new holland tc48

Need help pto lever in movable after engaged for a few minutes. Let tractor sit over night and it is moveable again

Hi guys, I'm new to posting to the forum, but have appreciated reading topics in the past. Thanks. I'm a small hay farmer with additional general utility tractor grading/loading. I have 2004 New Holland TC48da with the factory draft control, FWD and 18L loader with top/tilt/ripper controls...