Toro Power Clear 721 QZE Snowthrower User manual

Brand: Toro

Model: Power Clear 721 QZE Snowthrower

Category: Snow throwers

Type: User manual

This manual is also suitable for

Power Clear 721 QZE

FormNo.3415-630RevB

PowerClear®721QZESnowthrower

ModelNo.38744—SerialNo.402082000andUp

Operator'sManual

Introduction

Thismachineisintendedtobeusedbyresidential

homeowners.Itisdesignedprimarilyforremoving

snowfrompavedsurfaces,suchasdrivewaysand

sidewalks,andothersurfacesfortrafconresidential

orcommercialproperties.Itisnotdesignedfor

removingmaterialsotherthansnow,norisitdesigned

forclearingoffgravelsurfaces.

Note:Themachinemayleaverubbermarkson

newbrushedorlight-coloredconcrete.T estonan

inconspicuouslocationbeforeuse.

Readthisinformationcarefullytolearnhowtooperate

andmaintainyourproductproperlyandtoavoid

injuryandproductdamage.Youareresponsiblefor

operatingtheproductproperlyandsafely.

YoumaycontactTorodirectlyatwww.T oro.com

forproductsafetyandoperationtrainingmaterials,

accessoryinformation,helpndingadealer,orto

registeryourproduct.

Wheneveryouneedservice,genuineT oroparts,or

additionalinformation,contactanAuthorizedService

DealerorToroCustomerServiceandhavethemodel

andserialnumbersofyourproductready.Figure1

identiesthelocationofthemodelandserialnumbers

ontheproduct.Writethenumbersinthespace

provided.

Important:Withyourmobiledevice,youcan

scantheQRcodeontheserialnumberdecal(if

equipped)toaccesswarranty,parts,andother

productinformation.

g216757

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas

safetymessagesidentiedbythesafety-alertsymbol

(Figure2),whichsignalsahazardthatmaycause

seriousinjuryordeathifyoudonotfollowthe

recommendedprecautions.

g000502

Figure2

Safety-alertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

8111LyndaleAvenueSouth

Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedinMexico

AllRightsReserved

*3415-630*B

WARNING

CALIFORNIA

Proposition65Warning

Thisproductcontainsachemical

orchemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orreproductiveharm.

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Important:Ifyouareusingthismachineabove

1500m(5,000ft)foracontinuousperiod,ensure

thattheHighAltitudeKithasbeeninstalled

sothattheenginemeetsCARB/EPAemission

regulations.TheHighAltitudeKitincreases

engineperformancewhilepreventingspark-plug

fouling,hardstarting,andincreasedemissions.

Onceyouhaveinstalledthekit,attachthe

high-altitudelabelnexttotheserialdecalonthe

machine.ContactanyAuthorizedToroService

DealertoobtaintheproperHighAltitudeKitand

high-altitudelabelforyourmachine.Tolocate

adealerconvenienttoyou,accessourwebsite

atwww.Toro.comorcontactourToroCustomer

CareDepartmentatthenumber(s)listedinyour

EmissionControlWarrantyStatement.Remove

thekitfromtheengineandrestoretheengineto

itsoriginalfactorycongurationwhenrunningthe

engineunder1500m(5,000ft).Donotoperatean

enginethathasbeenconvertedforhigh-altitude

useatloweraltitudes;otherwise,youcould

overheatanddamagetheengine.

