Hobart 187 gas won't stop

Salt Creek Bar-B-Que · Posted: Mar 10 2014 Post subject: Hobart 187 gas won't stop

The gas on my 187 won't shut off when the trigger is released. Normally I hear a "click" of a solenoid when I release. That doesn't happen. Thoughts or suggestions? Would AirGas work on it? Or is it something I can do myself? Thanks!!
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Blazer · Posted: Mar 12 2014 Post subject:

Salt creek,I swear I replied to this the other day. ???? . I think you my have a wire loose to your switch in your gun. If so when you unplug the mig gun the solenoid will release.

Salt Creek Bar-B-Que · Posted: Mar 12 2014 Post subject:

I will give that a try, but could the line be clogging if it got dirt in it?
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Blazer · Posted: Mar 13 2014 Post subject:

It could be. I would check it with a multimeter

Salt Creek Bar-B-Que · Posted: Apr 08 2014 Post subject:

Blazer-

The welder is very inconsistent with the problem. When it is doing it, I can shut the gas off, turn the welder off and it still has a humm noise to it. I unplugged the gun line from the welder and the humming continues. Any other suggestions besides the gun?
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Blazer · Posted: Apr 09 2014 Post subject:

Salt creek, that pretty much narrows it down to the solinoid. If you tear into it yourself be very carfull of what you touch. The capacitors in there will hold a charge even when not plugged in. Very Happy