FormNo.3398-105RevA
18inDethatcher
ModelNo.33513—SerialNo.315000001andUp
g025335
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3398-105*A
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
ThissparkignitionsystemcomplieswithCanadianICES-002.
Important:Thisengineisnotequippedwithaspark
arrestermufer.ItisaviolationofCaliforniaPublic
ResourceCodeSection4442touseoroperatetheengine
onanyforest-covered,brush-covered,orgrass-covered
land.Otherstatesorfederalareasmayhavesimilarlaws.
Introduction
Thismachinedethatchesturf.Itisintendedforsmall-to
medium-sizedlawnapplicationsinresidentialandcommercial
properties.
Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comforproduct
andaccessoryinformation,helpndingadealer,ortoregister
yourproduct.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourproductready.Figure1illustratesthelocationofthe
modelandserialnumbersontheproduct.Writethenumbers
inthespaceprovided.
g025340
1
Figure1
1.Locationofthemodelandserialnumbers
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
©2015—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedintheUSA.
AllRightsReserved
Contents
Safety...........................................................................3
SafeOperatingPractices...........................................3
SlopeIndicator.......................................................5
SafetyandInstructionalDecals.................................6
Setup............................................................................8
UnfoldingtheHandle..............................................8
CheckingtheEngine-OilLevel..................................8
ProductOverview..........................................................8
Controls................................................................8
Specications........................................................10
Attachments/Accessories........................................10
Operation....................................................................11
CheckingtheEngine-OilLevel.................................11
CleaningDebrisfromtheMachine............................11
AddingFuel...........................................................11
StartingandStoppingtheEngine..............................13
OperatingtheMachine............................................13
OperatingTips......................................................13
Maintenance.................................................................14
RecommendedMaintenanceSchedule(s)......................14
PremaintenanceProcedures........................................14
DisconnectingtheSpark-PlugWire...........................14
EngineMaintenance..................................................15
ServicingtheAirCleaner.........................................15
ServicingtheEngineOil..........................................15
CleaningtheSedimentCup......................................16
ServicingtheSparkPlug..........................................16
BeltMaintenance......................................................17
CheckingtheBeltTension.......................................17
AdjustingtheBeltTension.......................................18
MaintainingtheFlailBlades.........................................18
InspectingtheFlailBlades.......................................18
ReplacingtheFlailBlades........................................18
Storage........................................................................20
RemovingtheMachinefromStorage.........................20
Safety
Improperuseormaintenancebytheoperatoror
ownercanresultininjury.Toreducethepotential
forinjury,complywiththesesafetyinstructionsand
alwayspayattentiontothesafetyalertsymbol,which
means
Caution
,
W ar ning
,or
Danger
—personalsafety
instruction.Failuretocomplywiththeinstructionmay
resultinpersonalinjuryordeath.
SafeOperatingPractices
ThefollowinginstructionsarebasedontheANSI
B71.4—2004standard.
Training
•ReadtheOperator’sManualandothertrainingmaterial.If
theoperator(s)ormechanic(s)cannotreadEnglish,itis
theowner’sresponsibilitytoexplainthismaterialtothem.
•Becomefamiliarwiththesafeoperationoftheequipment,
operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.The
ownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperateorservice
theequipment.Localregulationsmayrestricttheageof
theoperator.
•Theowner/usercanpreventandisresponsiblefor
accidentsorinjuriesoccurringtohimselforherself,other
people,orproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessoriesand
attachmentsareneededtoproperlyandsafelyperform
thejob.Onlyuseaccessoriesandattachmentsapproved
bythemanufacturer.
•Wearappropriateclothingincludingsafetyglassesand
hearingprotection.Longhair,looseclothing,orjewelry
maygettangledinmovingparts.
•Inspecttheareawheretheequipmentistobeusedand
removeallobjectssuchasrocks,toys,andwire,whichcan
becontactedbythemachine.
