Harbor Freight Dust Collector Cleaning

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Forum topic by HuntleyBill posted 03-22-2010 05:37 PM 2524 views 0 times favorited 8 replies Add to Favorites Watch
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109 posts in 3112 days

03-22-2010 05:37 PM

I emptied my HF dust collector and now I need to clean the filter bag. I shook it out but there still seems to be a lot of dust in it. Those of you who have this collector, how do you clean the bag? I know you will be suggesting that I replace it with the pleated filter but I can’t right now. I was thinking of throwing it in the washer but not sure if that will ruin it or not. The manual doesn’t say anything about this subject.

Any suggestions??

-- If you think you can, or think you can't...your right!

8 replies so far

View jm82435's profile


1285 posts in 3764 days

#1 posted 03-22-2010 06:28 PM

A little dust helps filter finer particles. Is it so dirty you losing suction?

-- A thing of beauty is a joy forever...

View gbvinc's profile


628 posts in 3968 days

#2 posted 03-22-2010 06:28 PM

I use a Delta DC with the filter bags. Wash them in the washer once or twice a year. Works fine.

View chewbuddy13's profile


150 posts in 3307 days

#3 posted 03-22-2010 06:49 PM

I take mine outside and blow it off with my compressor. Seems to work good for me.

View HuntleyBill's profile


109 posts in 3112 days

#4 posted 03-22-2010 06:50 PM

I don’t seem to be losing suction at this point, but I’m trying to avoid that.

-- If you think you can, or think you can't...your right!

View MedicKen's profile


1615 posts in 3484 days

#5 posted 03-22-2010 07:17 PM

DO NOT throw it in the washer. Shake it out and place it back on the machine. The fine particles that are in the bag help with the filtering process. I know it seemd strange but it does. If the canister filter isnt in the budget you might look at the replacement oversize bags from Oneida. They are a little cheaper than tha canister and do a nice job.

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View Rick  Dennington's profile

Rick Dennington

5908 posts in 3216 days

#6 posted 03-22-2010 08:30 PM

Greetings: I agree with MedicKen…. DO NOT wash the filter bag, and DO NOT put it in the dryer….. It will shrink the bags, and you’ll have a devil of a time getting them back on, they’ll be so tight. They will also lose the protectunt that is sprayed on them at the factory (whatever it is called). Shake it out, or beat it aganist a tree to get rid of the big stuff inside the bag….....

-- " At my age, happy hour is a crap and a nap".....

View NBeener's profile


4816 posts in 3196 days

#7 posted 03-22-2010 08:40 PM

“Shake it out, or beat it aganist a tree to get rid of the big stuff inside the bag……..”

Reminds me of a game my oldest brother used to play with me, when we were kids ;-)

-- -- Neil

View dbhost's profile


5723 posts in 3254 days

#8 posted 03-22-2010 09:03 PM

You do NOT want to get rid of the fine cake, just the bigger chunky stuff. The fine cake helps the bag filter, for what that’s worth…

That 5 micron rating for the newer bags, and 30 for the older, is based on the bag being built up with fine cake. You are passing MUCH coarser material without it…

Since you mention money is too tight for a cartridge filter, I would suggest you run the DC outside, that way you are not just picking up the dangerous dust and blowing it further through the air with the porus factory bags… And honestly if you are going to do that, just leave the bag off the thing and let the fines blow in the wind…

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