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Dust Collection #2: infiltration.... filter me this, filter me that

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Blog entry by PurpLev posted 2006 days ago 13111 reads 6 times favorited 28 comments Add to Favorites Watch
« Part 1: (Finally) Upgrading from a Shop-Vac Part 2 of Dust Collection series Part 3: Fine!....... particles that is »

I ordered a 0.3 micron replacement filter from Wynn Environmental to replace my Jet DC1100 30 micron bag.

Originally I was going to make a simple review for people to benefit from my experience with the new filter I got… but since it had gotten a bit more complicated, I figured this is blog-worthy, and the ‘regular’ review will follow once I experience more the performance of the filter.

Disclaimer: I have had nothing but great experience from Wynn Environmental, from their information advertising on their website, to the ordering process over the phone. the complication of my filter replacement is purely caused by my missing of information, and being over-excited about this upgrade that I didn’t take the time to do it one step at a time.

So… on with the story:

I got my Jet DC1100 a while back off of craigslist at a bargain price after hearing good things about it, with the plan to eventually replace the lousy 30 micron filter bag with a better cartridge filter.

After doing much research online (Bill Pentz site, Wynn Environmental site, Penn State Industries, LJ, FWW, PWW, and anywhere else I could get info) I decided that the Wynn Environmental replacement filters would work best for me. this came down based on price (~$103), filteration quality (0.3 micron), and the fact that their set was designed to retrofit single-stage-dust-collectors like mine.

I ordered the set from WynnEnv. and was awaiting patiently for it to arrive, which it did very shortly. I was so ready to just take it out of the box, take off my bag filter, pop the new cartridge filter on, and call it a day.

thats when I had to wake up and smell the coffee. the cartridge filter wouldn’t fit inside my collector easily. being excited and pumped to see this thing installed I tried to bend the top of the dust collector wider to accommodate the cartridge size to no avail. Although the diameter size difference was very minor, it was large enough to block the catrridge from going in. unfortunately the top of my dust collector is slightly bent now – minor, and only cosmetic – but still , kinda sucks.

At this point the party was over. I figured I need to research this some more, and find another solution.

After going back to the Wynn Env. site, I found out that the Jet DC1100 has 2 models.. a new one in which their filter fits easily, and an older version that has a smaller rim in which the filter will NOT fit. they suggest a fabrication of a doughnut ring to overcome this size matter. I was really hoping not to have to fabricate anything, but I guess the important thing is to have the 0.3 micron filter – so fabrication here we come.

The fabrication calls for a doughnut ring to be made that will seal the top of the dust collector and will set a platform for the filter to sit on, with an opening large enough to match the filter opening.

I have decided to make this ring out of MDF which I had at hand, which will also have a nicer look to it then plywood.

NOTE: while working with the MDF I was working with a shop-vac (set with HEPA filter AND filter bag) hooked to the router, AND a filtered face mask

I used the BOSCH edge-guide with my router as a circle jig by taking off the guides’ edges – this is an awesome edge guide and I find it very useful in many applications.

the first cut I made was a bullnose slot 1/4” deep (2 passes, taking 1/8” in each) this slot is where the dust collector top will be mounted in. Since this is not a through cut, and is located inside the finished ring, I cut this first before removing any material from the ring – giving me a more stable (larger) area to support the router (before taking any of that material out). The diameter of the slot was set to match the diameter of the top of the dust collector

After routing the slot, I added 1” to that diameter, and made a cut through (3 passes, taking off 1/4” in each pass). After I had the disk cut out, I then cut the inner opening 2” inside of the slot diameter (again 3 passes, taking 1/4” in each pass)

which left me with this doughnut adapter:

to air-seal between the doughnut and the disk I filled the slot with silicone sealer (used for kitchens/baths) and placed it on top of the dust collector, once the silicone dries it will be sealed, but can be ripped out if necessary in the future.

after the doughnut was on the dust collector, I centered the filter on top of that, and with hooks fastened it to the dust collector from the inside.

