21INCH
W ALK-BEHIND
AERATOR
ForSerialNos.
314,000,000&Higher
PartNo.4501-882Rev.A
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemical
orchemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Theengineinthisproductisnot
equippedwithasparkarrestermufer.Itisa
violationofCaliforniaPublicResourceCode
(CPRC)Section4442touseoroperatethis
engineonanyforest-covered,brush-covered,
orgrass-coveredlandasdenedinCPRC4126.
Otherstatesorfederalareasmayhavesimilar
laws.
Toacquireasparkarresterforyourunit,seeyour
EngineServiceDealer.
Thissparkignitionsystemcomplieswiththe
CanadianstandardICES-002.Cesystèmed’allumage
parètincelledevèhiculeestconformeàlanorme
NMB-002duCanada.
TheenclosedEngineOwner’sManualis
suppliedforinformationregardingTheU.S.
EnvironmentalProtectionAgency(EPA)and
theCaliforniaEmissionControlRegulationof
emissionsystems,maintenanceandwarranty.
KeepthisengineOwner’sManualwithyourunit.
ShouldthisengineOwner’sManualbecome
damagedorillegible,replaceimmediately.
Replacementsmaybeorderedthroughthe
enginemanufacturer.
Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2013ExmarkMfg.Co.,Inc.
2101AshlandAve
Beatrice,NE68310
2
Contactusatwww.Exmark.com.
PrintedintheUSA
AllRightsReserved
Introduction
CONGRATULATIONSonthepurchaseofyour
ExmarkAerator.Thisproducthasbeencarefully
designedandmanufacturedtogiveyouamaximum
amountofdependabilityandyearsoftrouble-free
operation.
Thismanualcontainsoperating,maintenance,
adjustment,andsafetyinstructionsforyourExmark
aerator.
BEFOREOPERATINGYOURAERATOR,
CAREFULLYREADTHISMANUALINITS
ENTIRETY.
Byfollowingtheoperating,maintenance,andsafety
instructions,youwillprolongthelifeofyouraerator,
maintainitsmaximumefciency,andpromotesafe
operation.
Important:Tomaximizesafety,performance,
andproperoperationofthismachine,itis
essentialthatalloperatorscarefullyreadand
fullyunderstandthecontentsoftheOperator’s
manualprovidedwiththeproduct.Safe
operationofExmarkequipmentisessential.
Failuretocomplywiththeoperatinginstructions
orreceivepropertrainingmayresultininjury.
Gotohttp://www.Exmark.comforadditional
safeoperationinformation,suchassafetytips,
trainingmaterials,andOperator’smanuals.
Ifadditionalinformationisneeded,orshould
yourequiretrainedmechanicservice,contactyour
authorizedExmarkequipmentdealerordistributor.
AllExmarkequipmentdealersanddistributorsare
keptinformedofthelatestmethodsofservicing
andareequippedtoprovidepromptandefcient
serviceintheeldorattheirservicestations.They
carryamplestockofservicepartsorcansecurethem
promptlyforyoufromthefactory.
AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.
Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
3
Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals.......................9
Specications........................................................12
ModelNumbers.............................................12
Systems..........................................................12
Dimensions....................................................13
TorqueRequirements.....................................13
Setup.....................................................................14
UnfoldingtheHandle.....................................14
ProductOverview.................................................14
Operation..............................................................15
Controls.........................................................15
Pre-Start.........................................................15
OperatingInstructions...................................16
Transporting..................................................18
Maintenance..........................................................19
RecommendedMaintenanceSchedule(s)............19
PeriodicMaintenance........................................20
CheckEngineOilLevel..................................20
CheckTines...................................................20
CheckforLooseHardware.............................20
ServiceAirCleaner.........................................20
ChangeEngineOil.........................................20
CheckTirePressures......................................21
CheckConditionandTensionOf
TransmissionDriveBelt.............................21
CheckConditionOfTineDrive
Chains........................................................21
CheckConditionOfFrontDrive
Chains........................................................21
CheckConditionOfSprockets.......................21
LubricateTineDriveChains...........................21
LubricateFrontDriveChains.........................21
LubricateGreaseFittings................................22
CheckSparkPlugs..........................................22
EmptyingtheFuelTankandCleaningthe
FuelFilter...................................................22
ChangeHydraulicTransmissionFluid.............23
CheckSparkArrester(ifequipped)..................24
ThreadLockingAdhesives..............................25
Adjustments......................................................25
AdjustingtheSelf-PropelDrive......................25
AdjustingtheTransmissionDriveBelt
Tension......................................................26
AdjustingtheTineDriveChain.......................26
AdjustingtheCoringDepth............................26
AdjustingtheTineGroundEngagement
Lever..........................................................27
Cleaning............................................................28
CleanEngineandExhaustSystem
Area...........................................................28
CleanDebrisFromMachine...........................28
WasteDisposal...............................................28
Troubleshooting....................................................29
4
Safety
Safety
SafetyAlertSymbol
ThisSafetyAlertSymbol(Figure2)isusedbothin
thismanualandonthemachinetoidentifyimportant
safetymessageswhichmustbefollowedtoavoid
accidents.
