4.Whileholdingtheassemblyinplace,carefullytilt
theheadlightdownward3°thentightenthenut.
5.Repeatthisprocedureontheotherheadlight.
Checkingthe
Safety-InterlockSwitches
CAUTION
Ifsafety-interlockswitchesaredisconnected
ordamaged,themachinecouldpotentially
operateunexpectedly,causingpersonal
injury.
•Donottamperwithordisablethesafety
systems.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthemachine.
Themachinesafety-interlocksystemisdesignedto
disablethetractiondrivewhentheoperatorleaves
theseatwiththetractionpedaloutoftheNEUTRAL
position.Thedeckdrivealsodisengagesunderthe
samecondition.However,youmaygetofftheseat
whiletheengineisrunningifthetractionpedalisin
theNEUTRALposition.
1.Drivethemachineslowlytoalarge,openarea.
2.Lowerthecuttingunit(s),shutofftheengine,
andengagetheparkingbrake.
CheckingtheTractionNeutral
Safety-InterlockFunction
1.MovethetractionpedaloutoftheNEUTRAL
positionandstarttheengine.
Note:Theengineshouldnotstart.Ifitdoes
start,thereisamalfunctionintheinterlock
systemthatyoushouldcorrectbeforeresuming
operation.
2.Removeyourfootfromthetractionpedal,start
theengine,andengagetheparkingbrake.
3.Withtheenginerunning,movethetractionpedal
outoftheNEUTRALposition.
Note:Thetractiondriveshouldnotfunction.
Ifitdoesfunction,thereisamalfunctioninthe
interlocksystemthatyoushouldcorrectbefore
resumingoperation.
CheckingthePTOSafety-Interlock
Function
1.Starttheengine.
2.Withtheenginerunning,risefromtheseatand
engagethePTO.
Note:ThePTOshouldnotengage.Ifitdoes
engage,thereisamalfunctionintheinterlock
systemthatyoushouldcorrectbeforeresuming
operation.
3.SitontheseatanddisengagethePTO.
4.Withtheenginerunning,engagethePTOand
risefromtheseat.
Note:ThePTOdriveshoulddisengageaftera
1-seconddelay.Ifitdoesnotshutoff,thereis
amalfunctionintheinterlocksystemthatyou
shouldcorrectbeforeresumingoperation.
5.Sitontheseat,disengagethePTO,andstart
theengine.
6.Withtheenginerunning,engagethePTOand
raiseeachcuttingunitindividually.
Note:Thebladesoftheraisedcuttingunit
shouldstop.Ifthebladesdonotstop,thereis
amalfunctionintheinterlocksystemthatyou
shouldcorrectbeforeresumingoperation.
CheckingtheBlade
StoppingTime
ServiceInterval:Beforeeachuseordaily
Thebladesofthecuttingunitshouldcometoa
completestopinapproximately5secondsafteryou
shutdownthemower-deck-engagementswitch.
Note:Ensurethatthedecksareloweredontoa
cleansectionofturforhardsurfacetoavoidthrown
dustanddebris.Toverifythestoppingtime,have
someonestandbackfromthedeckatleast6m(20ft)
andwatchthebladeson1ofthecuttingunits.Shut
thecuttingunitsdownandrecordthetimethatittakes
forthebladestocometoacompletestop.Ifthetime
isgreaterthan7seconds,adjustthebrakingvalve;
contactyourauthorizedT orodistributorforassistance
inmakingthisadjustment.
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