I bought a SB Heavy 10 lathe around a year ago. I cleaned it up and around a month back, I tried hooking it up electrically. It has a 3-phase, 220-Volt, 1/2 HP motor and a 3-phase converter.
When hooking it up, I attached all three wires, the left and right 110-Volt legs, plus the neutral return wire. Later, I found out that I should have only connected the two 110 Volt hot legs and left the neutral off.
No sparks or fireworks, but the capacitor (or whatever the cylindrical component inside the converter is) got hot. The motor never came on. It didn't show any signs of life even after I hooked it up to just the two hot legs as it should have been.
I was told when I bought the lathe that it had been working before they removed it from the shop floor. The previous owner also probably told me to only hook up the two hot 110 Volt legs and leave off the neutral wire, but in the time between purchase and first attempt to run it, I forgot that detail.
Not sure if I damaged/destroyed the converter or if there is some other problem or issue. How do you test a 3-phase converter?
If it is toast, should I just consider buying a 110-Volt, 1-hp replacement motor?
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