Hi. Finally got filters and fluids replaced on it after sitting for 15 years and it started right up! When parked, the 3 point worked, but the PTO did not. Now, the PTO seems to be working fine (although haven't had an implement on it yet), but the 3 point will only occasionally lift. There is not power steering or a front end loader. I've played with the adjustment knob under the seat, doesn't make a difference. Any ideas what is happening or what next step in trouble shooting process should be? Thought about removing and cleaning transmission/hydraulic filter again, but not sure if it that could be problem since PTO is now working..... Thanks in advance!