I have a Trailblazer 302 (model just before the 302 air pac) I am trying to TIG off off of it. I can TIG carbon steel great but when I go over to Aluminum on AC it just arcs a flaze with no heat and burns out the tungsten. Im using 2% thorated. Some one told me that I need a frequencey box but i thin this machine has it built in. Any suggestions?
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01-08-2013, 08:30 AM #1Junior Member
- Join Date
- Jan 2013
Trailblazer 302 TIG welding Aluminum Problem