Harbor Freight dust collector impeller wobble

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Forum topic by jacobem3 posted 06-01-2016 03:34 PM 1554 views 0 times favorited 3 replies Add to Favorites Watch
View jacobem3's profile


30 posts in 2420 days

06-01-2016 03:34 PM

I just got my first dedicated dust collector last night, the cheap HF 2HP unit everyone modifies. I’m expecting this to be a significant upgrade from my shopvac+dust deputy combo, but for $170 my expectations aren’t super high.

It makes a little bit of a banging sound when it runs and it looks like the impeller is crooked on the shaft or maybe it’s just not very flat and/or round where it’s supposed to be. I was going to pull the impeller off and see if I could figure out how to do a crude balancing, but I haven’t been able to get it off the shaft.

I uploaded 2 videos showing the imbalance and clanking sound:

Is that normal for this machine and something people just live with or would you call this one defective? Options on the table:

- live with it
- buy the improved Rikon impeller ($100)
- return it and order a 2HP Grizzly with a larger, balanced aluminum impeller (more than twice as much at $404 shipped)

What would you guys do?


3 replies so far

View mrg's profile


874 posts in 3966 days

#1 posted 06-01-2016 04:05 PM

Defective. I would return.

-- mrg

View AZWoody's profile


1478 posts in 2191 days

#2 posted 06-01-2016 04:10 PM

I’m not a major fan of the HF dust collector but first, you could at least just take it back and exchange it for another one. Usually that’s pretty easy to do there. Then you can try some mods but really, after you start doing that, the bang for the buck starts to decrease.

Rather than mess with upgrading impellers, I would just get the 2hp Grizzly. Ater you figure the cost of the impeller and the time you put in, it’s cheaper to just get the bigger blower. Also, if you get the bigger impeller, it would really be helpful to change the intake on the housing to 6”, which is something else you’ll have to put some time into. Then, 6” hose, etc…

I know this from experience. I’ve done the mix and matching and trying to make cheap things work like the more expensive ones and learned the hard way that I’ve spent a lot more money in the end than if I had just bought the bigger units to begin with.

View Robinson's profile


52 posts in 3659 days

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

If you bought it new take it back…
I’ve had mine maybe 6 or 7 years and it has always worked well and as quietly as my Penn State DC.
I’m pretty selective about what I buy from HF. Some stuff is fine and some isn’t. Knowing which is and which isn’t is a learned skill.

-- Francis Robinson, Central Indiana, USA - - Shopsmith fanatic

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