Toro Groundsmaster 3505-D Service Manual page 68

Logic (Counterbalance) Valve (LC1) Pressure Test (Using Pressure Gauge)
TO HYDRAULIC
TANK
G1
TO OIL
COOLER
TO HYDROSTAT
CHARGE CIRCUIT
ENGINE
RPM
FROM HYDROSTAT
INTERNAL CASE DRAIN
FROM OIL FILTER
Hydraulic System
D1
M1
T2
DECK
ON--OFF
3200 psi
T1
P1 CHG
P1 P2
GEAR PUMP
STRAINER
FROM DECK MOTOR
CASE DRAINS
TO LEFT FRONT
DECK MOTOR
M2
BV
1500 psi
(NOT ENERGIZED)
R1
LC1
ST
TO STEERING CONTROL
VALVE (IN) PORT
FROM STEERING CONTROL
VALVE (OUT) PORT
Page 4 - - 38
FROM REAR
DECK MOTOR
HYDRAULIC
MANIFOLD
BLOCK
FROM FRONT LIFT
CF
CYLINDER
FROM REAR LIFT
CR
CYLINDER
PRESSURE
G2
GAUGE
LV
FROM LIFT VALVE
(OUT) PORT
High Pressure
Low Pressure
Return or Suction
Flow
Groundsmaster 3505--D