Toro Power Clear 621 QZR Snowthrower User manual

Toro
Brand
Toro
Model
Power Clear 621 QZR Snowthrower
Category
Snow throwers
Type
User manual

This manual is also suitable for

Toro Power Clear 621 QZR Snowthrower is a residential snowthrower designed for removing snow from paved surfaces. It features a powerful engine and a durable auger system that can handle even the heaviest snowfalls. The snowthrower also has a variety of features that make it easy and convenient to use, including a self-propelled drive system, a heated handgrip, and a adjustable discharge chute.

Here are some of the key features and capabilities of the Toro Power Clear 621 QZR Snowthrower:

  • Electric start for easy starting in cold weather
  • Self-propelled drive system for easy maneuverability

Toro Power Clear 621 QZR Snowthrower is a residential snowthrower designed for removing snow from paved surfaces. It features a powerful engine and a durable auger system that can handle even the heaviest snowfalls. The snowthrower also has a variety of features that make it easy and convenient to use, including a self-propelled drive system, a heated handgrip, and a adjustable discharge chute.

Here are some of the key features and capabilities of the Toro Power Clear 621 QZR Snowthrower:

  • Electric start for easy starting in cold weather
  • Self-propelled drive system for easy maneuverability
FormNo.3369-499RevC
PowerClear621QZR/QZESnowthrower
ModelNo.38458—SerialNo.312000001andUp
ModelNo.38459—SerialNo.312000001andUp
Operator'sManual
Introduction
Thismachineisintendedtobeusedbyresidential
homeowners.Itisdesignedforremovingsnowfrom
pavedsurfaces,suchasdrivewaysandsidewalks,
andothersurfacesfortrafconresidentialor
commercialproperties.Itisnotdesignedfor
removingmaterialsotherthansnow,norisit
designedforclearingoffgravelsurfaces.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourmachineproperlyandtoavoidinjury
andmachinedamage.Youareresponsibleforoperating
themachineproperlyandsafely.
YoumaycontactTorodirectlyatwww.Toro.comfor
machineandaccessoryinformation,helpndinga
dealer,ortoregisteryourmachine.
Wheneveryouneedservice,genuineToroparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorToroCustomerServiceandhave
themodelandserialnumbersofyourmachineready.
Figure1identiesthelocationofthemodelandserial
numbersonthemachine.Writethenumbersinthe
spaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjury
ordeathifyoudonotfollowtherecommended
precautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Safety
Readandunderstandthecontentsofthismanual
beforeyoustarttheengine.
Thesafetyalertsymbolshownin
Figure2isusedto
alertyoutopotentialpersonalinjuryhazards.Obey
allsafetymessagesthatfollowthissymboltoavoid
possibleinjuryordeath.
Improperlyusingormaintainingthismachine
couldresultininjuryordeath.Toreducethis
potential,complywiththefollowingsafety
instructions.
Thismachineiscapableofamputatinghandsand
feetandofthrowingobjects.Failuretoobservethe
followingsafetyinstructionscouldresultinserious
injury.
Training
•Read,understand,andfollowallinstructionsonthe
machineandinthemanual(s)beforeoperatingthis
©2011—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
machine.Bethoroughlyfamiliarwiththecontrols
andtheproperuseofthemachine.Knowhowto
stopthemachineanddisengagethecontrolsquickly.
•Neverallowchildrentooperatethemachine.Never
allowadultstooperatethemachinewithoutproper
instruction.
•Keeptheareaofoperationclearofallpersons,
particularlysmallchildren.
•Exercisecautiontoavoidslippingorfalling.
Preparation
•Thoroughlyinspecttheareawherethemachineis
tobeusedandremovealldoormats,sleds,boards,
wires,andotherforeignobjects.
•Donotoperatethemachinewithoutwearing
adequatewintergarments.Avoidloosetting
clothingthatcangetcaughtinmovingparts.Wear
footwearthatwillimprovefootingonslippery
surfaces.
