============================Most likely the fan itself. It is posible there is a short on the "3" or "4"
circuit. Or it could be the circuit breaker that you have to reset is bad
causing it to trip when it has a good heavy load on it. Does it trip right
away? If it doesnt, takes a while, or even a second or two, it probably isnt
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email@example.com (LRESA500) wrote in message
I can't think of anything but a binding motor. Since it's mounted
thrust washers probably take a beating, but it wouldn't surprise me if the
wicks that hold oil for the bearings have dried out because I found that by
lubing them every year I could keep the motor from squealing. This motor is
held together by bent tabs, which can break if bent too often, so I drilled
for screws to replace them. I also clean and lube the thrust washers and
clean the commutator. My factory original blower started to squeal in less
than a year,
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Try removing the fan and bench testing it.
When I did this I found that the plastic cover was holding in water
that had gotten into the vent intake and essentially the motor was
under water. I let it dry out overnight and it works fine now. (I
recommend that you let it dry out longer if that is the case with
yours). I also drilled a small hole in the plasti cover so if any
more water gets in it can drain out. I also cleaned out the area
between the hood and the windshield to get rid of the leaves and crap
that was clogging up the fender drain holes.
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