Test No. 2: Charge Relief Valve (R2) And Implement Relief Valve (R1) - Toro Sand Pro 2020 Service Manual

TEST NO. 2: Charge Relief Valve (R2) and Implement Relief Valve (R1) Pressure
HYDROSTAT
TRACTION
PUMP
P1
FILTER
FROM
OIL
COOLER
TANK
1. Charge test port (SP 2020/3020)
Hydraulic System (Rev. A)
CHARGE
CHECK
VALVE
CHARGE
PUMP
P2
CHARGE
CHECK
VALVE
PRESSURE
GAUGE
1
2
Figure 13
2. Engine base plate (SP 2020/3020)
Page 4 – 22
IMPLEMENT
RELIEF
R1
ACCELERATION
R2
VALVES
CHARGE
RELIEF
FORWARD
FROM
SHUTTLE
VALVE
TO
LIFT
VALVE
3.
FROM
WHEEL
A
MOTORS
TO
B
WHEEL
MOTORS
3
Charge test port (SP 5020)
Sand Pro 2020/3020/5020