Quote:
Originally Posted by MBY852
Thanks ol'George, I connected directly from the battery to the PTO and there was a weak click but I think it should of been stronger. But I get nothing when hooked up to the switch and the switch checks out good. I suspect it must be the PTO. I have a new clutch coming Mon or Tue. I'll just return it if that's not the problem. What makes me think it's probably the PTO is a couple of months ago it wouldn't engaged when I pulled the switch so while the switch was pulled I gave it a tap and it engaged and worked fine until a few days ago. No tappin worked at all this time so will see. I have everything taken apart ready for the new part. The tractor has always been kept inside so there was no rusted bolts to deal with. I'll let you know the outcome when I get it back together. 
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some of those clutches have a specified air gap between the electro magnet and plate.

I don't remember reading that you checked it.
but if the gap is too wide, the magnet will not pull the plate in and drive the pulley.
it works exactly like an Air condition compressor in some vehicles.