QUEST®
ForSerialNos.
850,000&Higher
PartNo.4500-523Rev.B
WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Theengineinthisproductisnot
equippedwithasparkarrestermufer.Itisa
violationofCaliforniaPublicResourceCode
(CPRC)Section4442touseoroperatethis
engineonanyforest-covered,brush-covered,or
grass-coveredlandasdenedinCPRC4126.
Otherstatesorfederalareasmayhavesimilar
laws.
Toacquireasparkarresterforyourunit,seeyour
EngineServiceDealer.
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.
©2010ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310
2
Contactusatwww.Exmark.com.
PrintedintheUSA
AllRightsReserved
Introduction
Readthisinformationcarefullytolearnhowto
operateandmaintainyourproductproperlyandto
avoidinjuryandproductdamage.Youareresponsible
foroperatingtheproductproperlyandsafely.
Exmarkpartsmanualsareavailableonlineat
http://www.exmark.com/manuals.htm.Youmay
contactExmarkdirectlyatwww.Exmark.comfor
productandaccessoryinformationorhelpnding
adealer.
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.......................9
Specications.......................................................14
ModelNumbers............................................14
Systems.........................................................14
Dimensions...................................................15
TorqueRequirements....................................16
ProductOverview................................................16
Operation.............................................................17
Controls........................................................17
OperatingInstructions..................................18
RecommendedGasoline................................18
CheckingtheEngineOilLevel.......................20
StartingtheEngine........................................20
OperatingtheBlades.....................................21
StoppingtheEngine......................................21
TheSafetyInterlockSystem...........................22
DrivingForwardorBackward........................22
StoppingtheMachine....................................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................................31
CheckingtheHydraulicOilLevel...................33
ChangetheHydraulicSystemFilter................33
ServicingtheSparkPlug................................34
CleaningtheBlowerHousing.........................35
FuelSystemMaintenance..............................35
ElectricalSystemMaintenance.......................36
ChargingtheBattery......................................36
ServicingtheFusesandRelay.........................39
DriveSystemMaintenance............................39
CheckingtheTirePressure............................39
MowerMaintenance......................................40
ServicingtheCuttingBlades..........................40
MowerBeltMaintenance...............................42
LevelingtheMowerDeck..............................43
AdjustingtheBladeSlope..............................44
ReplacingtheDischargeDeector.................45
Adjustments.....................................................46
TrackingAdjustment.....................................46
BrakeLinkageAdjustment.............................46
Cleaning...........................................................47
WashingtheUndersideoftheMower.............47
Storage.................................................................49
CleaningandStorage.....................................49
Troubleshooting...................................................50
Schematics...........................................................52
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.
•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.
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.
•Onlyadultsandmatureteenagersshouldoperate
amower,andevenmatureteenagersshouldhave
adultsupervision.Besureateenager:
1.hasreadandunderstandstheOperator’s
Manualandrecognizestherisksinvolved;
2.issufcientlymaturetousecaution;and
3.isofsufcientsizeandweighttooperate
thecontrolscomfortablyandtomanagethe
mowerwithouttakingrisks.
•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.
7
Safety
•UseonlyExmarkapprovedattachments.
Warrantymaybevoidedifusedwithunapproved
attachments.
•Ifloadingthemachineontoatrailerortruck,use
asingle,full-widthramponly.Therampangle
shouldnotexceed15degrees.
Note:Theleftandrightsidesofthemachineare
determinedwhilesittingintheseatinthenormal
operatingposition
8
Safety
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedorlost.
93-7009
1.Warning–DoNotoperate
themowerwiththe
dischargedeectorup
orremoved;keepthe
dischargedeectorin
place.
2.Cutting/dismemberment
hazardofhandorfoot,
mowerblade–stayaway
frommovingparts.
103-6327
AllUnitsExceptQST20BE422
1.Choke–on
2.Throttle–fast
3.Continuousvariablesetting
4.Throttle–slow
106-5517
1.Warning–DoNottouchthehotsurface.
