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Thread: RFI: Removing Mower Blade from Lawn Tractor

  1. #1
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    RFI: Removing Mower Blade from Lawn Tractor

    I terminally bent one of the blades on my mower. I've got the socket and just bought a 1/2" breaker bar to remove it, but can't figure out how to immobilize the blade. It's a Troy-Built I got from Lowe's. Any ideas will be appreciated. TIA!

  2. #2
    IS WHAT PLANTS CRAVE BehindBlueI's's Avatar
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    Quote Originally Posted by revchuck38 View Post
    I terminally bent one of the blades on my mower. I've got the socket and just bought a 1/2" breaker bar to remove it, but can't figure out how to immobilize the blade. It's a Troy-Built I got from Lowe's. Any ideas will be appreciated. TIA!
    Some mowers have a place on the top of the deck where you can lock the blades, often by inserting a socket wrench/breaker bar. Others lack that and a wedge of wood between the blade and the edge of the deck has been my answer. There is a special tool made that's a clamp that locks the blade to the edge of the deck, but I've never bothered to buy one.
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    Quote Originally Posted by UNM1136 View Post
    Maybe with talented students I would lube up with baby oil and then go at it.

  3. #3
    Wedge a chuck of 2x4 between the blade and the outshoot and wrench it off.

  4. #4
    Dunno about mowers in particular, but for the general case of removing nuts from shafts you can't immobilize (alternator pulleys are a common example) one technique is an impact wrench - the zillion impacts work against the inertia of the shaft and the nut comes off.

  5. #5
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    Same as above just wedge a chunk of wood somewhere between the deck and blade. It’s what we’ve done for commercial mowers since forever.
    "I don't know if it is a placebo effect or not, but I have a growing feeling of well being that comes directly from my instinctual survival drive deep in my belly center”

  6. #6
    Site Supporter EricM's Avatar
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    Have you tried taking it off and found it's really stuck, or are you just preparing for the worst? I haven't had an issue removing a blade or torquing it to spec holding the blade with one hand and wrench with the other.

  7. #7
    HAS ELECTROLYTES LittleLebowski's Avatar
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    Buy this for $11 or use a block of wood.

    https://www.amazon.com/Stens-750-058...dp/B001OK8K1Q/
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  8. #8
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    I agree that you can probably hold the blade in one hand and breaker bar in another, that's what I've done in the past. Same idea as 2 opposing pipe wrenches. Wear gloves so you can get some torque on it without bothering your hands.

    Also a good use for an impact gun.

  9. #9
    Site Supporter LOKNLOD's Avatar
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    Quote Originally Posted by Casual Friday View Post
    Wedge a chuck of 2x4 between the blade and the outshoot and wrench it off.
    this is what I do.
    --Josh

  10. #10
    If it gives you any trouble with the above mentioned methods heat the bolt up with a propane/MAPP torch for a few minutes then let it cool slightly.

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