Toro Groundsmaster 3500 30807 - Page 94

Groundsmaster 3500Hydraulic System Page 5 − 36
Traction Circuit Testing − Charge Pressure Test
High Pressure
Low Pressure
Return or Suction
Flow
M4
M5
BY−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
3500 psi
TO HYDRAULIC
FROM HYDRAULIC MANIFOLD
MANIFOLD (P1) PORT
(CHG) PORT
TO STEERING CONTROL
VALVE (IN) PORT
CHARGE RELIEF
FROM OIL
FILTER
TEE CONNECTOR
PRESSURE GUAGE
AND
200−300 psi
TESTER WITH
PRESSURE GUAGE
AND FLOW METER