Posted by Spook on October 20, 2013 at 08:08:04 from (99.103.114.167):
In Reply to: Gearbox Question posted by Fawteen on October 20, 2013 at 03:24:48:
I think you are overthinking it. The gears are pretty simple, they don't care if they are going left or right. Backlash is necessary, otherwise the gears wouldn't work work at all, the backlash is designed to be accommodate the stacked manfacturing tolerance of the gears, shaft, and assembly. The gears in a mower are not really precision, but are tough. As fars as the blades, if you are really worried, you could drill out the holes, and tap them for a larger, reversed thread. I wouldn't. I used to work in gear manufacturing, so I have some idea of this stuff. If it was a big bushhog, I might worry more about the blades coming loose, but on a finish mower, not so much. Just tighten them down, maybe loctite?
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