TURFTRACER®
TT23KAEPMODELONLY
ForSerialNos.
790,000&Higher
PartNo.4500-382Rev.A
WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,or
otherreproductiveharm.
Important:Whenthemowerisusedoroperated
onanyCaliforniaforest,brushorgrasscovered
land,aworkingsparkarrestermustbeattached
tothemufer.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
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2008—ExmarkMfg.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.
Ifadditionalinformationisneeded,orshouldyou
requiretrainedmechanicservice,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.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
3
Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals.....................10
Specications.......................................................12
ModelNumbers............................................12
Systems.........................................................12
Dimensions...................................................13
TorqueRequirements....................................14
ProductOverview................................................14
Operation.............................................................15
Controls........................................................15
Pre-Start........................................................16
OperatingInstructions..................................17
Transporting.................................................20
Maintenance.........................................................21
RecommendedMaintenanceSchedule(s)...........21
PeriodicMaintenance.......................................22
CheckEngineOilLevel.................................22
CheckBatteryCharge....................................22
CheckMowerBlades.....................................23
CheckSafetyInterlockSystem.......................23
CheckforLooseHardware............................24
ServiceAirCleaner........................................24
ChangeEngineOil........................................24
CheckHydraulicOilLevel.............................24
CheckTirePressures.....................................25
CheckConditionOfBelts..............................25
LubricateGreaseFittings...............................25
LubricateCasterWheelHubs........................26
RemoveEngineShroudsandCleanCooling
Fins...........................................................26
CheckSparkPlugs.........................................26
ChangeHydraulicSystemFilter.....................27
WheelHub-SlottedNutTorque
Specication..............................................28
ThreadLockingAdhesives.............................28
MobilHTSGrease(OrFood-Grade
Anti-seize).................................................29
Copper-BasedAnti-seize..............................29
DielectricGrease...........................................29
Adjustments.....................................................29
DeckLeveling...............................................29
PumpDriveBeltTension...............................29
DeckBeltTension.........................................29
BladeDriveBeltTension..............................29
BrakeAdjustment..........................................29
SpeedControlLinkageandNeutralSafety
SwitchAdjustment....................................29
NeutralControlLinkagesAdjustment............30
HydroControlLinkageAdjustment...............30
DriveLeverLinkageAdjustment...................31
TrackingAdjustment.....................................31
HydroPumpSpringTensionSetting..............32
ElectricClutchAdjustment............................32
Cleaning...........................................................32
CleanGrassBuild-UpUnderDeck................32
WasteDisposal..............................................32
Troubleshooting...................................................34
Schematics...........................................................36
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.
Areorexplosionfromgasolinecanburn
you,others,andcausepropertydamage.
•Fillthefueltankoutdoorsinanopen
area,whentheengineiscold.Wipeup
anygasolinethatspills.
•Neverrellthefueltankordrainthe
machineindoorsorinsideanenclosed
trailer.
•DoNotllthefueltankcompletely
full.Addgasolinetothefueltankuntil
thelevelis1/4to1/2inch(6–13mm)
belowthebottomofthellerneck.This
emptyspaceinthetankallowsgasoline
toexpand.
•Neversmokewhenhandlinggasoline,
andstayawayfromanopenameor
wheregasolinefumesmaybeignitedby
spark.
•Storegasolineinanapprovedcontainer
andkeepitoutofthereachofchildren.
•Addfuelbeforestartingtheengine.
Neverremovethecapofthefueltankor
addfuelwhenengineisrunningorwhen
theengineishot.
•Iffuelisspilled,DoNotattempttostart
theengine.Moveawayfromtheareaof
thespillandavoidcreatinganysourceof
ignitionuntilfuelvaporshavedissipated.
•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.
•Checkthattheoperator’spresencecontrols,
safetyswitches,andshieldsareattachedand
functioningproperly.DoNotoperateunlessthey
arefunctioningproperly.
6
Safety
Operation
WARNING
Operatingengineparts,especiallythe
mufer,becomeextremelyhot.Severeburns
canoccuroncontactanddebris,suchas
leaves,grass,brush,etc.cancatchre.
•Allowengineparts,especiallythemufer,
tocoolbeforetouching.
•Removeaccumulateddebrisfrommufer
andenginearea.
•Installandmaintaininworkingordera
sparkarresterbeforeusingequipment
onforest-covered,grass-covered,or
brush-coveredunimprovedland.
WARNING
Engineexhaustcontainscarbonmonoxide,
whichisanodorlessdeadlypoisonthatcan
killyou.
