I've got the chance to grab an older Lincoln Idealarc 250 from a garage sale. It looks ok all in all, but seller said it hasn't been tested and no one knows if it works. It's a hit or miss I guess. It does the typical 300A AC / 250A DC, and I'm assuming it's been well cared for based on the rest of the inclusions. Unfortunately, my garage only has a 30A 230V circuit. I know these machines can pull a lot more, like maybe 50-80A at full tilt? Do you think I could get away with 110A output max before it trips? Also, with the age and unknown status, what would be a fair price? I don't mind fixing it up if needed.