On 2008-02-19, Dave, I can't do that wrote:
Thanks Gerald,
All a little too late, as you suggested, I think there was something
in the switch that went with the relay. When I tried a conventional
DPDT switch, got 18 Amp draw to the motor and shortly thereafter, more
smoke. Ahh well. It served it's life well.
It might not be dead yet -- a short bit of smoke from the
windings is not always a sign of it dying -- though if you let it run
too long, it will die.
Two possibilities:
1) Bearings or drag somewhere in the mechanism, so the motor is
having to work a lot harder than normal.
2) As someone else mentioned, a current relay which is supposed to
switch off a start winding of some form is not working -- welded
contacts or debris (swarf) keeping the armature from moving to
break the circuit.
But -- it might be time to replace it anyway.
Good Luck,
DoN.
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