Toro Power Clear 721 E Snowthrower User manual

Toro
Brand
Toro
Model
Power Clear 721 E Snowthrower
Category
Snow throwers
Type
User manual
FormNo.3396-737RevA
PowerClear
®
721R/ESnowthrower
ModelNo.38741—SerialNo.316000001andUp
ModelNo.38742—SerialNo.316000001andUp
Operator'sManual
Introduction
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Thismachineisintendedtobeusedbyresidential
homeownersorprofessional,hiredoperators.Itis
designedprimarilyforremovingsnowfrompaved
surfaces,suchasdrivewaysandsidewalks,andother
surfacesfortrafconresidentialorcommercial
properties.Itisnotdesignedforremovingmaterials
otherthansnow,norisitdesignedforclearingoffgravel
surfaces.
Readthisinformationcarefullytolearnhowtooperateand
maintainyourmachineproperlyandtoavoidinjuryand
machinedamage.Youareresponsibleforoperatingthe
machineproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comformachine
andaccessoryinformation,helpndingadealer,ortoregister
yourmachine.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourmachineready.Figure1identiesthelocationofthe
modelandserialnumbersonthemachine.Writethenumbers
inthespaceprovided.
G016241
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
©2015—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3396-737*A
Contents
Introduction..................................................................1
Safety...........................................................................2
Training.................................................................2
Preparation.............................................................2
Operation...............................................................3
ClearingaCloggedDischargeChute..........................3
MaintenanceandStorage..........................................3
ToroSnowthrowerSafety.........................................4
SafetyandInstructionalDecals.................................5
Setup............................................................................6
1UnfoldingtheHandle............................................6
2InstallingtheDischargeChute................................6
3FillingtheEnginewithOil......................................7
4AdjustingtheControlCable...................................8
ProductOverview..........................................................8
Operation.....................................................................8
FillingtheFuelTank................................................9
CheckingtheEngineOilLevel..................................9
StartingtheEngine..................................................9
EngagingtheRotorBlades.......................................11
DisengagingtheRotorBlades..................................11
StoppingtheEngine...............................................11
AdjustingtheDischargeChute.................................11
ClearingaCloggedDischargeChute.........................12
PreventingFreeze-upafterUse.................................12
OperatingTips......................................................12
Maintenance.................................................................13
RecommendedMaintenanceSchedule(s)......................13
AdjustingtheControlCable.....................................14
InspectingtheRotorBlades.....................................15
ChangingtheEngineOil.........................................15
ServicingtheSparkPlug..........................................16
ReplacingtheDriveBelt..........................................17
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.
•Useextensioncordsandreceptaclesasspeciedby
themanufacturerforallmachineswithelectricstarting
motors.
•Donotattempttoclearsnowfromagravelorcrushed
rocksurface.Thismachineisintendedforuseonlyon
pavedsurfaces.
•Neverattempttomakeanyadjustmentswhiletheengine
isrunning(exceptwhenspecicallyrecommendedby
manufacturer).
•Alwayswearsafetyglassesoreyeshieldsduringoperation
orwhileperforminganadjustmentorrepairtoprotect
eyesfromforeignobjectsthatmaybethrownfromthe
machine.
2
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:
•Shuttheengineoff!
•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.
3
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.
4
SafetyandInstructionalDecals
Important:Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamageddecals.
94-2577
1.Toengagetherotorblades,holdthecontrolbaragainst
thehandle.
2.Todisengagetherotorblades,releasethecontrolbar.
115-5660
1.Cuttingdismembermenthazards,impellerandauger—do
notplaceyourhandinthechute;removetheignitionkey
andreadtheinstructionsbeforeservicingorperforming
maintenance.
117-9102(Model38741only)
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
117-9103(Model38742only)
Orderpartno.117-6046
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
10.Plugthemachineinto
powertheelectricstarter.
5
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
1
Nopartsrequired
–
Unfoldthehandle.
Dischargechute1
Chutehandle
1
Phillipsheadbolts3
Washers3
2
Locknuts3
Installthedischargechute.
1
UnfoldingtheHandle
NoPartsRequired
Procedure
1.Loosenthehandleknobs,pulloutthe“U”-shaped
handlelocksuntilyoucanmovethehandlefreely,and
rotatethehandletotheoperatingposition(Figure4).
G016242
Figure4
1.“U”-shapedhandlelock(2)
2.Handleknobs
2.Inserttheendofthe“U”-shapedhandlelockintothe
openholeinthehandleandtightenthehandleknobs
untiltheyaresnug(Figure5).
