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  1. #1
    Join Date
    Mar 2011
    Posts
    6

    Default Gas Leak Dynasty 200 DX

    Hey all,

    So I've checked all the connections on my Dynasty 200 DX with soapy water and I still can't find the argon leak. It's making me crazy! Any suggestions? And is there a way for the machine to have an internal leak? If so, how do I find it?

    Thanks!

  2. #2
    Join Date
    May 2010
    Location
    Central CA
    Posts
    781

    Default Inside

    Looks like there is a spring clamp on the hose on the gas valve. Just a thought.
    I had a Snap On welder that leaked all the gas out of the hose all the time. The welder had a 50' remote feeder. Every time you started the arc there was no gas there, nothing but bubbled metal.
    The gas valve was in the power source, not like Miller with the valve in the feeder.
    I called Snap On supplier and they said to put a valve in the feeder. Basicly I was on my own. It's Gone.
    Good Luck,
    Bob
    Millermatic 252 w/30A
    Big Blue Air Pak
    Ellis 3000 Band Saw
    Trailblazer 302 Air Pak w/ Wireless Remote
    8-RC
    Dynasty 200 DX
    XMT 350 MPa w/S-74 MPa Plus
    Millermatic 211
    Passport Plus
    Spectrum 625 X-TREME
    Lincoln SA-200 Blue Tint Red Face '63
    2-Lincoln SA-200 Red Face '68
    SA-200 Black Face '59
    SA-200 Green Lite '84
    SA-200 Green Lite '80
    SA-200 Red Face '69
    SA-200 Red Face '66
    SA-200 Green Lite '81
    '70 Black Face Round Barrel

  3. #3
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,742

    Default

    Extremely unlikely to be inside the machine, more likely in the hose to the machine. Are you using a flow meter or twin guages

  4. #4
    Join Date
    Mar 2011
    Posts
    6

    Default checked all the hose attachments...27 times.

    I'm using twin gauges unfortunately. Checked the hose crimps/clamps already any times. Submerged the whole hose in a bucket and found nada. I've had the machine a couple of years and I think it always leaked a bit, so this is not a new problem for me, but if I'm not mistaken it's getting worse. So it's in the valve you say? What does that mean?

  5. #5
    Join Date
    Mar 2011
    Posts
    6

    Default

    where is the valve in the feeder? Is it replaceable? BTW Thanks for your replies. I need to get this thing figured out before I go bankrupt

  6. #6
    Join Date
    Oct 2004
    Location
    Edmonton, Alberta
    Posts
    7,742

    Default

    There is a spring that closes the gas valve but honestly, haven't seen one let go in a Small Miller inverter yet. Does the mesh filter ( where you attach the gas hose to the machine) have any crap in it

  7. #7
    Join Date
    Sep 2005
    Posts
    216

    Default

    When I first got my Dynasty the fitting on the gas valve had to be tightened a little to stop a small leak and problem solved. Mike
    Regency 200 w/30A
    Dynasty 200 dx
    Esab 875 plasma
    MM350-P w/30A

  8. #8
    Join Date
    Mar 2011
    Posts
    6

    Default

    Cruizer, the gas hose fitting to the machine has no filter or mesh screen (it's just an ordinary conic threaded brass fitting). Wheels: The fitting on the gas valve..by this you mean to the regulator or gauges? These are all tight and don't show any leaks with the soap test.

    I'm looking through the parts list in the manual and I can't find or see where this valve is exactly. Anyone know?

  9. #9
    Join Date
    May 2010
    Location
    Central CA
    Posts
    781

    Default No feeder

    Sorry, there is no feeder on a 200DX just my story that happened to me.
    There is a valve inside the dx case that opens and closes with the foot/hand control.
    From Gas valve #4 in the parts manual, hose #17 attaches and goes to the front of the machine and out to the torch.
    IF you have checked everything else, but these, try checking the hose and clamps
    Also did you soap the tank valve open and closed.
    Story: My friend Gary was complaining about gas loss. We soaped the tank and regulator, nothing, we soaped the feeder, bingo. The hose was loose.
    Good Luck,
    Bob
    Last edited by Bob Miller; 03-17-2011 at 06:41 PM. Reason: spelling
    Millermatic 252 w/30A
    Big Blue Air Pak
    Ellis 3000 Band Saw
    Trailblazer 302 Air Pak w/ Wireless Remote
    8-RC
    Dynasty 200 DX
    XMT 350 MPa w/S-74 MPa Plus
    Millermatic 211
    Passport Plus
    Spectrum 625 X-TREME
    Lincoln SA-200 Blue Tint Red Face '63
    2-Lincoln SA-200 Red Face '68
    SA-200 Black Face '59
    SA-200 Green Lite '84
    SA-200 Green Lite '80
    SA-200 Red Face '69
    SA-200 Red Face '66
    SA-200 Green Lite '81
    '70 Black Face Round Barrel

  10. #10
    Join Date
    Sep 2005
    Posts
    216

    Default

    Yea, I meant inside the box, guess I should have been more clear about that, sorry.

    Mike
    Regency 200 w/30A
    Dynasty 200 dx
    Esab 875 plasma
    MM350-P w/30A

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