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New Dust Collector w/ Odd Motor Noise. Bad?

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Forum topic by BKPmax posted 09-24-2020 10:03 PM 567 views 0 times favorited 11 replies Add to Favorites Watch
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BKPmax

4 posts in 41 days


09-24-2020 10:03 PM

Topic tags/keywords: question dust collector harbor freight motor

Dang it. Sounds horrible.
My new dust collector motor sound wrong. Click link below to hear it.
Any suggestions as to what might be wrong?? How to fix? Take it back?

https://youtu.be/RUpgoLE1S3k

PS Harbor Freight, with Wynn Environmental MERV 15 Filter
...I already returned one bad part

Thank you!


11 replies so far

View CWWoodworking's profile

CWWoodworking

1092 posts in 1063 days


#1 posted 09-24-2020 10:44 PM

I just bought one too. Don’t think it’s gonna last a month. Make similar noise. I’m losing what faith I had in HF.

View ibewjon's profile

ibewjon

2081 posts in 3677 days


#2 posted 09-24-2020 11:30 PM

Sorry, but you get what you pay for. HF is only for short time use, disposable tools. ( IME)

View LesB's profile

LesB

2625 posts in 4327 days


#3 posted 09-25-2020 12:15 AM

Sounds like there is something in the impeller or it is rubbing against the houseing.. Did you take a hose off and look….or open the housing.

-- Les B, Oregon

View BKPmax's profile

BKPmax

4 posts in 41 days


#4 posted 09-25-2020 12:34 AM

LesB,
Tomorrow I’ll take a peak inside.
The sound is intermittent & rhythmic.. Yes, I need to look inside, but I was thinking this is like a vibration thing… Like something’s off center and triggering some harmonics, on and off..
Thanks

View Aj2's profile

Aj2

3415 posts in 2682 days


#5 posted 09-25-2020 01:32 AM

You could try swapping out the bearings who knows what quality they are.
I don’t like anything from Horrible freight.

-- Aj

View CaptainKlutz's profile

CaptainKlutz

3725 posts in 2378 days


#6 posted 09-25-2020 06:13 AM

DC noise?
Sounds like fun! Not.

I’ll play the guessing game:

+1 remove the hose adapter and look inside. Could be a odd shape debris stick inside.
Had something similar as a long splinter of bark would get stuck on the housing weld, then rub until it was spinning around again; and repeated for several minutes till it broke into smaller pieces and was ejected.

+1 Pull the large impeller cover (yes, one with ALL those screws).
- Inspect for debris.
- inspect for loose impeller.
- remove the impeller and check for damage, loose rivets on fins, or bent impeller.
- spin the impeller on end of large screw driver, or shaft of socket extension; does it wobble?
- check inside of the housing for any rubbing.
- Is the motor mount perpendicular (90°) to the housing?

- Double check the mounting bolts to the sheet metal base. Could be loose.

- Now run the motor without impeller.
: IF noise is gone, figure out how impeller is making the noise.
: If noise is still there, then you have motor vibration issue. Could be lose motor mount, could be bad motor bearings, or even a bent motor shaft due rough handling during shipping.

Let us know what you find, and if I won a prize! LOL

Best Luck.

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

View Robert's profile

Robert

4052 posts in 2364 days


#7 posted 09-25-2020 11:59 AM

If you’re within the time limit, dint mess with it, just return it.

For a few bucks more buy a Grizzly.

-- Everything is a prototype thats why its one of a kind!!

View ibewjon's profile

ibewjon

2081 posts in 3677 days


#8 posted 09-25-2020 12:49 PM

New machine? If so, DO NOT TAKE IT APART. RETURN IT!! Why should you need to repair a new tool?

View WhyMe's profile

WhyMe

1319 posts in 2445 days


#9 posted 09-26-2020 11:08 PM

I would at least pull off the impeller cover to check the clearance and hand turn the impeller to check for any rubbing before hauling it back to HF. It could be a very simple fix.

View Mike Turner's profile

Mike Turner

68 posts in 3040 days


#10 posted 09-26-2020 11:42 PM

I have to say my HF one has been really good.If I had more $ I would have gotten a better one but this one hasnt given a bit of problems..I have had it in use for several yrs.

-- Mike,North Carolina

View CWWoodworking's profile

CWWoodworking

1092 posts in 1063 days


#11 posted 09-27-2020 12:39 AM

If only there dust collectors were as good as that purple spray gun. For 40$, best value in the store.

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