won't disengage

Today I was using my tiller and the PTO won’t disengage. When I move the lever to the disengage position the cable just goes slack. I can go under the tractor and with just a little finger pressure move the lever to the disengage position, but then when I re-engage I have to crawl under and...

I think I may have inadvertently damaged the PTO clutch on my Ford 1720 SSS. It was working fine all winter. The left floor board (clutch side) was loose & rusty so I removed it to repair. I built a temporary floor board so I could still use the tractor. I was using it one day and not thinking...