Figure5
Important:Ensurethatyoudonotpinchorkink
thecontrolcable(Figure6).
Figure6
1.Controlcable
6
2
InstallingtheDischargeChute
Partsneededforthisprocedure:
1Dischargechute
1
Chutehandle
3Phillipsheadbolts
3Washers
3Locknuts
Procedure
Installthedischargechuteasshown(Figure7).
Figure7
3
FillingtheEnginewithOil
NoPartsRequired
Procedure
Yourmachinedoesnotcomewithoilintheengine,butit
doescomewithabottleofoil.
Important:Beforestartingtheengine,lltheengine
withoil.
Note:Thebottleofoilmaycontainanounceortwomore
thantheenginerequires.Donotoverllorunderllthe
engine.
Maxll:20oz.(0.6l),type:automotivedetergentoilwithan
APIserviceclassicationofSJ,SL,orhigher.
UseFigure8belowtoselectthebestoilviscosityforthe
outdoortemperaturerangeexpected:
Figure8
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoilllcap(Figure9).
Figure9
1.Oilllcap
7
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.
4
AdjustingtheControlCable
NoPartsRequired
Procedure
RefertoAdjustingtheControlCable(page14).
ProductOverview
1
2
G016243
Figure10
1.Dischargechute7.Electric-startbutton
(model38452only)
2.Dischargechutehandle8.Ignitionkey
3.Fueltankcap
9.Chokelever
4.Controlbar10.Oildrainplug
5.Recoilstarthandle
11.Oilllcap
6.Primer
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.
8
FillingtheFuelTank
•Forbestresults,useonlyclean,fresh(lessthan30days
old),unleadedgasolinewithanoctaneratingof87or
higher((R+M)/2ratingmethod).
•Ethanol:Gasolinewithupto10%ethanol(gasohol)
or15%MTBE(methyltertiarybutylether)byvolume
isacceptable.EthanolandMTBEarenotthesame.
Gasolinewith15%ethanol(E15)byvolumeisnot
approvedforuse.Neverusegasolinethatcontainsmore
than10%ethanolbyvolume,suchasE15(contains15%
ethanol),E20(contains20%ethanol),orE85(contains
85%ethanol).Usingunapprovedgasolinemaycause
performanceproblemsand/orenginedamagewhichmay
notbecoveredunderwarranty.
•Donotusegasolinecontainingmethanol.
•Donotstorefueleitherinthefueltankorfuelcontainers
overthewinterunlessafuelstabilizerisused.
•Donotaddoiltogasoline.
G016259
Figure11
1.1/4inch(6mm)
Note:Forbestresults,purchaseonlythequantityofgasoline
thatyouexpecttousein30days.Otherwise,youmayadd
fuelstabilizertonewlypurchasedgasolinetokeepitfreshfor
upto6months.
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily—Checktheengine
oillevelandaddoilifnecessary.
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoilllcap(Figure12).
Figure12
1.Oilllcap
3.Unscrewtheoilllcapandremoveit.
4.Iftheoillevelislow,keepthemachineintheoperating
positionandcarefullypouroilintothecrankcase
untilthepointofoverow.Wait3minutesfortheoil
tosettleandaddenoughtobringittothepointof
overow .(Max.ll:20oz.(0.6l),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
(Figure13).
Figure13
2.Pulloutthechokelever(Figure14andFigure15).
9
Figure14
1.Chokelever
Figure15
1.Symbolsonthechokeleverindicatingtopulloutthechoke
levertoactivatethechoke.
3.Firmlypushintheprimer3timeswithyourthumb,
holdingtheprimerinaforasecondbeforereleasingit
eachtime(Figure16).
Figure16
Note:Removeyourglovewhenyoupushinthe
primersothataircannotescapefromtheprimerhole.
Important:Donotusetheprimerorthechokeif
theenginehasbeenrunningandishot.Excessive
primingmayoodtheengineandpreventitfrom
starting.
4.Connectanextensioncordtoapowersourceandthe
machine,andpushtheelectric-startbutton(model
38742only)(Figure17),orpulltherecoilstarthandle
(Figure18).
Figure17
Note:UseonlyaUL-listed,16-gaugeextensioncord
recommendedforoutdoorusethatisnotlongerthan
50feet(15m).
WARNING
Theelectricalcordcanbecomedamaged,
causingashockorre.
