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Toro 5020, 2020, 3020 service manual Rev. A, Hydraulic Schematic, Hydraulic Systems, Page 4

Models: 3020 2020 5020

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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

Page 56 Page 58
Page 57
Image 57
Toro 5020, 2020, 3020 service manual Rev. A, Hydraulic Schematic, Hydraulic Systems, Page 4
Page 56 Page 58