![]() However a normal hose clamp will be just fine as well. This screen will save your fingers and nugs from potential damage and make things much easier for you.ĥ.) Get a hose clamp, T clamp is preferred, it will hold better and be quicker to snap on and off. ![]() Metal duct tape works well, something thats not permanent because you will have to clean the blades every once in a great while. Something that will let air pass through it but not trimmings as such.ġ.) Take your fan and figure out which way the air flows, you want it to draw air from the top, blow it out of the bottom.Ģ.) Cut off as much of the housing as possible so you're as close to the fans blades as you can be, should be less then a 1/4 clearance just enough so the blades don't scrape against the screen/meshģ.) Now take a little 300grit sand paper (more or less works as well, I have 300grit laying around my shop everywhere) Sand the edges of the blades to give them a bit of a sharp edge, doesn't have to be a razor but the sharper the better.Ĥ.) Attach your screen/mesh to the top side. Alright for those who are a little on the lax, lazy, or just want to safe some time trimming this tutorial is going to go over how one can convert a simple inline duct fan into a auto trimming machine for a few bucks!! First the supplies needed.ġ.)4,6,8,10, OR 12" Inline duct fan, must not be the plastic bladed types they will not work, if they do work it won't be very good!Ģ.)Gardners mesh or a screen with large holes of some sort, Don't be picky about this but something that will allow trim leaves to pass through without letting your fingers and buds get passed.ģ.)a perforated bag, old lawnmower bag will work, canvas or burlap sacks will as well.
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