Ifyouareunsurewhetherornotyourmachinehas

beenconvertedforhigh-altitudeuse,lookforthe

followinglabel(Figure3).

decal127-9363

Figure3

Contents

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

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

GeneralSafety...................................................3

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

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

UnfoldingtheHandle..........................................4

InstallingtheDischargeChute............................4

FillingtheEnginewithOil....................................4

AdjustingtheControlCable................................4

ProductOverview.....................................................5

Operation..................................................................5

BeforeOperation...................................................5

BeforeOperationSafety.....................................5

FillingtheFuelT ank............................................6

CheckingtheEngine-OilLevel............................6

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

DuringOperationSafety.....................................7

StartingtheEngine.............................................7

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

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

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

AdjustingtheDischargeChuteandChute

Deector.........................................................9

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

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

AfterOperation....................................................10

AfterOperationSafety......................................10

Maintenance............................................................11

RecommendedMaintenanceSchedule(s)............11

MaintenanceSafety...........................................11

AdjustingtheControlCable...............................11

InspectingtheRotorBlades..............................12

ChangingtheEngineOil...................................13

ServicingtheSparkPlug...................................14

ReplacingtheDriveBelt...................................15

AdjustingtheQuickShootControl....................16

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

StoringtheMachine..........................................18

Safety

GeneralSafety

ThismachinecomplieswithANSIB71.3specications.

•Readandunderstandthecontentsofthis

Operator’sManualbeforeyoustarttheengine.

Ensurethateveryoneusingthisproductknows

howtousetheproductandunderstandsthe

warnings.

•Donotputyourhandsorfeetnearmoving

componentsonthemachine.

•Donotoperatethemachinewithoutallguards

andothersafetyprotectivedevicesinplaceand

workingonthemachine.

•Keepclearofanydischargeopening.Keep

bystandersasafedistanceawayfromthe

machine.

•Keepchildrenoutoftheoperatingarea.Never

allowchildrentooperatethemachine.

•Shutofftheenginebeforeunclogging,servicing,

orfuelingthemachine.

Youcanndadditionalsafetyinformationwhere

neededthroughoutthismanual.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea

ofpotentialdanger.Replaceanydecalthatisdamagedormissing.

decal94-2577

94-2577

1.Toengagetherotorblades,holdthecontrolbaragainst

thehandle.

2.Todisengagetherotorblades,releasethecontrolbar.

decal115-5698

115-5698

OrderPartNo.117-9121

1.Cutting/dismembermenthazardsofhandorfoot,impeller

andauger—donotplaceyourhandinthechute;remove

theignitionkeyandreadtheinstructionsbeforeservicing

orperformingmaintenance.

decal117-9103

117-9103(Model38742only)

OrderPartNo.117-6046

1.Warning—readthe

Operator'sManual.

6.Engineswitchoff

2.Cutting/dismemberment

hazard,impeller—shutoff

theengineandwaitfor

theaugertostopbefore

leavingthemachine.

7.Primer

3.Thrownobject

hazard—keepbystanders

asafedistanceawayfrom

themachine.

8.Pushtheprimer3timesto

primetheengine.

4.Fuelspillhazard—donot

tipmachinebackward.

9.ReadtheOperator's

Manualbeforechecking

theengine-oillevel.

5.Engineswitchon10.Plugthemachineinto

powertheelectricstarter.

Setup

UnfoldingtheHandle

g216205

InstallingtheDischarge

Chute

g216204

FillingtheEnginewithOil

g216207

AdjustingtheControlCable

RefertoAdjustingtheControlCable(page11).

ProductOverview

g011431

Figure7

1.Chute-deectortrigger

8.Electric-startbutton

2.Dischargechute9.Ignitionkey

3.Fuel-tankcap

10.Chokelever

4.Controlbar

11.Oil-drainplug

5.QuickShoot™control12.Oil-llcap

6.Recoil-starthandle

13.Chutedeector

7.Primer

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

BeforeOperation

BeforeOperationSafety

•Forelectric-startmodelsonly:Useextension

cordsandreceptaclesasspeciedinthemanual.

Thoroughlyinspecttheelectricalcordbefore

pluggingitintoapowersource.Ifthecordis

damaged,donotuseit.Replacethedamaged

cord.Unplugthepowercordwheneveryouare

notstartingthemachine.

•Wearadequatewintergarmentswhenever

youoperatethemachine.Wearsubstantial,

slip-resistantfootwearthatimprovesfootingon

slipperysurfaces.Avoidloose-ttingclothingthat

cangetcaughtinmovingparts.

