Recently bought an old JD model 70 skid steer to use around the house and barn - previous owners did zero maintenance so I gave it a complete tune up, oil/filter change, new air cleaner/fuel filter etc. The manual I bought said to change the hydraulic filters (2) by removing old and installing new which I did then topped off the hydraulic fluid and now I have no Hydraulics!! Can't move bucket up or down or tilt and no forward or reverse. I let the tractor run for quite a while but still nothing. When I hold the boom/bucket foot petals in the back (up) position I get forward/reverse.
Any idea of what I did wrong??? Thanks in advance for any help/info you can provide.