QUEST®FRONT
STEER
ForSerialNos.
315,000,000&Higher
PartNo.4502-541Rev.A
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemical
orchemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Theengineinthisproductisnot
equippedwithasparkarrestermufer.Itisa
violationofCaliforniaPublicResourceCode
(CPRC)Section4442touseoroperatethis
engineonanyforest-covered,brush-covered,
orgrass-coveredlandasdenedinCPRC4126.
Otherstatesorfederalareasmayhavesimilar
laws.
Toacquireasparkarresterforyourunit,seeyour
EngineServiceDealer.
Thissparkignitionsystemcomplieswiththe
CanadianstandardICES-002.Cesystèmed’allumage
parètincelledevèhiculeestconformeàlanorme
NMB-002duCanada.
TheenclosedEngineOwner’sManualis
suppliedforinformationregardingTheU.S.
EnvironmentalProtectionAgency(EPA)and
theCaliforniaEmissionControlRegulationof
emissionsystems,maintenanceandwarranty.
KeepthisengineOwner’sManualwithyourunit.
ShouldthisengineOwner’sManualbecome
damagedorillegible,replaceimmediately.
Replacementsmaybeorderedthroughthe
enginemanufacturer.
Labeledpowerratingsaresuppliedbytheengine
manufacturerinaccordancewithSAEtesting
andgross/netpowerratingstandards(J1940,
J1995,J1349).
Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2015ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310
2
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,
maintainitsmaximumefciency,andpromotesafe
operation.
Important:Tomaximizesafety,performance,
andproperoperationofthismachine,itis
essentialthatalloperatorscarefullyreadand
fullyunderstandthecontentsoftheOperator’s
manualprovidedwiththeproduct.Safe
operationofExmarkequipmentisessential.
Failuretocomplywiththeoperatinginstructions
orreceivepropertrainingmayresultininjury.
Gotohttp://www.Exmark.comforadditional
safeoperationinformation,suchassafetytips,
trainingmaterials,andOperator’smanuals.
Ifadditionalinformationisneeded,orshould
yourequiretrainedmechanicservice,contactyour
authorizedExmarkequipmentdealerordistributor.
AllExmarkequipmentdealersanddistributorsare
keptinformedofthelatestmethodsofservicing
andareequippedtoprovidepromptandefcient
serviceintheeldorattheirservicestations.They
carryamplestockofservicepartsorcansecurethem
promptlyforyoufromthefactory.
AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.
Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
G014523
1
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
3
Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals.......................9
Specications........................................................17
ModelNumbers.............................................17
Systems..........................................................17
Dimensions....................................................18
TorqueRequirements.....................................19
ProductOverview.................................................19
Operation..............................................................20
Controls.........................................................20
OperatingInstructions...................................22
ThinkSafetyFirst...........................................22
RecommendedGasoline.................................22
CheckingtheEngineOilLevel........................24
StartingtheEngine.........................................24
OperatingtheParkingBrake
(SmartPark
™
).............................................25
OperatingtheBlades......................................25
StoppingtheEngine.......................................25
TheSafetyInterlockSystem............................26
DrivingForwardorBackward.........................27
StoppingtheMachine.....................................27
MowinginReverse.........................................28
AdjustingtheHeight-of-Cut...........................28
AdjustingtheAnti-ScalpRollers......................29
PositioningtheSeat........................................29
ChangingtheSeatRideSuspension.................29
PositioningtheSteeringWheel........................30
PushingtheMachinebyHand.........................30
SideDischarge................................................31
TransportingtheMachine...............................31
LoadingtheMachine......................................32
OperatingTips..............................................33
Maintenance..........................................................35
RecommendedMaintenanceSchedule(s)............36
