Toro Power Clear 721 R-C Commercial Snowthrower User manual

FormNo.3396-741RevA

PowerClear

721R-CCommercialSnowthrower

ModelNo.38751—SerialNo.316000001andUp

Operator'sManual

WARNING

CALIFORNIA

Proposition65Warning

Thisproductcontainsachemicalorchemicals

knowntotheStateofCaliforniatocausecancer,

birthdefects,orreproductiveharm.

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Introduction

Thismachineisintendedtobeusedbyresidential

homeownersorprofessional,hiredoperators.Itis

designedforremovingsnowfrompavedsurfaces,

suchasdrivewaysandsidewalks,andothersurfaces

onresidentialorcommercialproperties.Itisnot

designedforremovingmaterialsotherthansnow,noris

itdesignedforclearingoffgravelsurfaces.

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.

G016241

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhassafety

messagesidentiedbythesafetyalertsymbol(Figure2),

whichsignalsahazardthatmaycauseseriousinjuryordeath

ifyoudonotfollowtherecommendedprecautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanicalinformation

andNoteemphasizesgeneralinformationworthyofspecial

attention.

Contents

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

Safety...........................................................................2

Training.................................................................2

Preparation.............................................................2

Operation...............................................................2

ClearingaCloggedDischargeChute..........................3

MaintenanceandStorage..........................................3

8111LyndaleAvenueSouth

Bloomington,MN55420

Registeratwww.Toro.com.

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

*3396-741*A

ToroSnowthrowerSafety.........................................3

SafetyandInstructionalDecals.................................5

Setup............................................................................6

1UnfoldingtheHandle............................................6

2InstallingtheDischargeChute................................6

3FillingtheEnginewithOil......................................7

4AdjustingtheControlCable...................................7

ProductOverview..........................................................8

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

FillingtheFuelTank................................................9

CheckingtheEngine-OilLevel..................................9

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

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

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

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

AdjustingtheDischargeChute.................................11

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

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

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

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

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

AdjustingtheControlCable.....................................14

InspectingtheRotorBlades.....................................15

ChangingtheEngineOil.........................................15

ServicingtheSparkPlug..........................................16

ReplacingtheDriveBelt..........................................18

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

StoringtheSnowthrower.........................................19

Safety

Readandunderstandthecontentsofthismanualbefore

youstarttheengine.

ThesafetyalertsymbolshowninFigure2isusedto

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.

•Donotattempttoclearsnowfromagravelorcrushed

rocksurface.Thismachineisintendedforuseonlyon

pavedsurfaces.

•Neverattempttomakeanyadjustmentswhiletheengine

isrunning(exceptwhenspecicallyrecommendedby

manufacturer).

•Alwayswearsafetyglassesoreyeshieldsduringoperation

orwhileperforminganadjustmentorrepairtoprotect

eyesfromforeignobjectsthatmaybethrownfromthe

machine.

Operation

•Donotputhandsorfeetnearorunderrotatingparts.

Keepclearofthedischargeopeningatalltimes.

•Exerciseextremecautionwhenoperatingonorcrossing

graveldrives,walks,orroads.Stayalertforhidden

hazardsortrafc.

•Afterstrikingaforeignobject,stoptheengine,remove

theignitionkey,thoroughlyinspectthemachineforany

damage,andrepairthedamagebeforerestartingand

operatingthemachine.

•Ifthemachineshouldstarttovibrateabnormally,stopthe

engineandcheckimmediatelyforthecause.Vibrationis

generallyawarningoftrouble.

•Stoptheenginewheneveryouleavetheoperating

position,beforeuncloggingtherotorbladehousing

ordischargechute,andwhenmakinganyrepairs,

adjustmentsorinspections.

•Whencleaning,repairing,orinspectingthemachine,stop

theengineandmakecertainthattherotorbladesandall

movingpartshavestopped.

•Donotruntheengineindoors,exceptwhenstarting

theengineandfortransportingthemachineinorout

ofthebuilding.Opentheoutsidedoors;exhaustfumes

aredangerous.

•Exerciseextremecautionwhenoperatingonslopes.

•Neveroperatethemachinewithoutproperguardsand

othersafetyprotectivedevicesinplaceandworking.

•Neverdirectthedischargetowardpeopleorareaswhere

propertydamagecanoccur.Keepchildrenandothers

away.