Thissymbolmeans:ATTENTION!BECOME
ALERT!YOURSAFETYISINVOLVED!
Figure2
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;otherlanguagesmay
beavailableonourwebsite.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperate
orservicetheequipment.Localregulationsmay
restricttheageoftheoperator.
•Onlyadultsandmatureteenagersshouldoperate
anaerator,andevenmatureteenagersshouldhave
adultsupervision.Besureateenager:
1.hasreadandunderstandstheOperator's
Manualandrecognizestherisksinvolved;
2.issufcientlymaturetousecaution;and
3.isofsufcientsizeandweighttooperate
thecontrolscomfortablyandtomanagethe
aeratorwithouttakingrisks.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyand
safelyperformthejob.Onlyuseaccessoriesand
attachmentsapprovedbyExmark.
•Wearappropriateclothingincludingsafetyglasses,
substantialfootwear,andhearingprotection.Do
Notoperatewhenbarefootorwhenwearingopen
sandals.Longhair,looseclothingorjewelrymay
gettangledinmovingparts.
CAUTION
Thismachineproducessoundlevelsinexcess
of85dBAattheoperator’searandcancause
hearinglossthroughextendedperiodsof
exposure.
Wearhearingprotectionwhenoperatingthis
machine.
•Inspecttheareawheretheequipmentistobe
usedandremoveallrocks,toys,sticks,wires,
bones,andotherforeignobjectswhichcanbe
thrownbythemachineandmaycausepersonal
injurytotheoperatororbystanders.
5
Safety
DANGER
Incertainconditionsgasolineisextremely
ammableandvaporsareexplosive.
Areorexplosionfromgasolinecanburn
you,others,andcausepropertydamage.
•Fillthefueltankoutdoorsonlevelground,
inanopenarea,whentheengineiscold.
Wipeupanygasolinethatspills.
•Neverrellthefueltankordrainthe
machineindoorsorinsideanenclosed
trailer.
•DoNotllthefueltankcompletelyfull.
Fillthefueltanktothebottomoftheller
neck.Theemptyspaceinthetankallows
gasolinetoexpand.Overllingmayresult
infuelleakageordamagetotheengine
oremissionsystem.
•Neversmokewhenhandlinggasoline,and
stayawayfromanopenameorwhere
gasolinefumesmaybeignitedbyspark.
•Storegasolineinanapprovedcontainer
andkeepitoutofthereachofchildren.
•Addfuelbeforestartingtheengine.Never
removethecapofthefueltankoradd
fuelwhenengineisrunningorwhenthe
engineishot.
•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.Do
Notuseanozzlelockopendevice.
WARNING
Gasolineisharmfulorfatalifswallowed.
Long-termexposuretovaporshascaused
cancerinlaboratoryanimals.Failuretouse
cautionmaycauseseriousinjuryorillness.
•Avoidprolongedbreathingofvapors.
•Keepfaceawayfromnozzleandgas
tank/containeropening.
•Keepawayfromeyesandskin.
•Neversiphonbymouth.
