Weldcraft TIG torch Flexhead 17 leaks

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At work i have a flexhead TIG torch seem to have a leak but i don't understand, the leak seem to be from the inside of the head where its supposed to be normal, the thing is when i oppen the argon vavle, in a normal situation, the gaz flow begin when i push on my pedal, and stop seconds after, but now, when i open the gaz valve the gaz flow begin at the sametime and never stop, if i try to push the pedal its doing normal, i can weld and the normal gaz flow is activated, but when i stop welding, the "normal" gaz flow that my pedal activate stop and a smaller debit continu leaking, i have to close the bottle.Calculator > Bevel Square
Reply:That sounds like your problem is the valve in the welder not the torch. Could be mechanical a stuck valve or electrical, its an easy troubleshoot.  mechanical  check:Unplug the welder and turn on the gas see if it leaks.  If it dose that tells you the valve in the welder is open. If it dose not leak that tells you the valve is being activated by something. Electrical check: Two possibilities here:  Remove the foot switch, plug the welder back in and turn it on, if no gas leak the foot peddle is toast. If the gas leaks then the control circuit of the welder is not working correctly. This should isolate the failure for you. Be sure to tell us what you find or ask for information if not clear as to what has been suggested.GregMagazines have issues, everything else has problems
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