DoNotrunengineindoorsorinasmall
connedareawheredangerouscarbon
monoxidefumescancollect.
•Operateonlyindaylightorgoodarticiallight,
keepingawayfromholesandhiddenhazards.
•Besurealldrivesareinneutralandparkingbrake
isengagedbeforestartingengine.
•Neverraisedeckwithbladesrunning.
•Neveroperatethemowerwithdamagedguards,
shields,orcovers.Alwayshavesafetyshields,
guards,switchesandotherdevicesinplaceandin
properworkingcondition.
•Nevermowwiththedischargedeectorraised,
removedoralteredunlessthereisagrass
collectionsystemormulchkitinplaceand
workingproperly.
•DoNotchangetheenginegovernorsettingor
overspeedtheengine.
•Stopengine,waitforallmovingpartstostop,
removekeyandengageparkingbrake:
–Beforechecking,cleaningorworkingonthe
mower.
–Afterstrikingaforeignobjectorabnormal
vibrationoccurs(inspectthemowerfor
damageandmakerepairsbeforerestarting
andoperatingthemower).
–Beforeclearingblockages.
–Wheneveryouleavethemower.
•Stopengine,waitforallmovingpartstostop,and
engageparkingbrake:
–Beforerefueling.
–Beforedumpingthegrasscatcher.
–Beforemakingheightadjustments.
WARNING
Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.
•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesin
placeandworkingproperly.
•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.
•DONOToperatethemowerwhenpeople,
especiallychildren,orpetsareinthearea.
•Bealert,slowdownandusecautionwhenmaking
turns.Lookbehindandtothesidebefore
changingdirections.
•Stoptheblades,slowdown,andusecautionwhen
crossingsurfacesotherthangrassandwhen
transportingthemowertoandfromtheareato
bemowed.
•Beawareofthemowerdischargepathanddirect
dischargeawayfromothers.
•DoNotoperatethemowerundertheinuence
ofalcoholordrugs.
•Useextremecarewhenloadingorunloadingthe
machineintoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
SlopeOperation
UseExtremecautionwhenmowingand/orturning
onslopesaslossoftractionand/ortip-overcould
occur.Theoperatorisresponsibleforsafeoperation
onslopes.
7
Safety
DANGER
Operatingonwetgrassorsteepslopescan
causeslidingandlossofcontrol.Lossof
controland/orlossofoperator’sfooting
couldresultinafallwithanarmorleg
gettingunderthemowerorenginedeck
whichmayresultinseriousinjury,deathor
drowning.
•Mowacrossslopes,neverupanddown.
•DoNotmowslopeswhengrassiswet.
•DoNotmowneardrop-offsornearwater.
•DoNotmowslopesgreaterthan20
degrees.
•Reducespeedanduseextremecaution
onslopes.
•Avoidsuddenturnsorrapidspeed
changes.
•Seeinsidethebackcovertodeterminethe
approximateslopeangleoftheareatobemowed.
•Removeormarkobstaclessuchasrocks,tree
limbs,etc.fromthemowingarea.Tallgrasscan
hideobstacles.
•Watchforditches,holes,rocks,dipsandrisesthat
changetheoperatingangle,asroughterraincould
overturnthemachine.
•Avoidsuddenstartswhenmowinguphillbecause
themowermaytipbackwards.
•Beawarethatoperatingonwetgrass,acrosssteep
slopesordownhillmaycausethemowertolose
traction.Lossoftractiontothedrivewheelsmay
resultinslidingandalossofbrakingandsteering.
•Alwaysavoidsuddenstartingorstoppingona
slope.Iftireslosetraction,disengagetheblades
andproceedslowlyofftheslope.
•Followthemanufacturer’srecommendationsfor
wheelweightsorcounterweightstoimprove
stability.
•Useextremecarewithgrasscatchersor
attachments.Thesecanchangethestabilityofthe
machineandcauselossofcontrol.
MaintenanceandStorage
•Disengagedrives,lowerimplement,setparking
brake,stopengineandremovekeyordisconnect
sparkplugwire.Waitforallmovementtostop
beforeadjusting,cleaningorrepairing.
•Keepengineandengineareafreefrom
accumulationofgrass,leaves,excessivegrease
oroil,andotherdebriswhichcanaccumulate
intheseareas.Thesematerialscanbecome
combustibleandmayresultinare.
•Letenginecoolbeforestoringanddonotstore
nearameoranyenclosedareawhereopenpilot
lightsorheatappliancesarepresent.
