DisengagingtheBladeControlSwitch
(PTO)
Figure20
TheSafetyInterlockSystem
Ifsafetyinterlockswitchesaredisconnected
ordamagedthemachinecouldoperate
unexpectedlycausingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthemachine.
UnderstandingtheSafetyInterlock
System
Thesafetyinterlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Theparkingbrakeisengaged.
•Thebladesaredisengaged.
•Themotioncontrolleversareintheneutrallock
position.
Thesafetyinterlocksystemalsoisdesignedtostopthe
enginewhenthecontrolleversareoutoftheneutral
lockpositionwiththeparkingbrakeonorifyourise
fromtheseatwhenthebladesareengaged.
TestingtheSafetyInterlockSystem
Testthesafetyinterlocksystembeforeyouusethe
machineeachtime.Ifthesafetysystemdoesnot
operateasdescribedbelow,haveanAuthorizedService
Dealerrepairthesafetysystemimmediately.
1.Whilesittingontheseat,engagetheparkingbrake
andmovethebladecontrolswitchtoOn.Try
startingtheengine;theengineshouldnotcrank.
2.Whilesittingontheseat,engagetheparkingbrake
andmovethebladecontrolswitchtoOff.Move
eithermotioncontrollever(forwardorreverse).
Trystartingtheengine;theengineshouldnotcrank.
Repeatwiththeothermotioncontrollever.
3.Whilesittingontheseat,engagetheparkingbrake,
movethebladecontrolswitchtoOff,andlockthe
motioncontrolleversinneutral.Starttheengine.
Whiletheengineisrunning,releasetheparking
brake,engagethebladecontrolswitch,andrise
slightlyfromtheseat;theengineshouldstop.
4.Whilesittingontheseat,engagetheparkingbrake,
movethebladecontrolswitchtoOff,andlockthe
motioncontrolleversinneutral.Starttheengine.
Whiletheengineisrunning,centerthemotion
controlsandmove(forwardorreverse);theengine
shouldstop.
DrivingForwardorBackward
Thethrottlecontrolregulatestheenginespeedas
measuredinrpm(revolutionsperminute).Place
thethrottlecontrolinthefastpositionforbest
performance.Alwaysoperateinthefullthrottle
positionwhenmowing.
Machinecanspinveryrapidly.Operatormay
losecontrolofmachineandcausepersonal
injuryordamagetomachine.
•Usecautionwhenmakingturns.
•Slowthemachinedownbeforemaking
sharpturns.
20