Toro 5020 Page 4 Hydraulic System Rev. A, Extend and Retract lift Cylinder, Hydraulic Systems

Sand Pro 2020/3020/5020

HYDROSTAT

CHARGE

CHECK

RELIEF

TRACTION	CHARGE
PUMP	PUMP
P1	P2

CHARGE

CHECK

RELIEF

IMPLEMENT RELIEF

R1

R2

CHARGE

RELIEF

ACCELERATION VALVES

		HOT OIL
		SHUTTLE
A		VALVE
		A
LEFT	FRONT
M2	M3	M1
		RIGHT
	SP 3020 ONLY
		B
B		RH WHEEL MOTOR
FORWARD		WITH BLEED OFF
		FOR OIL COOLING

Page 4 – 13

Hydraulic System (Rev. A)

FILTER

TANK

EXTEND LIFT CYLINDER

NEUTRAL

POSITION

OIL COOLER

Sand Pro 2020/3020
Extend and Retract lift Cylinder	LIFT VALVE
High Pressure
Low Pressure (Charge)
Return or Suction
Flow	LIFT CYLINDER

Hydraulic

Systems

IN FORWARD

FROM CHARGE RELIEF (R2)

RETRACT LIFT CYLINDER

NEUTRAL POSITION

TO OIL COOLER

LIFT VALVE

LIFT CYLINDER