•Checkthattheoperatorpresencecontrols,
safetyswitches,andshieldsareattachedand
functioningproperly.DoNotoperateunlessthey
arefunctioningproperly.
6
Safety
Operation
WARNING
Operatingengineparts,especiallythemufer,
becomeextremelyhot.Severeburnscanoccur
oncontactanddebris,suchasleaves,grass,
brush,etc.cancatchre.
•Allowengineparts,especiallythemufer,to
coolbeforetouching.
•Removeaccumulateddebrisfrommuferand
enginearea.
WARNING
Engineexhaustcontainscarbonmonoxide,
whichisanodorlessdeadlypoisonthatcankill
you.
DoNotrunengineindoorsorinasmallconned
areawheredangerouscarbonmonoxidefumes
cancollect.
•Operateonlyindaylightorgoodarticiallight,
keepingawayfromholesandhiddenhazards.
•Lightningcancausesevereinjuryordeath.If
lightningisseenorthunderisheardinthearea,
DoNotoperatethemachine;seekshelter.
•Starttheenginecarefullyaccordingtoinstructions
withfeetwellawayfromthetines.
•Neveroperatethemachinewithdamagedguards,
shields,orcovers.Alwayshavesafetyshields,
guards,switchesandotherdevicesinplaceandin
properworkingcondition.
•DoNotchangetheenginegovernorsettingor
overspeedtheengine.
•Parkmachineonlevelground.Stopengine,wait
forallmovingpartstostop,andremovethespark
plugwire(s):
–Beforechecking,cleaningorworkingonthe
machine.
–Afterstrikingaforeignobjectorabnormal
vibrationoccurs(inspectthemachinefor
damageandmakerepairsbeforerestarting
andoperatingthemachine).
–Beforeclearingblockages.
–Wheneveryouleavethemachine.
•Stopengine,waitforallmovingpartstostop:
–Beforerefueling.
WARNING
Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.
•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesinplace
andworkingproperly.
•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.
•DONOToperatethemachinewhenpeople,
especiallychildren,orpetsareinthearea.
•Bealert,slowdownandusecautionwhen
makingturns.Lookbehindandtothesidebefore
changingdirections.
•Raisethetines,slowdown,andusecautionwhen
crossingsurfacesotherthangrassandwhen
transportingthemachinetoandfromthework
area.
•DoNotoperatethemachineundertheinuence
ofalcoholordrugs.
•Useextremecarewhenloadingorunloadingthe
machineintoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
SlopeOperation
UseExtremecautionwhenaeratingand/orturning
onslopesaslossoftractionand/ortip-overcould
occur.Theoperatorisresponsibleforsafeoperation
onslopes.
7
Safety
DANGER
Operatingonwetgrassorsteepslopescan
causeslidingandlossofcontrol.Lossofcontrol
and/orlossofoperator'sfootingcouldresultina
fallwithanarmorleggettingunderthemachine
whichmayresultinseriousinjury,deathor
drowning.
•Operateacrossslopes,neverupanddown.
•DoNotoperateonslopeswhengrassiswet.
•Useextremecautionwhenoperatingnear
drop-offsornearwater.
•DoNotoperateonexcessivelysteepslopes.
•Reducespeedanduseextremecautionon
slopes.
•Avoidsuddenturnsorrapidspeedchanges.
•Removeormarkobstaclessuchasrocks,tree
limbs,etc.fromtheworkingarea.Tallgrasscan
hideobstacles.
•Watchforditches,holes,rocks,dipsandrisesthat
changetheoperatingangle,asroughterraincould
overturnthemachine.
•Avoidsuddenstartswhenaeratinguphillbecause
themachinemaytipbackwards.Themachineis
morestablegoinguphillwiththetinesdisengaged.
•Beawarethatoperatingonwetgrass,acrosssteep
slopesordownhillmaycausethemachinetolose
traction.Lossoftractiontothedrivewheelsmay
resultinslidingandalossofbrakingandsteering.
•Alwaysavoidsuddenstartingorstoppingona
slope.
•Followthemanufacturer’srecommendationsfor
wheelweightsorcounterweightstoimprove
stability.
