QUEST®
ForSerialNos.
720,000&Higher
PartNo.4500-338Rev.A
WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,or
otherreproductiveharm.
Important:Thisengineisnotequippedwith
asparkarrestermufer.Itisaviolationof
CaliforniaPublicResourceCodeSection4442to
useoroperatetheengineonanyforest-covered,
brush-covered,orgrass-coveredland.Other
statesorfederalareasmayhavesimilarlaws.
ThissparkignitionsystemcomplieswithCanadian
ICES-002,ISO14982,EN55012.
TheenclosedEngineOwner’sManualis
suppliedforinformationregardingtheUS
EnvironmentalProtectionAgency(EPA)and
theCaliforniaEmissionControlRegulationof
emissionsystems,maintenance,andwarranty.
Replacementsmaybeorderedthroughthe
enginemanufacturer.
Formodelswithstatedenginehorsepower,thegross
horsepoweroftheenginewaslaboratoryratedbythe
enginemanufacturerinaccordancewithSAEJ1940.
Asconguredtomeetsafety,emission,andoperating
requirements,theactualenginehorsepoweronthis
classoflawnmowerwillbesignicantlylower.
©2007–2008—ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310
2
Contactusatwww.Exmark.com.
PrintedintheUSA.
AllRightsReserved
Introduction
Readthisinformationcarefullytolearnhowto
operateandmaintainyourproductproperlyandto
avoidinjuryandproductdamage.Youareresponsible
foroperatingtheproductproperlyandsafely.
YoumaycontactExmarkdirectlyat
www.Exmark.comforproductandaccessory
informationorhelpndingadealer.
Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
Figure1
Behindtheseat
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
3
Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals.......................8
Specications.......................................................13
ModelNumbers............................................13
Systems.........................................................13
Dimensions...................................................14
TorqueRequirements....................................15
ProductOverview................................................15
Operation.............................................................16
Controls........................................................16
OperatingInstructions..................................17
RecommendedGasoline................................18
CheckingtheEngineOilLevel.......................19
StartingtheEngine........................................19
OperatingtheBlades.....................................20
StoppingtheEngine......................................21
TheSafetyInterlockSystem...........................21
DrivingForwardorBackward........................22
StoppingtheMachine....................................23
TrackingAdjustment.....................................23
AdjustingtheHeightofCut...........................23
AdjustingtheAnti-ScalpRollers.....................24
PositioningtheSeat.......................................24
ChangingtheSeatRideSuspension................24
AdjustingtheMotionControlLevers.............25
PushingtheMachinebyHand........................25
SideDischarge...............................................26
Transporting.................................................26
OperatingTips.............................................27
Maintenance.........................................................29
RecommendedMaintenanceSchedule(s)...........29
PremaintenanceProcedures..............................30
RaisingtheSeat.............................................30
AccessingtheBattery....................................30
PeriodicMaintenance.......................................30
Lubrication....................................................30
EngineMaintenance......................................31
ServicingtheEngineOil................................32
CheckingtheHydraulicOilLevel...................34
ChangetheHydraulicSystemFilter................34
ServicingtheSparkPlug................................35
CleaningtheBlowerHousing.........................35
FuelSystemMaintenance..............................36
ElectricalSystemMaintenance.......................36
ChargingtheBattery......................................37
ServicingtheFusesandRelay.........................38
DriveSystemMaintenance............................39
CheckingtheTirePressure............................39
MowerMaintenance......................................39
ServicingtheCuttingBlades..........................39
MowerBeltMaintenance...............................41
LevelingtheMowerDeck..............................42
AdjustingtheBladeSlope..............................42
RemovingtheMowerDeck...........................44
InstallingtheMowerDeck.............................44
ReplacingtheDischargeDeector.................45
Cleaning...........................................................46
WashingtheUndersideoftheMower.............46
Storage.................................................................47
CleaningandStorage.....................................47
Troubleshooting...................................................48
Schematics...........................................................50
4
Safety
Safety
SafetyAlertSymbol
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafetyalertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizes
generalinformationworthyofspecialattention.
