THEORY OF OPERATION - CONTINUED
STEERING SYSTEM - CONTINUED
Primary steering system is made up of two basic circuits: pilot circuit and high pressure circuit. When a machine is
equipped with secondary steering attachment, steering system includes one additional circuit.
Metering pump is attached to bottom of steering column, located under floor of operator's cab. Left and right turn
neutralizer valves are located on front center section of upper frame, under operator's compartment, and near upper
Steering control valve is located on left side of machine behind operator's cab. Hydraulic oil tank is located on
right side of machine.
Steering pump is located under operator's cab on right side of machine. A pressure and flow compensator valve is
attached to steering pump.