Kinetic Nut Cracker How Do I Loosen The Kurt Kinetic Leg Acorn Nuts?

How do I loosen the Kurt Kinetic leg acorn nuts? - kinetic nut cracker

I bought a Kurt Kinetic Road Machine and try to leg, where I need to adjust to remove the mother Acorn / screw. I have a clamp bolt and a nut wrench, but when I try to screw everything will not solve. Please help.