Recently adjusted clutch

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Recently adjusted clutch

Postby offrink » Wed Feb 12, 2014 8:18 pm

Hi all. I recently adjusted the clutch on my fcub. It worked flawlessly for a few hours of plowing. Then it started to grind the gears when shifting again. Did I not adjust the clutch enough or is the clutch going out completely?
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Re: Recently adjusted clutch

Postby Bob McCarty » Wed Feb 12, 2014 8:35 pm

When you say you adjusted the clutch, did you adjust the fingers or the pedal?

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Re: Recently adjusted clutch

Postby offrink » Wed Feb 12, 2014 11:34 pm

The fingers and then the pedal. At least what made sense with the pedal.

It hasn't gotten any worse the last 5-8 hours of plowing. It still grinds a little if I let it sit out of gear and try to shift or when shifting from r/1st or 2nd/3rd just based on the time it is out of gear. If it is going I want to get the parts now so I can have it when I need it.
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Re: Recently adjusted clutch

Postby Bob McCarty » Wed Feb 12, 2014 11:52 pm

Is the graphite face on the throw out bearing in good condition? You may want to take a look now and see how it is.

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Re: Recently adjusted clutch

Postby Eugene » Thu Feb 13, 2014 6:56 am

Dry pilot shaft bushing. Just a thought.

Won't know what the problem is until the inspection is completed. Suggest not buying parts until the problem or problems is/are determined.
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Re: Recently adjusted clutch

Postby offrink » Thu Feb 13, 2014 8:00 am

What is the best way to inspect the face on the TOB or the pilot shaft bearing?
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Re: Recently adjusted clutch

Postby Eugene » Thu Feb 13, 2014 8:15 am

offrink wrote:What is the best way to inspect the face on the TOB or the pilot shaft bearing?
Bottom of torque tube is a hand hole. Open the hand hole, with flash or shop light inspect the throw out bearing. Photos of new and worn out throw out bearings available on this site.

The pilot bushing is located inside the flywheel. It can be lubricated without splitting the tractor. Again another web search of this site.
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Re: Recently adjusted clutch

Postby offrink » Thu Feb 13, 2014 9:05 am

When I greased the TOB a few months ago( the first time in at least 15 years) it looked ok. I'll try to degrease the TOB again.

I have had hit and miss results from the search feature. I try searching for adjusting the clutch and see how many results you get!
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Re: Recently adjusted clutch

Postby Bob McCarty » Thu Feb 13, 2014 9:17 am

Here's a link to the GSS-1411 Blue Ribbon Service Manual for the clutch section: http://www.cleancomputes.com/Cub/Blue%2 ... Clutch.htm
Picture of new TOB from TM Tractor: http://www.tmtractor.com/new/cl/378fp.htm

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Re: Recently adjusted clutch

Postby offrink » Thu Feb 13, 2014 10:47 am

Will look at the TOB with a light and a mirror if I can find one when I can. The backside (non clutch side) and outer edge look identical to the TOB shown in the photos.
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Re: Recently adjusted clutch

Postby John *.?-!.* cub owner » Thu Feb 13, 2014 11:02 am

The front side(graphite side is the critical side. You should not need a mirror for that.
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Re: Recently adjusted clutch

Postby bythepond88 » Thu Feb 13, 2014 1:09 pm

I have never tried to lubricate the pilot bushing without splitting the tractor, but IIRC you back the tractor up some ramps, or elevate the rear some other way. Then, using a long tube (or several taped together, end to end) with the end at the center of the flywheel, spray some penetrating oil on the pilot bushing.
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Re: Recently adjusted clutch

Postby twotone » Thu Feb 13, 2014 1:24 pm

That's how I lubricate mine.
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Re: Recently adjusted clutch

Postby offrink » Thu Feb 13, 2014 4:44 pm

How often do you do that? Yearly?
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Re: Recently adjusted clutch

Postby twotone » Thu Feb 13, 2014 4:50 pm

I do mine when the gears start to grind. It's amazing how a lubricated pilot bushing will make it shift easier, if that's the problem. Mine probably gets done about once a year though.
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