Thismachinemeetsorexceedsthesafety
specicationsoftheAmericanNational
StandardsInstituteB71.1-2003ineffectatthe
timeofproduction.However,improperuse
ormaintenancebytheoperatororownercan
resultininjury.Toreducethepotentialfor
injury,complywiththesesafetyinstructions
andalwayspayattentiontothesafetyalert
symbol,whichmeansCAUTION,WARNING,
orDANGER-"personalsafetyinstruction."
Failuretocomplywiththeinstructionmayresult
inpersonalinjuryordeath.
SafeOperatingPractices
ThefollowinginstructionsarefromANSIstandard
B71.1-2003.
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,slowdownandusecautionwhenmaking
turns.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.
SlopeOperation
Slopesareamajorfactorrelatedtolossofcontrol
andtip-overaccidents,whichcanresultinsevere
injuryordeath.Operationonallslopesrequiresextra
caution.Ifyoucannotbackuptheslopeorifyou
feeluneasyonit,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.
•Beawarethatlossoftractionmayoccurgoing
downhill.Weighttransfertothefrontwheels
maycausedrivewheelstoslipandcauselossof
brakingandsteering.
•Alwaysavoidsuddenstartingorstoppingona
slope.Iftireslosetraction,disengagetheblades
andproceedslowlyofftheslope.
•Useextremecarewithgrasscollectionsystemsor
otherattachments.Thesecanchangethestability
ofthemachineandcauselossofcontrol.
•DoNottrytostabilizethemachinebyputting
yourfootontheground.
•DoNotmowneardrop-offs,ditches,steepbanks
orwater.Wheelsdroppingoveredgescancause
rollovers,whichmayresultinseriousinjury,death
ordrowning.
•Useawalkbehindmowerand/orahandtrimmer
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.
Towing
•UsefortowingonlyifequippedwithanExmark
hitchkit.DoNotattachtowedequipmentexcept
atthehitchpoint.
•FollowExmark’srecommendationforweight
limitsfortowedequipmentandtowingonslopes.
Thisinformationcanbefoundinthehitchkit
instructionsheetandonthedecal.
•Neverallowchildrenorothersinorontowed
equipment.
•Onslopes,theweightofthetowedequipment
maycauselossoftractionandlossofcontrol.
•Travelslowlyandallowextradistancetostop.
Service
SafeHandlingofGasoline
Toavoidpersonalinjuryorpropertydamage,use
extracarewhenhandlinggasolineandotherfuels.
Theyareammableandthevaporsareexplosive.
6
Safety
•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.
•Nevertamperwithsafetydevices.Checktheir
properoperationregularly.
•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.
•Engineexhaustcontainscarbonmonoxide,which
isanodorless,deadlypoisonthatcankillyou.Do
Notrunengineindoorsorinanenclosedarea.
•Stoptheengine,waitforallmovingpartstostop,
engageparkingbrake,disconnectsparkplug
wire(s)andremovekeybeforeperformingany
service,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
7
Safety
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedorlost.
93-7009
1.Warning–DoNotoperate
themowerwiththe
dischargedeectorup
orremoved;keepthe
dischargedeectorin
place.
2.Cutting/dismemberment
hazardofhandorfoot,
mowerblade–stayaway
frommovingparts.
106-5517
1.Warning–DoNottouchthehotsurface.
109-6008
1.ReadtheOperator’s
Manual.
3.Pushthemachine.
2.Rotatethedriverelease
knobtoloosen,slidethe
knob,andtighten.
109-6014
TractionDriveBeltRouting
109-6029
1.Engine–stop
6.Throttle–fast
2.Engine–run
7.Choke–on
3.Engine–start8.Throttle–slow
4.Powertake-off(PTO),
Bladecontrolswitch
9.Choke–off
5.ReadtheOperator’s
Manual.
8
Safety
109-6035
DeckDriveBeltRouting
109-6036
1.ReadtheOperator’sManual.