Filter part is done… now lets replace the fabric collection bag with the plastic ones – those are much better (air tight, and transparent)... alas these are simply nylon bags and are wider then the dust collectors’ body diameter, plus there is no way to clamp them to the dust collector – luckily the filter bag was clamped to the dust collector with a ring clamp which I was able to use for the nylon bag. to be honest – it was a nightmare clamping that thing to the machine as the nylon kept on slipping down while I was trying to get the clamp around it and clamp it in place. Wynn suggests to use tape to hold the bag in place while clamping it -which works, but it would have been nice if this was more ‘user-friendly’. I might opt to take the plastic bag, and place it inside the original Jet fabric collector bag for easier mounting.

so Here is the outcome:

All in all, not the installation process that I had in mind, not the look that I was aiming for (doughnut), first impression of bag replacement is kinda iffy, but we’ll see how that goes. going down from 30 micron filteration to 0.3 – PRICELESS! (and all for less than half the cost of a brand name cartridge dust collector setup that only goes to 1-3 micron)

Can’t wait to fill that bag up already!

EDIT:
I have painted the disk with rustoleum (appliance epoxy) and it matches (almost perfect) the Jet finish paint:

I also took the clear plastic bag from Wynn Env. and place it inside the original Jet cloth lower bag which has a rubber strip on the top to hold it in the DC – this way I get the plastic bag efficiency, with the built in ease of taking the bag off and putting it back on (no need for metal rings and clips)

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



28 comments so far

View Karson's profile

Karson

34845 posts in 2986 days


#1 posted 2006 days ago

I was able to get a Grizzly paper cartridge and put it on my Grizzly dust collector. It was advertised as an additional filter. But it fit the machine perfectly.

The dust level has improved immensely.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View HokieMojo's profile

HokieMojo

2097 posts in 2313 days


#2 posted 2006 days ago

this is a possibility for me down the road (I think you even suggested it on one of my posts when i was asking about which DC to go with). I went with a new delta, but at some point may swap out the 1 micron bag for one of these filter cartridges. Can’t wait to hear what your experiences are like. Will you be using the DC in the interim until the piping is in place? thanks for the post.

View Bob42's profile

Bob42

451 posts in 2376 days


#3 posted 2006 days ago

It sounds like you had your work cut out for you. The doughnut doesn’t look bad but you could paint it the color of the DC and you may not notice it. I like to see people taking care of their lungs. Let us know how well it works. Does it tell you what % at 0.3 microns? and how much resistance will that put on the motor?
Thanks for the post, very detailed. Good luck with it.

-- Bob K. East Northport, NY

View PurpLev's profile

PurpLev

8475 posts in 2234 days


#4 posted 2006 days ago

Bob42 – it’s 99.99 % efficient at 0.5 micron… and 99.94% at 0.35 micron. As for painting the doughnut – call me lazy, but thats just way too much work to put into an adaptor doughnut for the dust collector – sure the thought has crossed my mind… but it has crossed it pretty fast.

HokieMojo – yes, I did mention it on one of your posts, and it was your post that woke me up and got me to make the call to Wynn to place the order – so – thank you! and yes- I am using the collector as is for now with the short flex hose (seen in the photo) plugged in to one machine at a time (bandsaw/tablesaw/jointer) until I get the piping done (still can’t find 6” 2729 ASTM pipes locally…. and am in no rush at the moment)

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

View Douglas Bordner's profile

Douglas Bordner

3958 posts in 2649 days


#5 posted 2006 days ago

Here’s to a big healthy bag of Purpleheart dust for you. Great adaptation. Can’t hardly see any horrific damage to that top flange.

-- "Bordnerizing" perfectly good lumber for over a decade.

View Bob42's profile

Bob42

451 posts in 2376 days


#6 posted 2006 days ago

Thanks for the info. I have a new Delta 50-760 and when I run out of the bags I will switch to something like that.

