Toro Power Clear 621 ZE Snowthrower User manual

Brand: Toro

Model: Power Clear 621 ZE Snowthrower

Category: Snow throwers

Type: User manual

Toro Power Clear 621 ZE Snowthrower is designed for residential use, clearing snow from paved surfaces like driveways and sidewalks. It features a powerful engine for efficient snow removal, an adjustable discharge chute for directing snow, and a control cable for easy operation. The snowthrower also has safety features like a shear bolt to protect the rotor blades from damage and a safety key to prevent unauthorized use.

FormNo.3373-702RevA

PowerClear

621ZR/ZESnowthrower

ModelNo.38453—SerialNo.313000001andUp

ModelNo.38454—SerialNo.313000001andUp

Operator'sManual

Introduction

Thismachineisintendedtobeusedbyresidential

homeowners.Itisdesignedforremovingsnowfrom

pavedsurfaces,suchasdrivewaysandsidewalks,and

othersurfacesfortrafconresidentialorcommercial

properties.Itisnotdesignedforremovingmaterials

otherthansnow,norisitdesignedforclearingoffgravel

surfaces.

Readthisinformationcarefullytolearnhowtooperateand

maintainyourmachineproperlyandtoavoidinjuryand

machinedamage.Youareresponsibleforoperatingthe

machineproperlyandsafely.

YoumaycontactTorodirectlyatwww.Toro.comformachine

andaccessoryinformation,helpndingadealer,ortoregister

yourmachine.

Wheneveryouneedservice,genuineToroparts,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...................................6

ProductOverview..........................................................7

Operation.....................................................................8

FillingtheFuelTank................................................8

CheckingtheEngineOilLevel..................................8

StartingtheEngine..................................................9

EngagingtheRotorBlades.......................................10

DisengagingtheRotorBlades..................................11

StoppingtheEngine...............................................11

AdjustingtheDischargeChuteandChute

Deector...........................................................11

ClearingaCloggedDischargeChute.........................11

PreventingFreeze-upafterUse.................................12

OperatingTips......................................................12

Maintenance.................................................................13

RecommendedMaintenanceSchedule(s)......................13

AdjustingtheControlCable.....................................13

InspectingtheRotorBlades.....................................14

8111LyndaleAvenueSouth

Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

*3373-702*A

ChangingtheEngineOil.........................................14

ServicingtheSparkPlug..........................................15

ReplacingtheDriveBelt..........................................17

Storage........................................................................18

StoringtheSnowthrower.........................................18

Safety

Readandunderstandthecontentsofthismanualbefore

youstarttheengine.

Thesafetyalertsymbolshownin

Figure2isusedto

alertyoutopotentialpersonalinjuryhazards.Obeyall

safetymessagesthatfollowthissymboltoavoidpossible

injuryordeath.

Improperlyusingormaintainingthismachinecould

resultininjuryordeath.Toreducethispotential,

complywiththefollowingsafetyinstructions.

Thismachineiscapableofamputatinghandsandfeet

andofthrowingobjects.Failuretoobservethefollowing

safetyinstructionscouldresultinseriousinjury.

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.Wearfootwearthatwillimprove

footingonslipperysurfaces.

•Handlefuelwithcare;itishighlyammable.

–Useanapprovedfuelcontainer.

–Neveraddfueltoarunningengineorhotengine.

–Fillfueltankoutdoorswithextremecare.Neverll

fueltankindoors.

–Neverllcontainersinsideavehicleoronatruckor

trailerbedwithaplasticliner.Alwaysplacecontainers

ontheground,awayfromyourvehicle,beforelling.

–Whenpractical,removegas-poweredmachineryfrom

thetruckortrailerandrefuelitontheground.If

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.

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.

•Donotoverloadthemachinecapacitybyattemptingto

clearsnowattoofastarate.

•Lookbehindandusecarewhenbackingupwiththe

machine.

•Disengagepowertotherotorbladeswhenmachineis

transportedornotinuse.

•Neveroperatethemachinewithoutgoodvisibilityor

light.Alwaysbesureofyourfooting,andkeeparm

holdonthehandles.Walk;neverrun.

•Nevertouchahotengineormufer(

Figure3).

Figure3

1.Symbolstampedontheexhaustbafeindicatingahot

surface.

