A Three-Spool Control Valve is available from your dealer for use with tractors having either an open or closed center Hydraulic System. If a 3 spool valve bank is required assemble on bracket and install on tractor fender at desired location. A Valve Mounting Kit is available as extra equipment which includes fender bracket, fittings, hoses, and shield required to mount valve. Refer to Parts List Section 6-36. Install Restrictors in Gland Ports in Wing Cylinders. To install the hydraulics from the Cutter to the Control Valve, connect the Center Axle Lift Cylinder Hose to the Right Port on the Hydraulic Valve. Connect the Right Wing Folding Cylinder Hose to the Center Port of the Hydraulic Valve. Connect the Left Wing Folding Cylinder Hose to the Left Port of the Hydraulic Valve. Route each hose through front and rear hose brackets. Remove plastic plug from Breather of Cylinder before operation.