Question about Garden
How do i sharpen scottbonnar cylinder mower blades
I believe you mean to say a 'reel' mower. Normally and old fashoined push (non-engine powered) mower.
Most consumer reel mowers do not need to be sharpened. They do however have a knife bed that occasionally needs to be adjusted. It should have the thickness of a regular piece of notebook paper between the blades and the knife bed. (that is really VERY close) You can buy 'lapping compound' from an automotive parts store, and apply that to the bed knife, and then rotate the blades to provide a precise fit for all blades.
Commercial reel mowers, such as those used on golf course equipment are however sharpened normally once or twice a year. It requireds dismantling, and many courses send their blades to a central location for golf equipment, where they are placed on a computer operated sharpener for precision grinding. This cost several hundreds of dollars just for the grinding.
Posted on Nov 12, 2009
The spiral blades can be sharpened by "back-lathing" them on the knife bed, and I saw several how-to articles but don't have the required 1/2" drill. I found a much simpler solution. Use a screwdriver to pop the cover and remove the circlip. Slide the wheel off and remove the smaller gear inside. You will see the cavity inside pushes a flat pin back and forth allowing the wheels to spin freely in one direction and engage in the other. I used my vise to break a large nail just short enough to fit where the slide pin was, so the wheels engage both directions. Do this on both sides. Tighten the blade bed down until the blades are difficult to turn. Now you can put some lath compound on the bed and push it around on pavement in reverse until the reel blade edges are shiny. Loosen the blade bed and replace the nail pieces with the original pins in the same orientation they were (make sure the wheels engage when forward and spin free in reverse, it will be obvious if you get them in backwards). Adjust your blade bed so it works like scissors (with very little resistance) The reel should spin easily but very close to touching the blade bed.
Posted on Sep 22, 2014
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Posted on Jan 02, 2017
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