Plastic dust collector lower bag ????

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Forum topic by 1yeldud1 posted 10-24-2010 11:35 PM 2499 views 0 times favorited 4 replies Add to Favorites Watch
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301 posts in 3070 days

10-24-2010 11:35 PM

How many lumberjocks use a “plastic” bag for the lower dust collector bag on their small dust collectors. I have heard that there can be some problems getting the plastic bag to “seal” around the dust collector – and is there any problems with the lower bag causing a restricted air flow (since you have changed from a 2 felt bag system to a single felt system with a lower plastic bag – any comments ???? Thanks !!!!

4 replies so far

View crank49's profile


4032 posts in 2999 days

#1 posted 10-24-2010 11:49 PM

My collector came with a cloth/felt top bag and a plastic bottom bag. I have heard of people replacing the plastic bag with a fiberboard drum.
I like mine okay the way it is, but it is a pain in the azz to remove and then reinstall the bag. If I filled it up much more often I would probably find a better way to clamp it.

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Scott Bryan

27250 posts in 3850 days

#2 posted 10-25-2010 12:30 AM

I have a plastic bag on mine and the only time it has caused me any problems is, after dumping out the sawdust, I failed to get one area of the bag properly sealed. I noticed it spitting out dust and re-wrapped the bag around the pressure band. Problem solved. I also had another minor issue with it but that was simply after the bag itself developed a split. I simply empty the bag and reuse them, largely because I am cheap. This particular bag had lasted about 18 months so I guess it was time for a new one.

But there are no problems at all with the air flow.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View ChunkyC's profile


856 posts in 3282 days

#3 posted 10-25-2010 12:37 AM

My bag doesn’t seal well at all. I’ve thought about adding a foam weather strip around the separator to help with the seal but I think that putting the bag back on would then be that much more of a pain. Luckily, I have a Thien pre-separator on mine so I seldom have to remove the bag, only when I need to clean the top filter.

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View ellen35's profile


2738 posts in 3460 days

#4 posted 10-25-2010 12:43 AM

I have a plastic bag on a HF 2 hp dust collector. I also got a Wynn top filter. The Wynn comes with plastic bags. I find that it is sometimes difficult to manage the bag all the way around at one time but I have a good tight seal.
My dust collection is so much better now than it was with my dust deputy and shop vac. My ears appreciate it too.

-- "Don't let the perfect be the enemy of the good." Voltaire

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