Toro 74538 - The Safety Interlock System

TheSafetyInterlockSystem
CAUTION
Ifsafetyinterlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
UnderstandingtheSafetyInterlock
System
Thesafetyinterlocksystemisdesignedtopreventthe
mowerbladesfromrotatingunless:
•Therightsidemotioncontrolleverismovedtothe
center,un-lockedposition.
•Thebladecontrolswitch(PTO)ispulledon.
Thesafetyinterlocksystemisdesignedtostopthe
mowerbladesifyoumoveorreleasetherightside
motioncontrolleverintotheneutrallockposition.
Thehourmeterhassymbolstonotifytheuserwhen
theinterlockcomponentisinthecorrectposition.
Whenthecomponentisinthecorrectposition,a
trianglewilllightupinthecorrespondingsquare.
Figure19
1.Triangleslightupwhentheinterlockcomponentsareinthe
correctposition
TestingtheSafetyInterlockSystem
ServiceInterval:Beforeeachuseordaily
Testthesafetyinterlocksystembeforeyouusethe
machineeachtime.
Note:Ifthesafetysystemdoesnotoperateas
describedbelow,haveanAuthorizedServiceDealer
repairthesafetysystemimmediately.
1.Starttheengine;refertoStarting
andStoppingtheEnginein
StartingandStoppingtheEngine(page18).
2.Settheparkingbrake.
3.Movetherightsidemotioncontrollevertothe
center,un-lockedposition.Thebladesshould
notrotate.
4.Movethemotioncontrolleversforward.The
engineshouldkill.
5.Starttheengineandreleasetheparkingbrake.
6.Movetherightsidemotioncontrollevertothe
center,un-lockedposition.
7.Continueholdingtherightsidemotioncontrollever
inthecenter,un-lockedpositionandpulluponthe
bladecontrolswitch(PTO)andrelease.Theclutch
shouldengageandthemowerbladesbeginrotating.
8.Moveorreleasetherightsidemotioncontrollever
intotheneutrallockposition.Thebladesshould
stoprotatingandtheenginecontinuestorun.
9.Pushthebladecontrolswitchdownandmove
therightsidemotioncontrollevertothecenter,
un-lockedposition.
10.Continueholdingtherightsidemotioncontrollever
inthecenter,un-lockedpositionandpulluponthe
bladecontrolswitch(PTO)andrelease.Theclutch
shouldengageandthemowerbladesbeginrotating.
11.Pushthebladecontrolswitch(PTO)downtothe
offposition.Thebladesshouldstoprotating.
12.Withtheenginerunning,pullupthebladecontrol
switch(PTO)andreleasewithoutholdingright
sidemotioncontrollevertothecenter,un-locked
position.Thebladesshouldnotrotate.
WARNING
Theoperatorplatformisheavyandmaycause
injurywhenloweringandraisingtheoperator
platform.Theplatformmaysuddenlydropifnot
supportedwhenthelatchpinispulledout.
•Donotputhandsorngersintheplatform
pivotareawhenloweringorraisingtheoperator
platform.
•Makesuretheplatformissupportedwhenthe
latchpinispulledout.
•Makesurethelatchsecurestheplatformwhen
foldingitintheupposition.Pushittight
againstthecushionforthelatchpintolock
intoplace.
•Keepbystandersawaywhenraisingorlowering
theplatform.
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