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I have an old Warner 1/2 hp motor, 1440 rpm, probably built in the 50's. It powers a lathe which was also built about the same time, and has seen a fair amount of use, now in its third home. I know that it was turning CCW up until I plugged it in, and it brewed up CW. Name plate says 220/110 (and it's 1-phase). The motor leads have a woven cover insulation, and there is no wiring diagram anywhere. Also, I don't know if I'd trust the color of the wires; one wire has the label "3" on it. I have a bit of experience with motors, but not enough to understand wye and delta and bezacktly why it chose now to reverse itself, but I assume there is some phase thingy change between central Phoenix (where it was running CCW) and its current home (about 10 miles south-er). Would swapping the leads do the trick, or might that smoke it?
