Exmark NAVIGATOR User Manual

Maintenance
LubricateBrakeHandlePivot
ServiceInterval:Every160hours
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Lubricatebronzebushingsonbrakehandle
pivotwithaspraytypelubricantorlightoil(see
Figure22).
Figure22
LeftSideofUnitShown
1.BrakeHandlePivot
3.SpringArmPivot
2.PTOHandlePivot
4.TogglePivot
LubricateBrakeRod
Bushings
ServiceInterval:Every160hours
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Unhookseatlatchandtiltseatup.
3.Lubricatebronzebushingsoneachendofbrake
rodshaftwithaspraytypelubricantoralightoil
(bushingsarelocatedtotheinsideoftheange
bearings).
LubricateSteeringLinkage
RodEnds
ServiceInterval:Every160hours
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Unhookseatlatchandtiltseatup.
3.Lubricateeachendofbothsteeringlinkagerods
withaspraylubricantoralightoil.
LubricateHopperSwitch
Actuator
ServiceInterval:Every160hours
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Raisehopperandlocateactuatoronrighthand
sideofmainframe.
3.Lubricateswitchactuatorrodwithaspray
lubricantoralightoil.
CheckSparkPlugs
ServiceInterval:Every160hours
Removesparkplugs,checkconditionandresetgaps,
orreplacewithnewplugs.SeeEngineOwner's
Manual.
ChangeFuelFilter
ServiceInterval:Asrequired
Afuellterisinstalledbetweenthefueltankandthe
engine.Replacewhennecessary.
ReplacementFilters
AllUnits
KohlerP/N2405013
ChangeHydraulicSystem
FilterandFluid
ServiceInterval:Aftertherst100hours
Every500hours/Yearly
(whichevercomes
rst)thereafter
(Every250hours/Yearlyif
usingMobil115W50)
Note:UseonlyExmarkPartNo.109-4180for
Summeruseabove32°F(0°C)orP/N1-523541
forWinterusebelow32°F(0°C).(Refertothe
HydrostaticGroundDriveSystemsectionin
Specicationsforlterspecications.)
38

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