•Shutofffuelwhilestoringortransporting.Do
Notstorefuelnearamesordrainindoors.
•Parkmachineonlevelground.Neverallow
untrainedpersonneltoservicemachine.
•Usejackstandstosupportcomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Disconnectbatteryorremovesparkplugwire
beforemakinganyrepairs.Disconnectthe
negativeterminalrstandthepositivelast.
Reconnectpositiverstandnegativelast.
•Usecarewhencheckingblades.Wraptheblade(s)
orweargloves,andusecautionwhenservicing
them.Onlyreplacedamagedblades.Never
straightenorweldthem.
•Keephandsandfeetawayfrommovingparts.
Ifpossible,donotmakeadjustmentswiththe
enginerunning.
•Chargebatteriesinanopenwellventilatedarea,
awayfromsparkandames.Unplugcharger
beforeconnectingordisconnectingfrombattery.
Wearprotectiveclothinganduseinsulatedtools.
•Keepallguards,shieldsandallsafetydevicesin
placeandinsafeworkingcondition.
•Checkallboltsfrequentlytomaintainproper
tightness.
•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.
•Allreplacementpartsmustbethesameas
orequivalenttothepartssuppliedasoriginal
equipment.
8
Safety
WARNING
Hydraulicuidescapingunderpressure
canpenetrateskinandcauseinjury.Fluid
accidentallyinjectedintotheskinmustbe
surgicallyremovedwithinafewhoursbya
doctorfamiliarwiththisformofinjuryor
gangrenemayresult.
•Makesureallhydraulicuidhoses
andlinesareingoodconditionand
allhydraulicconnectionsandttings
aretightbeforeapplyingpressureto
hydraulicsystem.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpaper,notyourhands,
tondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulic
systembyplacingthemotioncontrol
leversinneutralandshuttingoffthe
enginebeforeperforminganyworkon
thehydraulicsystem.
9
Safety
SafetyandInstructionalDecals
•Keepallsafetysignslegible.Removeallgrease,
dirtanddebrisfromsafetysignsandinstructional
labels.
•Replaceallworn,damaged,ormissingsafety
signs.
•Whenreplacementcomponentsareinstalled,be
surethatcurrentsafetysignsareafxedtothe
replacedcomponents.
•Ifanattachmentoraccessoryhasbeeninstalled,
makesurecurrentsafetysignsarevisible.
•Newsafetysignsmaybeobtainedfrom
yourauthorizedExmarkequipmentdealeror
distributororfromExmarkMfg.Co.Inc.
•Safetysignsmaybeafxedbypeelingoffthe
backingtoexposetheadhesivesurface.Apply
onlytoaclean,drysurface.Smoothtoremove
anyairbubbles.
•Familiarizeyourselfwiththefollowingsafetysigns
andinstructionlabels.Theyarecriticaltothesafe
operationofyourExmarkcommercialmower.
1–303102
1-303517
1-403143
1-413214
1-513747
103-2076
103-5354
10
Safety
103-2432
103-4935
116-0404
11
Specications
Specications
ModelNumbers
SerialNos:790,000andHigher
TT23KAEP
Systems
Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•RPM:FullSpeed:3600(NoLoad)
FuelSystem
•Capacity:5.0gal.(18.9L)
•TypeofFuel:Regularunleadedgasoline,87
octaneorhigher.
•FuelFilter:ReplaceableIn-line
•FuelShut-OffValve:1/4turnincrements
ElectricalSystem
•ChargingSystem:FlywheelAlternator
•ChargingCapacity:15amps
•BatteryType:BCIGroupU1235amps0°F
•BatteryVoltage:12Volt
•Polarity:NegativeGround
•Fuses:Twobladetype,20amptochargingcircuit;
20amptoelectricclutch
SafetyInterlockSystem:
•OperatormusthaveOPC(OperatorPresence
Control)leversheldincontactwithhandle
grips,speedcontrolleverinneutral,andPTO
disengagedtostartengine.ReleaseofOPClevers
willcausetheenginetostopifspeedcontrollever
isnotinneutraland/orPTOisengaged.
•Parkbrakemustbeengagedtomovespeed
controloutofneutralorenginewillkill.
OperatorControls
SteeringControl:Fingertipdrivecontrollevers
provideindependentspeedcontrol,brakingand
neutraltoeachdrivewheelformovingforwardor
reverse,stopping,andpowerturning.
