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Problem with table saw motor.

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Forum topic by Leonardthecat posted 01-29-2017 11:46 PM 470 views 0 times favorited 7 replies Add to Favorites Watch
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Leonardthecat

15 posts in 566 days


01-29-2017 11:46 PM

Quick question. I was using my table saw to cut some slots in a box to fit some splines and the saw started to bog down. I turned it off and now when i start it up it’s slow to get going and bogs down every time i put a piece of wood through it. I asked my brother he said it could be bad brushes on the motor? Wondering if anyone else has had this problem or is experienced with motors.
Thanks!


7 replies so far

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GR8HUNTER

2965 posts in 551 days


#1 posted 01-29-2017 11:57 PM

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MrUnix

6006 posts in 2037 days


#2 posted 01-30-2017 05:51 AM

Knowing what saw we are talking about (and thus, the type of motor) would be extremely helpful. Otherwise, I’d say to make sure the tires are pumped up to 32psi, check the oil and ensure you are using fresh gas.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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knotscott

7787 posts in 3214 days


#3 posted 01-30-2017 10:28 AM

The answer likely depends on the type of motor…induction (quiet) or universal (loud). If you’re not sure, tell us the make and model, or maybe take some pics of the saw.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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Leonardthecat

15 posts in 566 days


#4 posted 01-30-2017 11:02 AM

Thanks for the responses! It’s a Craftsman , model no. 315.228310, nothing fancy.

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knotscott

7787 posts in 3214 days


#5 posted 01-30-2017 11:56 AM


Thanks for the responses! It s a Craftsman , model no. 315.228310, nothing fancy.

- Leonardthecat

Could be a bad capacitor….easy and cheap to fix if so. Your motor should have one or two “cans” poking out the side. Remove the cover(s) and see if there’s any visible damage (bloating, black, ooze, etc), and/or check the caps with a meter to see if they’re still good.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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Mike_D_S

328 posts in 2053 days


#6 posted 01-31-2017 12:08 AM

Not sure what kind of switch is has, but I recently had my TS run like it was low on power and then finally quit. In my case, the switch contacts had apparently had some arcing and one of them was only making partial contact, reducing the current flow to the motor.

You might hotwire around your switch and see if you have the same issue.

Mike

-- No honey, that's not new, I've had that forever......

View Leonardthecat's profile

Leonardthecat

15 posts in 566 days


#7 posted 01-31-2017 02:04 AM

Thanks for the replies everyone. I figured out the problem and it was nothing electrical.
I noticed the pulley was backing off the shaft a little. Come to find out the key holding the pulley to the shaft had fallen out and was making the pulley slip on the shaft a little. Luckily the key had landed next to a pile of sawdust and not in it so it was easy to find!

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