Welding repair

417chevy · Jul 9, 2015

My welder seems to have taken a dump the motor won't spin to feed any wire had a capacitor pop in the circuit board and I got that fixed with the exact same thing still won't turn that damn motor any one have any ideas?

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417chevy · Jul 9, 2015

mac tools mw 165 what welder I have

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pholmann · Jul 9, 2015

I'm not sure who makes the Mac welder so for them but I have a miller that has a fuse inside that controls the spool circuit. I had a problem with it a while back. May be something to check. Picture of said welder?

417chevy · Jul 9, 2015

Yeah I've checked the fuse and it's good

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Nuts · Jul 9, 2015

Does gas come out when you pull the trigger? If not check the pig tail going from the lead into the machine, then check the trigger it's self.

417chevy · Jul 9, 2015

AdamF said:
Does gas come out when you pull the trigger? If not check the pig tail going from the lead into the machine, then check the trigger it's self.

yes it does

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Beerj · Jul 9, 2015

Changing wire once I bumped the spool gun switch. Didn't figure it out until I had tech support on the phone. :spin:

Technician · Jul 9, 2015

417chevy said:
Yeah I've checked the fuse and it's good

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well thers you problem. your screw driver is too big.

BUG-E J · Jul 9, 2015

Technician said:
well thers you problem. your screw driver is too big.

What if he needs to go after a really big screw

poolman · Jul 9, 2015

Then he definitely has the proper screwdriver, good luck with fix and keep up the work.

biggin · Jul 10, 2015

My Hobart 180 handler done the same thing. Got to reading and it pointed toward the control board. $325 for a control board. Dug a little deeper and found that a transistor on the board was likely the culprit. Ordered 3 transistors through digikey for less than $5 and it fixed it.

biggin · Jul 10, 2015

Just so you know mine would arc, gas valve open, and try to weld but the wire feed motor would not feed the wire. A lot of these welders use the exact same components.

Beerj · Jul 10, 2015

Aren't Hobart and Miller somehow related?

85toyo · Jul 10, 2015

Beerj said:
Aren't Hobart and Miller somehow related?

Miller owns Hobart as far as I know.

417chevy · Jul 10, 2015

Yeah just ordered this .14c part so we'll see if that fixes it

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417chevy · Jul 17, 2015

Well after 3 hours of diggin and being told by Mac that welder was made by miller 4 different times turns out it indeed is not a miller it's a Clarke welder which are a company out of the u.k so email has been sent on a PC board

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