ClearingaCloggedDischarge

Chute

WARNING

Handcontactwiththerotatingrotorbladesinside

thedischargechuteisthemostcommoncauseof

injuryassociatedwithmachines.Neveruseyour

handtocleanoutthedischargechute.

Toclearthechute:

•Shuttheengineoff!

•Wait10secondstobesuretherotorbladeshavestopped

rotating.

•Alwaysuseacleanouttool,notyourhands.

MaintenanceandStorage

•Checkallfastenersatfrequentintervalsforproper

tightnesstobesurethemachineisinsafeworking

condition.

•Neverstorethemachinewithfuelinthefueltankinsidea

buildingwhereignitionsourcesarepresent,suchashot

waterheaters,spaceheaters,orclothesdryers.Allowthe

enginetocoolbeforestoringinanyenclosure.

•AlwaysrefertotheOperator’sManualforimportantdetails

ifthemachineistobestoredforanextendedperiod.

•Maintainorreplacesafetyandinstructionlabels,as

necessary.

•Runthemachineafewminutesafterthrowingsnowto

preventfreeze-upoftherotorblades.

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.

•Donottouchtheenginewhileitisrunningorsoonafter

ithasstoppedbecausetheenginemaybehotenoughto

causeaburn.

•Performonlythosemaintenanceinstructionsdescribedin

thismanual.Beforeperforminganymaintenance,service,

oradjustment,stoptheengineandremovethekey.If

majorrepairsareeverneeded,contactanAuthorized

ServiceDealer.

•Donotchangethegovernorsettingsontheengine.

•Whenstoringthemachineformorethan30days,drain

thefuelfromthefueltanktopreventapotentialhazard.

Storefuelinanapprovedfuelcontainer.Removethekey

fromtheignitionswitchbeforestoringthemachine.

•PurchaseonlygenuineTororeplacementpartsand

accessories.

SafetyandInstructionalDecals

Important:Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamageddecals.

94-2577

1.Toengagetherotorblades,holdthecontrolbaragainst

thehandle.

2.Todisengagetherotorblades,releasethecontrolbar.

115-5698

Orderpartno.117-9121

1.Cuttingdismembermenthazards,impellerandauger—do

notplaceyourhandinthechute;removetheignitionkey

andreadtheinstructionsbeforeservicingorperforming

maintenance.

117-9102(Model38453only)

Orderpartno.117-6036

1.Warning—readthe

Operator'sManual.

6.EngineswitchOff

2.Cutting/dismemberment

hazard,impeller—stopthe

enginebeforeleavingthe

machine.

7.Primer

3.Thrownobject

hazard—keepbystanders

asafedistancefromthe

machine.

8.Pushtheprimerthree

timestoprimetheengine.

4.Fuelspillhazard—donot

tipmachinebackward.

9.ReadtheOperator's

Manualbeforechecking

engineoillevel.

5.EngineswitchOn

117-9103(Model38454only)

Orderpartno.117-6046

1.Warning—readthe

Operator'sManual.

6.EngineswitchOff

2.Cutting/dismemberment

hazard,impeller—stopthe

enginebeforeleavingthe

machine.

7.Primer

3.Thrownobject

hazard—keepbystanders

asafedistancefromthe

machine.

8.Pushtheprimerthree

timestoprimetheengine.

4.Fuelspillhazard—donot

tipmachinebackward.

9.ReadtheOperator's

Manualbeforechecking

engineoillevel.

5.EngineswitchOn

10.Plugthemachineinto

powertheelectricstarter.

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Nopartsrequired

–

Unfoldthehandle.

Screws

Chuteassembly

Dischargechutehandle1

Installthedischargechute.

UnfoldingtheHandle

NoPartsRequired

Procedure

1.Loosenthehandleknobs,pulloutthe“U”-shaped

handlelocksuntilyoucanmovethehandlefreely,and

rotatethehandletotheoperatingposition(

Figure4).

Figure4

1.“U”-shapedhandlelock(2)

2.Handleknobs

2.Inserttheendofthe“U”-shapedhandlelockintothe

openholeinthehandleandtightenthehandleknobs

untiltheyaresnug(Figure5).

Figure5

Important:Ensurethatyoudonotpinchorkink

thecontrolcable(Figure6).

Figure6

1.Controlcable

InstallingtheDischargeChute

Partsneededforthisprocedure:

Screws

Chuteassembly

1Dischargechutehandle

Procedure

Installthedischargechuteasshown(Figure7).

Figure7

1.Dischargechutehandle3.Dischargechute

2.Screw(3)

Note:Foreasierinstallation,useasmallratchetwrenchto

tightenthescrews.

Important:Donotovertightenthescrews;otherwise

youmaydamagethedischargechuteandpreventit

fromturningfreely.

FillingtheEnginewithOil

NoPartsRequired

Procedure

Yourmachinedoesnotcomewithoilintheengine,butit

doescomewithabottleofoil.

Important:Beforestartingtheengine,lltheengine

withoil.

Note:Thebottleofoilmaycontainmorethanisrequired.

Donotoverllorunderlltheengine.

Maxll:20oz.(0.6l),type:automotivedetergentoilwithan

APIserviceclassicationofSJ,SL,orhigher.

UseFigure8belowtoselectthebestoilviscosityforthe

outdoortemperaturerangeexpected:

Figure8

1.Movethemachinetoalevelsurface.

2.Cleanaroundtheoilllcap(

Figure9).

Figure9

1.Oilllcap

3.Unscrewtheoilllcapandremoveit.

4.Withthemachineintheoperatingposition,carefully

pouroilintothecrankcaseuntilthepointofoverow .

Note:Youmaytipthemachineforward(handleup)

tomakeaddingoileasier.Remembertoreturnthe

machinetotheoperatingpositionbeforecheckingthe

oillevel.

Important:Donottipthemachinealltheway

forwardontoitsnose,orfuelmayleakoutofthe

machine.

5.Wait3minutesfortheoiltosettleandaddenoughto

bringittothepointofoverow.

6.Screwtheoilllcapintotheoilllholeandtightenit

securely.

AdjustingtheControlCable

NoPartsRequired

Procedure

RefertoAdjustingtheControlCableinMaintenance.

ProductOverview

Figure10

1.Chutedeectortrigger

8.Electric-startbutton

(model38454only)

2.Dischargechute9.Ignitionkey

3.Dischargechutehandle

10.Chokelever

4.Fueltankcap

11.Oildrainplug

5.Controlbar12.Oilllcap

6.Recoilstarthandle

13.Chutedeector

7.Primer

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.

FillingtheFuelTank

•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.

Figure11

1.1/4inch(6mm)

Note:Forbestresults,purchaseonlythequantityofgasoline

thatyouexpecttousein30days.Otherwise,youmayadd

fuelstabilizertonewlypurchasedgasolinetokeepitfreshfor

upto6months.

CheckingtheEngineOilLevel

ServiceInterval:Beforeeachuseordaily—Checktheengine

oillevelandaddoilifnecessary.

1.Movethemachinetoalevelsurface.

2.Cleanaroundtheoilllcap(

Figure12).

Figure12

1.Oilllcap

3.Unscrewtheoilllcapandremoveit.

4.Iftheoillevelislow,keepthemachineintheoperating

positionandcarefullypouroilintothecrankcase

untilthepointofoverow .Wait3minutesforthe

oiltosettleandaddenoughtobringittothepoint

ofoverow .(Max.ll:20oz.(0.6l),type:SAE30

detergentoilwithanAPIserviceclassicationofSJ,

SL,orhigher.)

Note:Youmaytipthemachineforward(handleup)

tomakeaddingoileasier.Remembertoreturnthe

machinetotheoperatingpositionbeforecheckingthe

oillevel.

Important:Donottipthemachinealltheway

forwardontoitsnose,orfuelmayleakoutofthe

machine.

5.Screwtheoilllcapintotheoilllholeandhand

tightenitsecurely.

StartingtheEngine

1.TurntheignitionkeyclockwisetotheOnposition

(Figure13).

Figure13

2.Pulloutthechokelever(Figure14andFigure15).

Figure14

1.Chokelever

Figure15

1.Symbolsonthechokeleverindicatingtomovethechoke

levertotherighttoactivatethechoke.

