DIY mower blade holder
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    jgayman's Avatar
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    DIY mower blade holder

    I can't take total credit for this solution as somewhere I saw something similar on-line but for the life of me I can no longer find it.

    If you are like me you jack your tractor up to clean the deck and swap blades from underneath. That means you are working upside down and gravity is working against you.

    One of the problems I have had is how to keep the blade from turning while you torque the retaining bolt. A while back I had bought one of those fancy blade holders shown below. It was around $20 and while it does work on the outer blades it is very cumbersome to attach and detach and it's nearly impossible to use on the center blade (it does work quite nicely however on a push mower).



    I've also tried using a block of wood, which does work as long as the blade is pressing against it but as soon as you relax tension to reposition the torque wrench the block of wood has a tendency to fall out and do its best to wack you in the face. If you remove the deck and stand it on end or flip it upside down the block of wood works great.

    Which brings me to the solution below. I cut a chunk of 2-1/4 inch exhaust pipe and then squished the end so it would just slide over the width of the blade. The length is such that it is easy to slide on to the blade but then when the blade tries to rotate the other end of the pipe section will contact one of the deck baffle walls and prevent the blade from turning. It works amazing, does not fall off and hit you in the face, and is extremely inexpensive as a 27-inch chuck of pipe is less than $6.00.





    Attached Thumbnails Attached Thumbnails IMG_2412.jpg   IMG_2409.jpg   IMG_2410.jpg   IMG_2411.jpg  
    mjncad, glc, etcallhome and 19 others like this.
    2012 2720 -- 200CX Loader -- 54" Quick Attach Snow Blower -- Frontier LR5060 Rake -- Land Pride RB1660 Blade (Hydraulic Angle) -- Artillian 42" Forks -- Ken's Bolt on Grab Hooks -- Fit Rite Hydraulic top-link -- 2013 X500 for mowing duties

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    glc
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    Oh man I like that pipe idea!
    Last edited by glc; 07-24-2019 at 02:55 PM.
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    BOBL's Avatar
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    Pretty good thinking for a guy from PA. I like the idea because it stays in place. Although, I use an air gun and I don't use anything to hold the blades
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    Quote Originally Posted by BOBL View Post
    Pretty good thinking for a guy from PA. I like the idea because it stays in place. Although, I use an air gun and I don't use anything to hold the blades
    Battery powered impact gun does a great job as well if you can get it under there. I always just drop the deck when I do my blades... Man I love that drive over deck.
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    Quote Originally Posted by CJadamec View Post
    Battery powered impact gun does a great job as well if you can get it under there. I always just drop the deck when I do my blades... Man I love that drive over deck.
    I have plenty of room when lifted on my Mo-Jack. I use my Milwaukee M18 impact to remove the blades but I always tighten the bolts with a torque wrench when re-installing.
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    Good idea on the pipe!
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    This must take orders of magnitude longer than simply using the right tool for the job the first time... an impact gun.
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    jgayman's Avatar
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    Quote Originally Posted by Pedals2Paddles View Post
    This must take orders of magnitude longer than simply using the right tool for the job the first time... an impact gun.
    I'm not sure I understand? The blade bolt is removed with an impact gun but for proper installation blade bolts should always be torqued to the value listed in the owner's manual. So the "right tool" for the job is a torque wrench and that means you must keep the blade from spinning.

    Previously I've used blocks of wood and the fancy retainer shown above but this chunk of pipe works much better and requires literally 2-seconds to attach.
    glc and DRobinson like this.
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    Pedals2Paddles's Avatar
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    In 37 years, I've never actually seen or known anyone that used a torque wrench on lawn mower blades, nor have I seen blades jettison or jam due to not being torqued to some specified number. There's probably a lot of nuts and bolts on every tractor that have some torque specification ignored or not even known by most everyone, and are functionally irrelevant if common sense is applied.

    If you choose to make removing and installing the blades that complicated, I guess I can't really say you're wrong. But I can say you're probably wasting a lot of time and effort.
    Toughsox likes this.
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    Quote Originally Posted by Pedals2Paddles View Post
    In 37 years, I've never actually seen or known anyone that used a torque wrench on lawn mower blades, nor have I seen blades jettison or jam due to not being torqued to some specified number. There's probably a lot of nuts and bolts on every tractor that have some torque specification ignored or not even known by most everyone, and are functionally irrelevant if common sense is applied.

    If you choose to make removing and installing the blades that complicated, I guess I can't really say you're wrong. But I can say you're probably wasting a lot of time and effort.

    Particularly with battery powered impact tools there is a chance as the battery starts to die to tool will not develop full torque. This can lead to a bolt with far less torque on it than you might expect. For critical fasteners like lug nuts or blade bolts its always a good idea to double check that the bolt is securely fastened. In most cases that double check takes a few seconds of your time. Just a month ago I was rotating my wifes tires and went back over and checked with a torque wrench. I found one of the nuts needed a full turn and a half to get to full torque.

    I don't break out a torque wrench on the mower blades but I do go back and make sure they are tight. If I had a torque wrench handy out in the shed where the mower is I might though.
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