Toro Groundsmaster 3400 - Engine and Fuel System Maintenance

EngineMaintenance
EngineSafety
•Shutofftheenginebeforecheckingtheoiloraddingoil
tothecrankcase.
•Donotchangethegovernorspeedoroverspeedthe
engine.
Checkingthe
Engine-Overheat-Warning
System
ServiceInterval:Every500hours
1
G014437
g014437
Figure32
1.Temperatureswitch
1.TurntheignitionkeytopositionI.
2.Disconnectthered/bluewireterminalfromthe
engine-temperatureswitch.
3.Touchthemetalterminalofthiswireontoasuitable
earthpoint,ensuringthatthemetalsurfacesmake
goodcontact.
Thehornwillsoundandtheengine-coolant-temperature
warninglightwillilluminatetoconrmcorrectoperation.If
thesystemisnotfunctioning,makerepairsbeforeoperating
themower.
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily
Every500hours
ServicingthePrimaryAirFilter
Checktheaircleanerbodyfordamagewhichcouldcausean
airleak.Replaceifdamaged.Checkthewholeintakesystem
forleaks,damage,orloosehoseclamps.
Servicetheprimaryaircleanerlteronlywhentheservice
indicator(Figure33)requiresit.Changingtheairlterbefore
itisnecessaryonlyincreasesthechanceofdirtenteringthe
enginewhenthelterisremoved.
Important:Besurethatthecoverisseatedcorrectly
andsealswiththeaircleanerbody.
1.Checkthelter-blockageindicator.Iftheindicatoris
red,replacetheairlter(Figure33).
G014565
g014565
Figure33
2.Beforeremovingthelter,uselow-pressureair(40psi,
cleananddry)tohelpremovelargeaccumulationsof
debrispackedbetweenoutsideofthelterandthe
canister.
Note:Avoidusinghigh-pressureair,whichcould
forcedirtthroughthelterintotheintaketract.
Note:Thiscleaningprocesspreventsdebrisfrom
migratingintotheintakewhenyouremovethelter.
1 2 3
G014566
g014566
Figure34
1.Dustboot
3.Airlter
2.Dustbowl
3.Removethecoverfromtheair-cleanerbody.
4.Removeandreplacethelter(Figure34).
Note:Cleaningausedlterelementcoulddamage
theltermedia.
5.Inspectthenewlterforshippingdamage,checking
thesealingendofthelterandthebody.
Note:Donotuseadamagedelement.
6.Insertthenewlterbyapplyingpressuretotheouter
rimoftheelementtoseatitinthecanister.
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