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Forum topic by AandCstyle posted 04-24-2016 10:46 PM 665 views 0 times favorited 16 replies Add to Favorites Watch
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AandCstyle

2571 posts in 1721 days


04-24-2016 10:46 PM

I have a Woodsucker cyclone dust collector with a 2hp Leeson motor that has been working fine. Today I turned it on to rip a 76” 4/4 piece of walnut. Maybe about 3/4 of the way through the task it stopped working. I checked and the circuit breaker had tripped. This was the first time I had run it in a couple hours. I reset the breaker and it tripped almost immediately, then wouldn’t even reset.

I am not electrically inclined so am at a loss as to why this would have happened. It has been in its current location for >6 months without any issues.

Can anyone suggest simple things I can try or check before I start looking for a new DC? Thanks.

-- Art


16 replies so far

View pintodeluxe's profile

pintodeluxe

4856 posts in 2278 days


#1 posted 04-24-2016 11:05 PM

With the given information, I would try it on another circuit to rule out a bad breaker. I have had to replace a bad breaker or two.

Then I would look for a reset switch on the motor or D/C unit somewhere.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View JimYoung's profile

JimYoung

227 posts in 1051 days


#2 posted 04-24-2016 11:17 PM

Hi Art,

If it is not the breaker or circuit….

I did a quick search, and there is Leeson troubleshooting guide here: http://www.leeson.com/TechnicalInformation/troubleshooting_acmotors.html

They should also have drawings and schematics to help you disassembly the motor. They also appear to have service centers across the country to get it fixed.

For your symptoms, if you have an ohm meter, you can check the discharge capacitor (looks like a small beer can), see if the windings are burnt, and check the starting switches. I assume you made sure the motor can still turn and is not jammed.

I’m not a motor expert or electrician, but I play an electrical engineer Monday through Friday.

-- -Jim, "Society is well governed when its people obey the magistrates, and the magistrates obey the law." -- Solon

View ArtMann's profile

ArtMann

140 posts in 280 days


#3 posted 04-24-2016 11:17 PM

You might spin the fan manually to see if there is any resistance to motion.

View Cathie Zimmerman's profile

Cathie Zimmerman

62 posts in 277 days


#4 posted 04-24-2016 11:45 PM

Look for a short or exposed wiring too. I also would check the outlet itself. Recently had a TV do weird stuff like that so I checked the outlet and found wiring wasn’t secured tightly. Good luck!

View Fred Hargis's profile

Fred Hargis

3941 posts in 1958 days


#5 posted 04-25-2016 10:54 AM

If that breaker won’t reset I’d sure give it some attention before moving on to the motor. Let us know what you find.

-- Our village hasn't lost it's idiot, he was elected to congress.

View AandCstyle's profile

AandCstyle

2571 posts in 1721 days


#6 posted 04-25-2016 02:21 PM

Thanks for the suggestions. I was looking for a reset button and didn’t find one, but I noticed a dark area on the side of the capacitor enclosure (I think).

I thought that was strange, so I opened it up and some water came out.

This is in my basement, but there are no water lines within at least 12 feet. The ceiling was not wet and showed no water stains. The humidity in the shop is about 55% with the temperature at 63°.

I tried it again this morning and it tripped the circuit breaker almost immediately. I don’t have another outlet to try that is within reach and I didn’t try switching out the circuit breaker after finding the water. The impeller is fine.

More thoughts, next steps?

Edit: I meant to mention that I left the capacitor open and have a fan blowing on it to try to dry it out.

-- Art

View Bill White's profile

Bill White

4454 posts in 3425 days


#7 posted 04-25-2016 03:01 PM

Pull the motor and take it to a motor repair shop. You’ll be safe ans sure that way.
Bill

-- bill@magraphics.us

View Fred Hargis's profile

Fred Hargis

3941 posts in 1958 days


#8 posted 04-25-2016 04:05 PM

Take the cap cover off, I think you’ll find the capacitor is blown. If true, it’s a cheap fix (relatively, $10-$20) and easy to do. Take the bad one (again, if that’s the case) to an industrial supply (Graingers, etc.) or a motor shop (preferably) and ask for a replacement.

-- Our village hasn't lost it's idiot, he was elected to congress.

View AandCstyle's profile

AandCstyle

2571 posts in 1721 days


#9 posted 04-25-2016 04:08 PM

Fred, any ideas why it would have filled with water in the first place? I can replace it, but I would like to solve the issue once and for all. Thank you.

-- Art

View Fred Hargis's profile

Fred Hargis

3941 posts in 1958 days


#10 posted 04-25-2016 04:22 PM

Capacitors often bleed an black oily substance when they pop. I think that’s what your seeing, once you look inside you may see where the housing cracked and leaked the stuff out.

-- Our village hasn't lost it's idiot, he was elected to congress.

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AandCstyle

2571 posts in 1721 days


#11 posted 04-25-2016 04:24 PM

I felt the oil when I pulled the capacitor out of its housing, but there was definitely water as well.

-- Art

View Fred Hargis's profile

Fred Hargis

3941 posts in 1958 days


#12 posted 04-25-2016 05:09 PM

As long as the fluids came out of the capacitor, I think you’ve found the problem. There’s really no other source for them in the motor. Even if you had a plumbing leak above the motor, it wouldn’t fill the cap cover. I think you’ll be fine with a new cap.

-- Our village hasn't lost it's idiot, he was elected to congress.

View AandCstyle's profile

AandCstyle

2571 posts in 1721 days


#13 posted 04-25-2016 06:01 PM

Thanks, Fred, I will try to find a capacitor. :)

-- Art

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AandCstyle

2571 posts in 1721 days


#14 posted 04-25-2016 10:41 PM

Thanks, everyone, I got the capacitor and am back up and running. :)))

-- Art

View Fred Hargis's profile

Fred Hargis

3941 posts in 1958 days


#15 posted 04-26-2016 10:58 AM

Glad to see you got ‘er fixed! Didn’t mention this earlier but that’s a great collector you have!

-- Our village hasn't lost it's idiot, he was elected to congress.

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