2.Removetheignitionkeyandreadtheinstructionsbefore
servicingorperformingmaintenance.
3.Heightofcut.
109-6210
1.ReadtheOperator’sManual.
2.Cutting/dismembermenthazard,fanandentanglement
hazard,belt–stayawayfrommovingparts.
109-6459
1.Entanglementhazard,belt—DoNotopenorremove
safetyshieldswhileengineisrunning,keepshieldsin
place.
109-8759
1.Heightofcut
109-9120
1.Fuse2.Diode
9
Safety
109-9173
1.Parkingbrake4.Neutral
2.Fast5.Reverse
3.Slow6.MachineSpeed
109-9182
1.Machinespeed4.Neutral
2.Fast5.Reverse
3.Slow
110-6691
1.Thrownobjects
hazard–keepbystanders
asafedistancefromthe
machine.
3.Cutting/dismemberment
ofhandorfoot–stay
awayfrommovingparts.
2.Thrownobjectshazard,
mower–keepthe
dischargedeector
orcollectionsystemin
place.
PTOSymbols
1.PTO—Off2.PTO—On
10
Safety
109-6016
1.Readtheinstructionsbeforeservicingorperforming
maintenance.
4.RefertotheOperator’smanualforgreaseinstructions.
2.Timeinterval
5.CheckhydraulicoillevelandrefertotheOperator’s
Manualforfurtherinstructions.
3.Checkoillevel.6.Checktirepressure.
109-8965
1.Warning–readtheOperator’sManual.
5.Tippinghazard–avoidsuddenandsharpturnswhileon
slopes,onlymowacrossslopeslessthan15degrees,
keepasafedistancefromwater,andonlymowupand
downslopeslessthan15degrees.
2.Readtheinstructionsbeforeservicingorperforming
maintenance;applyparkingbrake,removetheignitionkey
anddisconnectthesparkplugwire.
6.Cutting/dismembermenthazardofhandorfoot,mower
blade–stayawayfrommovingparts.
3.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine,pickupdebrisbeforeoperating,keep
thedischargedeectorinplace.
7.Crushing/dismembermenthazardofbystanders,
reversing–DoNotcarrypassengers,lookbehindand
downwhenreversing.
4.Lossoftraction/controlhazard,slopes–lossof
traction/controlonslope,disengagethebladecontrol
switch(PTO),proceedofftheslopeslowly.
11
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.
12
Specications
Specications
ModelNumbers
SerialNos:720,000andHigher
QST22BE482;QST23KC482;QST23KC522;QST24BE522
Systems
Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•RPM:
Briggs&Stratton:FullSpeed:3650±100(max)
RPM(NoLoad)Idle:1650(min)RPM
KohlerCommand:FullSpeed:3600±75(max)
RPM(NoLoad)Idle:1750(min)RPM
FuelSystem
•Capacity:4.0gal.(15.1L)
•TypeofFuel:Regularunleadedgasoline,87
octaneorhigher.
•FuelFilter:
Briggs&Stratton:Briggs&StrattonP/N695666
KohlerCommand:KohlerP/N2405010
•FuelShut-OffValve:1/4turnincrements(“ON”,
“OFF”)
ElectricalSystem
•ChargingSystem:FlywheelAlternator
•ChargingCapacity:
Briggs&Stratton:16amps
KohlerCommand:15amps
•BatteryType:BCIGroupU1
•BatteryVoltage:12Volt
•Polarity:NegativeGround
•Fuses:One25amp,one20amp;one15amp
bladetype
•Diode:TVS
SafetyInterlockSystem
•PTOmustbedisengaged,brakeengaged,and
motioncontrolleversout(neutrallock)tostart
engine.(Itisnotnecessaryfortheoperatortobe
intheseattostarttheengine.)
•OperatormustbeinseatwhenPTOisengaged,
brakeisdisengaged,ormotioncontrolleversare
movedinorenginewillstop.
