help conveting welder to tig
 

i have a miller 250 with ac and dc power. i went and got a tig torch and argon but cant seem to get it correct. i set the torch to negative and metal to positive what i have read. then when i scratch off it want start unless i turn the welder all way up and it blows a hole in my part. i suck at it any help would be good
here is the controlles
Attachment 13576

Re: help conveting welder to tig
 

Sounds like you just need to get better at scratch starting. you shouldn't have to crank the voltage if you have proper gas flow.

Re: help conveting welder to tig
 

will the arc start against the ground clamp?