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TEST NO. 1: Traction Pump Flow (P1)
A
P1
B
P2
R2
R1
IMPLEMENT
RELIEF
CHARGE
RELIEF
CHARGE
CHECK
CHARGE
CHECK
CHARGE
PUMP
TRACTION
PUMP
TO
WHEEL
FROM
WHEEL
FROM
SHUTTLE
TO
LIFT
FROM
OIL
COOLER
3
1
2
HYDROSTAT
FORWARD
ACCELERATION
VALVES
VALVE
VALVE
MOTORS
MOTORS
VALVE
VALVE
FILTER
TANK
Figure 12
1. Hydrostat (SP 2020/3020) 2. Forward header (SP 2020/3020) 3. Wheel motor connector (SP 5020)
Hydraulic System (Rev. A) Page 4 – 20 Sand Pro 2020/3020/5020