•Enginewillstopifeithertheleft,theright,or
bothleversaremovedfromneutrallockposition
whilebrakeisengaged.
OperatorControls
•SteeringandMotionControl:
Note:Motioncontrolleversareadjustableto
twoheights.
–Separatelevers,oneachsideoftheconsole,
controlspeedanddirectionoftravelofthe
respectivedrivewheels.
–Steeringiscontrolledbyvaryingtheposition
oftheleversrelativetoeachother.
–Movingmotioncontrolleversoutward(in
slots)locksthedrivesysteminneutral.
•PTOEngagementSwitch:Engageselectricclutch
(todrivebelt)whichengagesmowerblades.
•ParkingBrakeLever:Engagesparkingbrake.
•DeckHeightAdjustmentPin:Setscuttingheight
todesiredposition.
•DeckLiftAssistLever:Footpedalthatassists
inraisingthedeck.
Seat
•Type:Standardseatwithhighback,foampadded
withspringsuspensionandarmrests.
•Mounting:Hingedtotiltupforaccessto
hydraulicpumps,batteryandothercomponents.
Heldintiltedpositionwithlanyard.Adjustable
foreandaftseattrack.
13
Specications
•Armrests:Standard–foampaddedip-up
adjustableheightarmrests.
•SeatSafetySwitch:IncorporatedintotheSafety
InterlockSystem.
HydrostaticGroundDriveSystem
•HydrostaticPumps:TwoHydroGearZT2800
Integrateddrivesystems.
•HydraulicOilType:UseMobil115W-50
Syntheticmotoroil.
•Speeds:
–0-7.0mph(11.3km/hr)forward.
–0-5.0mph(8.0km/hr)reverse.
•Drivewheelreleases,locatedonleftandright
sidesofenginedeck,allowmachinetobemoved
whentheengineisnotrunningandbrakeisoff.
Tires&Wheels
Drive
Front
Caster
Pneumatic(Air-Filled)
Pneumatic
(Air-Filled)
DeckSize
4852
AllDecks
Quantity
222
Tread
TurfTecTurfTecSmooth
Size20x8.00-820x10.00-810x4
PlyRating
44
Pressure
13psi
(90kPa)
13psi
(90kPa)
13psi
(90kPa)
CuttingDeck
•CuttingWidth:
–48inchDeck:48inches(122cm)
–52inchDeck:52inches(132cm)
•Discharge:Side
•BladeSize:(3ea.)
–48inchDeck:16.25inches(41.3cm)
–52inchDeck:18.00inches(45.7cm)
•BladeSpindles:Solidsteelspindleswithno
maintenancebearings.
•DeckDrive:Electricclutchmountedonvertical
engineshaft.Bladesaredrivenbyonebelt
(w/self-tensioningidler)directfromtheengine.
•Deck:Fulloatingdeckisattachedtoout-front
supportframe.Maximumturfprotectionis
providedwiththreeanti-scalprollers(bothdeck
sizes).
Deckdesignallowsforbagging,mulchingorside
discharge.
•DeckDepth:
–48inchDeck:5.0inches(12.7cm)
–52inchDeck:5.0inches(12.7cm)
•CuttingHeightAdjustment:Afootdeckliftlever
isusedtoadjustthecuttingheightfrom11/2
inch(3.8cm)to41/2inches(11.4cm)in1/2
inch(1.3cm)increments.
•MulchingKit:Optional.
