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used miller dialarc

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  • used miller dialarc

    i just picked up a older miller dialarc tig machine. It works great but i am having a problem.the problem is it flo's argon continusly. I tried adjusting the post flo no luck. I unpluger the foot peddle no luck. is there a interanl switch to stop this or do i need to replace somthing? any help would be great.

    Beau

  • #2
    Sounds like the gas solenoid is stuck open.

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    • #3
      i thought of that so i unpluged one of the wires going to the solinoid and it shut off.

      Beau

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      • #4
        Sounds like you have a stuck post flow relay, open the covers up, you'll see a relay marked TD1, tap it with the back of a screw driver. This should free the contact ponts. You may have to replace this relay.

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        • #5
          is the relays the same unit the the post flow dial is on?

          Beau

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          • #6
            anyone know were i can find a wiring diagram?

            Beau

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            • #7
              Originally posted by BLACKSI
              anyone know were i can find a wiring diagram?

              Beau
              Look for the manual on this site. You may have to pay for it, but many are downloadable.

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