Toro Power Clear 721 E Snowthrower User manual

Toro
Brand
Toro
Model
Power Clear 721 E Snowthrower
Category
Snow throwers
Type
User manual
FormNo.3415-621RevB
PowerClear®721Snowthrower
ModelNo.38741—SerialNo.402082000andUp
ModelNo.38742—SerialNo.402082000andUp
Operator'sManual
Introduction
Thismachineisintendedtobeusedbyresidential
homeowners.Itisdesignedprimarilyforremoving
snowfrompavedsurfaces,suchasdrivewaysand
sidewalks,andothersurfacesfortrafconresidential
orcommercialproperties.Itisnotdesignedfor
removingmaterialsotherthansnow,norisitdesigned
forclearinggravelsurfaces.
Note:Themachinemayleaverubbermarkson
newbrushedorlight-coloredconcrete.Testonan
inconspicuouslocationbeforeuse.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
YoumaycontactTorodirectlyatwww.T oro.com
forproductsafetyandoperationtrainingmaterials,
accessoryinformation,helpndingadealer,orto
registeryourproduct.
Wheneveryouneedservice,genuineT oroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourmachineready.Figure1
identiesthelocationofthemodelandserialnumbers
onthemachine.Writethenumbersinthespace
provided.
Important:Withyoursmartphoneortablet,scan
theQRcodeontheserialnumberdecaltoaccess
warranty,parts,andotherproductinformation.
g216757
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2017—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.
OriginalInstructions(EN)
PrintedinMexico
AllRightsReserved
*3415-621*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.
Removethekitfromtheengineandrestorethe
enginetoitsoriginalfactorycongurationwhen
runningtheengineunder1500m(5,000ft).Do
notoperateanenginethathasbeenconverted
forhigh-altitudeuseatloweraltitudes;otherwise,
youcouldoverheatanddamagetheengine.
Ifyouareunsurewhetherornotyourmachinehas
beenconvertedforhigh-altitudeuse,lookforthe
followinglabel(Figure3).
decal127-9363
Figure3
Contents
Introduction...............................................................1
Safety.......................................................................2
GeneralSafety...................................................2
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.................................8
DisengagingtheRotorBlades............................9
ShuttingOfftheEngine.......................................9
AdjustingtheDischargeChuteandChute
Deector.........................................................9
ClearingaCloggedDischargeChute..................9
OperatingTips...................................................9
AfterOperation....................................................10
AfterOperationSafety......................................10
PreventingFreeze-upafterUse........................10
Maintenance............................................................11
RecommendedMaintenanceSchedule(s)............11
MaintenanceSafety...........................................11
AdjustingtheControlCable...............................11
InspectingtheRotorBlades..............................12
ChangingtheEngineOil...................................13
ServicingtheSparkPlug...................................14
ReplacingtheDriveBelt...................................15
Storage...................................................................16
StoringtheMachine..........................................16
Safety
GeneralSafety
ThismachinecomplieswithANSIB71.3specications.
•Readandunderstandthecontentsofthis
Operator’sManualbeforeyoustarttheengine.
Ensurethateveryoneusingthisproductknows
howtousetheproductandunderstandsthe
warnings.
•Donotputyourhandsorfeetnearmoving
componentsonthemachine.
•Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand
workingonthemachine.
•Keepclearofanydischargeopening.Keep
bystandersasafedistanceawayfromthe
machine.
2
•Keepchildrenoutoftheoperatingarea.Never
allowchildrentooperatethemachine.
•Shutofftheenginebeforeunclogging,servicing,
orfuelingthemachine.
Youcanndadditionalitemsofsafetyinformationin
theirrespectivesectionsthroughoutthismanual.
SafetyandInstructional
Decals
Safetydecalsandinstructionsare
easilyvisibletotheoperatorandare
locatednearanyareaofpotential
danger.Replaceanydecalthatis
damagedormissing.
decal94-2577
94-2577
1.Toengagetherotorblades,holdthecontrolbaragainst
thehandle.
2.Todisengagetherotorblades,releasethecontrolbar.
decal115-5660
115-5660
1.Cutting/dismembermenthazardsofhandorfoot,impeller
andauger—donotplaceyourhandinthechute;remove
theignitionkeyandreadtheinstructionsbeforeservicing
orperformingmaintenance.
decal117-9102
117-9102(Model38741only)
OrderPartNo.117-6036
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.Engineswitchon
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.
3
Setup
UnfoldingtheHandle
g217712
InstallingtheDischarge
Chute
g217715
FillingtheEnginewithOil
g216207
AdjustingtheControlCable
RefertoAdjustingtheControlCable(page11).
4
ProductOverview
g016243
Figure7
1.Dischargechute7.Electric-startbutton
(Electric-startmodels
only)
2.Discharge-chutehandle8.Ignitionkey
3.Fuel-tankcap
9.Chokelever
4.Controlbar10.Oil-drainplug
5.Recoil-starthandle
11.Oil-llcap
6.Primer
Operation
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.