PremaintenanceProcedures...............................37
RaisingtheSeat..............................................37
RaisingtheFrontoftheMachine.....................37
PeriodicMaintenance........................................37
Lubrication.....................................................37
EngineMaintenance.......................................38
ServicingtheEngineOil.................................40
ServicingtheSparkPlug-Exmark708cc
Engine.......................................................45
ServicingtheSparkPlug-Kohler
Engine.......................................................46
CleaningtheBlowerHousing..........................48
FuelSystemMaintenance...............................48
ServicingtheEmissionsFilter.........................48
ElectricalSystemMaintenance........................49
ChargingtheBattery.......................................49
DriveSystemMaintenance.............................52
CheckingtheTirePressure.............................52
CheckingtheHydraulicOilLevel–50Inch
Only...........................................................52
ChangingtheHydraulicSystemFilterand
Oil––50InchOnly.....................................53
MowerMaintenance.......................................55
ServicingtheCuttingBlades...........................55
LevelingtheMowerDeck...............................57
MowerBeltMaintenance................................60
ReplacingtheDischargeDeector..................62
Cleaning............................................................63
CleanGrassBuild-UpUnderDeck.................63
CleanEngineandExhaustSystem
Area...........................................................63
CleanDebrisFromMachine...........................64
Storage..................................................................65
CleaningandStorage......................................65
Troubleshooting....................................................66
Schematics............................................................68
4
Safety
Safety
SafetyAlertSymbol
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafetyalertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
Figure2
SafetyAlertSymbol
Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizes
generalinformationworthyofspecialattention.
Thismachinemeetsorexceedsthesafety
specicationsoftheAmericanNational
StandardsInstituteB71.1ineffectatthetime
ofproduction.However,improperuseor
maintenancebytheoperatororownercan
resultininjury.Toreducethepotentialfor
injury,complywiththesesafetyinstructions
andalwayspayattentiontothesafetyalert
symbol,whichmeansCAUTION,WARNING,
orDANGER-"personalsafetyinstruction."
Failuretocomplywiththeinstructionmayresult
inpersonalinjuryordeath.
SafeOperatingPractices
ThefollowinginstructionsarefromANSIstandard
B71.1.
Thisproductiscapableofamputatinghandsand
feetandthrowingobjects.Alwaysfollowallsafety
instructionstoavoidseriousinjuryordeath.
GeneralOperation
•Read,understand,andfollowallinstructionsin
theoperator’smanualandonthemachinebefore
starting.
•DoNotplacehandsorfeetnearrotatingpartsor
underthemachine.Keepclearofthedischarge
openingatalltimes.
•Allowonlyresponsibleadultswhoarefamiliar
withtheinstructionstooperatethemachine.
•Cleartheareaofobjectssuchasrocks,toys,wire,
etc.,whichcouldbepickedupandthrownbythe
blade.
•Besuretheareaisclearofotherpeoplebefore
mowing.Stopthemachineifanyoneentersthe
area.
•Nevercarrypassengers.
•DoNotmowinreverseunlessabsolutely
necessary.Alwayslookdownandbehindbefore
andwhilebackingup.
•Beawareofthemowerdischargedirectionand
DoNotpointitatanyone.Avoiddischarging
materialagainstawallorobstruction.Material
mayricochetbacktowardtheoperator.Stopthe
bladeswhencrossinggravelsurfaces.
•DoNotoperatethemowerwithouteitherthe
entiregrasscollectionsystemorthedischarge
deectorinplace.
•Bealert,slowdownandusecautionwhen
makingturns.Lookbehindandtothesidebefore
changingdirections.
•Neverleavearunningmachineunattended.
Alwaysturnoffblades,engageparkingbrake,
stopengine,andremovekeybeforedismounting.
•Turnoffbladeswhennotmowing.Stopthe
engine,waitforallpartstocometoacomplete
stop,engageparkingbrake,andremovekey
beforecleaningthemachine,removingthegrass
oruncloggingthedeector.
•Operatethemachineonlyindaylightorgood
articiallight.
•DoNotoperatethemachinewhileunderthe
inuenceofalcoholordrugs.
•Watchfortrafcwhenoperatingnearorcrossing
roadways.
