Im going to pull the cover off and check the gaps and make sure its not full of bricks because it was about 300lbs

I work as a "fabricator" for one of the larger airlines. Learned to weld in the military, mig, stick and oxy/fuel. I have an old Miller Syncrowave that I bought years ago and have never plugged in. Im wanting to pick up tig to hopefully repair some damaged cast aluminum and for some other ...