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Thread: Don't Put Off DC Filter Maintenance

  1. #1
    Join Date
    Oct 2006
    Location
    Placitas, NM in the foothills of the Sandia Mt
    Posts
    688

    Don't Put Off DC Filter Maintenance

    Here's a cautionary note for those of you out there who, like me, are using equipment you are not very familiar with....

    I got an Oneida 3 HP cyclone a year and a half ago - love it. It really sucks, in a good way. I was always a little puzzled, though, that the huge canister filter hanging from it always looked lily white. I had emptied the trap at the bottom a few times and found a small amount of dust, but the filter just stayed as white as day one.

    Well, I was doing some other maintenance in that area this morning and while I had things out of the way, I decided to take the filter off and give it a good inspection.

    Wow The foam rubber filter inside the canister was caked. And the pleats in the filter were full.

    So, per Oneida's instructions. I haul the thing outdoors and crank up the air hose. Talk about a dust storm. After working on it for about half an hour, I had a respectable small desert in the driveway. Tallest dune was about 3 inches.

    So fellow newbies, clean that filter, and before you do, get a good mask and make sure there's plenty of hot water for the shower.

    Sure wish I hadn't let it go so long.
    Don't believe everything you think!

  2. #2
    Join Date
    Dec 2006
    Location
    37 5'16.25"N 7625'28.11"W
    Posts
    193
    A little tip when cleaning your filters; stand the filter on end and put your shopvac hose inside the the filter and start it up. When, when you put the air to the outside of the filter the shopvac will suck up the vast majority of the dust and you won't have your head in a big cloud. Granted, it's not perfect and you should still wear a respirator, but it makes things a heck of a lot cleaner. Oh, make sure the shopvac exhaust is down wind too , the very finest stuff will probably blow out through the exhaust unless you have an expensive HEPA filter in there. You might want to remove the HEPA and replace it with the OEM cheapy if you do so you don't kill the HEPA in the process.

    Mike

  3. #3
    Join Date
    Oct 2006
    Location
    Placitas, NM in the foothills of the Sandia Mt
    Posts
    688
    Hey Mike,
    Thanks for the good advice. I'll try that next time. BTW, we are having 40 mph winds today, so all the dunes are gone.
    Don't believe everything you think!

  4. #4
    Steve Clardy Guest
    Bummer on the filter plugging Jesse.

    Dunes in New Mexico

    Sure glad I don't have filters too worry about.

  5. #5
    Join Date
    Oct 2006
    Location
    Tokyo Japan
    Posts
    15,585
    Seems that your cyclone passes a LOT of the smallest dust to the filters.

    Mine don't.

    I use an air hose on the outside of my filter stack, banging it lightly with an 18" length of rubber hose, then leaving it over night, for the dust to settle into the clean out.

    Here are some pics of the filters BEFORE I cleaned them as described.....the cyclone just does not allow much dust to get to the filter stack, it is that simple.

    Attachment 7112 Attachment 7113

    Still fairly clean and blue after over 1500 liters of sawdust has gone through my cyclone.

    Glad to see you found your clogged filters, Jesse, I bet your system REALLY sucks again eh!!

    If any of you have an AC in your shop, check the filters on those too!

    Cheers!
    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  6. Who needs filters when you can just shoot the dust through the wall and outside!

    Actually, I may be in the market soon for a nice filter stack for my system. I haven't had filters for a while so I need to find a good source. Anyone have a recommendation?

    marc
    For online video tutorials and other woodworking stuff, check out TheWoodWhisperer.com

  7. #7
    Join Date
    Mar 2007
    Location
    Bedminster, NJ
    Posts
    5
    I just read this thread this evening - right after I finished cleaning the Wynn filter on my DC - I noticed that I was not getting satisfactory suction over the weekend so I pounded the thing a little and got better results. This evening I took it apart and started banging and coughing so I got out the shop vac (HEPA filter installed) turned on the compressor and went at it for an hour and a half - how proud I was that I thought of sticking the shop vac hose into the filter (this is all taking place in my garage!) Then I sit down to relax and spot this thread - should have peaked at it last night and saved my lungs the initial blast of dust.

    I had to shake the shop vac a couple of times 'cause that filter was getting clogged too - so what do I do next? Get the wife's vac and clean out my shop vac?? Maybe I'll just ask the cleaning lady to empty my shop vac when she comes next week!
    Semperfi

  8. #8
    Join Date
    Oct 2006
    Location
    Tokyo Japan
    Posts
    15,585
    Ray, just open the shop vac next to your DC hose, there problem solved

    Seriously, when you open your shop vac, something that helps a lot is a small spray bottle, have the kind that can "Mist" some water, open the shop vac, and mist the dust in there, just a light mist will keep a lot of the dust down.

    Empty into a bag, and mist again, the dust will be kept way down.

    But for sure do this outside.

    Cheers!
    The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
    William Arthur Ward

  9. #9
    Join Date
    Mar 2007
    Location
    Bedminster, NJ
    Posts
    5
    Stu, great idea. I'll try it - but I like the cleaning lady idea better!!

    Ray
    Semperfi

  10. #10
    I have the Delta DC with "the bags". I haven't ever cleaned them. Is there a "Painless Proceedure". PLEEEZZZZZZZZ

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