•Useextracarewhenloadingorunloadingthe
machineintoatrailerortruck
•Alwaysweareyeprotectionwhenoperatingthe
mower.
•Dataindicatesthatoperators,age60yearsand
above,areinvolvedinalargepercentageofriding
mower-relatedinjuries.Theseoperatorsshould
evaluatetheirabilitytooperatetheridingmower
5
Safety
safelyenoughtoprotectthemselvesandothers
fromseriousinjury.
•Alwaysfollowtherecommendationsforwheel
weightsorcounterweights.
•Lightningcancausesevereinjuryordeath.If
lightningisseenorthunderisheardinthearea,
DoNotoperatethemachine;seekshelter.
SlopeOperation
Slopesareamajorfactorrelatedtolossofcontrol
andtip-overaccidents,whichcanresultinsevere
injuryordeath.Operationonallslopesrequiresextra
caution.Ifyoucannotbackuptheslopeorifyoufeel
uneasyonit,DoNotmowit.
•DoNotmowslopesgreaterthan15degrees.
•Watchforditches,holes,rocks,dips,andrisesthat
changetheoperatingangle,asroughterraincould
overturnthemachine.
•Choosealowgroundspeedsoyouwillnothave
tostopwhileoperatingonaslope.
•DoNotmowslopeswhengrassiswet.Slippery
conditionsreducetractionandcouldcausesliding
andlossofcontrol.
•Reducespeedanduseextremecautiononslopes.
•DoNotmakesuddenturnsorrapidspeed
changes.
•Removeormarkobstaclessuchasrocks,tree
limbs,etc.fromthemowingarea.Tallgrasscan
hideobstacles.
•Avoidsuddenstartswhenmowinguphillbecause
themowermaytipbackwards.
•Beawarethatoperatingonwetgrass,acrosssteep
slopesordownhillmaycausethemowertolose
traction.Lossoftractiontothedrivewheelsmay
resultinslidingandalossofbrakingandsteering.
•Alwaysavoidsuddenstartingorstoppingona
slope.Iftireslosetraction,disengagetheblades
andproceedslowlyofftheslope.
•Useextremecarewithgrasscollectionsystemsor
otherattachments.Thesecanchangethestability
ofthemachineandcauselossofcontrol.
•DoNottrytostabilizethemachinebyputting
yourfootontheground.
•DoNotmowneardrop-offs,ditches,steepbanks
orwater.Wheelsdroppingoveredgescancause
rollovers,whichmayresultinseriousinjury,death
ordrowning.
•Useawalkbehindmowerand/orahandtrimmer
onslopesgreaterthan15degrees,neardrop-offs,
ditches,steepbanksorwater.
Children
Tragicaccidentscanoccuriftheoperatorisnot
alerttothepresenceofchildren.Childrenareoften
attractedtothemachineandthemowingactivity.
Neverassumethatchildrenwillremainwhereyou
lastsawthem.
•Keepchildrenoutofthemowingareaandunder
thewatchfulcareofanotherresponsibleadult,
nottheoperator.
•Bealertandturnthemachineoffifchildrenenter
thearea.
•Beforeandwhilebackingorchangingdirection,
lookbehind,down,andside-to-sideforsmall
children.
•Nevercarrychildren,evenwiththebladesoff.
Theymayfalloffandbeseriouslyinjuredor
interferewithsafemachineoperation.
•Childrenwhohavebeengivenridesinthepast
maysuddenlyappearinthemowingareafor
anotherrideandberunoverorbackedoverby
themower.
•Neverallowchildrentooperatethemachine.
•Useextracarewhenapproachingblindcorners,
shrubs,trees,theendofafenceorotherobjects
thatmayobscurevision.
TowingSafety
•Donotattachtowedequipmentexceptatthe
hitchpoint.
•Followtheattachmentmanufacturer's
recommendationforweightlimitsfortowed
equipmentandtowingonslopes.Towedweight
mustnotexceedtheweightofthemachine,
operator,andballast.Usecounterweightsor
wheelweightsasdescribedintheattachment,or
inthepullingmachineOperator’sManual.
