Exmark LAZER Z DS-SERIES - Maintenance; Check Safety Interlock System; Check Rollover Protections Systems (Roll Bar) Pins; Check Seat Belt

Maintenance
WARNING
Incorrectinstallationofthebladeor
componentsusedtoretainthebladecan
bedangerous.Failuretousealloriginal
componentsandassembledasshowncould
allowabladeorbladecomponenttobe
thrownoutfromunderthedeckresultingin
seriouspersonalinjuryordeath.
AlwaysinstalltheoriginalExmarkblades,
bladebushings,andbladeboltsasshown.
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
onesecondhaselapsedifthehandlesarein.The
delaywillbe1/2secondifthehandlesareout.
Runengineatone-thirdthrottle,withbrake
disengaged,moveleversinandraiseoffseat(but
donotgetoffofmachine)enginemustinitiate
shutdownafter1/2secondhaselapsed.
Again,runengineatone-thirdthrottle,brake
engaged,andmoveleftmotioncontrollever
in-enginemustinitiateshutdownafter1/2
secondhaselapsed.
Repeatagainmovingtherightleverin,then
movingbothleversin-enginemustinitiate
shutdownafter1/2secondhaselapsedwhether
operatorisonseatornot.
Note:Ifmachinedoesnotpassanyofthesetests,
donotoperate.ContactyourauthorizedEXMARK
SERVICEDEALER.
Important:Itisessentialthatoperatorsafety
mechanismsbeconnectedandinproper
operatingconditionpriortouseformowing.
CheckRolloverProtections
Systems(RollBar)Pins
ServiceInterval:Beforeeachuseordaily
Makesurelatchpinandhairpinarefullyinstalled
andlanyardisingoodcondition.
CheckSeatBelt
ServiceInterval:Beforeeachuseordaily
Visuallyinspectseatbeltforwear,cuts,andproper
operationofretractorandbuckle.Replacebefore
operatingifdamaged.
CheckforLooseHardware
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.Engageparkingbrake.
2.Visuallyinspectmachineforanyloosehardware
oranyotherpossibleproblem.Tightenhardware
orcorrecttheproblembeforeoperating.
ServiceAirCleaner
ServiceInterval:Every50hours—Service
theaircleaner.(May
needmoreoftenunder
severeconditions.See
33