UsingtheSafetyInterlock
System
ServiceInterval:Beforeeachuseordaily
Ifthesafetyinterlockswitchesaredisconnected
ordamaged,thetractorcouldoperate
unexpectedly,causingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthetractor.
UnderstandingtheSafetyInterlock
System
Thesafetyinterlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Youaresittingontheseat.
•Thebrakepedalisdepressed.
•Thebladecontrol(PTO)isintheDisengage
position.
Thesafetyinterlocksystemisdesignedtostopthe
engineifyoudothefollowing:
•Yourisefromtheseatwhenthebrakepedalis
released.
•Yourisefromtheseatwhilethebladecontrol
(PTO)isintheEngageposition.
•Youshiftintoreversewhilethebladecontrol(PTO)
isintheEngageposition.
SettingtheKeyChoiceSwitchto
OperateinReverse
Aninterlockfeatureonthetractorpreventsthepower
take-off(PTO)fromoperatingwhenyoubackupthe
tractor.Ifyoushiftthetractioncontrolswitchinto
Reversewiththebladecontrol(PTO)engaged(i.e.,
withthemowerbladesorotherattachmentrunning),
theenginewillstop.Donotmowinreverseunlessit
isabsolutelynecessary.
Ifyouneedtousethebladecontrol(PTO)while
backingup,turnofftheinterlockfeatureusingthe
KeyChoiceswitchlocatedneartheseatbracket
(Figure11).
Figure11
1.KeyChoiceswitch
Youcouldbackoverachildorbystander
whilethemowerbladesorotherattachmentis
engagedandcauseseriousinjuryordeath.
•Donotmowinreverseunlessitisabsolutely
necessary.
•DonotinserttheKeyChoicekeyunlessitis
absolutelynecessary.
•Alwayslookbackwardanddownbefore
backingup.
•UsetheKeyChoiceswitchonlyifyouare
certainnochildrenorotherbystanderswill
enterthemowingarea.
•Beveryobservantafterdeactivatingthe
interlockbecausethesoundoftheengine
maypreventyoufromnoticingthatachild
orbystanderhasenteredtheworkarea.
•Alwaysremoveboththeignitionand
KeyChoicekeysandputtheminasafeplace
outofthereachofchildrenorunauthorized
userswhenleavingthetractorunattended.
1.Engagethebladecontrol(PTO).
2.InserttheKeyChoicekeyintotheswitch(Figure11).
3.TurntheKeyChoicekey.
Note:Aredlightonthefrontconsole(Figure12)
turnson,indicatingthattheinterlockisdisabled.
14