•Useextracarewhenhandlinggasolineandotherfuels.
Theyareammableandvaporsareexplosive.
–Useonlyanapprovedcontainer.
–Neverremovethegascaporaddfuelwiththeengine
running.
–Allowtheenginetocoolbeforerefueling.
–Donotsmoke.
–Neverrefuelordrainthemachineindoors.
•Checkthattheoperatorpresencecontrols,safetyswitches,
andshieldsareattachedandfunctioningproperly.Donot
operatethemunlesstheyarefunctioningproperly.
3
Operation
•Neverrunanengineinanenclosedarea.
•Onlyoperateingoodlight,keepingawayfromholesand
hiddenhazards.
•Starttheengineonlyfromtheoperator’sposition.
•Neveroperatewithouttheshields,covers,orotherguards
securelyinplace.Besureallinterlocksarefunctioning
properly.
•Donotchangetheenginegovernorsettingoroverspeed
theengine.
•Raisetheailblades,stopthemachine,andstopthe
enginebeforeleavingtheoperator’spositionforany
reason.
•Stoptheequipmentandinspecttheailbladesafter
strikinganobjectorifanabnormalvibrationoccurs.
Makenecessaryrepairsbeforeresumingoperation.
•Keephandsandfeetawayfromtheailbladearea.
•Nevercarrypassengers,andkeeppetsandbystanders
away.
•Bealert,slowdown,andusecautionwhenmakingturns.
Lookbehindandtothesidebeforechangingdirections.
•Donotoperatethemachinewhileundertheinuence
ofalcoholordrugs.
•Lightningcancausesevereinjuryordeath.Iflightning
isseenorthunderisheardinthearea,donotoperate
themachine;seekshelter.
•Useextremecarewhenloadingorunloadingthemachine
intoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,trees,
orotherobjectsthatmayobscurevision.
•Alwaysbeawareofobstaclesthatmaybeinthearea
ofoperation.Planyourpathtoavoidcontactwithany
obstaclebyyouorthemachine.
SlopeOperation
•Donotoperateneardrop-offs,ditches,steepbanks,or
water.Wheelsdroppingoveredgescancauserollovers,
whichmayresultinseriousinjuryordeath.
•Donotoperateonslopeswhengrassiswet.Slippery
conditionsreducetractionandcouldcauseslidingand
lossofcontrol.
•Donotmakesuddenturnsorrapidspeedchanges.
•Reducespeedanduseextremecautiononslopes.
•Donotoperateonaslopegreaterthan20degrees.
•Removeormarkobstaclessuchasrocks,treelimbs,etc.
fromtheoperatingarea.
•Watchforditches,holes,rocks,dips,andrisesthatchange
theoperatingangle,asroughterraincouldoverturnthe
machine.
•Alwaysavoidsuddenstartingorstoppingonaslope.If
tireslosetraction,disengagetheailbladesandproceed
slowlyofftheslope.
•Followtherecommendationsforwheelweightsor
counterweightstoimprovestability.
MaintenanceandStorage
•Waitforallmovementtostopbeforeadjusting,cleaning,
orrepairing.Raisetheailblades,stopthemachine,stop
theengine,anddisconnectthespark-plugwire.
•Cleangrassanddebrisfromtheblades,drives,mufers,
andenginetohelppreventres.Cleanupoilorfuelspills.
•Lettheenginecoolbeforestoring,anddonotstorethe
machinenearaame.
•Shutoffthefuelwhilestoringortransportingthemachine
ontrailers.Donotstorefuelnearamesordrainindoors.
•Parkthemachineonlevel,hardground.Neverallow
untrainedpersonneltoserviceit.
•Usejackstandsorsafetylatchestosupportcomponents
whenrequired.
•Carefullyreleasepressurefromcomponentswithstored
energy.
•Removethespark-plugwirebeforemakinganyrepairs.
•Keephandsandfeetawayfrommovingparts.Ifpossible,
donotmakeadjustmentswiththeenginerunning.
