Running on a small squares baler with kicker,,get off to un hook wagons turn PTO off,get back in and turn knob to engage PTO,,30 % it drops back out 30 % it stays in and goes,,30% have to re engage 2 x to get to go,,the other 10 % is variable,,,whats the best direction to try and solve,,,4wd,cab,loader,4cyl.JD6330,,lower houred.