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  1. #1

    Join Date
    Jul 2002
    Posts
    11
    Location
    SW Michigan

    Default Removing blades on a finishing mower

    Is there a trick or technique in removing the blades on a finishing mower? I have a 84" rear finishing mower and I want to take the blades off to sharpen. They have not been off since I brought the mower. I can raise the mower high enough to get underneath so getting at them is no problem. Any help would be greatly appreciated.

  2. #2

    Default Re: Removing blades on a finishing mower

    I use my impact wrench set at the lowest setting. They come off fast and go on fast. It is the best and fastest solution that I have found.

  3. #3
    Elite Member
    Join Date
    Apr 2000
    Posts
    3,747
    Location
    Stowe, Vermont
    Tractor
    Kubota L3240HST, KX-121-3S

    Default Re: Removing blades on a finishing mower

    Ditto. I was absolutely unable to remove them without my impact wrench!

    Pete

  4. #4
    Veteran Member
    Join Date
    Jun 2004
    Posts
    1,368
    Location
    N.E. KY
    Tractor
    Century 3035

    Default Re: Removing blades on a finishing mower

    Impact Wrench

  5. #5
    Super Member ronjhall's Avatar
    Join Date
    Apr 2000
    Posts
    7,407
    Location
    SE Michigan, TX when its cold in MI.
    Tractor
    Kubota 2910 HST

    Default Re: Removing blades on a finishing mower

    siebo

    I use my Craftsman electric impact wrench to remove finish mower blades. [img]/forums/images/graemlins/smile.gif[/img]

    On my rotary mower I needed a 4' extension bar on a 3/4" ratchet. [img]/forums/images/graemlins/tongue.gif[/img]


  6. #6

    Default Re: Removing blades on a finishing mower

    If you decide to use an impact wrench as we have suggested above, just take care not to try to simulate a NASCAR pit stop. Start all of the bolts by hand and snug them up tight. Then use the impact wrench to finish the job. I also use anti-seize compound on my threads and between the blade and the spindle to keep them from freezing together with rust.

    Good Luck

  7. #7
    Veteran Member jimg's Avatar
    Join Date
    Jun 2003
    Posts
    2,030

    Default Re: Removing blades on a finishing mower

    This subject is very timely as Im going to replace the blades on my finish mower shortly. First, I assume that the bolts holding the blade on are RH threaded. Correct? Secondly, how many of you keep a spare set of blades? I was thinking a spare set might be handy.

    BTW I like the idea of putting no-sieze on the threads! I ran into a similar problem w/ the bolts that hold the belt gaurds on. One had rusted so badly over the winter that it had to be destroyed to get it off.

  8. #8
    Epic Contributor Bird's Avatar
    Join Date
    Mar 2000
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    37,629
    Location
    Texas

    Default Re: Removing blades on a finishing mower

    All the blades I've encountered were right handed threads, and yes, I used to keep a spare set of blades, so I could sharpen them at my convenience and always had a sharp set to put on whenever I wanted to.

  9. #9
    Veteran Member
    Join Date
    Jun 2002
    Posts
    1,129
    Location
    Oklahoma City
    Tractor
    Deere 855 (24hp/19@PTO)

    Default Re: Removing blades on a finishing mower

    Before my impact wrench (which I basically bought for mower blade removal), I used to block the blades with a piece of wood, then use a small breaker bar. That would scare me to death. One slip and my hands could go flying into a blade. It never happened, thank goodness, but it's an easy chore now with the impact wrench.

    JimG- My JD mower deck and BushHog brush cutter both use standard RH threads. No spares here, but if you go to the trouble of taking them off, it takes just a minute or two per blade to grind an edge. I think for me, a spare set would be worth more as a back-up to replace a bent or broken or badly damaged blade.

    OkieG

  10. #10
    Veteran Member jimg's Avatar
    Join Date
    Jun 2003
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    2,030

    Default Re: Removing blades on a finishing mower

    Bird, OkieG,
    Thanx!

    Okie...I had that happen before on a push mower, was changing the blade and the wrench slipped. Even 'sharp' blades arent all that sharp...more like finely serrated. It healed up pretty quick though. [img]/forums/images/graemlins/smile.gif[/img]

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