SEEDMASTER 2023
14
MAIN BLOCK GAUGES
WING UP: The WING UP gauge reads the amount of pressure applied and required for lifting and
should read 0 psi until folding up. A positive reading during field operation is an indication of back
pressure on the system.
RAVEN: The RAVEN gauge reads the amount of pressure being supplied to the hydraulic metering
motors.
TANK: The TANK gauge reads the amount of pressure being returned to tank.
WING DOWN: The WING DOWN gauge reads the amount psi being applied to the wings while they are
down and in field operation.
SYS: The SYS gauge reads the amount of system pressure being applied to the system. System
Pressure is the main pressure supply for the WING UP/DN, LIFT KIT, RAVEN (METERING) circuits.
2600-3000 psi indicates tractor working pressure to block. Pressure fluctuation can indicate back
pressure or lack of flow to the circuit. Adjust tractor flow as necessary to hold within range.
MAIN BLOCK VALVES, SOLENOIDS, AND PWMS
LEFT WING LOCK: This on/off solenoid turns the oil flow on/off to the left wing cylinders.
RIGHT WING LOCK: This on/off solenoid turns the oil flow on/off to the right wing cylinders.
OUTER WING LOCK: This on/off solenoid turns the oil flow on/off to the outer wing cylinders.
FAST WING: This on/off solenoid turns the oil flow on/off to the inner wing cylinders.
HIGH PRESSURE WING RELIEF (THERMAL): High tank pressure cut off cartridge is preset set at
3500 psi
TANK LINE RELIEF: The tank line relief cartridge is preset at 450 psi. If the cartridge exceeds 450 psi it
will relieve to the atmosphere.
WING-DOWN PRESSURE: 180 psi (NOTE: REQUIRED PRESSURE SETTING MAY VARY FROM
FACTORY PRESET TO SPECIFIC TRACTOR AND DRILL COMBINATIONS).
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