Dimensions
OverallWidth:
48inchDeck52inchDeck
WithoutDeck45.5inches
(116cm)
47.0inches
(119cm)
DeectorUp48.3inches
(122cm)
53.0inches
(135cm)
DeectorDown59.4inches
(151cm)
64.2inches
(163cm)
OverallLength:
48inchDeck52inchDeck
73.4inches(186cm)73.4inches(186cm)
OverallHeight:
48inchDeck52inchDeck
41.8inches(106cm)41.8inches(106cm)
14
ProductOverview
TreadWidth:(CentertoCenterof
Tires,Widthwise)
48inchDeck52inchDeck
DriveWheels36.0inches
(91cm)
36.8inches
(93cm)
CasterWheels33.5inches
(85cm)
33.5inches
(85cm)
WheelBase:(CenterofCasterTireto
CenterofDriveTire)
48inchDeck52inchDeck
48.9inches(124cm)48.9inches(124cm)
CurbWeight:
48inchDeck52inchDeck
645lb(293kg)660lb(299kg)
TorqueRequirements
BoltLocation
Torque
SpindlePulleyNut95-105ft-lb(129-142N-m)
BladeMountingBolt
(lubricatewithanti-seize)
32-42ft-lb(43-57N-m)
EngineMountingBolts
27-33ft-lb(37-45N-m)
Anti-ScalpRollerNyloc
Nut
27-33ft-lb(37-45N-m)
WheelLugNuts
70-90ft-lb(95-122N-m)
ClutchMountingBolt
(securedwiththreadlocker)
50-55ft-lb(68-75N-m)
SparkPlug
15ft-lb(20N-m)
ProductOverview
Figure3
1.Frontcasterwheel8.Engine
2.Anti-scalproller
9.Seat
3.Heightofcutfootlever
10.Armrest
4.Dischargedeector
11.Motioncontrollevers
5.Heightofcutadjustment
12.Parkbrake
6.Reardrivewheel13.Footrest
7.Controlpanel14.Washouttting
15
Operation
Operation
Controls
Note:Becomefamiliarwithallofthecontrolsin
Figure3andFigure4beforeyoustarttheengineand
operatethemachine.
IgnitionSwitch
Locatedoncontrolpanel.
Theignitionswitchisusedtostartandstopthe
engine.Theswitchhasthreepositions“OFF”,
“RUN”and“START”(Figure4).Insertkeyinto
switchandrotateclockwisetothe“ON”position.
Rotateclockwisetothenextpositiontoengagethe
starter(keymustbeheldagainstspringpressurein
thisposition).
Figure4
1.Ignitionswitch4.Throttle
2.Bladecontrolswitch
(powertake-off)
5.Choke
3.Hourmeter
Note:Brakemustbeengaged,motioncontrollevers
out(neutrallockposition)andPTOswitch“OFF”to
startengine.(Itisnotnecessaryfortheoperatorto
beintheseattostarttheengine.)
TurningthekeytotheOffpositionwillstopthe
engine;however,alwaysremovethekeywhenleaving
themachinetopreventsomeonefromaccidentally
startingtheengine
BladeControlSwitch(Power
Take-Off)
Locatedonthecontrolpanel.
Thebladecontrolswitch,representedbyapower
take-off(PTO)symbol,engagesanddisengages
powertothemowerblades.
Pulloutonthebladecontrolswitchto“On”to
engagetheblades
Pushthebladecontrolswitchto“Off”todisengage
theblades
ChokeControl
Locatedoncontrolpanel.
Thechokeisusedtoaidinstartingacoldengine.Do
Notrunawarmenginewiththechokeinthe“ON”
position.Movingthechokeleverforwardwillputthe
chokeinthe“ON”positionandmovingthechoke
levertotherearwillputthechokeinthe“OFF”
position(Figure4).
ThrottleControl
Locatedoncontrolpanel.
Thethrottleisusedtocontrolenginespeed.Moving
throttleleverforwardwillincreaseenginespeedand
movingthrottlelevertotherearwilldecreaseengine
speed.Movingthethrottleforwardintothedetentis
fullthrottle(seeFigure4).
MotionControlLevers
Themotioncontrolleverslocatedoneachsideof
theseat(Figure3).
Themotioncontrolleversarespeedsensitivecontrols
ofindependentwheelmotors.Movingalever
forwardorbackwardturnsthewheelonthesameside
forwardorinreverse;wheelspeedisproportionalto
theamounttheleverismoved.Movingthecontrol
leversoutwardfromthecenterpositionlocksthem
intheneutralposition.Alwayspositionthemotion
controlleversintotheneutralpositionandengage
theparkbrakeleverwhenyoustopthemachineor
leaveitunattended.Theunitmustbetieddownand
brakeengagedwhentransporting.
