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'Pulsing' airbrush - Badger 150

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  • Member since
    April 2003
  • From: 41 Degrees 52.4 minutes North; 72 Degrees 7.3 minutes West
'Pulsing' airbrush - Badger 150
Posted by bbrowniii on Tuesday, February 12, 2008 6:25 PM

I am a little confused and hope you guys can help me out.  I have a Badger 150 double action airbrush.  I have had it for years, but only recently have I really started to appreciate the magic that is airbrushing.  I clean my brush dutifully after every session (a habit I learned that hard way after failing to do so on an occassion).

My problem is this - I recently bought a fine needle and tip for my airbrush.  Today when I was using it, I notice that the paint flow seemed to come out in 'pulses' as if the air was bing interrupted.  I was painting MM Topside Green enamel, mixed with mineral spirits in a 1 - 1 ration, so it was pretty thin.  My compressor was set on between 10 and 15 psi.  I fiddled with if for awhile, but could not get a steady flow.  The pulses seemed too regular to be caused by airbubbles, plus, as I said, the paint was pretty darn thin.  So I broke her down and cleaned her up.  As I started this, and was spraying clean spirits through, I noticed that the flow seemed to return to normal when I took the paint cup off. 

After cleaning, I re-assembled the brush, but with the medium needle and tip.  I sprayed a cup of spirits with no problem (at this point I had cranked the psi up to about 30 just to see if that would help).  I took the brush apart again, put the 'F' tip and needle on, left the psi cranked up, and the problem returned.  I am stumped.  Any ideas what might be causing this and, more importantly, how I alleviate it? 

'All that is necessary for the triumph of evil is for good men to do nothing' - Edmund Burke (1770 ??)

 

  • Member since
    January 2004
  • From: USA
Posted by MusicCity on Tuesday, February 12, 2008 6:52 PM

There is a Teflon washer between the body and head assembly.  If that washer gets flattened, which is common over time, pulsation will occur.  That's the most common cause I've run across.  I usually keep a couple of them on hand for when that starts.

The part number is 50-065 and yo ucan see it right behind the head on This Illustration.  You can prevent it from flattening by loosening the head assembly prior to storing your airbrush.

Scott Craig -- Nashville, TN -- My Website -- My Models Page
  • Member since
    May 2005
  • From: Left forever
Posted by Bgrigg on Tuesday, February 12, 2008 7:01 PM

I see the title and go "I KNOW THE ANSWER", but get distracted for five minutes. Enough time for MusicCity to come along and post first.

So I'm reduced to "What he said" Laugh [(-D]

So long folks!

  • Member since
    January 2004
  • From: Chicago area
Posted by kenbadger on Tuesday, February 12, 2008 7:22 PM

When you say needle and tip - are you referring to the entire head assembly or just the tip? 

If you mean the entire head assembly, it may be one fo several things.

1. There may be a hair line split in your paint tip.

2. Is your spray regulator completely snugged into place?

3.  It may be the internal teflon needle bearing (not likely if the other size needle and nozzle work properly)

4.  as indicated already it may be the teflon head seal has some disconfiguration, but that should not be the case on a new head asembly.

If you mean only the tip and not the whole head assembly you may have the fine tip and needle set up with the medium spray regulator.  If this si the case you will need to also change the spray regulator to the fine variation.

Additionally, I would recommend staying at leat at about 18psi., if at all possible.

If none of this solves your concern, please email me direct at kenbadger@aol.com for further direction.

 take air,

 ken

www.myspace.com/kenbadger

www.myspace.com/badgerairbrush

www.badgerairbrush.com

Take air, Ken @ Badger

Mark 10:27

kenbadger@aol.com 

AMERICAN MADE AIRBRUSH EXCELLENCE 

www.badgerairbrush.com

  • Member since
    April 2003
  • From: 41 Degrees 52.4 minutes North; 72 Degrees 7.3 minutes West
Posted by bbrowniii on Tuesday, February 12, 2008 9:05 PM
 kenbadger wrote:

When you say needle and tip - are you referring to the entire head assembly or just the tip? 

If you mean the entire head assembly, it may be one fo several things.

1. There may be a hair line split in your paint tip.

2. Is your spray regulator completely snugged into place?

3.  It may be the internal teflon needle bearing (not likely if the other size needle and nozzle work properly)

4.  as indicated already it may be the teflon head seal has some disconfiguration, but that should not be the case on a new head asembly.

If you mean only the tip and not the whole head assembly you may have the fine tip and needle set up with the medium spray regulator.  If this si the case you will need to also change the spray regulator to the fine variation.

Additionally, I would recommend staying at leat at about 18psi., if at all possible.

If none of this solves your concern, please email me direct at kenbadger@aol.com for further direction.

 take air,

 ken

www.myspace.com/kenbadger

www.myspace.com/badgerairbrush

www.badgerairbrush.com

Hey guys,

Thanks for the help and the insight.  Funny thing is, after you all mentioned that teflon washer, I realized that mine is... gone!  Perhaps that is contributing to the problem?  Now, the problem is where to get a new one...  Might have to run to the ol' LHS tomorrow or Thursday...

