Exmark NAVIGATOR User Manual

Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals......................11
Specications........................................................17
Systems..........................................................17
Dimensions....................................................18
TorqueRequirements.....................................19
ProductOverview.................................................19
Operation..............................................................20
Controls.........................................................20
Pre-Start.........................................................22
OperatingInstructions...................................22
Transporting..................................................28
Maintenance..........................................................30
RecommendedMaintenanceSchedule(s)............30
PeriodicMaintenance........................................31
CheckEngineOilLevel..................................31
CheckMowerBlades......................................33
CheckSafetyInterlockSystem........................34
CheckforLooseHardware.............................34
ServiceAirCleaner.........................................34
ChangeEngineOil.........................................34
CheckHydraulicOilLevel..............................35
CheckTirePressures......................................35
CheckConditionOfBelts...............................35
ChangeGearboxOil.......................................36
CheckGearboxOil.........................................36
LubricateGreaseFittings................................36
LubricateRearCasterWheelHubs..................37
LubricateBrakeHandlePivot.........................38
LubricateBrakeRodBushings........................38
LubricateSteeringLinkageRodEnds..............38
LubricateHopperSwitchActuator..................38
CheckSparkPlugs..........................................38
ChangeHydraulicSystemFilterand
Fluid..........................................................38
CheckWheelHubLocknuts...........................39
CheckWheelLugNuts...................................39
ThreadLockingAdhesives..............................39
DielectricGrease............................................39
Adjustments......................................................40
DeckLeveling................................................40
PTODriveBeltTension.................................40
PumpDriveBeltTension................................40
PTOBeltReplacement...................................40
PumpDriveBeltReplacement.......................41
BeltGuideAdjustment...................................41
AdjustSafetySwitch.......................................42
ParkingBrakeAdjustment..............................42
ReverseStopRodAdjustment.........................43
AdjustSpeedControlLeverTension...............44
SpeedControlLinkageAdjustment.................44
TrackingAdjustment......................................45
PTODrivePulleyAlignment..........................45
PumpDrivePulleyAlignment.........................46
CasterPivotBearingsPre-Load
Adjustment................................................46
HopperDoorAdjustment..............................46
PTOBrakeSpringAdjustment.......................47
DeckLockingPinStopAdjustment................47
Cleaning............................................................48
CleanEngineandExhaustSystem
Area...........................................................48
RemoveEngineShroudsandClean
CoolingFins...............................................48
CleanDebrisFromMachine...........................48
CleanDebrisFromCuttingDeck....................48
CleanGrassBuild-UpUnderDeck.................48
WasteDisposal...............................................48
Troubleshooting....................................................50
Schematics............................................................52
4

Exmark NAVIGATOR Specifications

General

Drive System	Hydrostatic
Deck Construction	Fabricated
Transmission	Hydrostatic
Deck Material	Steel
Turning Radius	Zero-turn
Cutting Width	42 in
Blade Tip Speed	18, 500 fpm
Engine Type	V-Twin