•Donotoverloadthemachinecapacitybyattemptingto

clearsnowattoofastarate.

•Lookbehindandusecarewhenbackingupwiththe

machine.

•Disengagepowertotherotorbladeswhenmachineis

transportedornotinuse.

•Neveroperatethemachinewithoutgoodvisibilityor

light.Alwaysbesureofyourfooting,andkeeparm

holdonthehandles.Walk;neverrun.

•Nevertouchahotengineormufer(Figure3).

Figure3

1.Symbolstampedontheexhaustbafeindicatingahot

surface.

ClearingaCloggedDischarge

Chute

Handcontactwiththerotatingrotorbladesinsidethe

dischargechuteisthemostcommoncauseofinjury

associatedwithsnowthrowers.Neveruseyourhandtoclean

outthedischargechute.

Toclearthechute:

•EnsurethattheengineisintheOffposition.

•Wait10secondstobesuretherotorbladeshavestopped

rotating.

•Alwaysuseaclean-outtool,notyourhands.

MaintenanceandStorage

•Checkallfastenersatfrequentintervalsforproper

tightnesstobesurethemachineisinsafeworking

condition.

•Neverstorethemachinewithfuelinthefueltankinsidea

buildingwhereignitionsourcesarepresent,suchashot

waterheaters,spaceheaters,orclothesdryers.Allowthe

enginetocoolbeforestoringinanyenclosure.

•AlwaysrefertotheOperator’sManualforimportantdetails

ifthemachineistobestoredforanextendedperiod.

•Maintainorreplacesafetyandinstructionlabels,as

necessary.

•Runthemachineafewminutesafterthrowingsnowto

preventfreeze-upoftherotorblades.

ToroSnowthrowerSafety

ThefollowinglistcontainssafetyinformationspecictoToro

productsorothersafetyinformationthatyoumustknow.

•Rotatingrotorbladescaninjurengersorhands.

Staybehindthehandlesandawayfromthedischarge

openingwhileoperatingthemachine.Keepyourface,

hands,feet,andanyotherpartofyourbodyor

clothingawayfrommovingorrotatingparts.

•Beforeadjusting,cleaning,repairing,andinspectingthe

machine,andbeforeuncloggingthedischargechute,stop

theengine,removethekey,andwaitforallmoving

partstostop.

•Beforeleavingtheoperatingposition,stoptheengine,

removetheignitionkey,andwaitforallmovingpartsto

stop.

•Ifashield,safetydevice,ordecalisdamaged,illegible,or

lost,repairorreplaceitbeforebeginningoperation.Also,

tightenanyloosefasteners.

•Donotsmokewhilehandlinggasoline.

•Donotusethemachineonaroof.

•Donottouchtheenginewhileitisrunningorsoonafter

ithasstoppedbecausetheenginemaybehotenoughto

causeaburn.

•Performonlythosemaintenanceinstructionsdescribedin

thismanual.Beforeperforminganymaintenance,service,

oradjustment,stoptheengineandremovethekey.If

majorrepairsareeverneeded,contactanAuthorized

ServiceDealer.

•Donotchangethegovernorsettingsontheengine.

•Whenstoringthemachineformorethan30days,drain

thefuelfromthefueltanktopreventapotentialhazard.

Storefuelinanapprovedfuelcontainer.Removethekey

fromtheignitionswitchbeforestoringthemachine.

•PurchaseonlygenuineTororeplacementpartsand

accessories.

SafetyandInstructionalDecals

Important:Safetyandinstructionaldecalsarelocatednearareasofpotentialdanger.Replacedamageddecals.

94-2577

1.Toengagetherotorblades,holdthecontrolbaragainst

thehandle.

2.Todisengagetherotorblades,releasethecontrolbar.

115-5660

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—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

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Bolt2

Nut2

Unfoldthehandle.

Dischargechute1

Chutehandle

Phillipsheadbolts3

Washers3

Locknuts3

Installthedischargechute.

UnfoldingtheHandle

Partsneededforthisprocedure:

2Bolt

2Nut

Procedure

1.Rotatethehandletotheoperatingposition,install2

nutsand2bolts,thentightenthe2nutsand2bolts

alreadyinstalledholdingthehandleinplace(Figure4).

Figure4

2.Ensurethatyoudonotpinchorkinkthecontrolcable

(Figure5).

