posted December 01, 2006 04:23 PM
My Iwata HP-C got weird today. After working fine yesterday and a thorough cleaning, I'm not getting air from the trigger. I've taken it apart and tested the inner air valve of the stem...works fine that way, but set the trigger back in and it's useless.
Anyone run a cross this before and have a fix?
Thanks. Rapid
-------------------- Ray Rheaume Rapidfire Design 543 Brushwood Road North Haverhill, NH 03774 rapidfiredesign@hotmail.com 603-787-6803
I like my paint shaken, not stirred. Posts: 5648 | From: North Haverhill, New Hampshire | Registered: Apr 2003
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I've had that problem quite a few times and sometimes there is just no answer. I've actually just quit using one that did the same thing before.
There's a chance it's not the air vavle at all, but the head assembly or aircap letting air bleed by them. I've found that sometimes one of them leaking will cause the brush to completely shut down.
Check them to see if they are tight enough or too tight. Sometimes either will cause symptoms such as you describe.
I have used teflon tape as a sealant with some success.
Hope this helps, R.T.
-------------------- R.T.Thomas,AirDesigns/Sign And Airbrush Studio rtart1@earthlink.net
Hattiesburg,MS 39401 Shop 601-584-1000 Cell 601-310-5901 Proud supporter of LETTERVILLE!
"Ahhhhhh.......Juicy Fruit." Posts: 547 | From: Hattiesburg,MS USA | Registered: Nov 1998
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The knuckle valve from were the hose connects to the airbrush (on the airbrush) has to be failing. It will have enough pressure to spray air or some water but with the paint in the system it cannot.
-------------------- Stephen Deveau RavenGraphics Insinx Digital Displays
Letting Your Imagination Run Wild! Posts: 4327 | From: Lower Sackville, Nova Scotia, Canada | Registered: Jan 2000
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posted December 02, 2006 10:37 PM
I've also had this happen many times and like my mate RT said sometimes they just seem to have a mind of their own. One way i've got them to work after this is to pull them apart like you already did) but use airbrush lube on all parts as you put it back together. This "may or maynot" work depending on what mood the airbrush is in.
good luck!
Rod
-------------------- Rod from, EAST COAST AIRBRUSHING "Airbrush Art & Graphics" Nambour; Sunshine Coast, Queensland. Australia E.mail: rod@rodticklesigns.com Web: www.rodticklesigns.com Posts: 635 | From: Nambour, Sunshine Coast, Queensland | Registered: Dec 1998
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posted December 03, 2006 07:22 AM
Must be that time of the month...tried all of the above (Thanks Mark M for the help on the phone) but it's still not there yet.
The only way I can explain this is...
When the airbrush is disassembled, I can hook up the air and use the flat end of the needle to press in the air valve pin. No problem...the air's coming right through with plenty of pressure. Using the trigger, there's no air. I did notice that pressing the trigger a few times eventually led to a small puff of air upon releasing it.
I have a few other airbrushes around and have gotten through the sign work over the last couple of days, but I sure would like to get this one figured out. I use the Iwata for more detailed stuff like bikes and smaller projects.
Still chugging away... Rapid
-------------------- Ray Rheaume Rapidfire Design 543 Brushwood Road North Haverhill, NH 03774 rapidfiredesign@hotmail.com 603-787-6803
I like my paint shaken, not stirred. Posts: 5648 | From: North Haverhill, New Hampshire | Registered: Apr 2003
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posted December 03, 2006 09:52 AM
It worked fine til you cleaned it, now it's screwed up?.....been there done that. Did you soak the airvalve in thinner??? That's probably the only thing you can screwup. If it worked fine before dissassembly nothings worn out. I've had to reassemble them three or four times to get them to work. They are pretty simple little devices but fussy as hell.
-------------------- George Perkins Millington,TN. goatwell@bigriver.net
"I started out with nothing and still have most of it left"
posted December 03, 2006 03:55 PM
Send it back to Medea and get it overhauled; they will do it up good for you for a good price. Then jack it up and put a Micron under it!
-------------------- Ricky Jackson Signs Now 614 Russell Parkway Warner Robins, GA (478) 923-7722 signpimp50@hotmail.com
"If I have seen further it is by standing on the shoulders of giants." Sir Issac Newton Posts: 3528 | From: Warner Robins, GA | Registered: Oct 2004
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posted December 03, 2006 06:30 PM
I'm on Rod's side in this... I love lube
I find especially after a proper clean, when you have gone to all the bother of pulling the gun right down and making sure that every little bit is spotless... sumfin is gunna screw up
you put it back together and the air is just not right?... yep had that happen heaps, on the HP-C and the Micron
I take the air valve pin out and put a drop of lube on it... then lube the trigger, etc
before puting the needle back in I have to make sure the trigger is doing it's bit
with my gun's I'v found that it's sorta like an airbubble effect that stops the trigger releasing the air once it's back in place (if that makes any sense)
anyway I've been lucky cause the lube fixes it every time
then last week I had an air blockage in the Micron's under bit... you know where the air comes to front of the gun
just the tiny-est bit of crap that I dug out and yipee I had air
like George said 'They are pretty simple little devices but fussy as hell'
good luck
cheers gail
-------------------- Gail & Dave Hervey Bay Qld Australia
gail@roadwarriorproducts.com.au
sumtimes ya just gota! Posts: 794 | From: 552 O'Regans Creek Rd Toogoom Qld 4655 Australia | Registered: Nov 1998
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