5
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—Check
theengine-oillevelandaddoilif
necessary.
g217728
Figure9
6
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).
g217786
Figure11
1.Chokelever
g013819
Figure12
1.Symbolsonthechokeleverindicatingtopulloutthechoke
levertoactivatethechoke.
3.Firmlypushintheprimerwithyourthumbas
indicatedbythetablebelow,holdinginthe
primerinforasecondbeforereleasingiteach
time(Figure13).
Temperature
SuggestedNumberof
Primes
-23°C(-10°F)andabove
3
Below-23°C(-10°F)
6
7
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).
8
g219303
Figure16
DisengagingtheRotor
Blades
Todisengagetherotorblades,releasethecontrolbar
(Figure17).
g011230
Figure17
ShuttingOfftheEngine
Toshutofftheengine,turntheignitionkey
counterclockwisetotheOFFposition(Figure18).
g011433
Figure18
AdjustingtheDischarge
ChuteandChuteDeector
Toadjustthedischargechute,movethechutehandle
andthechute-deectorhandleasshown(Figure19).
g001128
Figure19
1.Chutehandle2.Chute-deectorhandle
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
9
onthehandle,butallowthemachinetoworkat
itsownpace.
AfterOperation
AfterOperationSafety
•Neverstorethemachinewithfuelinthefuel
tankinsideabuildingwhereignitionsourcesare
present,suchashotwaterheaters,spaceheaters,
orclothesdryers.Allowtheenginetocoolbefore
storinginanyenclosure.
•Whenstoringthemachineformorethan30days,
refertoStorage(page16)forimportantdetails.
PreventingFreeze-upafter
Use
•Lettheenginerunforafewminutestoprevent
movingpartsfromfreezing.Shutofftheengine,
waitforallmovingpartstostop,andremoveice
andsnowfromthemachine.
•Cleanoffanysnowandicefromthebaseofthe
chute.
•Rotatethedischargechuteleftandrighttofree
itfromanyicebuildup.
•WiththeignitionkeyintheOFFposition,pullthe
recoil-starthandleseveraltimesorconnectthe
electricalcordtoapowersourceandthemachine
andpushtheelectric-startbuttononcetoprevent
therecoilstarterand/ortheelectricstarterfrom
freezingup(electric-startmodelsonly).
•Insnowyandcoldconditions,somecontrolsand
movingpartsmayfreeze.Donotuseexcessive
forcewhentryingtooperatefrozencontrols.Ifyou
havedifcultyoperatinganycontrolorpart,start
theengineandletitrunforafewminutes.
10
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(Figure20).
g011233
Figure20
1.Controlbar2.1/16inchto1/8inch(2
mmto3mm)gap
Note:Ensurethata1/16inchto1/8inch(2mmto
3mm)gapexistsbetweenthecontrolbarandthe
handle(Figure20).
Important:Thecontrolcablemustcontainsome
slackwhenyoudisengagethecontrolbarforthe
rotorbladestostopproperly.
11
AdjustingtheControlCable
1.Slideupthespringcoverandunhookthespring
fromtheadjusterlink(Figure21).
g006402
Figure21
1.Adjusterlink
3.Springcover
2.Z-tting
4.Unhookthespringhere.
Note:Youcanpulluptheadjusterlinkand
cabletomakeunhookingthespringeasier.
2.MovetheZ-ttingtoahigherorlowerholeon
theadjusterlinkasneededtoobtainthe1/16
inchto1/8inch(2mmto3mm)gapbetween
thecontrolbarandthehandle(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(Figure22).Thenconnectthespringtothe
adjustorlinkandadjustthecontrolcable.
g011232
Figure22
1.Upperendofspring
3.Pivotpoint
2.Inserttheupperendof
springintothishole
4.Removetheupperendof
springfromthishole
Note:Thebeltmayslip(squeal)inwet
conditions;todryoutthedrivesystem,startthe
rotorandrunitwithoutaloadfor30seconds.
InspectingtheRotorBlades
ServiceInterval:Yearly—Inspecttherotorblades
andhaveanAuthorizedService
Dealerreplacetherotorbladesand
scraperifnecessary.
Beforeeachsession,inspecttherotorbladesfor
wear.Whenarotor-bladeedgehasworndownto
thewear-indicatorhole,haveanAuthorizedService
Dealerreplacetherotorbladesandthescraper
(Figure23).
g011544
Figure23
1.Thewear-indicatorholeis
intact;youdonotneedto
replacetherotorblades.
2.Thewear-indicatorholeis
exposed;replacetherotor
bladesandscraper.
12
ChangingtheEngineOil
ServiceInterval:Aftertherst2hours
Yearly
Ifpossible,runtheengineforafewminutesbefore
changingtheoiltowarmit.Warmoilowsbetterand
carriesmorecontaminants.
EngineOilSpecications
Engineoilcapacity
0.60L(20oz)
OilviscosityRefertoFigure26.
APIserviceclassicationSJorhigher
1.Siphonthefuelfromthefueltankintoan
approvedfuelcontainer,orruntheengineuntil
itshutsoff.
