Exmark NAVIGATOR User Manual

Maintenance
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
WARNING
Whilemaintenanceoradjustmentsarebeing
made,someonecouldstarttheengine.
Accidentalstartingoftheenginecouldseriously
injureyouorotherbystanders.
Removethekeyfromtheignitionswitch,engage
parkingbrake,andpullthewire(s)offthespark
plug(s)beforeyoudoanymaintenance.Also
pushthewire(s)asidesoitdoesnotaccidentally
contactthesparkplug(s).
WARNING
Theenginecanbecomeveryhot.Touchingahot
enginecancausesevereburns.
Allowtheenginetocoolcompletelybefore
serviceormakingrepairsaroundtheenginearea.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst5hours
•Changetheengineoil.
Aftertherst50hours
•Changeoilinallthreegearboxhousings.
Aftertherst100hours
•Changethehydrauliclteranduid.
•Checkthewheelhublocknutstorquespecication.
•Checkthewheellugnuttorquespecication.
Beforeeachuseordaily
•Checktheengineoillevel.
•Checkthemowerblades.
•Checkthesafetyinterlocksystem.
•Checkforloosehardware.
•Greasethefrontcasterwheelhub.
•Removeaccumulateddebrisfromengine(seeCleaningsection.)
•Cleanthegrassanddebrisbuild-upfromthemachine.
•Cleanthegrassanddebrisbuild-upfromthecuttingdeck.
•Cleanthegrassbuild-upfromunderthedeck.
Every40hours
•Checkthehydraulicoillevel.
•Checkthetirepressures.
•Checktheconditionofthebelts.
•Greasethedriveshaft.
Every50hours
•Servicetheaircleaner.(Mayneedmoreoftenundersevereconditions.SeetheEngine
Owner'sManualforadditionalinformation.)
Every80hours
•Removeengineshroudsandcleancoolingns(seeCleaningsection.)
Every100hours
•Changetheengineoil.(Mayneedmoreoftenundersevereconditions.)
•Checkoilinallthreegearboxhousings.
•Greasethedeckip-up.
•Greasethepivotarmtubes.
Every160hours
•Lubricatethebrakehandlepivot.
•Lubricatethebrakerodbushings.
•Lubricatethesteeringlinkagerodends.
•Lubricatehopperswitchactuator
•Checkthesparkplugs.
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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