Throwout Bearing

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Throwout Bearing

Postby Bill E Bob » Wed May 28, 2014 12:27 pm

Split the '50 Cub to see why the main shaft wouldn't decelerate properly after the clutch had been released. At any rate, while inspecting the TOB, noticed the graphite section spun freely in the cast carrier. This is an IH bearing, in good shape and well lubed. It has performed flawlessly since I've had the tractor. Anyone experience this before, and is this a potential problem?
Here is a pic:
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Re: Throwout Bearing

Postby tst » Wed May 28, 2014 12:33 pm

I have had several aftermarket bearings with the graphite loose,falling out, never an IH one, the IH bearing has the part # on and says made in USA
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Re: Throwout Bearing

Postby tmays » Wed May 28, 2014 12:42 pm

It's past potential. Not supposed to spin like that
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Re: Throwout Bearing

Postby Clark Thompson » Wed May 28, 2014 1:44 pm

Looks like it has been replaced recently because it looks so clean. I suspect it is a after market bearing. everyone of the after market graphite bearings I have used ( alot of them!) have failed. I will not ever buy another after market graphite bearing. all junk! as are the pressure plates!
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Re: Throwout Bearing

Postby Bill E Bob » Sun Jun 08, 2014 3:03 pm

UPDATE :!:

Yes, the TOB is aftermarket. So (as an experiment) I drilled and tapped 2 holes 180* apart in the cast carrier and installed 2 set screws, with thread locker, to hold the graphite block in place. I soaked it in oil, made sure it was well greased (cheap grease) and installed it. (so far so good). Will monitor and report periodically. If it goes away, I will try Clark's modified IH/GM TOB.
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