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Wood's Brush Hog

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Wardner

07-19-2000 16:14:22




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I have a B-106-1 Woods Brush Hog that has spent a lot of time beating up on rocks. The bottom seal on the gear box needs to be replaced. There is not much left of the center bolt that holds on the center bar. I was thinking of torching off what remains of the bolt head. If I do this, will the center bar separate from the gearbox? Is it possible that it might be a shoulder bolt? Any suggestions on replacing the seal would be appreciated if this is not a routine seal replacememt and repair.

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RickB.

07-19-2000 16:56:22




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 Re: Wood's Brush Hog in reply to Wardner, 07-19-2000 16:14:22  
The typical Woods gearbox uses the blade bar & shims to set the preload on the downshaft bearings. That retaining bolt probably is sitting in an hex-bore washer welded to the blade bar as a lock. It is a common gr5 bolt; no shoulder, no surprises there. Keep track of the shim pack, and check for endplay before disassembly to determine if shims should be removed. After removing the bolt & shims, the blade bar may fall off the straight keyed shaft, or may fight until you cut it off with a torch & buy a new one. The dealership where I work has a 'certified' Woods blade bar puller and I have seen a couple that wouldn't come using it. A Woods replacement seal & shim kit will have detailed instructions n shimming the downshaft assembly. Not rocket science, but it needs to be done correctly. Good Luck, RickB.

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Wardner

07-20-2000 16:59:30




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 Re: Re: Wood's Brush Hog in reply to RickB., 07-19-2000 16:56:22  
Thanks Rick. So if I break the weld on the washer and rotate it, the washer and bolt should come out together?



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RickB.

07-20-2000 19:06:11




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 Re: Re: Re: Wood's Brush Hog in reply to Wardner, 07-20-2000 16:59:30  
There are two different styles of washer. One is welded in and can be cut/pried out. The other is a little oversized and is just driven in and deformed like a cup type frost plug. Either way, get the washer out before wrenching on the bolt. You may have to sacrifice the washer.



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