•Alwaysweareyeprotectionduringoperationor

whileperforminganadjustmentorrepairtoprotect

youreyesfromforeignobjectsthatthemachine

maythrow.

•Thoroughlyinspecttheareawhereyouwillusethe

machine,andremovealldoormats,sleds,boards,

wires,andotherforeignobjects.

•Ifashield,safetydevice,ordecalisdamaged,

illegible,ormissing,repairorreplaceitbefore

beginningoperation.Alsotightenanyloose

fasteners.

DANGER

Fuelisextremelyammableandexplosive.A

reorexplosionfromfuelcanburnyouand

others.

•Topreventastaticchargefromignitingthe

fuel,placethecontainerand/ormachineon

thegroundbeforelling,notinavehicle

oronanobject.

•Fillthetankoutdoorswhentheengineis

cold.Wipeupspills.

•Donothandlefuelwhensmokingor

aroundanopenameorsparks.

•Storefuelinanapprovedfuelcontainer,

outofthereachofchildren.

•Donottipthemachineeitherforward

orbackwardwithfuelinthefueltank;

otherwise,fuelmayleakoutofthe

machine.

FillingtheFuelTank

•Forbestresults,useonlyclean,fresh(lessthan

30daysold),unleadedgasolinewithanoctane

ratingof87orhigher((R+M)/2ratingmethod).

•Oxygenatedfuelwithupto10%ethanolor15%

MTBEbyvolumeisacceptable.

•Donotuseethanolblendsofgasoline(such

asE15orE85)withmorethan10%ethanolby

volume.Performanceproblemsand/orengine

damagemayresultwhichmaynotbecovered

underwarranty.

•Donotusegasolinecontainingmethanol.

•Donotstorefueleitherinthefueltankorfuel

containersoverthewinterunlessyouuseafuel

stabilizer.

•Donotaddoiltogasoline.

Donotllabovethebottomofthefueltankneck

(Figure8).

g216203

Figure8

Note:Forbestresults,purchaseonlythequantity

offuelthatyouexpecttousein30days.Otherwise,

youmayaddfuelstabilizertonewlypurchasedfuelto

keepitfreshforupto6months.

CheckingtheEngine-Oil

Level

ServiceInterval:Beforeeachuseordaily

g217728

Figure9

DuringOperation

DuringOperationSafety

•Shutofftheenginebeforeuncloggingthe

machineandalwaysuseastickorthe

snow-cleanouttool(ifprovided).

•Arotatingaugercaninjurehandsorfeet.Stay

behindthehandlesandawayfromthedischarge

openingwhileoperatingthemachine.Keepyour

face,hands,feet,andanyotherpartofyour

bodyorclothingawayfrommovingorrotating

parts.

•Neverdirectthedischargetowardpeopleorareas

wherepropertydamagecanoccur.

•Exercisecautiontoavoidslippingorfalling.

Alwaysbesureofyourfooting,andkeeparm

holdonthehandles.Walk;neverrun.

•Exerciseextremecautionwhenoperatingon

slopes.

•Neveroperatethemachinewithoutgoodvisibility

orlight.

•Donotoperatethemachinewhileill,tired,or

undertheinuenceofalcoholordrugs.

•Lookbehindandusecarewhenbackingupwith

themachine.

•Whennotactivelyclearingsnow,disengagepower

totheauger.

•Exerciseextremecautionwhenoperatingonor

crossinggraveldrives,walks,orroads.Stayalert

forhiddenhazardsortrafc.

•Neverattempttomakeanyadjustmentswhilethe

engineisrunning.

•Afterstrikingaforeignobject,shutofftheengine,

removetheignitionkey(electric-startmodels

only),thoroughlyinspectthemachineforany

damage,andrepairthedamagebeforestarting

andoperatingthemachine.

•Ifthemachineshouldstarttovibrateabnormally,

shutofftheengineandcheckforthecause.