 

On a side note, Ken, I'd like to echo some comments I saw in another thread and say how great it is that you have joined this site and seem so willing to participate.  The fact that you took a minute to address my problem speaks volumes, IMHO.  So thanks, and I look forward to your insight and participation.

One final thing, just to answer your question Ken.  I was referring to the entire head assembly.  I thought at first I might have gotten the spray regulators mixed up, but I did have the correct one on.  I don't think (or, let's say, I HOPE I don't) have a crack in the head assembly, but I'll inspect that too.  If I am lucky, I'll get that teflon washer/ring/head gasket thingy (sorry for all the technical jargon...) and it'll work like a charm.

Thanks again!

'All that is necessary for the triumph of evil is for good men to do nothing' - Edmund Burke (1770 ??)

 

  • Member since
    January 2004
  • From: Chicago area
Posted by kenbadger on Tuesday, February 12, 2008 11:44 PM

let me know if you have any prob locating the teflon head seal (thingy #50-055)

 

my direct email is kenbadger@aol.com

Take air, Ken @ Badger

Mark 10:27

kenbadger@aol.com 

AMERICAN MADE AIRBRUSH EXCELLENCE 

www.badgerairbrush.com

  • Member since
    March 2006
Posted by simpilot34 on Wednesday, April 16, 2008 1:54 AM

Hey Ken!!! G'day, I have the same pulsating problem on my old 200. I have replaced the nylon washer and still the same thing. I tried to look as deep into the body as I could with muliple magnifying and the sorts and couldn't see anything out of the norm. I have hardly used it after over 18 years and I have an affection for this airbrush since it was my first one. Being a badger, I am NOT going to just buy another airbrush of some sort as my wife suggested. I want this one to work again, I miss using it. I have upgraded it to an EF tip, needle, and spray regulator. so the pulsating I believe is more internal than the tip area. Any suggestions?????? I will take a closer look at the head and see what I can find.

Cheers, simpilot34

Cheers, Lt. Cmdr. Richie "To be prepared for war, is one of the most effectual means of preserving the peace."-George Washington
  • Member since
    April 2003
  • From: Hayward, CA
Posted by MikeV on Wednesday, April 16, 2008 4:50 PM
 simpilot34 wrote:

Hey Ken!!! G'day, I have the same pulsating problem on my old 200. I have replaced the nylon washer and still the same thing. I tried to look as deep into the body as I could with muliple magnifying and the sorts and couldn't see anything out of the norm. I have hardly used it after over 18 years and I have an affection for this airbrush since it was my first one. Being a badger, I am NOT going to just buy another airbrush of some sort as my wife suggested. I want this one to work again, I miss using it. I have upgraded it to an EF tip, needle, and spray regulator. so the pulsating I believe is more internal than the tip area. Any suggestions?????? I will take a closer look at the head and see what I can find.

Cheers, simpilot34

Ken is really busy so why don't you email him directly at:

kenbadger@aol.com

Wisdom is the right use of knowledge. To know is not to be wise. Many men know a great deal, and are all the greater fools for it. There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom. " Charles Spurgeon
  • Member since
    March 2006
Posted by simpilot34 on Wednesday, April 16, 2008 6:27 PM
Cheers Mike, will do that.Make a Toast [#toast]
Cheers, Lt. Cmdr. Richie "To be prepared for war, is one of the most effectual means of preserving the peace."-George Washington
  • Member since
    November 2007
  • From: PA
Posted by Crane on Thursday, April 17, 2008 9:54 AM

Ohhhh !!!! Yes !!!!!

Finally !!

I have been going nuts with what sounds like the exact same problem !!!!!!!

I bought a very expensive Iwata HP-BC. First model 'season' , I could literally sign my name in script with the brush. I packed it away during the winter, and next time I tried to use it - pulsing all the way.

I keep the brush very clean, tried everything I could think of - nothing worked. I finally sent the brush away to Iwata in Oregon. I got it back saying 'nice clean airbrush, no problems found'.  Then I gave up.

 

Here are my exact symptoms, which sound similar to the original poster. 

1. press down trigger. paint flows for about 3 seconds.

2. if i keep holding down the trigger, i could open the air and paint wide open, not another spot of paint will come out. I can hold it up to white paper - NOTHING comes out of the airbrush.

3. release trigger and steps 1 and 2 repeat

 

I did notice that with water or mineral spirits the problem does not show up.

 

  • Member since
    January 2004
  • From: USA
Posted by MusicCity on Thursday, April 17, 2008 3:22 PM
 Crane wrote:

Here are my exact symptoms, which sound similar to the original poster. 

1. press down trigger. paint flows for about 3 seconds.

2. if i keep holding down the trigger, i could open the air and paint wide open, not another spot of paint will come out. I can hold it up to white paper - NOTHING comes out of the airbrush.

3. release trigger and steps 1 and 2 repeat

 

I did notice that with water or mineral spirits the problem does not show up.

 

Nope, not the same situation.  You are either using acrylic paints and experiencing "Tip Dry" and/or your paint is not thinned enough.  If it's acrylic try adding acrylic retarder to the mix (available at any good art store). 

Scott Craig -- Nashville, TN -- My Website -- My Models Page
  • Member since
    November 2005
Posted by Anonymous on Thursday, April 17, 2008 5:02 PM

I agree with Scott 100%. 

 

E

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