3 - 1
2 Wheel Steer Machines
Steer System Schematics
Component Key:
P1 Pump, Main Section
P2 Pump, Secondary Section
P2A Pressure Test Point
S Suction Line
T Tank
6 In-tank Filter
7 Priority Valve
10 Front Power Track Rod Ram
42 Steer Unit
43 Shock Valve
44 Steer Unit Relief Valve
Note: Hydraulic component port identification letters are
shown in parenthesis, e.g. (LS). The same letters will be
stamped on the actual component.
Section H Steering
9803/3280
Section H
3 - 1
Issue 1
Basic System Operation