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- Jan 22, 2011
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On the main diagram, T1 shows to have a 230 primary. The additional diagram is a supplement where it came factory wired for 460. Probably a different transformer. Before getting too excited about it, I'd get a price on a replacement T1. Yes, probably plenty of money, but cheaper than a whole new welder. Check that PC1 has the same inputs as shown. I would presume so, since there is no other schematic.