22inRecycler
ModelNo.20331—SerialNo.312000001andUp
®
LawnMower
Registeratwww.Toro.com.
ReplacementpartsareavailablefromanAuthorizedServiceDealeroratwww.shoptoro.com.
Introduction
FormNo.3373-723RevA
Operator'sManual
Thisrotary-blade,walk-behindlawnmowerisintendedto
beusedbyresidentialhomeowners.Itisdesignedprimarily
forcuttinggrassonwell-maintainedlawnsonresidential
properties.Itisnotdesignedforcuttingbrushorfor
agriculturaluses.
Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely.
YoumaycontactTorodirectlyatwww .T oro.comforproduct
andaccessoryinformation,helpndingadealer,ortoregister
yourproduct.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourproductready.
modelandserialnumbersontheproduct.
Figure1identiesthelocationofthe
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Thisengineisnotequippedwithaspark
arrestermufer.ItisaviolationofCaliforniaPublic
ResourceCodeSection4442touseoroperatetheengine
onanyforest-covered,brush-covered,orgrass-covered
land.Otherstatesorfederalareasmayhavesimilarlaws.
Figure1
1.Modelandserialnumberplate
Writetheproductmodelandserialnumbersinthespace
below:
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
©2012—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.
ThissparkignitionsystemcomplieswithCanadianICES-002.
Theenclosed
informationregardingtheUSEnvironmentalProtection
Agency(EPA)andtheCaliforniaEmissionControl
Regulationofemissionsystems,maintenance,and
warranty.Replacementsmaybeorderedthroughthe
enginemanufacturer.
Formodelswithstatedenginehorsepower,thegross
horsepoweroftheenginewaslaboratoryratedbytheengine
manufacturerinaccordancewithSAEJ1940.Ascongured
tomeetsafety,emission,andoperatingrequirements,the
actualenginehorsepoweronthisclassoflawnmowerwill
besignicantlylower.
Engine Owner's Man ual
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
issuppliedfor
*3373-723*A
Contents
Introduction..................................................................1
GeneralOperation..................................................2
SlopeOperation......................................................2
Children.................................................................3
Service...................................................................3
SafetyandInstructionalDecals.................................4
Setup............................................................................4
1InstallingtheHandle.............................................4
2FillingtheEnginewithOil......................................4
ProductOverview..........................................................5
Operation.....................................................................6
FillingtheFuelTank................................................6
CheckingtheEngineOilLevel..................................6
AdjustingtheCuttingHeight....................................6
StartingtheEngine..................................................7
UsingtheSelf-propelDrive.......................................7
StoppingtheEngine................................................8
RecyclingtheClippings............................................8
BaggingtheClippings..............................................8
Side-dischargingtheClippings...................................9
OperatingTips......................................................10
Maintenance.................................................................12
RecommendedMaintenanceSchedule(s)......................12
PreparingforMaintenance.......................................12
ReplacingtheAirFilter............................................13
ChangingtheEngineOil.........................................13
ReplacingtheBlade................................................13
AdjustingtheSelf-propelDriveCable........................14
CleaningtheMower................................................15
Storage........................................................................16
PreparingtheMowerforStorage..............................16
FoldingtheHandle.................................................16
RemovingtheMowerfromStorage...........................16
Safety
ThislawnmowermeetsorexceedstheCPSCbladesafety
requirementsforwalk-behindrotarylawnmowersandthe
B71.1specicationsoftheAmericanNationalStandards
Instituteineffectatthetimeofproduction.
Readandunderstandthecontentsofthismanualbefore
youstarttheengine.
Thesafetyalertsymbol(Figure2)isusedtoalertyouto
potentialpersonalinjuryhazards.Obeyallsafetymessages
thatfollowthissymboltoavoidpossibleinjuryordeath.
Improperlyusingormaintainingthismowercouldresultin
injuryordeath.T oreducethispotential,complywiththe
followingsafetyinstructions.
Thefollowinginstructionshavebeenadaptedfromthe
ANSI/OPEIstandardB71.1-2003.
