Toro 38451, 38452 Operator's Manual

PowerClear
G016241
ModelNo.38451—SerialNo.313000001andUp
ModelNo.38452—SerialNo.313000001andUp
®
621R/621ESnowthrower
FormNo.3373-698RevC
Operator'sManual
Introduction
Thismachineisintendedtobeusedbyresidential homeownersorprofessional,hiredoperators.Itis designedprimarilyforremovingsnowfrompaved surfaces,suchasdrivewaysandsidewalks,andother surfacesfortrafconresidentialorcommercial properties.Itisnotdesignedforremovingmaterials otherthansnow,norisitdesignedforclearingoffgravel surfaces.
Readthisinformationcarefullytolearnhowtooperateand maintainyourmachineproperlyandtoavoidinjuryand machinedamage.Youareresponsibleforoperatingthe machineproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comformachine andaccessoryinformation,helpndingadealer,ortoregister yourmachine.
Wheneveryouneedservice,genuineT oroparts,oradditional information,contactanAuthorizedServiceDealerorToro CustomerServiceandhavethemodelandserialnumbersof yourmachineready.Figure1identiesthelocationofthe modelandserialnumbersonthemachine.Writethenumbers inthespaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety messagesidentiedbythesafetyalertsymbol(Figure2), whichsignalsahazardthatmaycauseseriousinjuryordeath ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation. Importantcallsattentiontospecialmechanicalinformation andNoteemphasizesgeneralinformationworthyofspecial attention.
Contents
Introduction..................................................................1
Training.................................................................2
Preparation.............................................................2
Operation...............................................................2
ClearingaCloggedDischargeChute..........................3
MaintenanceandStorage..........................................3
ToroSnowthrowerSafety.........................................3
SafetyandInstructionalDecals.................................4
Setup............................................................................5
1UnfoldingtheHandle............................................5
2InstallingtheDischargeChute................................5
3FillingtheEnginewithOil......................................6
4AdjustingtheControlCable...................................7
ProductOverview..........................................................7
Operation.....................................................................7
FillingtheFuelTank................................................8
CheckingtheEngineOilLevel..................................8
StartingtheEngine..................................................8
EngagingtheRotorBlades.......................................10
DisengagingtheRotorBlades..................................10
StoppingtheEngine...............................................10
AdjustingtheDischargeChute.................................10
ClearingaCloggedDischargeChute.........................11
PreventingFreeze-upafterUse.................................11
OperatingTips......................................................11
Maintenance.................................................................12
RecommendedMaintenanceSchedule(s)......................12
AdjustingtheControlCable.....................................13
©2012—TheT oro®Company 8111LyndaleAvenueSouth Bloomington,MN55420
Registeratwww.T oro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3373-698*C
InspectingtheRotorBlades.....................................14
ChangingtheEngineOil.........................................14
ServicingtheSparkPlug..........................................15
ReplacingtheDriveBelt..........................................16
Storage........................................................................18
StoringtheSnowthrower.........................................18
Safety
Readandunderstandthecontentsofthismanualbefore youstarttheengine.
Thesafetyalertsymbolshownin alertyoutopotentialpersonalinjuryhazards.Obeyall safetymessagesthatfollowthissymboltoavoidpossible injuryordeath.
Improperlyusingormaintainingthismachinecould resultininjuryordeath.Toreducethispotential, complywiththefollowingsafetyinstructions.
Thismachineiscapableofamputatinghandsandfeet andofthrowingobjects.Failuretoobservethefollowing safetyinstructionscouldresultinseriousinjury.
Figure2isusedto
thisisnotpossible,thenrefuelsuchmachineryona trailerwithaportablecontainer,ratherthanfroma gasolinedispensernozzle.
Keepthenozzleincontactwiththerimofthefuel
tankorcontaineropeningatalltimes,untilrefueling iscomplete.Donotuseanozzlelock-opendevice.
Replacegasolinecapsecurelyandwipeupspilledfuel.
Iffuelisspilledonclothing,changeclothing
immediately.
Useextensioncordsandreceptaclesasspeciedby
themanufacturerforallmachineswithelectricstarting motors.
Donotattempttoclearsnowfromagravelorcrushed
rocksurface.Thismachineisintendedforuseonlyon pavedsurfaces.
Neverattempttomakeanyadjustmentswhiletheengine
isrunning(exceptwhenspecicallyrecommendedby manufacturer).
Alwayswearsafetyglassesoreyeshieldsduringoperation
orwhileperforminganadjustmentorrepairtoprotect eyesfromforeignobjectsthatmaybethrownfromthe machine.

