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New Dust Collector w/ Odd Motor Noise. Bad?

3K views 13 replies 10 participants last post by  BKPmax 
#1 · (Edited by Moderator)
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?



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

Thank you!
 
#7 ·
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.
 
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