Exmark Frontrunner 4500-497 User manual

FRONTRUNNERTM
AIR-COOLEDMODELS
ForSerialNos.
790,000&Higher
PartNo.4500-497Rev.A

WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,or
otherreproductiveharm.
Important:Whenthemowerisusedoroperated
onanyCaliforniaforest,brushorgrasscovered
land,aworkingsparkarrestermustbeattached
tothemufer.Ifnot,theoperatorisviolating
statelaw,Section4442PublicResourceCode.To
acquireasparkarresterforyourunit,seeyour
EngineServiceDealer.
ThissparkignitionsystemcomplieswithCanadian
ICES-002Cesystèmed’allumageparètincellede
vèhiculeestconformeàlanormeNMB-002du
Canada
TheenclosedEngineOwner’sManualis
suppliedforinformationregardingTheU.S.
EnvironmentalProtectionAgency(EPA)and
theCaliforniaEmissionControlRegulationof
emissionsystems,maintenanceandwarranty.
KeepthisengineOwner’sManualwithyourunit.
ShouldthisengineOwner’sManualbecome
damagedorillegible,replaceimmediately.
Replacementsmaybeorderedthroughthe
enginemanufacturer.
Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2008—ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE683102
Contactusatwww.Exmark.com.
PrintedintheUSA
AllRightsReserved

Introduction
CONGRATULATIONSonthepurchaseofyour
ExmarkMower.Thisproducthasbeencarefully
designedandmanufacturedtogiveyouamaximum
amountofdependabilityandyearsoftrouble-free
operation.
Thismanualcontainsoperating,maintenance,
adjustment,andsafetyinstructionsforyourExmark
mower.
BEFOREOPERATINGYOURMOWER,
CAREFULLYREADTHISMANUALINITS
ENTIRETY.
Byfollowingtheoperating,maintenance,andsafety
instructions,youwillprolongthelifeofyourmower,
maintainitsmaximumefciency,andpromotesafe
operation.
Ifadditionalinformationisneeded,orshouldyou
requiretrainedmechanicservice,contactyour
authorizedExmarkequipmentdealerordistributor.
AllExmarkequipmentdealersanddistributorsare
keptinformedofthelatestmethodsofservicing
andareequippedtoprovidepromptandefcient
serviceintheeldorattheirservicestations.They
carryamplestockofservicepartsorcansecurethem
promptlyforyoufromthefactory.
AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.
Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
3

Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals.....................11
Specications.......................................................15
ModelNumbers............................................15
Systems.........................................................15
Dimensions...................................................17
TorqueRequirements....................................17
ProductOverview................................................18
Operation.............................................................18
Controls........................................................18
Pre-Start........................................................19
OperatingInstructions..................................20
Transporting.................................................22
Maintenance.........................................................24
RecommendedMaintenanceSchedule(s)...........24
PeriodicMaintenance.......................................25
CheckEngineOilLevel.................................25
CheckBatteryCharge....................................25
CheckSafetyInterlockSystem.......................26
CheckRolloverProtectionsSystems(Roll
Bar)Pins...................................................27
CheckSeatBelt..............................................27
CheckforLooseHardware............................27
ServiceAirCleaner........................................27
ChangeEngineOil........................................27
CheckHydraulicOilLevel.............................27
CheckTirePressures.....................................28
CheckConditionOfBelts..............................28
LubricateGreaseFittings...............................28
LubricateRearCasterWheelHub(s)...............29
LubricateBrakeHandlePivot........................30
LubricateBrakeRodBushings.......................30
LubricateMotionControlBronze
Bushings...................................................30
LubricateMotionControlShaft.....................30
LubricateSteeringLinkageRodEnds.............30
CheckSparkPlugs.........................................30
ChangeHydraulicSystemFilter.....................31
CheckWheelHubLocknuts..........................31
ThreadLockingAdhesives.............................31
DielectricGrease...........................................32
Adjustments.....................................................32
PumpDriveBeltTension...............................32
PumpDriveBeltReplacement.......................32
ParkBrakeAdjustment..................................32
MotionControlLinkageAdjustment.............33
WeightTransferSpringAdjustment...............34
CasterPivotBearingsPre-Load
Adjustment...............................................35
ClutchShim..................................................35
Cleaning...........................................................37
CleanEngineCoolingSystem........................37
RemoveAccumulatedDebrisfrom
Engine(Briggs&StrattonUnits
Only).........................................................37
RemoveEngineShroudsandCleanCooling
Fins...........................................................38
WasteDisposal..............................................38
Troubleshooting...................................................39
Schematics...........................................................41
4

