Toro 74950 - Using the Safety-Interlock System; Understanding the Safety-Interlock System; Testing the Safety-Interlock System; Driving Forward or Backward

Important:Makesurethatthefuelshutoffvalveis
closedbeforetransportingorstoringthemachine,as
fuelleakagemayoccur.Settheparkingbrakebefore
transporting.Makesuretoremovethekeyasthefuel
pumpmayrunandcausethebatterytolosecharge.
UsingtheSafety-Interlock
System
CAUTION
Ifsafety-interlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
UnderstandingtheSafety-Interlock
System
Thesafety-interlocksystemisdesignedtopreventtheengine
fromstartingunless:
•Theparkingbrakeisengaged.
•Theblade-controlswitch(PTO)isdisengaged.
•Themotion-controlleversareintheNEUTRAL-LOCK
position.
Thesafety-interlocksystemalsoisdesignedtoshutoffthe
enginewhenyoumovethetractioncontrolsfromthelocked
positionwiththeparkingbrakeengagedorifyourisefrom
theseatwhenthePTOisengaged.
Thehourmeterhassymbolstonotifytheuserwhenthe
interlockcomponentisinthecorrectposition.Whenthe
componentisinthecorrectposition,atrianglelightsupin
thecorrespondingsquare.
G009181
1
Figure22
1.Triangleslightupwhentheinterlockcomponentsareinthe
correctposition
TestingtheSafety-InterlockSystem
ServiceInterval:Beforeeachuseordaily
Testthesafety-interlocksystembeforeyouusethemachine
eachtime.Ifthesafetysystemdoesnotoperateasdescribed
below,haveanAuthorizedServiceDealerrepairthesafety
systemimmediately.
1.Sittingontheseat,engagetheparkingbrakeandmove
theblade-controlswitch(PTO)totheONposition.
Trystartingtheengine;theengineshouldnotcrank.
2.Sittingontheseat,engagetheparkingbrakeand
movetheblade-controlswitch(PTO)totheOFF
position.Moveeithermotion-controllever(outofthe
NEUTRAL-LOCKposition).Trystartingtheengine;the
engineshouldnotcrank.Repeatfortheothercontrol
lever.
3.Sittingontheseat,engagetheparkingbrake,movethe
blade-controlswitch(PTO)totheOFFposition,and
movethemotion-controlleverstotheNEUTRAL-LOCK
position.Nowstarttheengine.Whiletheengine
isrunning,releasetheparkingbrake,engagethe
blade-controlswitch(PTO)andriseslightlyfromthe
seat;theengineshouldstop.
4.Sittingontheseat,engagetheparkingbrake,movethe
blade-controlswitch(PTO)totheOFFposition,and
movethemotion-controlleverstotheNEUTRAL-LOCK
position.Nowstarttheengine.Whiletheengine
isrunning,centereithermotioncontrolandmove
(forwardorreverse);theengineshouldstop.Repeat
forothermotioncontrol.
5.Sittingontheseat,disengagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controlleverstothe
NEUTRAL-LOCKposition.Trystartingtheengine;the
engineshouldnotcrank.
DrivingForwardorBackward
Thethrottlecontrolregulatestheenginespeedasmeasured
inrpm(revolutionsperminute).Placethethrottlecontrolin
theFASTpositionforbestperformance.
CAUTION
Machinecanspinveryrapidly.Youmaylose
controlofmachineandinjureyourselfordamage
themachine.
•Usecautionwhenmakingturns.
•Slowthemachinedownbeforemakingsharp
turns.
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