Reply by 8iowa

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Posted on how hot is the motor supposed to get?

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1580 posts in 3783 days

#1 posted 04-25-2013 02:47 PM

dhazelton is spot on. Take it to a motor shop for a little TLC. This motor is worth the expense. I would probably invest in a new set of bearings while it’s at the shop.

I suspect that it is rated 55 degree C temperature rise over a 40 degree C ambient. A 40 degree C ambient translates to a maximum “room” temperature of 104 degrees F. Add the full load temperature rise of the motor (55 degrees C) and you get a maximum temperature inside the motor of 203 degrees F. The outside temperature of the motor won’t be that hot, but since the human limit is around 125 to 150 degrees the motor will be too hot to keep your hands on it. However, the motor is still just fine.

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