TestingtheSafetyInterlockSystem
ServiceInterval:Beforeeachuseordaily
Testthesafetyinterlocksystembeforeyouusethemachine
eachtime.Ifthesafetysystemdoesnotoperateasdescribed
below,haveanAuthorizedServiceDealerrepairthesafety
systemimmediately.
1.Sittingontheseat,engagetheparkingbrakeandmove
thePTOtoon.Trystartingtheengine;theengine
shouldnotcrank.
2.Sittingontheseat,engagetheparkingbrakeandmove
thePTOtooff.Engagethetractionpedal.Trystarting
theengine;theengineshouldnotcrank.
3.Sittingontheseat,engagetheparkingbrake,move
thePTOswitchtooffandallowthetractionpedalto
returntotheneutralposition.Nowstarttheengine.
Whiletheengineisrunning,releasetheparkingbrake,
engagethePTOandriseslightlyfromtheseat.Ontwo
wheeldrivemachines,theengineshouldstopwithin2
seconds.Onfourwheeldrivemachines,themower
deckwillshutoff.Theenginewillcontinuetorun.
4.Withoutanoperatorontheseat,engagetheparking
brake,movethePTOswitchtooffandmovethe
tractionpedaltotheneutralposition.Nowstartthe
engine.Whiletheengineisrunning,engagethetraction
pedal;theengineshouldstopwithin2seconds.
5.Withoutanoperatorontheseat,disengagetheparking
brake,movethePTOswitchtooff,andallowthe
tractionpedaltoreturntotheneutralposition.Try
startingtheengine;theengineshouldnotcrank.
UsingtheSCMtoDiagnoseSystem
Problems
Themachineisequippedwithastandardcontrolmodule
(SCM)monitoringsystemthattracksthefunctionofvarious
keysystems.TheSCMislocatedundertheseat.
OnthefaceoftheSCMare11LEDsthatilluminateto
indicatevarioussystemconditions.Sevenoftheselightscan
beusedbytheoperatorforsystemdiagnosis.RefertoFigure
13foradescriptionofwhateachlightmeans.Fordetails
onusingtherestoftheSCMfunctions,refertotheService
Manual,availablethroughyourAuthorizedToroDistributor.
Figure13
1.Hightemperatureshutdown—theenginetemperaturehas
exceededsafelevelsandtheenginehasbeenshutdown.
Checkthecoolingsystem.
2.Hightemperaturewarning—theenginetemperatureis
approachingunsafelevelsandthemowerdeckhasbeen
shutdown.Checkthecoolingsystem.
3.Operatorisintheseat
4.ThePTOisOn
5.Theparkingbrakeisnotengaged
6.ControlsareinNeutral
7.TheSCMisreceivingpowerandisoperational
PositioningtheStandardSeat
ChangingtheSeatPosition
Theseatcanmoveforwardandbackward.Positiontheseat
whereyouhavethebestcontrolofthemachineandaremost
comfortable.
1.Toadjust,movetheleversidewaystounlocktheseat
(Figure14).
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