I replaced an old champion motor today that had been running well for the 11 summers I've owned the house, with a couple of seal replacements along the way, because it stopped starting unless I gave it a bit of a "jump start" by turning the shaft by hand (brushes?)
Rather than tear into it, in light of its age, I bought a champion/century replacement with the same SF and got it installed today.
The old motor was clearly wired for 220 by the circuit diagram on the outside, but when I measured the voltage across the two wires, not the ground, I got 118 (I got 120 on my indoor sockets). I assumed this meant I had 110 at the motor, so I rotated the dial to that position.
Now when I start it, it trips after about 10 seconds. and it does get hot!
DId I measure the voltage correctly? The breaker for the circuit also supplies the accessory pump and is a double 20 amp breaker.
When I replaced the accessory pump in the spring, I wired it just as the old one had been, I think for 110, and it has done fine. COuld two motors on the same circuit/breaker be receiving diff voltages? Once this problem is resolved, should I recheck (properly) the voltage to the other motor?
I'm not helpless, but I'm in a bit over my head. Lil help?