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Badger krome issue

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  • Member since
    March, 2017
  • From: West Virginia U.S.A
Badger krome issue
Posted by Matt B on Monday, May 01, 2017 8:01 AM

Ive been using my new badger krome for about a month now and it's performed better than I ever could've expected. Then last night everything began to go downhill. I can't complete a solid line from start to finish, I'm getting uneven coverage, and it's spitting small dots of paint when I begin spraying. I've cleaned everything, and swapped out the needles/nozzles to see if that would help. One thing I would like to mention is that I'm using a small cheap tankless compressor. Is it more likely the compressor than the ab? 

  • Member since
    November, 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Monday, May 01, 2017 9:19 AM

Does your compressor have a pressure gauge?  Watch for how much the pressure drops between air flow and no airflow.

That being said, I find spitting more often is due to a clogging or cleaning issue than a steady drop in pressure.  However, if the rarer problem of intermittant, sudden changes in pressure, that is something else.

Also, check to make sure everything is tight and sealed properly when you re-assemble after cleaning.  A loose fit, or a gasket or seal out of place can cause spitting.

Don Stauffer in Minnesota

  • Member since
    March, 2017
  • From: West Virginia U.S.A
Posted by Matt B on Monday, May 01, 2017 10:07 AM

My compressor  has a pressure guage & moisture trap. I usually run my tamiya paint through at 18 psi. My compressor drops about 2 or 3lbs when there's airflow. I'll admit that I've never completely disassembled my krome. Mainly out of fear that I'd cause something like this to happen. I've broken it down for general cleaning of course, but I've never taken it down to its very core. Is that a mistake? 

  • Member since
    May, 2013
  • From: Indiana, USA
Posted by Greg on Monday, May 01, 2017 10:58 AM

Are you new to airbrushing or just new to the Badger?

Matt B

 I've broken it down for general cleaning of course, but I've never taken it down to its very core. Is that a mistake? 

Maybe, I think it depends on how far you break it down for 'general cleaning'.

I agree with Don, sounds more like something is either loose or clogged up than an air issue.

What are you thinning the Tamiya with?

-Greg

  • Member since
    October, 2008
  • From: Fullerton, Calif.
Posted by Don Wheeler on Monday, May 01, 2017 11:14 AM

Low air pressure can cause small dots of paint.  It's called stippling, and some airbrush artists use it to simulate texture.  The older version of the Paasche VL had an adjustment on the trigger to limit air and produce it.  I don't think the lack of a tank is causing your problem, but low air flow might.  Check for leaks at your hose connections.

Don

https://sites.google.com/site/donsairbrushtips/home

A collection of airbrush tips and reviews

Now also an Amazon E-book of tips.

  • Member since
    March, 2017
  • From: West Virginia U.S.A
Posted by Matt B on Monday, May 01, 2017 11:30 AM

Greg

Are you new to airbrushing or just new to the Badger?

 

 
Matt B

 I've broken it down for general cleaning of course, but I've never taken it down to its very core. Is that a mistake? 

 

 

Maybe, I think it depends on how far you break it down for 'general cleaning'.

I agree with Don, sounds more like something is either loose or clogged up than an air issue.

What are you thinning the Tamiya with?

 

I'm new to badgers and especially double action airbrushes. I start off by running 2 or 3 cup fulls of cleaner through it. Then I always remove the needle, the nozzle guard, and nozzle.  I wipe the the needle down. Soak the nozzle and guard in cleaner and brush them down. Then I brush out the inside of the AB with small plastic dental brushes and twisted paper towel. Then I reassemble everything. I always use tamiya  x20a thinner, no less than 50% thinner to paint, plus a couple drops of tamiya acrylic retarder.

  • Member since
    May, 2013
  • From: Indiana, USA
Posted by Greg on Monday, May 01, 2017 12:44 PM

Matt, you are far from a beginner and I'll have to yield to Don and others with more a/b experience.

