Toro Power Clear 721 QZR Snowthrower User manual

Brand: Toro

Model: Power Clear 721 QZR Snowthrower

Category: Snow throwers

Type: User manual

Toro Power Clear 721 QZR Snowthrower is designed to remove snow from paved surfaces like driveways and sidewalks. It's not suitable for gravel surfaces or materials other than snow. The machine features a control cable for adjusting the discharge chute and chute deflector, allowing you to direct snow where you want it. It also has a convenient primer for easy starting and a high-altitude kit for use at elevations above 5,000 feet.

FormNo.3407-536RevA

PowerClear

721QZRSnowthrower

ModelNo.38743—SerialNo.400010798andUp

Operator'sManual

Introduction

WARNING

CALIFORNIA

Proposition65Warning

Thisproductcontainsachemicalorchemicals

knowntotheStateofCaliforniatocausecancer,

birthdefects,orreproductiveharm.

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

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,genuineToroparts,oradditional

information,contactanAuthorizedServiceDealerorToro

CustomerServiceandhavethemodelandserialnumbersof

yourmachineready.Figure1identiesthelocationofthe

modelandserialnumbersonthemachine.Writethenumbers

inthespaceprovided.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhassafety

messagesidentiedbythesafety-alertsymbol(Figure2),

whichsignalsahazardthatmaycauseseriousinjuryordeath

ifyoudonotfollowtherecommendedprecautions.

Figure2

1.Safety-alertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanicalinformation

andNoteemphasizesgeneralinformationworthyofspecial

attention.

Important:Ifyouareusingthismachineabove1500m

(5,000ft)foracontinuousperiod,ensurethattheHigh

AltitudeKithasbeeninstalledsothattheenginemeets

CARB/EPAemissionregulations.TheHighAltitude

Kitincreasesengineperformancewhilepreventing

spark-plugfouling,hardstarting,andincreased

emissions.Onceyouhaveinstalledthekit,attach

thehigh-altitudelabelnexttotheserialdecalonthe

machine.ContactanyAuthorizedToroServiceDealer

toobtaintheproperHighAltitudeKitandhigh-altitude

labelforyourmachine.Tolocateadealerconvenientto

8111LyndaleAvenueSouth

Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

*3407-536*A

you,accessourwebsiteatwww.Toro.comorcontactour

ToroCustomerCareDepartmentatthenumber(s)listed

inyourEmissionControlWarrantyStatement.

Removethekitfromtheengineandrestoretheengine

toitsoriginalfactorycongurationwhenrunningthe

engineunder1500m(5,000ft).Donotoperateanengine

thathasbeenconvertedforhigh-altitudeuseatlower

altitudes;otherwise,youcouldoverheatanddamage

theengine.

Ifyouareunsurewhetherornotyourmachinehasbeen

convertedforhigh-altitudeuse,lookforthefollowing

label(Figure3).

Figure3

Contents

Introduction..................................................................1

Safety...........................................................................3

SafetyandInstructionalDecals.................................3

Setup............................................................................4

1UnfoldingtheHandle............................................4

2InstallingtheDischargeChute................................4

3FillingtheEnginewithOil......................................5

4AdjustingtheControlCable...................................5

ProductOverview..........................................................6

Operation.....................................................................6

BeforeOperation.......................................................6

Safety.....................................................................6

FillingtheFuelTank................................................7

CheckingtheEngine-OilLevel..................................7

DuringOperation......................................................7

Safety.....................................................................7

StartingtheEngine..................................................8

EngagingtheRotorBlades........................................9

DisengagingtheRotorBlades...................................9

ShuttingOfftheEngine...........................................9

AdjustingtheDischargeChuteandChute

Deector...........................................................10

ClearingaCloggedDischargeChute.........................10

OperatingTips......................................................10

AfterOperation........................................................11

Safety....................................................................11

PreventingFreeze-upafterUse.................................11

Maintenance.................................................................12

RecommendedMaintenanceSchedule(s)......................12

MaintenanceSafety.................................................12

AdjustingtheControlCable.....................................12

InspectingtheRotorBlades.....................................13

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

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

ReplacingtheDriveBelt..........................................16

AdjustingtheQuickShootControl...........................17

Storage........................................................................19

StoringtheMachine................................................19

Safety

ThismachinecomplieswithANSIB71.3specicationsin

effectatthetimeofproduction.

