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Implement Alley Discussion Forum

Bush Hog Blades, tight or loose enoug to swing ?

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Ray Morehouse

05-20-2007 12:49:59

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Hi ... This is my first bush hog and my question is, should the blades be tight, in the straight out postion or should they float on the shoulder bolts, and the spinning will make them swing out. I thought mine were locked straight out, but this year they both swing real easy, any help would be greatley appreciated. Are the shoulder bolts worn? Thanks Ray

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MLD

05-22-2007 06:36:15

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Re: Bush Hog Blades, tight or loose enoug to swing in reply to Ray Morehouse, 05-20-2007 12:49:59

My John Deere you can't tighten them up, the sholder bolt keeps them loose.

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James Howell

05-21-2007 10:19:25

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Re: Bush Hog Blades, tight or loose enoug to swing in reply to Ray Morehouse, 05-20-2007 12:49:59

The only stationary blades I have ever seen were on ground-driven rotary cutters.

MF Poor is right about centrifugal force. If a blade hits an �unseen� obstacle such as a rock, stump, root, log, fence post, or whatever else is hiding in the weeds, the blade will fold in/back on impact.

The blades swivel/spin on the shoulder bolts.

Be sure to check the shoulder bolts to see if they are worn. If they are you can turn/rotate the bolt 180� and use the �unworn� good side.

If they are worn more than 30-40%, you might want to replace them. I had one to wear through on my Corsicana rotary mower. To this day I have not found the blade!

As a suggestion you might consider buying an over-run PTO clutch coupler. It keeps the inertia in your mower or other PTO driven implements from pushing your tractor.

Keep your blades sharp and be careful!

Hope this helps.

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MF Poor

05-20-2007 12:56:13

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Re: Bush Hog Blades, tight or loose enoug to swing in reply to Ray Morehouse, 05-20-2007 12:49:59

They should swing freely. Cetrifugal force keep's 'em extended. Hitting obsticals makes 'em fold in.

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Ray Morehouse

05-20-2007 13:21:24

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Re: Bush Hog Blades, tight or loose enoug to swing in reply to MF Poor, 05-20-2007 12:56:13

Thats what we thought at first ..then second guessing comes in .. ..just wanted to make sure ..Thanks!

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