Safety
Safety
SafetyAlertSymbol
ThisSafetyAlertSymbol(Figure2)isusedbothin
thismanualandonthemachinetoidentifyimportant
safetymessageswhichmustbefollowedtoavoid
accidents
Thissymbolmeans:ATTENTION!BECOME
ALERT!YOURSAFETYISINVOLVED!
Figure2
1.Safetyalertsymbol
Thesafetyalertsymbolappearsaboveinformation
whichalertsyoutounsafeactionsorsituations
andwillbefollowedbythewordDANGER,
WARNING,orCAUTION.
DANGER:Whitelettering/Redbackground.
Indicatesanimminentlyhazardoussituationwhich,if
notavoided,Willresultindeathorseriousinjury.
WARNING:Blacklettering/Orangebackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Couldresultindeathorseriousinjury.
CAUTION:Blacklettering/Yellowbackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Mayresultinminorormoderateinjury.
Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizes
generalinformationworthyofspecialattention.
SafeOperatingPractices
Training
•ReadtheOperator’sManualandothertraining
material.Iftheoperator(s)ormechanic(s)can
notreadEnglishitistheowner’sresponsibilityto
explainthismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperate
orservicetheequipment.Localregulationsmay
restricttheageoftheoperator.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyand
safelyperformthejob.Onlyuseaccessoriesand
attachmentsapprovedbyExmark.
•Wearappropriateclothingincludingsafetyglasses,
substantialfootwear,longtrousers,andhearing
protection.DoNotoperatewhenbarefootor
whenwearingopensandals.Longhair,loose
clothingorjewelrymaygettangledinmoving
parts.
CAUTION
Thismachineproducessoundlevelsin
excessof85dBAattheoperator’searand
cancausehearinglossthroughextended
periodsofexposure.
Wearhearingprotectionwhenoperatingthis
machine.
•Inspecttheareawheretheequipmentistobe
usedandremoveallrocks,toys,sticks,wires,
bones,andotherforeignobjectswhichcanbe
thrownbythemachineandmaycausepersonal
injurytotheoperatororbystanders.
5

Safety
DANGER
Incertainconditionsgasolineisextremely
ammableandvaporsareexplosive.
Areorexplosionfromgasolinecanburn
you,others,andcausepropertydamage.
•Fillthefueltankoutdoorsinanopen
area,whentheengineiscold.Wipeup
anygasolinethatspills.
•Neverrellthefueltankordrainthe
machineindoorsorinsideanenclosed
trailer.
•DoNotllthefueltankcompletely
full.Addgasolinetothefueltankuntil
thelevelis1/4to1/2inch(6–13mm)
belowthebottomofthellerneck.This
emptyspaceinthetankallowsgasoline
toexpand.
•Neversmokewhenhandlinggasoline,
andstayawayfromanopenameor
wheregasolinefumesmaybeignitedby
spark.
•Storegasolineinanapprovedcontainer
andkeepitoutofthereachofchildren.
•Addfuelbeforestartingtheengine.
Neverremovethecapofthefueltankor
addfuelwhenengineisrunningorwhen
theengineishot.
•Iffuelisspilled,DoNotattempttostart
theengine.Moveawayfromtheareaof
thespillandavoidcreatinganysourceof
ignitionuntilfuelvaporshavedissipated.
•DoNotoperatewithoutentireexhaust
systeminplaceandinproperworking
condition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleasedcausingaspark
whichcanignitegasolinevapors.Areor
explosionfromgasolinecanburnyouand
othersandcausepropertydamage.
•Alwaysplacegasolinecontainersonthe
groundawayfromyourvehiclebefore
lling.
•DoNotllgasolinecontainersinsidea
vehicleoronatruckortrailerbedbecause
interiorcarpetsorplastictruckbedliners
mayinsulatethecontainerandslowthe
lossofanystaticcharge.
•Whenpractical,removegas-powered
equipmentfromthetruckortrailerand
refueltheequipmentwithitswheelson
theground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfroma
portablecontainer,ratherthanfroma
gasolinedispensernozzle.
•Ifagasolinedispensernozzlemustbe
used,keepthenozzleincontactwiththe
rimofthefueltankorcontaineropening
atalltimesuntilfuelingiscomplete.
WARNING
Gasolineisharmfulorfatalifswallowed.
Long-termexposuretovaporshascaused
cancerinlaboratoryanimals.Failuretouse
cautionmaycauseseriousinjuryorillness.
•Avoidprolongedbreathingofvapors.
•Keepfaceawayfromnozzleandgas
tank/containeropening.
•Keepawayfromeyesandskin.
•Neversiphonbymouth.
•Checkthattheoperator’spresencecontrols,
safetyswitches,andshieldsareattachedand
functioningproperly.DoNotoperateunlessthey
arefunctioningproperly.
6

