Topic: Re: TO-35 Dual Stage Clutch Adjustment
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The only adjustments for the Wheel drive Clutch is the Pedal and the Levers on the Clutch assy. You can set the pedal externally, but to set the Levers you need to split the tractor. From how you describe it the Plate is sticking to either the Flywheel or the Clutch and that is why it grinds. But usually when you get that problem there is some judder as you take up the drive. There is also another problem that happens very occasionally and that is the Plate is sticking to either the Flywheel or the Clutch due to a vacuum holding the polished linings to the Clutch. The way to overcome that is to drill all the rivets with a small hole. So check the pedal adjustment which should be 3/8" between the underside of the footrest and the top of the pedal lever, when you press the pedal lightly to remove the free-play. The pedal adjustment should be done when the tractor is warm when everything expands. If that doesn't cure it, then take out the Engine and Check the Clutch for wear and re-set the Levers, check the Plate for wear, how close to the top of the linings are the top of the rivets, is there much wear left in the Plate.
If it is sometime since the Clutch had any attention then the Clutch itself can be worn where the Levers pivot and while the pedal is giving you the correct feel, the Clutch is not opening enough. There is very little movement between the 2 Clutches on a Dual Clutch, so everything needs to be unworn. If you do have to change the Clutch, you will need to set-up the Levers and the PTO Clearance on the new Clutch, DON'T fit it straight from the box, this applies to any Clutch on any tractor, you cannot be sure that the setting is correct for your Tractor. To Adjust the Clutch Levers on your present Clutch you will need to use a NEW Clutch Plate even if the old Plate appears to be comparatively unworn. If any Plate has been used there will be some wear, so you need to use a NEW plate to re-set the Levers even if you use the old Plate when you rebuild the tractor. As I said earlier there is very little movement on a Dual Clutch, so it needs to be set correctly or you will have problems and you can't set a Dual Clutch without using a new Plate. Don't be tempted to try it with the old Plate or you could regret the decision.
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