Originally Posted by BruceTS
The one I got, they have had no real problems. One of their Plasma/TIG/Arc units would burn out the mosfet's only under specific conditions. They came up with a fix and shouldn't be an issued again. Parker is the only company that actually does component level repairs and if needed change the design to improve the product.
I'll be building the jigs today to make it easier to cut out for the trailer hitches and other parts..
As for air supply, you need a constant 70 psi, which was the reason I didn't get one til now. I finally hooked up that shop compressor, so I no longer have a supply problem.