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Sudden Stuck clutch

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Nzer

10-30-2001 15:16:15




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Okay I'll give you the story and you give me some ideas:
1941 9n Saturday I was using the tractor for some mild duty loader work. It was about 35 degrees (F) out and I puttered around for a couple hours. The tractor was running like a dream and I didn't put any real heavy strain on it, mostly just some slow tedius creeping (raising a timber frame with the loader). I shut it down that night and threw a tarp over her (didn't block the clutch, never have). Sunday I came out at about 9:30, started her up , pushed down the clutch and went to put it in gear - grinding. I figured it might need a little more travel so just to test this I pulled off the running board and pushed the pedal way the heck down - still grinding. I was starting to get worried at this point so I walked over and told dad about it. He came over to check it out, hopped on, started it up, pumped the clutch a couple times and shifted it into gear no problems. I shrugged my shoulders and he sorta laughed. He drove it over to the worksite and shut it off while we set up. About five minutes later I hopped on only to find it stuck again. Its been that way for the past two days now and no one can get it unstuck.

I tried putting talcom powder in the starter hole (lots), and Getting it going then slamming on the brakes, I've been blocking the pedal now too. Didn't even slip. Tonight I tried jacking up one rear wheel and putting it in 3rd high (highest) in the middle of the driveway, revving her up real high and then dropping the jack quickly. Worked well for making a rooster tail of gravel and I could smell a bit of burnt clutch but it never broke loose after about 4 tries.

What next? I read about prying the pads off of the flywheel with a prybar through the starter hole but I couldn't really see what I was supposed to pry. I have confirmed that the pedal still moves the linkage inside the clutch. Any other Ideas? I'm thinking of hooking up the plow tomorrow.

I'm having a bit of contraversy with my dad about splitting the tractor. We're both trying to avoid that right now, but we realize if all else fails that's what'll have to happen. If it comes to that he wants to take it to a shop and get them to do it. I expect the shop would charge an arm and a leg and I'm pretty sure we could do it ourselves (3 of us). The only problems are that I don't have much free time except after school and it'll be cold in that unheated garage at night. Any Ideas on how much a shop repair would cost? How much do the parts cost (probably including the front seal for the tranny)?

thanks,
Alan

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John Ne.

10-30-2001 17:10:36




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 Re: Sudden Stuck clutch in reply to Nzer, 10-30-2001 15:16:15  
About the only thing that comes to mind with a clutch that is stuck in this manner is perhaps the splines in the clutch disc are badly worn and won't slide on the transmission input shaft. Rolling the engine backwards, while disengaging the pedal may let it work once or twice more. But the only fix is to break the tractor and get into where the problem lies. Have broken several Fords, as such things go, it was fairly easy, I blocked the front half with plenty of good lumber, and rolled the back half away with a good floor jack, it was more manageable than that front end. Good luck, John in Ne.

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John in Michigan

10-30-2001 16:39:05




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 Re: Sudden Stuck clutch in reply to Nzer, 10-30-2001 15:16:15  
Hi Nzer,
I just split mine by myself (first time I even worked near a clutch)with 2 hydraulic floor jacks. It took about one hour to drain gas tank, remove the hood, disconnect battery, remove battery box, air filter,disconnect tie rods, linkages and split her. I removed the starter although you don't have to unless you're going to remove the flywheel. (Mark your wiring.). I took the clutch (rusted stuck) pressure plate and flywheel to a local shop where it cost $188 to have new clutch plate, appropriate bearings replaced, throw-out bearing redone,new tooth gear on the flywheel and had it resurfaced. All pretty and clean. I need help sliding the tractor back together and am waiting for a friend to come by in an hour. It's definitely in your capability. You do need a good clutch shop around though. Tip. Cut the heads off 2 long bolts and screw them into the engine side to act as guides to get the 2 halves back together. Tip 2, You need a clutch guide to keep the clutch centered while bolting the pressure plate (available all auto parts shops cheap).

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Nzer

10-30-2001 19:29:44




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 Re: Re: Sudden Stuck clutch in reply to John in Michigan, 10-30-2001 16:39:05  
Sounds like we might be splittin her. Any special tools needed?


thanks,
Alan



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John in Michigan

10-31-2001 17:15:10




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 Re: Re: Re: Sudden Stuck clutch in reply to Nzer, 10-30-2001 19:29:44  
Hi Alan,
No special tools needed except clutch alignment tool.I bought a good one for 12 bucks. Cheaper ones out there especially if you only use it once. Other than that an 11/16 wrench takes off a lot. Find a clutch shop to change your bearings and resurface the flywheel if needed. Check teeth on flywheel for wear from the starter since you've got it apart. When you slide her back together rocking her slightly side to side helps the splines go together along with turning the fan belt or at the other end of the tractor the pto shaft. Don't force anything, use the bolts to finish pulling it together but they should turn easily. Email me if I can help, theres a lot I don't know but I just did it and she's running great. badboyod@aol.com

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Ed Gooding (VA)

10-31-2001 05:02:43




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 Re: Re: Re: Sudden Stuck clutch in reply to Nzer, 10-30-2001 19:29:44  
Hey Alan. Forum member Marvin Baumann uses a trailer jack when splitting his N's to help in moving the rear half. Here's a couple of pictures:

third party image

third party image

Hope this helps..... ..... Ed
'52 8N475798

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michaelc80@eurosport.com

10-30-2001 16:33:01




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 Re: Sudden Stuck clutch in reply to Nzer, 10-30-2001 15:16:15  
Splitting the tractor is very easy to do. Just make sure that you have the 2 ends well supported with jacks, stands, etc. Once you get inside the clutch assembly is pretty simple too. Exactly what the problem is I couldn't speculate, but getting to it won't take more that an hour or so.

Good Luck!



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8ndonmd

10-30-2001 16:31:08




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 Re: Sudden Stuck clutch in reply to Nzer, 10-30-2001 15:16:15  
Nzer I justed checked with my FNH dealer. to split the tractor and replace clutch it is $350.00 to $450.00 plus parts. I'm going to do mine myself I was just curious what a shop woild cost. As to your problem with your clutch can't help you however sounds like it will have to come apart.
Don



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