Thiscuttingmachinecanamputatehandsandfeetand
throwobjects.Failuretoobservethefollowingsafety
instructionscouldresultinseriousinjuryordeath.
GeneralOperation
•Read,understand,andfollowallinstructionsonthe
machineandinthemanual(s)beforestarting.
•Donotputhandsorfeetnearorunderthemachine.
Keepclearofthedischargeopeningatalltimes.
•Onlyallowresponsibleadults,whoarefamiliarwiththe
instructions,tooperatethismachine.
•Cleartheareaofobjectssuchasrocks,wire,toys,etc.,
whichcouldbethrownbytheblade.Staybehindthe
handlewhentheengineisrunning.
•Besuretheareaisclearofbystandersbeforeoperating.
Stopmachineifanyoneentersthearea.
•Donotoperatemachinebarefootedorwhilewearing
sandals.Alwayswearsubstantialfootwear.
•Donotpullmachinebackwardunlessabsolutely
necessary.Alwayslookdownandbehindbeforeand
whilemovingbackward.
•Neverdirectdischargedmaterialtowardanyone.Avoid
dischargingmaterialagainstawallorobstruction.
Materialmayricochetbacktowardtheoperator.Stopthe
bladewhencrossinggravelsurfaces.
•Donotoperatemachinewithouttheentiregrasscatcher,
dischargeguard,rearguard,orothersafetyprotective
devicesinplaceandworking.
•Neverleavearunningmachineunattended.
•Stoptheengineandwaituntilthebladecomestoa
completestopbeforecleaningthemachine,removing
grasscatcher,oruncloggingthedischargeguard.
•Operatemachineonlyindaylightorgoodarticiallight.
•Donotoperatemachinewhileundertheinuenceof
alcoholordrugs.
•Neveroperatemowerinwetgrass.Alwaysbesureof
yourfooting;walk;neverrun.
•Disengagethedrivesystem,ifsoequipped,before
startingtheengine.
•Ifthemachineshouldstarttovibrateabnormally,stop
theengineandcheckforthecauseimmediately.Vibration
isgenerallyawarningoftrouble.
•Alwaysweareyeprotectionwhenoperatingmachine.
•Seemanufacturer'sinstructionsforproperoperationand
installationofaccessories.Onlyuseaccessoriesapproved
bythemanufacturer.
SlopeOperation
Slopesareamajorfactorrelatedtoslipandfallaccidents,
whichcanresultinsevereinjury.Operationonallslopes
requireextracaution.Ifyoufeeluneasyonaslope,donot
mowit.
•Mowacrossthefaceofslopes;neverupanddown.
Exerciseextremecautionwhenchangingdirectionon
slopes.
2
•Watchforholes,ruts,bumps,rocks,orotherhidden
objects.Uneventerraincouldcauseaslipandfall
accident.Tallgrasscanhideobstacles.
•Donotmowonwetgrassorexcessivelysteepslopes.
Poorfootingcouldcauseaslipandfallaccident.
•Donotmowneardrop-offs,ditches,orembankments.
Youcouldloseyourfootingorbalance.
WARNING
Exhaustcontainscarbonmonoxide,anodorless,
deadlypoisonthatcankillyou.
Donotruntheengineindoorsorinanenclosed
area.
GeneralService
Children
Tragicaccidentscanoccuriftheoperatorisnotalerttothe
presenceofchildren.Childrenareoftenattractedtothe
machineandthemowingactivity .Neverassumethatchildren
willremainwhereyoulastsawthem.
•Keepchildrenoutofthemowingareaandunderthe
watchfulcareofaresponsibleadultotherthanthe
operator.
•Bealertandturnmoweroffifachildentersthearea.
•Neverallowchildrentooperatethemachine.
•Useextracarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayblockyourviewofachild.
Service
SafeHandlingofGasoline
Toavoidpersonalinjuryorpropertydamage,use
extremecareinhandlinggasoline.Gasolineisextremely
ammableandthevaporsareexplosive.
