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All Replies on laundering dust collection bags?

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View Gary Fixler's profile

laundering dust collection bags?

by Gary Fixler
posted 1910 days ago


17 replies so far

View CutNRun's profile

CutNRun

122 posts in 2471 days


#1 posted 1910 days ago

I seem to recall hearing/reading that you are not supposed to wash the felt type bags. Mine is getting pretty clogged as well, although I believe it is a 1 micron bag. My plan is to knock what I can out before removing it and then turning it inside out and using the shop vac on it.

-- CutNRun - So much wood, so many trails, so little time

View Gary Fixler's profile

Gary Fixler

1000 posts in 2006 days


#2 posted 1910 days ago

CutNRun – But then how will you clean the shop vac filter!? It’s a vicious cycle :)

-- Gary, Los Angeles, video game animator

View a1Jim's profile

a1Jim

112008 posts in 2202 days


#3 posted 1910 days ago

Hey gary
Still looking at my keys. any how I’ve heard the same thing CuyN said, it will mess up your bag. I try to talk people into mounting the dust collector out side if at all possoble then it does’nt matter if it’s 200 micron bag.

-- http://artisticwoodstudio.com Custom furniture

View GaryK's profile

GaryK

10262 posts in 2613 days


#4 posted 1910 days ago

You could buy an extra bag and wash your old one. You never know. It may be an old wives tale.
I think I would take it to a laundromat though. Don’t want to piss off the wife.

Maybe a dry cleaner?

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View PurpLev's profile

PurpLev

8476 posts in 2273 days


#5 posted 1910 days ago

Gary, someone posted the same question 2 days ago, and one of the responses was from a guy that contacted the mfg. and was told these bags are NOT TO BE WASHED! as this will loosen the material, and will reduce the filteration to 1000 micron…

just blow it with compressed air. and beat it outside.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View GaryK's profile

GaryK

10262 posts in 2613 days


#6 posted 1910 days ago

PurpLev – Which manufacturer and what type of bag? Some are just made from cloth.

-- Gary - Never pass up the opportunity to make a mistake look like you planned it that way - Tyler, TX

View gjd's profile

gjd

18326 posts in 2277 days


#7 posted 1910 days ago

I thought that as the filter got clogged it got better at keeping the air clean. I realize that suction goes down but I would think that you don’t want to get that 30 micron bag too clean. It will just spew stuff into the air.

-- gjd Southcentral Wisconsin

View tenontim's profile

tenontim

2131 posts in 2369 days


#8 posted 1910 days ago

I don’t really think there are any 30 micron bags that are shaker felt. You’re not suppose to wash the shaker felt bags. I have the old 30 micron bags that originally came on my DC and they appear to be just canvas. I don’t think washing them would hurt them. The only thing 30 microns stop is wood chips.

View HokieMojo's profile

HokieMojo

2098 posts in 2353 days


#9 posted 1910 days ago

something I just thought of (never researched) is what about putting the bag on inside out (while outside) and running the machine while GENTLY tapping it with a stick. Would this blast the dust out by adding some pressure (for those of us that don’t have an air compressor)? I think you’d just need to make sure your intake hose is far upwind from the dust (so you don’t get both sides dirty). Just thinking aloud. I love overusing parenthesis (anyone notice?).

View bamasawduster's profile

bamasawduster

314 posts in 2219 days


#10 posted 1910 days ago

I was the one who posted the same question a couple of days ago. I washed mine on delicate cycle, then air dried. Worked fine and it works like new now. I am definitely not recommending going against manufacturer directions, just telling you what worked for me. Could be they sell more bags that way, don’t know. If you do choose to wash, I would certainly do the delicate cycle and air dry.

-- Gary, Huntsville. Two wrongs don't make a right, but three lefts do.

View HokieMojo's profile

HokieMojo

2098 posts in 2353 days


#11 posted 1909 days ago

i think the trouble is knowing whether performance is affected by washing or not. the particles that come through may be smaller than you’d be able to see.

View Gary Fixler's profile

Gary Fixler

1000 posts in 2006 days


#12 posted 1909 days ago

Thanks for all the replies. I’m pretty sure they’re just something like canvas. That’s what they feel like.

Taking in all the advice here, I’m a little bit skeptical about washing them, but if I happen on some new bags in the future, I will probably give it a shot with the old ones. One of these days I’m going to pick up a little digital microscope. They’re pretty cheap now, and I thought it would be fun to catalog wood end-grains for my ID’ing shenanigans. I could take some closeup pics of the weave pre and post washing to empirically solve this mystery. I’d be able to see if it opened up any.

Gary – thanks for being the guinea pig! I appreciate your real-world input on this.

Hokie – at 30 microns, I can already see dust come through it. A little tap, and a plume of microfine dust will waft from the surface. I hope someday to upgrade to a <1> I have now.

-- Gary, Los Angeles, video game animator

View gbvinc's profile

gbvinc

629 posts in 2571 days


#13 posted 1908 days ago

I wash mine about once a year. Works greats, doesn’t seem to affect the bag and revives the suction. I have no idea as to whether it alters the size of particles it filters…but my dust collector is in a different room from the tools and I haven’t noticed any increase in dust floating/settling around. Your mileage may vary.

View SCOTSMAN's profile

SCOTSMAN

5347 posts in 2210 days


#14 posted 1908 days ago

I bought two very nice thick industrial felt bags from an auction .However they needed (like yours) a good wash. I asked my wife to do me a favor and washed them both in the washer and then dry on the washing line outside.It did the job wonderfully. I have to emphasize that these were good thick industrial quality bags and would be reluctant to be responsible for ruining anyone’s good felt bags by my advice but I would emphasize you could always wash gently by hand in a cool wash I think my wife spin dried mine now I come to think of it best of luck I feel sure you will be fine as said my two were great after a good wash. Alistair

-- excuse my typing as I have a form of parkinsons disease

View ART LACKEY's profile

ART LACKEY

105 posts in 2004 days


#15 posted 814 days ago

I was given a dust collector that has the felt bag and it was full of metal dust (black!) and i took it down to the car wash and washed it with a pressure wand on the ground and it came out pure white! i was shocked. so when it was dry I tried it out and it works well. now off course that is a little extreme but it was worth a shot and it’s ok.

-- IF YOU GIVE A MAN A FISH,YOU FEED HIM FOR A DAY,BUT IF YOU TEACH HIM HOW TO FISH---HE'LL SIT IN A BOAT AND DRINK BEER ALL DAY!

View Scot's profile

Scot

344 posts in 2021 days


#16 posted 814 days ago

I have washed the bags before, use cold water and no dryer otherwise they shrink…a lot ! About the second or third washing they fall apart.

-- If the old masters had power tools, they would have used them. So get off your damn High Horse.

View Dusty56's profile

Dusty56

11644 posts in 2313 days


#17 posted 814 days ago

I used to wash my Reliant 30 micron bags in the bathtub and also the washer , even bleached them to make them look like new…air dried though..worked like a charm and the bags have survived to this day.
Wish I could do it to my Dust Dawg pleated filter , although a garden hose does a good job after blowing as much dust out of the pleats as you can from the outside in.

-- I'm absolutely positive that I couldn't be more uncertain!

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