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Hey everyone, was hoping to get some feedback on an issue i'm having with my dust collector. It's a used JET DC-1100VX-BK Vortex Dust Collector 1.5HP. Link

I'm getting a pretty loud squeal every once in awhile when it turns on. Sometimes right away, sometimes after a few minutes of running. Please see the video and tell me what you think it is/how I can fix it. Is it the bearings inside the motor, the motor itself? I have no loss of CFM from what I can tell.

 

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Sounds like bearings to me… or the impeller is rubbing on something like a piece of wood. Spin it by hand and check for debris that might be interfering. If it's the bearings, that is an easy fix and will set you back about $10.

Cheers,
Brad
 

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Discussion Starter · #3 ·
Sounds like bearings to me… or the impeller is rubbing on something like a piece of wood. Spin it by hand and check for debris that might be interfering. If it s the bearings, that is an easy fix and will set you back about $10.

Cheers,
Brad

- MrUnix
I took the cover off and spun it earlier and I don't think it has any debris in it. How do I go about replacing bearings?
 

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I took the cover off and spun it earlier and I don t think it has any debris in it. How do I go about replacing bearings?
- meischmade
Pull the motor and crack it open. It's just 4 bolts/nuts. You usually can replace them without any special tools (like a bearing puller or splitter), which based on your question, I'm guessing you don't have :)

Cheers,
Brad
 

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The hardest part might be separating the motor from the impeller. If that goes well, the rest is a piece of cake. The first time I pulled my impeller I had to take the thing to a motor shop where they used an acetylene torch to heat it up and pull it (I was working on a different problem than you). The second time I did it, but it took a fair amount of pounding with a brass punch to do it. Impellers don't lend themselves to just using a normal puller to remove.
 

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When it comes to wood working machines in our shops, it is a good time to learn and not fear changing out bearings :)
 

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I had one do that. Checked and the impelller was lose. Tighten it up and the squeal got even worse. Took the impeller back off and it was one that has a bearing in it. Replaced the bearing and all has been well now for about 10 years. Could be a bearing in the motor also.
 

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Discussion Starter · #10 ·
You can take your motor to a motor shop and let them replace the bearings. It costs a little more. But it is better than replacing the motor.

- coxhaus
And that's exactly what I did. Found a shop not too far via Jet's service center page and replaced the bearings for $50 in two days. Thanks for your help everyone!
 
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