•Donotruntheengineindoorsunlessthereis

adequateventilation(e.g.,leavinganoutsidedoor

open);exhaustfumesaredangerous.

•Donotoverloadthemachinecapacityby

attemptingtoclearsnowattoofastarate.

•Nevertouchahotengineormufer.

StartingtheEngine

1.TurntheignitionkeyclockwisetotheONposition

(Figure10).

g011434

Figure10

2.Pulloutthechokelever(Figure11andFigure

12).

g006392

Figure11

1.Chokelever

g013819

Figure12

1.Symbolsonthechokeleverindicatingtopulloutthechoke

levertoactivatethechoke.

3.Firmlypushintheprimerwithyourthumbas

indicatedbythetablebelow,holdinginthe

primerinforasecondbeforereleasingiteach

time(Figure13).

Temperature

SuggestedNumberof

Primes

-23°C(-10°F)andabove

Below-23°C(-10°F)

g006453

Figure13

Note:Removeyourglovewhenyoupushin

theprimersothataircannotescapefromthe

primerhole.

Important:Donotusetheprimerorthe

chokeiftheenginehasbeenrunningandis

hot.Excessiveprimingmayoodtheengine

andpreventitfromstarting.

4.Connectanextensioncordtoapowersource

andthemachine,andpushtheelectric-start

button(electric-startmodelsonly)asshownin

Figure14,orpulltherecoil-starthandle(Figure

15).

g014366

Figure14

Note:UseonlyaUL-listed,16-gaugeextension

cordthatisrecommendedforoutdooruseand

isnotlongerthan15m(50ft).

WARNING

Theelectricalcordcanbecomedamaged,

causingashockorre.

Thoroughlyinspecttheelectricalcord

beforepluggingitintoapowersource.

Ifthecordisdamaged,donotuseitto

startthemachine.Replaceorrepairthe

damagedcordimmediately.Contactan

AuthorizedServiceDealerforassistance.

g006455

Figure15

Important:Runtheelectricstarternomore

than10timesatintervalsof5secondson,

then5secondsoff.Runningtheelectric

starterextensivelycanoverheatanddamage

it.Iftheenginedoesnotstartafterthis

seriesofattempts,waitatleast40minutes

toallowthestartertocoolbeforeattempting

tostartitagain.Iftheenginedoesnotstart

afterthesecondseriesofattempts,takethe

machinetoanAuthorizedServiceDealerfor

service(electric-startmodelsonly).

Note:Ifyoupulltherecoilhandleandfeelno

resistance,thestartermaybefrozen.Thaw

outthestarterbeforeattemptingtostartthe

machine.

5.Whiletheengineisrunning,pushinthechoke

leverslowly.

6.Unplugtheextensioncordfromthepower

sourceandthemachine(electric-startmodels

only).

CAUTION

Ifyouleavethemachinepluggedintoapower

source,someonecaninadvertentlystart

themachineandinjurepeopleordamage

property(electric-startmodelsonly).

Unplugthepowercordwheneveryouarenot

startingthemachine.

EngagingtheRotorBlades

Toengagetherotorblades,holdthecontrolbar

againstthehandle(Figure16).

g216251

Figure16

DisengagingtheRotor

Blades

Todisengagetherotorblades,releasethecontrolbar

(Figure17).

g006457

Figure17

ShuttingOfftheEngine

Toshutofftheengine,turntheignitionkey

counterclockwisetotheOFFposition(Figure18).

g011433

Figure18

AdjustingtheDischarge

ChuteandChuteDeector

Toadjustthedischargechute,pressthetriggerofthe

QuickShoot™controlontherightsideofthehandle

andmoveitupordownalongthehandle.Movingthe

controldownthehandlerotatesthedischargechute

totheleft;movingthecontrolupthehandlerotates

thedischargechutetotheright(Figure19).

g006399

Figure19

Toraiseorlowertheangleofthechutedeector,

pressthetriggeronthechutedeectorandmovethe

chutedeectorupordown(Figure20).

g006398

Figure20

1.Chute-deectortrigger2.Chutedeector

ClearingaClogged

DischargeChute

Toclearthechute:

•Shuttheengineoff!

