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Table saw smoking - any ideas?

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Forum topic by Goodsh posted 01-18-2021 02:14 AM 466 views 0 times favorited 6 replies Add to Favorites Watch
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Goodsh

92 posts in 2930 days


01-18-2021 02:14 AM

Topic tags/keywords: table saw stall smoke

I have a 2 hp 220v cabinet saw (craftex cx208 which is the same as the General International 50-200 that they sold a few years ago, also same as the Magnum at KMS and almost the same as the Stallion saw at Canadian Woodworker). I was cutting a pine 2×6 that completely stalled the blade it pinched so bad (glad it has riving knife!). The motor slowed down so I slowed my feed rate and then it stalled completely. Happened pretty fast. Anyway I stopped pushing the wood and as I was shifting my hip to hit the stop button the breaker to the shop went. (It’s 30 amp). Had lights and dust collector going. Then noticed a bunch of smoke come out of the saw. I’d say a cloud about 2’ square of dark grey smoke. Flipped breaker back on and tried saw about ten minutes later with another piece and it seemed fine. Surprisingly there was no burn marks on the wood. Any thoughts? Have I done permanent damage?


6 replies so far

View Madmark2's profile

Madmark2

2307 posts in 1598 days


#1 posted 01-18-2021 03:17 AM

Check to see that the caps aren’t swelled/leaky.

If there is no more smoke and the power is still there you should be ok.

The smoke could have been the belt. Check it for a scorched spot from the motor stall.

-- The hump with the stump and the pump!

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Andre

4297 posts in 2815 days


#2 posted 01-18-2021 03:24 AM

I second the look at the belt, is it a v belt or ribbed?

-- Lifting one end of the plank.

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Scap

154 posts in 937 days


#3 posted 01-18-2021 03:38 AM

Did it smell like burnt hair?
To me a burnt motor/cap/lighting ballast smell like burning hair. Definitely a unique smell and not something I’d confuse with the smell of a burning belt.

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Goodsh

92 posts in 2930 days


#4 posted 01-18-2021 02:58 PM



Did it smell like burnt hair?
To me a burnt motor/cap/lighting ballast smell like burning hair. Definitely a unique smell and not something I d confuse with the smell of a burning belt.

- Scap

Didn’t smell like burning hair. Will check belt tonight. Thanks for the responses!

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tvrgeek

1430 posts in 2659 days


#5 posted 01-18-2021 07:13 PM

Every smoke has it’s own hint. Motors smell like “fish paper” the smell of the lacquer. Rubber is unique. Caps a sharper smell. Hot bearings different yet. I have heard of enough sawdust to get in motors to overheat then and you are smelling cooking dust.

If there was smoke, there IS a problem. Do not assume it magically fixed itself. If it was the motor, it may fail more catastrophically, like short. The motor SHOULD have an internal breaker on it though, so normally a stall won’t kill it.
If it does not run quite as smooth, then that points to the belt. Sometimes there is tell-tale black dust.

View rcs47's profile

rcs47

225 posts in 4139 days


#6 posted 01-19-2021 03:45 AM

The motor SHOULD have an internal breaker on it though, so normally a stall won’t kill it.
tvrgeek

The “should” was a problem for me. I was in the final stages of ripping trim molding for an install when the Unisaw started to smell funny. The cabinets were loaded on the trailer and we were trying to beat rain. My Dad came in and said the motor has a shut off, finish. Half way through the last piece, screech, stop. No switch. Rewind.

-- Doug - As my Dad taught me, you're not a cabinet maker until you can hide your mistakes.

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