Buring smell coming from Shop vac w/Dust Deputy.

  • Advertise with us

« back to Safety in the Woodworking Shop forum

Forum topic by Curly5759 posted 02-16-2019 02:10 AM 435 views 0 times favorited 6 replies Add to Favorites Watch
View Curly5759's profile


5 posts in 91 days

02-16-2019 02:10 AM

Topic tags/keywords: question

Hi all, In November I added a Dust Deputy to my shop, using a large (5.5 hp) Craftsman shop vac. The vac is about 5 yrs old but has little use. I’ve been noticing a smell of something hot when running it, as if wood were burning. It doesn’t smell like burnt/worn electric motors I have smelled int the past.

I have definitly narrowed it to the vacuum. Is this normal wood dust causing this odor as it goes through the vac, or is the vac dying? I am using 2.25 hose and there is no vacuum system, I just move the hose to each machine. When I emptied the vacuum to dump the dust, it had little to no sawdust in it. This odor has only been happening the last week or 2.

I realize it is most likely a bad vac, but don’t want to replace it if this a normal thing with the dust collector.


6 replies so far

View BlasterStumps's profile


1243 posts in 743 days

#1 posted 02-16-2019 02:20 AM

I’m sure you know, a vacuum will labor if something is blocking the hose. I would check to see that the hoses and the dust deputy are clear. You might have sucked up a rag or a slow moving apprentice and it has partially plugged it.

-- "I build for function first, looks second. Most times I never get around to looks." - Mike, western Colorado

View mel52's profile


738 posts in 568 days

#2 posted 02-16-2019 04:08 AM

I have a Dust Deputy hooked up to a big Ridged shop vac and haven’t had any troubles in three years except when ( like BlasterStumps mentioned ), was when my hose was partially blocked. That only happens when I get carried away with my planer and forget to check it when full.

-- MEL, Kansas

View Curly5759's profile


5 posts in 91 days

#3 posted 02-16-2019 12:17 PM

Thanks guys. I didn’t think to check for a hose blockage. I’ll do that today.

View Redoak49's profile


3844 posts in 2292 days

#4 posted 02-16-2019 12:18 PM

Interesting comments…my dust collector motor uses the least amps when all gates are shut off and most amps when all gates are open..

So, with a vacuum, I would think the same but maybe it speeds up when blocked.

If I have a tool with a burning smell, it goes in the trash as I want no chance of a fire.

View LesB's profile


2009 posts in 3746 days

#5 posted 02-16-2019 06:42 PM

If the smell is like wood burning could it be fine dust has gotten inside the motor compartment through the cooling vents and is cooking from the motor heat. The coating of dust also contributes to the build up of heat in the motor.

I regularly blow out the motor compartments of my tools that are exposed to fine dust using an air compressor. It is surprising how much dust comes out.

-- Les B, Oregon

View Bill Berklich's profile

Bill Berklich

709 posts in 691 days

#6 posted 02-16-2019 09:55 PM

+1 on cleaning the motor intake after the filter. I never thought to do that and when I finally did boy was it loaded. The vac depends on intake air to cool the motor so if it is clogged it may be cooking the dust hence the smell.

-- Bill - Rochester MI

Have your say...

You must be signed in to reply.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics