Toro GrandStand 74550 - The Safety Interlock System

StoppingtheEngine
CAUTION
Childrenorbystandersmaybeinjuredifthey
moveorattempttooperatethetractorwhileitis
unattended.
Alwaysremovetheignitionkeyandsettheparking
brakewhenleavingthemachineunattended,even
ifjustforafewminutes.
Lettheengineidleatslowthrottle(turtle)for60
secondsbeforeturningtheignitionswitchoff.
Figure17
Important:Makesurefuelshutoffvalveisclosed
beforetransportingorstoringthemachine,asfuel
leakagemayoccur.Beforestoringthemachine,
pullwireoffsparkplug(s)topreventpossibilityof
accidentalstarting.
TheSafetyInterlockSystem
CAUTION
Ifsafetyinterlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
UnderstandingtheSafetyInterlock
System
Thesafetyinterlocksystemisdesignedtopreventthe
mowerbladesfromrotatingunless:
•Therightsidemotioncontrolleverismovedtothe
center,un-lockedposition.
•Thebladecontrolswitch(PTO)ispulledon.
Thesafetyinterlocksystemisdesignedtostopthe
mowerbladesifyoumoveorreleasetherightside
motioncontrolleverintotheneutrallockposition.
Thehourmeterhassymbolstonotifytheuserwhen
theinterlockcomponentisinthecorrectposition.
Whenthecomponentisinthecorrectposition,a
trianglewilllightupinthecorrespondingsquare.
Figure18
1.Triangleslightupwhentheinterlockcomponentsareinthe
correctposition
TestingtheSafetyInterlockSystem
ServiceInterval:Beforeeachuseordaily
Testthesafetyinterlocksystembeforeyouusethe
machineeachtime.
Note:Ifthesafetysystemdoesnotoperateas
describedbelow,haveanAuthorizedServiceDealer
repairthesafetysystemimmediately.
1.Starttheengine;refertoStartingandStoppingthe
EngineinOperation(page14).
2.Settheparkingbrake.
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