Test No. 3: Charge Pump (P2) Flow - Toro Sand Pro 2020 Service Manual

TEST NO. 3: Charge Pump (P2) Flow

HYDROSTAT
TRACTION
PUMP
P1
FROM
OIL
COOLER
1
1. Lift valve (SP 2020/3020)
2. Hose from pump (SP 2020/3020)
Hydraulic System (Rev. A)
CHARGE
CHECK
VALVE
CHARGE
PUMP
P2
CHARGE
CHECK
VALVE
FILTER
TANK
2
Figure 14
3. Lift valve (SP 5020)
Page 4 – 24
IMPLEMENT
RELIEF
R1
ACCELERATION
R2
VALVES
CHARGE
RELIEF
FORWARD
FROM
SHUTTLE
VALVE
TO
LIFT
VALVE
3
4
4. Hose from pump (SP 5020)
FROM
WHEEL
A
MOTORS
TO
B
WHEEL
MOTORS
Sand Pro 2020/3020/5020