•ReadandunderstandthecontentsofthisOperator’sManual

beforeyoustarttheengine.Ensurethateveryoneusing

thisproductknowshowtouseitandunderstandsthe

warnings.

•Donotputyourhandsorfeetnearmovingcomponents

onthemachine.

•Donotoperatethemachinewithoutallguardsandother

safetyprotectivedevicesinplaceandworkingonthe

machine.

•Keepclearofanydischargeopening.Keepbystandersa

safedistanceawayfromthemachine.

•Keepchildrenoutoftheoperatingarea.Neverallow

childrentooperatethemachine.

•Shutofftheenginebeforeunclogging,servicing,or

fuelingthemachine.

Youcanndadditionalitemsofsafetyinformationintheir

respectivesectionsthroughoutthismanual.

SafetyandInstructionalDecals

Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamagedor

missingdecals.

94-2577

1.Toengagetherotorblades,holdthecontrolbaragainst

thehandle.

2.Todisengagetherotorblades,releasethecontrolbar.

115-5698

OrderPartNo.117-9121

1.Cuttingdismembermenthazards,impellerandauger—do

notplaceyourhandinthechute;removetheignitionkey

andreadtheinstructionsbeforeservicingorperforming

maintenance.

117-9102

OrderPartNo.117-6036

1.Warning—readthe

Operator'sManual.

6.Engineswitchoff

2.Cutting/dismemberment

hazard,impeller—shutoff

theenginebeforeleaving

themachine.

7.Primer

3.Thrownobject

hazard—keepbystanders

asafedistanceawayfrom

themachine.

8.Pushtheprimer3timesto

primetheengine.

4.Fuelspillhazard—donot

tipmachinebackward.

9.ReadtheOperator's

Manualbeforechecking

engine-oillevel.

5.Engineswitchon

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Nopartsrequired

–

Unfoldthehandle.

Screw

Chuteassembly

Discharge-chutehandle1

Installthedischargechute.

Nopartsrequired

–

Filltheenginewithoil.

Nopartsrequired

–

Adjustthecontrolcable.

UnfoldingtheHandle

NoPartsRequired

Procedure

1.Loosenthehandleknobs,pullouttheU-shapedhandle

locksuntilyoucanmovethehandlefreely,androtate

thehandletotheoperatingposition(Figure4).

Figure4

1.U-shapedhandlelock(2)

2.Handleknobs

2.InserttheendoftheU-shapedhandlelockintothe

openholeinthehandleandtightenthehandleknobs

untiltheyaresnug(Figure5).

Note:Thehandleknobscontainnylocnutsthat

requiremorepressuretotightenfullytopreventthe

handlefromcominglooseduringoperation.

Figure5

Important:Ensurethatyoudonotpinchorkink

thecontrolcable(Figure6).

Figure6

1.Controlcable

InstallingtheDischargeChute

Partsneededforthisprocedure:

Screw

Chuteassembly

1Discharge-chutehandle

Procedure

Installthedischargechuteasshown(Figure7).

Figure7

1.Dischargechute

2.Screw(3)

Note:Foreasierinstallation,useasmallratchetwrenchto

tightenthescrews.

Important:Donotovertightenthescrews;otherwise

youmaydamagethedischargechuteandpreventit

fromturningfreely.

FillingtheEnginewithOil

NoPartsRequired

Procedure

Yourmachinedoesnotcomewithoilintheengine,butit

doescomewithabottleofoil.

Important:Beforestartingtheengine,lltheengine

withoil.

Note:Thebottleofoilmaycontainmoreoilthanisrequired.

Donotoverllorunderlltheengine.

Maxll:.0.60L(20oz),type:automotivedetergentoilwith

anAPIserviceclassicationofSJ,SL,orhigher.

UseFigure8toselectthebestoilviscosityfortheoutdoor

temperaturerangeexpected.

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

RefertoAdjustingtheControlCable(page12).

ProductOverview

Figure10

1.Chute-deectortrigger

7.Primer

2.Dischargechute8.Ignitionkey

3.Fuel-tankcap

9.Chokelever

4.Controlbar10.Oil-drainplug

5.QuickShootcontrol11.Oil-llcap

6.Recoil-starthandle

12.Chutedeector

Operation

BeforeOperation

Safety

•Donotoperatethemachinewithoutwearingadequate

wintergarments.Avoidloosettingclothingthatcanget

caughtinmovingparts.Wearslipresistantfootwearthat

willimprovefootingonslipperysurfaces.