MaintenanceandStorage
•Raisethetines,stopengineanddisconnectspark
plugwire.Waitforallmovementtostopbefore
adjusting,cleaningorrepairing.
•Keepengineandengineareafreefromexcessive
greaseoroilandotherdebriswhichcan
accumulateintheseareas.Thesematerialscan
becomecombustibleandmayresultinare.
•Letenginecoolbeforestoringanddonotstore
nearameoranyenclosedareawhereopenpilot
lightsorheatappliancesarepresent.
•Shutofffuelwhilestoringortransporting.Do
Notstorefuelnearamesordrainindoors.
•Parkmachineonlevel,hardground.Neverallow
untrainedpersonneltoservicemachine.
•Usejackstandstosupportcomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Removesparkplugwirebeforemakingany
repairs.
•Usecarewhencheckingandservicingtines.Wrap
thetine(s)orweargloves,andusecautionwhen
servicingthem.Onlyreplacedamagedtines.
Neverstraightenorweldthem.
•Keephandsandfeetawayfrommovingparts.
Ifpossible,DoNotmakeadjustmentswiththe
enginerunning.
•Keepallguards,shieldsandallsafetydevicesin
placeandinsafeworkingcondition.
•Checkallboltsfrequentlytomaintainproper
tightness.
•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.
WARNING
Removalormodicationoforiginalequipment,
partsand/oraccessoriesmayalterthewarranty,
controllability,andsafetyofthemachine.
Unauthorizedmodicationstotheoriginal
equipmentorfailuretouseoriginalExmark
partscouldleadtoseriousinjuryordeath.
Unauthorizedchangestothemachine,engine,
fuelorventingsystem,mayviolateapplicable
safetystandardssuchas:ANSI,OSHAand
NFPAand/orgovernmentregulationssuchas
EPAandCARB.
8
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
operationofyourExmarkcommercialaerator.
117–2718
119-0217
1.Warning—stoptheengine;stayawayfrommoving
parts;keepallguardsandshieldsinplace.
121-6150
1.Cuttinghazardofhandandfoot–stayawayfrommoving
parts.
121-6151
1.Choke–on3.Continuousvariable
setting
2.Throttle–fast
4.Throttle–slow
9
Safety
116-8699
1.Tostarttheengine,readthe
Operator’smanual—(1)Parkthe
machineonalevelsurface(2)Fill
theenginewithoil(3)Movethe
controlbarstoaneutralposition(4)
Starttheengine.
2.Tractiondrive—movethetraction
controlleverforwardtomovethe
machineforward;movethetraction
controlleverbackwardtomovethe
machinebackward.
3.Raising/Loweringthetines—push
thecontrolleverdowntolowerthe
tines;pullthecontrolleverupto
raisethetines.
126-1209
1.Readandunderstandtheoperator’s
manualbeforeservicingthismachine
4.Checktirepressure-13psi(2x)
every50hours
7.Checktransmissionbeltdrive
tensionevery25hours
2.Greasetineshaftbearings(2x)every
25hours
5.Cleanandoilchains(2x)every25
hours
8.Cleanandoilchainsandcheckchain
tension(2x)every8hours
3.Greasetineassemblyidlers(2x)
every25hours
6.Seeengineowner’smanualfor
service
10
Safety
126-0651
1.Warning–ReadtheOperator’sManual.DoNotoperatethis
machineunlessyouaretrained.Wearhearingprotection.
4.Warning–Stayawayfrommovingparts;keepallguards
inplace.Stopengineandremovesparkplugbefore
adjusting,servicing,orcleaning.
2.Warning–Disengagetinesandstopenginebeforeleaving
theoperator’sposition.
5.Warning–DoNotoperatewhenpeopleandpetsareinthe
area.Lookbehindyouwhenbackingup.
3.Thrownobjecthazard–Pickupobjectsbeforeoperating.
11
Specications
Specications
ModelNumbers
SerialNos:314,000,000andHigher
ARS180KA21
Systems
Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•EngineOilType:Exmark4–CyclePremium
EngineOil
•RPM:FullSpeed:3700±50RPM(NoLoad)
FuelSystem
•Capacity:1.0gal.(3.8L)
•FuelRecommendations:
–Forbestresults,useonlyclean,fresh,unleaded
gasolinewithanoctaneratingof87orhigher
((R+M)/2ratingmethod).
