EngineMaintenance
ChecktheEngineOverheat
WarningSystem
ServiceInterval:Every500hours
Figure33
1.Temperatureswitch
1.TurntheignitionkeytopositionI.
2.DisconnecttheRed/Bluewireterminalfromthe
enginetemperatureswitch.
3.Touchthemetalterminalofthiswireontoasuitable
earthpoint,ensuringthatthemetalsurfacesmake
goodcontact.
Thehornwillsoundandtheenginecoolanttemperature
warninglightwillilluminatetoconrmcorrect
operation.Ifthesystemisfaulty,makerepairsbefore
operatingthemower.
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily
Every500hours
ServicingthePrimaryAirFilter
Checktheaircleanerbodyfordamagewhichcould
causeanairleak.Replaceifdamaged.Checkthewhole
intakesystemforleaks,damageorloosehoseclamps.
Servicetheprimaryaircleanerlteronlywhenthe
serviceindicator(
Figure34)requiresit.Changingtheair
lterbeforeitisnecessaryonlyincreasesthechanceof
dirtenteringtheenginewhenthelterisremoved.
Important:Besurethecoverisseatedcorrectly
andsealswiththeaircleanerbody.
1.Checkthelterblockageindicator.Iftheindicatoris
red,theairlterneedstobereplaced(Figure34).
Figure34
2.Beforeremovingthelter,uselowpressure
air(40psi,cleananddry)tohelpremovelarge
accumulationsofdebrispackedbetweenoutside
ofthelterandthecanister.Avoidusinghigh
pressureairwhichcouldforcedirtthroughthe
lterintotheintaketract.Removethecoverfrom
theaircleanerbody.
Thiscleaningprocesspreventsdebrisfrommigrating
intotheintakewhenthelterisremoved.
Figure35
1.Dustboot
3.Airlter
2.Dustbowl
3.Removeandreplacethelter(Figure35).
Cleaningoftheusedelementisnotrecommended
duetothepossibilityofdamagetotheltermedia.
4.Inspectthenewlterforshippingdamage,checking
thesealingendofthelterandthebody.Donot
useadamagedelement.
5.Insertthenewlterbyapplyingpressuretotheouter
rimoftheelementtoseatitinthecanister.Donot
applypressuretotheexiblecenterofthelter.
6.Cleanthedirtejectionportlocatedintheremovable
cover.Removetherubberoutletvalvefromthe
cover,cleanthecavityandreplacetheoutletvalve.
7.Installthecoverorientingtherubberoutletvalvein
adownwardposition—betweenapproximately5:00
to7:00whenviewedfromtheend.
34