•Neverallowchildrenorothersinorontowed
equipment.
•Onslopes,theweightofthetowedequipment
maycauselossoftraction,increasedriskof
6
Safety
rollover,andlossofcontrol.Reducethetowed
weightandslowdown.
•Stoppingdistanceincreaseswiththeweightofthe
towedload.Travelslowlyandallowextradistance
tostop.
•Makewideturnstokeeptheattachmentclearof
themachine.
Service
SafeHandlingofGasoline
Toavoidpersonalinjuryorpropertydamage,use
extracarewhenhandlinggasolineandotherfuels.
Theyareammableandthevaporsareexplosive.
•Extinguishallcigarettes,cigars,pipesandother
sourcesofignition.
•Useonlyanapprovedcontainer.
•Neverremovethegascaporaddfuelwhenthe
engineisrunning.Allowtheenginetocoolbefore
refueling.
•Neverrefuelthemachineindoors.
•Neverstorethemachineorfuelcontainerinside
wherethereisanopename,suchasnearawater
heaterorfurnace.
•Neverllcontainersinsideavehicleorona
truckortrailerwithaplasticliner.Alwaysplace
containersonthegroundawayfromyourvehicle
beforelling.
•Removegas-poweredequipmentfromthetruck
ortrailerandrefuelitontheground.Ifthisis
notpossible,thenrefuelsuchequipmentwitha
portablecontainer,ratherthanfromagasoline
dispensernozzle.
•Keepthenozzleincontactwiththerimofthe
fueltankorcontaineropeningatalltimesuntil
thefuelingiscomplete.DoNotuseanozzle
lock-opendevice.
•Iffuelisspilledonclothing,changeclothing
immediately.
•Neveroverllthefueltank.Replacegascapand
tightensecurely.
GeneralService:
•Neverrunamachineinsideaclosedarea.
•Keepnutsandboltstight,especiallytheblade
attachmentbolts.Keepequipmentingood
condition.
•Neverinterferewiththeintendedfunctionofa
safetydeviceorreducetheprotectionprovided
byasafetydevice.Checktheirproperoperation
regularly.
•Keepthemachinefreeofgrass,leaves,orother
debrisbuild-up.Cleanupoilorfuelspillageand
fuelsoakeddebris.Allowthemachinetocool
beforestoring.
•Stopandinspecttheequipmentifyoustrikean
object.Repair,ifnecessary,beforerestarting.
•Nevermakeanyadjustmentsorrepairswiththe
enginerunning.
•Grasscollectionsystemcomponentsaresubject
towear,damageanddeterioration,whichcould
exposemovingpartsorallowobjectstobe
thrown.Frequentlycheckcomponentsand
replacewithmanufacturers’recommendedparts,
whennecessary.
•Mowerbladesaresharpandcancut.Wrapthe
bladesorweargloves,anduseextracautionwhen
servicingthem.
•Checkforproperbrakeoperationfrequently.
Adjustandserviceasrequired.
•Maintainorreplacesafetyandinstructiondecals
asnecessary.
•UseonlygenuineExmarkreplacementpartsto
ensurethatoriginalstandardsaremaintained.
ExmarkRidingMowerSafety
Thefollowinglistcontainssafetyinformationspecic
toExmarkproductsorothersafetyinformationthat
youmustknowthatisnotincludedintheANSI
standards.
•Onlyadultsandmatureteenagersshouldoperate
amower,andevenmatureteenagersshouldhave
adultsupervision.Besureateenager:
1.hasreadandunderstandstheOperator's
Manualandrecognizestherisksinvolved;
2.issufcientlymaturetousecaution;and
3.isofsufcientsizeandweighttooperate
thecontrolscomfortablyandtomanagethe
mowerwithouttakingrisks.