–Oxygenatedfuelwithupto10%ethanolor
15%MTBEbyvolumeisacceptable.
–DoNotuseethanolblendsofgasoline(such
asE15orE85)withmorethan10%ethanol
byvolume.Performanceproblemsand/or
enginedamagemayresultwhichmaynotbe
coveredunderwarranty.
–DoNotusegasolinecontainingmethanol.
–DoNotstorefueleitherinthefueltankor
fuelcontainersoverthewinterunlessafuel
stabilizerisused.
–DoNotaddoiltogasoline.
•FuelFilter:ReplaceableIn-line
•FuelShut-OffValve:1/4turnincrements
OperatorControls
•Self-PropelDrive:Controlsforwardandreverse
motionofmachine.
•TineGroundEngagement:Engagesthetines
withtheground.
Transmission
Variable
SpeedsRange:0–4.0mph(6.4km/hr)
WheelandTineDriveSystem
Drivewheelsandtheoutsideaerationtinesaredriven
throughrollerchainsbythehydrostatictransmission.
TiresandWheels
Drive
Rear
Pneumatic
(Air-Filled)
Solid
Quantity
22
Tread
TurfTL
Size11x4.0–410x2.75
PlyRating
2
Pressure
13psi
(90kPa)
Aeration
AerationWidth:21inches(53.3cm)
Tines:Qty:36
CoreDepth:0-3inches(0-7.6cm)
Holespersquarefoot:4.6
12
Specications
Dimensions
OverallWidth:
31inches(79cm)
OverallLength:
Operating
Stored
Handleinlowest
position
58inches
(147cm)
42inches
(107cm)
Handleinmiddle
position
59inches
(150cm)
42inches
(107cm)
Handleinhighest
position
61inches
(155cm)
42inches
(107cm)
OverallHeight:
Operating
Stored
Handleinlowest
position
48inches
(122cm)
31inches
(79cm)
Handleinmiddle
position
50inches
(127cm)
33inches
(84cm)
Handleinhighest
position
52inches
(132cm)
34inches
(86cm)
CurbWeight:
Machineonly–noadditionalweights:310lb(141kg)
TorqueRequirements
BoltLocation
Torque
EngineMountingBolts
17-23ft-lb(23-31N-m)
13
ProductOverview
Setup
UnfoldingtheHandle
1.Raisethehandletotheoperatingposition.
g013073
1
Figure3
1.Ovallockingring
2.Slidetheovallockingringsdowneachsideofthe
upperhandleoverthelowerhandle,lockingthe
handlesectionstogether.
ProductOverview
Figure4
1.Tinegroundengagement
lever
4.Fuelcap
2.Self-propeldrivebail
5.Recoilstarter
3.Handle
14
Operation
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Controls
Throttle-ChokeLever
Locatedontheleftsideofthehandlebar.
Theleverisusedtocontrolenginespeed.Moving
thethrottletothefullforward(Choke)positionwill
placetheleverinthechokeposition.Thechokeaids
instartingacoldengine.Movingthethrottlecontrol
forwardwillincreaseenginespeedandmovingitto
therearwilldecreaseenginespeed.
Thethrottle-chokecontrolalsoincludesanengine
killposition.Movingtheleverintothefullrearward
(Off)positionwillkilltheengine.
RecoilStarter
Locatedontheengine.
Pulltherecoilstarterhandletostarttheengine.
FuelShut-OffValve
Locatedbelowthefueltank.
Thefuelshut-offvalveshutsofftheowoffuel
whenthemachinewillnotbeusedforafewdays,
whenparkinginsideabuilding,andduringtransport
toandfromthejob.
Alignvalvewiththefuellinetoopen.Rotate90°to
close.
Self-PropelDriveBail
Theself-propeldrivebail,locatedunderthehandle,
controlstheforwardandreversemotionofthe
machine.
Whentheself-propeldrivebailissqueezedagainst
thehandle,theunitgroundspeedwillchangebased
onthedistancebetweenthebailandthehandle.
