clutch doesn't stop pto at all on my mf 135

Why doesn't my clutch disengage my pto when i push the the pedal all the way down. And also my 135 spits and sputters after its been running for awhile and then it will clear up after a couple minutes. Please need some information thank you

You probably have a two stage clutch. My MF65 has two holes in the clutch linkage depending on which hole you have it adjusted to you either have a live pto or you can disengage the pto by depressing your clutch all the way down.

Do you hear gears grinding when you try to engage the PTO or does it engage and disengage with no sound? If it grinds, you have "Live PTO" and something is wrong with the clutch. If the PTO engages with no problem, you have "Independent PTO". The foot clutch has NO effect on the PTO with that set up.

It is very common to have to play with the clutch slightly to engage the PTO. I only engage the PTO at slow idle. That said, pushing the clutch pedal all the way down should stop the PTO unless the implement on the back(ie/mower)hasn't stopped turning.

You need to adjust the the PTO clutch from the access plate underneath the bell housing. The gap should be the thickness of a hacksaw blade. Actually gap less important than all clearances dead equal. You need high quality open ended spanners to do this. A little easing fluid 24 before you start may help slacken the lock nuts and bolts. There are other posts on here about this.

I cant engage the pto while the tractor is running have to turn the tractor off and then engage it. So what would be the problem then and how to adjust the clutch pedal

Hi Zach,
Failure to engage the PTO is normally down to bad adjustment. First of all try and understand how the clutch operates. Remove the inspection cover from under the clutch housing. Turn the engine until you can see one of three adjusting screws. There should be a gap above the screw head of around 080". Have an assistant press the clutch pedal in the first stage only. At the ond of the first stage the screw head should be in contact with the PTO pressure plate. Have the pedal pressed to the floor. You should see the pressure plate move rearwards. Correct free pedal adjustment is approximately 3/8" clearance where the external clutch arm strikes the case or makes contact with the underside of the foot bar. The unladen PTO should stop turning when the pedal has approximately one inch of travel remaining. These are not exact figures as every tractor is different due to wear etc. When you understand how the unit works you may be able to see if there is a difference in the operation of one of the release levers for example.
My compatriot Fergie Bach has suggested the use of one hacksaw blade as a gauge. It is more likely that you will need two with the teeth ground off. Check the clearances that you have. I suspect that they will be in excess of the 80 to 90 thou. Using good fitting openended 1/2" AF spanners slacken the locknut just enough to turn the screw to give the correct gap. Ensure that all three are the same. When finished observe the operation through the inspection aperture.
Pedal adjustment can now be carried out as above.
If you do not have a positive 'stop' of the PTO it may be necessary to reduce the clearances slightly. You MUST have dis-engagement when the pedal is approximately one inch from the end of travel for safety reasons.
Please let us know how you get on.
DavidP, South Wales