•Engineexhaustcontainscarbonmonoxide,which
isanodorless,deadlypoisonthatcankillyou.Do
Notrunengineindoorsorinanenclosedarea.
7
Safety
•Parkmachineonlevelground.Stoptheengine,
waitforallmovingpartstostop,engageparking
brake,disconnectsparkplugwire(s)andremove
keybeforeperforminganyservice,repairs,
maintenanceoradjustments.
•Keephands,feet,hair,andlooseclothingaway
fromattachmentdischargearea,undersideof
mowerandanymovingpartswhileengineis
running.
•DoNottouchequipmentorattachmentparts
whichmaybehotfromoperation.Allowtocool
beforeattemptingtomaintain,adjustorservice.
•Batteryacidispoisonousandcancauseburns.
Avoidcontactwithskin,eyes,andclothing.
Protectyourface,eyes,andclothingwhen
workingwithabattery.
•Batterygasescanexplode.Keepcigarettes,sparks
andamesawayfrombattery.
•UseonlyExmarkapprovedattachments.
Warrantymaybevoidedifusedwithunapproved
attachments.
•Ifloadingthemachineontoatrailerortruck,use
asingle,full-widthramponly.Therampangle
shouldnotexceed15degrees.
Note:Theleftandrightsidesofthemachineare
determinedwhilesittingintheseatinthenormal
operatingposition
8
Safety
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedorlost.
93-7009
1.Warning—don'toperatethemowerwiththedeectorup
orremoved;keepthedeectorinplace.
2.Cutting/dismembermenthazardofhandorfoot,mower
blade—stayawayfrommovingparts.
99-3943
ForModelswith50InchDecks
1.Engine
105-7015
ForModelswith42InchDecks
1.Beltrouting
106-8717
1.Readtheinstructionsbeforeservicingorperforming
maintenance.
2.Checktirepressureevery25operatinghours.
3.Greaseevery25operatinghours.
4.Engine
9
Safety
110-6691
1.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
2.Thrownobjecthazard,mower—donotoperatewithout
thedeector,dischargecover,orgrasscollection
systeminplace.
3.Cutting/dismembermentofhandorfoot—stayaway
frommovingparts.
112-9840
1.ReadtheOperator's
Manual.
3.Removetheignitionkey
andreadtheinstructions
beforeservicingor
performingmaintenance.
2.Heightofcut
114-1606
1.Entanglementhazard,belt—keepallguardsinplace.
119-8870
50-inchModel
1.Height-of-cut
119-8871
42InchModel
1.Height-of-cut
10
Safety
121-2989
1.Bypassleverpositionfor
pushingthemachine
2.Bypassleverpositionfor
operatingthemachine
127–0051
1.Maximumcarrierframe
loadislessthanorequal
to100lbs(45kg).
2.Warning—donotsitor
rideonthecarrierframe;
readtheOperator’s
Manual.
131-1097
42and50InchModelswithExmarkEngine
1.Oildrain
131-3620
1.Pedalposition—forward
3.Pedalposition—reverse
2.Pedalposition—neutral
131-3621
1.Crushing/dismembermenthazard—keepbystanders
awayfromthemachine;donotactivateKeyChoice
®
switch(allowsmowinginreverse)withbystanders
nearby.
11
Safety
131-3664
50inchModel
1.Spinningblade3.Operator'sManual
2.Reverse
131-3665
42inchModel
1.SpinningBlade3.ReadtheOperator's
Manual.
2.Reverse
131-3954
50inchModel
1.On2.Off
131-3955
42inchModel
1.On2.Off
131-4036
1.Toworpullweightsless
thanorequalto36kg
(80lbs).
2.ReadtheOperator's
Manual.