•Wait10secondstoensurethattherotorblades

havestoppedrotating.

•Alwaysuseaclean-outtool;neveruseyourhands.

OperatingTips

WARNING

Therotorbladescanthrowstones,toys,

andotherforeignobjectsandcauseserious

personalinjurytoyouorbystanders.

•Keeptheareatobeclearedfreeofall

objectsthattherotorbladescouldpickup

andthrow.

•Keepallchildrenandpetsawayfromthe

areaofoperation.

•Removethesnowassoonaspossibleafteritfalls.

•Overlapeachswathtoensurecompletesnow

removal.

•Dischargethesnowdownwindwheneverpossible.

•Ifthemachinedoesnotpropelitselfforwardon

slipperysurfacesorinheavysnow,pushforward

onthehandle,butallowthemachinetoworkat

itsownpace.

AfterOperation

AfterOperationSafety

•Neverstorethemachinewithfuelinthefuel

tankinsideabuildingwhereignitionsourcesare

present,suchashotwaterheaters,spaceheaters,

orclothesdryers.Allowtheenginetocoolbefore

storinginanyenclosure.

•Whenstoringthemachineformorethan30days,

refertoStorage(page18)forimportantdetails.

Maintenance

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

MaintenanceProcedure

Afterthersthour

•Checkthecontrolcableandadjustitifnecessary.

•Checkforloosefastenersandtightenthemifnecessary.

Aftertherst2hours

•Changetheengineoil.

Beforeeachuseordaily

•Checktheengine-oillevelandaddoilifnecessary.

Yearly

•Checkthecontrolcableandadjustitifnecessary.

•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor

bladesandscraperifnecessary.

•Changetheengineoil.

•Servicethesparkplugandreplaceitifnecessary.

•Checkforloosefastenersandtightenthemifnecessary.

•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.

Yearlyorbeforestorage

•Preparethemachineforstorage.

MaintenanceSafety

Readthefollowingsafetyprecautionsbefore

performinganymaintenanceonthemachine:

•Beforeperforminganymaintenance,service,or

adjustment,shutofftheengineandremovethe

key.Ifmajorrepairsareeverneeded,contactan

AuthorizedServiceDealer.

•Checkallfastenersatfrequentintervalsforproper

tightnesstoensurethatthemachineisinsafe

workingcondition.

•Donotchangethegovernorsettingsontheengine.

•PurchaseonlygenuineT ororeplacementparts

andaccessories.

AdjustingtheControlCable

CheckingtheControlCable

ServiceInterval:Afterthersthour—Checkthe

controlcableandadjustitif

necessary.

Yearly—Checkthecontrolcableandadjustit

ifnecessary.

Movethecontrolbarbacktowardthehandleto

removetheslackinthecontrolcable(Figure21).

g006401

Figure21

1.Controlbar2.2mmto3mm(1/16inch

to1/8inch)gap

Note:Ensurethata2to3mm(1/16to1/8inch)

gapexistsbetweenthecontrolbarandthehandle

(Figure21).

Important:Thecontrolcablemustcontainsome

slackwhenyoudisengagethecontrolbarforthe

rotorbladestostopproperly.

AdjustingtheControlCable

1.Slideupthespringcoverandunhookthespring

fromtheadjusterlink(Figure22).

g006402

Figure22

1.Adjusterlink

3.Springcover

2.Z-tting

4.Unhookthespringhere.

Note:Youcanpulluptheadjusterlinkand

cabletomakeunhookingthespringeasier.

2.MovetheZ-ttingtoahigherorlowerholeon

theadjusterlinkasneededtoobtainthe2to3

mm(1/16to1/8inch)gapbetweenthecontrol

barandthehandle(Figure21).

Note:MovingtheZ-ttinghigherdecreasesthe

gapbetweenthecontrolbarandthehandle;

movingitlowerincreasesthegap.