Transmission
•TwoHydroGearvariabledisplacementpiston
pumpsindependentlycoupledtotwohigh
efciencyParkerwheeldrivemotors.
•HydraulicOil:UseExmarkPremiumHydroOil.
•HydraulicOilCapacity:2.4qt.(2.2L)
•HydraulicFilterisreplaceablecartridgetype.
P/N109–4180:25microns,10psibypass
(Summeruseabove32°F(0°C))
P/N1–523541:40microns,18psibypass(Winter
usebelow32°F(0°C))
•Speeds:
–0-6.75mph(10.9km/hr)forward.
–0-2.25mph(3.6km/hr)reverse.
•Drivewheelreleasevalvesallowmachinetobe
movedwhenengineisnotrunning.
WheelDriveSystem
DrivewheelsaredirectcoupledtoParkerwheeldrive
motorswith1inch(25.4mm)taperedshaft.
12
Specications
Tires&Wheels
DriveFrontCaster
Pneumatic
(Air-Filled)
Semi-Pneumatic
Quantity
22
Tread
TurfMasterSmooth
Size18x8.50-811x4.00-5
PlyRating
4
Pressure
14psi(96kPa)
CuttingDeck
•ModelNumbers:
–FMD524
–FMD604
•CuttingWidth:
–52inch(132.1cm)
–60inch(152.4cm)
•Discharge:Side
•BladeSize:(3ea.)
–52inchDeck:18.00inches(45.7cm)
–60inchDeck:20.50inches(52.1cm)
•BladeSpindles:Solidsteelspindleswith13/4
inch(4.45cm)I.D.bearings.
•DeckDrive:
–Electricclutchmountedonengineshaft.
–Bladesdrivenbytwobelts(w/self-tensioning
idlers).
•Deck:
Fulloatingdeckisattachedtoout-frontsupport
frame,removableforservice.Sixanti-scalprollers
providemaximumturfprotection.Deckdesign
allowsforbagging,mulchingorsidedischarge.
•DeckDepth:
–52inchDeck:5.5inches(14.0cm)
–60inchDeck:5.5inches(14.0cm)
•CuttingHeightAdjustment:
Adjustsfrom11/2inches(3.8cm)to41/2
inches(11.4cm)in1/2inch(1.3cm)increments.
•MulchingKit:Optional
•Bagger:Optional
Dimensions
OverallWidth:
52inchDeck60inchDeck
DeectorUp53.4inches
(135.6cm)
61.4inches
(156.0cm)
DeectorDown64.8inches
(164.6cm)
73.0inches
(185.4cm)
OverallLength:
52inchDeck60inchDeck
83.4inches(211.8cm)83.4inches(211.8cm)
OverallHeight:
52inchDeck60inchDeck
45inches(114.3cm)45inches(114.3cm)
TreadWidth:(OutsidetoOutsideof
Tires,Widthwise)
52inchDeck60inchDeck
45.8inches(116.3cm)45.8inches(116.3cm)
WheelBase:(CenterofCasterTireto
CenterofDriveTire)
52inchDeck60inchDeck
43.3inches(110.0cm)43.3inches(110.0cm)
CurbWeight:
52inchDeck60inchDeck
720lb(327kg)760lb(345kg)
13
ProductOverview
TorqueRequirements
BoltLocation
Torque
CutterHousingSpindle
Nut
140–145ft-lb(190–197
N-m)
BladeMountingBolt
(lubricatewithanti-seize)
55-60ft-lb(75-81N-m)
EngineDeck/Mower
DeckSupportMount
Bolts
30-35ft-lb(41-47N-m)
Type1Hardware
–Anti-ScalpRoller
WhizlockNutSeeFigure8
40-45ft-lb(54-61N-m)
Type2
Hardware–Anti-Scalp
RollerNylocNutSee
Figure8
30-35ft-lb(41-47N-m)
Type2&3Hardware
–Anti-ScalpRollerHex
CapscrewSeeFigure8
50-55ft-lb(68-75N-m)
Type3
Hardware–Anti-Scalp
RollerFlangedNylocNut
SeeFigure8
30-35ft-lb(41-47N-m)
Type4
Hardware–Anti-Scalp
RollerWhizlockNutSee
Figure8
30-35ft-lb(41-47N-m)
Type4
Hardware–Anti-Scalp
RollerNylocNutSee
Figure8
30-35ft-lb(41-47N-m)
EngineMountingBolts
15-20ft-lb(20-27N-m)
WheelLugNuts
90-95ft-lb(122-129N-m)
WheelHubSlottedNutsminimum100ft-lb(136
N-m)
ClutchRetainingBolt
(securedwiththreadlocker)
55-60ft-lb(75-81N-m)
WheelMotorMounting
Bolts
30-35ft-lb(41-47N-m)
ProductOverview
Figure3
1.Controls
3.ParkBrakeLever
2.FuelCap4.Height-of-CutPins
14
Operation
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Controls
OperatorPresenceControl(OPC)
Levers
Locatedontheupperhandleassemblydirectlyabove
thehandlegrips.