Figure5

1.Controlcable

InstallingtheDischargeChute

Partsneededforthisprocedure:

1Dischargechute

Chutehandle

3Phillipsheadbolts

3Washers

3Locknuts

Procedure

Installthedischargechuteasshown(Figure6).

Figure6

FillingtheEnginewithOil

NoPartsRequired

Procedure

Yourmachinedoesnotcomewithoilintheengine,butit

doescomewithabottleofoil.

Important:Beforestartingtheengine,lltheengine

withoil.

Note:Thebottleofoilmaycontainanounceortwomore

thantheenginerequires.Donotoverllorunderllthe

engine.

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

APIserviceclassicationofSJ,SL,orhigher.

UseFigure7belowtoselectthebestoilviscosityforthe

outdoortemperaturerangeexpected:

Figure7

1.Movethemachinetoalevelsurface.

2.Cleanaroundtheoil-llcap(Figure8).

Figure8

1.Oil-llcap

3.Unscrewtheoil-llcapandremoveit.

4.Withthemachineintheoperatingposition,carefully

pouroilintothecrankcase.Wait3minutesfortheoil

tosettleandaddenoughtobringittothepointof

overow .Thereshouldbeverylittle,ifany,oilleftin

thebottle.

Note:Youmaytipthemachineforward(handleup)

tomakeaddingoileasier.Remembertoreturnthe

machinetotheoperatingpositionbeforecheckingthe

oillevel.

Important:Donottipthemachinealltheway

forwardontoitsnose,orfuelmayleakoutofthe

machine.

5.Screwtheoil-llcapintotheoil-llholeandtightenit

securely.

AdjustingtheControlCable

NoPartsRequired

Procedure

RefertoAdjustingtheControlCable(page14).

ProductOverview

Figure9

1.Dischargechute6.Primer

2.Discharge-chutehandle7.Ignitionkey

3.Fuel-tankcap

8.Chokelever

4.Controlbar9.Oil-drainplug

5.Recoil-starthandle

10.Oil-llcap

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.

Figure10

1.6mm(1/4inch)

Note:Forbestresults,purchaseonlythequantityofgasoline

thatyouexpecttousein30days.Otherwise,youmayadd

fuelstabilizertonewlypurchasedgasolinetokeepitfreshfor

upto6months.

CheckingtheEngine-OilLevel

ServiceInterval:Beforeeachuseordaily—Checkthe

engine-oillevelandaddoilifnecessary.

1.Movethemachinetoalevelsurface.

2.Cleanaroundtheoil-llcap(Figure11).

Figure11

1.Oil-llcap

3.Unscrewtheoil-llcapandremoveit.

4.Iftheoillevelislow,keepthemachineintheoperating

positionandcarefullypouroilintothecrankcase

untilthepointofoverow.Wait3minutesfortheoil

tosettleandaddenoughtobringittothepointof

overow .(Max.ll:0.6L(20oz),type:automotive

detergentoilwithanAPIserviceclassicationofSJ,

SL,orhigher.)

Note:Youmaytipthemachineforward(handleup)

tomakeaddingoileasier.Remembertoreturnthe

machinetotheoperatingpositionbeforecheckingthe

oillevel.

Important:Donottipthemachinealltheway

forwardontoitsnose,orfuelmayleakoutofthe

machine.

5.Screwtheoil-llcapintotheoil-llholeandhand

tightenitsecurely.

StartingtheEngine

1.TurntheignitionkeyclockwisetotheOnposition

(Figure12).

Figure12

2.Pulloutthechokelever(Figure13andFigure14).

Figure13

1.Chokelever

Figure14

1.Symbolsonthechokeleverindicatingtopulloutthechoke

levertoactivatethechoke.

3.Firmlypushintheprimer3timeswithyourthumb,

holdingtheprimerinaforasecondbeforereleasingit

eachtime(Figure15).

Figure15

Note:Removeyourglovewhenyoupushinthe

primersothataircannotescapefromtheprimerhole.

Important:Donotusetheprimerorthechokeif

theenginehasbeenrunningandishot.Excessive

primingmayoodtheengineandpreventitfrom

starting.

4.Pulltherecoil-starthandle(Figure16).