3.Hookthespringtotheadjusterlinkandslidethe

springcoverovertheadjusterlink.

4.Checktheadjustment;refertoCheckingthe

ControlCable(page11).

Note:Afterextendeduse,thedrivebeltmay

wearandloseitsproperbelttension.Ifthedrive

beltslips(continuouslysqueals)underaheavy

load,disconnectthespringfromtheadjustorlink

andmovetheupperendofthespringtothehole

thatisfurtherfromthepivotpointinthecontrol

bar(Figure23).Thenconnectthespringtothe

adjustorlinkandadjustthecontrolcable.

g006587

Figure23

1.Removetheupperendof

springfromthishole.

3.Pivotpoint

2.Inserttheupperendof

springintothishole.

4.Upperendofspring

Note:Thebeltmayslip(squeal)inwet

conditions;todryoutthedrivesystem,startthe

rotorandrunitwithoutaloadfor30seconds.

InspectingtheRotorBlades

ServiceInterval:Yearly—Inspecttherotorblades

andhaveanAuthorizedService

Dealerreplacetherotorbladesand

scraperifnecessary.

Beforeeachsession,inspecttherotorbladesfor

wear.Whenarotor-bladeedgehasworndownto

thewear-indicatorhole,haveanAuthorizedService

Dealerreplacetherotorbladesandthescraper

(Figure24).

g011544

Figure24

1.Thewear-indicatorholeis

intact;youdonotneedto

replacetherotorblades.

2.Thewear-indicatorholeis

exposed;replacetherotor

bladesandscraper.

ChangingtheEngineOil

ServiceInterval:Aftertherst2hours

Yearly

Ifpossible,runtheengineforafewminutesbefore

changingtheoiltowarmit.Warmoilowsbetterand

carriesmorecontaminants.

EngineOilSpecications

Engineoilcapacity

0.60L(20oz)

OilviscosityRefertoFigure27.

APIserviceclassicationSJorhigher

1.Siphonthefuelfromthefueltankintoan

approvedfuelcontainer,orruntheengineuntil

itshutsoff.

2.Movethemachinetoalevelsurface.

3.Placeanoil-drainpanundertheoil-drainplug,

removetheplug,andtipthemachinebackward

anddraintheusedoilinthepan(Figure25).

g006372

Figure25

4.Afterdrainingtheusedoil,returnthemachineto

theoperatingposition.

5.Installtheoil-drainplugandtightenitsecurely.

6.Cleanaroundtheoil-llcap(Figure26).

g006316

Figure26

1.Oil-llcap

7.Unscrewtheoil-llcapandremoveit(Figure

26).

8.Withthemachineintheoperatingposition,

carefullypouroilintotheoil-llholetothepoint

ofoverow(Figure28).

Note:Youmaytipthemachineforward(handle

up)tomakeaddingoileasier.Rememberto

returnthemachinetotheoperatingposition

beforecheckingtheoillevel.

Important:Donottipthemachineallthe

wayforwardontoitsnose,orfuelmayleak

outofthemachine.

UseFigure27belowtoselectthebestoil

viscosityfortheoutdoortemperaturerange

expected.

g011606

Figure27

g006374

Figure28

9.Wait3minutesfortheoiltosettleandadd

enoughoiltobringittothepointofoverow.

10.Screwtheoil-llcapintotheoil-llhole,and

tightenitsecurelybyhand.

11.Wipeupanyspilledoil.

12.Disposeoftheusedoilproperlyatalocal

recyclingcenter.

ServicingtheSparkPlug

ServiceInterval:Yearly—Servicethesparkplugand

replaceitifnecessary.

UseaNGKBPR6ESorChampionRN9YCspark

plugorequivalent.

1.Shutofftheengineandwaitforallmovingparts

tostop.

2.Rotatethedischargechutesothatitfaces

forward.

