Toro 74901 - The Safety Interlock System

StoppingtheEngine
CAUTION
Childrenorbystandersmaybeinjuredifthey
moveorattempttooperatethetractorwhileitis
unattended.
Alwaysremovetheignitionkeyandsettheparking
brakewhenleavingthemachineunattended,even
ifjustforafewminutes.
Lettheengineidleatslowthrottle(turtle)for60
secondsbeforeturningtheignitionswitchoff.
Figure21
Important:Makesurethatthefuelshutoffvalveis
closedbeforetransportingorstoringthemachine,
asfuelleakagemayoccur.Settheparkingbrake
beforetransporting.Makesuretoremovethekey
asthefuelpumpmayrunandcausethebattery
tolosecharge.
TheSafetyInterlockSystem
CAUTION
Ifsafetyinterlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
UnderstandingtheSafetyInterlock
System
Thesafetyinterlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Theparkingbrakeisengaged.
•Thebladecontrolswitch(PTO)isdisengaged.
•Themotioncontrolleversareintheneutrallocked
position
Thesafetyinterlocksystemalsoisdesignedtostopthe
enginewhenthetractioncontrolsaremovedfromthe
lockedpositionwiththeparkingbrakeengagedorif
yourisefromtheseatwhenthePTOisengaged.
Thehourmeterhassymbolstonotifytheuserwhenthe
interlockcomponentisinthecorrectposition.When
thecomponentisinthecorrectposition,atrianglewill
lightupinthecorrespondingsquare.
G009181
1
Figure22
1.Triangleslightupwhentheinterlockcomponentsareinthe
correctposition
TestingtheSafetyInterlockSystem
ServiceInterval:Beforeeachuseordaily
Testthesafetyinterlocksystembeforeyouusethe
machineeachtime.Ifthesafetysystemdoesnot
operateasdescribedbelow,haveanAuthorizedService
Dealerrepairthesafetysystemimmediately.
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