Toro Groundsmaster
3500-D - Charge Relief Valve Pressure Test

Groundsmaster 3500--DHydraulic System (Rev. D) Page 4 -- 34
Charge Relief Valve Pressure Test
High Pressure
Low Pressure
Return or Suction
Flow
M4
M5
BI--PASS
VALVE
P3
HYDROSTAT
P1 P2
ENGINE
RPM
GEAR PUMP
LOWER
PORT
UPPER
PORT
M6
INTERNAL CASE DRAIN
100 to 150 psi
STRAINER
TOP PORT
FORWARD
TRACTION WHEEL MOTORS
3000 psi
TO HYDRAULIC
FROM HYDRAULIC MANIFOLD
MANIFOLD (P1) PORT
(CHG) PORT
TO STEERING CONTROL
VALVE (IN) PORT
CHARGE RELIEF
FROM OIL
FILTER