Toro 38743 Operator's Manual

PowerClear

ModelNo.38743—SerialNo.400010798andUp

®

721QZRSnowthrower

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.

FormNo.3407-536RevA

Operator'sManual

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafety-alertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.

YoumaycontactTorodirectlyatwww.Toro.comformachine
andaccessoryinformation,helpndingadealer,ortoregister
yourmachine.

Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourmachineready.Figure1identiesthelocationofthe
modelandserialnumbersonthemachine.Writethenumbers
inthespaceprovided.

©2016—TheT oro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Registeratwww.T oro.com.

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.ContactanyAuthorizedT oroServiceDealer
toobtaintheproperHighAltitudeKitandhigh-altitude
labelforyourmachine.T olocateadealerconvenientto

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

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

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

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

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

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

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

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

2

Safety

•Keepclearofanydischargeopening.Keepbystandersa

safedistanceawayfromthemachine.

ThismachinecomplieswithANSIB71.3specicationsin
effectatthetimeofproduction.

•ReadandunderstandthecontentsofthisOperator’ sManual

beforeyoustarttheengine.Ensurethateveryoneusing
thisproductknowshowtouseitandunderstandsthe
warnings.

•Donotputyourhandsorfeetnearmovingcomponents

onthemachine.

•Donotoperatethemachinewithoutallguardsandother

safetyprotectivedevicesinplaceandworkingonthe
machine.

SafetyandInstructionalDecals

Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamagedor
missingdecals.

•Keepchildrenoutoftheoperatingarea.Neverallow

childrentooperatethemachine.

•Shutofftheenginebeforeunclogging,servicing,or

fuelingthemachine.

Youcanndadditionalitemsofsafetyinformationintheir
respectivesectionsthroughoutthismanual.

94-2577

1.Toengagetherotorblades,holdthecontrolbaragainst
thehandle.

2.Todisengagetherotorblades,releasethecontrolbar.

115-5698

OrderPartNo.1 17-9121

1.Cuttingdismembermenthazards,impellerandauger—do
notplaceyourhandinthechute;removetheignitionkey
andreadtheinstructionsbeforeservicingorperforming
maintenance.

OrderPartNo.1 17-6036

1.Warning—readthe

Operator'sManual.

2.Cutting/dismemberment
hazard,impeller—shutoff
theenginebeforeleaving
themachine.

3.Thrownobject
hazard—keepbystanders
asafedistanceawayfrom
themachine.

4.Fuelspillhazard—donot
tipmachinebackward.

5.Engineswitchon

117-9102

6.Engineswitchoff

7.Primer

8.Pushtheprimer3timesto
primetheengine.

9.ReadtheOperator's
Manualbeforechecking
engine-oillevel.

3

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

1

2

3
4

Nopartsrequired

Screw
Chuteassembly
Discharge-chutehandle1

Nopartsrequired

Nopartsrequired

1

UnfoldingtheHandle

NoPartsRequired

Procedure

1.Loosenthehandleknobs,pullouttheU-shapedhandle
locksuntilyoucanmovethehandlefreely ,androtate
thehandletotheoperatingposition(Figure4).

Qty.

–

3
1

–

–

Important:Ensurethatyoudonotpinchorkink
thecontrolcable(Figure6).

Unfoldthehandle.

Installthedischargechute.

Filltheenginewithoil.

Adjustthecontrolcable.

Figure5

Use

Figure4

1.U-shapedhandlelock(2)

2.InserttheendoftheU-shapedhandlelockintothe
openholeinthehandleandtightenthehandleknobs
untiltheyaresnug(Figure5).

Note:Thehandleknobscontainnylocnutsthat
requiremorepressuretotightenfullytopreventthe
handlefromcominglooseduringoperation.

2.Handleknobs

Figure6

1.Controlcable

4

Maxll:.0.60L(20oz),type:automotivedetergentoilwith
anAPIserviceclassicationofSJ,SL,orhigher.

2

InstallingtheDischargeChute

Partsneededforthisprocedure:

3

Screw

1

Chuteassembly

1Discharge-chutehandle

Procedure

Installthedischargechuteasshown(Figure7).

UseFigure8toselectthebestoilviscosityfortheoutdoor
temperaturerangeexpected.

Figure8

1.Movethemachinetoalevelsurface.

2.Cleanaroundtheoil-llcap(Figure9).

Figure7

1.Dischargechute

Note:Foreasierinstallation,useasmallratchetwrenchto
tightenthescrews.

Important:Donotovertightenthescrews;otherwise
youmaydamagethedischargechuteandpreventit
fromturningfreely.

2.Screw(3)

3

FillingtheEnginewithOil

NoPartsRequired

Procedure

Yourmachinedoesnotcomewithoilintheengine,butit
doescomewithabottleofoil.

Important:Beforestartingtheengine,lltheengine
withoil.

Note:Thebottleofoilmaycontainmoreoilthanisrequired.

Donotoverllorunderlltheengine.

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.

5

4

AdjustingtheControlCable

NoPartsRequired

Procedure

RefertoAdjustingtheControlCable(page12).

ProductOverview

Figure10

1.Chute-deectortrigger

2.Dischargechute8.Ignitionkey

3.Fuel-tankcap

4.Controlbar10.Oil-drainplug

5.QuickShootcontrol11.Oil-llcap

6.Recoil-starthandle

7.Primer

9.Chokelever

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.

6

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.

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.

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).

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.

7

•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.

Figure14

1.Chokelever

•Donotoverloadthemachinecapacitybyattemptingto

clearsnowattoofastarate.

•Nevertouchahotengineormufer.

StartingtheEngine

1.TurntheignitionkeyclockwisetotheONposition
(Figure13).

Figure13

2.Pulloutthechokelever(Figure14andFigure15).

Figure15

1.Symbolsonthechokeleverindicatingtopulloutthechoke
levertoactivatethechoke

3.Firmlypushintheprimerwithyourthumbasindicated
bythetablebelow,holdingintheprimerinforasecond
beforereleasingiteachtime(Figure16).

Temperature

-23°C(-10°F)andabove

Below-23°C(-10°F)

SuggestedNumberof

Primes

3

6

Figure16

Note:Removeyourglovewhenyoupushinthe

primersothataircannotescapefromtheprimerhole.

Important:Donotusetheprimerorthechokeif
theenginehasbeenrunningandishot.Excessive
primingmayoodtheengineandpreventitfrom
starting.

4.Pulltherecoil-starthandle(Figure17).

8