Re: over running clutch, use with live or non-live

Posted by jdemaris on April 26, 2004 at 05:48:09 from (209.23.31.99):

In Reply to: over running clutch, use with live or non-live p-t posted by Dick Calland on April 26, 2004 at 05:24:18:

If you do NOT have live or independent PTO, you need the overrunning adapter. A tractor that has its PTO powered by the engine clutch rather than its own will cause some problems, since the inertial of the cutter backfeeds power to the wheels if the tractor transmission is in gear. For instance, my Case VAC has no live PTO. If the PTO gears are in, the PTO stops being powered by the engine only when you push in the engine clutch pedal. If you are travelling forward with the PTO running and the cutter going, lets say in first gear, and you stop for a moment by pushing in the clutch pedal - but the transmission is still in first gear - the tractor keeps on going until the blade on the cutter stops rotating. If you put the transmission in neutral,this won't happen.
If the tractor has live or independant power for the PTO, this won't happen. It will either have a two-stage clutch on the engine or a separate clutch pack for the PTO. Either way, the PTO will be independent of the wheel drive.

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