•Handlefuelwithcare;itishighlyammable.
–Useanapprovedfuelcontainer.
–Neveraddfueltoarunningengineorhotengine.
–Fillfueltankoutdoorswithextremecare.Never
llfueltankindoors.
–Neverllcontainersinsideavehicleorona
truckortrailerbedwithaplasticliner.Always
placecontainersontheground,awayfromyour
vehicle,beforelling.
–Whenpractical,removegas-poweredmachinery
fromthetruckortrailerandrefuelitonthe
ground.Ifthisisnotpossible,thenrefuelsuch
machineryonatrailerwithaportablecontainer,
ratherthanfromagasolinedispensernozzle.
–Keepthenozzleincontactwiththerimofthe
fueltankorcontaineropeningatalltimes,until
refuelingiscomplete.Donotuseanozzle
lock-opendevice.
–Replacegasolinecapsecurelyandwipeupspilled
fuel.
–Iffuelisspilledonclothing,changeclothing
immediately.
•Useextensioncordsandreceptaclesasspecied
bythemanufacturerforallmachineswithelectric
startingmotors.
•Donotattempttoclearsnowfromagravelor
crushedrocksurface.Thismachineisintendedfor
useonlyonpavedsurfaces.
•Neverattempttomakeanyadjustmentswhile
theengineisrunning(exceptwhenspecically
recommendedbymanufacturer).
•Alwayswearsafetyglassesoreyeshieldsduring
operationorwhileperforminganadjustmentor
repairtoprotecteyesfromforeignobjectsthatmay
bethrownfromthemachine.
Operation
•Donotputhandsorfeetnearorunderrotatingparts.
Keepclearofthedischargeopeningatalltimes.
•Exerciseextremecautionwhenoperatingonor
crossinggraveldrives,walks,orroads.Stayalertfor
hiddenhazardsortrafc.
•Afterstrikingaforeignobject,stoptheengine,
removetheignitionkey,thoroughlyinspectthe
machineforanydamage,andrepairthedamage
beforerestartingandoperatingthemachine.
•Ifthemachineshouldstarttovibrateabnormally,
stoptheengineandcheckimmediatelyforthecause.
Vibrationisgenerallyawarningoftrouble.
•Stoptheenginewheneveryouleavetheoperating
position,beforeuncloggingtherotorbladehousing
ordischargechute,andwhenmakinganyrepairs,
adjustmentsorinspections.
•Whencleaning,repairing,orinspectingthemachine,
stoptheengineandmakecertainthattherotor
bladesandallmovingpartshavestopped.
•Donotruntheengineindoors,exceptwhenstarting
theengineandfortransportingthemachineinor
outofthebuilding.Opentheoutsidedoors;exhaust
fumesaredangerous.
•Exerciseextremecautionwhenoperatingonslopes.
•Neveroperatethemachinewithoutproperguards
andothersafetyprotectivedevicesinplaceand
working.
•Neverdirectthedischargetowardpeopleorareas
wherepropertydamagecanoccur.Keepchildren
andothersaway.
•Donotoverloadthemachinecapacitybyattempting
toclearsnowattoofastarate.
•Lookbehindandusecarewhenbackingupwiththe
machine.
•Disengagepowertotherotorbladeswhenmachine
istransportedornotinuse.
•Neveroperatethemachinewithoutgoodvisibility
orlight.Alwaysbesureofyourfooting,andkeepa
rmholdonthehandles.Walk;neverrun.
•Nevertouchahotengineormufer(
Figure3).
2
Figure3
1.Symbolstampedontheexhaustbafeindicatingahot
surface.
ClearingaCloggedDischarge
Chute
Handcontactwiththerotatingrotorbladesinsidethe
dischargechuteisthemostcommoncauseofinjury
associatedwithsnowthrowers.Neveruseyourhandto
cleanoutthedischargechute.
Toclearthechute:
•Shuttheengineoff!
•Wait10secondstobesuretherotorbladeshave
stoppedrotating.
