Toro 30308 - Implement Relief Pressure Test (Using Pressure Gauge) (Machine Serial Numbers below 316000000)

ImplementReliefPressureTest(UsingPressureGauge)(Machine
SerialNumbersbelow316000000)
g230803
Figure61
1.Seatbaseopening
3.Pipeplug
2.Checkvalve4.Implementreliefvalve
g230804
Figure62
1.Reliefvalve
Theimplementreliefpressuretestshouldbedoneifaproblemissuspected
withtheimplementreliefvalve.
Note:WhenconductingtheImplementReliefPressureT est,usea34,500kPa
(5,000psi)PressureGauge.
1.Performsteps1through8oftheChargePressureT est(UsingPressure
Gauge)(MachineSerialNumbersbelow316000000)(page5–49).Ensure
tousea34,500kPa(5,000psi)PressureGauge.
2.Withtheenginerunningat3,200rpm,movetheliftcontrollevertotheRAISE
positionandallowthecuttingunit(orimplement)tofullyraise.Continueto
holdtheleverintheRAISEpositionandobservethepressuregauge.The
pressurereadingshouldbefrom4,820to6,900kPa(700to1,000psi)asthe
implementreliefvalvelifts.
3.MovetheliftcontrollevertotheLOWERpositiontolowerthecuttingdeck(or
implement)totheground.Shutofftheengine.Recordtestresults.
Groundsmaster
®
3280-D/3320
Page5–51
HydraulicSystem:TestingtheHydraulicSystem
05138SLRevB