Exmark Quest 4500-450 - Engine Maintenance Procedures

Maintenance
Figure18
Locatedonthebackoftheseat.
1.Readtheinstructions
beforeservicingor
performingmaintenance
5.Checkhydraulicoillevel
andrefertoOperator’s
manualforfurther
instructions.
2.Greaseidlerpivot—All
units.
6.Checktirepressure.
3.Timeinterval(hours).7.Greaseidlerpivot—48
and52inchonly.
4.Checkoillevel.
4.Connectagreaseguntoeachtting(Figure17
andFigure18).Pumpgreaseintothettingsuntil
greasebeginstooozeoutofthebearings.
5.Wipeupanyexcessgrease.
EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Every25hours/Monthly
(whichevercomesrst)
(Mayneedmoreoften
underextremelydustyor
dirtyconditions.)
Every100hours/Yearly
(whichevercomes
rst)—Replacethepaper
element.(Moreoften
underextremelydusty,
dirtyconditions.)
Thisengineisequippedwithareplaceable,high
densitypaperaircleanerelement.Checktheair
cleanerdailyorbeforestartingtheengine.Checkfor
abuildupofdirtanddebrisaroundtheaircleaner
system.Keepthisareaclean.Alsocheckforlooseor
damagedcomponents.Replaceallbentordamaged
aircleanercomponents.
Note:Operatingtheenginewithlooseordamaged
aircleanercomponentscouldallowunlteredairinto
theenginecausingprematurewearandfailure.
Note:Servicetheaircleanermoreoftenunder
extremelydusty,dirtyconditions.
Figure19
1.Aircleaner3.Aircleanercover
2.Knobs
ServicingPaperElement
ServiceInterval:Every25hours/Monthly
(whichevercomesrst)
(Mayneedmoreoften
underextremelydustyor
dirtyconditions.)
Every100hours/Yearly
(whichevercomes
rst)—Replacetheair
cleanerelement.
1.Removetheaircleanercover(Figure19).
2.Removetheaircleanerelementwiththeintegral
rubberseal.
30