•Alwaysuseaclean-outtool,notyourhands.
MaintenanceandStorage
•Checkallfastenersatfrequentintervalsforproper
tightnesstobesurethemachineisinsafeworking
condition.
•Neverstorethemachinewithfuelinthefueltank
insideabuildingwhereignitionsourcesarepresent,
suchashotwaterheaters,spaceheaters,orclothes
dryers.Allowtheenginetocoolbeforestoringin
anyenclosure.
•AlwaysrefertotheOperator’sManualforimportant
detailsifthemachineistobestoredforanextended
period.
•Maintainorreplacesafetyandinstructionlabels,as
necessary.
•Runthemachineafewminutesafterthrowingsnow
topreventfreeze-upoftherotorblades.
ToroSnowthrowerSafety
Thefollowinglistcontainssafetyinformationspecic
toToroproductsorothersafetyinformationthatyou
mustknow .
•Rotatingrotorbladescaninjurengersor
hands.Staybehindthehandlesandawayfrom
thedischargeopeningwhileoperatingthemachine.
Keepyourface,hands,feet,andanyotherpart
ofyourbodyorclothingawayfrommovingor
rotatingparts.
•Beforeadjusting,cleaning,repairing,andinspecting
themachine,andbeforeuncloggingthedischarge
chute,stoptheengine,removethekey,andwait
forallmovingpartstostop.
•Beforeleavingtheoperatingposition,stopthe
engine,removetheignitionkey,andwaitforall
movingpartstostop.
•Ifashield,safetydevice,ordecalisdamaged,
illegible,orlost,repairorreplaceitbeforebeginning
operation.Also,tightenanyloosefasteners.
•Donotsmokewhilehandlinggasoline.
•Donotusethemachineonaroof.
•Donottouchtheenginewhileitisrunningorsoon
afterithasstoppedbecausetheenginemaybehot
enoughtocauseaburn.
•Performonlythosemaintenanceinstructions
describedinthismanual.Beforeperformingany
maintenance,service,oradjustment,stoptheengine
andremovethekey.Ifmajorrepairsareeverneeded,
contactanAuthorizedServiceDealer.
•Donotchangethegovernorsettingsontheengine.
•Whenstoringthemachineformorethan30days,
drainthefuelfromthefueltanktopreventa
potentialhazard.Storefuelinanapprovedfuel
container.Removethekeyfromtheignitionswitch
beforestoringthemachine.
•PurchaseonlygenuineTororeplacementpartsand
accessories.
3
SafetyandInstructionalDecals
Important:Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamaged
decals.
94-2577
1.Toengagetherotorblades,holdthecontrolbaragainst
thehandle.
2.Todisengagetherotorblades,releasethecontrolbar.
115-5698
Orderpartno.117-9121
1.Cuttingdismembermenthazards,impellerandauger—do
notplaceyourhandinthechute;removetheignitionkey
andreadtheinstructionsbeforeservicingorperforming
maintenance.
117-9102(Model38458only)
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(Model38459only)
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
2
Chuteassembly
1
Installthedischargechute.
1
UnfoldingtheHandle
NoPartsRequired
Procedure
1.Loosenthehandleknobs,pulloutthe“U”-shaped
handlelocksuntilyoucanmovethehandlefreely,
androtatethehandletotheoperatingposition
(
Figure4).
Figure4
1.“U”-shapedhandlelock(2)
2.Handleknobs
2.Inserttheendofthe“U”-shapedhandlelockinto
theopenholeinthehandleandtightenthehandle
knobsuntiltheyaresnug(Figure5).
Figure5
Important:Ensurethatyoudonotpinchor
kinkthecontrolcableortheQuickShoot™
cables(Figure6).
Figure6
1.Controlcable2.QuickShoot™cables
5
2
InstallingtheDischargeChute
Partsneededforthisprocedure:
3
Screws
1
Chuteassembly
Procedure
Installthedischargechuteasshown(Figure7).