Safety
Operation
WARNING
Operatingengineparts,especiallythe
mufer,becomeextremelyhot.Severeburns
canoccuroncontactanddebris,suchas
leaves,grass,brush,etc.cancatchre.
•Allowengineparts,especiallythemufer,
tocoolbeforetouching.
•Removeaccumulateddebrisfrommufer
andenginearea.
•Installandmaintaininworkingordera
sparkarresterbeforeusingequipment
onforest-covered,grass-covered,or
brush-coveredunimprovedland.
WARNING
Engineexhaustcontainscarbonmonoxide,
whichisanodorlessdeadlypoisonthatcan
killyou.
DoNotrunengineindoorsorinasmall
connedareawheredangerouscarbon
monoxidefumescancollect.
WARNING
OperatingaFrontRunnertractorwithoutan
approvedExmarkfrontmountattachment
increasesthepossibilityofforwardtipover.
Tip-overcouldcauseseriousinjuryordeath.
WhenoperatingaFrontRunnertractor
withoutanapprovedExmarkfrontmount
attachment,observethefollowing:
•Limitoperationtominimumrequiredto
installadifferentfrontmountattachment.
•Minimizespeedanduseextremecaution.
•Onlyoperateonaatlevelsurface.
•DoNotoperateupordownatrailerramp.
•Avoidsuddenaccelerationordeceleration.
•Operateonlyindaylightorgoodarticiallight,
keepingawayfromholesandhiddenhazards.
•Besurealldrivesareinneutralandparkingbrake
isengagedbeforestartingengine.Useseatbelts
withtherollbarintheraisedandlockedposition.
•Neveroperatethemowerwithdamagedguards,
shields,orcovers.Alwayshavesafetyshields,
guards,switchesandotherdevicesinplaceandin
properworkingcondition.
•Nevermowwiththedischargedeectorraised,
removedoralteredunlessthereisagrass
collectionsystemormulchkitinplaceand
workingproperly.
•DoNotchangetheenginegovernorsettingor
overspeedtheengine.
•Stopengine,waitforallmovingpartstostop,
removekeyandengageparkingbrake:
–Beforechecking,cleaningorworkingonthe
mower.
–Afterstrikingaforeignobjectorabnormal
vibrationoccurs(inspectthemowerfor
damageandmakerepairsbeforerestarting
andoperatingthemower).
–Beforeclearingblockages.
–Wheneveryouleavethemower.
•Stopengine,waitforallmovingpartstostop,and
engageparkingbrake:
–Beforerefueling.
–Beforedumpingthegrasscatcher.
WARNING
Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.
•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesin
placeandworkingproperly.
•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.
•NEVERcarrypassengers.DONOToperate
themowerwhenpeople,especiallychildren,or
petsareinthearea.
•Bealert,slowdownandusecautionwhenmaking
turns.Lookbehindandtothesidebefore
changingdirections.
7

Safety
•Stoptheblades,slowdown,andusecautionwhen
crossingsurfacesotherthangrassandwhen
transportingthemowertoandfromtheareato
bemowed.
•Beawareofthemowerdischargepathanddirect
dischargeawayfromothers.
•DoNotoperatethemowerundertheinuence
ofalcoholordrugs.
•Useextremecarewhenloadingorunloadingthe
machineintoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
SlopeOperation
UseExtremecautionwhenmowingand/orturning
onslopesaslossoftractionand/ortip-overcould
occur.Theoperatorisresponsibleforsafeoperation
onslopes.
DANGER
Operatingonwetgrassorsteepslopescan
causeslidingandlossofcontrol.Wheels
droppingoveredges,ditches,steepbanks,or
watercancauserollovers,whichmayresult
inseriousinjury,deathordrowning.
•DoNotmowslopeswhengrassiswet.
•DoNotmowneardrop-offsornearwater.
•DoNotmowslopesgreaterthan15
degrees.
•Reducespeedanduseextremecaution
onslopes.
•Avoidsuddenturnsorrapidspeed
changes.
•Keeptherollbarintheraisedandlocked
positionanduseseatbelt.
•Seeinsidethebackcovertodeterminethe
approximateslopeangleoftheareatobemowed.
•Useawalkbehindmowerand/orahandtrimmer
neardrop-offs,ditches,steepbanksorwater.
(Figure3).
Figure3
1.SafeZone-Usethemowerhereonslopeslessthan15
degrees
2.DangerZone-Useawalkbehindmowerand/orhand
trimmeronslopesgreaterthan15degrees,near
drop-offsandwater.
3.Water
•Removeormarkobstaclessuchasrocks,tree
limbs,etc.fromthemowingarea.Tallgrasscan
hideobstacles.
•Watchforditches,holes,rocks,dipsandrisesthat
changetheoperatingangle,asroughterraincould
overturnthemachine.
•Avoidsuddenstopswhenmowingdownhill
becausethemowermaytipforwards.
•Beawarethatoperatingonwetgrass,acrosssteep
slopesordownhillmaycausethemowertolose
traction.Lossoftractiontothedrivewheelsmay
resultinslidingandlossofbrakingandsteering.
•Alwaysavoidsuddenstartingorstoppingona
slope.Iftireslosetraction,disengagetheblades
andproceedslowlyofftheslope.
•Followthemanufacturer’srecommendationsfor
wheelweightsorcounterweightstoimprove
stability.
•Useextremecarewithgrasscatchersor
attachments.Thesecanchangethestabilityofthe
machineandcauselossofcontrol.
UsingtheRolloverProtectionSystem
(ROPS)
ARolloverProtectionSystem(rollbar)isinstalled
ontheunit.
8