•Extinguishallcigarettes,cigars,pipes,andothersources
ofignition.
•Useonlyanapprovedgasolinecontainer.
•Neverremovegascaporaddfuelwiththeengine
running.Allowenginetocoolbeforerefueling.
•Neverrefuelthemachineindoors.
•Neverstorethemachineorfuelcontainerwherethereis
anopename,spark,orpilotlightsuchasonawater
heateroronotherappliances.
•Neverllcontainersinsideavehicleoronatruckor
trailerbedwithaplasticliner.Alwaysplacecontainerson
thegroundawayfromyourvehiclebeforelling.
•Removegas-poweredequipmentfromthetruckortrailer
andrefuelitontheground.Ifthisisnotpossible,then
refuelsuchequipmentwithaportablecontainer,rather
thanfromagasolinedispensernozzle.
•Keepthenozzleincontactwiththerimofthefueltank
orcontaineropeningatalltimesuntilfuelingiscomplete.
Donotuseanozzlelock-opendevice.
•Iffuelisspilledonclothing,changeclothingimmediately.
•Neveroverllfueltank.Replacegascapandtighten
securely.
•Neveroperatemachineinaclosedarea.
•Keepallnutsandboltstighttobesuretheequipmentis
insafeworkingcondition.
•Nevertamperwithsafetydevices.Checktheirproper
operationregularly.
•Keepmachinefreeofgrass,leaves,orotherdebris
build-up.Cleanupoilorfuelspillageandremoveany
fuel-soakeddebris.Allowmachinetocoolbeforestoring.
•Ifyoustrikeaforeignobject,stopandinspectthe
machine.Repair,ifnecessary,beforestarting.
•Nevermakeanyadjustmentsorrepairswiththeengine
running.Disconnectthesparkplugwireandground
againstenginetopreventunintendedstarting.
•Checkgrasscatchercomponentsandthedischargeguard
frequentlyandreplacewithmanufacturer'srecommended
parts,whennecessary.
•Mowerbladesaresharp.Wrapthebladeorweargloves,
anduseextracautionwhenservicingthem.
•Donotchangetheenginegovernorsettingoroverspeed
theengine.
•Maintainorreplacesafetyandinstructionlabels,as
necessary.
3
SafetyandInstructionalDecals
Important:Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamageddecals.
Setup
Important:Removeanddiscardtheprotectiveplastic
Manufacturer'sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal
machinemanufacturer.
sheetthatcoverstheengine.
1
InstallingtheHandle
NoPartsRequired
Procedure
WARNING
Foldingorunfoldingthehandleimproperlycan
94-8072
damagethecables,causinganunsafeoperating
condition.
112-8867
1.Lock2.Unlock
114-7982
1.Warning—readtheOperator'sManual.
2.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
3.Cutting/dismembermenthazardofhandorfoot,mower
blade—removetheignitionkeyandreadtheinstructions
beforeservicingorperformingmaintenance.
4.Cutting/dismembermenthazardofhandorfoot,mower
blade—stayawayfrommovingparts.
5.Cutting/dismembermenthazardofhandorfoot,mower
blade—donotoperateupanddownslopes;operatesideto
sideonslopes;stoptheenginebeforeleavingtheoperating
position;andlookbehindyouwhenbackingup.
•Donotdamagethecableswhenfoldingor
unfoldingthehandle.
•Ifacableisdamaged,contactanAuthorized
ServiceDealer.
1.Removethehandleknobsfromthemowerhousing
(Figure3).
Important:Routethecablestotheoutsideofthe
handleknobsasyouinstallthehandle.
Figure3
2.Movethehandletotheoperatingposition.
3.Installandtightenthehandleknobsthatyouremoved
instep1.
4
2
FillingtheEnginewithOil
NoPartsRequired
Procedure
Important:Yourmowerdoesnotcomewithoilinthe
engine,butitdoescomewithabottleofoil.Before
startingtheengine,lltheenginewithoil.
