Toro Power Clear 621 ZE Snowthrower User manual

Toro
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.

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
©2012—TheToro®Company
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.
2
•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.
3
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.
4
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
1
Nopartsrequired
–
Unfoldthehandle.
Screws
3
Chuteassembly
1
2
Dischargechutehandle1
Installthedischargechute.
1
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
5
2
InstallingtheDischargeChute
Partsneededforthisprocedure:
3
Screws
1
Chuteassembly
1Dischargechutehandle
Procedure
Installthedischargechuteasshown(Figure7).
Figure7
1.Dischargechutehandle3.Dischargechute
2.Screw(3)
Note:Foreasierinstallation,useasmallratchetwrenchto
tightenthescrews.
Important:Donotovertightenthescrews;otherwise
youmaydamagethedischargechuteandpreventit
fromturningfreely.
3
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.
6
4
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
7
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.)
8
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
3
0°F(-18°C)orabove
6
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).
9
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
10
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.
11
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.
12
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).
13
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).
14
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).
15
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
4.
Note:Ensurethattheupperandlowershroudst
togetherinthesidegrooves.
16.Installthefueltankcap.
17.Installthechuteseal,thedischargechute,andthe
dischargechutehandleontothemachineusingthe
hardwareyouremovedinstep3.
16
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
1.
Note:Ensurethatthedrivebeltisproperlyadjusted
andoperating;refertoCheckingtheControlCableand
AdjustingtheControlCable.
17
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.
18
Notes:
19
Notes:
20
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Toro Power Clear 621 ZE Snowthrower User manual

Toro
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.

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