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Electric Motor.

 
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Old 08-19-2019, 05:31 PM   #1
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Electric Motor.


Why won’t my “old as dirt” motor start on my table saw.
It try’s to go but just won’t spin.
It is easily turned by hand , so it isn’t seized.


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Old 08-19-2019, 05:32 PM   #2
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Re: Electric Motor.



It’s my Dado blade setup.


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Old 08-19-2019, 05:38 PM   #3
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Re: Electric Motor.


See that lump on the side of the motor?

It's called a "start capacitor"

It's the likely culprit.
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Old 08-19-2019, 05:58 PM   #4
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Re: Electric Motor.


Quote:
Originally Posted by smalltownguy View Post
see that lump on the side of the motor?

It's called a "start capacitor"

it's the likely culprit.
x2.
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Old 08-19-2019, 06:08 PM   #5
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Re: Electric Motor.


Will it start when spun by as ya turn on the switch? Start capacitor would also be my first look.
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Old 08-20-2019, 09:54 AM   #6
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Re: Electric Motor.


Remove the housing that holds the capacitor, take it to an industrial electric supply house, have them match the #'s and reinstall.
Same happened to my MK 101 tile saw---$26 in parts, good as new.
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Old 08-20-2019, 01:15 PM   #7
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Re: Electric Motor.


So a well placed techno smack with a large hammer is not the appropriate fix.
Thanks guys.


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Old 08-20-2019, 02:15 PM   #8
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Re: Electric Motor.


Prior to removing capacitor, be sure to short it out to kill the zap it normally stores. Do this while motor is not plugged in.

You may not find a perfect match in voltage & micro-farads, but as long as the new one has close to the same voltage rating, & ball park mfd's , it should work ok.

Last edited by Railman; 08-20-2019 at 02:19 PM.
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Old 08-20-2019, 02:28 PM   #9
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Re: Electric Motor.


Quote:
Originally Posted by B.D.R. View Post
So a well placed techno smack with a large hammer is not the appropriate fix.
Thanks guys.


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that's funny....

exactly how i got my jeep going this morning.

bad pcm (computer sorta). buddy told me to smack it good with the handle of a big screwdriver.

worked like a charm...

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