•Keepallpartsingoodworkingconditionandallhardware
tightened.Replaceallwornordamageddecals.
•UseonlyToro-approvedattachments.Thewarranty
maybevoidedifthemachineisusedwithunapproved
attachments.
4
SlopeIndicator
G01 1841
Figure3
Thispagemaybecopiedforpersonaluse.
1.Themaximumslopeyoucansafelyoperatethemachineonis20degrees.Usetheslopecharttodeterminethedegreeofslope
ofhillsbeforeoperating.Donotoperatethismachineonaslopegreaterthan20degrees.Foldalongtheappropriateline
tomatchtherecommendedslope.
2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.
3.Exampleofhowtocompareslopewithfoldededge.
5
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.
117-4979
1.Warning—stayawayfrommovingparts;keepallguardsin
place.
93-7321
1.Warning—stayawayfrommovingparts;keepallguardsin
place.
125-3809
1.Warning—readtheOperator’sManual.5.Thrownobjecthazard—keepbystandersawayfromthe
machine.
2.Warning—donotoperatethismachineunlessyouaretrained.
6.Warning—stoptheenginebeforewalkingawayfromthe
machine.
3.Thrownobjecthazard—stoptheengineandremoveany
debrisfromyourpath.
7.Warning—stoptheengineanddisconnectthesparkplugwire
beforeperformingmaintenanceonthemachine.
4.Warning—stayawayfrommovingparts;keepallguardsin
place.
125-3897
1.Warning-stayawayfrommovingparts;keepallguardsand
shieldsinplace.
130-8322
1.Onlyusefuelwithan
alcoholcontentbyvolume
under10%.
3.Donotusefuelwithan
alcoholcontentbyvolume
greaterthan10%.
2.ReadtheOperator's
Manualformore
informationonfuel.
6
127-4061
1.Cuttingblades
4.Holdthehandletostart
theengine.
2.Fast5.Releasethehandletostop
theengine.
3.Slow
7
Setup
UnfoldingtheHandle
1.Raisethehandletotheoperatingposition(Figure4).
g025336
Figure4
2.Slidetheovallockingringsdowneachsideofthe
upperhandleoverthelowerhandle,lockingthehandle
sectionstogether(Figure4).
CheckingtheEngine-OilLevel
Themachinecomesfromthefactorywithoilintheengine
crankcase,however,itmaybenecessarytoaddoil;referto
ServicingtheEngineOil(page15).
ProductOverview
g025337
1
2
3
4
5
6
Figure5
1.Operator-presencebail
4.Fueltank
2.Handle5.Depth-controllever
3.Throttle-controllever6.Recoil-starterhandle
Controls
G023178
Figure6
1.Recoilstarter
4.Chokelever
2.Sedimentcup
5.Throttlelever
3.Fuel-shutoffvalve
8
RecoilStarter
Pulltherecoil-starterhandletostarttheengine(Figure6).
FuelShutoffValve
Closethefuel-shutoffvalvewhentransportingorstoringthe
machine(Figure6).
ChokeLever
Beforestartingacoldengine,movethechokeleverforward.
Aftertheenginestarts,regulatethechoketokeeptheengine
runningsmoothly.Assoonaspossible,movethechokelever
allthewayrearward.
Note:Awarmenginerequireslittleornochoking.
Operator-PresenceBail
Theoperator-presencebailallowsthemachinetostart/run.
Tostartthemachine,holddowntheoperatorpresencebail
(Figure7).Continuetoholddowntheoperatorpresencebail
toallowthemachinetorun.
Figure7
1.Operator-presencebail
9
ThrottleLever
Movethecontrolforwardtoincreasetheenginespeed,and
rearwardtodecreasespeed(Figure8).
Figure8
1.Throttlelever
Depth-ControlLever
Thedepth-controlleverallowsyoutosetthedepthofthe
ailbladesin10differentcuttingpositionsalongwith1
positionfortransportation.
