Toro Groundsmaster
3500-D - Logic (Counterbalance) Valve (LC1) Pressure Test

Groundsmaster 3500--DHydraulic System (Rev. D) Page 4 -- 46
Logic (Counterbalance) Valve (LC1) Pressure Test
P1 P2
ENGINE
RPM
GEAR PUMP
STRAINER
G1
T2
D1
M1
M2
MANIFOLD
BLOCK
T1
P1
LV
CHG
CF
CR
ST
FROM LIFT VALVE
G2
FROM DECK MOTOR
CASE DRAINS
FROM REAR
TO LEFT FRONT
DECK MOTOR
TO HYDRAULIC
TANK
TO OIL
COOLER
TO HYDROSTAT
CHARGE CIRCUIT
FROM HYDROSTAT
INTERNAL CASE DRAIN
DECK MOTOR
FROM STEERING CONTROL
VALVE (OUT) PORT
TO STEERING CONTROL
VALVE (IN) PORT
(OUT) PORT
FROM REAR LIFT
CYLINDER
FROM FRONT LIFT
CYLINDER
HYDRAULIC
High Pressure
Low Pressure
Return or Suction
Flow
LC1
1500 psi
BV
FROM OIL FILTER
3200 psi
DECK
ON--OFF
R1