Figure7
1.Dischargechute
2.Screw(3)
Note:Foreasierinstallation,useasmallratchetwrench
totightenthescrews.
Important:Donotovertightenthescrews;
otherwiseyoumaydamagethedischargechuteand
preventitfromturningfreely.
3
FillingtheEnginewithOil
NoPartsRequired
Procedure
Yourmachinedoesnotcomewithoilintheengine,but
itdoescomewithabottleofoil.
Important:Beforestartingtheengine,llthe
enginewithoil.
Note:Thebottleofoilmaycontainanounceortwo
morethantheenginerequires.Donotoverllorunder
lltheengine.
Maxll:20oz.(0.6l),type:automotivedetergentoil
withanAPIserviceclassicationofSJ,SL,orhigher.
Use
Figure8belowtoselectthebestoilviscosityforthe
outdoortemperaturerangeexpected:
Figure8
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoilllcap(Figure9).
Figure9
1.Oilllcap
3.Unscrewtheoilllcapandremoveit.
4.Withthemachineintheoperatingposition,carefully
pouroilintothecrankcase.Wait3minutesforthe
oiltosettleandaddenoughtobringittothepoint
ofoverow .Thereshouldbeverylittle,ifany,oil
leftinthebottle.
5.Screwtheoilllcapintotheoilllholeandtighten
itsecurely.
6
4
AdjustingtheControlCable
NoPartsRequired
Procedure
RefertoAdjustingtheControlCableinMaintenance.
ProductOverview
Figure10
1.Chutedeectortrigger
8.Electric-startbutton
(model38459only)
2.Dischargechute9.Ignitionkey
3.Fueltankcap
10.Chokelever
4.Controlbar11.Oildrainplug
5.QuickShoot™control12.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
Fillthefueltankwithfreshunleadedgasolinehavingan
octaneratingatornear87fromamajorname-brand
servicestation(Figure11).
Figure11
1.1/4inch(6mm)
Important:Donotaddoiltothegasoline.
Important:DonotuseE85orE20fuel.Alternative
fuelswithhighalcoholcontentcancausehard
7
starting,poorengineperformance,andmaycause
internalenginedamage.
Note:Forbestresults,purchaseonlythequantityof
gasolinethatyouexpecttousein30days.Otherwise,
youmayaddfuelstabilizertonewlypurchasedgasoline
tokeepitfreshforupto6months.
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily—Check
theengineoillevelandaddoilif
necessary.
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoilllcap(
Figure12).
Figure12
1.Oilllcap
3.Unscrewtheoilllcapandremoveit.
4.Iftheoillevelislow,keepthemachineinthe
operatingpositionandcarefullypouroilintothe
crankcaseuntilthepointofoverow.(Max.ll:20
oz.(0.6l),type:automotivedetergentoilwithan
APIserviceclassicationofSJ,SL,orhigher.)
5.Wait3minutesfortheoiltosettleandaddenough
oiltobringittothepointofoverow.
6.Screwtheoilllcapintotheoilllholeandhand
tightenitsecurely.
StartingtheEngine
1.TurntheignitionkeyclockwisetotheOnposition
(Figure13).
Figure13
2.Pulloutthechokelever(Figure14andFigure15).
Figure14
1.Chokelever
Figure15
1.Symbolsonthechokeleverindicatingtomovethechoke
levertotherighttoactivatethechoke.
3.Firmlypushintheprimer3timeswithyourthumb,
holdingtheprimerinaforasecondbeforereleasing
iteachtime(Figure16).
8
Figure16
Note:Removeyourglovewhenyoupushinthe
primersothataircannotescapefromtheprimer
hole.
Important:Donotusetheprimerorthechoke
iftheenginehasbeenrunningandishot.
Excessiveprimingmayoodtheengineand
preventitfromstarting.
4.Connectanextensioncordtoapowersourceand
themachine,andpushtheelectric-startbutton
(model38459only)(
Figure17),orpulltherecoil
starthandle(Figure18).
Figure17
Note:UseonlyaUL-listed,16-gaugeextension
cordrecommendedforoutdoorusethatisnot
longerthan50feet(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,
waitatleast40minutestoallowthestarterto
coolbeforeattemptingtostartitagain.Ifthe
enginedoesnotstartafterthesecondseriesof
attempts,takethemachinetoanAuthorized
ServiceDealerforservice(model38459only).
Note:Ifyoupulltherecoilhandleandfeelno
resistance,thestartermaybefrozen.Thawoutthe
starterbeforeattemptingtostartthemachine.
5.Whiletheengineisrunning,pushinthechokelever
slowly.
6.Unplugtheextensioncordfromthepowersource
andthemachine(model38459only).
CAUTION
Ifyouleavethemachinepluggedintoapower
source,someonecaninadvertentlystartthe
machineandinjurepeopleordamageproperty
(model38459only).
Unplugthepowercordwheneveryouarenot
startingthemachine.
9
EngagingtheRotorBlades
Toengagetherotorblades,holdthecontrolbaragainst
thehandle(Figure19).
Figure19
1.Controlbar
DisengagingtheRotorBlades
Todisengagetherotorblades,releasethecontrolbar
(Figure20).
Figure20
StoppingtheEngine
Tostoptheengine,turntheignitionkeycounterclockwise
totheOffposition(Figure21).
Figure21
AdjustingtheDischargeChute
andChuteDeector
Toadjustthedischargechute,pressthetriggerofthe
QuickShoot™controlontherighthandsideofthe
handleandmoveitupordownalongthehandle.Moving
thecontroldownthehandlerotatesthedischargechute
10
totheleft;movingthecontrolupthehandlerotatesthe
dischargechutetotheright(Figure22).
Figure22
Toraiseorlowertheangleofthechutedeector,press
thetriggeronthechutedeectorandmovethechute
deectorupordown(Figure23).
Figure23
1.Chutedeectortrigger2.Chutedeector
ClearingaCloggedDischarge
Chute
Important:Handcontactwiththerotating
rotorbladesinsidethedischargechuteisthe
mostcommoncauseofinjuryassociatedwith
snowthrowers.Neveruseyourhandtocleanout
thedischargechute.
Toclearthechute:
•Shuttheengineoff!
•Wait10secondstobesuretherotorbladeshave
stoppedrotating.
•Alwaysuseaclean-outtool(notincluded),notyour
hands(
Figure24).
G 01 6 2 9 7
Figure24
PreventingFreeze-upafterUse
•Lettheenginerunforafewminutestoprevent
movingpartsfromfreezing.Stoptheengine,wait
forallmovingpartstostop,andremoveiceand
snowfromthemachine.
•Cleanoffanysnowandicefromthebaseofthe
chute.
•Rotatethedischargechuteleftandrighttofreeit
fromanyicebuildup.
•WiththeignitionkeyintheOffposition,pullthe
recoilstarterhandleseveraltimesorconnectthe
electricalcordtoapowersourceandthemachine
andpushtheelectricstartbuttononce(model38589
11
only)topreventtherecoilstarterand/ortheelectric
starterfromfreezingup.
•Insnowyandcoldconditions,somecontrolsand
movingpartsmayfreeze.Donotuseexcessiveforce
whentryingtooperatefrozencontrols.Ifyouhave
difcultyoperatinganycontrolorpart,startthe
engineandletitrunforafewminutes.
1
2
G016654
3
4
Figure25
OperatingTips
WARNING
Therotorbladescanthrowstones,toys,andother
foreignobjectsandcauseseriouspersonalinjuryto
theoperatorortobystanders.
•Keeptheareatobeclearedfreeofallobjects
thattherotorbladescouldpickupandthrow.
•Keepallchildrenandpetsawayfromthearea
ofoperation.
•Removethesnowassoonaspossibleafteritfalls.
•Ifthemachinedoesnotpropelitselfforwardon
slipperysurfacesorinheavysnow,pushforwardon
thehandle,butallowthemachinetoworkatitsown
pace.