•Alwayswearsafetyglassesoreyeprotectionduring

operationorwhileperforminganadjustmentorrepairto

protectyoureyesfromforeignobjectsthatthemachine

maythrow .

•Thoroughlyinspecttheareawhereyouwillusethe

machineandremovealldoormats,sleds,boards,wires,

andotherforeignobjects.

•Ifashield,safetydevice,ordecalisdamaged,illegible,or

lost,repairorreplaceitbeforebeginningoperation.Also,

tightenanyloosefasteners.

FillingtheFuelTank

•Forbestresults,useonlyclean,fresh(lessthan30days

old),unleadedgasolinewithanoctaneratingof87or

higher((R+M)/2ratingmethod).

•Oxygenatedfuelwithupto10%ethanolor15%MTBE

byvolumeisacceptable.

•Donotuseethanolblendsofgasoline(suchasE15

orE85)withmorethan10%ethanolbyvolume.

Performanceproblemsand/orenginedamagemayresult

whichmaynotbecoveredunderwarranty.

•Donotusegasolinecontainingmethanol.

•Donotstorefueleitherinthefueltankorfuelcontainers

overthewinterunlessyouuseafuelstabilizer.

•Donotaddoiltogasoline.

Figure11

1.6mm(1/4inch)

Note:Forbestresults,purchaseonlythequantityofgasoline

thatyouexpecttousein30days.Otherwise,youmayadd

fuelstabilizertonewlypurchasedgasolinetokeepitfreshfor

upto6months.

CheckingtheEngine-OilLevel

ServiceInterval:Beforeeachuseordaily—Checkthe

engine-oillevelandaddoilifnecessary.

1.Movethemachinetoalevelsurface.

2.Cleanaroundtheoil-llcap(Figure12).

Figure12

1.Oil-llcap

3.Unscrewtheoil-llcapandremoveit.

4.Iftheoillevelislow,slowlypouroilintotheoil-llhole

untilthepointofoverow .Wait3minutes,thencheck

theoillevelonthedipstickbywipingthedipstickclean

andtheninserting,butnotscrewingin,theoil-llcap

intothehole.

Note:Youmaytipthemachineforward(handleup)

tomakeaddingoileasier.Remembertoreturnthe

machinetotheoperatingpositionbeforecheckingthe

oillevel.

Important:Donottipthemachinealltheway

forwardontoitsnose,orfuelmayleakoutofthe

machine.

Maxll:0.60L(20oz),type:SAE30detergentoil

withanAPIserviceclassicationofSJ,SL,orhigher.

5.Screwtheoil-llcapintotheoil-llholeandtighten

itsecurelybyhand.

DuringOperation

Safety

•Rotatingaugerbladescaninjurengersorhands.

Staybehindthehandlesandawayfromthedischarge

openingwhileoperatingthemachine.Keepyourface,

hands,feet,andanyotherpartofyourbodyor

clothingawayfrommovingorrotatingparts.

•Neverdirectthedischargetowardpeopleorareaswhere

propertydamagecanoccur.

•Exercisecautiontoavoidslippingorfalling.Alwaysbe

sureofyourfooting,andkeeparmholdonthehandles.

Walk;neverrun.

•Exerciseextremecautionwhenoperatingonslopes.

•Neveroperatethemachinewithoutgoodvisibilityor

light.

•Lookbehindandusecarewhenbackingupwiththe

machine.

•Whennotactivelyclearingsnow ,disengagepowertothe

rotorblades.

•Donotattempttoclearsnowfromagravelorcrushed

rocksurface.Thisproductisintendedforuseonlyon

pavedsurfaces.

•Donotusethemachineonaroof.

•Neverattempttomakeanyadjustmentswhiletheengine

isrunning(exceptwhenspecicallyrecommendedby

manufacturer).

•Stayalertforhiddenhazardsortrafc.

•Afterstrikingaforeignobject,shutofftheengine,

removetheignitionkey,thoroughlyinspectthemachine

foranydamage,andrepairthedamagebeforestarting

andoperatingthemachine.

