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How to keep DC canisters clean???

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Forum topic by Drew posted 03-10-2015 02:16 PM 697 views 0 times favorited 9 replies Add to Favorites Watch
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Drew

304 posts in 2562 days


03-10-2015 02:16 PM

I am using a Grizzly G0562zp (3hp twin canister DC). When the filters are very clean this thing works great! Takes care of my entire shop pretty good, including a 37” dual drum sander.
The problem is the filters clog up with dust to fast and I lose way to much suction. For everyday use I can get away with turning the handles to clean them out…. a little bit at least. I really have to take them off to clean them out adequately, and that makes a huge mess.

My big issue is the drum sander. If I clean the filters out this machine works great with my drum sander… for about 30-45 minutes. Then after that I have to spin the handles about every 15-20 minutes. And even then it is only running about 60-70%. I can’t keep doing this!

Another thing I have found is most of the dust you knock out of the filters just sits on top of the baffle…. Then back into the filters as soon as I turn it back on!

Does anyone have a solution?
I don’t think I want a pre-separator. That would be big and expensive with 6” pipe!

Has anyone used an internal baffle/separator to keep dust in the bags on a set up like this?

-- TruCraftFurniture.com


9 replies so far

View WoodNSawdust's profile

WoodNSawdust

1417 posts in 638 days


#1 posted 03-10-2015 02:24 PM

add a cyclone pre-separator before the impeller on the Grizzly. Depending on where you read the specs the cyclone will remove somewhere between 90 and 99% of the dust before it reaches your filters. You should expect a reduction on CFM.

-- "I love it when a plan comes together" John "Hannibal" Smith

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Drew

304 posts in 2562 days


#2 posted 03-10-2015 02:32 PM

Yea…. I am hoping to avoid this. I would want everything hard piped. That would take up some space and I have to think all the 6” fittings would get expensive.
Have you seen anyone do this with 6”?

-- TruCraftFurniture.com

View johnstoneb's profile

johnstoneb

2143 posts in 1635 days


#3 posted 03-10-2015 02:50 PM

+1 WoodNSawdust The only way to keep sanding dust and chips out of the filters is a preseparator. So choose your poison.

-- Bruce, Boise, ID

View BoardSMITH's profile

BoardSMITH

121 posts in 1725 days


#4 posted 03-10-2015 03:01 PM

Had somewhat the same problem. The disc sander created so much fine dust it bypassed the cyclone and then clogged the filter which was a monumental mess to clean. Before I dumped the double drum sander in favor of a wide belt sander, I contracted with a company to build a custom bag house. When it was ready I trashed the inefficient and poorly designed HEPA filter and installed the bag house. Now all I have to do is knock out the dust from the bags which falls down to a collection bag then empty the collection bag. Much easier to clean, less mess than cleaning out the filter and more efficient than the old filter. Also clogs less often.

-- David www.TheBoardSMITH.com

View Fred Hargis's profile

Fred Hargis

3933 posts in 1955 days


#5 posted 03-10-2015 03:08 PM

I have a cyclone, and the DS was so hard on the filter I installed a gauge to tell me when to clean it. When I was using it a lot, I would have to clean the filter twice for each 55 gallon barrel of chips. After 6 years, the filter got so clogged i couldn’t clean it any more (as evidenced by my gauge) and I replaced it. BTW, my cyclone does remove 99% (actually, 98.4% by volume) of the total debris by volume, and I still had problems. The 1.6% in the filter was all the finest dust. Even so I think a pre seperator would alt least help with the problem, and a Thein wouldn’t be too hard to build.

-- Our village hasn't lost it's idiot, he was elected to congress.

View Drew's profile

Drew

304 posts in 2562 days


#6 posted 03-11-2015 04:22 PM

Maybe I will just have to get a super dust deputy.
Anyone here use one? And if so is worth the extra money for the xl with a 3hp unit?

-- TruCraftFurniture.com

View timbertailor's profile

timbertailor

1591 posts in 886 days


#7 posted 03-11-2015 04:31 PM

You need a filter with adequate flow and low particle removal like what Wynn Environmental Filters provide.

Here is my solution. The separator is in the trash can. I used sheet aluminum to make the transitions and save on costly piping. Hope I could help.

-- Brad, Texas, https://www.youtube.com/user/tonkatoytruck/feed

View Rob's profile

Rob

704 posts in 2533 days


#8 posted 03-11-2015 04:52 PM


I don t think I want a pre-separator. That would be big and expensive with 6” pipe!

I’m not sure I understand this comment. I haven’t seen any cyclone/separator setup that requires more than a couple feet of extra pipe or hose to hook up.

-- Ask an expert or be the expert - http://woodworking.stackexchange.com

View Drew's profile

Drew

304 posts in 2562 days


#9 posted 03-11-2015 05:31 PM

I would want it hard piped. 6” couplers add up fast. Was looking for a less expensive solution.
As for size… My twin canister DC already takes up a lot of space in the middle of my shop. Don’t really have room for a big can in that area.

I don t think I want a pre-separator. That would be big and expensive with 6” pipe!

I m not sure I understand this comment. I haven t seen any cyclone/separator setup that requires more than a couple feet of extra pipe or hose to hook up.

- Rob


-- TruCraftFurniture.com

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