•Overlapeachswathtoensurecompletesnow
removal.
•Dischargethesnowdownwindwheneverpossible.
12
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Afterthersthour
•Checkthecontrolcableandadjustitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary.
Aftertherst2hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengineoillevelandaddoilifnecessary.
Yearly
•Checkthecontrolcableandadjustitifnecessary.
•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor
bladesandscraperifnecessary.
•Changetheengineoil.
•Checkthesparkplugandreplaceitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary.
•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.
Yearlyorbeforestorage
•Preparethemachineforstorage.
AdjustingtheControlCable
CheckingtheControlCable
ServiceInterval:Afterthersthour—Check
thecontrolcableandadjustitif
necessary.
Yearly—Checkthecontrolcableand
adjustitifnecessary.
Movethecontrolbarbacktowardthehandletoremove
theslackinthecontrolcable(
Figure26).
Figure26
1.Controlbar2.1/16-inchto1/8-inch(2
mmto3mm)gap
Note:Ensurethata1/16-inchto1/8-inch(2mmto3
mm)gapexistsbetweenthecontrolbarandthehandle
(Figure26).
Important:Thecontrolcablemustcontainsome
slackwhenyoudisengagethecontrolbarforthe
rotorbladestostopproperly.
AdjustingtheControlCable
1.Slideupthespringcoverandunhookthespring
fromtheadjusterlink(
Figure27).
Figure27
1.Adjusterlink
3.Springcover
2.Z-tting
4.Unhookthespringhere.
Note:Youcanpulluptheadjusterlinkandcableto
makeunhookingthespringeasier.
2.MovetheZ-ttingtoahigherorlowerholeonthe
adjusterlinkasneededtoobtainthe1/16-inchto
13
1/8-inch(2mmto3mm)gapbetweenthecontrol
barandthehandle(Figure26).
Note:MovingtheZ-ttinghigherdecreasesthe
gapbetweenthecontrolbarandthehandle;moving
itlowerincreasesthegap.
3.Hookthespringtotheadjusterlinkandslidethe
springcoverovertheadjusterlink.
4.Checktheadjustment;refertoCheckingtheControl
Cable.
Note:Afterextendeduse,thedrivebeltmaywear
andloseitsproperbelttension.Ifthedrivebelt
slips(continuouslysqueals)underaheavyload,
disconnectthespringfromtheadjustorlinkand
movetheupperendofthespringtotheholethat
isfurtherfromthepivotpointinthecontrolbar
(
Figure28).Thenconnectthespringtotheadjustor
linkandadjustthecontrolcable.
Figure28
1.Removetheupperendof
springfromthishole
3.Pivotpoint
2.Inserttheupperendof
springintothishole
4.Upperendofspring
Note:Thebeltmayslip(squeal)inwetconditions;
todryoutthedrivesystem,starttherotorandrun
itwithoutaloadfor30seconds.
InspectingtheRotorBlades
ServiceInterval:Yearly—Inspecttherotorbladesand
haveanAuthorizedServiceDealer
replacetherotorbladesandscraperif
necessary.
Beforeeachsession,inspecttherotorbladesforwear.
Whenarotorbladeedgehasworndowntothewear
indicatorhole,haveanAuthorizedServiceDealer
replacetherotorbladesandthescraper(Figure29).
Figure29
1.Thewearindicatorholeis
intact;youdonotneedto
replacetherotorblades.
2.Thewearindicatorholeis
exposed;replacetherotor
blades.
ChangingtheEngineOil
ServiceInterval:Aftertherst2hours
Yearly
Runtheengineafewminutesbeforechangingtheoil
towarmit.Warmoilowsbetterandcarriesmore
contaminants.
1.Siphonthefuelfromthefueltankintoanapproved
fuelcontainer,orruntheengineuntilitstops.
2.Movethemachinetoalevelsurface.
3.Placeanoildrainpanundertheoildrainplug,
removetheoildrainplug,andtipthemachine
backwardanddraintheusedoilintheoildrainpan
Figure30).
