In an attempt to make my AC-225 decent at TIG welding, I added an amperage control circuit. This allows me to plug in my homemade foot pedal and fine tune the arc as I’m welding. Like most of my AC-225 …
I was inspired by Gregory Hildstrom to do some upgrades to my Lincoln AC-225. The first is to add some quick disconnects to the front panel.
Plans to add a TIG setup to my AC-225. DIY TIG foot pedal: https://www.youtube.com/watch?v=-P6w-tj8_Tk Plans for using a 240v – 12V transformer to insuate the foot pedal from the welder: https://www.hobartwelders.com/weldtalk/showthread.php?4089-Here-is-the-schematic-for-SCR-control-of-my-arc-welder&p=423414#post423414