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Rev. B
Sand Pro 2020/3020/5020Hydraulic System Page 4 – 6
Hydraulic Schematics
LIFT CYLINDER
LIFT VALVE
OIL COOLER
FILTER
M2
RIGHT
A
B
A
RH WHEEL MOTOR
WITH BLEED OFF
FOR OIL COOLING
LEFT
M1
IN FORWARD
P1
B
P2
R2
R1
HYDROSTAT
0.915
0.33
7.8
15
5.41
127.84
BARS
7.8 127.84
DISPLACEMENT PRESSURE
COMPONENT
P1
DISPLACEMENT, FLOW RATE, AND PRESSURE CHART
P2
M1
M2
M3
5.0 81.97
in /rev cm /rev
lbs/in
2
3
3
*FLOW RATE
GPM LPM
12.48
4.5
47.2
17
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
**
*
FLOW RATE CALCULATED AT 3150 RPM
R1
R2
––
––
700
90
48.3
6.2
–
–
–
–
Hydraulic Schematic
Sand Pro 2020/3020
M3
FRONT
FORWARD
SP 3020 ONLY
CHARGE
CHECK
VALVE
CHARGE
CHECK
VALVE
IMPLEMENT
RELIEF
CHARGE
RELIEF
ACCELERATION
VALVES
TANK
HOT OIL
SHUTTLE
VALVE
CHARGE
PUMP
TRACTION
PUMP
OPTIONAL
ORIFICE