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PTO Gear Install Problem

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Scott E.

10-20-2001 08:07:09




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Just bought a 1957 Farmall 130 complete with Bush Hog Mdl 600. I currently have a couple of problems:
1) I am attempting to install a belt pulley drive so I can attach my new Woods belly mower. The bevel gear to be installed on the PTO drive shaft does not slide right on. It seems to be the right size but is very tight. Do I use a wooden block and mallet, do I heat it, what is the trick? I don't want to damage anything.

2) The lower shaft seal in the bushhog is shot and needs replaced. I have removed the shaft nut but the blade hoder won't budge. I have heated the holder (slightly,don't want to damage anything)and given the shaft many heavy blows with a mallet and wooden block. No go. The thing sat outside for a good while before I got it. Any tips, tricks or ideas?

Thanks

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Mark Kw

10-24-2001 11:21:11




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 Re: PTO Gear Install Problem in reply to Scott E., 10-20-2001 08:07:09  
Not sure on the bushhog as to if there is any internal lock rings or what not. As for the PTO sheave, don't drive it on. It should be slightly snug but rather free on the shaft. In and out play parallel to the shaft is ok. Play that is perpendicular to the shaft is not good. I am assuming this is a splined shaft the sheave goes on. If so, have you checked both shaft and sheave for burrs or damaged spots in the splines? Do you have some other sheave or gear to try on the shaft and see how the fit is? If the shaft looks to be good, you can have the splines on the sheave burnished by a machine shop which should cure the problem. Needing a slight nudge with a mallet is ok but it should not be overly tight or you won't be able to get it back off without damaging something.

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Mark Kw

10-24-2001 11:20:59




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 Re: PTO Gear Install Problem in reply to Scott E., 10-20-2001 08:07:09  
Not sure on the bushhog as to if there is any internal lock rings or what not. As for the PTO sheave, don't drive it on. It should be slightly snug but rather free on the shaft. In and out play parallel to the shaft is ok. Play that is perpendicular to the shaft is not good. I am assuming this is a splined shaft the sheave goes on. If so, have you checked both shaft and sheave for burrs or damaged spots in the splines? Do you have some other sheave or gear to try on the shaft and see how the fit is? If the shaft looks to be good, you can have the splines on the sheave burnished by a machine shop which should cure the problem. Needing a slight nudge with a mallet is ok but it should not be overly tight or you won't be able to get it back off without damaging something.

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