Toro DH 220 - Safety Interlock System Operation; Reverse Mowing and KeyChoice Switch

Note:Tostartawarmengine,pushinthe
chokeknob.
7.Turntheignitionkeyclockwiseandholditinthe
Startposition(Figure10).
g017884
Figure10
1.Ignitionkey4.Lights
2.Start5.Off
3.On
Note:Whentheenginestarts,releasethekey.
Important:Iftheenginedoesnotstartafter
15secondsofcontinuouscranking,turnthe
ignitionkeytoOffandletthestartermotor
coolfor2minutes;refertoTroubleshooting
(page36).
8.Aftertheenginestarts,slowlyshiftthethrottle
controllevertotheFastposition(Figure9).
StoppingtheEngine
1.MovethethrottlecontrollevertotheSlow
position(Figure9).
Note:Iftheenginebackres,shiftthethrottle
controllevertotheFastpositionbeforestopping
theengine.
2.TurntheignitionkeytotheOffposition(Figure
10).
Note:Iftheenginehasbeenworkinghardor
ishot,letitidleforaminutebeforeturningthe
ignitionkeytotheOffposition.Thisallowsthe
enginetocooltheenginebeforeyoustopit.You
maystoptheengineinanemergencybyturning
theignitionkeytotheOffposition.
UsingtheSafetyInterlock
System
ServiceInterval:Beforeeachuseordaily
CAUTION
Ifthesafetyinterlockswitchesare
disconnectedordamaged,themachinecould
operateunexpectedly,causingpersonal
injury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthemachine.
•Replaceswitchesevery2yearsregardless
ofwhethertheyareoperatingproperlyor
not.
UnderstandingtheSafetyInterlock
System
Thesafetyinterlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Youaresittingontheseat.
•Thebrakepedalisdepressed.
•Thebladecontrol(PTO)knobisintheDisengaged
position.
•ThetractioncontrolpedalisintheNeutralposition.
Thesafetyinterlocksystemstopstheengineifyou
risefromtheseatandthetractioncontrolpedalisnot
intheNeutralposition,theparkingbrakeisnotset,
orthebladecontrol(PTO)knobisintheEngaged
position.
Thesafetyinterlocksystemisdesignedtostopthe
mowerif:
•YoushiftintoReversewiththeblades(PTO)
engaged.
•Youremovethebagordumpthegrass.
SettingtheKeyChoice
®
Switchto
OperateinReverse
Theinterlockfeatureonthemachinepreventsthe
powertake-off(PTO)fromoperatingwhenyouback
upthemachine.Ifyouoperatethemachineinreverse
withtheblades(PTO)engaged(i.e.,withthemower
bladesorotherattachmentrunning),thebladeswill
stop.Donotmowinreverseunlessitisabsolutely
necessary.
Ifyouneedtousetheblades(PTO)whilebacking
up,turnofftheinterlockfeatureusingtheKeyChoice
switchlocatedneartheseatbracket(Figure11).
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