Toro Groundsmaster 4300-D - Hydraulic Filter Replacement; Replacing Hydraulic Filters

ReleasingPressurefromtheHydraulicSystem
Releaseallthepressureinthehydraulicsystembeforeyouworkonthehydraulic
system.
Systempressureinthecuttingcircuitisreleasedwhenthecuttingdecksare
disengaged.
ReleasingtheHydraulicPressurefromtheTractionCircuit
Note:Ifyouparkthemachineonaninclineorslope,thepressureinthetraction
circuitdoesnotrelease.
1.Parkthemachineonalevelsurface.
2.Lowerthecuttingdecks.
3.TurnthekeyswitchtotheOFFpositionandallowtheenginetostop.
4.Movethetractionpedalinboththeforwardandreversedirection.
ReleasingtheHydraulicPressurefromtheLiftCircuit
1.TurnthekeyswitchtotheON(donotstarttheengine)andfullylowerthe
cuttingdeckstotheground.
2.TurnthekeyswitchtotheOFFpositionandallowtheenginetostop.
3.Afterloweringthecuttingdecks,ensurethattheliftcylinderdoesnotsupport
thecuttingdecks.
ReleasingtheHydraulicPressurefromtheSteeringCircuit
1.Parkthemachineonalevelsurface.
2.Lowerthecuttingdecks.
3.TurnthekeyswitchtotheOFFpositionandallowtheenginetostop.
4.Aftertheenginehascometoacompletestop,rotatethesteeringwheelin
bothdirections.
HydraulicSystem:GeneralInformation
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Groundsmaster
®
4300-D
16226SLRevC