Exmark NAVIGATOR User Manual

Operation
thenextpositiontoengagethestarter(keymustbe
heldagainstspringpressureinthisposition).
Note:Brakemustbeengaged,speedcontrollever
rearward(neutralposition)andPTOdisengagedto
startengine.(Itisnotnecessaryfortheoperatorto
beintheseattostarttheengine.)
HourMeter
Locatedontherightconsoleinthemessagedisplay
(seeFigure5andFigure6).
Thehourmeterrecordsthenumberofhoursthat
theenginehasrun.
Figure6
1.LCDIndicators
2.Hopperup
3.Hour/Voltagedisplay
4.Lowvoltageindicatorlight
Thehourmeterisrecordingwhenthedecimalpoint
isashinginHour/Voltagedisplay.
Hoursaredisplayedwhenthekeyisofforwhenthe
machineisrunning.
Note:Iftheignitionkeyisturnedtothe“ON”
positionforafewsecondsbeforecrankingtheengine,
thebatteryvoltagewilldisplayintheareawherethe
hoursarenormallydisplayed.
Note:TheLCDindicatorsappearwheneachcontrol
meetsthe“safetostart”mode(e.g.theindicator
turnsonwhentheoperatorisintheseat.)
DriveWheelReleaseValves
Locatedonthetopleftfrontcornerofhydrostatic
pumps.
Drivewheelreleasevalvesareusedtoreleasethe
hydrostaticdrivesystemtoallowthemachinetobe
pushedwithouttheenginerunning.Tiltseatupto
gainaccesstopumps.
Witha7/16wrench,turnbothvalvesoneturn
counterclockwisetoreleasedrivesystem.Turn
clockwisetoresetsystem.DoNotovertighten.Do
Nottowmachine.
TrackingAdjustmentKnob
Locatedundertheseatontheleftpumpcontrollink.
Rotatingthisknoballowsnetuningadjustmentsso
thatthemachinetracksstraightwiththedrivelevers
inthefullforwardposition.
Rununitat3/4speedforatleast5minutesto
bringhydraulicoiluptooperatingtemperature.
Stopmachineandwaitforallmovingpartstostop.
Engageparkbrake.Tiltseatforwardtogainaccess
tothetrackingknob.Rotatetheknobtowardsthe
righttosteerrightandrotatetowardsthelefttosteer
left.Adjustin1/8turnincrementsuntilthemachine
tracksstraight.Checkthatthemachinedoesnotcreep
wheninneutralwiththeparkbrakesdisengaged.
Important:DoNotrotatetheknobtoofar,as
thismaycausethemachinetocreepinneutral.
RefertotheMotionControlLinkageAdjustment
sectioninMaintenance.
PTOEngagementLever
Locatedimmediatelyleftoftheleftconsole.
Levermustbemoveduptothe“ROTATE”position
toengagethePTOandblowerdrives.Leverismoved
downtothe“STOP”positiontostopthedrives.
EngineOilTemperatureLightand
Buzzer
Locatedontherightconsole.
Theengineoiltemperaturelightmonitorsthe
temperatureoftheengineoil.Anilluminatedengine
oiltemperaturelightandintermittentbuzzingsound
signalstheengineisoverheating.
ElectronicControlUnitMalfunction
Indicator
KohlerEFIUnitsOnly:
Theelectroniccontrolunit(ECU)continuously
monitorsoperationoftheEFIsystem.Ifaproblem
21

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