Toadjustthedepth,removethehairpincotter,pullthe
lockingpinout,andmovetheleverforwardorrearwardto
thedesireddepthsetting(Figure9).
Important:Donotpulltheleverside-to-side,asthis
bendsthelever.
1
2
3
4
g025338
Figure9
1.Depth-controllever3.Hairpincotter
2.Transport-positionhole4.Lockingpin
Specications
Note:Specicationsanddesignaresubjecttochange
withoutnotice.
Width
69.9cm(27.5inches)
Length(operating)111.8cm(44inches)
Length(withhandlestored)86.4cm(34inches)
Height(operating)94cm(37inches)
Height(withhandlestored)63.5cm(25inches)
Weight
61.2kg(135lbs)
Attachments/Accessories
Approvedattachmentsandaccessoriesareavailableforuse
withthemachinetoenhanceandexpanditscapabilities.
ContactanAuthorizedServiceDealerorDistributororgo
towww.Toro.comforalistofallapprovedattachmentsand
accessories.
10
Operation
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
1.Stoptheengine,disengagetheailblades,andwaitfor
allmovingpartstostop.
2.Cleanaroundthedipsticktopreventdirtfromfalling
intothellerhole,whichcausesdamagetotheengine
(Figure10).
Note:Ensurethattheengineislevel.
Figure10
1.Dipstick
3.Unscrewthedipstickandwipetheendclean(Figure
10).
4.Insertthedipstickfullyontothellertube(Figure10).
Important:Donotscrewitin.
5.Removethedipstickagainandlookattheend(Figure
11).
Note:Iftheengine-oillevelislow ,slowlypouronly
enoughoilintothellertubetoraisetheleveltothe
middleofthedipstick
1
2
3
4
g019686
5
Figure11
1.Fillertube4.Lowerlimit
2.Dipstick
5.Oil-drainbolt
3.Upperlimit
Important:Donotoverllthecrankcasewith
engineoilandruntheengine;enginedamage
mayresult.
CleaningDebrisfromthe
Machine
ServiceInterval:Beforeeachuseordaily
1.Disengagetheailblades,stoptheengine,andwaitfor
allmovingpartstostop.
2.Brushdirtanddebrisawayfromtheaircleanerand
engineopenings.
AddingFuel
RecommendedFuel:
•Forbestresults,useonlyclean,fresh(lessthan30days
old),unleadedgasolinewithanoctaneratingof87or
higher((R+M)/2ratingmethod).
•Ethanol:Gasolinewithupto10%ethanol(gasohol)
or15%MTBE(methyltertiarybutylether)byvolume
isacceptable.EthanolandMTBEarenotthesame.
Gasolinewith15%ethanol(E15)byvolumeisnot
approvedforuse.Neverusegasolinethatcontains
morethan10%ethanolbyvolume,suchasE15
(contains15%ethanol),E20(contains20%ethanol),or
E85(containsupto85%ethanol).Usingunapproved
gasolinemaycauseperformanceproblemsand/orengine
damagewhichmaynotbecoveredunderwarranty.
11
•Donotusegasolinecontainingmethanol.
•Donotstorefueleitherinthefueltankorfuelcontainers
overthewinterunlessafuelstabilizerisused.
•Donotaddoiltogasoline.
Important:Toreducestartingproblems,addfuel
stabilizertothefuelallseason,mixingitwithgasoline
lessthan30daysold;runthemachinedrybeforestoring
itformorethan30days.
Donotusefueladditivesotherthanafuel
stabilizer/conditioner.Donotusefuelstabilizers
withanalcoholbasesuchasethanol,methanol,or
isopropanol.
DANGER
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Fillthefueltankoutdoors,inanopenarea,
whentheengineiscold.Wipeupanygasoline
thatspills.
•Neverllthefueltankinsideanenclosedtrailer.
