Opener Control Hydraulic Diagram (Tractor with Open or Closed-Center Hydraulic System)

A90469-UN-18MAY16

A - SCV Coupler (Lowering Openers)

B - SCV Coupler (Raising Openers)

C - Opener Cylinders (2 used on 3 m version, 4 used on 4 and 6 m versions)

D - Land Wheel Cylinder

E - Lock-Up Valve

F - Pressure Control Valve

G - Down Pressure Gauge

H - Check Valve

I - Open/Closed Center Change Valve