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Removing pulley from 100

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Brian J

01-14-2008 10:42:35

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I'm starting the process of going through my 100, and having a tough time pulling the lower pulley off of the front of the crank. I had a puller on it, but was afraid of putting to too much pressure on it. I was also leery of adding a little heat to it. Any suggestions before I break something?

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Patrick Martin

01-14-2008 19:10:21

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Re: Removing pulley from 100 in reply to Brian J, 01-14-2008 10:42:35

Brian J,

Do exactly what the I&T manual says. You need a bearing separator and a 3 or 4 jaw puller. You cant grip the pulley with the puller because it flex's inward and binds on the crank. You use the bearing separator (available from Harbor Freight) and get it behind the pulley and pull on the separator. It'll come right off. :)

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El Toro

01-14-2008 19:03:06

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Re: Removing pulley from 100 in reply to Brian J, 01-14-2008 10:42:35

You need a puller like Bigdog made for his Cub.
You can make it yourself or have a metal shop make it. You use a bottle jack or a hydraulic ram. Hal

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georgeky

01-14-2008 10:53:18

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Re: Removing pulley from 100 in reply to Brian J, 01-14-2008 10:42:35

Check the archives on this forum, several homemade devices for pulling those are here. Or, you need a bearing splitter to put behind the pulley, then attach puller to it. A little heat won't hurt a thing except maybe the seal, which should be replaced anyhow.

When reinstalling heat the pulley in your oven at 400 degrees for about 45 minutes. It will go on then. You have to get it from oven to tractor quickly as it only takes a couple minutes for it to cool and shrink again.

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