Reply by dhazelton

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Posted on how hot is the motor supposed to get?

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2771 posts in 2320 days

#1 posted 04-25-2013 01:58 PM

”...if it’s 50years old, you got your monies worth out of it.” Never. I’d rather spend $50 to refurbish a 50 year old American motor and understand how it works than buy a new Chinese one that will probably burn out in five. These motors are simple to disassemble. Basically once you take those four square nuts off the whole affair just pulls apart. If the bearings are in good shape and don’t feel notchy when you turn the inner race I would just clean and repack. There’s a motor shop near you somewhere, just have to look in the phone book. You can take the capacitor to them to check (the cardboard covered doodad in the base) and they can sell you a new one. The wiring in the base is just wire nutted together I believe so it’s easy to disassemble. Only thing to do with the windings is blow all the dust out or use some CRC electrical cleaner. I would wire in a new 20 amp switch and grounded cord on the front of the lathe stand so you don’t have to use the toggle on the motor base. Make sure you mark the top of the end housing as I think they only go together one way. If it’s running hot you may have the belt too tight which stresses and overheats the bearings. Just pull it apart and clean and repack everything and check the wiring and test it – you have nothing to lose.

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