16
Operation
ParkingBrakeLever
Locatedonleftsideoftheconsole(Figure3).
Thebrakeleverengagesaparkingbrakeonthedrive
wheels.
Pulltheleverupandrearwardtoengagethebrake.
Pushtheleverforwardanddowntodisengagethe
brake.
Height-of-CutFootLever
Theheightofcutleverallowstheoperatortolower
andraisethedeckfromtheseatedposition(Figure3).
Whentheleverismovedforward,awayfromthe
operatorthedeckisraisedfromthegroundand
whenmovedback,towardstheoperatoritislowered
towardtheground.Onlyadjusttheheightofcut
whilemachineisnotmoving.
HourMeter
Locatedonthecontrolpanel.
Thehourmeterisconnectedtoapressureswitch
installedintheengineblockanditrecordsthenumber
ofhoursthattheenginehasrun(Figure4).Ifthe
ignitionswitchisleftonwithoutenginerunning,
hourmeterwillnotrun.
Note:Thisswitchisnotalowoilsensorandwillnot
alerttheoperatoriftheengineoilislow .
OperatingInstructions
ThinkSafetyFirst
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Pleasecarefullyreadallofthesafetyinstructions
anddecalsinthesafetysection.Knowingthis
informationcouldhelpyou,yourfamily,petsor
bystandersavoidinjury.
DANGER
Mowingonwetgrassorsteepslopescan
causeslidingandlossofcontrol.Wheels
droppingoveredgescancauserollovers,
whichmayresultinseriousinjury,death
ordrowning.Alossoftractionisalossof
steeringcontrol.
Toavoidlossofcontrolandpossibilityof
rollover:
•Donotmowneardrop-offsornearwater.
•Donotmowslopesgreaterthan15
degrees.
•Reducespeedanduseextremecaution
onslopes.
•Whenmowingslopes,graduallywork
fromlowertohigherareasontheincline.
•Avoidsuddenturnsorrapidspeed
changes.
•Turnup,intoaninclinewhenchanging
directionsonslopes.Turningdownthe
slopereducestraction.
•Attachmentschangethehandling
characteristicsofthemachine.Useextra
cautionwhenusingattachmentswiththe
machine.
Figure5
1.Water
3.SafeZone-usetheQuest
here.
2.Usewalkbehindmower
and/orhandtrimmer
neardrop-offsand
water.
17
Operation
Seeinsidebackcovertodeterminetheapproximate
slopeangletobemowed.
RecommendedGasoline
UseUNLEADEDRegularGasolinesuitablefor
automotiveuse(87pumpoctaneminimum).
Important:Neverusemethanol,gasoline
containingmethanol,orgasoholcontaining
morethan10%ethanolbecausethefuelsystem
couldbedamaged.DoNotmixoilwithgasoline.
DANGER
Incertainconditionsgasolineisextremely
ammableandvaporsareexplosive.
Areorexplosionfromgasolinecanburn
you,others,andcausepropertydamage.
•Fillthefueltankoutdoorsinanopen
area,whentheengineiscold.Wipeup
anygasolinethatspills.
•Neverrellthefueltankordrainthe
machineindoorsorinsideanenclosed
trailer.
•DoNotllthefueltankcompletelyfull.
Addgasolinetothefueltankuntilthe
bodyofthetankisfullbutfueldoesnot
lltheneckofthetank.Thisemptyspace
inthetankallowsgasolinetoexpand.
•Neversmokewhenhandlinggasoline,
andstayawayfromanopenameor
wheregasolinefumesmaybeignitedby
spark.
•Storegasolineinanapprovedcontainer
andkeepitoutofthereachofchildren.
Neverbuymorethana30-daysupplyof
gasoline.