109-6008
1.ReadtheOperator’s
Manual.
3.Pushthemachine.
2.Rotatethedriverelease
knobtoloosen,slidethe
knob,andtighten.
109-6014
TractionDriveBeltRouting
9
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.
109-9120
1.Fuse2.Diode
109-9173
1.Parkingbrake4.Neutral
2.Fast5.Reverse
3.Slow6.MachineSpeed
109-9182
1.Machinespeed4.Neutral
2.Fast5.Reverse
3.Slow
10
Safety
110-6691
1.Thrownobjects
hazard–keepbystanders
asafedistancefromthe
machine.
3.Cutting/dismemberment
ofhandorfoot–stay
awayfrommovingparts.
2.Thrownobjectshazard,
mower–keepthe
dischargedeector
orcollectionsystemin
place.
116-0531
116-0532
QST20BE422Unit
1.Choke–on
2.Throttle–fast
3.Continuousvariablesetting
4.Throttle–slow
116-0533
116-0551
116-0581
11
Safety
117–2718
PTOSymbols
1.PTO—Off2.PTO—On
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.
12
Safety
116-2321
1.Readtheinstructionsbeforeservicingorperforming
maintenance.
4.CheckhydraulicoillevelandrefertotheOperator’s
Manualforfurtherinstructions.
2.Timeinterval
5.Checktirepressure.
3.Checkoillevel.6.RefertotheOperator’smanualforgreaseinstructions.
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.
13
Specications
Specications
ModelNumbers
SerialNos:850,000andHigher
QST20BE422;QST22BE482;QST24BE522;QST22BE482C;QST24BE522C
Systems
Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•RPM:
–20HP
FullSpeed:3300±100(max)RPM(NoLoad)
Idle:1650(min)RPM
–22HP&24HP
FullSpeed:3650±100(max)RPM(NoLoad)
Idle:1650(min)RPM
FuelSystem
•Capacity:4.0gal.(15.1L)
•TypeofFuel:Regularunleadedgasoline,87
octaneorhigher;containingnomorethan10%
methanolorethanol.
•FuelFilter:
Briggs&StrattonP/N695666
•FuelShut-OffValve:1/4turnincrements(“ON”,
“OFF”)
ElectricalSystem
•ChargingSystem:FlywheelAlternator
•ChargingCapacity:16amps
•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(armrests
areoptionalonthe42inchunit).
•Mounting:Hingedtotiltupforaccessto
hydraulicpumps,batteryandothercomponents.
Heldintiltedpositionwithlanyard.Adjustable
foreandaft.
14
Specications
•Armrests:Standard–foampaddedip-up
adjustableheightarmrests(optionalonthe42
inchunit).
•SeatSafetySwitch:IncorporatedintotheSafety
InterlockSystem.
HydrostaticGroundDriveSystem
•HydrostaticPumps:TwoHydroGearZT2800
Integrateddrivesystems.
•HydraulicOilType:ExmarkPremiumHydrooil.
•Speeds:
–42inchunit
◊0-6.0mph(9.7km/hr)forward.
◊0-4.0mph(6.4km/hr)reverse.
–48inchand52inchunits
◊0-7.0mph(11.3km/hr)forward.
◊0-5.0mph(8.0km/hr)reverse.
•Drivewheelreleases,locatedonleftandright
sidesofenginedeck,allowmachinetobemoved
whentheengineisnotrunningandbrakeisoff.
Tires&Wheels
DriveFrontCaster
Pneumatic
(Air-Filled)
Pneumatic
(Air-Filled)
Deck
Size
42&48524248&52
Quantity
2222
Tread
TurfTecTurfTecSawtoothSmooth
Size20x
8.00-8
20x
10.00-8
10x410x4
Ply
Rating
44
Pressure
13psi
(90kPa)
13psi
(90kPa)
20psi
(138kPa)
13psi
(90kPa)
CuttingDeck
•CuttingWidth:
–42inchDeck:42inches(107cm)
–48inchDeck:48inches(122cm)
–52inchDeck:52inches(132cm)
•Discharge:Side
•BladeSize:(3ea.)
