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Cub Clutch-Grinds if in too far?

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NawlensGator

07-07-2007 16:27:31




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Looked at a cub loboy for a friend today. When the clutch is pushed too far it makes a grinding sound. It shifts fine when pushed in a little, and grinds when in too far. Is this an adjustment problem or is something wore out (or fixing to wear out)?




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billde

07-07-2007 21:49:52




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 Re: Cub Clutch-Grinds if in too far? in reply to NawlensGator, 07-07-2007 16:27:31  
You have an eccentric on the clutch pedal, try rotating it CCW little bit at a time. You need 1/8 of an inch space between the bearing and the fingers.
If you have further problems email me.



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John M

07-07-2007 19:40:02




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 Re: Cub Clutch-Grinds if in too far? in reply to NawlensGator, 07-07-2007 16:27:31  
Having a Cub that did that very same thing, Im going to say the clutch fingers are out of adjustment. As far as the throw out bearing being junk, well the one in mine is at least 40 years old and still going.



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John-Paul T

07-08-2007 09:53:42




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 Re: Cub Clutch-Grinds if in too far? in reply to John M, 07-07-2007 19:40:02  
If these are anything like regualr clutches (in cars/trucks) Im not seeing hwo the fingers cause it (not saying your wrong dont mistake me-Im trying to learn). When you press so far on pedal the bearing move to max travel thatit can, it should but against and stop moving out. Now when they are shot, they hit that point, the bearing loads up hard and finds the bad spot (if ball beairing) and either screeches or makes pedal jumpy etc etc.

I wasnt putting cub down by the way. I just thought a bushing type or plastic type throwout bearing was comical. I mean..... ..... lol. My bros a engineer and even he was laughing.

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John M

07-08-2007 14:55:46




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 Re: Cub Clutch-Grinds if in too far? in reply to John-Paul T, 07-08-2007 09:53:42  
The clutch fingers on a Cub are adjustable so to speak, and have to be set at a ceratin spec from the clutch disc.Assuming the linkages are set right and the fingers are too close to the disc, when you push in the clutch petal, it will make that noise.The throwout bearing is make of graphite on the early Cubs. When maintained, they can last forever.The later Cubs used a "regualr" type bearing. Evidentallly it works, since mine was put in around 1966 by the gentleman I bought it, who bought it new. He did replace the disc, but thats all.

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John-Paul T

07-07-2007 19:25:35




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 Re: Cub Clutch-Grinds if in too far? in reply to NawlensGator, 07-07-2007 16:27:31  
yep, definatly throw out bearing. Id check napa for a real one, they can usually cross refrence bearing part numbers. They can usually set you up with a good replacement. Dont bother with anything but a real ball bearing replacemtn a bushing is just plain a joke for this purpose!



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460anger

07-07-2007 18:42:50




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 Re: Cub Clutch-Grinds if in too far? in reply to NawlensGator, 07-07-2007 16:27:31  
The throw out bearing is junk. They were mad out of a graphite like material and went bad often. You have to split the tractor to fix it. There is a company out there who makes a real bearing for this.



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