I've got a 10ER....probably the original AO Smith motor. I've replaced the old cord with a new cord and about 95% of the time it works just fine. On the other 5%, I flip the switch and you see the blade 'bump' just a tiny fraction, but nothing else happens. Try the switch again and it takes off as usual. Wondering what's going on here? I haven't had one of these motors apart yet and was wondering if there's a start-up capacitor and/or if is this a harbinger of something bad happening in the future.
Kevin
10ER Motor
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- JPG
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Re: 10ER Motor
Likely the start SWITCH(If it hums - loose connection if it does not hum). Switch????Real1shepperd wrote: ↑Mon Sep 11, 2023 10:43 am I've got a 10ER....probably the original AO Smith motor. I've replaced the old cord with a new cord and about 95% of the time it works just fine. On the other 5%, I flip the switch and you see the blade 'bump' just a tiny fraction, but nothing else happens. Try the switch again and it takes off as usual. Wondering what's going on here? I haven't had one of these motors apart yet and was wondering if there's a start-up capacitor and/or if is this a harbinger of something bad happening in the future.
Kevin
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Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10E[/size](SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange
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Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10E[/size](SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange
- chapmanruss
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Re: 10ER Motor
Below is a picture of the A. O. Smith 1/2 HP Motor commonly supplied with the Model 10ER when the purchaser opted for the motor included.
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I have restored more than 20 Model 10's with the A. O. Smith 1/2 HP Motor and none had more than a need for some cleaning dust out, checking the contacts on the internal start switch (which I suspect may be your problem) and/or replacing the bearings. Due to their age all have had the original power cord and switch replaced. The picture below shows the internal start switch contacts. Sorry, this is not the best picture to see it but to get a better one I would have to go out to the shop and open up a motor.
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You can see where the contacts are with the motor opened up. Check for dust, debris in the motor and clean contacts. Since it runs okay most of the time dust/debris getting in the contacts may be the problem.
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I have restored more than 20 Model 10's with the A. O. Smith 1/2 HP Motor and none had more than a need for some cleaning dust out, checking the contacts on the internal start switch (which I suspect may be your problem) and/or replacing the bearings. Due to their age all have had the original power cord and switch replaced. The picture below shows the internal start switch contacts. Sorry, this is not the best picture to see it but to get a better one I would have to go out to the shop and open up a motor.
_ .
You can see where the contacts are with the motor opened up. Check for dust, debris in the motor and clean contacts. Since it runs okay most of the time dust/debris getting in the contacts may be the problem.
Russ
Mark V completely upgraded to Mark 7
Mark V 520
All SPT's & 2 Power Stations
Model 10ER S/N R64000 first one I restored on bench w/ metal ends & retractable casters.
Has Speed Changer, 4E Jointer, Jig Saw with lamp, a complete set of original accessories & much more.
Model 10E's S/N's 1076 & 1077 oldest ones I have restored. Mark 2 S/N 85959 restored. Others to be restored.
Mark V completely upgraded to Mark 7
Mark V 520
All SPT's & 2 Power Stations
Model 10ER S/N R64000 first one I restored on bench w/ metal ends & retractable casters.
Has Speed Changer, 4E Jointer, Jig Saw with lamp, a complete set of original accessories & much more.
Model 10E's S/N's 1076 & 1077 oldest ones I have restored. Mark 2 S/N 85959 restored. Others to be restored.
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Re: 10ER Motor
Thanks....when I get some time, I'll break down the motor and clean it all up again.
Kevin
Kevin