–42inchDeck:21.25inches(53.9cm)
–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
providedwithanti-scalprollers.
Deckdesignallowsforbagging,mulchingorside
discharge.
•DeckDepth:
–42inchDeck:5.0inches(12.7cm)
–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:
42inch
Deck
48inch
Deck
52inch
Deck
Without
Deck
45.5inches
(116cm)
45.5inches
(116cm)
47.0inches
(119cm)
Deector
Up
43.1inches
(109cm)
48.3inches
(122cm)
53.0inches
(135cm)
Deector
Down
54.2inches
(138cm)
59.4inches
(151cm)
64.2inches
(163cm)
OverallLength:
AllUnits
73.4inches(186cm)
15
ProductOverview
OverallHeight:
AllUnits
41.8inches(106cm)
TreadWidth:(CentertoCenterof
Tires,Widthwise)
42inch
Deck
48inch
Deck
52inch
Deck
Drive
Wheels
36.0inches
(91cm)
36.0inches
(91cm)
36.8inches
(93cm)
Caster
Wheels
27.9inches
(71cm)
33.5inches
(85cm)
33.5inches
(85cm)
WheelBase:(CenterofCasterTireto
CenterofDriveTire)
AllUnits
48.9inches(124cm)
CurbWeight:
42inchDeck48inchDeck52inchDeck
630lb(286kg)645lb(293kg)660lb(299kg)
TorqueRequirements
BoltLocation
Torque
SpindlePulleyNut75-85ft-lb(102-115N-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
16
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.Throttle/Chokelever
3.Bladecontrolswitch
(powertake-off)
2.Hourmeter4.Ignitionswitch
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(seeFigure4).
Pulloutonthebladecontrolswitchto“On”to
engagetheblades.
Pushthebladecontrolswitchto“Off”todisengage
theblades.
Throttle/ChokeLever
Locatedoncontrolpanel.
Thethrottleisusedtocontrolenginespeed.Moving
throttleleverforwardwillincreaseenginespeedand
movingthrottlelevertotherearwilldecreaseengine
speed.Movingthethrottleforwardintothedetentis
fullthrottle(see
Figure4).
Thechokeisusedtoaidinstartingacoldengine.
DoNotrunawarmenginewiththechokeinthe
“ON”position.Movingtheleverforwardbeyond
thedetentwillputthechokeinthe“ON”position
andmovingthelevertothedetentwillputthechoke
inthe“OFF”position.
MotionControlLevers
Themotioncontrolleverslocatedoneachsideof
theseat(
Figure3).
Themotioncontrolleversarespeedsensitivecontrols
ofindependentwheelmotors.Movingalever
forwardorbackwardturnsthewheelonthesameside
forwardorinreverse;wheelspeedisproportionalto
theamounttheleverismoved.Movingthecontrol
leversoutwardfromthecenterpositionlocksthem
intheneutralposition.Alwayspositionthemotion
controlleversintotheneutralpositionandengage
theparkbrakeleverwhenyoustopthemachineor
leaveitunattended.Theunitmustbetieddownand
brakeengagedwhentransporting.
17
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,hour
meterwillnotrun.Thehourmeterisstandardonthe
48and52inchunitsandoptionalforthe42inchunit.
Note:Thisswitchisnotalowoilsensorandwillnot
alerttheoperatoriftheengineoilislow .
OperatingInstructions
ThinkSafetyFirst
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Pleasecarefullyreadallofthesafetyinstructions
anddecalsinthesafetysection.Knowingthis
informationcouldhelpyou,yourfamily,petsor
bystandersavoidinjury.