Figure16

Note:Ifyoupulltherecoilhandleandfeelno

resistance,thestartermaybefrozen.Thawoutthe

starterbeforeattemptingtostartthemachine.

5.Whiletheengineisrunning,pushinthechokelever

slowly.

EngagingtheRotorBlades

Toengagetherotorblades,holdthecontrolbaragainstthe

handle(Figure17).

Figure17

1.Controlbar

DisengagingtheRotorBlades

Todisengagetherotorblades,releasethecontrolbar(Figure

18).

Figure18

StoppingtheEngine

Tostoptheengine,turntheignitionkeycounterclockwiseto

theOffposition(Figure19).

Figure19

AdjustingtheDischargeChute

Toadjustthedischargechute,movethechutehandleandthe

chutedeectorhandleasshown(Figure20).

Figure20

1.Chutehandle2.Chutedeectorhandle

ClearingaCloggedDischarge

Chute

Important:Handcontactwiththerotatingrotorblades

insidethedischargechuteisthemostcommoncauseof

injuryassociatedwithsnowthrowers.Neveruseyour

handtocleanoutthedischargechute.

Toclearthechute:

•EnsurethattheengineisintheOffposition.

•Wait10secondstobesuretherotorbladeshavestopped

rotating.

•Alwaysuseaclean-outtool,notyourhands.

PreventingFreeze-upafterUse

•Lettheenginerunforafewminutestopreventmoving

partsfromfreezing.Stoptheengine,waitforallmoving

partstostop,andremoveiceandsnowfromthemachine.

•Cleanoffanysnowandicefromthebaseofthechute.

•Rotatethedischargechuteleftandrighttofreeitfrom

anyicebuildup.

•WiththeignitionkeyintheOffposition,pulltherecoil

starterhandleseveraltimesorconnecttheelectricalcord

toapowersourceandthemachineandpushtheelectric

startbuttononcetopreventtherecoilstarterand/orthe

electricstarterfromfreezingup.

•Insnowyandcoldconditions,somecontrolsandmoving

partsmayfreeze.Donotuseexcessiveforcewhen

tryingtooperatefrozencontrols.Ifyouhavedifculty

operatinganycontrolorpart,starttheengineandletit

runforafewminutes.

G016654

Figure21

OperatingTips

WARNING

Therotorbladescanthrowstones,toys,andother

foreignobjectsandcauseseriouspersonalinjuryto

theoperatorortobystanders.

•Keeptheareatobeclearedfreeofallobjects

thattherotorbladescouldpickupandthrow.

•Keepallchildrenandpetsawayfromthearea

ofoperation.

•Removethesnowassoonaspossibleafteritfalls.

•Ifthemachinedoesnotpropelitselfforwardonslippery

surfacesorinheavysnow ,pushforwardonthehandle,

butallowthemachinetoworkatitsownpace.

•Overlapeachswathtoensurecompletesnowremoval.

•Dischargethesnowdownwindwheneverpossible.

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

MaintenanceProcedure

Afterthersthour

•Checkthecontrolcableandadjustitifnecessary.

•Checkforloosefastenersandtightenthemifnecessary.

Aftertherst2hours

•Changetheengineoil.

Beforeeachuseordaily

•Checktheengine-oillevelandaddoilifnecessary.

Every25hours

•Checkthecontrolcableandadjustitifnecessary.

•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor

bladesandscraperifnecessary.

Every50hours

•Changetheengineoil.

•Checkthesparkplugandreplaceitifnecessary.

•Replacethedrivebelt.

Yearly

•Checkthecontrolcableandadjustitifnecessary.

•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor

bladesandscraperifnecessary.

•Changetheengineoil.

•Checkthesparkplugandreplaceitifnecessary.

•Replacethedrivebelt.

•Checkforloosefastenersandtightenthemifnecessary.

•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.

Yearlyorbeforestorage

•Preparethemachineforstorage.

AdjustingtheControlCable

CheckingtheControlCable

ServiceInterval:Afterthersthour

Every25hours

Yearly

Movethecontrolbarbacktowardthehandletoremovethe

slackinthecontrolcable(Figure22).

Figure22

1.Controlbar2.2mmto3mm(1/16-inch

to1/8-inch)gap

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

gapexistsbetweenthecontrolbarandthehandle(Figure22).

Important:Thecontrolcablemustcontainsomeslack

whenyoudisengagethecontrolbarfortherotorblades

tostopproperly.

