Operator's Manual

UsingtheSafety-Interlock
System
WARNING
Ifthesafety-interlockswitchesare
disconnectedordamaged,themachinecould
operateunexpectedly,causingpersonal
injury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock
switchesdailyandreplaceanydamaged
switchesbeforeoperatingthemachine.
Understandingthe
Safety-InterlockSystem
Thesafety-interlocksystemisdesignedtopreventthe
enginefromstartingunless:
•Theblade-controlswitch(PTO)isdisengaged.
•Themotion-controlleversareintheNEUTRAL-LOCK
position.
•Theparkingbrakeisengaged.
Thesafety-interlocksystemisalsodesignedtoshutoff
theenginewhenthetractioncontrolsaremovedfrom
thelockedpositionwiththeparkingbrakeengagedor
ifyourisefromtheseatwhenthePTOisengaged.
Thehourmeterhassymbolstonotifytheuserwhen
theinterlockcomponentisinthecorrectposition.
Whenthecomponentisinthecorrectposition,a
trianglelightsupinthecorrespondingsquare.
g187670
Figure11
1.Triangleslightupwhentheinterlockcomponentsareinthe
correctposition
TestingtheSafety-Interlock
System
ServiceInterval:Beforeeachuseordaily
Testthesafety-interlocksystembeforeyouusethe
machineeachtime.Ifthesafetysystemdoesnot
operateasdescribedbelow,haveanAuthorized
ServiceDealerrepairthesafetysystemimmediately.
1.Sitontheseat,engagetheparkingbrake,and
movetheblade-controlswitch(PTO)totheON
position.Trystartingtheengine;theengine
shouldnotcrank.
2.Sitontheseat,engagetheparkingbrake,and
movetheblade-controlswitch(PTO)totheOFF
position.Moveeithermotion-controllever(out
oftheNEUTRAL-LOCKposition).Trystartingthe
engine;theengineshouldnotcrank.Repeatfor
othercontrollever.
3.Sitontheseat,engagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controlleversto
theNEUTRAL-LOCKposition.Starttheengine.
Whiletheengineisrunning,disengagethe
parkingbrake,engagetheblade-controlswitch
(PTO),andriseslightlyfromtheseat;theengine
shouldshutoff.
4.Sitontheseat,engagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controllevers
toNEUTRAL-LOCKposition.Starttheengine.
Whiletheengineisrunning,centereither
motion-controlleverandmoveitforwardor
reverse;theengineshouldshutoff.Repeatfor
othermotion-controllever.
5.Sitontheseat,disengagetheparkingbrake,
movetheblade-controlswitch(PTO)totheOFF
position,andmovethemotion-controlleversto
NEUTRAL-LOCKposition.Trystartingtheengine;
theengineshouldnotcrank.
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