Cub 22 sickle pulley question

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winkangrin
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Cub 22 sickle pulley question

Postby winkangrin » Sat May 16, 2015 6:10 am

Im having a bear of a time with the drive pulley for my Cub 22 sickle bar....specifically getting it onto the pto shaft.

Any advice?

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Re: Cub 22 sickle pulley question

Postby Cecil » Sat May 16, 2015 6:18 am

Make sure the PTO shaft and the inside of the pulley are clean and free from rust. Put a little grease on the shaft and see if that helps. If not take a chisel and spread the pulley just a little. Being tight on the shaft is a good thing. After it goes on put a small bolt or cotter pin in the hole in the pulley and shaft and make sure that the bolt is real tight.

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Re: Cub 22 sickle pulley question

Postby Smokeycub » Sat May 16, 2015 6:31 am

That's interesting. Many (like me) have the opposite problem, i.e. the pulley fit is too loose. If you have an original style it should slide on the PTO shaft then a roll pin through both and then clamped tight with a bolt on the back side of the pulley. You may have to spread it a bit to get it over the PTO shaft. Other than that there may be some galling somewhere in the splines either in the pulley or on the shaft and need dressed up a little, being careful not to over do it. Good luck! :coffee:
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leerenovations
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Re: Cub 22 sickle pulley question

Postby leerenovations » Mon May 18, 2015 10:02 pm

Smokeycub wrote:That's interesting. Many (like me) have the opposite problem, i.e. the pulley fit is too loose. If you have an original style it should slide on the PTO shaft then a roll pin through both and then clamped tight with a bolt on the back side of the pulley. You may have to spread it a bit to get it over the PTO shaft. Other than that there may be some galling somewhere in the splines either in the pulley or on the shaft and need dressed up a little, being careful not to over do it. Good luck! :coffee:


Ditto with my pulley, very loose and easy to install. The pulley for the Bushhog 412 is another story, that one takes a goof piece of wood and a dead blow hammer.
Tractors are like watermelons: the RED is good and you throw away the GREEN.

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Re: Cub 22 sickle pulley question

Postby pickerandsinger » Tue May 19, 2015 5:22 am

I have a "shop" toaster oven for pulleys etc….About 250 degrees…..Dave :)
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Smokeycub
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Re: Cub 22 sickle pulley question

Postby Smokeycub » Wed May 20, 2015 7:32 pm

leerenovations wrote:Ditto with my pulley, very loose and easy to install.

Not to steal the thread but my original pulley is so worn out that I can't use it without causing wear on the PTO shaft. I went to a two piece pulley and had alignment issues with the belt. I think it was George Wiler who came up with the "double groove pulley installed backwards" idea and that seems to work pretty well. I tried it but the pulley wouldn't tighten up real well and wanted to slide off the PTO shaft. I came up with the idea of using a single groove sheave and moving the mower assembly back about 1 1/2", it works very nicely and the pulley doesn't try to slip off. I had no trouble compensating for the difference on the mower setup, but no one else seemed to care for that idea. viewtopic.php?f=1&t=84840
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leerenovations
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Re: Cub 22 sickle pulley question

Postby leerenovations » Wed May 20, 2015 10:30 pm

Well, by easy to install I meant that it dosent take and army and a 55 gallon of wd40. Mine still tightens up good with the pinch bolt. and when you insert the cotter pin, there is no slop at all.
Tractors are like watermelons: the RED is good and you throw away the GREEN.

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Re: Cub 22 sickle pulley question

Postby DickB » Thu May 21, 2015 3:52 am

To get the pulley to not spin on the PTO shaft of my '55 Farmall Cub, a fellow many years ago (Henshaw, somewhere near Worcester??) who sold me the pulley took a hacksaw, cut into the pulley, put it on the shaft, ran a bolt through the saw cut on the pulley that tightened it onto the splines of the shaft. It's been there ever since. We took the splined shaft out of the Cub and brought it to him.


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