•Ifthemachineshouldstarttovibrateabnormally,shutoff

theengineandcheckimmediatelyforthecause.

•Donotruntheengineindoors,exceptwhenstarting

theengineandfortransportingthemachineinorout

ofthebuilding.Opentheoutsidedoors;exhaustfumes

aredangerous.

•Donotoverloadthemachinecapacitybyattemptingto

clearsnowattoofastarate.

•Nevertouchahotengineormufer.

StartingtheEngine

1.TurntheignitionkeyclockwisetotheONposition

(Figure13).

Figure13

2.Pulloutthechokelever(Figure14andFigure15).

Figure14

1.Chokelever

Figure15

1.Symbolsonthechokeleverindicatingtopulloutthechoke

levertoactivatethechoke

3.Firmlypushintheprimerwithyourthumbasindicated

bythetablebelow ,holdingintheprimerinforasecond

beforereleasingiteachtime(Figure16).

Temperature

SuggestedNumberof

Primes

-23°C(-10°F)andabove

Below-23°C(-10°F)

Figure16

Note:Removeyourglovewhenyoupushinthe

primersothataircannotescapefromtheprimerhole.

Important:Donotusetheprimerorthechokeif

theenginehasbeenrunningandishot.Excessive

primingmayoodtheengineandpreventitfrom

starting.

4.Pulltherecoil-starthandle(Figure17).

Figure17

Note:Ifyoupulltherecoilhandleandfeelno

resistance,thestartermaybefrozen.Thawoutthe

starterbeforeattemptingtostartthemachine.

5.Whiletheengineisrunning,pushinthechokelever

slowly.

EngagingtheRotorBlades

Toengagetherotorblades,holdthecontrolbaragainstthe

handle(Figure18).

Figure18

1.Controlbar

DisengagingtheRotorBlades

Todisengagetherotorblades,releasethecontrolbar(Figure

19).

Figure19

ShuttingOfftheEngine

Toshutofftheengine,turntheignitionkeycounterclockwise

totheOFFposition(Figure20).

Figure20

AdjustingtheDischargeChute

andChuteDeector

Toadjustthedischargechute,pressthetriggeroftheQuick

Shootcontrolontherighthandsideofthehandleandmove

itupordownalongthehandle.Movingthecontroldown

thehandlerotatesthedischargechutetotheleft;moving

thecontrolupthehandlerotatesthedischargechutetothe

right(Figure21).

Figure21

Toraiseorlowertheangleofthechutedeector,pressthe

triggeronthechutedeectorandmovethechutedeector

upordown(Figure22).

Figure22

1.Chute-deectortrigger2.Chutedeector

ClearingaCloggedDischarge

Chute

WARNING

Handcontactwiththerotatingrotorbladesinside

thedischargechuteisthemostcommoncauseof

injuryassociatedwithmachines.Neveruseyour

handtocleanoutthedischargechute.

Toclearthechute:

•Shutofftheengine.

•Wait10secondstoensurethattherotorbladeshave

stoppedrotating.

•Alwaysuseacleanouttool,notyourhands.

OperatingTips

WARNING

Therotorbladescanthrowstones,toys,andother

foreignobjectsandcauseseriouspersonalinjuryto

theoperatorortobystanders.

•Keeptheareatobeclearedfreeofallobjects

thattherotorbladescouldpickupandthrow.

•Keepallchildrenandpetsawayfromthearea

ofoperation.

•Removethesnowassoonaspossibleafteritfalls.

•Ifthemachinedoesnotpropelitselfforwardonslippery

surfacesorinheavysnow ,pushforwardonthehandle,

butallowthemachinetoworkatitsownpace.

•Overlapeachswathtoensurecompletesnowremoval.

•Dischargethesnowdownwindwheneverpossible.

AfterOperation

Safety

•Neverstorethemachinewithfuelinthefueltankinsidea

buildingwhereignitionsourcesarepresent,suchashot

waterheaters,spaceheaters,orclothesdryers.Allowthe

enginetocoolbeforestoringinanyenclosure.

•Whenstoringthemachineformorethan30days,referto

Storage(page19)forimportantdetails.

PreventingFreeze-upafterUse

•Lettheenginerunforafewminutestopreventmoving

partsfromfreezing.Shutofftheengine,waitforall

movingpartstostop,andremoveiceandsnowfromthe

machine.

