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Cartridge air filter on my dust colector

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Forum topic by b2rtch posted 12-09-2011 10:52 PM 3084 views 0 times favorited 10 replies Add to Favorites Watch
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b2rtch

4822 posts in 2511 days


12-09-2011 10:52 PM

Yesterday I took my dust collector apart to modify it.
I use it not very often and I clean the filter with an air stream quite often.
I have a Thien style pre-cleaner.
I was surprised and disappointed to see the amount of dust inside the filter.
I cleaned the filter the best I could and I removed about one gallon of dust out of it and it still is far from perfectly clean.
When is the last time you checked your filter inside?

-- Bert


10 replies so far

View TheDane's profile

TheDane

4997 posts in 3126 days


#1 posted 12-09-2011 11:05 PM

Bert—- I have a Penn State 1 micron canister on a Jet DC. It has a set of ‘flappers’ inside with a crank on top … I give it a couple of spins after every session, and I can see fine dust dropping into the plastic bag.

About once a month, I pull the filter off, take it out on the driveway, and hit with several good blasts of compressed air. I get some dust out, so it must be doing a pretty good job … at least I’m not breathing it!

I don’t have space for a separator, so I’m going from the tool directly into the DC. In my next (larger) shop, I plan to build and use a Thien separator.

—Gerry

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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b2rtch

4822 posts in 2511 days


#2 posted 12-09-2011 11:09 PM

Gerry, look at your filter inside: I read that the flapper damages the paper pleads inside the filter, which would make sense since it is rubbing against them pretty hard.

I was really surprised to see so much dust but as you say, this dust is not inside my lungs and in fact the dust makes the filter more efficient.

-- Bert

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Tennwood

107 posts in 2644 days


#3 posted 12-09-2011 11:12 PM

I have a Penn State DC with the canister filter that came with it. I also incorporated the trash can cyclone separater in my system. It seems that no mater how much I run the paddles to knock the dust off and bang on the outside of the filter, it still seems to hold a lot of dust. I clean mine at least every month, or as often as I need to empty the collection bag, and I still have ton of dust hanging on the inside.

The new Jet Vortex system seems interesting. If you believe their web site video, it almost totally eliminates any dust in the filter. Not interesting enough to buy it yet though. On the Popular Woodworking site they did a review on it and someone came back with their own modification using a wok bowl.

-- Jim, SE Tennessee, "Don't spare the kindling Dear, we have plenty"

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b2rtch

4822 posts in 2511 days


#4 posted 12-09-2011 11:16 PM

“The new Jet Vortex system seems interesting”
this is why I took my dust collector apart.
I am going to make the “wok” modification.
Do you know about the “wok” modification?
Read here: http://lumberjocks.com/topics/31467

-- Bert

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TheDane

4997 posts in 3126 days


#5 posted 12-10-2011 04:00 PM

Bert—The ‘wok’ modification is on my (ever-growing) list of things to do.

I have two ‘dust collection’ systems … the Jet DC-650A w/PSI canister mentioned above, and a Ridgid vac with an Oneida Dust Deputy. The Jet has a 4” inlet and is used with the jointer, planer, bandsaw, and lathe (I have a PSI ‘Big Gulp Dust Hood’ that sits behind the lathe to catch shavings and dust). The Ridgid/DD combo is used with my table saw, drum sander, drill press, routers, etc.

I have always been amazed at how good of a job the Dust Deputy does with fine dust. The Ridgid vac is equipped with a HEPA filter and one of those muffler attachments on the exhaust port. A couple of times a year, I open the vac up and remove/wash the HEPA filter. There is never any significant amount of dust or chips in the vac, and the filter never has much more than a light coating of fine dust.

I don’t have any experience with the Thien separators, so I really can’t draw any hard and fast conclusions, but it would seem the cyclone-type separators are a little more efficient.

—Gerry

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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b2rtch

4822 posts in 2511 days


#6 posted 12-10-2011 04:32 PM

Good morning Gerry,
Did you look at this?
http://lumberjocks.com/topics/32432

I am working on this modification: http://lumberjocks.com/projects/29578 and on the wok modification as we “speak”
Now I am debating going several ways: use a wok, a use a conical chimney cap ( if I can find one), make my own cone : http://woodtalkonline.com/topic/3517-jet-vortex-cone/, or even adding a second Thien separator inside the dust collector: http://www.cgallery.com/smf/index.php?topic=145.msg819#msg819
I cannot find dimensions, I think that the cone should be about 16” in diameter but how big a gap do I need to leave?

-- Bert

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Sawkerf

1730 posts in 2531 days


#7 posted 12-10-2011 05:04 PM

I have a Dust Dog pleated filter with the paddles on a Jet DC1100. I give the paddles several turns daily when I’m working in the shop, and clean it when I change collection bags (usually weekly). After three years, I still don’t see any damage from the flappers.

I don’t use air pressure, but use a shop vac with a brush attachment to clean the pleats. I don’t even try for “like new” clean but get ~75% – 80% of the dust.

I wish Jet sold an aftermarket version of their new Vortex seperator, but I guess they aren’t going to do that. I may look into making one.

-- Adversity doesn't build character...................it reveals it.

View TheDane's profile

TheDane

4997 posts in 3126 days


#8 posted 12-10-2011 08:35 PM

Bert—Yup … saw your Ridgid/Dust Deputy rig. Mine has top stow under a counter in the end of my shop, so it is on a 3-caster (2 fixed, 1 swivel) cart. I’m still using the hose that came with it.

My Saturday morning rounds took me to two of the big home centers in our area today, so while SWMBO was doing her shopping, I spent some time poking around in sheet metal, ducting, and chimney caps looking for a cone or conical cap that might be suitable. Came up with zip, but I’ll keep looking.

—Gerry

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

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brtech

896 posts in 2385 days


#9 posted 12-10-2011 11:20 PM

One thing to keep in mind is that the filter is designed to work better with a layer of dust, which acts like a pre-filter. Of course, there is definitely too much of a good thing, but squeaky clean is not good.

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b2rtch

4822 posts in 2511 days


#10 posted 12-11-2011 01:32 AM

Gerry, did you look at this: http://lumberjocks.com/topics/32589

-- Bert

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