3.Firmlypushintheprimerwithyourthumbasindicated

bythechartbelow,holdingintheprimerforasecond

beforereleasingiteachtime(Figure16).

Numberofprimes

Temperature

0°F(-18°C)orabove

Below0°F(-18°C)

Figure16

Note:Removeyourglovewhenyoupushinthe

primersothataircannotescapefromtheprimerhole.

Important:Donotusetheprimerorthechokeif

theenginehasbeenrunningandishot.Excessive

primingmayoodtheengineandpreventitfrom

starting.

4.Connectanextensioncordtoapowersourceandthe

machine,andpushtheelectric-startbutton(model

38454only)(Figure17),orpulltherecoilstarthandle

(

Figure18).

Figure17

Note:UseonlyaUL-listed,16-gaugeextensioncord

recommendedforoutdoorusethatisnotlongerthan

50feet(15m).

WARNING

Theelectricalcordcanbecomedamaged,

causingashockorre.

Thoroughlyinspecttheelectricalcordbefore

pluggingitintoapowersource.Ifthe

cordisdamaged,donotuseittostartthe

machine.Replaceorrepairthedamagedcord

immediately.ContactanAuthorizedService

Dealerforassistance.

Figure18

Important:Runtheelectricstarternomore

than10timesatintervalsof5secondson,then

5secondsoff.Runningtheelectricstarter

extensivelycanoverheatanddamageit.Ifthe

enginedoesnotstartafterthisseriesofattempts,

waitatleast40minutestoallowthestartertocool

beforeattemptingtostartitagain.Iftheengine

doesnotstartafterthesecondseriesofattempts,

takethemachinetoanAuthorizedServiceDealer

forservice(model38454only).

Note:Ifyoupulltherecoilhandleandfeelno

resistance,thestartermaybefrozen.Thawoutthe

starterbeforeattemptingtostartthemachine.

5.Whiletheengineisrunning,pushinthechokelever

slowly.

6.Unplugtheextensioncordfromthepowersourceand

themachine(model38454only).

CAUTION

Ifyouleavethemachinepluggedintoapower

source,someonecaninadvertentlystartthe

machineandinjurepeopleordamageproperty

(model38454only).

Unplugthepowercordwheneveryouarenot

startingthemachine.

EngagingtheRotorBlades

Toengagetherotorblades,holdthecontrolbaragainstthe

handle(Figure19).

Figure19

1.Controlbar

DisengagingtheRotorBlades

Todisengagetherotorblades,releasethecontrolbar(Figure

20).

Figure20

StoppingtheEngine

Tostoptheengine,turntheignitionkeycounterclockwiseto

theOffposition(Figure21).

Figure21

AdjustingtheDischargeChute

andChuteDeector

Toadjustthedischargechute,movethechutehandleas

shown(

Figure22).

Figure22

Toraiseorlowertheangleofthechutedeector,pressthe

triggeronthechutedeectorandmovethechutedeector

upordown(Figure23).

Figure23

1.Chutedeectortrigger2.Chutedeector

ClearingaCloggedDischarge

Chute

WARNING

Handcontactwiththerotatingrotorbladesinside

thedischargechuteisthemostcommoncauseof

injuryassociatedwithmachines.Neveruseyour

handtocleanoutthedischargechute.

Toclearthechute:

•Shuttheengineoff!

•Wait10secondstobesuretherotorbladeshavestopped

rotating.

•Alwaysuseacleanouttool,notyourhands.

PreventingFreeze-upafterUse

•Lettheenginerunforafewminutestopreventmoving

partsfromfreezing.Stoptheengine,waitforallmoving

partstostop,andremoveiceandsnowfromthemachine.

•Cleanoffanysnowandicefromthebaseofthechute.

•Rotatethedischargechuteleftandrighttofreeitfrom

anyicebuildup.

•WiththeignitionkeyintheOffposition,pulltherecoil

starterhandleseveraltimesorconnecttheelectricalcord

toapowersourceandthemachineandpushtheelectric

startbuttononce(model38454only)topreventtherecoil

starterand/ortheelectricstarterfromfreezingup.

