Toro 30857N - Checking the Interlock Switches; Pushing or Towing the Machine

2.Movethethrottlecontroltothelowidleposition.
3.TurntheignitionkeytotheRunposition.Theglow
indicatorwilllight.
4.Whentheglowindicatordims,turntheignitionkey
totheStartposition.
Important:Donotrunthestartermotormore
than15secondsatatimeorprematurestarter
failuremayresult.Iftheenginefailstostartafter
15seconds,turnthekeytotheOffposition,check
thecontrolsandprocedures,wait15additional
seconds,andrepeatthestartingprocedure.
5.Releasethekeyimmediatelywhentheenginestartsand
allowittoreturntotheRunposition.
6.Movethethrottlecontroltothedesiredposition.
Whenthetemperatureislessthan-7°C(20°F),the
startermotorcanberunfor30secondsonthen60
secondsofffor2attempts.
CAUTION
Shuttheengineoffandwaitforallmoving
partstostopbeforecheckingforoilleaks,
looseparts,andothermalfunctions.
StoppingtheEngine
Important:Allowtheenginetoidlefor5minutesbefore
shuttingitoffafterafull-loadoperation.Thisallowsthe
turbochargertocooldownbeforeshuttingtheengine
off.Failuretodosomayleadtoturbochargertrouble.
Note:Lowercuttingunitstothegroundwhenevermachine
isparked.Thisrelievesthehydraulicloadfromthesystem,
preventswearonsystemparts,andalsopreventsaccidental
loweringofthecuttingunits.
1.MovethethrottlecontrolbackwardtotheSlow
position.
2.MovethePTOswitchtotheOffposition.
3.Settheparkingbrake.
4.RotatetheignitionkeytotheOffposition.
5.Removethekeyfromtheswitchtopreventaccidental
starting.
CheckingtheInterlock
Switches
ServiceInterval:Beforeeachuseordaily
CAUTION
Ifsafetyinterlockswitchesaredisconnectedor
damagedthemachinecouldoperateunexpectedly
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
Themachinehasinterlockswitchesintheelectricalsystem.
Theseswitchesaredesignedtostoptheenginewhenoperator
risesfromtheseatwhilepressingthetractionpedal.However,
theoperatormayrisefromtheseatwhiletheengineis
runningandthetractionpedalisinneutral.Althoughthe
enginewillcontinuetorunifthePTOswitchisdisengaged
andthetractionpedalisreleased,stoptheenginebefore
risingfromtheseat.
Tochecktheoperationoftheinterlockswitches,perform
thefollowingprocedure:
1.Drivethemachineslowlytoalarge,relativelyopen
area.Lowerthecuttingunit,stoptheengine,andapply
theparkingbrake.
2.Sitontheseatanddepressthetractionpedal.Tryto
starttheengine.Theengineshouldnotcrank.Ifthe
enginecranks,thereisamalfunctionintheinterlock
systemthatshouldbecorrectedbeforebeginning
operation.
3.Sitontheseatandstarttheengine.Risefromtheseat
andmovethePTOswitchtoOn.ThePTOshould
notengage.IfthePTOengages,thereisamalfunction
intheinterlocksystemthatshouldbecorrectedbefore
beginningoperation.
4.Sitontheseat,engagetheparkingbrakeandstartthe
engine.Movethetractionpedaloutoftheneutral
position.Theengineshouldkill.Iftheenginedoesnot
kill,thereisamalfunctionintheinterlocksystemthat
shouldbecorrectedbeforebeginningoperation.
PushingorTowingthe
Machine
Inanemergency,youcanmovethemachineforwardby
actuatingthebypassvalveinthevariabledisplacement
hydraulicpumpandpushingortowingthemachine.Donot
pushortowthemachineformorethan0.4km(1/4mile).
Important:Donotpushortowthemachinefaster
than3to4.8km/h(2to3mph),becauseinternal
transmissiondamagemayoccur.Thebypassvalvemust
beopenwheneverthemachineispushedortowed.
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