•DoNotoperatewithoutentireexhaust
systeminplaceandinproperworking
condition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleasedcausingaspark
whichcanignitegasolinevapors.Areor
explosionfromgasolinecanburnyouand
othersandcausepropertydamage.
•Alwaysplacegasolinecontainersonthe
groundawayfromyourvehiclebefore
lling.
•DoNotllgasolinecontainersinsidea
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.
18
Operation
UsingStabilizer/Conditioner
Useafuelstabilizer/conditionerinthemachineto
providethefollowingbenets:
•Keepsgasolinefreshduringstorageof30daysor
less.Forlongerstorageitisrecommendedthat
thefueltankbedrained.
•Cleanstheenginewhileitruns.
•Eliminatesgum-likevarnishbuildupinthefuel
system,whichcauseshardstartingAddthe
correctamountofgasstabilizer/conditionerto
thegas.
Note:Afuelstabilizer/conditionerismosteffective
whenmixedwithfreshgasoline.Tominimizethe
chanceofvarnishdepositsinthefuelsystem,usefuel
stabilizeratalltimes.
Gasoline/Alcoholblends
Gasohol(upto10percentethylalcohol,90percent
unleadedgasolinebyvolume)isapprovedforfueluse
bytheenginemanufacturer.Othergasoline/alcohol
blendsarenotapproved.
FillingtheFuelTank
1.Shuttheengineoffandsetthemotioncontrols
totheneutralpositionandengageparkingbrake.
2.Cleanaroundthefueltankcapandremovethe
cap.
3.Addunleadedregulargasolineuntilthebodyof
thetankisfullbutfueldoesnotlltheneckof
thetank(Figure6).Thisspaceintheneckofthe
tankallowsgasolinetoexpand.Donotllthe
fueltankcompletelyfull.
Figure6
1.Gastankopening3.Gastankbody
2.Filltohere,
approximately
4.Installthefueltankcapsecurely.Wipeupany
gasolinethatmayhavespilled.
CheckingtheEngineOil
Level
Beforeyoustarttheengineandusethemachine,
checktheoillevelintheenginecrankcase;referto
CheckingtheOilLevelinEngineMaintenance.
StartingtheEngine
1.Sitdownontheseatandmovethemotion
controlsoutwardtotheneutralpositionand
engagetheparkingbrake.
2.Disengagethebladesbymovingthebladecontrol
switchtoOff(Figure7).
19
Operation
Figure7
1.Controlpanel
2.Bladecontrol
switch—Offposition
3.Movethethrottlelevertomidwayandthechoke
leverforwardbeforestartingacoldengine
(Figure8).
Note:Awarmorhotenginemaynotrequire
choking.
Figure8
1.Controlpanel
4.Throttle—slow
2.Choke—on5.Throttle—fast
3.Choke–off
4.TurntheignitionkeytoStarttoenergizethe
starter.Whentheenginestarts,releasethekey
(Figure9).
Important:Donotengagethestarterfor
morethan5secondsatatime.Iftheengine
failstostart,allowa60secondcool-down
periodbetweenattempts.Failuretofollow
theseinstructionscanburnoutthestarter
motor.
Figure9
1.Ignitionkey—start
position
4.Start
2.Controlpanel
5.Run
3.Choke6.Off
5.Iftheenginestallsorhesitates,movethe
chokeleverpartiallyforwardforafewseconds
(Figure9).
OperatingtheBlades
Thebladecontrolswitch,representedbyapower
take-off(PTO)symbol,engagesanddisengages
powertothemowerblades.Thisswitchcontrols
powertoanyattachmentsthatdrawpowerfromthe
engine,includingthemowerdeckandcuttingblades.
EngagingtheBlades
1.Releasepressureonthemotioncontrolleversand
placethemachineinneutral.
2.MovethethrottlemidwaytotheFastposition.
Note:Alwaysengagethebladeswiththethrottle
inthemidwayposition.
3.PulloutonthebladecontrolswitchtoOnto
engagetheblades(Figure10).
20
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