3.Removethedischargechute,the

discharge-chutehandle,andthechute

sealbyremovingthe3largescrewsand1small

screw(Figure29).

g006489

Figure29

1.Fuel-tankcap

4.Smallscrew

2.Largescrews(3)5.Chuteseal

3.Dischargechute

4.Removethe4screwsthatsecuretheshroud

(Figure30).

g011435

Figure30

1.Screw(4)3.Sparkplug

2.Shroud4.Spark-plugwire

5.Removethefuel-tankcap.

6.Removetheshroud(Figure30).

7.Installthefuel-tankcap.

8.Disconnectthewirefromthesparkplug.

9.Cleanaroundthesparkplug.

10.Removethesparkplugfromthecylinderhead.

Important:Replaceacracked,fouled,or

dirtysparkplug.Donotcleantheelectrodes

becausegritenteringthecylindercan

damagetheengine.

11.Setthegapontheplugto0.76mm(0.030inch)

asshowninFigure31.

g000533

Figure31

1.Center-electrodeinsulator3.Airgap(nottoscale)

2.Sideelectrode

12.Installthesparkplugandtorqueitto27to30

N∙m(20to22ft-lb).

13.Connectthewiretothesparkplug.

Note:Ensurethatthebreathertubeisrouted

abovethespark-plugwireasshowninFigure

32.

g011440

Figure32

1.Breathertube

2.Carburetor-drainbolt

14.Removethefuel-tankcap.

15.Installtheshroudwiththescrewsthatyou

removedinstep4.

Note:Ensurethattheupperandlowershrouds

ttogetherinthesidegrooves.

16.Installthefuel-tankcap.

17.Installthechuteseal,dischargechute,and

discharge-chutehandleontothemachineusing

thehardwarethatyouremovedinstep3.

Note:Thesmallscrewgoesthroughthe

smallholeinthechutesealatthefrontofthe

discharge-chuteopening.

ReplacingtheDriveBelt

Ifthedrivebeltbecomesworn,oil-soaked,excessively

cracked,frayed,orotherwisedamaged,replacethe

belt.

1.Removethedrive-beltcoverbyremovingthe3

boltsasshowninFigure33.

g008238

Figure33

1.Drive-beltcover6.Drivebelt

2.Bolt(3)7.Rotorshaft

3.Rotor-pulleybolt

8.Brakespring(unhookfrom

idlerarmhere)

4.Curvedwasher

9.Idlerpulley

5.Rotorpulley10.Enginepulley

2.Unhookthebrakespringfromtheidlerarmto

releasethebelttension(Figure33).

3.Removethescrewandcurvedwasherthat

holdstherotorpulley(Figure33).

4.Removetherotorpulleyandthedrivebelt

(Figure33).

5.Installthenewdrivebelt,routingitasshownin

Figure34.

g008317

Figure34

1.Brakespring(installon

idlerarmhere)

3.Enginepulley

2.Idlerpulley4.Rotorpulley

Note:Routethenewdrivebeltrstaroundthe

enginepulley,thentheidlerpulley,andnally

aroundthelooserotorpulleypositionedjust

abovetherotorshaft(Figure33).

6.Installtherotorpulleyontotherotorshaft(Figure

33).

7.Installthecurvedwasherandtherotor-pulley

boltandtightenthemsecurely(Figure33).

Note:Theconcavesideofthecurvedwasher

goesagainsttheoutsideofthepulley.

8.Installthebrakespringontotheidlerarm(Figure

34).

9.Installthedrive-beltcoverwiththeboltsthatyou

removedinstep1.

Note:Ensurethatthedrivebeltisproperly

adjustedandoperating;refertoCheckingthe

ControlCable(page11)andAdjustingthe

ControlCable(page12).

