Toro 74933 - Using the Safety-Interlock System

CAUTION
Thismachineproducessoundlevelsin
excessof85dBAattheoperator’searand
cancausehearinglossthroughextended
periodsofexposure.
Wearhearingprotectionwhenoperatingthis
machine.
Useprotectiveequipmentforyoureyes,ears,hands,
feet,andhead.
g009027
Figure11
1.Weareyeprotection.2.Wearhearingprotection.
UsingtheSafety-Interlock
System
WARNING
Ifsafety-interlockswitchesaredisconnected
ordamaged,themachinecouldoperate
unexpectedlycausingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdaily,andreplaceanydamaged
switchesbeforeoperatingthemachine.
Understandingthe
Safety-InterlockSystem
Thesafety-interlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Theparkingbrakeisengaged.
•Theblade-controlswitch(PTO)isdisengaged.
•Themotion-controlleversareintheNEUTRAL-LOCK
position.
Thesafety-interlocksystemalsoisdesignedtoshutoff
theenginewhenthetractioncontrolsaremovedfrom
thelockedpositionwiththeparkingbrakeengagedor
ifyourisefromtheseatwhenthePTOisengaged.
Thehourmeterhassymbolstonotifytheuserwhen
theinterlockcomponentisinthecorrectposition.
Whenthecomponentisinthecorrectposition,a
trianglelightsupinthecorrespondingsquare.
g013672
Figure12
1.Triangleslightupwhentheinterlockcomponentsareinthe
correctposition
TestingtheSafety-Interlock
System
ServiceInterval:Beforeeachuseordaily
Testthesafety-interlocksystembeforeyouusethe
machineeachtime.Ifthesafetysystemdoesnot
operateasdescribedbelow,haveanAuthorized
ServiceDealerrepairthesafetysystemimmediately.
1.Sittingontheseat,engagetheparkingbrake
andmovetheblade-controlswitch(PTO)tothe
ONposition.Trystartingtheengine;theengine
shouldnotstart.
2.Sittingontheseat,engagetheparkingbrake
andmovetheblade-controlswitch(PTO)tothe
OFFposition.Moveeithermotion-controllever
(outoftheNEUTRAL-LOCKposition).Trystarting
theengine;theengineshouldnotstart.Repeat
fortheothercontrollever.
3.Sittingontheseat,engagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controllevers
totheNEUTRAL-LOCKposition.Nowstartthe
engine.Whiletheengineisrunning,disengage
theparkingbrake,engagetheblade-control
switch(PTO),andriseslightlyfromtheseat;the
engineshouldshutoff.
4.Sittingontheseat,engagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controllevers
totheNEUTRAL-LOCKposition.Nowstartthe
engine.Whiletheengineisrunning,center
eithermotioncontrolandmove(forwardor
reverse);theengineshouldshutoff.Repeatfor
othermotioncontrol.
5.Sittingontheseat,disengagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controllevers
totheNEUTRAL-LOCKposition.Trystartingthe
engine;theengineshouldnotstart.
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