Whentheseleversaredepressed,theOPCsystem
sensesthattheoperatorisinthenormaloperator’s
position.Whentheleversarereleased,theOPC
systemsensesthattheoperatorhasmovedfromthe
normaloperatingpositionandwillkilltheengineif
eitherthespeedcontrolleverisnotintheneutral
positionorthePTOisengaged.
Figure4
1.Latchisinthedrive
position
5.Neutral-holdinthis
position
2.Rotatebackforneutral
lockposition
6.Forward-releasedrive
lever
3.Neutral7.Reverse-squeezedrive
lever
4.Fullspeedforward
DriveLevers
Locatedoneachsideoftheupperhandleassembly
directlybelowthehandlegrips.
Theseleversindividuallycontrolthespeedand
directionofeachdrivewheel.Whenthespeedcontrol
leverismovedoutoftheneutralpositionandthe
neutrallocklatchesaremovedintothedriveposition,
asshowninFigure4,andthedriveleversarereleased,
thedrivewheelsareengagedintheforwarddirection.
Squeezingthelefthandand/orrighthandlever
causesthelefthandand/orrighthanddrivewheel
respectivelytoslowdown,stop,orreverse,depending
onhowfareachdriveleveris“squeezed”.Squeezing
thedriveleversbeyondtheneutralpositioncauses
thedrivewheelstoengageinthereversedirection
regardlessofthepositionoftheneutrallocklatches
andthespeedcontrollever.
NeutralLockLatches
Locateddirectlyabovethedrivelevers.
Theselatchesallowtheoperatortolockthedrive
leversina“neutral”positionwherethedrivewheels
arenotengagedineitheraforwardorreverse
direction,seeFigure4.
ChokeControl
Locatedonthecontrolconsolerighthandside.
Chokeisusedtoaidinstartingacoldengine.The
chokecontrolispulledouttobeinthe“ON”position
andpushedintobeinthe“OFF”position.DoNot
runawarmenginewithchokeinthe“ON”position.
ThrottleControl
Locatedonthecontrolconsole’srightside.
Thethrottleisusedtocontrolenginespeed.Moving
thethrottlecontrolforwardwillincreaseenginespeed
andmovingittotherearwilldecreaseenginespeed.
SpeedControlLever
Locatedinmiddleofcontrolconsole.
Thespeedcontrollevercontrolsthemaximum
forwardspeedandisinnitelyvariablefromneutral
0–6.75mph(10.9km/hr).
Parkbrakemustbedisengagedtomovespeedcontrol
outofneutralorenginewillkill.
BrakeLever
Locatedontheleftsideoftheunitabovethe
hydraulictank.
15
Operation
Thebrakeleverengagestheparkbrakeonthedrive
wheels.
Pulltheleverupandrearwardtoengagethebrake.
Pushtheleverforwardanddowntodisengagethe
brake.
Whenparkingonasteepslope,thewheelsmustbe
chockedorblockedinadditiontothebrakebeing
engaged.Theunitmustbetieddownandbrake
engagedwhentransporting.
Parkbrakemustbedisengagedtomovespeedcontrol
outofneutralorenginewillkill.
IgnitionSwitch
Locatedonthecontrolconsole.
Theignitionswitchisusedtostartandstopthe
engine.Theignitionswitchhasthreepositions,
“Off”,“On”and“Start”.Insertkeyintoswitch
androtateclockwisetothe“On”position.Rotate
clockwisetothenextpositiontoengagethestarter
(keymustbeheldagainstspringpressureinthis
position).Operatormusthavespeedcontrolleverin
neutral,OPCleversdepressedandPTOdisengaged
tostartengine.Whenenginestarts,releasekey.
HourMeter
Locatedonthelefthandsideofconsolejustabove
thePTOswitch.
Thehourmeterisconnectedtoapressureswitch
installedintheengineblockanditrecordsthe
numberofhoursthattheenginehasrun.Ifignition
switchisleftonwithoutenginerunning,hourmeter
willnotrun.
