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Ford 9N, 2N & 8N Discussion Forum
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clutch assembly

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Roger Zeller

05-31-2004 08:05:21




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I have a 8n that was sitting for 20 years and the clutch assembly is stuck. The pedal has pressure but the clutch won't release. Does anyone know how to disassemble this thing or is there any special tools needed? Any help at all would be appreciated. The clutch WAS new before my Granddad died and the tractor sat. Where can I get an exploded view of the clutch assesmbly? What are the chances of the clutch still being good?(My Dad is convinced the clutch is still good.)

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ihmike(n.e.tx)

06-01-2004 09:53:07




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 Re: clutch assembly in reply to Roger Zeller, 05-31-2004 08:05:21  
Roger I think Richard is on the right track. (achives). I drilled a hole in my flywheel housing to unstick clutch (ck. achives), but I got to thinking you probably could do the same thing through the starter opening if you could bend a strong enough wire or screwdriver to the right dimensions to reach behind the flywheel.All it ever took on my 8n was a little nudge and the plate would come unstuck with a noticible sound like it was stuck to the flywheel with glue or rust. I don't think there is much clearance between the flyweel and housing on an 8n (from memory so the problem may be finding a hard enough steel you can bend to the right shape without breaking and still have enough strength to pry with. Mike.

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hvw

05-31-2004 10:16:10




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 Re: clutch assembly in reply to Roger Zeller, 05-31-2004 08:05:21  
The clutch on my 3000 ford stuck in gear once from sitting and I broke it free the safe way. Tied the clutch pedal down then rocked it back and forth by pushing the rear tires and it snapped free. I know it won't always work but it's guaranteed not to kill you and is worth a shot.



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Matt(MN)

05-31-2004 08:53:16




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 Re: clutch assembly in reply to Roger Zeller, 05-31-2004 08:05:21  
Get a FO-4 shop manual to help with splitting the tractor and replacing the clutch, its an invaluable tool when it comes to N series Ford tractors. It isn't too bad of a job. It sounds like some oil leaked onto the clutch and the disc is stuck to the flywheel. I just replaced my first clutch this spring and it was saturated with tranny fluid so I had to replace the oil seal on the input shaft to the transmission. If its coated in engine oil, I beleive it will be a bit more work because the rear seal on the engine is probably shot. Thats out of my league as I'm a relative newbie at tractor work. If I'm wrong, someone will correct me. But if the cluch was replaced before it sat, the only part new you should need (aside from a new seal) is a clutch disc, as it will probably be saturated in oil, it is a rather inexpensive item. But check the condition of the springs and bearings since you got it split, may as well replace them now. I hoped this helped you some.

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Charles (in GA)

05-31-2004 14:50:40




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 Re: Re: clutch assembly in reply to Matt(MN), 05-31-2004 08:53:16  
"It sounds like some oil leaked onto the clutch and the disc is stuck to the flywheel. I just replaced my first clutch this spring and it was saturated with tranny fluid so I had to replace the oil seal on the input shaft to the transmission. If its coated in engine oil, I beleive it will be a bit more work because the rear seal on the engine is probably shot."

The rear oil seal on the engine is forward of the flywheel and the engine oil cannot readily find its way out of the engine onto the clutch, it will leak out the bottom of the bell housing before it gets to the clutch. However, you are correct, the front seal on the trans input shaft can easily leak and the oil leech forward on the splined input and onto the clutch.

A frozen pilot bushing/input shaft will yield similar condition but should break free easily. The clutch disc could be rusted on the input shaft so that it will not slide on the splines when you push in on the clutch pedal, however, the most likely thing is for the disc to simply stick itself to the flywheel.

Charles

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Steve IA

05-31-2004 08:44:16




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 Re: clutch assembly in reply to Roger Zeller, 05-31-2004 08:05:21  
Look at the discussion from a week or so ago. Steve 8N I69302



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Clutch plate....John,PA

05-31-2004 08:39:46




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 Re: clutch assembly in reply to Roger Zeller, 05-31-2004 08:05:21  
Clutch plates have a habit of "welding" themselves to the fly wheel, after a period of time from sitting. Guess it is caused mostly from moisture. Generally we keep the clutch pedal blocked down with a piece of 2 x 4 or something, during long periods of storage.

There are several "tricks" that some of the fellas have found successful. But, if they don't work, you will have to split the tractor and fix the problem.

Hopefully others will post their "tricks".

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gahorn

05-31-2004 08:36:02




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 Re: clutch assembly in reply to Roger Zeller, 05-31-2004 08:05:21  
My uncle once un-stuck his clutch by putting the tractor in reverse, wiring the clutch pedal down, starting the tractor and allowing it to run backwards against a tree. The side benefit was all the apples that it shook loose. My aunt was not happy about it as she'd planned not to can apples for another week. (I don't remember if he had an implement on the tractor or just a drawbar, as I was just a kid at the time. But carefully consider whether or not it'd damage anything. Doing this against a load in forward gears might cause the tractor to flip backwards and kill a driver, so be careful.)

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