PTOSwitchSymbols
1.PTO–disengage2.PTO–engage
ExmarkEnginesOnly
1.Shutdownengineatfullthrottle
12
Safety
121-0772
42InchModelswithExmarkEngine
1.Fast
4.Choke
2.Continuousvariablesetting5.Powertake-off(PTO),Bladecontrolswitch
3.Slow
121-0773
50InchModelswithExmarkEngine
1.Fast
4.Choke
2.Continuousvariablesetting5.Powertake-off(PTO),Bladecontrolswitch
3.Slow
13
Safety
131-4161
42InchModelswithKohlerEngine
1.Fast
3.Slow
2.Continuousvariablesetting4.Powertake-off
131-4162
50InchModelswithKohlerEngine
1.Fast
3.Slow
2.Continuousvariablesetting4.Powertake-off
14
Safety
132-0870
1.Warning—readtheOperator'sManual.4.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine,pickupdebrisbeforeoperating,keep
deectorinplace.
2.Cutting/dismembermenthazard,mowerblade;
entanglementhazard,belt—stayawayfrommovingparts,
keepallguardsandshieldsinplace.
5.Ramphazard—Whenloadingontoatrailer,donotuse
splitramps.Onlyuseafullwidthrampwideenoughfor
themachine.Rampanglewiththegroundshouldbeless
than15degrees.Backuptherampanddriveforwardoff
theramp.
3.Crushing/dismembermenthazardofbystanders,in
reverseandforward—donotcarrypassengers,look
behindanddownwhenreversing.
6.Tippinghazard—donotturnathighspeeds;donotuse
withslopesgreaterthan15degrees;onlyuseonslopes
lessthan15degrees.
15
Safety
BatterySymbols
Someorallofthesesymbolsareonyourbattery.
1.Explosionhazard
5.ReadtheOperator'sManual.
9.Flusheyesimmediatelywithwater
andgetmedicalhelpfast.
2.Nore,openames,orsmoking6.Keepbystandersasafedistance
fromthebattery.
10.Containslead;donotdiscard.
3.Causticliquid/chemicalburnhazard
7.Weareyeprotection;explosive
gasescancauseblindnessand
otherinjuries.
4.Weareyeprotection8.Batteryacidcancauseblindnessor
severeburns.
16
Specications
Specications
ModelNumbers
SerialNos:315,000,000andHigher
QSS708GEM42200;QSS708GEM50200;QSS725GKC42200;QSS725GKC50200
Systems
Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•EngineOilType:Exmark4-CyclePremium
EngineOil
•RPM:
FullSpeed:3300±100(max)RPM(NoLoad)
Idle:1650(min)RPM
FuelSystem
•Capacity:2.9gal.(11L)
•FuelRecommendations:
–Forbestresults,useonlyclean,fresh,unleaded
gasolinewithanoctaneratingof87orhigher
((R+M)/2ratingmethod).
–Oxygenatedfuelwithupto10%ethanolor
15%MTBEbyvolumeisacceptable.
–DoNotuseethanolblendsofgasoline(such
asE15orE85)withmorethan10%ethanol
byvolume.Performanceproblemsand/or
enginedamagemayresultwhichmaynotbe
coveredunderwarranty.
–DoNotusegasolinecontainingmethanol.
–DoNotstorefueleitherinthefueltankor
fuelcontainersoverthewinterunlessafuel
stabilizerisused.
–DoNotaddoiltogasoline.
•FuelFilter:In-line
ElectricalSystem
•ChargingSystem:FlywheelAlternator
•ChargingCapacity:
–Exmark:15amps
–Kohler:12amps
•BatteryType:195CCA
•BatteryVoltage:12Volt
•Polarity:NegativeGround
•Fuses:One30amp,one25amp;bladetype
SafetyInterlockSystem
•PTOmustbedisengaged,tractionpedalin
neutral,andparkingbrakeengagedtostartengine.
(Itisnotnecessaryfortheoperatortobeinthe
seattostarttheengine.)
•OperatormustbeinseatwhenPTOisengaged
ortractionpedalismovedforward/reverseor
enginewillstop.
OperatorControls
•SteeringWheel:Controlsthedirectionand
turningradius.Reartiresoperateindependently
allowingzero-turns.