Whenthebailisreleased,theunitwillstopmoving.
Important:Thetinesarerotatingwhenthe
self-propeldrivebailismovedoutoftheneutral
position.
Figure5
1.Handle3.Throttle-chokelever
2.Self-propeldrivebail
4.Tinegroundengagement
lever
TineGroundEngagementLever
Keephandsandfeetawayfromthetines.Make
surethetineareaisclearofanyobstructions
beforeloweringit.
Locatedunderthecontrolconsole.
Thetinegroundengagementleverliftstherear
wheels,causingtherearofthemachinetobe
supportedontheaeratingtines.
Pushtheleverdowntolifttherearwheelsandlower
thetinesintotheground.Pullupontheleverto
lowerthewheelsandraisethetines;signicanteffort
mayberequiredifextraoptionalweightshavebeen
added.
Pre-Start
Fillfueltankonlevelground.SeeFuel
RecommendationsintheSpecicationssectionfor
additionalgasolineinformation.
DoNotaddoiltogasoline.
DoNotoverllfueltank.Fillthefueltanktothe
bottomofthellerneck.Theemptyspaceinthe
tankallowsgasolinetoexpand.Overllingmayresult
infuelleakageordamagetotheengineoremission
system.
Makesureyouunderstandthecontrols,their
locations,theirfunctions,andtheirsafety
requirements.
15
Operation
RefertotheMaintenancesectionandperformallthe
necessaryinspectionandmaintenancesteps.
OperatingInstructions
HandleAdjustment
Theheightofthehandlecanbeadjustedfor
comfortableoperation.Standbehindthehandleto
determinetheheight.
1.Toadjustthehandleheight,positionthehardware
intooneofthreesetsofholesoneachsideofthe
mainframe.
2.Refertoguresbelowforthedifferenthandle
positions.Twoboltsmustbeusedintheliftlink
strapsatalltimes.
Figure6
FrontHandlePosition—LowestHeight
1.Trunnion
bracket–bottomhole
3.Mountingboltlocation
2.Liftlinkstraps4.Handlehardware–front
holes
Figure7
MiddleHandlePosition
1.Trunnion
bracket–bottomhole
3.Mountingboltlocation
2.Liftlinkstraps
4.Handle
hardware–middleholes
Figure8
RearHandlePosition—HighestHeight
1.Trunnionbracket–top
hole
3.Mountingboltlocation
2.Liftlinkstraps
4.Handlehardware–rear
holes
3.Adjustthetinegroundengagementleverasstated
intheAdjustmentssection.
OpentheFuelShut-OffValve
Rotatethevalveandalignwiththefuellinetoopen.
StartingtheEngine
1.Connectthewiretothesparkplug.
16
Operation
2.Openthefuelvalve.
3.Onacoldengine,movethethrottle–choke
controlforwardtotheChokeposition.
Note:DoNotusethechokewhentheengine
iswarmedup.
4.Pulltherecoilstarterhandlelightlyuntilyoufeel
resistance,thenpullitsharply.Allowtheropeto
returnslowly.
5.Whentheenginestarts,movethethrottle–choke
controltotheFastposition.
LoweringtheTines
DANGER
Therotatingtinesundertheenginedeckare
dangerous.Tinecontactcancauseseriousinjury
orkillyou.
DoNotputhandsorfeetundertheunitwhen
theengineisrunning.
1.Pushthetinegroundengagementleverdownand
forwardtoraisetherearwheelsandengagethe
tines.
2.Adjustthethrottlefortheworkingconditions.
RaisingtheTines
Pulluponthetinegroundengagementlevertolower
thewheelsandraisethetines;signicanteffortmay
berequiredifextraoptionalweightshavebeenadded.
StoppingtheEngine
1.Bringtheunittoafullstop.
2.Placethethrottlemidwaybetweenthe“SLOW”
and“FAST”positions.
3.Raisethetines.
4.Allowtheenginetorunforaminimumof15
seconds,thenmovethethrottletothe(Off)
positiontokilltheengine.