•Insnowyandcoldconditions,somecontrolsandmoving

partsmayfreeze.Donotuseexcessiveforcewhen

tryingtooperatefrozencontrols.Ifyouhavedifculty

operatinganycontrolorpart,starttheengineandletit

runforafewminutes.

g019056

Figure24

OperatingTips

WARNING

Therotorbladescanthrowstones,toys,andother

foreignobjectsandcauseseriouspersonalinjuryto

theoperatorortobystanders.

•Keeptheareatobeclearedfreeofallobjects

thattherotorbladescouldpickupandthrow.

•Keepallchildrenandpetsawayfromthearea

ofoperation.

•Removethesnowassoonaspossibleafteritfalls.

•Ifthemachinedoesnotpropelitselfforwardonslippery

surfacesorinheavysnow ,pushforwardonthehandle,

butallowthemachinetoworkatitsownpace.

•Overlapeachswathtoensurecompletesnowremoval.

•Dischargethesnowdownwindwheneverpossible.

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

MaintenanceProcedure

Afterthersthour

•Checkthecontrolcableandadjustitifnecessary.

•Checkforloosefastenersandtightenthemifnecessary.

Aftertherst2hours

•Changetheengineoil.

Beforeeachuseordaily

•Checktheengineoillevelandaddoilifnecessary.

Yearly

•Checkthecontrolcableandadjustitifnecessary.

•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor

bladesandscraperifnecessary.

•Changetheengineoil.

•Servicethesparkplugandreplaceitifnecessary.

•Checkforloosefastenersandtightenthemifnecessary.

•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.

Yearlyorbeforestorage

•Preparethemachineforstorage.

AdjustingtheControlCable

CheckingtheControlCable

ServiceInterval:Afterthersthour—Checkthecontrol

cableandadjustitifnecessary.

Yearly—Checkthecontrolcableandadjustitif

necessary.

Movethecontrolbarbacktowardthehandletoremovethe

slackinthecontrolcable(

Figure25).

Figure25

1.Controlbar2.1/16-inchto1/8-inch(2

mmto3mm)gap

Note:Ensurethata1/16-inchto1/8-inch(2mmto3mm)

gapexistsbetweenthecontrolbarandthehandle(

Figure25).

Important:Thecontrolcablemustcontainsomeslack

whenyoudisengagethecontrolbarfortherotorblades

tostopproperly.

AdjustingtheControlCable

1.Slideupthespringcoverandunhookthespringfrom

theadjusterlink(Figure26).

Figure26

1.Adjusterlink

3.Springcover

2.Z-tting

4.Unhookthespringhere.

Note:Youcanpulluptheadjusterlinkandcableto

makeunhookingthespringeasier.

2.MovetheZ-ttingtoahigherorlowerholeonthe

adjusterlinkasneededtoobtainthe1/16-inchto

1/8-inch(2mmto3mm)gapbetweenthecontrolbar

andthehandle(Figure25).

Note:MovingtheZ-ttinghigherdecreasesthegap

betweenthecontrolbarandthehandle;movingit

lowerincreasesthegap.

3.Hookthespringtotheadjusterlinkandslidethespring

coverovertheadjusterlink.

4.Checktheadjustment;refertoCheckingtheControl

Cable.

Note:Afterextendeduse,thedrivebeltmaywear

andloseitsproperbelttension.Ifthedrivebeltslips

(continuouslysqueals)underaheavyload,disconnect

thespringfromtheadjustorlinkandmovetheupper

endofthespringtotheholethatisfurtherfrom

thepivotpointinthecontrolbar(Figure27).Then

connectthespringtotheadjustorlinkandadjustthe

controlcable.

Figure27

1.Removetheupperendof

springfromthishole

3.Pivotpoint

2.Inserttheupperendof

springintothishole

4.Upperendofspring

Note:Thebeltmayslip(squeal)inwetconditions;

todryoutthedrivesystem,starttherotorandrunit

withoutaloadfor30seconds.

InspectingtheRotorBlades

ServiceInterval:Yearly—Inspecttherotorbladesandhave

anAuthorizedServiceDealerreplacethe

rotorbladesandscraperifnecessary.

Beforeeachsession,inspecttherotorbladesforwear.When

arotorbladeedgehasworndowntothewearindicatorhole,

haveanAuthorizedServiceDealerreplacetherotorblades

andthescraper(

Figure28).