•Donotllthefueltankcompletelyfull.Add
gasolinetothefueltankuntilthelevelis6to13
mm(1/4to1/2inch)belowthebottomofthe
llerneck.Thisemptyspaceinthetankallows
gasolinetoexpand.
•Neversmokewhenhandlinggasoline,andstay
awayfromanopenameorwheregasoline
fumesmaybeignitedbyaspark.
•Storegasolineinanapprovedcontainerand
keepitoutofthereachofchildren.Neverbuy
morethana30-daysupplyofgasoline.
•Donotoperatewithouttheentireexhaust
systeminplaceandinproperworkingcondition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleased,causingasparkwhich
canignitethegasolinevapors.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Alwaysplacegasolinecontainersontheground
awayfromyourvehiclebeforelling.
•Donotllgasolinecontainersinsideavehicleor
onatruckortrailerbed,becauseinteriorcarpets
orplastictruckbedlinersmayinsulatethe
containerandslowthelossofanystaticcharge.
•Whenpractical,removegas-poweredequipment
fromthetruckortrailer,andrefuelthe
equipmentwithitswheelsontheground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfromaportable
containerratherthanfromagasolinedispenser
nozzle.
•Ifagasolinedispensernozzlemustbeused,
keepthenozzleincontactwiththerimofthe
fueltankorcontaineropeningatalltimesuntil
fuelingiscomplete.
FillingtheFuelTank
1.Disengagetheailblades,stoptheengine,andwaitfor
allmovingpartstostop.
2.Allowtheenginetocool.
3.Cleanaroundthefuel-tankcapandremoveit(Figure
12).
Note:Thecapistetheredtothefueltank.
g013315
Figure12
4.Addunleadedgasolinetothefueltankuntilthelevel
isjustinsidethemeshlterbasket.
Important:Thisspaceinthetankallowsgasoline
toexpand.Donotllthefueltankcompletelyfull.
12
5.Installthefuel-tankcapsecurely.
6.Wipeupanyspilledgasoline.
StartingandStoppingthe
Engine
StartingtheEngine
1.Turnonthefuelvalve.
2.Movethechokelevertotheleftifyouarestartinga
coldengine.
3.MovethethrottlelevermidwaybetweentheSLOW
(turtle)andFAST(rabbit)positions.
Note:Awarmorhotenginemaynotrequirechoking.
4.Withonehand,holddowntheoperator-presencebail.
5.Pulltherecoilhandlesharplytostarttheengine.
6.Aftertheenginestarts,graduallymovethechoketo
theright.
Note:Iftheenginestallsorhesitates,movethechoke
leftagainuntiltheenginewarmsup.
7.Movethethrottlelevertodesiredsetting.
StoppingtheEngine
1.Releasetheoperator-presencebail.
2.Turnthefuelvalveoff.
3.Waitforallmovingpartstostop.
OperatingtheMachine
1.Movethedepth-controllevertothedesiredsetting.
2.Starttheengine.
3.Pushdownonthehandletoraisethefrontwheelsoff
theground.
4.Slowlylowerthefrontwheelstotheground,allowing
thebladestograduallyworkintothegrassandsoil.
5.Whennished,releasetheoperatorpresencebail,stop
theengine,andraisethecuttingbladestothetransport
setting.
OperatingTips
Dethatching
•Settheailblades3to6mm(1/8to1/4inch)intothe
earth(belowthezeroposition).
•Mowyardshorterthannormalmowinglengthbefore
dethatching.
•Dethatchalawnbeforetheprimegrowingseason.
•Afterdethatching,removethatchanddebrisfromlawn
withrake.
•Usetimeofsoilexposuretofertilizeandseedlawn.
•Givelawnextrawateringafterdethatching.
PowerRaking/Renovation
Tobreaknewgroundortillanexistinglawn,settheail
blades6to12mm(1/4to1/2inch)intotheearth(below
thezeroposition).Allowthemachinetomoveatitsown
pacethroughthesoil,goingforwardandbackwardoverthe
areatobeleveled,ormakingmultiplepassesfromdifferent
directions.