Safety
WARNING
Thereisnorolloverprotectionwhentheroll
barisdown.Wheelsdroppingoveredges,
ditches,steepbanks,orwatercancause
rollovers,whichmayresultinseriousinjury,
deathordrowning.
•Keeptherollbarintheraisedandlocked
positionanduseseatbelt.
•Lowertherollbaronlywhenabsolutely
necessary.
•DoNotwearseatbeltwhentherollbar
isdown.
•Driveslowlyandcarefully.
•Raisetherollbarassoonasclearance
permits.
•Checkcarefullyforoverheadclearances(i.e.
branches,doorways,andelectricalwires)before
drivingunderanyobjectsandDoNotcontact
them.
•Intheeventofarollover,taketheunittoan
AuthorizedServiceDealertohavetheROPS
inspected.
MaintenanceandStorage
•Disengagedrives,lowerimplement,setparking
brake,stopengineandremovekeyordisconnect
sparkplugwire.Waitforallmovementtostop
beforeadjusting,cleaningorrepairing.
•Keepengine,enginearea,andpumpdrivebelt
compartmentfreefromaccumulationofgrass,
leaves,excessivegreaseoroil,andotherdebris
whichcanaccumulateintheseareas.These
materialscanbecomecombustibleandmayresult
inare.
•LetenginecoolbeforestoringandDoNotstore
nearameoranyenclosedareawhereopenpilot
lightsorheatappliancesarepresent.
•Shutofffuelwhilestoringortransporting.Do
Notstorefuelnearamesordrainindoors.
•Parkmachineonlevelground.Neverallow
untrainedpersonneltoservicemachine.
•Usejackstandstosupportcomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Disconnectbatteryorremovesparkplugwire
beforemakinganyrepairs.Disconnectthe
negativeterminalrstandthepositivelast.
Reconnectpositiverstandnegativelast.
•Usecarewhencheckingblades.Wraptheblade(s)
orweargloves,andusecautionwhenservicing
them.Onlyreplacedamagedblades.Never
straightenorweldthem.
•Keephandsandfeetawayfrommovingparts.
Ifpossible,DoNotmakeadjustmentswiththe
enginerunning.
•Chargebatteriesinanopenwellventilatedarea,
awayfromsparkandames.Unplugcharger
beforeconnectingordisconnectingfrombattery.
Wearprotectiveclothinganduseinsulatedtools.
•Keepallguards,shieldsandallsafetydevicesin
placeandinsafeworkingcondition.
•Checkallboltsfrequentlytomaintainproper
tightness.
•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.
•Allreplacementpartsmustbethesameas
orequivalenttothepartssuppliedasoriginal
equipment.
9

Safety
WARNING
Hydraulicuidescapingunderpressure
canpenetrateskinandcauseinjury.Fluid
accidentallyinjectedintotheskinmustbe
surgicallyremovedwithinafewhoursbya
doctorfamiliarwiththisformofinjuryor
gangrenemayresult.
•Makesureallhydraulicuidhoses
andlinesareingoodconditionand
allhydraulicconnectionsandttings
aretightbeforeapplyingpressureto
hydraulicsystem.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpaper,notyourhands,
tondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulic
systembyplacingthemotioncontrol
leversinneutralandshuttingoffthe
enginebeforeperforminganyworkon
thehydraulicsystem.
10