Note:Thisswitchisnotalowoilsensorandwillnot
alerttheoperatoriftheengineoilislow .
FuelShut-OffValve
Locatedinthefuellinemidwaybetweenthetank
andengine.
Thefuelshut-offvalveisusedtoshutoffthe
owoffuelwhenparkinginsideabuilding,during
transportationtoandfromthejobsites,andwhen
themachinewillnotbeusedforafewdays.
Rotatevalve1/4turnclockwisetoshutfueloff.
Rotatevalve1/4turncounterclockwisetoturnfuel
on.
DriveWheelReleaseValves
Locatedontheleftrearcornerofthehydrostatic
pumps.
Drivewheelreleasevalvesareusedtoreleasethe
hydrostaticdrivesystemtoallowthemachinetobe
movedbyhandwithouttheenginerunning.
Witha5/8wrench,turnbothvalvesoneturn
counterclockwisetoreleasethedrivesystem.
Turnclockwisetoresetthedrivesystem.DoNot
overtighten.
TrackingAdjustmentKnob
Locatedontheright-handsideoftherearofthefuel
tanksupport.
Theknobcanbeadjustedsothatmachinewill
“track”straightaheadwiththedriveleversreleased.
PTOEngagementSwitch
Switchislocatedonleftsideofcontrolconsole.
Theswitchmustbepulledouttothe“Rotate”
positiontoengagetheblades.Theswitchispushed
intothe“Stop”positiontostoptheblades.Operator
musthaveoperatorpresencecontrolleversdepressed
whenPTOisengagedorenginewillstop.
Pre-Start
Fillfueltanks.Forbestresultsuseonlyclean,fresh
regulargradeunleadedgasolinewithanoctanerating
of87orhigher.Regulargradeleadedgasolinemay
alsobeused;however,combustionchamberand
cylinderheadwillrequiremorefrequentservice.See
EngineOwner’sManual.
DoNotaddoiltogasoline.
DoNotoverllfueltank.Neverllthefueltankso
thatthefuellevelrisesabovealevelthatis1/2inch
belowthebottomofthellernecktoallowforfuel
expansionandpreventfuelspillage.
Makesureyouunderstandthecontrols,their
locations,theirfunctions,andtheirsafety
requirements.
RefertotheMaintenancesectionandperformallthe
necessaryinspectionandmaintenancesteps.
16
Operation
OperatingInstructions
OpentheFuelShut-OffValve
Rotatethevalve1/4turncounterclockwisetoturn
fuelon.
StartingtheEngine
1.Onacoldengine,placethethrottlemidway
betweenthe“Slow”and“Fast”positionsand
placethechokeinthe“On”position.Onawarm
engine,placethethrottlelevermidwaybetween
“Slow”and“Fast”positionsandleavethechoke
inthe“Off”position.
2.Turnignitionswitchto“Start”position.Release
theswitchassoonastheenginestarts.
3.Onacoldengine,graduallyreturnchoketothe
“Off”positionafterenginestartsandwarmsup.
Important:Donotcranktheengine
continuouslyformorethantensecondsat
atime.Iftheenginedoesnotstart,allowa
60secondstartercool-downperiodbetween
startingattempts.Failuretofollowthese
guidelinescanburnoutthestartermotor.
Note:Itishelpfultohavetheleftandright
neutrallocklatcheslockedinneutralwhen
startingtheengine.RefertoNeutralLock
LatchessectioninControls.
PTOEngagement
DANGER
Therotatingbladesunderthemowerdeck
aredangerous.Bladecontactcancause
seriousinjuryorkillyou.
DoNotputhandsorfeetunderthemower
ormowerdeckwhenthebladesareengaged.
DANGER
Anuncovereddischargeopeningwillallow
objectstobethrowninanoperator’sor
bystander’sdirection.Also,contactwiththe
bladecouldoccur.Thrownobjectsorblade
contactcancauseseriousinjuryordeath.
Neveroperatethemowerwiththedischarge
deectorraised,removed,oralteredunless
thereisagrasscollectionsystemormulch
kitinplaceandworkingproperly.
ThePTOswitchengagesthecuttingblades.Besure
thatallpersonsareclearofmowerdeckanddischarge
areabeforeengagingthePTO.
1.Setthrottleto“MIDWAY”position.
2.PullthePTOswitchoutwardtothe“ROTATE”
positiontoengagetheblades.