Training

Read,understand,andfollowallinstructionsonthe
machineandinthemanual(s)beforeoperatingthis machine.Bethoroughlyfamiliarwiththecontrolsand theproperuseofthemachine.Knowhowtostopthe machineanddisengagethecontrolsquickly.
Neverallowchildrentooperatethemachine.Neverallow
adultstooperatethemachinewithoutproperinstruction.
Keeptheareaofoperationclearofallpersons,particularly
smallchildren.
Exercisecautiontoavoidslippingorfalling.

Preparation

Thoroughlyinspecttheareawherethemachineistobe
usedandremovealldoormats,sleds,boards,wires,and otherforeignobjects.
Donotoperatethemachinewithoutwearingadequate
wintergarments.Avoidloosettingclothingthatcanget caughtinmovingparts.W earfootwearthatwillimprove footingonslipperysurfaces.
Handlefuelwithcare;itishighlyammable.
Useanapprovedfuelcontainer. –Neveraddfueltoarunningengineorhotengine. –Fillfueltankoutdoorswithextremecare.Neverll
fueltankindoors.
Neverllcontainersinsideavehicleoronatruckor
trailerbedwithaplasticliner.Alwaysplacecontainers ontheground,awayfromyourvehicle,beforelling.
Whenpractical,removegas-poweredmachineryfrom
thetruckortrailerandrefuelitontheground.If

Operation

Donotputhandsorfeetnearorunderrotatingparts.
Keepclearofthedischargeopeningatalltimes.
Exerciseextremecautionwhenoperatingonorcrossing
graveldrives,walks,orroads.Stayalertforhidden hazardsortrafc.
Afterstrikingaforeignobject,stoptheengine,remove
theignitionkey ,thoroughlyinspectthemachineforany damage,andrepairthedamagebeforerestartingand operatingthemachine.
Ifthemachineshouldstarttovibrateabnormally,stopthe
engineandcheckimmediatelyforthecause.Vibrationis generallyawarningoftrouble.
Stoptheenginewheneveryouleavetheoperating
position,beforeuncloggingtherotorbladehousing ordischargechute,andwhenmakinganyrepairs, adjustmentsorinspections.
Whencleaning,repairing,orinspectingthemachine,stop
theengineandmakecertainthattherotorbladesandall movingpartshavestopped.
Donotruntheengineindoors,exceptwhenstarting
theengineandfortransportingthemachineinorout ofthebuilding.Opentheoutsidedoors;exhaustfumes aredangerous.
Exerciseextremecautionwhenoperatingonslopes.
Neveroperatethemachinewithoutproperguardsand
othersafetyprotectivedevicesinplaceandworking.
Neverdirectthedischargetowardpeopleorareaswhere
propertydamagecanoccur.Keepchildrenandothers away.
2
Donotoverloadthemachinecapacitybyattemptingto
clearsnowattoofastarate.
Lookbehindandusecarewhenbackingupwiththe
machine.
Disengagepowertotherotorbladeswhenmachineis
transportedornotinuse.
Neveroperatethemachinewithoutgoodvisibilityor
light.Alwaysbesureofyourfooting,andkeeparm holdonthehandles.Walk;neverrun.
Nevertouchahotengineormufer(
Figure3
1.Symbolstampedontheexhaustbafeindicatingahot surface.
Figure3).

ToroSnowthrowerSafety

ThefollowinglistcontainssafetyinformationspecictoToro productsorothersafetyinformationthatyoumustknow .
Rotatingrotorbladescaninjurengersorhands.
Staybehindthehandlesandawayfromthedischarge openingwhileoperatingthemachine.Keepyourface,
hands,feet,andanyotherpartofyourbodyor clothingawayfrommovingorrotatingparts.
Beforeadjusting,cleaning,repairing,andinspectingthe
machine,andbeforeuncloggingthedischargechute,stop
theengine,removethekey,andwaitforallmoving partstostop.
Beforeleavingtheoperatingposition,stoptheengine,
removetheignitionkey,andwaitforallmovingpartsto stop.
Ifashield,safetydevice,ordecalisdamaged,illegible,or
lost,repairorreplaceitbeforebeginningoperation.Also, tightenanyloosefasteners.
Donotsmokewhilehandlinggasoline.
Donotusethemachineonaroof.