•Cleanoffanysnowandicefromthebaseofthechute.

•Rotatethedischargechuteleftandrighttofreeitfrom

anyicebuildup.

•WiththeignitionkeyintheOFFposition,pullthe

recoil-starthandleseveraltimestopreventtherecoil

starterfromfreezingup.

•Insnowyandcoldconditions,somecontrolsandmoving

partsmayfreeze.Donotuseexcessiveforcewhen

tryingtooperatefrozencontrols.Ifyouhavedifculty

operatinganycontrolorpart,starttheengineandletit

runforafewminutes.

G016654

Figure23

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

MaintenanceProcedure

Afterthersthour

•Checkthecontrolcableandadjustitifnecessary.

•Checkforloosefastenersandtightenthemifnecessary.

Aftertherst2hours

•Changetheengineoil.

Beforeeachuseordaily

•Checktheengine-oillevelandaddoilifnecessary.

Yearly

•Checkthecontrolcableandadjustitifnecessary.

•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor

bladesandscraperifnecessary.

•Changetheengineoil.

•Checkthesparkplugandreplaceitifnecessary.

•Checkforloosefastenersandtightenthemifnecessary.

•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.

Yearlyorbeforestorage

•Preparethemachineforstorage.

MaintenanceSafety

Readthefollowingsafetyprecautionsbeforeperformingany

maintenanceonthemachine:

•Beforeperforminganymaintenance,service,or

adjustment,shutofftheengineandremovethekey.If

majorrepairsareeverneeded,contactanAuthorized

ServiceDealer.

•Checkallfastenersatfrequentintervalsforproper

tightnesstobesurethemachineisinsafeworking

condition.

•Maintainorreplacesafetyandinstructionlabels,as

necessary.

•Donotchangethegovernorsettingsontheengine.

•PurchaseonlygenuineTororeplacementpartsand

accessories.

AdjustingtheControlCable

CheckingtheControlCable

ServiceInterval:Afterthersthour—Checkthecontrol

cableandadjustitifnecessary.

Yearly—Checkthecontrolcableandadjustitif

necessary.

Movethecontrolbarbacktowardthehandletoremovethe

slackinthecontrolcable(Figure24).

Figure24

1.Controlbar2.2mmto3mm(1/16inch

to1/8inch)gap

Note:Ensurethata2mmto3mm(1/16inchto1/8inch)

gapexistsbetweenthecontrolbarandthehandle(Figure24).

Important:Thecontrolcablemustcontainsomeslack

whenyoudisengagethecontrolbarfortherotorblades

tostopproperly.

AdjustingtheControlCable

1.Slideupthespringcoverandunhookthespringfrom

theadjusterlink(Figure25).

Figure25

1.Adjusterlink

3.Springcover

2.Z-tting

4.Unhookthespringhere.

Note:Youcanpulluptheadjusterlinkandcableto

makeunhookingthespringeasier.

2.MovetheZ-ttingtoahigherorlowerholeonthe

adjusterlinkasneededtoobtainthe2mmto3mm

(1/16inchto1/8inch)gapbetweenthecontrolbar

andthehandle(Figure24).

Note:MovingtheZ-ttinghigherdecreasesthegap

betweenthecontrolbarandthehandle;movingit

lowerincreasesthegap.

3.Hookthespringtotheadjusterlinkandslidethespring

coverovertheadjusterlink.

4.Checktheadjustment;refertoCheckingtheControl

Cable(page12).

Note:Afterextendeduse,thedrivebeltmaywear

andloseitsproperbelttension.Ifthedrivebeltslips

(continuouslysqueals)underaheavyload,disconnect

thespringfromtheadjustorlinkandmovetheupper

endofthespringtotheholethatisfurtherfrom

thepivotpointinthecontrolbar(Figure26).Then

connectthespringtotheadjustorlinkandadjustthe

controlcable.

Figure26

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

arotorbladeedgehasworndowntothewear-indicatorhole,

haveanAuthorizedServiceDealerreplacetherotorblades

andthescraper(Figure27).

Figure27

1.Thewear-indicatorholeis

intact;youdonotneedto

replacetherotorblades.

2.Thewear-indicatorholeis

exposed;replacetherotor

blades.