3.Placethethrottleinthe“FAST”positiontobegin
mowing.
DisengagingthePTO
1.Setthrottleto“MIDWAY”position.
2.Pushinontheswitchtothe“STOP”position
todisengagetheblades.
StoppingtheEngine
1.Bringtheunittoafullstop.
2.Lockdriveleversinneutral.
3.DisengagethePTO.
4.Movespeedcontrollevertoneutral.
5.Engagetheparkingbrake.
6.Placethethrottlemidwaybetweenthe“SLOW”
and“FAST”positions.
7.Allowtheenginetorunforaminimumof15
seconds,thenturntheignitionswitchtothe
“OFF”positiontostoptheengine.
8.Removethekeytopreventchildrenorother
unauthorizedpersonsfromstartingengine.
9.Closethefuelshut-offvalvewhenthemachine
willnotbeinuseforafewdays,when
transporting,orwhentheunitisparkedinside
abuilding.
17
Operation
DrivingtheMachine
DriveLever/NeutralLockLatchOperation
Tolockthedriveleversin“neutrallock”,squeeze
thedriveleverstothe“neutral”position(DoNot
squeezethedriveleversallthewaybackasthis
willcausethedrivewheelstogointofullreverse
direction).SeeFigure4.Placethumbsontheupper
portionoftheneutrallocklatchesandmovethemto
therear.SeeFigure4.Releasethedrivelevers.
CAUTION
Iftheneutrallocklatchesarenotcompletely
engagedthedriveleverscouldunexpectedly
slipintotheforwarddriveposition.Ifthe
driveleversslipintothedrivepositionthe
unitcouldlurchforwardandcauseinjuryor
propertydamage.
Besurethepinsprotrudingthroughtheslots
ofeachneutrallocklatcharecompletely
engagedintherearslotofeachlatch.
Toplacethedriveleversinthe“forward”position,
rmlyholdthedrivelevers,placethumbsonthe
upperportionoftheneutrallocklatchesandmove
themforwardtoreleasethedrivelevers.Slowlyand
smoothlyreleasethedrivelevers.
DrivingForward
1.Releasetheparkingbrake.
2.Withdriveleverslockedin“neutral”,shiftspeed
controllevertodesiredforwardspeed.
3.Slowlysqueezeandholdbothdriveleversin
theneutralpositionandrotatebothneutrallock
latchesfromtheneutrallockpositiontothe
forwardposition.
Note:DoNotsqueezebothdriveleversallthe
wayback.Thiswillcausethedrivewheelsto
engageinthereversedirection.
4.Tomoveforwardinastraightline,smoothly
releasebothdriveleverstoengagedrivewheels.
Toturnleftorright,squeezetherighthanddrive
levertoturnrightandthelefthanddrivelever
toturnleft.
Tomakea“zeroturn”,squeezeeithertheleft
handortherighthanddriveleverbackintothe
reversepositionwhiletheoppositedriveleverisin
aforwardpositionatanequalbutoppositespeed.
Note:Forsmoothoperationofthismachine,
avoidquick,jerkymovementsofthedrivelevers.
Movethedriveleverssmoothlyanddeliberately.
Tostop,squeezedriveleversbacktothe“neutral”
position.Movetheneutrallocklatchesintothe
“neutrallock”positionandreleasedrivelevers.
Movethespeedcontrollevertotheneutral
position.
DrivinginReverse
Tomoverearwardinastraightline,squeezedrive
leversintothereverseposition.
Toturnleftorright,squeezetherighthanddrivelever
toturnrightandthelefthanddrivelevertoturnleft.
Tomakea“zeroturn”,squeezeeitherthelefthand
ortherighthanddriveleverbackintothereverse
positionwhiletheoppositedriveleverisinaforward
positionatanequalbutoppositespeed.
AdjustingtheCuttingHeight
WARNING
Whenthetwofrontsupportrodhairpinsare
removedfromthemowerdeck,theweightof
thetractorsectionmaycausethefrontframe
oftheunittorisesuddenly.Iftheunitrises
suddenly,injurymayoccur.
Securelyholddownthefrontoftheunitwhen
thefrontsupportrodhairpinsareremoved.
Thecuttingheightofthemowerdeckisadjusted
from11/2to41/2inches(3.81cmto11.4cm)in
1/2inchincrements.
1.Stopthemachineandmovethedriveleverstothe
neutrallockedposition.
2.DisengagethePTO.
3.Engagetheparkbrake.
