Clutch problems?

   / Clutch problems? #11  
Clutch is mechanical. I finally got freeplay adjusted to spec. and also adjusted pedal travel to spec. and problem has improved but still ocassionally will not disengage. If i slow motor down it solves problem.
 
   / Clutch problems? #12  
The clutch will also have problems disengaging if your pedal travel is too far.
 
   / Clutch problems? #13  
Are all your engine to clutch housing bolts tight ? Just a thought.

Ben
 
   / Clutch problems? #14  
Clutches can also stick to the flywheel. But this usually only occurs if they haven't been used in a long time.
 
   / Clutch problems?
  • Thread Starter
#15  
I tried it all. I adjusted the linkage. I checked everything I could from outside the tractor. When all else failed I tore into the tractor to see what I could see.

The attached file is what I could see. It looks like the release bearing went out some time ago. (Possibly before I got the tractor.) The stuck bearing then rubbed on the "fingers" of the pressure plate until nothing was left.

I'm still in the process of tearing it apart, but I thought I'd share with you all before I went further.

I am going to check the clutch disk to see how worn it is, and if the disk doesn't look too bad, I may just replace the bearing and pressure plate.

Any thoughts?
 

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   / Clutch problems? #16  
Seems like there would have been some racket when that throwout bearing went out!
It wouldn’t take too long to cause that damage after the bearing froze.

JUST A WORD OF CAUTION REGARDING REPLACEMENT OF YOUR PRESSURE PLATE.

When my pressure plate was replaced at the dealer’s shop I watched the process and learned something. Many of these that are used on tractors require adjustment to the fingers prior to installation, and this adjustment is critical. I’ve replace automotive pressure plates and they were simply take off the old and put on the new, but that won’t work on some of those used in tractors. If you don’t have a shop manual you need to determine if adjustment or setting of the fingers is required and what that setting is. If it’s not done correctly it won’t work properly and won’t hold up properly. Good luck.
 
   / Clutch problems? #17  
Glen9643 is right about the finger adjustment, and it is usually difficult to measure. I had to make a custom "gauge" to measure mine as the spec. was from the flywheel surface to the finger surface with everything installed and there was no accessing the flywheel surface with everything in place. Just take your time and you'll come up with a reasonable way to do it on your tractor. Don't forget, checking only the friction surface wear on the disc is asking for trouble - springs lose tension and discs warp and splines wear. I would put one in while there unless expense is too limiting, also a pilot bearing and checking the flywheel surface for trueness. I was able to get both my release & pilot bearings from a local supplier by the numbers on the old bearings - saved a ton over OEM parts. Also shopped on the Internet and got reman. disc & plate for less than 1/2 of OEM parts. Good luck with it !!
 
   / Clutch problems? #18  
as the spec. was from the flywheel surface to the finger surface with everything installed and there was no accessing the flywheel surface with everything in place.

When they adjusted mine prior to installation I believe they placed it on a flat plate (steel) to make measurements before mounting to the flywheel. Even then it was very tedious to get it set properly.
 
   / Clutch problems? #19  
Did they bolt or clamp the pressure plate down? The spec. on my Mahindra was for the pressure plate installed - the fingers move lower towards the flywheel when you torque the pressure plate down. The disc has to be in there too, of course, and some disc hubs protrude into the cavity in the center of the flywheel - would not be able to put it on a flat plate unless a hole were there and this is the area you would use a sliding t-scale or similar to measure with. Maybe they had this plate made-up custom for them?
 
   / Clutch problems? #20  
I really don’t recall the detail. I’m pretty sure they made the adjustments off the tractor and I don’t think the steel plate was anything special other than a flat surface. There was quite a bit of head-scratching until they figured out how they could make their measurements. They used an electronic caliper of sorts when they got it figured out.
 

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