ChangingtheEngineOil

ServiceInterval:Aftertherst2hours

Yearly

Runtheengineafewminutesbeforechangingtheoiltowarm

it.Warmoilowsbetterandcarriesmorecontaminants.

1.Siphonthefuelfromthefueltankintoanapproved

fuelcontainer,orruntheengineuntilitshutsoff.

2.Movethemachinetoalevelsurface.

3.Placeanoil-drainpanundertheoil-drainplug,remove

theplug,andtipthemachinebackwardanddrainthe

usedoilinthepan(Figure28).

Figure28

4.Afterdrainingtheusedoil,returnthemachinetothe

operatingposition.

5.Installtheoil-drainplugandtightenitsecurely.

6.Cleanaroundtheoil-llcap(Figure29).

Figure29

1.Oil-llcap

7.Unscrewtheoil-llcapandremoveit(Figure29).

8.Withthemachineintheoperatingposition,carefully

pouroilintotheoil-llholetothepointofoverow

(Figure31).

Note:Youmaytipthemachineforward(handleup)

tomakeaddingoileasier.Remembertoreturnthe

machinetotheoperatingpositionbeforecheckingthe

oillevel.

Important:Donottipthemachinealltheway

forwardontoitsnose,orfuelmayleakoutofthe

machine.

Maxll:0.60L(20oz),type:automotivedetergentoil

withanAPIserviceclassicationofSJ,SL,orhigher.

UseFigure30belowtoselectthebestoilviscosityfor

theoutdoortemperaturerangeexpected.

Figure30

Figure31

9.Wait3minutesfortheoiltosettleandaddenoughto

bringittothepointofoverow.

10.Screwtheoil-llcapintotheoil-llhole,andtighten

itsecurelybyhand.

11.Wipeupanyspilledoil.

12.Disposeoftheusedoilproperlyatalocalrecycling

center.

ServicingtheSparkPlug

ServiceInterval:Yearly—Checkthesparkplugandreplace

itifnecessary.

UseaNGKBPR6ESorChampionRN9YCsparkplug

orequivalent.

1.Shutofftheengineandwaitforallmovingpartsto

stop.

2.Rotatethedischargechutesothatitfacesforward.

3.Removethedischargechute,thedischarge-chute

handle,andthechutesealbyremovingthe3large

screwsand1smallscrew(Figure32).

Figure32

1.Fuel-tankcap

4.Smallscrew

2.Largescrews(3)5.Chuteseal

3.Dischargechute

4.Removethe4screwsthatsecuretheshroud(Figure33).

Figure33

1.Screw(4)3.Sparkplug

2.Shroud4.Spark-plugwire

5.Removethefuel-tankcap.

6.Removetheshroud(Figure33).

7.Installthefuel-tankcap.

8.Disconnectthewirefromthesparkplug.

9.Cleanaroundthesparkplug.

10.Removethesparkplugfromthecylinderhead.

Important:Replaceacracked,fouled,ordirty

sparkplug.Donotcleantheelectrodesbecause

gritenteringthecylindercandamagetheengine.

11.Setthegapontheplugto0.76mm(0.030inch)as

showninFigure34.

Figure34

1.Center-electrodeinsulator3.Airgap(nottoscale)

2.Sideelectrode

12.Installthesparkplugandtorqueitto27to30N∙m

(20to22ft-lb).

13.Connectthewiretothesparkplug.

Note:Ensurethatthebreathertubeisroutedabove

thespark-plugwireasshowninFigure35.

Figure35

1.Breathertube

2.Carburetor-drainbolt

14.Removethefuel-tankcap.

15.Installtheshroudwiththescrewsthatyouremoved

instep4.

Note:Ensurethattheupperandlowershroudst

togetherinthesidegrooves.

16.Installthefuel-tankcap.

17.Installthechuteseal,dischargechute,and

discharge-chutehandleontothemachineusingthe

hardwarethatyouremovedinstep3.

Note:Thesmallscrewgoesthroughthesmallhole

inthechutesealatthefrontofthedischarge-chute

opening.

ReplacingtheDriveBelt

Ifthedrivebeltbecomesworn,oil-soaked,excessively

cracked,frayed,orotherwisedamaged,replacethebelt.

1.Removethedrivebeltcoverbyremovingthe3boltsas

showninFigure36.