AdjustingtheQuickShoot

Control

Ifthereismorethan13mm(1/2inch)ofslackinthe

QuickShootcable(Figure35)orthedischargechute

doesnotrotateleftandrightinequalangles,adjust

theQuickShootcontrolcables.

g006514

Figure35

1.13mm(1/2inch)maximumslack

1.Loosenthe2QuickShootcontrol-cableclamps

(Figure36).

g006406

Figure36

1.Cableclamps

2.PositiontheQuickShootcontrolbetweenthe

2arrowslocatedontherightsideoftheupper

handle(Figure37).

g006405

Figure37

1.Arrows

3.Rotatethedischargechutesothatitfaces

straightaheadandthearrowonthebackofthe

dischargechutealignswiththearrowonthe

shroud(Figure38).

g006521

Figure38

4.Holdthedischargechuteinthestraight-ahead

position,pullthelowercablecasingdownward

untilyouremovetheslackinthecable,and

tightenthescrewonthelowercableclamp

securely(Figure39).

g006512

Figure39

1.Lowercablecasing

5.Pulltheuppercablecasingforwarduntilyou

removetheslackinthecable,andtightenthe

screwontheuppercableclampsecurely(Figure

40).

g006513

Figure40

1.Uppercablecasing

Note:Donotover-tensionthecables.Ifthe

cablesareover-tensioned,theQuickShootwill

behardtooperate.

Storage

StoringtheMachine

WARNING

Fuelfumesarehighlyammable,explosive,

anddangerousifinhaled.Ifyoustorethe

productinanareawithanopename,thefuel

fumesmayigniteandcauseanexplosion.

•Donotstorethemachineinahouse(living

area),basement,oranyotherareawhere

ignitionsourcesmaybepresent,such

ashotwaterandspaceheaters,clothes

dryers,furnaces,andotherappliances.

•Donottipthemachineeitherforward

orbackwardwithfuelinthefueltank;

otherwise,fuelmayleakoutofthe

machine.

•Donotstorethemachinewithitshandle

tippeddownontotheground;otherwise,

oilleaksintotheenginecylinderandonto

theground,andtheenginedoesnotstart

orrun.

1.Onthelastrefuelingoftheseason,addfuel

stabilizertofreshfuelasdirectedbythe

fuel-stabilizermanufacturer.

Important:Donotstorefuellonger

thanthatsuggestedbythefuel-stabilizer

manufacturer.

2.Runtheenginefor10minutestodistributethe

conditionedfuelthroughthefuelsystem.

3.Shutofftheengine,allowittocool,andsiphon

thefueltankorruntheengineuntilitshutsoff.

4.Starttheengineandrunituntilitshutsoff.

5.Chokeorprimetheengine,startitathirdtime,

andruntheengineuntilitdoesnotstart.

6.Drainthefuelinthecarburetorthroughthe

carburetor-drainbolt(Figure34)intoan

approvedgasolinecontainer.

7.Disposeofunusedfuelproperly.Recycleit

accordingtolocalcodes,oruseitinyour

automobile.

8.Whiletheengineisstillwarm,changetheengine

oil.RefertoChangingtheEngineOil(page13).

9.Removethesparkplug.

10.Squirt10ml(2tsp)ofoilintothespark-plughole.

11.Installthesparkplugbyhandandthentorqueit

to27to30N∙m(20to22ft-lb).

12.WiththeignitionkeyintheOFFposition,pullthe

recoil-starthandleslowlytodistributetheoilon

theinsideofthecylinder.

13.Cleanthemachine.

14.Touchupchippedsurfaceswithpaintavailable

fromanAuthorizedServiceDealer.Sand

affectedareasbeforepainting,andusearust

preventativetopreventthemetalpartsfrom

rusting.

15.Tightenanyloosefasteners.Repairorreplace

anydamagedparts.

16.Coverthemachineandstoreitinaclean,dry

placeoutofthereachofchildren.Allowthe

enginetocoolbeforestoringthemachineinany

enclosure.

Notes:

Toro Power Clear 721 QZE Snowthrower User manual

Brand: Toro

Model: Power Clear 721 QZE Snowthrower

Category: Snow throwers

Type: User manual

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Power Clear 721 QZE

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Toro Power Clear 721 QZE Snowthrower User manual

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