Note:Steeringwheelisadjustabletothree
operatingpositionsandone,full-upposition.
•Traction-controlfootpedal:Controlstheforward
andreversemotionalongwithspeed.
•PTOEngagementSwitch:Engageselectricclutch
(todrivebelt)whichengagesmowerblades.
•DeckHeightAdjustmentLever:Setscutting
heighttodesiredposition.
Seat
•Type:Twotoneupholsteredhighback,foam
paddedseatwithspringsuspensionandarmrests.
•Mounting:Hingedtotiltupforaccesstobattery
andothercomponents.Adjustableforeandaft.
•Armrests:Standard–paddedip-uparmrests.
•SeatSafetySwitch:IncorporatedintotheSafety
InterlockSystem.
HydrostaticGroundDriveSystem
•HydrostaticPumps:
–42inchunit:TwoHydroGearZT2200
Integrateddrivesystems.
17
Specications
–50inchunit:TwoHydroGearZT2800
Integrateddrivesystems.
•HydraulicOilType:ExmarkPremiumHydroOil.
•HydraulicFilter—50inch:P/N109-3321
•Speeds:
–0-7.0mph(11.3km/hr)forward.
–0-5.0mph(8.0km/hr)reverse.
•Drivewheelreleases,locatedonleftandright
sidesofenginedeck,allowmachinetobemoved
whentheengineisnotrunningandbrakeisoff.
TiresandWheels
Drive
Pneumatic(Air-Filled)
DeckSize
4250
Quantity
22
Tread
TurfTechTL
KendaSuper
Turf
Size18x7.50-820x8-10
PlyRating
44
Pressure
13psi
(90kPa)
13psi
(90kPa)
FrontCaster
Pneumatic(Air-Filled)
DeckSize
4250
Quantity
22
TreadRibbedRibbed
Size11x4-513x5-6
PlyRating
22
Pressure
13psi
(90kPa)
13psi
(90kPa)
CuttingDeck
•CuttingWidth:
–42inchDeck:42inches(107cm)
–50inchDeck:50inches(127cm)
•Discharge:Side
•BladeSize:
–42inchDeck:21.60inches(54.9cm)–Qty:2
–50inchDeck:17.50inches(44.5cm)–Qty:3
•BladeSpindles:Solidsteelspindleswithno
maintenancebearings.
•DeckDrive:Electricclutchmountedonvertical
engineshaft.Bladesaredrivenbyonebelt
(w/self-tensioningidler)directfromtheengine.
•Deck:Fulloatingdeckisattachedtoout-front
supportframe.Maximumturfprotectionis
providedwithanti-scalprollers.
Deckdesignallowsforbagging,mulchingorside
discharge.
•DeckDepth:
–42inchDeck:4.0inches(10.2cm)
–50inchDeck:4.0inches(10.2cm)
•CuttingHeightAdjustment:Ahanddeckliftlever
isusedtoadjustthecuttingheightfrom11/2
inch(3.8cm)to41/2inches(11.4cm)in1/2
inch(1.3cm)increments.
•MulchingKit:Optional.