Max.ll:20oz.(0.59l),type:SAE30detergentoilwithan
APIserviceclassicationofSF,SG,SH,SJ,SL,orhigher.
Note:Whenthecrankcaseisempty,pourabout3/4of
thecrankcasecapacityofoilinthecrankcase,thendothe
following:
1.Movethemowertoalevelsurface.
2.Removethedipstick(Figure4).
ProductOverview
Figure5
1.Cuttingheightlever(4)
2.Sparkplug
3.Airlter(notshown)9.Self-propeldrivebar
4.Fueltankcap
5.Oilll/dipstick
6.Handle
7.Recoilstarthandle
8.Bladecontrolbar
10.Handleknob(2)
11.Washoutport
Figure4
1.Dipstick
3.Slowlypouroilintotheoillltubeuntiltheoillevel
reachestheFulllineonthedipstick(Figure4).W ait
3minutesafteraddingoiltochecktheoillevelwith
thedipstick.Donotoverll.(Max.ll:20oz.(0.59
l),type:SAE30detergentoilwithanAPIservice
classicationofSF ,SG,SH,SJ,SL,orhigher.)
Important:Donotoverllthecrankcasewithoil
andruntheengine.Draintheexcessoiluntilthe
oillevelonthedipstickreadsFull.
4.Installthedipsticksecurely.
Important:
operating hour s
to(page).
Change the engine oil after the r st 5
;changeityearlythereafter.Refer
Figure6
1.Grassbag2.Sidedischargechute
5
Operation
FillingtheFuelTank
DANGER
Gasolineisextremelyammableandexplosive.A
reorexplosionfromgasolinecanburnyouand
others.
•Topreventastaticchargefromignitingthe
gasoline,placethecontainerand/ormower
directlyonthegroundbeforelling,notina
vehicleoronanobject.
•Fillthetankoutdoorswhentheengineiscold.
Wipeupspills.
•Donothandlegasolinewhensmokingoraround
anopenameorsparks.
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
1.Removethedipstick,wipeitclean,andfullyinstallthe
dipstick(Figure8).
•Storegasolineinanapprovedfuelcontainer,out
ofthereachofchildren.
Fillthefueltankwithfreshunleadedregulargasolinefroma
majorname-brandservicestation(Figure7).
Useunleadedregulargasolinesuitableforautomotiveuse
(87pumpoctaneminimum).Leadedregulargasolinemaybe
usedifunleadedregularisnotavailable.
Note:Neverusemethanol,gasolinecontainingmethanol,or
gasolinecontainingmorethan10%ethanolbecausethefuel
systemcouldbedamaged.Donotmixoilwithgasoline.
Important:Toreducestartingproblems,addfuel
stabilizertothefuelallseason,mixingitwithgasoline
lessthan30daysold.
Figure8
1.Dipstick
2.Removethedipstickandchecktheoillevel(Figure8).
IftheoillevelisbelowtheAddmarkonthedipstick,
slowlypouroilintotheoillltubetoraisetheoil
leveltotheFullmarkonthedipstick.Wait3minutes
afteraddingoiltochecktheoilwiththedipstick.Do
notoverll.(Max.ll:20oz.(0.59l),type:SAE30
detergentoilwithanAPIserviceclassicationofSF ,
SG,SH,SJ,SL,orhigher.)
Important:Donotoverllthecrankcasewithoil
andruntheengine.Draintheexcessoiluntilthe
oillevelonthedipstickreadsFull.
3.Installthedipsticksecurely.
AdjustingtheCuttingHeight
WARNING
Adjustingthecuttingheightmaybringyouinto
contactwiththemovingblade,causingserious
injury.
•Stoptheengineandwaitforallmovingparts
tostop.
•Donotputyourngersunderthehousingwhen
adjustingthecuttingheight.
Figure7
CAUTION
Iftheenginehasbeenrunning,themuferwillbe
hotandcanseverelyburnyou.Keepawayfromthe
hotmufer.
6