My First Tractor Split

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My First Tractor Split

Postby twotone » Sat Mar 30, 2013 1:29 pm

No, my Cub didn't leave me, I split it for a new clutch. Interesting finds inside. 2 pressure plate bolts snapped off, 2 finger bolts snapped off and all the remnants laying in the bell housing. It does have a new clutch disc in it, so someone didn't do a very good job of replacing it. I took these pics with my cell phone, so not too good.
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Re: My First Tractor Split

Postby coppersmythe » Sat Mar 30, 2013 3:57 pm

thats not much fun to redo if done recently. was a impact used to install the clutch ? one broken , maybe , but thats a lot busted off . coppersmythe....................................
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Re: My First Tractor Split

Postby twotone » Sat Mar 30, 2013 4:43 pm

That's the way I got it. I knew it had clutch problems. I just I hope I can get the broken bolts out of the flywheel. I wouldn't think they're bottomed out. My bad back could only handle 2 hours of work today or I would have done more disassembly. Rear main seal and oil pump gasket while I'm in there. Rear main leaks for sure.

I'll probably get back to it Monday
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Re: My First Tractor Split

Postby Scrivet » Sat Mar 30, 2013 6:10 pm

twotone wrote:..... I knew it had clutch problems..........
That has to be the understatement of the day after looking at the pictures :shock: . Good luck with it when you get "back" at it. Hopefully it will only require a little attention to get it where you can just replace the broken bolts and missing nuts. I think I would go ahead and replace them all as insurance.
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Re: My First Tractor Split

Postby twotone » Sat Mar 30, 2013 6:31 pm

I bought a new clutch, PP and TO bearing from TM 2 months a go, and a pilot bushing, so I should be in good shape.


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Re: My First Tractor Split

Postby John *.?-!.* cub owner » Sat Mar 30, 2013 9:57 pm

If you have anyone close that sells used cub parts, a flywheel is probably pretty cheap since there is very little call for them.
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Re: My First Tractor Split

Postby Dale Finch » Sat Mar 30, 2013 11:39 pm

I have a good flywheel from a parted out '55, if you are interested.
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Re: My First Tractor Split

Postby twotone » Sun Mar 31, 2013 4:34 am

Dale, I may be interested if I can't get the broken bolts out.


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Re: My First Tractor Split

Postby Gary Dotson » Sun Mar 31, 2013 5:40 am

Unless someone really buggered them up, the broken bolts will likely come out pretty easy. They were probably overtightened, causing the breakage. Replace them all, the others may not be far behind. After installing the new clutch to the flywheel, carefully adjust the finger height and make sure the lock nuts are secure, that obviously was overlooked the last time.
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Re: My First Tractor Split

Postby Denny Clayton » Sun Mar 31, 2013 7:53 am

Gary Dotson wrote:Unless someone really buggered them up, the broken bolts will likely come out pretty easy. They were probably overtightened, causing the breakage. Replace them all, the others may not be far behind. After installing the new clutch to the flywheel, carefully adjust the finger height and make sure the lock nuts are secure, that obviously was overlooked the last time.

I'm sure you know this, but just a reminder to do all the adjusting while it's still split. :?
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Re: My First Tractor Split

Postby twotone » Sun Mar 31, 2013 8:07 am

Thanks for the tips Denny and Gary. Would it be wrong to get grade 8 bolts for the pressure plate? I don't use air tools for assembly, but I think the bolts were maybe grade 5 at best. Also, my TC-37A parts manual doesn't show the PP bolts. Should I use lock washers, thread lock, or both on the pp bolts?

I think whoever put this clutch in never did a Cub before. The fingers were not adjusted at all. If it wasn't for this forum and a service manual I probably would have done the same--just like a car. Bolt it on and go.


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Re: My First Tractor Split

Postby Eugene » Sun Mar 31, 2013 9:45 am

twotone wrote:Also, my TC-37A parts manual doesn't show the PP bolts. Should I use lock washers, thread lock, or both on the pp bolts?
Just lock washers, new grade 5 or 8 bolts.

I wouldn't replace the oil pump gasket if the gasket is not leaking.

Since you have to remove the flywheel, you can adjust the pressure plate finger height to less than .001" variance. Several methods have been previously discussed. My method is to install the pressure plate with disk on the flywheel. Drill press with upside down drill bit installed. Set one finger to desired height. Feeler gauge between end of drill bit and adjusted finger. Lock down quill. Set remaining fingers.

Put old pressure plate and disk on shelf. Appears to be in good shape and easily repaired.
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Re: My First Tractor Split

Postby twotone » Sun Mar 31, 2013 10:25 am

Thanks Eugene. Your method of adjusting fingers sounds like a good one, and yes I will save the old parts.


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Re: My First Tractor Split

Postby twotone » Mon Apr 01, 2013 12:49 pm

I got some disassembly done today, I got the flywheel off and the broken bolts wont budge. Lucky for me Dale Finch came through with a good one she is sending to me "on my word". Thanks Dale!! I got a new rear main seal in, new pilot bushing, and started working on the governor. The linkage the top of the spring hooks to is frozen. Inside the gov looks great. Again, 2 hours is all my back could handle so I knocked off for the day.

I was dreading getting the pilot bushing out, but I stuck my finger in it and pulled it right out! The new one had to be driven in though.

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Re: My First Tractor Split

Postby kthomas » Mon Apr 01, 2013 5:06 pm

Hey Tom,

I had the same dread/concern when I replace my clutch and was going to replace the pilot bushing. I had a plan on how to pull it out but like you, mine came out with a finger pulling it out. I was quite surprised.

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