Toro 30363N - The Safety Interlock System

Figure30
Side-dischargeMowerDecksOnly
1.Bolt
3.Under-deckroller(2)
2.Rollershaft
4.Bracket
5.Installthefastenersasillustrated.
TheSafetyInterlockSystem
CAUTION
Ifthesafetyinterlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
UnderstandingtheSafetyInterlock
System
Thesafetyinterlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Youaresittingontheseatortheparkingbrakeis
engaged.
•Thepowertakeoff(PTO)isdisengaged.
•Themotioncontrolleversareintheneutrallocked
position
•Theenginetemperatureisbelowthemaximum
operatingtemperature.
Thesafetyinterlocksystemalsoisdesignedtostopthe
enginewhenthetractioncontrolsaremovedfromthe
neutrallockedpositionwiththeparkingbrakeengaged.
IfyourisefromtheseatwhenthePTOisengaged
thereisa1seconddelayandthentheenginestops.
TestingtheSafetyInterlockSystem
ServiceInterval:Beforeeachuseordaily
Testthesafetyinterlocksystembeforeyouusethe
machineeachtime.Ifthesafetysystemdoesnot
operateasdescribedbelow,haveanAuthorizedService
Dealerrepairthesafetysystemimmediately.
1.Sittingontheseat,engagetheparkingbrakeand
movethePTOtoon.Trystartingtheengine;the
engineshouldnotcrank.
2.Sittingontheseat,engagetheparkingbrakeand
movethePTOtooff.Moveeithermotioncontrol
lever(outofneutrallockedposition).Trystarting
theengine;theengineshouldnotcrank.Repeatfor
othercontrollever.
3.Sittingontheseat,engagetheparkingbrake,move
thePTOswitchtooffandmovethemotioncontrol
leverstotheneutrallockedposition.Nowstartthe
engine.Whiletheengineisrunning,releasethe
parkingbrake,engagethePTOandriseslightly
fromtheseat;theengineshouldstopwithin2
seconds.
4.Withoutanoperatorontheseat,engagetheparking
brake,movethePTOswitchtooffandmovethe
motioncontrolleverstotheneutrallockedposition.
Nowstarttheengine.Whiletheengineisrunning,
centereithermotioncontrol;theengineshould
stopwithin2seconds.Repeatfortheothermotion
control.
5.Withoutanoperatorontheseat,disengagethe
parkingbrake,movethePTOswitchtooff,and
movethemotioncontrolleverstotheneutral
lockedposition.Trystartingtheengine;theengine
shouldnotcrank.
UsingtheSCMtoDiagnoseSystem
Problems
Themachineisequippedwithastandardcontrol
module(SCM)monitoringsystemthattracksthe
functionofvariouskeysystems.TheSCMislocated
undertherightcontrolpanel.Accessitthroughthe
sidepanelcover(Figure31).Toopenthesidepanel
cover,releasethe2latchesandpulloutonit.
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