4.Stoptheengine,removethekeyandwaitforall
movingpartstostop.
5.Installhairpinclipsintheholesforthedesired
cuttingheight.SeeFigure5.
Important:Tomaintaincorrectcutting
heightandrake,checkthefollowingfor
properadjustment.
18
Operation
A.Thefrontandrearhairpinsareinthesame
holeswiththeproperspacersunderthehair
pins.SeeFigure5.
Figure5
1.Decksupportpin
2.CuttingHeight
B.ThetirepressuresaresetasdirectedinCheck
TirePressuresintheMaintenancesection.
C.Thelengthofthereardecksupportlink
assembliesaverage6.89inches(approximately
67/8inches)(175.01mm)fromthecenterof
theballjointtothecenterofthefarthesthole.
SeeFigure6.
Note:Allfourpinsmustequallysupportthe
weightofthedeck.Adjustmentinthelength
ofthereardecksupportassembliesmaybe
necessary.Ifonesideislongerthan6.89
inches(approximately67/8inches)(175.01
mm),thantheoppositesidemustbeshorter
bythesameamount.
Figure6
LeftHandSideShown
AdjustingtheAnti-ScalpRollers
Itisrecommendedtochangetheanti-scalproller
position,whentheheightofcuthaschanged.
1.Stopthemachineandmovethedriveleverstothe
neutrallockedposition.
2.DisengagethePTO.
3.Engagetheparkbrake.
4.Stoptheengine,removethekeyandwaitforall
movingpartstostop.
5.Afteradjustingtheheightofcut,adjustthe
anti-scalprollersbyremovingthespringdisc
washerandbolt(seestep7).
6.Adjustanti-scalprollersforNormalOperating
Conditions.Placerollersinoneofthepositions
showninFigure7.Rollerswillmaintain3/4
inches(19mm)clearancetothegroundto
minimizegougingandrollerwearordamage.
Note:ForMaximumDeckFlotation,place
rollersoneholepositionlower.Rollersshould
maintain1/4inch(6.4mm)clearancetoground.
DoNotadjustrollerstosupportthedeck.Be
surerollerboltsareinstalledwiththespringdisc
washerbetweenheadoftheboltandmounting
bracket.
19
Operation
Figure7
Forcuttingheightsabove3.5inches(38mm)usethe
bottomhole.Therollerswillstillbeeffectiveagainst
scalping.
1.Anti-scalproller
mountingbracket
2.Cuttingheight
7.Fourtypesofanti-scalprollerassembliesare
available.SeeFigure8todeterminewhich
assemblyhasbeeninstalledontheunit.Torque
hardwareasspecied,orlossofrollermayresult.
SeeFigure8.
Figure8
Frontleftanti-scalpbracketshown
1.Type1hardware
2.Type2hardware
3.Type3hardware
4.Type4hardware
5.(Type1)3/8–16x4hexscrew
6.(Type2&3)3/8–24x2hexscrew—T orqueto50–55
ft-lb(68–75N-m)
7.(Type4)3/8whizlocknut—T orqueto30–35ft-lb
(41–47N-m)
8.Springdiscwasher(conetowardsbolthead)
9.(Type1)3/8whizlocknutandheavyatwasher—
Torqueto40–45ft-lb(54–61N-m)
10.(Type2)3/8nylocnutandheavyatwasher—T orque
to30–35ft-lb(41–47N-m)
11.(Type3)3/8angednylocnutwithoutwasher—T orque
to30–35ft-lb(41–47N-m)
12.(Type4)3/8nylocnut—Torqueto30–35ft-lb
(41–47N-m).
Transporting
TransportingaUnit
WARNING
Loadingthemowerontoatrailerwithout
strongenoughorproperlysupportedramps
couldbedangerous.Therampscould
collapsecausingtheunittofall,whichcould
causeinjury.
•Useproperrampsthataresecuredtothe
truckortrailer.
•Keepfeetandlegsoutfromunderthe
unitwhenloadingandunloading.
•Ifnecessary,useassistancewhenloading.
Besurethefuelshut-offvalveisclosed.
Useaheavydutytrailertotransportthemachine.
Engageneutrallocklatchesandparkbrake,then
blockwheels.
Securelyfastenthemachinetothetrailerwithstraps,
chains,cables,orropes.
DoNotrelysolelyontheparkingbraketoholdthe
machineonthetrailer.
Besurethatthetrailerhasallnecessarylightingand
markingasrequiredbylawanduseasafetychain.
20
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