DANGER
Mowingonwetgrassorsteepslopescancause
slidingandlossofcontrol.Wheelsdropping
overedgescancauserollovers,whichmayresult
inseriousinjury,deathordrowning.Alossof
tractionisalossofsteeringcontrol.
Toavoidlossofcontrolandpossibilityofrollover:
•DoNotmowneardrop-offsornearwater.
•DoNotmowslopesgreaterthan15degrees.
•Reducespeedanduseextremecautionon
slopes.
•Whenmowingslopes,graduallyworkfrom
lowertohigherareasontheincline.
•Avoidsuddenturnsorrapidspeedchanges.
•Turnup,intoaninclinewhenchanging
directionsonslopes.Turningdowntheslope
reducestraction.
•Attachmentschangethehandling
characteristicsofthemachine.Useextra
cautionwhenusingattachmentswiththe
machine.
Figure5
1.Water
2.DangerZone–Usewalkbehindmowerand/orhand
trimmeronslopesgreaterthan15degrees,near
drop-offsandwater.
3.SafeZone–usetheQuesthere.
Seeinsidebackcovertodeterminetheapproximate
slopeangletobemowed.
RecommendedGasoline
UseUNLEADEDRegularGasolinesuitablefor
automotiveuse(87pumpoctaneminimum).
18
Operation
Important:Neverusemethanol,gasoline
containingmethanol,gasoholcontainingmore
than10%ethanol,premiumgasoline,orwhite
gasbecausethefuelsystemcouldbedamaged.
DoNotmixoilwithgasoline.
DANGER
Incertainconditionsgasolineisextremely
ammableandvaporsareexplosive.
Areorexplosionfromgasolinecanburnyou,
others,andcausepropertydamage.
•Fillthefueltankoutdoorsonlevelground,in
anopenarea,whentheengineiscold.Wipe
upanygasolinethatspills.
•Neverrellthefueltankordrainthemachine
indoorsorinsideanenclosedtrailer.
•DoNotllthefueltankcompletelyfull.Add
gasolinetothefueltankuntilthebodyofthe
tankisfullbutfueldoesnotlltheneckof
thetank.Thisemptyspaceinthetankallows
gasolinetoexpand.
•Neversmokewhenhandlinggasoline,and
stayawayfromanopenameorwhere
gasolinefumesmaybeignitedbyspark.
•Storegasolineinanapprovedcontainerand
keepitoutofthereachofchildren.Never
buymorethana30-daysupplyofgasoline.
•DoNotoperatewithoutentireexhaustsystem
inplaceandinproperworkingcondition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleasedcausingasparkwhich
canignitegasolinevapors.Areorexplosion
fromgasolinecanburnyouandothersandcause
propertydamage.
•Alwaysplacegasolinecontainersonthe
groundawayfromyourvehiclebeforelling.
•DoNotllgasolinecontainersinsidea
vehicleoronatruckortrailerbedbecause
interiorcarpetsorplastictruckbedliners
mayinsulatethecontainerandslowtheloss
ofanystaticcharge.
•Whenpractical,removegas-powered
equipmentfromthetruckortrailerandrefuel
theequipmentwithitswheelsontheground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfroma
portablecontainer,ratherthanfroma
gasolinedispensernozzle.
•Ifagasolinedispensernozzlemustbeused,
keepthenozzleincontactwiththerimofthe
fueltankorcontaineropeningatalltimes
untilfuelingiscomplete.
WARNING
Gasolineisharmfulorfatalifswallowed.
Long-termexposuretovaporshascausedcancer
inlaboratoryanimals.Failuretousecautionmay
causeseriousinjuryorillness.
•Avoidprolongedbreathingofvapors.
•Keepfaceawayfromnozzleandgas
tank/containeropening.
•Keepawayfromeyesandskin.
•Neversiphonbymouth.
19
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).
20
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
/