Figure28

1.Thewearindicatorholeis

intact;youdonotneedto

replacetherotorblades.

2.Thewearindicatorholeis

exposed;replacetherotor

blades.

ChangingtheEngineOil

ServiceInterval:Aftertherst2hours

Yearly

Runtheengineafewminutesbeforechangingtheoiltowarm

it.Warmoilowsbetterandcarriesmorecontaminants.

1.Siphonthefuelfromthefueltankintoanapproved

fuelcontainer,orruntheengineuntilitstops.

2.Movethemachinetoalevelsurface.

3.Placeanoildrainpanundertheoildrainplug,remove

theoildrainplug,andtipthemachinebackwardand

draintheusedoilintheoildrainpanFigure29).

Figure29

4.Afterdrainingtheusedoil,returnthemachinetothe

operatingposition.

5.Installtheoildrainplugandtightenitsecurely.

6.Cleanaroundtheoilllcap(

Figure30).

Figure30

1.Oilllcap

7.Unscrewtheoilllcapandremoveit(Figure30).

8.Withthemachineintheoperatingposition,carefully

pouroilintotheoilllholetothepointofoverow

(Figure32).

Note:Youmaytipthemachineforward(handleup)

tomakeaddingoileasier.Remembertoreturnthe

machinetotheoperatingpositionbeforecheckingthe

oillevel.

Important:Donottipthemachinealltheway

forwardontoitsnose,orfuelmayleakoutofthe

machine.

Maxll:20oz.(0.6l),type:automotivedetergentoil

withanAPIserviceclassicationofSJ,SL,orhigher.

UseFigure31belowtoselectthebestoilviscosityfor

theoutdoortemperaturerangeexpected:

Figure31

Figure32

9.Wait3minutesfortheoiltosettleandaddenoughto

bringittothepointofoverow.

10.Screwtheoilllcapintotheoilllhole,andhand

tightenitsecurely.

11.Wipeupanyspilledoil.

12.Disposeoftheusedoilproperlyatalocalrecycling

center.

ServicingtheSparkPlug

ServiceInterval:Yearly—Servicethesparkplugandreplace

itifnecessary.

UseaNGKBPR6ESorChampionRN9YCsparkplug

orequivalent.

1.Stoptheengineandwaitforallmovingpartstostop.

2.Rotatethedischargechutesothatitfacesforward.

3.Removethedischargechute,thedischargechute

handle,andthechutesealbyremovingthe3large

screwsandonesmallscrew(Figure33).

Figure33

1.Largescrews(3)4.Smallscrew

2.Dischargechutehandle

5.Chuteseal

3.Dischargechute

4.Removethe4screwsthatsecuretheshroud(Figure34).

Figure34

1.Screw(4)3.Sparkplug

2.Shroud4.Spark-plugwire

5.Removethefueltankcap.

6.Removetheshroud(

Figure34).

7.Installthefueltankcap.

8.Disconnectthewirefromthesparkplug.

9.Cleanaroundthesparkplug.

10.Removethesparkplugfromthecylinderhead.

Important:Replaceacracked,fouled,ordirty

sparkplug.Donotcleantheelectrodesbecause

gritenteringthecylindercandamagetheengine.

11.Setthegapontheplugto0.030inch(0.76mm)(

Figure

35).

Figure35

1.Centerelectrodeinsulator3.Airgap(nottoscale)

2.Sideelectrode

12.Installthesparkplugandtorqueitto20–22ft-lb

(27–30N-m).

13.Connectthewiretothesparkplug.

Note:Ensurethatthebreathertubeisroutedabove

thesparkplugwireasshowninFigure36.

Figure36

1.Breathertube

2.Carburetordrainbolt

14.Removethefueltankcap.

15.Installtheshroudwiththescrewsyouremovedinstep

Note:Ensurethattheupperandlowershroudst

togetherinthesidegrooves.

16.Installthefueltankcap.

17.Installthechuteseal,thedischargechute,andthe

dischargechutehandleontothemachineusingthe

hardwareyouremovedinstep3.

Note:Thesmallscrewgoesthroughthesmallhole

inthechutesealatthefrontofthedischargechute

opening.

ReplacingtheDriveBelt

Ifdrivebeltbecomesworn,oil-soaked,excessivelycracked,

frayed,orotherwisedamaged,replacethebelt.