13
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst25hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengine-oillevel.
•Cleandebrisfromthemachine.
•Inspecttheair-cleanerelements.
•Checkthebelttension.Iftheengineisworkingbuttheailsseemunderpowered,
checkthebelttension
•Checktheailbladesforwearordamage.
•Checkforloosefasteners.
Every50hours
•Cleantheair-lterelements.Cleanthemmorefrequentlyindustyoperating
conditions.
Every100hours
•Changetheengineoil.
•Cleanthesedimentcup.
•Inspect,clean,andadjustthesparkplug;replaceitifnecessary.
Every200hours
•Replacethesparkplug.
Every300hours
•Replacethepaperair-cleanerelement.Replaceitmorefrequentlyindusty
operatingconditions.
Yearlyorbeforestorage
•T ouchupchippedpaint.
Premaintenance
Procedures
DisconnectingtheSpark-Plug
Wire
Beforeperforminganymaintenanceontheengine,belts,or
cuttingblades,disconnectthespark-plugwirefromthespark
plug(Figure13).
G019426
Figure13
1.Spark-plugwire
14
EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily—Inspectthe
air-cleanerelements.
Every50hours—Cleantheair-lterelements.Clean
themmorefrequentlyindustyoperatingconditions.
Every300hours/Yearly(whichevercomes
rst)—Replacethepaperair-cleanerelement.Replace
itmorefrequentlyindustyoperatingconditions.
Important:Donotoperatetheenginewithoutthe
air-lterassembly;extremeenginedamagewilloccur.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.Removethenutthatsecuresthecover(Figure14).
G019427
Figure14
1.Nut3.Paperelement
2.Cover
4.Foamelement
4.Removethecover.
Note:Becarefultopreventdirtanddebrisfrom
fallingintothebase.
5.Removethenut-restrainingair-lterassembly.
6.Removethefoamandpaperelementsfromthebase
(Figure14).
7.Removethefoamelementfromthepaperelement
(Figure14).
8.Inspectthefoamandpaperelements,andreplacethem
iftheyaredamagedorexcessivelydirty.
9.Ifthepaperelementisexcessivelydirty,replaceit.
Note:Nevertrytobrushdirtoffthepaperelement;
brushingforcesthedirtintothebers.
10.Cleanthefoamelementinwarm,soapywaterorin
anonammablesolvent.
11.Rinseanddrythefoamelementthoroughly.
12.Dipthefoamelementincleanengineoil,thensqueeze
outtheexcessoil.
Note:Excessoilinthefoamelementrestrictstheair
owthroughtheelementandmayreachthepaper
lterandclogit.
13.Wipedirtfromthebaseandthecoverwithamoistrag.
Note:Becarefultopreventdirtanddebrisfrom
enteringtheairductleadingtothecarburetor.
14.Installtheair-cleanerelementsandensurethattheyare
properlypositioned.
15.Securelyinstallthecoverwiththenut.
ServicingtheEngineOil
OilType:Detergentoil(APIserviceSJorhigher)
CrankcaseCapacity:1.1L(37oz)
Viscosity:Seethetablebelow(Figure15).
g013375
0 20 40 60 80 100 F
-20 -10 0 10 20 30 40 C
o
o
30
5W - 30 / 10W - 30
Figure15
ChangingtheEngineOil
ServiceInterval:Aftertherst25hours
Every100hours
WARNING
Oilmaybehotaftertheenginehasbeenrun,and
contactwithhotoilcancauseseverepersonalinjury.
Avoidcontactingthehotengineoilwhenyoudrain
it.
1.Stoptheenginebyreleasingtheoperator-presencebail,
disengagetheailblades,andwaitforallmovingparts
tostop.
2.Disconnectthewirefromthesparkplug.
3.Raisethefrontwheelsafewinchesoffthegroundand
placeapanunderthedrainplugtocatchtheoil.
