The Woodshop Shed

Dust Collection Upgrade - Wynn Filter and Oneida Cyclone

Furnished content.
(from Lumberjocks.com)


THE SITUATION: It's been three years since I installed the Harbor freight dust collector in an outside shed with a home-built chip separator and a new Wynn filter. The chip separator took out the big stuff, but still passed a lot of dust (maybe 20%) which would settle in the filter or the bag. The filter was cleaned out regularly with compressed air as recommended by the manufacturer when the manometer showed an inch (water) of back pressure. This occurred two or three times a year until this summer when the back pressure went up to two inches in a matter of days. It was obvious that it was time to replace the filter.THE FIX: The cost of the new Wynn filter is about $150 so an Oneida four inch cyclone was added to hopefully extend the filter life. It was a bit of luck that the cyclone fit between the fan housing and the trash can. There is just enough flexible hose between the two to lift the cyclone and slide the trash can out. There was also a piece of lexan left from my last project so a window was added in the trash can to monitor the saw dust level.THE RESULTS: In addition to greatly improved air flow, little if any visible dust is getting to the bag under the filter. Oneida's claim that 99% of wood waste is removed before reaching the filter is plausible. All together the cost for filter and cyclone was ~ $350 so I'm hoping to get at least six years before the next filter replacement.

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