1.Removethedrivebeltcoverbyremovingthe3boltsas

showninFigure37.

Figure37

1.Drivebeltcover6.Drivebelt

2.Bolt(3)7.Rotorshaft

3.Rotorpulleybolt

8.Brakespring(unhookfrom

idlerarmhere)

4.Curvedwasher

9.Idlerpulley

5.Rotorpulley10.Enginepulley

2.Unhookthebrakespringfromtheidlerarmtorelease

thebelttension(Figure37).

3.Removethescrewandcurvedwasherthatholdsthe

rotorpulley(Figure37).

4.Removetherotorpulleyandthedrivebelt(

Figure37).

5.Installthenewdrivebelt,routingitasshownin(

Figure

38).

Figure38

1.Brakespring(installon

idlerarmhere)

3.Enginepulley

2.Idlerpulley4.Rotorpulley

Note:Routethenewdrivebeltrstaroundtheengine

pulley,thentheidlerpulley,andnallyaroundthe

looserotorpulleypositionedjustabovetherotorshaft

(Figure37).

6.Installtherotorpulleyontotherotorshaft(Figure37).

7.Installthecurvedwasherandtherotorpulleyboltand

tightenthemsecurely(Figure37).

Note:Theconcavesideofthecurvedwashergoes

againsttheoutsideofthepulley.

8.Installthebrakespringontotheidlerarm(Figure38).

9.Installthedrivebeltcoverwiththeboltsyouremoved

instep

Note:Ensurethatthedrivebeltisproperlyadjusted

andoperating;refertoCheckingtheControlCableand

AdjustingtheControlCable.

Storage

StoringtheSnowthrower

WARNING

•Gasolinefumesarehighlyammable,explosive,

anddangerousifinhaled.Ifyoustorethe

machineinanareawithanopename,the

gasolinefumesmayigniteandcausean

explosion.

•Donotstorethemachineinahouse(living

area),basement,oranyotherareawhereignition

sourcesmaybepresent,suchashotwaterand

spaceheaters,clothesdryers,furnaces,and

otherlikeappliances.

•Donottipthemachinebackwardwithfuelin

thefueltank;otherwise,fuelmayleakoutof

themachine.

1.Onthelastrefuelingoftheseason,addfuelstabilizer

tofreshfuelasdirectedbytheenginemanufacturer.

2.Runtheenginefor10minutestodistributethe

conditionedfuelthroughthefuelsystem.

3.Stoptheengine,allowittocool,andsiphonthefuel

tankorruntheengineuntilitstops.

4.Starttheengineandrunituntilitstops.

5.Chokeorprimetheengine,startitathirdtime,and

runtheengineuntilitwillnotstart.

6.Drainthefuelinthecarburetorthroughthecarburetor

drainbolt(Figure36)intoanapprovedgasoline

container.

7.Disposeofunusedfuelproperly.Recycleitaccording

tolocalcodes,oruseitinyourautomobile.

8.Whiletheengineisstillwarm,changetheengineoil.

RefertoChangingtheEngineOil.

9.Removethesparkplug.

10.Squirt2teaspoonsofoilintothesparkplughole.

11.Installthesparkplugbyhandandthentorqueitto

20–22ft-lb(27–30N-m).

12.WiththeignitionkeyintheOffposition,pulltherecoil

starterslowlytodistributetheoilontheinsideofthe

cylinder.

13.Cleanthemachine.

14.Touchupchippedsurfaceswithpaintavailablefroman

AuthorizedServiceDealer.Sandaffectedareasbefore

painting,andusearustpreventativetopreventthe

metalpartsfromrusting.

15.Tightenanyloosefasteners.Repairorreplaceany

damagedparts.

16.Coverthemachineandstoreitinaclean,dryplace

outofthereachofchildren.Allowtheenginetocool

beforestoringitinanyenclosure.

Notes:

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Toro Power Clear 621 ZE Snowthrower User manual

Brand: Toro

Model: Power Clear 621 ZE Snowthrower

Category: Snow throwers

Type: User manual

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Toro Power Clear 621 ZE Snowthrower User manual

Toro Power Clear 621 ZE Snowthrower User manual

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