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Brush hog blades

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Chuck

06-22-2002 13:33:29




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Guys,
I bought a used king kutter 5' brush hog.I knew the owner and he said he bought it new and used it for two years and then it set for a good five or six years. I attached it to my H and upon engageing the pto the thing started to shake violently and I pushed in the cluch right away. I shut the tractor off and double checked that everything was in line and hooked up right. I looked under the mower to make sure the blades were not bent or missing. Just double checking everything. I started it again and it did the same thing. I dont know much about these units except that I do have a overrunning couppler on the pto.

After talking to a guy that owns one of the same he says that the blades are supose to swing freely. The blade on mine are not swinging freely. I asume from the seting for six years. Is this true and could that be what is causing the shaking. What would you guys recomend to solve this problem.

This site has given me so much info I can never begin to thank you all enough.

Chuck

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BB

06-24-2002 10:02:11




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 Re: brush hog blades in reply to Chuck, 06-22-2002 13:33:29  
If you have an FEL, here is what I do. When I want to sharpen my blades, I pull my tractor up to my cutter so that the FEL extends completely over the cutter from the side. I put a chain from my FEL to the opposite side of my rotary cutter. Then I raise it up until it is standing on it's side and then I lean it carefully back against the front of my tractor. I have complete safe access to the underside of the cutter to inspect it and sharpen my blades. At least once a year, I put some gear oil around the pivot point where each blade attaches to the stump jumper and make sure it pivots freely. That pivot point collects dirt, grass, and whatever else it can grab.

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Blake

06-23-2002 19:17:55




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 Re: brush hog blades in reply to Chuck, 06-22-2002 13:33:29  
Your problem could be that between the pan and the blade there is some wire. I would sit the hog up on blocks and remove the blades, scrape off all buildup on the pan, and spray penetrating oil on the blade and pan. Once you put your blade back on, work the blades around to insure they are swinging freely. Hope this helps



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Blake

06-23-2002 19:16:40




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 Re: brush hog blades in reply to Chuck, 06-22-2002 13:33:29  
Your problem could be that between the pan and the blade there is some wire. I would sit the hog up on blocks and remove the blades, scrape off all buildup on the pan, and spray penetrating oil on the blade and pan. Once you put your blade back on, work the blades around to insure they are swinging freely. Hope this helps



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Joe (Wa)

06-22-2002 19:09:46




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 Re: brush hog blades in reply to Chuck, 06-22-2002 13:33:29  
Chuck, Those blades are heavy and if not swinging freely can damage the gear box. Block it up and crawl under for a look, often the culprit is a piece of wire wrapped @ blade(s) pivot. When engaging the PTO do so at a low rpm until centrigul force can get the blades lined up. Joe



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Joe (Wa)

06-22-2002 19:01:56




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 Re: brush hog blades in reply to Chuck, 06-22-2002 13:33:29  
Chuck, Those blades are heavy and not swinging freely can damage the gear box. Block it up and crawl under for a look, often culprit is a piece of wire wrapped @ blade(s) pivot. When engaging the PTO do so at a low rpm until centrigul force can get the blades lined up. Joe



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Festus

06-22-2002 14:12:47




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 Re: brush hog blades in reply to Chuck, 06-22-2002 13:33:29  
He's right, the blades should pivot freely. They are probably just rusted in place. You might try to spray the pivot points with Liquid Wrench or some other lube like WD-40 and let it set overnight. Then start the tractor and see if it will break free. The centrifugal force of the blades swinging should break it free eventually.



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