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Need Help Repairing a sparking Old Amaco Electric Wheel No.1-101


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I was gifted an old High School Amaco electric two speed wheel No. 1-101 and every time I switch speeds after I’ve been using it for over a minute, it sparks.  Orange and red sparks coming from the motor… I don’t have manual and I have no clue what’s wrong. After throwing for about an hour it starts to smell. 
Any advice would be greatly appreciated! Thank you! 
 

 

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Hi SacredDrop, Welcome to the Forum!

The motor might need a clean up, and/or new brushes? ...could have a bad switch, faulty winding (particularly if the two speeds are achieved via two separate windings)?
Identifying and correcting the problem(s) might extend the life of the motor*.
Finding an electric motor shop that can help - I see there are several in the Boise area - might take some looking and luck.
Can the motor be repaired? Is it worthwhile?
From Boise Electric Motor Repair webpage: "We repair pumps and motors of any kind."
 

*the sparking and heat (and hence, smells) may reduce the life of the motor...

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They are still in business so a call to Amaco might be revealing. They also seem to sell Amaco motors as well as brushes on their site. Maybe matchup to what you have. Your motor hopefully has a nameplate. Amaco website https://shop.amaco.com/equipment/parts/brent/wheel-motors/

Edited by Bill Kielb
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