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Implement Alley Discussion Forum

Frozen blade bolts on Bushhog sq72

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Carl Dawson

11-10-2003 14:19:09




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I have a Bushhog Sq72 shredder that is about 3 or 4 years old. I went to replace the blades and can't get the bolts off. Tried liquid wrench, 4 foot cheater, nothing works. I jacked it up to see if I could cut the bolts, but there's not a real good spot to attack them from. Short of taking the darn thing into the dealer, any suggestions? Thanks in advance. Carl




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T.J.-N.J.

11-13-2003 19:18:36




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 Re: Frozen blade bolts on Bushhog sq72 in reply to Carl Dawson, 11-10-2003 14:19:09  
Heat lots of heat and break it loose before it cools. T.J.



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Mac

11-12-2003 05:49:31




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 Re: Frozen blade bolts on Bushhog sq72 in reply to Carl Dawson, 11-10-2003 14:19:09  
Carl, I just did the same thing this summer to a 72 that had been sitting for a few years. I tried all the above mentioned methods of busting it loose. (heat, rust buster, 6 foot cheater on the 3/4 drive pull arm, couldn't ever get the pipe wrench to hold) I was able to get under there with my little 4" side grinder with a cutter blade and cut one side of the nut off then used a chisel to knock the rest of the nut off fairly easily. Just be sure that jacked up sucker is real stable before you go crawling under there to work on it.

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colekicker

11-11-2003 00:16:47




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 Re: Frozen blade bolts on Bushhog sq72 in reply to Carl Dawson, 11-10-2003 14:19:09  
Just get ya a big impact on them. There is a spline on the bolt to keep it in place in the blade pan. Not left hand threads. Sold BH before, know the parts.



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Carl Dawson

11-11-2003 06:22:47




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 Re: Re: Frozen blade bolts on Bushhog sq72 in reply to colekicker, 11-11-2003 00:16:47  
Thanks guys for all the suggestions on this. I'll bring a bigger cheater and some heat when I go up this weekend, and see if I can conquer these bolts! If not, it does give me an excuse to buy a 10 foot shredder to use in the fields whilst my 6 footer is at the dealer, letting someone else swear at those darn bolts...



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Robert in W. Mi

11-11-2003 14:30:02




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 Re: Re: Re: Frozen blade bolts on Bushhog sq72 in reply to Carl Dawson, 11-11-2003 06:22:47  
"If" you decide to buy a new cutter, better go look how "Woods" holds there blades on!! You don't have to go through all the headache of the other brands when you have a Woods cutter. Robert



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kjm

11-10-2003 20:17:54




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 Re: Frozen blade bolts on Bushhog sq72 in reply to Carl Dawson, 11-10-2003 14:19:09  
Carl, the bolts are splined or tapered, heat the nut and use a long cheater pipe on a 3/4 drive socket (I use a 10ft pc of exhaust pipe)you need a HD air hammer to drive out the bolts.Anti-seeze every thing and put it togather again. lol kjm



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treeboy

11-10-2003 19:07:17




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 Re: Frozen blade bolts on Bushhog sq72 in reply to Carl Dawson, 11-10-2003 14:19:09  
sometimes you can take the stump jumper off ,then you have full access to the blade bolts.. sounds like your going to need a big pipe wrench w/ 5 ft. pipe & air wrench for the nut.. i don't think they will be left hand threads... get a torch in theere and cut them off best deal..stand hog upon its side...keep water hose handy



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RJ-AZ

11-10-2003 15:37:37




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 Re: Frozen blade bolts on Bushhog sq72 in reply to Carl Dawson, 11-10-2003 14:19:09  
I dunno much about Bush Hogs but the Rhinos we use here In sunny southern Arizona have a LEFT hand threaded bolt that holds the blades on. It usually taked a good 3/4" drive impact to get them loose.



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old

11-10-2003 15:15:52




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 Re: Frozen blade bolts on Bushhog sq72 in reply to Carl Dawson, 11-10-2003 14:19:09  
Heat almost always works and another nice thing is an impact wrench, but if you don't have them you could be in trouble. If you do heat the bolts up good let them cool some and try again hope this helps



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Douglas Williams

11-11-2003 12:23:54




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 Re: Re: Frozen blade bolts on Bushhog sq72 in reply to old, 11-10-2003 15:15:52  
I have used the heat method plenty of times. My neighbor (gunsmith) swears by aerokroil. He has removed many of barrels from guns that have seen better days. Guns that you thought should be sold for scrap. Aerokroil is exepensive, but he and all of his freinds swear their life by it. Aerokroil cans states it creeps oil in place one millioneth of an inch. one can is between $9-14 DOLLARS Good Luck

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