5.Closethefuelshut-offvalvewhenthemachine
willnotbeinuseforafewdays,when
transporting,orwhentheunitisparkedinside
abuilding.
OperatingtheSelf-PropelDrive
Theaeratorisvariablespeed,themoreyousqueeze
thedrivebailagainstthehandlethefasterthemachine
travels.
1.Starttheengine.
2.Movetheself-propeldrivebailfromtheneutral
position.
•Tomoveforward,squeezetheself-propel
drivebailagainstthehandle(see
Figure9).
Figure9
1.Reverse-pushdownand
awayfromhandle
3.Forward-squeeze
towardshandle
2.Drivebail(neutral
position)
4.Handle
Note:Thegroundspeedcanbevariedby
increasingordecreasingthedistancebetween
theself-propeldrivebailandthehandle.
Lowerthedrivebail,towardstheneutral
position,todecreasethegroundspeedwhen
makingaturnoriftheunitismovingtoo
fast.Ifthedrivebailisreleased,thedrive
bailreturnstoneutralandtheunitstops
self-propelling.Squeezethegroundspeed
controlbailclosertothehandletoincrease
thegroundspeed.Whenthedrivebailisheld
tightagainstthehandle,theunitself-propelsat
themaximumforwardgroundspeed.Release
thedrivebailtostopmovingorwheneveryou
leavetheunit.
•Toturnleftorright,decreasethespeed,push
downonthehandles,andturntheunitin
thedesireddirection;thenresumenormal
operation.Thetinescanbeinthedown
positionwhenmakinggradualturns.
•Tomoveinreverse,releasethedrivebailand
allowittoreturntoneutral.Pushthedrivebail
downandawayfromthehandle.Theground
17
Operation
speedwillvaryasthedistanceincreasesor
decreasesfromtheneutralposition.
WARNING
Theaeratortinesaresharpandcan
punctureyourfeetorotherbodyparts.
Useextremecarewhenmovinginreverse
sothatyoudonotallowyourfeettogo
closetothetines.Watchforandavoid
obstaclesyoucouldtripover.
•Tomakezeroturns,pulluponthetineground
engagementlevertoraisethetines.
Important:DoNotmakeazeroturn
whenthetinesaredownasturftearing
willresult.
3.Todisengagetheself-propeldriveandplacethe
unitintotheneutralposition,releasethedrive
bail.
Transporting
TransportingaUnit
WARNING
Loadingthemachineontoatrailerwithout
strongenoughorproperlysupportedramps
couldbedangerous.Therampscouldcollapse
causingtheunittofall,whichcouldcauseinjury.
•Useproperrampsthataresecuredtothe
truckortrailer.
•Keepfeetandlegsoutfromundertheunit
whenloadingandunloading.
•Ifnecessary,useassistancewhenloading.
Usefullwidthrampswhenloadingthemachine.
Besurethefuelshut-offvalveisclosedduring
transport.
Useaheavydutytrailertotransportthemachine.
Securelyfastenthemachinetothetrailerwithstraps,
chains,cables,orropes.Ifpossible,bothfrontand
rearstrapsshouldbedirecteddownandoutward
fromthemachine.
Besurethatthetrailerhasallnecessarylightingand
markingasrequiredbylawandusesafetychains.
18
Maintenance
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
WARNING
Ifyouleavethewireonthesparkplug,someone
couldaccidentallystarttheengine.Accidental
startingoftheenginecouldseriouslyinjureyou
orotherbystanders.
Disconnectthewirefromthesparkplugbefore
youdoanymaintenance.Setthewireasideso
thatitdoesnotaccidentallycontactthespark
plug.
WARNING
Theenginecanbecomeveryhot.Touchingahot
enginecancausesevereburns.
Allowtheenginetocoolcompletelybefore
serviceormakingrepairsaroundtheenginearea.
WARNING
Tippingthemachinemaycausethefueltoleak
fromthecarburetororthefueltank.Gasoline
isextremelyammable,highlyexplosive,and
undercertainconditions,cancausepersonal
injuryorpropertydamage.
Avoidfuelspillsbyrunningtheenginedryorby
removingthegasolinewithahandpump;never
siphon.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst5hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengineoillevel.