ClearingaCloggedDischarge Chute

Handcontactwiththerotatingrotorbladesinsidethe dischargechuteisthemostcommoncauseofinjury associatedwithsnowthrowers.Neveruseyourhandtoclean outthedischargechute.
Toclearthechute:
Shuttheengineoff!
Wait10secondstobesuretherotorbladeshavestopped
rotating.
Alwaysuseaclean-outtool,notyourhands.

MaintenanceandStorage

Checkallfastenersatfrequentintervalsforproper
tightnesstobesurethemachineisinsafeworking condition.
Neverstorethemachinewithfuelinthefueltankinsidea
buildingwhereignitionsourcesarepresent,suchashot waterheaters,spaceheaters,orclothesdryers.Allowthe enginetocoolbeforestoringinanyenclosure.
Donottouchtheenginewhileitisrunningorsoonafter
ithasstoppedbecausetheenginemaybehotenoughto causeaburn.
Performonlythosemaintenanceinstructionsdescribedin
thismanual.Beforeperforminganymaintenance,service, oradjustment,stoptheengineandremovethekey .If majorrepairsareeverneeded,contactanAuthorized ServiceDealer.
Donotchangethegovernorsettingsontheengine.
Whenstoringthemachineformorethan30days,drain
thefuelfromthefueltanktopreventapotentialhazard. Storefuelinanapprovedfuelcontainer.Removethekey fromtheignitionswitchbeforestoringthemachine.
PurchaseonlygenuineTororeplacementpartsand
accessories.
AlwaysrefertotheOperator’ sManualforimportantdetails
ifthemachineistobestoredforanextendedperiod.
Maintainorreplacesafetyandinstructionlabels,as
necessary.
Runthemachineafewminutesafterthrowingsnowto
preventfreeze-upoftherotorblades.
3
SafetyandInstructionalDecals
Important:Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamageddecals.
94-2577
1.Toengagetherotorblades,holdthecontrolbaragainst thehandle.
2.Todisengagetherotorblades,releasethecontrolbar.
117-9103(Model38452only)
Orderpartno.117-6046
115-5660
1.Cuttingdismembermenthazards,impellerandauger—do notplaceyourhandinthechute;removetheignitionkey andreadtheinstructionsbeforeservicingorperforming maintenance.
1.Warning—readthe
Operator'sManual.
2.Cutting/dismemberment hazard,impeller—stopthe enginebeforeleavingthe machine.
3.Thrownobject hazard—keepbystanders asafedistancefromthe machine.
4.Fuelspillhazard—donot tipmachinebackward.
5.EngineswitchOn
6.EngineswitchOff
7.Primer
8.Pushtheprimerthree timestoprimetheengine.
9.ReadtheOperator's Manualbeforechecking engineoillevel.
10.Plugthemachineinto powertheelectricstarter.
117-9102(Model38451only)
Orderpartno.117-6036
1.Warning—readthe
Operator'sManual.
2.Cutting/dismemberment hazard,impeller—stopthe enginebeforeleavingthe machine.
3.Thrownobject hazard—keepbystanders asafedistancefromthe machine.
4.Fuelspillhazard—donot tipmachinebackward.
5.EngineswitchOn
6.EngineswitchOff
7.Primer
8.Pushtheprimerthree timestoprimetheengine.
9.ReadtheOperator's Manualbeforechecking engineoillevel.
4
Setup
G016242
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
1
2
Nopartsrequired
Dischargechute1 Chutehandle Phillipsheadbolts3 Washers3 Locknuts3
1

UnfoldingtheHandle

NoPartsRequired
Procedure
1.Loosenthehandleknobs,pulloutthe“U”-shaped handlelocksuntilyoucanmovethehandlefreely,and rotatethehandletotheoperatingposition(Figure4).
Qty.
1
Important:Ensurethatyoudonotpinchorkink thecontrolcable(Figure6).
Unfoldthehandle.
Installthedischargechute.
Figure5
Use
Figure4
1.“U”-shapedhandlelock(2)
2.Inserttheendofthe“U”-shapedhandlelockintothe openholeinthehandleandtightenthehandleknobs untiltheyaresnug(Figure5).
2.Handleknobs
Figure6
1.Controlcable
5
2
3
InstallingtheDischargeChute
Partsneededforthisprocedure:
1Dischargechute
1
Chutehandle
3Phillipsheadbolts
3Washers
3Locknuts
Procedure
Installthedischargechuteasshown(Figure7).