-- Bob K. East Northport, NY

View ryno101's profile

ryno101

376 posts in 2250 days


#7 posted 2006 days ago

Thanks, Purplev, great info.

I just got my new DC delivered last night, this is a timely post! I’m short on floor space (and cash!) so I opted for Rockler’s new wall-mount DC, which comes standard with a 30 micron bag… I’m going to check out the sites you mentioned, see if I can come up with an improvement to that.

I’m planning on building a filtration system out of plywood using standard sized furnace filters (HEPA and/or sub 1 micron) to circulate the air in the shop, but I think I’ll also have to improve on the DC. I’m in the basement, and I’ve got little kids… don’t need all that dust filtering through the floors and whatnot!

Thanks!

-- Ryno

View PurpLev's profile

PurpLev

8475 posts in 2234 days


#8 posted 2004 days ago

ryno101 – you might wanna check with Rockler. I just got an email from the Cambridge store and I assume this is a ‘general’ Rockler promotion – they are selling the Delta dust collector for $199 (I think thats the price for the Rockler brand dust collector) and although this one is floor standing and slightly bigger than the rockler one – the filter bag is much better, and you can always upgrade this type of collector with better cartridge filters. worth checking out.

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

View BarryW's profile

BarryW

1015 posts in 2492 days


#9 posted 1995 days ago

Stumbled on this post quite by accident…a great idea…something I might try on my Sears unit…similar. I’ll look at it closely…sounds much better than the 30 micron bags I have.

-- /\/\/\ BarryW /\/\/\ Stay so busy you don't have time to die.

View John Gray's profile

John Gray

2367 posts in 2471 days


#10 posted 1994 days ago

Great post!!! Keep up the good work…...and paint the donut ring. ;-)

-- Only the Shadow knows....................

View PurpLev's profile

PurpLev

8475 posts in 2234 days


#11 posted 1993 days ago

Update: for anyone that might be interested: I have taken the original lower-filter/collection bag, and placed the transparent plastic bag inside of that bag with the edges overlapping over the fabric bag, and placed the original bag in the lower part of the dust collection – this is easier than having to coordinate and fasten the plastic bag on the dust collector on the outside using the metal strap as the original collector bag fits perfectly on the inside of the collector with a sealed rubber ring that snaps into place. much easier, and provides the same filteration/removal of plastic bag when full.

I’ll post pics and add more text in the next episode of this blog as I make more use of this collector, just wanted to update anyone that might be interested in this setup.

thanx for all the comments.

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

View Woodchuck1957's profile

Woodchuck1957

944 posts in 2349 days


#12 posted 1982 days ago

I will say that you did a very nice job with the donut, looks great. I vote also to paint it, not just because it would stealth the donut, but it will protect the MDF from humidity, and ya did such a great job with it that it deserves a fine finish. (-:

View PurpLev's profile

PurpLev

8475 posts in 2234 days


#13 posted 1982 days ago

Thanks Woodchuck, I was kinda lazy with this one, just wanted to get the DC back to being functional, I didnt think about protecting the MDF ring from humidity though – thats a good point. I’ll look for a small container of primer/sealer and white paint.. maybe latex.

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

View Woodchuck1957's profile

Woodchuck1957

944 posts in 2349 days


#14 posted 1982 days ago

A few coats of spray Rustoleum, and sanding between coats is what I would do. You’ll probably have to pick a couple days that you won’t need the DC., unless you can find some fast drying stuff. Water base I think swells the surface up too much, and isn’t very sandable until it’s fully cured, which can be awhile.

View dbhost's profile

dbhost

5377 posts in 1817 days


#15 posted 1684 days ago

That donut looks pretty good with the paint… Your lungs will love that Wynn filter for sure!

-- My workshop blog can be found at http://daves-workshop.blogspot.com

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