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TEST NO. 4: Wheel Motor Efficiency
3
1
2
M3
M2
RIGHT
B
A
A
FRONT
LEFT
M1
P1
B
P2
R2
R1
IMPLEMENT
RELIEF
CHARGE
RELIEF
CHARGE
CHECK
CHARGE
CHECK
CHARGE
PUMP
TRACTION
PUMP
SHUTTLE
FROM
OIL
COOLER
TO
LIFT
FILTER
HYDROSTAT
FORWARD
ACCELERATION
VALVES
TANK
VALVE
VALVE
HOT OIL
VALVE
VALVE
Figure 15
1. Hydrostat (SP 2020/3020) 2. Forward header (SP 2020/3020) 3. Wheel motor connector (SP 5020)
Hydraulic System (Rev. A) Page 4 – 26 Sand Pro 2020/3020/5020