Toro 74721 - Using the Safety-Interlock System; Understanding the Safety-Interlock System; Testing the Safety-Interlock System

CAUTION
Thismachineproducessoundlevelsin
excessof85dBAattheoperator’searand
cancausehearinglossthroughextended
periodsofexposure.
Wearhearingprotectionwhenoperatingthis
machine.
Useprotectiveequipmentforyoureyes,ears,hands,
feet,andhead.
g009027
Figure9
1.Weareyeprotection.2.Wearhearingprotection.
UsingtheSafety-Interlock
System
WARNING
Ifthesafety-interlockswitchesare
disconnectedordamaged,themachinecould
operateunexpectedly,causingpersonal
injury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthemachine.
Understandingthe
Safety-InterlockSystem
Thesafety-interlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Theblade-controlswitch(PTO)isdisengaged.
•Themotion-controlleversareinthePARKposition.
Thesafety-interlocksystemalsoisdesignedtoshut
offtheenginewheneverthecontrolleversareoutof
thePARKpositionandyourisefromtheseat.
TestingtheSafety-Interlock
System
Testthesafety-interlocksystembeforeyouusethe
machineeachtime.Ifthesafetysystemdoesnot
operateasdescribedbelow,haveanAuthorized
ServiceDealerrepairthesafetysystemimmediately.
1.Sitontheseat,movethemotion-controllevers
inthePARKposition,andmovetheblade-control
switchtotheONposition.Trystartingthe
engine;theengineshouldnotcrank.
2.Sitontheseatandmovetheblade-controlswitch
totheOFFposition.Moveeithermotion-control
levertothecenter,unlockedposition.Try
startingtheengine;theengineshouldnotcrank.
Repeatwiththeothermotion-controllever.
3.Sitontheseat,movetheblade-controlswitch
totheOFFposition,andlockthemotion-control
leversinthePARKposition.Starttheengine.
Whiletheengineisrunning,engagethe
blade-controlswitch,andriseslightlyfromthe
seat;theengineshouldshutoff.
4.Sitontheseat,movetheblade-controlswitch
totheOFFposition,andlockthemotion-control
leversinthePARKposition.Starttheengine.
Whiletheengineisrunning,movethe
motion-controlleverstothecenter,unlocked
position,engagetheblade-controlswitch,and
riseslightlyfromtheseat;theengineshould
shutoff.
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