15
4.Removethedrainplug(Figure16).
G019428
Figure16
1.Drainplug
5.Whentheoilhasdrainedcompletely,lowerthefront
wheelstotheground,replacethedrainplug,and
torqueto18N-m(13ft-lb).
Note:Disposeoftheusedoilatacertiedrecycling
center.
6.Removethedipstickandslowlypouroilintotheller
holeuntiltheoillevelreachesthemiddleofthedipstick
(Figure11).
7.Replaceandsecurethedipstick.
8.Wipeupanyspilledoil.
9.Connectthewiretothesparkplug.
CleaningtheSedimentCup
ServiceInterval:Every100hours
DANGER
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Stoptheengineandkeepheat,sparks,and
ameaway.
•Handlefuelonlyoutdoors.
•Wipeupspillsimmediately.
•Donotsmokewhilehandlingfuel.
1.Shutofftheengineandwaitforallmovingpartsto
stop.
2.Disconnectthewirefromthesparkplug.
3.Movethefuel-shutoffvalvetotheOFFposition.
4.RemovethesedimentcupandO-ring(Figure17).
1
2
g020282
Figure17
1.O-ring2.Sedimentcup
5.Washthesedimentcupinanon-ammablesolventand
dryitthoroughly.
6.PlacetheO-ringinthefuelvalveandinstallthe
sedimentcup,tighteningitsecurely.
7.Movethefuel-shutofflevertotheONposition.
Note:Ifanyfuelleaks,repeatthisprocedureand
replacetheO-ring.
ServicingtheSparkPlug
ServiceInterval:Every100hours—Inspect,clean,and
adjustthesparkplug;replaceitif
necessary.
Every200hours—Replacethesparkplug.
UseanNGKBPR6ESsparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,ordirty
sparkplug.Donotcleantheelectrodesbecause
gritenteringthecylindercandamagetheengine.
5.Setthegapontheplugto0.76mm(0.03inch)(Figure
18).
16
Figure18
1.Center-electrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Carefullyinstallthesparkplugbyhand(toavoidcross
threading)untilitishandtight.
7.Tightenthesparkpluganadditional1/2turnifitis
new;otherwise,tightenitanadditional1/8to1/4turn.
Important:Aloosesparkplugcanbecomevery
hotandcandamagetheengine;overtighteninga
sparkplugmaydamagethethreadsinthecylinder
head.
8.Connectthewiretothesparkplug.
BeltMaintenance
CheckingtheBeltTension
ServiceInterval:Beforeeachuseordaily—Checkthebelt
tension.Iftheengineisworkingbutthe
ailsseemunderpowered,checkthebelt
tension
1.Stopthemachineonalevelsurface,shutoffthe
engine,disconnectthespark-plugwire,andraisethe
ailbladestothehighestposition.
2.Removethe4boltssecuringthebeltcovertotheleft
sideofthemachineandremovethecover(Figure19).
Figure19
1.Belt3.Bolts
2.Cover
3.Checkthetensionofthebelt(Figure19).
Note:Thebeltshouldnotexmorethana12mm
(1/2inch)withmoderatengerpressureappliedtothe
spanjustabovethemachineframe.
4.Ifthebelttensionisloose,refertoAdjustingtheBelt
Tension(page18).
5.Installthebeltcoverbeforeoperatingthemachine.
17
AdjustingtheBeltTension
1.Stopthemachineonalevelsurfaceandshutoffthe
enginebyreleasingtheoperator-presencebail.
2.Totightenthebelt,loosenthe4mountingnuts
securingtheenginetotheframe.
1
g025339
Figure20
1.Mountingnuts
3.Movetheenginetotightenthebelttotheproper
tension.
4.Securethe4mountingnutsandbolts.
Note:Torquetheboltsthatsecuretheenginetothe
frameto271N-m(200in-lb).