Figure36

1.Drive-beltcover6.Drivebelt

2.Bolt(3)7.Rotorshaft

3.Rotor-pulleybolt

8.Brakespring(unhookfrom

idlerarmhere)

4.Curvedwasher

9.Idlerpulley

5.Rotorpulley10.Enginepulley

2.Unhookthebrakespringfromtheidlerarmtorelease

thebelttension(Figure36).

3.Removethescrewandcurvedwasherthatholdsthe

rotorpulley(Figure36).

4.Removetherotorpulleyandthedrivebelt(Figure36).

5.Installthenewdrivebelt,routingitasshowninFigure

37.

Figure37

1.Brakespring(installon

idlerarmhere)

3.Enginepulley

2.Idlerpulley4.Rotorpulley

Note:Routethenewdrivebeltrstaroundtheengine

pulley,thentheidlerpulley,andnallyaroundthe

looserotorpulleypositionedjustabovetherotorshaft

(Figure36).

6.Installtherotorpulleyontotherotorshaft(Figure36).

7.Installthecurvedwasherandtherotor-pulleyboltand

tightenthemsecurely(Figure36).

Note:Theconcavesideofthecurvedwashergoes

againsttheoutsideofthepulley.

8.Installthebrakespringontotheidlerarm(Figure37).

9.Installthedrivebeltcoverwiththeboltsthatyou

removedinstep1.

Note:Ensurethatthedrivebeltisproperlyadjusted

andoperating;refertoCheckingtheControlCable

(page12)andAdjustingtheControlCable(page13).

AdjustingtheQuickShoot

Control

Ifthereismorethan13mm(1/2inch)ofslackintheQuick

Shootcable(Figure38)orthedischargechutedoesnotrotate

leftandrightinequalangles,adjusttheQuickShootcontrol

cables.

Figure38

1.13mm(1/2inch)maximumslack

1.Loosenthe2QuickShootcontrol-cableclamps(Figure

39).

Figure39

1.Cableclamps

2.PositiontheQuickShootcontrolbetweenthe2arrows

locatedontherightsideoftheupperhandle(Figure

40).

Figure40

1.Arrows

3.Rotatethedischargechutesothatitfacesstraight

aheadandthearrowonthebackofthedischargechute

alignswiththearrowontheshroud(Figure41).

Figure41

4.Holdthedischargechuteinthestraight-aheadposition,

pullthelowercablecasingdownwarduntilyouremove

theslackinthecable,andtightenthescrewonthe

lowercableclampsecurely(Figure42).

Figure42

1.Lowercablecasing

5.Pulltheuppercablecasingforwarduntilyouremove

theslackinthecable,andtightenthescrewonthe

uppercableclampsecurely(Figure43).

Figure43

1.Uppercablecasing

Note:Donotover-tensionthecables.Ifthecables

areover-tensioned,theQuickShootwillbehardto

operate.

Storage

StoringtheMachine

WARNING

•Fuelfumesarehighlyammable,explosive,and

dangerousifinhaled.Ifyoustorethemachine

inanareawithanopename,thefuelfumes

mayigniteandcauseanexplosion.

•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.Shutofftheengine,allowittocool,andsiphonthe

fueltankorruntheengineuntilitshutsoff.

4.Starttheengineandrunituntilitshutsoff.

5.Chokeorprimetheengine,startitathirdtime,and

runtheengineuntilitdoesnotstart.

6.Drainthefuelinthecarburetorthroughthe

carburetor-drainbolt(Figure35)intoanapproved

gasolinecontainer.

7.Disposeofunusedfuelproperly.Recycleitaccording

tolocalcodes,oruseitinyourautomobile.

8.Whiletheengineisstillwarm,changetheengineoil.

RefertoChangingtheEngineOil(page14).

9.Removethesparkplug.

10.Squirt10ml(2tsp)ofoilintothespark-plughole.

11.Installthesparkplugbyhandandthentorqueitto27

to30N∙m(20to22ft-lb).

12.WiththeignitionkeyintheOFFposition,pullthe

recoil-starthandleslowlytodistributetheoilonthe

insideofthecylinder.

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 721 QZR Snowthrower User manual

Brand: Toro

Model: Power Clear 721 QZR Snowthrower

Category: Snow throwers

Type: User manual

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Toro Power Clear 721 QZR Snowthrower User manual

Toro Power Clear 721 QZR Snowthrower User manual

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