Posted by gahorN on May 31, 2009 at 11:32:17 from (64.237.123.140):
In Reply to: brush hog blades posted by Dunk on May 30, 2009 at 12:43:15:
gahorN said: (quoted from post at 13:45:47 05/31/09)
Grand Valley Tractor said: (quoted from post at 20:37:02 05/30/09) It's normal, like the other folks have said. You might want to crack the nuts loose on each, shoot it with some light oil, work them around and re-tighten the nuts if it's been sitting a while.
[Caution...Entering the rant zone]
On brush hog blade "sharpening"...leave about a 1/16" flat or radius on the leading edge! They are NOT grass-mowing blades, they are vegetation-smashing blades. Go look at a new set...they ain't "sharp"! Sharpening just wastes time and wears them out faster.
[Whew...Exiting the rant zone] ;=)
Those are good words. Rhino instructs a 1/8" flat leading edge, with a sharp 90-degree tip (don't let the end of the blade become "scimitar" or curved, but re-grind to a square-ended blade.) Never use heat to heat and beat a blade, like some blacksmith-types recommend, because that will remove the temper of the blade. Do not overheat the blade when grinding. When 1/2" of material is removed from original blade dimensions, they recommend complete blade and bolt replacements.
Sorry for my "typo".....GVT said it correctly.... the edge should be 1/16" ... and not a knife-edge. (My 1/8" was a typo.)
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