Toro 5020, 2020, 3020 service manual Rev. a, Hydraulic System

Sand Pro 2020/3020/5020

Page 4 – 7

HYDROSTAT

CHARGE

CHECK

VALVE

TRACTION	CHARGE
PUMP	PUMP
P1	P2

CHARGE

CHECK

VALVE

FILTER

IMPLEMENT

RELIEF

R1

R2	ACCELERATION
	VALVES
	CHARGE
	RELIEF

			HOT OIL
			SHUTTLE
A			VALVE
			B
	LEFT
	M2	RIGHT	M1
			A
	FRONT
B	M3		RH WHEEL MOTOR
			WITH BLEED OFF

FORWARD	FRONT AND RH WHEEL	FOR OIL COOLING
	MOTORS HAVE REVERSE
		IN FORWARD
	TIMED MANIFOLDS

Hydraulic System

TANK

OIL COOLER

	DISPLACEMENT, FLOW RATE, AND PRESSURE CHART
		DISPLACEMENT		PRESSURE		*FLOW RATE
	COMPONENT	in 3/rev	cm 3 /rev	lbs/in 2	BARS	GPM	LPM
*	P1	0.915	15	–	–	12.48	47.2
*	P2	0.33	5.41	–	–	4.5	17
	M1	8.6	140.93	–	–	–	–
	M2	8.6	140.93	–	–	–	–
	M3	17.1	280.22	–	–	–	–
	R1	–	–	700	48.3	–	–
	R2	–	–	90	6.2	–	–
*	FLOW RATE CALCULATED AT 3150 RPM

LIFT VALVE

(Rev. A)

Sand Pro 5020

Hydraulic Schematic

LIFT CYLINDER

Hydraulic

Systems