AdjustingtheControlCable

1.Slideupthespringcoverandunhookthespringfrom

theadjusterlink(Figure23).

Figure23

1.Adjusterlink

3.Springcover

2.Z-tting

4.Unhookthespringhere.

Note:Youcanpulluptheadjusterlinkandcableto

makeunhookingthespringeasier.

2.MovetheZ-ttingtoahigherorlowerholeonthe

adjusterlinkasneededtoobtainthe2mmto3mm

(1/16-inchto1/8-inch)gapbetweenthecontrolbar

andthehandle(Figure23).

Note:MovingtheZ-ttinghigherdecreasesthegap

betweenthecontrolbarandthehandle;movingit

lowerincreasesthegap.

3.Hookthespringtotheadjusterlinkandslidethespring

coverovertheadjusterlink.

4.Checktheadjustment;refertoCheckingtheControl

Cable.

Note:Afterextendeduse,thedrivebeltmaywear

andloseitsproperbelttension.Ifthedrivebeltslips

(continuouslysqueals)underaheavyload,disconnect

thespringfromtheadjustorlinkandmovetheupper

endofthespringtotheholethatisfurtherfrom

thepivotpointinthecontrolbar(Figure24).Then

connectthespringtotheadjustorlinkandadjustthe

controlcable.

Figure24

1.Upperendofspring

3.Pivotpoint

2.Inserttheupperendof

springintothishole

4.Removetheupperendof

springfromthishole

Note:Thebeltmayslip(squeal)inwetconditions;

todryoutthedrivesystem,starttherotorandrunit

withoutaloadfor30seconds.

InspectingtheRotorBlades

ServiceInterval:Every25hours

Yearly

Beforeeachsession,inspecttherotorbladesforwear.When

arotorbladeedgehasworndowntothewearindicatorhole,

haveanAuthorizedServiceDealerreplacetherotorblades

andthescraper(Figure25).

Figure25

1.Thewearindicatorholeis

intact;youdonotneedto

replacetherotorblades.

2.Thewearindicatorhole

isexposed;replaceboth

rotorblades.

ChangingtheEngineOil

ServiceInterval:Aftertherst2hours

Every50hours

Yearly

Runtheengineafewminutesbeforechangingtheoiltowarm

it.Warmoilowsbetterandcarriesmorecontaminants.

1.Siphonthefuelfromthefueltankintoanapproved

fuelcontainer,orruntheengineuntilitstops.

2.Movethemachinetoalevelsurface.

3.Placeanoil-drainpanundertheoil-drainplug,remove

theoildrainplug,andtipthemachinebackwardand

draintheusedoilintheoil-drainpanFigure26).

Figure26

4.Afterdrainingtheusedoil,returnthemachinetothe

operatingposition.

5.Installtheoil-drainplugandtightenitsecurely.

6.Cleanaroundtheoil-llcap(Figure27).

Figure27

1.Oil-llcap

7.Unscrewtheoil-llcapandremoveit(Figure27).

8.Withthemachineintheoperatingposition,carefully

pouroilintotheoilllhole.Wait3minutesforthe

oiltosettleandaddenoughtobringittothepointof

overow .Thereshouldbeverylittle,ifany,oilleftin

thebottle.(Figure29).

Note:Youmaytipthemachineforward(handleup)

tomakeaddingoileasier.Remembertoreturnthe

machinetotheoperatingpositionbeforecheckingthe

oillevel.

Important:Donottipthemachinealltheway

forwardontoitsnose,orfuelmayleakoutofthe

machine.

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

withanAPIserviceclassicationofSJ,SL,orhigher.

UseFigure28belowtoselectthebestoilviscosityfor

theoutdoortemperaturerangeexpected:

Figure28

Figure29

9.Screwtheoil-llcapintotheoilllhole,andhand

tightenitsecurely.

10.Wipeupanyspilledoil.

11.Disposeoftheusedoilproperlyatalocalrecycling

center.

ServicingtheSparkPlug

ServiceInterval:Every50hours

Yearly

UseaNGKBPR6ESorChampionRN9YCsparkplug

orequivalent.

1.Stoptheengineandwaitforallmovingpartstostop.

2.Rotatethedischargechutesothatitfacesforward.

