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Iwata Gremlins

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  • Member since
    April 2003
  • From: Edgware, London
Posted by osher on Tuesday, April 19, 2005 6:59 AM
QUOTE: Originally posted by darson

Osher this only happens to me on really humid days where the build up of moisture is too much for my moisture trap and I get a small "sneeze" of water occasionally. To avoid this I simply don't spray on days that are really humid which is not really a problem where I live.

Cheers
Darren


Well, London is a rather damp place...however, you may be right over the moisture thing because for the first time ever I've seen moisture in the water trap.
  • Member since
    February 2003
  • From: Melbourne, Australia
Posted by darson on Monday, April 18, 2005 7:29 PM
Osher this only happens to me on really humid days where the build up of moisture is too much for my moisture trap and I get a small "sneeze" of water occasionally. To avoid this I simply don't spray on days that are really humid which is not really a problem where I live.

Cheers
Darren
  • Member since
    April 2003
  • From: Edgware, London
Posted by osher on Monday, April 18, 2005 4:37 PM
Ok, found the box, and the tool. The airbrush was stripped down, and soaked for an hour in cellulose thinner. WOW! I thought my airbrush was clean, but the amount of old paint that came out amazed me. I haven't run it with paint, but with water it's certainly better, with no water coming out from the joins. The only thing I've noticed is that every minute or so the airbrush 'sneezes'. What does this mean?
  • Member since
    April 2003
  • From: Edgware, London
Posted by osher on Monday, April 18, 2005 8:14 AM
Cool! Thanks for all the comments guys, now I just need to find the box the Iwata came in, as I need the little tool... I hope I kept it!
  • Member since
    February 2003
  • From: Melbourne, Australia
Posted by darson on Monday, April 18, 2005 7:34 AM
Osher, I found a really handy little tool the other day which IMHO is better than a microbrush for cleaning my Iwata. It's called an Interdental brush and what it looks like is a really tiny bottle brush. It's fantastic for cleaning the nozzle on my AB after a nice long bath in lacquer thinner. Although it can't get right through to the very end of the small nozzle, what the intedental brush can't reach, I finish with paper towel tightly wound to a point, dipped in thinner and worked into the nozzle.

Cheers
Darren
  • Member since
    March 2003
  • From: Brooklyn
Posted by wibhi2 on Sunday, April 17, 2005 11:52 AM
Thanks Tho, I'll give it a try. I may have some when I bought the iwata - just got to find it.
3d modelling is an option a true mental excercise in frusrtation
  • Member since
    July 2004
  • From: SETX. USA
Posted by tho9900 on Sunday, April 17, 2005 7:58 AM
Wibhi - with acrylics, actually ALL paint I use needle lube, that helps eliminate about 80% of the build up of paint around the needle tip. What does end up on there can be wiped away with a thinner soaked Q-tip every so often... its about $5 a bottle available through www.dixieart.com and I believe www.greatmodels.com The main two are Badger's Regdab Neddle Juic and Iwata's Medea lube. You'll really be pleased with the results.. and cleanup is a lot easier...

I usually do a very throrough cleaning about every 15 to 30 hours of spraying.. (about once a month at my building speed) soak in lacquer thinner for 15 min or so and wipe away any left over deposits... it's like a new brush afterwards..
---Tom--- O' brave new world, That has such people in it!
  • Member since
    March 2003
  • From: Brooklyn
Posted by wibhi2 on Sunday, April 17, 2005 6:20 AM
Thanks for the Info.
I have been having real issues spraying acrylic paint as of late - no issues with enamel -
on my Iwata. Maybe it's time for another dunk in Acetone.

With Acrylic, I usually get the build up around the needle and crown, my pressure is around 10 - 15 psi and 50% thinned with water or alcohol.
3d modelling is an option a true mental excercise in frusrtation
  • Member since
    March 2003
  • From: Broken Arrow, Oklahoma
Posted by maddafinga on Friday, April 15, 2005 9:23 PM
Yep, those white microbrushes are really really great for cleaning the tip of airbrushes out. The neck on them is so weak you can't press hard enough to damage the tip, the neck bends first. The cleaning head on them is perfect for reaching down into the smallest nozzle. I use the white microbrushes and my airbrush cleaning brushes, makes cleaning the crap out of any airbrush a snap. Of course, I haven't used a Paasche Turbo, so I don't know about those. Big Smile [:D]
Madda Trifles make perfection, but perfection is no trifle. -- Leonardo Da Vinci Tact is for those who lack the wit for sarcasm.--maddafinga
  • Member since
    July 2004
  • From: SETX. USA
Posted by tho9900 on Friday, April 15, 2005 7:10 PM
I usually strip mine down and let it soak in lacquer thinner a bit then with a microbrush or even a qtip dab out any deposits.. anything stubborn gets dunked again...
---Tom--- O' brave new world, That has such people in it!
  • Member since
    April 2003
  • From: Edgware, London
Posted by osher on Friday, April 15, 2005 5:52 PM
Er, at risk of keeping answering myself! Well, I called Iwata, and I have to say, they are really friendly and nice. It seems that the problem is probably connected to the nozzle. I need to strip the nozzle assembly down, and make sure that it is fully clean, as well as making sure everything is true. I also need to improve the sealing between the nozzle cap and the body, by using beeswax.

I hope this is of help to others!
  • Member since
    April 2003
  • From: Edgware, London
Posted by osher on Friday, April 15, 2005 5:03 PM
Well, I painted with it, and it had the old problems. OK, so, I for the first time completely stripped down the airbrush, and found some old deposits. Reassembled, it worked fine, but when painting with thin paint, it came out inconsistent, and then began to spit again.

One thing I noticed was that it bubbled paint around the join between the crown (which surrounds the needle) and the body. Is this a clue?
  • Member since
    April 2003
  • From: Edgware, London
Posted by osher on Friday, April 15, 2005 2:39 PM
Thanks for the advice Madda. I tried spraying with water, and it seemed to be fine, so the problem could be that the paint was too think, as you said.
  • Member since
    March 2003
  • From: Broken Arrow, Oklahoma
Posted by maddafinga on Thursday, April 14, 2005 7:58 PM
The paint might be clogging on you. Have you tried thinning it more? There are guys better versed in airbrush maintenance than I who should be along before too long. If you're using a C though and not a CS, you've got a smaller nozzle that wasn't designed for big pigments like model paints have. First thing I'd try is thinning the paint way down.
Madda Trifles make perfection, but perfection is no trifle. -- Leonardo Da Vinci Tact is for those who lack the wit for sarcasm.--maddafinga
  • Member since
    April 2003
  • From: Edgware, London
Iwata Gremlins
Posted by osher on Thursday, April 14, 2005 3:05 PM
I was just wondering if someone could let me know what's wrong with my Iwata HP-C. Basically, when I run it, the paint doesn't always come out. Sometimes it's nice and smooth, then sometimes it's like a sulky teenager, or even being shy. The airflow too is inconsistent. Unless that is, I remove the cover from around the needle, then the airflow comes out sweet as a nut. I looked at cleaner in the bowl, and it looks almost like the air is coming into the bowl, and blowing back into the fluid.

Have a damaged the needle? Is the crown damaged? Is it something else? Help! Thanks for reading this plea....
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