Toro 74312 User Manual

Contents
Safety.......................................................................4
GeneralSafety...................................................4
SlopeIndicator...................................................5
SafetyandInstructionalDecals..........................6
ProductOverview...................................................12
Controls...........................................................12
Specications..................................................13
Attachments/Accessories.................................13
BeforeOperation.................................................14
BeforeOperationSafety...................................14
AddingFuel......................................................15
PerformingDailyMaintenance..........................15
BreakinginaNewMachine..............................15
RaisingtheMowerDeckintotheService
Position.........................................................16
LoweringtheMowerDecktotheOperating
Position.........................................................16
AdjustingtheFillReductionSystem(FRS)
Bafes...........................................................17
UsingtheSafety-InterlockSystem....................18
UnlatchingtheSeat..........................................19
DuringOperation.................................................19
DuringOperationSafety...................................19
OperatingtheParkingBrake.............................21
OperatingthePTO-EngagementLever.............22
OperatingtheThrottle.......................................22
OperatingtheChoke........................................22
StartingtheEngine...........................................22
ShuttingOfftheEngine.....................................23
DrivingtheMachine..........................................24
AdjustingtheHeightofCut...............................24
EmptyingtheHopper........................................25
OperatingTips.................................................25
AfterOperation....................................................26
AfterOperationSafety......................................26
ClearingtheHopperScreen.............................26
UsingtheDrive-WheelReleaseValves.............26
TransportingtheMachine.................................27
Maintenance...........................................................29
MaintenanceSafety..........................................29
RecommendedMaintenanceSchedule(s)...........29
Lubrication..........................................................31
GreasingtheMachine.......................................31
GreasingthePump-BeltIdlerArm....................31
LubricatingtheBrake-HandlePivot...................32
LubricatingtheBrake-RodBushingsand
Steering-LinkageRodEnds..........................33
ChangingtheGearboxOil................................33
GreasingtheCasterPivots...............................34
GreasingtheCaster-WheelHubs.....................35
EngineMaintenance...........................................36
EngineSafety...................................................36
ServicingtheAirCleaner..................................36
ServicingtheEngineOil....................................37
ServicingtheSparkPlug...................................39
FuelSystemMaintenance...................................40
ReplacingtheFuelFilter...................................40
ServicingtheFuelT ank.....................................40
ElectricalSystemMaintenance...........................41
ElectricalSystemSafety...................................41
ServicingtheBattery.........................................41
AdjustingtheSafetySwitches...........................42
ServicingtheFuses..........................................42
Jump-StartingtheMachine...............................43
DriveSystemMaintenance..................................44
AdjustingtheTracking......................................44
CheckingtheTirePressure...............................45
CheckingtheWheelLugNuts...........................45
CheckingtheWheel-HubSlottedNuts..............45
AdjustingtheCaster-PivotBearings.................45
CoolingSystemMaintenance..............................46
CoolingSystemSafety.....................................46
CleaningtheEngineScreenandEngine-Oil
Cooler...........................................................46
ServicingtheEngine-OilCooler........................47
CleaningtheEngineCoolingFinsand
Shrouds........................................................47
BrakeMaintenance.............................................47
AdjustingtheParkingBrake..............................47
BeltMaintenance................................................49
InspectingtheBelts..........................................49
ReplacingthePTOBelts...................................49
ReplacingthePump-DriveBelt.........................50
AdjustingtheBeltGuides..................................50
ControlsSystemMaintenance.............................51
AdjustingtheReverse-StopRod.......................51
AdjustingtheSpeed-ControlLever
Tension.........................................................51
AdjustingtheSpeed-ControlLinkage................52
AligningthePTO-DrivePulley...........................52
AligningthePump-DrivePulley.........................53
AdjustingthePTOBrakeSpring.......................54
AdjustingtheHopperDoor................................54
AdjustingtheLocking-PinStopontheMower
Deck..............................................................55
HydraulicSystemMaintenance...........................55
HydraulicSystemSafety...................................55
Hydraulic-FluidSpecications..........................55
CheckingtheHydraulicFluid............................55
ChangingtheHydraulicFluidand
Filter..............................................................56
CheckingandCleaningtheHydraulic
Pumps...........................................................56
BladeMaintenance..............................................57
BladeSafety.....................................................57
ServicingtheCuttingBlades.............................57
LevelingtheMowerDeck..................................59
RemovingtheMowerDeck...............................59
InstallingtheMowerDeck.................................61
AdjustingtheLocking-PinStopontheMower
Deck..............................................................61
Cleaning..............................................................62
CleaningundertheMowerDeck.......................62
CleaningDebrisfromtheMachine....................62
3

Toro 74312 Specifications

General

Brand	Toro
Model	74312
Category	Lawn Mower
Language	English