Well, there's a purge setting on the 180, which is basically just a wire
feed speed of 0. I use the purge setting to set gas flow without wasting
wire. Maybe you could rig up a switch to open the circuit to the feed
motor...
Jim Stone wrote:
> Not as far as I can tell. The owner's manual doesn't indicate
> anything about purging per se, but here's how it describes setting the
> gas flow rate:
>
> Flow Adjust
> Flow rate should be set when gas is
> flowing through welding power
> source and welding gun. Open
> feedhead pressure assembly so
> that wire will not feed. Press gun
> trigger to start gas flow.*
>
> *I could be wrong, but I assume that a purge valve could be used here,
> if the 140 had one.
>
> > Date: Mon, 2 Feb 2009 21:49:41 -0500
> > From: smarc@smarc.net
> > To: shop-talk@autox.team.net
> > Subject: Re: [Shop-talk] Basic MIG Welding questions
> >
> > Doesn't the Hobart 140 have a Purge setting? My Hobart 180 does...
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