•Checkthetines.
•Checkforloosehardware.
•Checktheconditionandtensionofthetinedrivechains.
•Checktheconditionofthefrontdrivechains.
•Checktheconditionofthesprockets.
•Lubricatethetinedrivechains.
•Cleantheengineandexhaustsystemarea.
•Cleanthegrassanddebrisbuild-upfromthemachine.
Every25hours
•Checktheconditionandtensionofthebelt.
•Lubricatethefrontdrivechains.
•Greasetineshaftbearings.
•Greasetineassemblyidlers.
Every50hours
•Cleantheaircleanerelements—replaceifdirty.(Mayneedmoreoftenundersevere
conditions.SeetheEnginemanualforadditionalinformation.)
•Changetheengineoil.(Mayneedmoreoftenundersevereconditions.)
•Checkthetirepressures.
•Checkforleaksinthefuelsystemsand/ordeterioratingfuelhose.
•Checksparkarrester(ifequipped).
Every100hours
•Checkthesparkplugs.
•Cleanthefuellterelement.
•Changethehydraulictransmissionuid.
Every200hours
•Replacetheaircleanerelements.(Mayneedmoreoftenundersevereconditions.Seethe
Enginemanualforadditionalinformation.)
19
Maintenance
PeriodicMaintenance
CheckEngineOilLevel
ServiceInterval:Beforeeachuseordaily
1.Stopengineandwaitforallmovingpartstostop.
Makesureunitisonalevelsurface.
2.Lowerthetinestotheground.
3.Checkwithenginecold.
4.Cleanareaarounddipstick.Removedipstick
andwipeoiloff.Reinsertthedipstickaccording
totheenginemanufacturer'srecommendations.
Removethedipstickandreadtheoillevel.
5.Iftheoillevelislow,wipeofftheareaaroundthe
oilllcap,removecapandlltothe“FULL”
markonthedipstick.Exmark4-CyclePremium
EngineOilisrecommended;refertotheEngine
Owner'smanualforanacceptablealternative.Do
Notoverll.
Important:DoNotoperatetheenginewiththe
oillevelbelowthe“LOW”(or“ADD”)markon
thedipstick,oroverthe“FULL”mark.
CheckTines
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removekey.
2.Disconnectthewirefromthesparkplug.
3.Loosenthethumbscrewsfromthetopofthe
accesspanel.
4.Removerocksandotherdebrisfromthetines.
5.Inspectthetinesandreplaceasrequired.
6.Replaceandsecurethetopaccesspanel.
WARNING
Ifyouoperatethemachinewiththeaccess
panelremoved,someonecouldbeseverely
injuredbycontactwiththemovingtinesor
byyingdebris.
Alwayssecurelyinstalltheaccesspanel
beforeoperatingthemachine.
CheckforLooseHardware
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and
removesparkplugwire.
2.Visuallyinspectmachineforanyloosehardware
oranyotherpossibleproblem.Tightenhardware
orcorrecttheproblembeforeoperating.
ServiceAirCleaner
ServiceInterval:Every50hours—Clean
theaircleanerelements
—replaceifdirty.(May
needmoreoftenunder
severeconditions.See
theEnginemanualfor
additionalinformation.)
Every200hours—Replace
theaircleanerelements.
(Mayneedmoreoften
undersevereconditions.
SeetheEnginemanualfor
additionalinformation.)
1.Stopengine,waitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.SeetheEngineOwner'sManualformaintenance
instructions.
ChangeEngineOil
ServiceInterval:Aftertherst5hours
Every50hours(Mayneed
moreoftenundersevere
conditions.)
1.Runtheenginetowarmtheengineoil.
Note:Warmoilowsbetterandcarriesmore
contaminates.
WARNING
Oilmaybehotafterenginehasbeenrun.
Contactwithhotoilcancauseseverepersonal
injury.
Avoidcontactingthehotengineoilwhenyou
drainit.
2.Stopengine,waitforallmovingpartstostop.
3.Disconnectthewirefromthesparkplug.
4.Placeasuitabledrainpanundertheoildrainand
removetheoildrainplug.
20
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