FillingtheEnginewithOil

NoPartsRequired
Procedure
Yourmachinedoesnotcomewithoilintheengine,butit doescomewithabottleofoil.
Important:Beforestartingtheengine,lltheengine withoil.
Note:Thebottleofoilmaycontainanounceortwomore thantheenginerequires.Donotoverllorunderllthe
engine.
Maxll:20oz.(0.6l),type:automotivedetergentoilwithan APIserviceclassicationofSJ,SL,orhigher.
Figure8belowtoselectthebestoilviscosityforthe
Use outdoortemperaturerangeexpected:
Figure7
Figure8
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoilllcap(
Figure9
1.Oilllcap
6
Figure9).
3.Unscrewtheoilllcapandremoveit.
1
2
G016243
4.Withthemachineintheoperatingposition,carefully pouroilintothecrankcase.Wait3minutesfortheoil tosettleandaddenoughtobringittothepointof overow .Thereshouldbeverylittle,ifany,oilleftin thebottle.
Note:Youmaytipthemachineforward(handleup) tomakeaddingoileasier.Remembertoreturnthe machinetotheoperatingpositionbeforecheckingthe oillevel.
Important:Donottipthemachinealltheway forwardontoitsnose,orfuelmayleakoutofthe machine.
5.Screwtheoilllcapintotheoilllholeandtightenit securely.
ProductOverview
Figure10
4

AdjustingtheControlCable

NoPartsRequired
Procedure
RefertoAdjustingtheControlCableinMaintenance.
1.Dischargechute7.Electric-startbutton
2.Dischargechutehandle8.Ignitionkey
3.Fueltankcap
4.Controlbar10.Oildrainplug
5.Recoilstarthandle
6.Primer
(model38452only)
9.Chokelever
11.Oilllcap
Operation
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
DANGER
Gasolineisextremelyammableandexplosive.A reorexplosionfromgasolinecanburnyouand others.
Topreventastaticchargefromignitingthe gasoline,placethecontainerand/ormachine onthegroundbeforelling,notinavehicleor onanobject.
Fillthetankoutdoorswhentheengineiscold. Wipeupspills.
Donothandlegasolinewhensmokingoraround anopenameorsparks.
Storegasolineinanapprovedfuelcontainer,out ofthereachofchildren.
Donottipthemachinebackwardwithfuelin thefueltank;otherwise,fuelmayleakoutof themachine.
7

FillingtheFuelTank

G016259
Forbestresults,useonlyclean,fresh,unleadedgasoline
withanoctaneratingof87orhigher((R+M)/2rating method).
Oxygenatedfuelwithupto10%ethanolor15%MTBE
byvolumeisacceptable.
DoNotuseethanolblendsofgasoline(suchasE15
orE85)withmorethan10%ethanolbyvolume. Performanceproblemsand/orenginedamagemayresult whichmaynotbecoveredunderwarranty.
DoNotusegasolinecontainingmethanol.
DoNotstorefueleitherinthefueltankorfuelcontainers
overthewinterunlessafuelstabilizerisused.
DoNotaddoiltogasoline.
Figure12
1.Oilllcap
3.Unscrewtheoilllcapandremoveit.
4.Iftheoillevelislow,keepthemachineintheoperating positionandcarefullypouroilintothecrankcase untilthepointofoverow .Wait3minutesfortheoil tosettleandaddenoughtobringittothepointof overow .(Max.ll:20oz.(0.6l),type:automotive detergentoilwithanAPIserviceclassicationofSJ, SL,orhigher.)
Figure11
1.1/4inch(6mm)
Note:Forbestresults,purchaseonlythequantityofgasoline thatyouexpecttousein30days.Otherwise,youmayadd fuelstabilizertonewlypurchasedgasolinetokeepitfreshfor upto6months.

CheckingtheEngineOilLevel

ServiceInterval:Beforeeachuseordaily—Checktheengine
oillevelandaddoilifnecessary.
Note:Youmaytipthemachineforward(handleup) tomakeaddingoileasier.Remembertoreturnthe machinetotheoperatingpositionbeforecheckingthe oillevel.
Important:Donottipthemachinealltheway forwardontoitsnose,orfuelmayleakoutofthe machine.
5.Screwtheoilllcapintotheoilllholeandhand tightenitsecurely.

StartingtheEngine

1.TurntheignitionkeyclockwisetotheOnposition (
Figure13).
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoilllcap(Figure12).
Figure13
2.Pulloutthechokelever(Figure14andFigure15).
8
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