Piston Pump/Hydrostat Flow And Relief Pressure Test - Toro Reelmaster 3550-D Service Manual

Traction Circuit Testing − Piston Pump/Hydrostat Flow and Relief Pressure Test
TESTER WITH
PRESSURE GUAGE
AND FLOW METER
CHARGE
CIRCUIT
PRESSURE
TO MOW CONTROL
MANIFOLD (P) PORT
TO STEERING CONTROL
VALVE (P) PORT
Hydraulic System
FRONT
FRONT
TRACTION WHEEL MOTORS
LOWER
PORT
G2
3500 PSI
C2
100−150 PSI
CHARGE RELIEF
HYDROSTAT
REAR
TOW
UPPER
VALVE
PORT
200−300
PSI
P1
P2
GEAR PUMP
Page 4 − 42
G1
SUCTION
STRAINER
High Pressure
Low Pressure
Return or Suction
Flow
Reelmaster 3550−D/3555−D/3575−D