2.Movethemachinetoalevelsurface.
3.Placeanoil-drainpanundertheoil-drainplug,
removetheplug,andtipthemachinebackward
anddraintheusedoilinthepan(Figure24).
g006372
Figure24
4.Afterdrainingtheusedoil,returnthemachineto
theoperatingposition.
5.Installtheoil-drainplugandtightenitsecurely.
6.Cleanaroundtheoil-llcap(Figure25).
g006316
Figure25
1.Oil-llcap
7.Unscrewtheoil-llcapandremoveit(Figure
25).
8.Withthemachineintheoperatingposition,
carefullypouroilintotheoil-llholetothepoint
ofoverow(Figure27).
Note:Youmaytipthemachineforward(handle
up)tomakeaddingoileasier.Rememberto
returnthemachinetotheoperatingposition
beforecheckingtheoillevel.
Important:Donottipthemachineallthe
wayforwardontoitsnose,orfuelmayleak
outofthemachine.
UseFigure26belowtoselectthebestoil
viscosityfortheoutdoortemperaturerange
expected.
g011606
Figure26
g006374
Figure27
9.Wait3minutesfortheoiltosettleandadd
enoughoiltobringittothepointofoverow.
10.Screwtheoil-llcapintotheoil-llhole,and
tightenitsecurelybyhand.
11.Wipeupanyspilledoil.
12.Disposeoftheusedoilproperlyatalocal
recyclingcenter.
13
ServicingtheSparkPlug
ServiceInterval:Yearly—Servicethesparkplugand
replaceitifnecessary.
UseaNGKBPR6ESorChampionRN9YCspark
plugorequivalent.
1.Shutofftheengineandwaitforallmovingparts
tostop.
2.Rotatethedischargechutesothatitfaces
forward.
3.Removethedischargechutebyremovingthe3
screwsholdingthechuteandthescrewsholding
thechuteseal(Figure28).
g016327
Figure28
4.Removethe4screwsthatsecuretheshroud
(Figure29).
g011435
Figure29
1.Screw(4)3.Sparkplug
2.Shroud4.Spark-plugwire
5.Removethefuel-tankcap.
6.Removetheshroud(Figure29).
7.Installthefuel-tankcap.
8.Disconnectthewirefromthesparkplug.
9.Cleanaroundthesparkplug.
10.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercan
damagetheengine.
11.Setthegapontheplugto0.030inch(0.76mm)
asshowninFigure30.
g000533
Figure30
1.Center-electrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
14
12.Installthesparkplugandtorqueitto20to22
ft-lb(27to30N-m).
13.Connectthewiretothesparkplug.
Note:Ensurethatthebreathertubeisrouted
abovethespark-plugwireasshowninFigure
31.
g011440
Figure31
1.Breathertube
2.Carburetordrainbolt
14.Removethefuel-tankcap.
15.Installtheshroudwiththescrewsthatyou
removedinstep4.
Note:Ensurethattheupperandlowershrouds
ttogetherinthesidegrooves.
16.Installthefuel-tankcap.
17.Installthechuteseal,thedischargechute,and
thedischarge-chutehandleontothemachine
usingthehardwarethatyouremovedinstep3.
Note:Thesmallscrewgoesthroughthe
smallholeinthechutesealatthefrontofthe
discharge-chuteopening.
ReplacingtheDriveBelt
Ifthedrivebeltbecomesworn,oil-soaked,excessively
cracked,frayed,orotherwisedamaged,replacethe
belt.
1.Removethedrive-beltcoverbyremovingthe3
boltsasshowninFigure32.
g008238
Figure32
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(Figure32).
3.Removethescrewandcurvedwasherthat
holdstherotorpulley(Figure32).
4.Removetherotorpulleyandthedrivebelt
(Figure32).
5.Installthenewdrivebelt,routingitasshownin
Figure33.
g008317
Figure33
1.Brakespring(installon
idlerarmhere)
3.Enginepulley
2.Idlerpulley4.Rotorpulley
15
Note:Routethenewdrivebeltrstaroundthe
enginepulley,thentheidlerpulley,andnally
aroundthelooserotorpulleypositionedjust
abovetherotorshaft(Figure32).
6.Installtherotorpulleyontotherotorshaft(Figure
32).
7.Installthecurvedwasherandtherotor-pulley
boltandtightenthemsecurely(Figure32).
Note:Theconcavesideofthecurvedwasher
goesagainsttheoutsideofthepulley.
8.Installthebrakespringontotheidlerarm(Figure
33).
9.Installthedrive-beltcoverwiththeboltsthatyou
removedinstep1.
Note:Ensurethatthedrivebeltisproperly
adjustedandoperating;refertoCheckingthe
ControlCable(page11)andAdjustingthe
ControlCable(page12).
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(Figure31)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).
16
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.
17
Notes:
Notes:
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Toro Power Clear 721 E Snowthrower User manual

Toro
Brand
Toro
Model
Power Clear 721 E Snowthrower
Category
Snow throwers
Type
User manual
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