One thing to mention, when I switched to a double action I developed a habit of not pulling the trigger back far enough to get enough paint in paint in the airflow, which combined with my switch to acrylics at the same time, resulted in a lot of dry tip and spitting and sputtering. I still fall back into this more often than I care to admit.

But Tamiya isn't a prone to dry tip as the paint I usually use, so this may  be invalid.

Hope you get this sorted soon.

-Greg

  • Member since
    March, 2017
  • From: West Virginia U.S.A
Posted by Matt B on Monday, May 01, 2017 1:25 PM

I appreciate it. I have a feeling that my problem may be a combination of one or all of the above mentioned issues. As soon as you spoke of not pulling back on the trigger enough, I immediately realized that I do that..alot. I may need need to increase the pressure some also. Lastly, I'm just gonna have to man up and take this thing apart and make sure everything inside is clean & tight. 

  • Member since
    May, 2013
  • From: Indiana, USA
Posted by Greg on Monday, May 01, 2017 2:13 PM

Though I said I'm shutting up, here's an idea.

Wet a q-tip with Tamiya x-20 and spray like you usually do. Even not pulling back the trigger far enough. If and when the sputtering starts, clean the tip with the well-soaked q-tip. If the the sputtering stops even temporarily, dry tip may be a big part of your problem.

-Greg

  • Member since
    March, 2017
  • From: West Virginia U.S.A
Posted by Matt B on Monday, May 01, 2017 5:29 PM

I increased my pressure and tightened the hose adapter on my a/b, and sure enough things began running smoothly again. I appreciate that. I can escape into my hobby zone once more and get a couple hrs of peace. Thank you.

  • Member since
    March, 2017
  • From: West Virginia U.S.A
Posted by Matt B on Monday, May 01, 2017 5:40 PM

Greg

Though I said I'm shutting up, here's an idea.

Wet a q-tip with Tamiya x-20 and spray like you usually do. Even not pulling back the trigger far enough. If and when the sputtering starts, clean the tip with the well-soaked q-tip. If the the sputtering stops even temporarily, dry tip may be a big part of your problem.

 

Any help is more than welcome. Ironically, I have this dry tip problem more often with the .3 needle than I do wth the ultra fine. The tamiya retarder seems to cause this more often also. It keeps my paint from laying down grainy, but it makes it more gooey, for lack of a better word. It likes to gum up on the end of the needle. I appreciate the advice. 

  • Member since
    May, 2013
  • From: Indiana, USA
Posted by Greg on Monday, May 01, 2017 6:00 PM

Great to hear you're all set, Matt. Yes

Sounds like Don was spot on as usual with his advice to look for loose stuff.

-Greg

  • Member since
    March, 2017
  • From: West Virginia U.S.A
Posted by Matt B on Monday, May 01, 2017 6:39 PM

Greg

Great to hear you're all set, Matt. Yes

Sounds like Don was spot on as usual with his advice to look for loose stuff.

 

Thank you both for helping out with this. I was pretty thrilled to get this thing squared away.

  • Member since
    May, 2013
  • From: Indiana, USA
Posted by Greg on Monday, May 01, 2017 6:48 PM

Matt B
I was pretty thrilled to get this thing squared away.

You're welcome, but I only tried. Mr Wheeler got it right. (as usual!)

-Greg

  • Member since
    October, 2008
  • From: Fullerton, Calif.
Posted by Don Wheeler on Monday, May 01, 2017 8:36 PM

Sometimes I get lucky.  I'm glad you got it working.

Don

https://sites.google.com/site/donsairbrushtips/home

A collection of airbrush tips and reviews

Now also an Amazon E-book of tips.

  • Member since
    March, 2013
Posted by patrick206 on Tuesday, May 02, 2017 3:50 PM

Don Wheeler

Sometimes I get lucky.  I'm glad you got it working.

Don

 

No luck involved, you've just got it all squared away. The AB master. Solved a lot of issues for me over the past few years.

Many thanks, Don

Patrick

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