Maintenance
Figure11
1.DoNotusewrenchhereforbladeinstallation.Maintain
140–145ft-lb(190–197N-m)
2.Use1inchwrenchheretoholdspindleforblade
replacement.
3.Conetowardsbolthead
4.Torqueto115–120ft-lb(156–163N-m)
WARNING
Incorrectinstallationofthebladeor
componentsusedtoretainthebladecan
bedangerous.Failuretousealloriginal
componentsandassembledasshowncould
allowabladeorbladecomponenttobe
thrownoutfromunderthedeckresultingin
seriouspersonalinjuryordeath.
AlwaysinstalltheoriginalExmarkblades,
springdiscwashers,andbladeboltsas
shown.

CheckSafetyInterlock

System

ServiceInterval:Beforeeachuseordaily
Note:Topreventenginecut-outsonroughterrain
theseatkillswitchhasa1/2seconddelay.
1.Checkstartingcircuit.Startershouldcrankwith,
parkingbrakeengaged,PTOdisengagedand
motioncontrolleversmovedoutintheneutral
lockposition.Theoperatordoesnotneedtobe
intheseattostarttheengine.
Trytostartwithoperatorinseat,parkingbrake
disengaged,PTOdisengagedandmotioncontrol
leversintheneutrallockposition-startermust
notcrank.
Trytostartwithoperatorinseat,parkingbrake
engaged,PTOengagedandmotioncontrol
leversintheneutrallockposition-startermust
notcrank.
Trytostartwithoperatorinseat,parking
brakeengaged,PTOdisengaged,andtheleft
motioncontrolleverin,startermustnotcrank,
repeatagainwiththerightleverin,thenwith
bothleversin-startermustnotcrank.
2.Checkthekillcircuits.Runengineatone-third
throttle,disengageparkingbrakeandraiseoff
ofseat(butdonotgetoffofmachine)engine
mustinitiateshutdownafterapproximately1/2
secondhaselapsed(seathastimedelaykillswitch
topreventcut-outsonroughterrain).
Runengineatone-thirdthrottle,engagePTO
andraiseoffofseat(butdonotgetoffof
machine)enginemustinitiateshutdownafter
1/2secondhaselapsed.
Runengineatone-thirdthrottle,withbrake
disengaged,moveleversinandraiseoffseat(but
donotgetoffofmachine)enginemustinitiate
shutdownafter1/2secondhaselapsed.
Again,runengineatone-thirdthrottle,brake
engaged,andmoveleftmotioncontrolleverin
-enginemustinitiateshutdown.
Repeatagainmovingtherightleverin,then
movingbothleversin-enginemustinitiate
shutdownwhetheroperatorisonseatornot.
Note:Ifmachinedoesnotpassanyofthesetests,
DoNotoperate.ContactyourauthorizedEXMARK
SERVICEDEALER.
Important:Itisessentialthatoperatorsafety
mechanismsbeconnectedandinproper
operatingconditionpriortouseformowing.

CheckforLooseHardware

ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Visuallyinspectmachineforanyloosehardware
oranyotherpossibleproblem.Tightenhardware
orcorrecttheproblembeforeoperating.
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