Toro GrandStand 74583 - The Safety-Interlock System

TheSafety-InterlockSystem
CAUTION
Ifsafety-interlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
UnderstandingtheSafety-Interlock
System
Thesafety-interlocksystemisdesignedtopreventthemower
bladesfromrotatingunless:
•Therightsidemotion-controlleverismovedtothe
center,unlockedposition.
•Theblade-controlswitch(PTO)ispulledon.
Thesafety-interlocksystemisdesignedtostopthemower
bladesifyoumoveorreleasetherightsidemotion-control
leverintotheneutral-lockposition.
Thehourmeterhassymbolstonotifytheuserwhenthe
interlockcomponentisinthecorrectposition.Whenthe
componentisinthecorrectposition,atrianglewilllight
upinthecorrespondingsquare.
Figure17
1.Triangleslightupwhentheinterlockcomponentsareinthe
correctposition
TestingtheSafety-InterlockSystem
ServiceInterval:Beforeeachuseordaily
Testthesafety-interlocksystembeforeyouusethemachine
eachtime.
Note:Ifthesafetysystemdoesnotoperateasdescribed
below,haveanAuthorizedServiceDealerrepairthesafety
systemimmediately.
1.Starttheengine;refertoStartingtheEngine(page17).
2.Settheparkingbrake.
3.Movetherightsidemotion-controllevertothecenter,
unlockedposition.
Note:Thebladesshouldnotrotate.
4.Movethemotion-controlleversforward.
Note:Theengineshouldstoprunning.
5.Starttheengineandreleasetheparkingbrake.
6.Movetherightsidemotion-controllevertothecenter,
unlockedposition.
7.Continueholdingtherightsidemotion-controllever
inthecenter,unlockedposition,pulluponthe
blade-controlswitch(PTO),andrelease.
Note:Theclutchshouldengageandthemower
bladesrotate.
8.Moveorreleasetherightsidemotion-controlleverinto
theneutral-lockposition.
Note:Thebladesshouldstoprotatingandtheengine
continuestorun.
9.Pushtheblade-controlswitchdownandmovethe
rightsidemotion-controllevertothecenter,unlocked
position.
10.Continueholdingtherightsidemotion-controllever
inthecenter,unlockedposition,pulluponthe
blade-controlswitch(PTO),andrelease.
Note:Theclutchshouldengageandthemower
bladesrotate.
11.Pushtheblade-controlswitch(PTO)downtotheOff
position.
Note:Thebladesshouldstoprotating.
12.Withtheenginerunning,pulluptheblade-control
switch(PTO)andreleaseitwithoutholdingrightside
motion-controllevertothecenter,unlockedposition.
Note:Thebladesshouldnotrotate.
WARNING
Theoperatorplatformisheavyandmaycause
injurywhenloweringandraising.Theplatform
maysuddenlydropifnotsupportedwhenthelatch
pinispulledout.
•Donotputyourhandsorngersinthe
platform-pivotareawhenloweringorraisingthe
operatorplatform.
•Makesuretheplatformissupportedwhenthe
latchpinispulledout.
•Makesurethelatchsecurestheplatformwhen
foldingitintheupposition.Pushittightagainst
thecushionforthelatchpintolockintoplace.
•Keepbystandersawaywhenraisingorlowering
theplatform.
19