I used to redo all my JD 180 blades like this as well. Murf Join Date: Dec 1999 Posts: 7142 Toronto Area, Ontario, Canada Pics: 2010-09-10 173939 We use an angle grinder, but we remove the blades from the mower to do it, trying to hold a floppy, rotating blade while you hold the grinder (a job that usually requires 2 hands) is a royal PITA! Just one note -- you don't want a razor sharp edge on a bush hog blade, and this is ESPECIALLY true if you cut saplings and brush. The process of sharpening tool blades is similar whether it is a manual or gas operated tool. Got a question about sharpening: I've always sharpened the blades on my bush hog once a year, never tried to get them razor sharp but just clean off the biggest nicks and get some kind of edge on them. If you use the search function, you should find lots of previous discussions on the topic of sharpening brush hog or rotary cutter blades. I use a steep angle about 30-35 degrees to give the edge a fighting chance. I use quick clamps, clamped to the back of the cutter to keep the blade from moving. Needless to say, your brush cutter blade will get dirty with each use. My blades on the bush hog I have are pretty darn sharp for a bush hog blade and its been many years since they were done. Best way to sharpen blades on rotary cutter. Best Tool For Sharpening Brush Hog Blades. Still knocks down the big weeds but the little wooden stalks less than an inch went down easy at first but not for long. especially the high lift blades, in the web area where the blade makes it upsweep to form a lifting foil. Normally, you should clean it after every use before storing it. Step 1: Make sure that the engine is turned off. Regardless of size, Bush Hog's mowers are rotary models that use a single blade spinning horizontally to cut through thin grass blades or tough brush. Attached is a pic of just one of mine on an sq172 . If you have a front end loader you can just pick the mower up using a chain. Depends on how bad (dull/dinged/dented) they are. Anybody got any tips or how to videos on touching up or sharpening brush cutter blades. David Carpenter Join Date: Posts: 1: 2002-05-20 38838 I have a 5' Bush Hog and use a 4.5 angle grinder also, works fine. Not only will sharp edges not last, a very sharp blade can cut a sapling and create a spike that will go through a tire, or worse, a foot. I use a makita 5" sander. A2A. Brush Cutter Blade Cleaning. I sharpen brush blades for a contractor. Most manuals say to leave approximately a 1/8" flat edge on them instead of making them sharp as you would with a lawn mower or finish mower. Bought one and it works great but the blade dulled quickly, not that I ever hit the dirt with it. If they aren’t too bad I go ahead and grind them myself. How often do you sharpen the blades on your brush hog? But in case your brush cutter blade needs cleaning before sharpening it, here is a quick guide on how to clean your blade properly. I use 80 grit to shape the blade and 120 to put an edge on. It is a large hydraulic motor-driven attachment on a skid steer loader. Safety goggles are a must, along with gloves and a jacket. Close attention and care to maintain the angle of the blade is the key to sharpening your brush cutter blade. The angle on the blade may be slightly different, however the procedure will be the same. Frequent use -- as well as rocks and stumps -- dulls the blades, so they should be sharpened periodically to cut most effectively. Discussion in ' Whitetail Deer Habitat ' started by Wild Thing , Aug 5, 2020 . As soon as they need sharpening I sharpen them. Opinion on to sharpen or not to sharpen a brush hogs blades I believe I have found most of the rocks located on my property but of course there is always more. Your brush hog ' started by Wild Thing, Aug 5, 2020 one of mine an. Fighting chance touching up or sharpening brush cutter blades put an edge on mine on an sq172 but for. 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