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Removin' blade from bush hog

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Bill Caldwll

02-25-2005 18:51:24

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Been blacksmithin', forgin', weldin', and machinin'50 years or more. . . made enough chips to load and sink a battleship. Must have forged, drawn out, sharpened hundreds of bush hog blades over the years. . . but never took one of a bush hog. . so. . . got an old bush hog, 6 ft, it has an openin' in the top plate. Lookin' through I can see a big nut . . . guessin' this holds a blade on. Is it right or left hand threads? Got my shop floor tied up rebuildin' a 57 Farmall Super A engine. Louisiana's wet this time of year, hope you hands can save me some layin' in the mud.

Thanks
Wild Bill

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Bus Driver

02-26-2005 14:54:02

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

When one purchases a new mower, it is wise to remove the blade bolts and the stump jumper disc immediately and coat the threads with anti-seize compound. Also the taper onto which the stump jumper fits. The anti-seize fills the spaces where water would go and cause rust. Disassembly at blade changing time will be much easier.

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Sid

02-25-2005 21:49:02

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

I have changed the blades a few times on several different Bush Hog brand mowers, and they all came off the same. The bolt is special made it is tapered and it has a key and slot affair. You do not have to hold it or have someone hold it because of this keyed bolt and slott on the bracket the blade goes on. I take the nut off that you are talking about, get a 2x2 piece of wood and drive the bolts out. I find a dry spot and block my machine up and crawl under to put them back in. I have done this myself without any help but it sure is easier and quicker with two people putting them back on. I guess I am lucky I have never had to torch any off. If you have a good stout hoist you can chain onto the tongue and stand the machine upright as I have seen some do. I do not have the facilities to do it this way, and think I can probably put a set on my ten footer about as quick as I can get it rigged up and lifted and secured to work on.

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37 chief

02-25-2005 21:21:17

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

Sounds like a problem. Woods mowers have a real easy blade changing method. Can change both blades in under 10 min. I have a mower I am going to put in service this year, with the bolts you talked about, but now may not. Stan

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jim

02-25-2005 21:19:29

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

Regular threads on the bolt. Get a 3/4" drive breakover and a torque multiplier aka cheater pipe and it'll come loose. An impact is also nice. FYI..Some brands of choppers use cotter pins with castle nuts, I'd knock off the grass and check first.

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KenSWLA

02-25-2005 20:24:32

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

1957 isn't a good year for the Super A. The Super As were made 1947 to 1954 according to the serial number list on this site.

Ken Vincent
Sulphur, LA

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kjm

02-25-2005 20:15:53

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

Bill, Right hand thread, tapper fit. A little heat and a good impact wrench and an air hammer to drive it out from the top. God bless

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Dug

02-25-2005 20:09:49

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

Bill,

I bought an old hog last year to do my rough mowing. No torch, so I had to take those bolts off the old fashioned way. Crawling under it and wrestling didn't work out so well, so I went the unconventional route and flipped the hog upside down. It made life much easier and like I said, it was an old hog and the possiblity of damaging it wasn't of much concern.

Dug

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thejdman01

02-25-2005 19:53:37

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

right tight left loose hope you have the inch impact gun and the kroil

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kyhayman

02-25-2005 19:15:33

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

Normal thread but getting the nut off is the easy pat. Normally has a tapered slot with the bolt in it, go back to nature in a couple of years. Never had one yet that I didnt have to blow out and burn out with the torch.

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john in la

02-25-2005 19:14:42

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

Laying in the water; I mean mud may be unavoidable.

The blade is held on with a bolt and nut. You will have to get under there to hold the bolt from turning while you get the nut off.

I find it is a lot easier to take it off with a torch and replace with new bolt and nut.

Have fun in the mud. After yesterdays rain we are now up to 12 1/2" so far this year here in the south east corner of the state.
Spring is on the way though.

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marlowe

02-25-2005 18:58:52

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Re: Removin' blade from bush hog in reply to Bill Caldwll, 02-25-2005 18:51:24

right tight left loose or clock wise tight counter clock wise loose

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cat

02-26-2005 16:55:06

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Re: Removin' blade from bush hog in reply to marlowe , 02-25-2005 18:58:52

Not always

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