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Airbrush Disaster

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  • Member since
    January 2015
  • From: Katy, TX
Airbrush Disaster
Posted by Aggieman on Friday, April 1, 2022 5:33 PM

Looking for advice on my airbrush problems.

Background:  I have an Iwata HP-CS Eclipse that I used for 10 years with no problem, until a couple of months ago when I noticed paint seeping into the far rear part of the unit.  I replaced the needle and nozzle, and removed the needle packing screw set to inspect it for any visible damage.  That part appeared to be fine.  But still, I have paint seeping where it should not.

I actually bought a second HP-CS and used it to finish out my pair of F-86D Dog Sabres.

But now on my current project, I cannot seem to get the new HP-CS to spray anything, quite literally.  It is put together correctly.  It is clean.  I have disassembled it to verify there is no built up paint inside.  I've lubed the needle.  I've cleaned the nozzle.  And it won't even spray water.  I have it connected to a Craftsman air compressor, and it does spray air.  On the other end of the air tube is a water trap, which came with the new HP-CS and is a new addition to my airbrush setup.  But as I said, this thing worked just fine while I finished those F-86s.

Did I get a lemon?  Or despite what my eyes tell me, is there dried paint in there that I simply cannot see?

My typical cleaning regimen is to spray Tamiya airbrush cleaner through to break down and clean out any paint inside.  I then disassemble and clean the individual parts with lacquer thinner (needle, nozzle, inside the forward areas of the airbrush, the nozzle cap, and inside the paint cup).

I tried using a couple of my older airbrushes.  I didn't seem to have the correct paint cups for the Badger Crescendo.  I was able to paint with the older Badger Universal 360 but it had a lot of spewing problems.  Probably wasn't real clean or perhaps it didn't know what to do with itself, suddenly being used after sitting in a drawer for more than 10 years.

I have thinner for each of the brands of paint that I use - Alclad, AK Interactive, Vallejo, Mission Models, and Tamiya.  The paint is plenty thin to spray through this thing.

I really like the Iwata.  Any suggestions as to what I should do with it (the new one)?  Had I bought it at a brick-and-mortar location, I'd be returning it, but I got it online from Hobby Lobby.  I'll have to see if the local store will take returns.  Failing that, is there another model or brand to recommend?

  • Member since
    April 2020
Posted by Eaglecash867 on Friday, April 1, 2022 5:58 PM

Paasche H Big Smile

"You can have my illegal fireworks when you pry them from my cold, dead fingers...which are...over there somewhere."

  • Member since
    March 2003
  • From: Western North Carolina
Posted by Tojo72 on Friday, April 1, 2022 7:41 PM

Does Iwata have a warrenty repair or replace service,I mean if it's new,don't they stand behind it.

  • Member since
    January 2015
  • From: Katy, TX
Posted by Aggieman on Friday, April 1, 2022 11:09 PM

They do, if their web site is accurate.  I will be sending it back to them.

  • Member since
    October 2008
  • From: Fullerton, Calif.
Posted by Don Wheeler on Sunday, April 3, 2022 2:16 PM

Unless you're really sloppy, the only path for paint to get into the rear of the airbrush is through the needle seal.  It could have a scratch that's not obvious.  The little Teflon piece is replaceable.

On the other Eclipse, it could be the channel to the cup is blocked.  If you tilt it down and pour water in the cup, does it run out the front?  Since you have two of them, you can do some part swapping to troubleshoot.

I would expect Hobby Lobby would let you return it if you have a copy of the purchase order.

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

A collection of airbrush tips and reviews

Also an Amazon E-book and paperback of tips.

  • Member since
    February 2022
  • From: Adelaide
Posted by BattleTweety on Sunday, April 3, 2022 4:32 PM

I had my new Iwata Eclipse arrive last week and have found it to be extraordinarily good. None of the problems you've mentioned. Certainly several orders of magnitude better than my old one, which was a cheap noname brand.

i agree with the other post, check your plastic washer inside that seals the needle tube.

cheers

BT

On the neverending quest for the perfectly built model kit.

  • Member since
    October 2017
Posted by Dominic L on Thursday, April 7, 2022 9:47 PM

Aggieman, You have the best brand. I wouldn't return it.

Sorry if this sounds obvious but seeing as you have tried everything else, this is what I'd try...

Remove the back handle and try spraying some water through it.  This way you can see if the needle is retracting when you move the trigger (main lever) back.  Also, you can loosen the needle chuck and you can move the needle back and forth manually while spraying as well. If it worked before you dismantled it, it just may be something that's been over looked. 

Dominic

 

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