Toro TimeCutter MX 3450 - Safety Interlock System; Understanding and Testing Safety Interlocks

Figure9
1.Safezone—usethe
machinehere.
3.Water
2.Useawalk-behindmower
and/orhandtrimmernear
drop-offsandwater.
CAUTION
Thismachineproducessoundlevelsinexcessof
85dBAattheoperator’searandcancausehearing
lossthroughextendedperiodsofexposure.
Wearhearingprotectionwhenoperatingthis
machine.
Theuseofprotectiveequipmentforeyes,ears,hands,and
feetisrecommended.
G009027
1
2
Figure10
1.Weareyeprotection.2.Wearhearingprotection.
Understandingthe
Safety-InterlockSystem
WARNING
Ifthesafety-interlockswitchesaredisconnectedor
damaged,themachinecouldoperateunexpectedly,
causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlockswitches
dailyandreplaceanydamagedswitchesbefore
operatingthemachine.
Thesafety-interlocksystemisdesignedtopreventtheengine
fromstartingunless:
•Thebladesaredisengaged.
•Themotion-controlleversareinthePARKposition.
Thesafety-interlocksystemalsoisdesignedtoshutoffthe
enginewheneverthecontrolleversareoutofthePARK
positionandyourisefromtheseat.
TestingtheSafety-Interlock
System
Testthesafety-interlocksystembeforeyouusethemachine
eachtime.Ifthesafetysystemdoesnotoperateasdescribed
below,haveanAuthorizedServiceDealerrepairthesafety
systemimmediately.
1.Whilesittingontheseat,withthecontrolleversinthe
PARKposition,andmovetheblade-controlswitchto
theONposition.Trystartingtheengine;theengine
shouldnotstart.
2.Whilesittingontheseat,movetheblade-controlswitch
totheOFFposition.Moveeithermotioncontrol
levertothecenter,unlockedposition.Trystartingthe
engine;theengineshouldnotstart.Repeatwiththe
othermotion-controllever.
3.Whilesittingontheseat,movethebladecontrolswitch
totheOFFposition,andlockthemotion-controllevers
inthePARKposition.Starttheengine.Whilethe
engineisrunning,engagetheblade-controlswitch,and
riseslightlyfromtheseat;theengineshouldshutoff.
4.Whilesittingontheseat,movetheblade-controlswitch
totheOFFposition,andlockthemotion-controllevers
inthePARKposition.Starttheengine.Whilethe
engineisrunning,movethemotion-controlleversto
thecenter,unlockedposition,engagetheblade-control
switch,andriseslightlyfromtheseat;theengine
shouldshutoff.
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