline sill no joy. You mentioned the o rings but i cant see them or know how to see if they are seated right. Fed up and ready to bin this thing, any more advice. roy. Link to comment Share on other sites More sharing options...
Guest Peterpools Posted February 12, 2014 Share Posted February 12, 2014 Most likely the O-ring will need to be replaced as it isn't sealing. Also, please never use Vaseline, as it is petroleum based and will ruin the o-ring . Superlube can be purchased on line from Sprue Brothers or any vender that sells air brushes. Peter Link to comment Share on other sites More sharing options...
Eli Raphael Posted February 12, 2014 Share Posted February 12, 2014 About the superlube. While attending a figure painting seminar, the teacher would disassemble the AB to clean her up and he would pass the clean needle in his forehead! We were amazed and asked him why? He just responded that it was cheaper, the same or better that the superlube. I do that since then. Careful, just pass the needle body avoiding the tip! Link to comment Share on other sites More sharing options...
Guest Peterpools Posted February 12, 2014 Share Posted February 12, 2014 Eli Amazing ... have to give it a try Peter Link to comment Share on other sites More sharing options...
Iain Posted February 12, 2014 Share Posted February 12, 2014 Never lubricated my HP-CH in 8 years of hard use - and still all original... Only gets fully stripped *very* occasionally. Agree with Peter regarding replacing the o-ring. Iain Link to comment Share on other sites More sharing options...
Vandy 1 VX 4 Posted February 13, 2014 Share Posted February 13, 2014 Have you checked the vent hole on the paint cap. It may need to be cleaned out / reamed. Cheers Link to comment Share on other sites More sharing options...
RandyB Posted February 13, 2014 Share Posted February 13, 2014 When I tear mine down every night after an evening of painting, I make sure to seal the threads of that little bitty nozzle before I replace it... I have some beeswax that I got from somewhere - the pharmacy or supermarket most likely - and I turn the nozzle threads in the wax (being very careful not to drop it, it's very small) and then replace the nozzle in the airbrush body. Do not over tighten the nozzle, it's very easy to do. I had that same issue with my HP-C+, and sealing the threads fixed it for me. Cheers, -randy Link to comment Share on other sites More sharing options...
LSP_Kevin Posted February 13, 2014 Share Posted February 13, 2014 About the superlube. While attending a figure painting seminar, the teacher would disassemble the AB to clean her up and he would pass the clean needle in his forehead! We were amazed and asked him why? He just responded that it was cheaper, the same or better that the superlube. I do that since then. Careful, just pass the needle body avoiding the tip! I do this too! Kev Link to comment Share on other sites More sharing options...
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