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? about lawnmower blades

47studebaker47studebaker Member Posts: 2,251 ✭✭✭✭✭
edited May 2017 in General Discussion
Never bothered with sharpening blades before. Is the bolt holding the blade to the motor shaft "lefty loosey" or "lefty tighty"??
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Comments

  • Horse Plains DrifterHorse Plains Drifter Forums Admins, Member, Moderator Posts: 40,234 ***** Forums Admin
    edited November -1
    I have seen both, but mostly RH thread "lefty loosey".
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  • HandLoadHandLoad Member Posts: 15,998 ✭
    edited November -1
    PULL THE PLUG WIRE!!!
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  • remingtonoaksremingtonoaks Member Posts: 26,245 ✭✭✭
    edited November -1
    Almost all lawnmowers have right-handed Blade studs. But remember I said almost all, there are a few brands that have left-handed studs

    If you call a lawn mower repair mechanic, tell him your make and model, he will tell you if it's right-handed or left-handed
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  • CubsloverCubslover Member Posts: 18,601 ✭✭
    edited November -1
    depends on the direction of the blades. you can look at the pitch of the blade to determine the direction of rotation.

    The bolt would tighten in the opposite direction.
    Half of the lives they tell about me aren't true.
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  • yonsonyonson Member Posts: 950 ✭✭✭
    edited November -1
    Unless the blade is mounted upside down, the cutting edge is the leading edge, which tells you that the mounting bolt must travel in the same direction to loosen. And yes, as has already been noted, remove spark plug wire first, securing it away from the plug, if you value your fingers.
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  • jerrywh818jerrywh818 Member Posts: 2,573 ✭✭✭✭✭
    edited November -1
    The bolt tightens the same direction the blade turns. If you sharpen it don't forget to balance it after you sharpen it.
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  • fideaufideau Member Posts: 11,895 ✭✭✭
    edited November -1
    As air ratchet or impact will make it a lot easier to get that nut off too.
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  • spasmcreekspasmcreek Member Posts: 37,717 ✭✭✭
    edited November -1
    put the blades on upside down...doesn't hurt the grass as much...
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  • asopasop Member Posts: 9,020 ✭✭✭✭
    edited November -1
    Have 2 sets for the Deere. Sharpen and change every spring. 1st cutting I use the previous season's blades, then change out.
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  • Mr. PerfectMr. Perfect Member, Moderator Posts: 66,437 ******
    edited November -1
    quote:Originally posted by spasmcreek
    put the blades on upside down...doesn't hurt the grass as much...
    Is this sarcasm?
    Some will die in hot pursuit
    And fiery auto crashes
    Some will die in hot pursuit
    While sifting through my ashes
    Some will fall in love with life
    And drink it from a fountain
    That is pouring like an avalanche
    Coming down the mountain
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  • Brian98579Brian98579 Member Posts: 1,188 ✭✭✭
    edited November -1
    I worked for a power equipment shop for several years. We sharpened blades. Labor cost on the mulching blades (Honda, for example) approached replacement costs. I sharpened mine at home, mostly with a file. Not related, but important to note, is that blades which are used a lot, even the thicker ones, will eventually be eroded by sand and dirt on the trailing edge, near the tip, at the curve where they bend up. These could fragment. At that point, we would not sharpen them.
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  • wpageabcwpageabc Member Posts: 8,760 ✭✭
    edited November -1
    +1 on lefty loosey...
    "What is truth?'
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  • cce1302cce1302 Member Posts: 9,555 ✭✭✭
    edited November -1
    Wear protective gloves. (ironclad, mechanix, etc.)

    I lost half a fingernail (it grew back) when my block slipped out and the sharp (new) blade swung around.

    I have never hurt so badly in my life.
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  • Irish 8802Irish 8802 Member Posts: 1,301 ✭✭✭
    edited November -1
    "Oh for Gawds sake" I've got to quit reading these forums, The questions are Like "Duh". It is almost 21:00 and time for this old grouch to hit the rack.
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  • Smitty500magSmitty500mag Member Posts: 13,623 ✭✭✭✭
    edited November -1
    One of these comes in real handy for balancing the blade. I use a bench grinder to sharpen my blades.

    80183_2000x2000_zpsshca9avh.jpg

    41GcJzkdEBL_zpsvybfqdqw.jpg
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  • 35 Whelen35 Whelen Member Posts: 14,307 ✭✭✭
    edited November -1
    quote:Originally posted by Irish 8802
    "Oh for Gawds sake" I've got to quit reading these forums, The questions are Like "Duh". It is almost 21:00 and time for this old grouch to hit the rack.




    Please do.
    An unarmed man can only flee from evil, and evil is not overcome by fleeing from it.
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