Figure30
4.Afterdrainingtheusedoil,returnthemachinetothe
operatingposition.
5.Installtheoildrainplugandtightenitsecurely.
6.Cleanaroundtheoilllcap(
Figure31).
14
Figure31
1.Oilllcap
7.Unscrewtheoilllcapandremoveit(Figure31).
8.Withthemachineintheoperatingposition,carefully
pouroilintotheoilllhole.Wait3minutesforthe
oiltosettleandaddenoughtobringittothepoint
ofoverow .Thereshouldbeverylittle,ifany,oilleft
inthebottle(
Figure33).
Maxll:20oz.(0.6l),type:automotivedetergentoil
withanAPIserviceclassicationofSJ,SL,orhigher.
Use
Figure32belowtoselectthebestoilviscosity
fortheoutdoortemperaturerangeexpected:
Figure32
Figure33
9.Screwtheoilllcapintotheoilllhole,andhand
tightenitsecurely.
10.Wipeupanyspilledoil.
11.Disposeoftheusedoilproperlyatalocalrecycling
center.
ServicingtheSparkPlug
ServiceInterval:Yearly—Checkthesparkplugand
replaceitifnecessary.
UseaNGKBPR6ESorChampionRN9YCspark
plugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Rotatethedischargechutesothatitfacesforward.
3.Removethedischargechute,thedischargechute
handle,andthechutesealbyremovingthe3large
screwsandonesmallscrew(Figure34).
15
Figure34
1.Fueltankcap
4.Smallscrew
2.Largescrews(3)5.Chuteseal
3.Dischargechute
4.Removethe4screwsthatsecuretheshroud
(Figure35).
Figure35
1.Screw(4)3.Sparkplug
2.Shroud4.Spark-plugwire
5.Removethefueltankcap.
6.Removetheshroud(
Figure35).
7.Installthefueltankcap.
8.Disconnectthewirefromthesparkplug.
9.Cleanaroundthesparkplug.
10.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercandamage
theengine.
11.Setthegapontheplugto0.030inch(0.76mm)
(
Figure36).
Figure36
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
12.Installthesparkplugandtorqueitto20–22ft-lb
(27–30N-m).
13.Connectthewiretothesparkplug.
Note:Ensurethatthebreathertubeisroutedabove
thesparkplugwireasshownin
Figure37.
Figure37
1.Breathertube
2.Carburetordrainbolt
14.Removethefueltankcap.
15.Installtheshroudwiththescrewsyouremovedin
step4.
Note:Ensurethattheupperandlowershroudst
togetherinthesidegrooves.
16
16.Installthefueltankcap.
17.Installthechuteseal,thedischargechute,andthe
dischargechutehandleontothemachineusingthe
hardwareyouremovedinstep
3.
Note:Thesmallscrewgoesthroughthesmallhole
inthechutesealatthefrontofthedischargechute
opening.
ReplacingtheDriveBelt
Ifdrivebeltbecomesworn,oil-soaked,excessively
cracked,frayed,orotherwisedamaged,replacethebelt.
1.Removethedrivebeltcoverbyremovingthe3bolts
asshowninFigure38.
Figure38
1.Drivebeltcover6.Drivebelt
2.Bolt(3)7.Rotorshaft
3.Rotorpulleybolt
8.Brakespring(unhookfrom
idlerarmhere)
4.Curvedwasher
9.Idlerpulley
5.Rotorpulley10.Enginepulley
2.Unhookthebrakespringfromtheidlerarmto
releasethebelttension(Figure38).
3.Removethescrewandcurvedwasherthatholdsthe
rotorpulley(
Figure38).
4.Removetherotorpulleyandthedrivebelt
(Figure38).
5.Installthenewdrivebelt,routingitasshownin
(Figure39).
Figure39
1.Brakespring(installon
idlerarmhere)
3.Enginepulley
2.Idlerpulley4.Rotorpulley
Note:Routethenewdrivebeltrstaroundthe
enginepulley,thentheidlerpulley,andnallyaround
thelooserotorpulleypositionedjustabovetherotor
shaft(Figure38).