Dimensions
OverallWidth:
42inchDeck50inchDeck
WithoutDeck39.0inches
(99cm)
46.3inches
(118cm)
DeectorUp43.2inches
(110cm)
50.6inches
(129cm)
DeectorDown54.1inches
(137cm)
61.7inches
(157cm)
OverallLength:
42inchDeck50inchDeck
81.7inches(208cm)81.7inches(208cm)
OverallHeight:
AllUnits
42.8inches(109cm)
TreadWidth:(CentertoCenterof
Tires,Widthwise)
42inchDeck50inchDeck
DriveWheels31.5inches
(80cm)
37.4inches
(95cm)
CasterWheels30.8inches
(78cm)
34.0inches
(86cm)
18
ProductOverview
WheelBase:(CenterofCasterTireto
CenterofDriveTire)
42InchDeck50InchDeck
52.5inches(133cm)50.5inches(128cm)
CurbWeight:
42inchDeck50inchDeck
645lb(293kg)713lb(323kg)
TorqueRequirements
BoltLocation
Torque
SpindlePulleyNut35-65ft-lb(47-88N-m)
BladeMountingBolt35-65ft-lb(47-88N-m)
EngineMountingBolts
330-400in-lb(37-45N-m)
WheelLugNuts
70-90ft-lb(95-122N-m)
ClutchMounting
Bolt(securedwith
threadlocker)
50-60ft-lb(68-81N-m)
ProductOverview
Figure3
1.Frontcasterwheel
8.Controlpanel
2.Anti-scalproller9.Engine
3.Traction-controlpedal
10.Seat
4.Dischargedeector
11.Fueltank
5.Deckheightadjustment
lever
12.Steeringwheel
6.SmartPark™switch13.KeyChoice
®
control
7.Reardrivewheel14.Mowerdeck
19
Operation
Operation
Controls
Note:Becomefamiliarwithallofthecontrols
beforeyoustarttheengineandoperatethemachine.
IgnitionSwitch
Locatedoncontrolpanel.
Theignitionswitchisusedtostartandstopthe
engine.Theswitchhasthreepositions“OFF”,
“RUN”and“START”.Insertkeyintoswitchand
rotateclockwisetothe“ON”position.Rotate
clockwisetothenextpositiontoengagethestarter
(keymustbeheldagainstspringpressureinthis
position).
Figure4
ExmarkEnginewith50InchDeckShown
1.SmartPark™(Parkingbrake)switch
2.Chokecontrol
3.Throttlelever
4.Ignitionswitch
5.Bladecontrolswitch(powertake-off)
6.Parkingbrake-On
7.Parkingbrake-indicatorlight
8.Parkingbrake-Off
Note:Brakemustbeengaged,traction-controlpedal
inneutral,andPTOswitch“OFF”tostartengine.
(Itisnotnecessaryfortheoperatortobeintheseat
tostarttheengine.)
Turningthekeytothe“OFF”positionwillstopthe
engine;however,alwaysremovethekeywhenleaving
themachinetopreventsomeonefromaccidentally
startingtheengine.
BladeControlSwitch(Power
Take-Off)
Locatedonthecontrolpanel.
Thebladecontrolswitch,representedbyapower
take-off(PTO)symbol,engagesanddisengages
powertothemowerblades(seeFigure4).
Pulluponthebladecontrolswitchto“ON”to
engagetheblades.
Pushdownonthebladecontrolswitchto“OFF”
todisengagetheblades.
ThrottleLever
Locatedoncontrolpanel.
Thethrottleisusedtocontrolenginespeed.Moving
throttleleverforwardwillincreaseenginespeedand
movingthrottlelevertotherearwilldecreaseengine
speed(seeFigure4).
ChokeControl
Thechokeisusedtoaidinstartingacoldengine.Do
Notrunawarmenginewiththechokeinthe“ON”
position.
•UnitswithExmarkEngines:Pullinguponthe
chokecontrolwillputthechokeinthe“ON”
positionandpushingdownthecontrolwillput
thechokeinthe“OFF”position.
•UnitswithKohlerEngines:Theengineis
integratedwithanauto-choke.Thereisnoneed
tomanuallyprimeorchoketheseengines.
SteeringWheel
Thesteeringwheelislocatedinfrontoftheseat.
Thesteeringwheelcontrolsthedirectionandturning
radius.Thereartiresoperateindependentlyofeach
other,likeazero-turn,whichallowsforsharpturns
andtoturnindifferentdirectionsquickly.
Thesteeringwheelhasthreepositionsforoperation
andone,full-upposition.Usethefull-uppositionfor
steppingonandoffthemachineandgettingoutof
theseat.Whenoperatingthemachine,positionthe
steeringwheelwhereyouhavethebestcontrolofthe
machineandaremostcomfortable.
20
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