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TO-35 Dual Clutch

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Steve Hansen

05-28-2001 07:31:01




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Good morning..... ..=) I have recently acquired a 1957 TO-35 and I am unable to engage the engine speed PTO with the engine running. I have adjusted the pedal free play and the clearance between the secondary pressure plate and the releasing cap screws (per the I & T manual) and still nothing but "grindage." The secondary (driven disc - per I&T)disc looks brand new - is it possible that it was installed backwards?..... or is there somehow that the clutch is "stuck." I have a real problem trying to visualize how the system works. I kind of think that my next move is splitting the tractor and starting from square one. This is kind of my last shot at an easier fix.
Thanks
Steve

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Jack in NB

05-29-2001 03:59:44




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 Re: TO-35 Dual Clutch in reply to Steve Hansen, 05-28-2001 07:31:01  
Hi Steve -

Sounds like you've covered both adjustment bases, but another possibility: clearance on the 3 screws inside the bell housing. Books say .080 - .090 clearance, and we've found this still grinds a lot of the time.

We set ours to .055 - .065. Raises the height of the pedal contact for the PTO clutch (extra pedal pressure about half way down) and ensures complete release by the time the pedal hits the footrest.

If this doesn't do it, it may be stuck, reversed disk is a possibility, or rarely, something may be adrift inside.

Good luck! And let us know how you make out.

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Steve Hansen

05-29-2001 05:55:17




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 Re: Re: TO-35 Dual Clutch in reply to Jack in NB, 05-29-2001 03:59:44  
Good morning Jack..... ...=)
Thanks for the ideas. When I first looked inside the bellhousing the clearance on the three bolts was something like .050 - .065 (I didn't check them - I could see that there was clearance and was sure that it wasn't .090) After setting them to .090 it made absolutely no difference. That coupled with the fact that the lining on the visible disc looks virtually new led me to the conclusion that the disc was "stuck" or in "backward." I'm going to try to "unstick" it tomorrow, if that doesn't work I'll split the tractor and see what inside. I'll keep you posted and Thanks again ..... ..... Steve

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peterc

05-28-2001 13:07:41




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 Re: TO-35 Dual Clutch in reply to Steve Hansen, 05-28-2001 07:31:01  
the clutch can stick put the pto in gear start it up and put the pto clutch in and see if the pto will stop turning if not it is stuck to the driving plate. You can try putting an impliment on and engage and disengage the pto clutch a few times to try and shock it loose.



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Steve Hansen

05-29-2001 06:02:40




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 Re: Re: TO-35 Dual Clutch in reply to peterc, 05-28-2001 13:07:41  
Good morning Peter..... ...=) Thanks for your idea, I had read that suggestion somewhere else but couldn't figure out how to make it work, but after you said it, I think I figured out a way. I think I'll put the bush hog on and head into some really heavy cutting and try to jar things loose by jarring the clutch just as the heaviest load hits the tractor. I don't think it can hurt anything. I'll let yo know if it works.
Thanks again,
Steve

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