6.Installtherotorpulleyontotherotorshaft
(
Figure38).
7.Installthecurvedwasherandtherotorpulleybolt
andtightenthemsecurely(Figure38).
Note:Theconcavesideofthecurvedwashergoes
againsttheoutsideofthepulley.
8.Installthebrakespringontotheidlerarm(
Figure39).
9.Installthedrivebeltcoverwiththeboltsyou
removedinstep1.
Note:Ensurethatthedrivebeltisproperlyadjusted
andoperating;refertoCheckingtheControlCable
andAdjustingtheControlCable.
AdjustingtheQuickShoot™
Control
Ifthereismorethan1/2inch(13mm)ofslackinthe
QuickShootcable(Figure40)orthedischargechute
doesnotrotateleftandrightinequalangles,adjustthe
QuickShootcontrolcables.
Figure40
1.1/2inch(13mm)maximumslack
17
1.LoosenthetwoQuickShootcontrolcableclamps
(Figure41).
Figure41
1.Cableclamps
2.PositiontheQuickShootcontrolbetweenthetwo
arrowslocatedontherighthandsideoftheupper
handle(
Figure42).
Figure42
1.Arrows
3.Rotatethedischargechutesothatitfacesstraight
aheadandthearrowonthebackofthedischarge
chutealignswiththearrowontheshroud(Figure43).
Figure43
4.Holdthedischargechuteinthestraight-ahead
position,pullthelowercablecasingdownwarduntil
youremovetheslackinthecable,andtightenthe
screwonthelowercableclampsecurely(Figure44).
Figure44
1.Lowercablecasing
5.Pulltheuppercablecasingforwarduntilyouremove
theslackinthecable,andtightenthescrewonthe
uppercableclampsecurely(Figure45).
18
Figure45
1.Uppercablecasing
Note:Donotover-tensionthecables.Ifthecables
areover-tensioned,theQuickShootwillbehardto
operate.
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.Drainthefuelinthecarburetorthroughthe
carburetordrainbolt(
Figure37)intoanapproved
gasolinecontainer.
7.Disposeofunusedfuelproperly.Recycleitaccording
tolocalcodes,oruseitinyourautomobile.
8.Whiletheengineisstillwarm,changetheengineoil.
RefertoChangingtheEngineOil.
9.Removethesparkplug.
10.Squirt2teaspoonsofoilintothesparkplughole.
11.Installthesparkplugbyhandandthentorqueitto
20–22ft-lb(27–30N-m).
12.WiththeignitionkeyintheOffposition,pullthe
recoilstarterslowlytodistributetheoilontheinside
ofthecylinder.
13.Cleanthemachine.
14.Touchupchippedsurfaceswithpaintavailable
fromanAuthorizedServiceDealer.Sandaffected
areasbeforepainting,andusearustpreventativeto
preventthemetalpartsfromrusting.
15.Tightenanyloosefasteners.Repairorreplaceany
damagedparts.
16.Coverthemachineandstoreitinaclean,dryplace
outofthereachofchildren.Allowtheengineto
coolbeforestoringitinanyenclosure.
19
Notes:
20
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Toro Power Clear 621 QZR Snowthrower User manual

Toro
Brand
Toro
Model
Power Clear 621 QZR Snowthrower
Category
Snow throwers
Type
User manual
This manual is also suitable for

Toro Power Clear 621 QZR Snowthrower is a residential snowthrower designed for removing snow from paved surfaces. It features a powerful engine and a durable auger system that can handle even the heaviest snowfalls. The snowthrower also has a variety of features that make it easy and convenient to use, including a self-propelled drive system, a heated handgrip, and a adjustable discharge chute.

Here are some of the key features and capabilities of the Toro Power Clear 621 QZR Snowthrower:

  • Electric start for easy starting in cold weather
  • Self-propelled drive system for easy maneuverability
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