MaintainingtheFlail
Blades
InspectingtheFlailBlades
ServiceInterval:Beforeeachuseordaily—Checktheail
bladesforwearordamage.
Whentheailbladesareworndownandarenolonger
functioningproperly,refertoReplacingtheFlailBlades(page
18).
Important:Performthisprocedurewhenthefueltank
isemptyornearlyempty.Tipthemachineforwardto
keepairlterup.
ReplacingtheFlailBlades
Whentheailbladesareworndownandnolonger
functioningproperly,replacethemasfollows:
Important:Preformthisprocedurewhenthefueltank
isemptyornearlyempty.
1.Stopthemachineonalevelsurfaceandshutoffthe
enginebyreleasingtheoperator-presencebail.
2.Lowertheailbladestothelowestposition.
3.Tiltthemachineforwardontoitsnose,andrestitona
blockofwood.
Note:Itwilltake2peopletotipthemachineforward
safely.
4.Spintheail-bladeassembly.
Note:Itshouldspinfreely.Ifitmakesagrinding
noiseandishalting,thebearingsareworn;replace
themwhenyoureplacetheblades.
5.Removethecotterpinfromtherodwiththeworn
downail(Figure21).
6.Carefullypullouttherodtoreleasetheailsand
spacers(Figure21).
7.Replaceworndownailswithnewonesanddiscard
theoldails.
18
Figure21
1.Rod
3.Spacer
2.Flail
4.Cotterpin
8.Carefullyaddailsandspacerstorodinthesameorder
astheywereremoved.
Important:Aligntherodwiththeformedhead
towardthecenterofthemachine.
9.Addthecotterpintolocktherod,ails,andspacers
intoplace.
19
Storage
1.Raisetheailblades,stopthemachine,shutoffthe
engine,anddisconnectthespark-plugwire.
2.Removedirtandgrimefromtheentiremachine.
Important:Youcanwashthemachinewithmild
detergentandwater.Donotpressurewashthe
machine.Avoidexcessiveuseofwater,especially
neartheengine.
3.Servicetheaircleaner;refertoServicingtheAir
Cleaner(page15).
4.Changetheengineoil;refertoChangingtheEngine
Oil(page15).
5.Forstorageover30days,preparethetractionunitas
follows:
A.Addapetroleum-basedstabilizer/conditioner
tothefuelinthetank.Followthemixing
instructionsfromthestabilizermanufacturer.Do
notuseanalcohol-basedstabilizer(ethanol
ormethanol).
Note:Afuelstabilizer/conditionerismost
effectivewhenmixedwithfreshgasolineandused
atalltimes.
B.Runtheengineuntilitstopsfromrunningout
offuel.
C.Choketheengine.
D.Startandruntheengineuntilitwillnotstartagain.
E.Disposeoffuelproperly.Recyclethefuel
accordingtolocalcodes.
Important:Donotstorestabilizer/conditioned
gasolineover90days.
6.Checkandtightenallbolts,nuts,andscrews.Repairor
replaceanypartthatisdamaged.
7.Paintallscratchedorbaremetalsurfaceswithpaint
fromanAuthorizedServiceDealer.
8.Storethemachineinaclean,drygarageorstoragearea.
9.Coverthemachinetoprotectitandkeepitclean.
RemovingtheMachinefrom
Storage
1.Checkandtightenallfasteners.
2.Inspectthesparkplugandreplaceitifitisdirty,worn,
orcracked;refertotheengineOwner’sManual.
3.Installthesparkpluguntilitishand-tight,thenan
additional1/2turnifitisnew,otherwise,tightenitan
additional1/8to1/4turn.
4.Performanyneededmaintenanceprocedures;referto
Maintenance(page14).
5.Checktheengine-oillevel;refertoCheckingthe
Engine-OilLevel(page11).
6.Fillthefueltankwithfreshgasoline;refertoFilling
theFuelTank(page12).
7.Connectthewiretothesparkplug.
20
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