3.Removethedischargechutebyremovingthethree

screwsholdingthechute,andthescrewsholdingthe

chuteseal(Figure30).

G016327

Figure30

4.Removethe4screwsthatsecuretheshroud(Figure31).

Figure31

1.Screw(4)3.Sparkplug

2.Shroud4.Spark-plugwire

5.Removethefuel-tankcap.

6.Removetheshroud(Figure31).

7.Installthefuel-tankcap.

8.Disconnectthewirefromthesparkplug.

9.Cleanaroundthesparkplug.

10.Removethesparkplugfromthecylinderhead.

Important:Replaceacracked,fouled,ordirty

sparkplug.Donotcleantheelectrodesbecause

gritenteringthecylindercandamagetheengine.

11.Setthegapontheplugto0.76mm(0.030inch)(Figure

32).

Figure32

1.Center-electrodeinsulator3.Airgap(nottoscale)

2.Sideelectrode

12.Installthesparkplugandtorqueitto27to30N-m

(20to22ft-lb).

13.Connectthewiretothesparkplug.

Note:Ensurethatthebreathertubeisroutedabove

thesparkplugwireasshowninFigure33.

Figure33

1.Breathertube

2.Carburetor-drainbolt

14.Removethefuel-tankcap.

15.Installtheshroudwiththescrewsyouremovedinstep

Note:Ensurethattheupperandlowershroudst

togetherinthesidegrooves.

16.Installthefuel-tankcap.

17.Installthechuteseal,thedischargechute,andthe

dischargechutehandleontothemachineusingthe

hardwareyouremovedinstep3.

Note:Thesmallscrewgoesthroughthesmallhole

inthechutesealatthefrontofthedischargechute

opening.

ReplacingtheDriveBelt

ServiceInterval:Every50hours

Yearly

Ifdrivebeltbecomesworn,oil-soaked,excessivelycracked,

frayed,orotherwisedamaged,replacethebelt.

1.Removethedrive-beltcoverbyremovingthe3boltsas

showninFigure34.

Figure34

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(Figure34).

3.Removethescrewandcurvedwasherthatholdsthe

rotorpulley(Figure34).

4.Removetherotorpulleyandthedrivebelt(Figure34).

5.Installthenewdrivebelt,routingitasshownin(Figure

35).

Figure35

1.Brakespring(installon

idlerarmhere)

3.Enginepulley

2.Idlerpulley4.Rotorpulley

Note:Routethenewdrivebeltrstaroundtheengine

pulley,thentheidlerpulley,andnallyaroundthe

looserotorpulleypositionedjustabovetherotorshaft

(Figure34).

6.Installtherotorpulleyontotherotorshaft(Figure34).

7.Installthecurvedwasherandtherotorpulleyboltand

tightenthemsecurely(Figure34).

Note:Theconcavesideofthecurvedwashergoes

againsttheoutsideofthepulley.

8.Installthebrakespringontotheidlerarm(Figure35).

9.Installthedrivebeltcoverwiththeboltsyouremoved

instep1.

Note:Ensurethatthedrivebeltisproperlyadjusted

andoperating;refertoCheckingtheControlCable

(page14)andAdjustingtheControlCable(page14).

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(Figure33)intoanapprovedgasoline

container.

7.Disposeofunusedfuelproperly.Recycleitaccording

tolocalcodes,oruseitinyourautomobile.

8.Whiletheengineisstillwarm,changetheengineoil.

RefertoChangingtheEngineOil(page15).

9.Removethesparkplug.

10.Squirt2teaspoonsofoilintothesparkplughole.

11.Installthesparkplugbyhandandthentorqueitto27

to30N-m(20to22ft-lb).

12.WiththeignitionkeyintheOffposition,pulltherecoil

starterslowlytodistributetheoilontheinsideofthe

cylinder.

13.Cleanthemachine.

14.Touchupchippedsurfaceswithpaintavailablefroman

AuthorizedServiceDealer.Sandaffectedareasbefore

painting,andusearustpreventativetopreventthe

metalpartsfromrusting.

15.Tightenanyloosefasteners.Repairorreplaceany

damagedparts.

16.Coverthemachineandstoreitinaclean,dryplace

outofthereachofchildren.Allowtheenginetocool

beforestoringitinanyenclosure.

Notes:

Toro Power Clear 721 R-C Commercial Snowthrower User manual

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