Toro 30308 - Lift Circuit (Machine Serial Number below 311000000)

LiftCircuit(MachineSerialNumberbelow311000000)
Thehydrostatictransmissionchargepumpsupplieschargeoilfortheclosed
looptractioncircuitinadditiontosupplyingowforthesteeringcircuitandthe
liftcircuit.Thechargepumptakesitssuctionthroughalterfromthereservoir
(frontaxle).Pumpoutputowstothesteeringcontrolvalvebeforereachingthe
liftvalvesothesteeringcircuithaspriority.Liftcircuitpressureislimitedto5,515
kPa(800psi)bytheimplementreliefvalvelocatedinthehydrostat.
Duringconditionsofnotsteeringoroperatingtheliftvalve,owfromthecharge
pumppassesthroughtheliftandcounterbalancevalves,thenontotheoilcooler
andthentothereservoir(frontaxle).
RaiseCuttingDeck(orImplement)
g229583
Figure50
Groundsmaster
®
3280-D/3320
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HydraulicSystem:HydraulicFlowDiagrams
05138SLRevB