Thoroughlyinspecttheelectricalcordbefore
pluggingitintoapowersource.Ifthe
cordisdamaged,donotuseittostartthe
machine.Replaceorrepairthedamagedcord
immediately.ContactanAuthorizedService
Dealerforassistance.
Figure18
Important:Runtheelectricstarternomore
than10timesatintervalsof5secondson,then
5secondsoff.Runningtheelectricstarter
extensivelycanoverheatanddamageit.Ifthe
enginedoesnotstartafterthisseriesofattempts,
waitatleast40minutestoallowthestartertocool
beforeattemptingtostartitagain.Iftheengine
doesnotstartafterthesecondseriesofattempts,
takethemachinetoanAuthorizedServiceDealer
forservice(model38452only).
10
Note:Ifyoupulltherecoilhandleandfeelno
resistance,thestartermaybefrozen.Thawoutthe
starterbeforeattemptingtostartthemachine.
5.Whiletheengineisrunning,pushinthechokelever
slowly.
6.Unplugtheextensioncordfromthepowersourceand
themachine(model38742only).
CAUTION
Ifyouleavethemachinepluggedintoapower
source,someonecaninadvertentlystartthe
machineandinjurepeopleordamageproperty
(model38742only).
Unplugthepowercordwheneveryouarenot
startingthemachine.
EngagingtheRotorBlades
Toengagetherotorblades,holdthecontrolbaragainstthe
handle(Figure19).
Figure19
1.Controlbar
DisengagingtheRotorBlades
Todisengagetherotorblades,releasethecontrolbar(Figure
20).
Figure20
StoppingtheEngine
Tostoptheengine,turntheignitionkeycounterclockwiseto
theOffposition(Figure21).
Figure21
AdjustingtheDischargeChute
Toadjustthedischargechute,movethechutehandleandthe
chutedeectorhandleasshown(Figure22).
11
Figure22
1.Chutehandle2.Chutedeectorhandle
ClearingaCloggedDischarge
Chute
Important:Handcontactwiththerotatingrotorblades
insidethedischargechuteisthemostcommoncauseof
injuryassociatedwithsnowthrowers.Neveruseyour
handtocleanoutthedischargechute.
Toclearthechute:
•Shuttheengineoff!
•Wait10secondstobesuretherotorbladeshavestopped
rotating.
•Alwaysuseaclean-outtool,notyourhands(Figure23).
G 01 6 2 97
Figure23
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.
1
2
G016654
3
4
Figure24
OperatingTips
WARNING
Therotorbladescanthrowstones,toys,andother
foreignobjectsandcauseseriouspersonalinjuryto
theoperatorortobystanders.
•Keeptheareatobeclearedfreeofallobjects
thattherotorbladescouldpickupandthrow.
•Keepallchildrenandpetsawayfromthearea
ofoperation.
•Removethesnowassoonaspossibleafteritfalls.
12
•Ifthemachinedoesnotpropelitselfforwardonslippery
surfacesorinheavysnow ,pushforwardonthehandle,
butallowthemachinetoworkatitsownpace.
•Overlapeachswathtoensurecompletesnowremoval.
•Dischargethesnowdownwindwheneverpossible.
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Afterthersthour
•Checkthecontrolcableandadjustitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary.
Aftertherst2hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengineoillevelandaddoilifnecessary.
Yearly
•Checkthecontrolcableandadjustitifnecessary.
•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor
bladesandscraperifnecessary.
•Changetheengineoil.
•Checkthesparkplugandreplaceitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary.
•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.
Yearlyorbeforestorage
•Preparethemachineforstorage.
13
AdjustingtheControlCable
CheckingtheControlCable
ServiceInterval:Afterthersthour—Checkthecontrol
cableandadjustitifnecessary.
Yearly—Checkthecontrolcableandadjustitif
necessary.
Movethecontrolbarbacktowardthehandletoremovethe
slackinthecontrolcable(Figure25).
g011233
Figure25
1.Controlbar2.1/16-inchto1/8-inch(2
mmto3mm)gap
Note:Ensurethata1/16-inchto1/8-inch(2mmto3mm)
gapexistsbetweenthecontrolbarandthehandle(Figure25).
Important:Thecontrolcablemustcontainsomeslack
whenyoudisengagethecontrolbarfortherotorblades
tostopproperly.
AdjustingtheControlCable
1.Slideupthespringcoverandunhookthespringfrom
theadjusterlink(Figure26).
Figure26
1.Adjusterlink
3.Springcover
2.Z-tting
4.Unhookthespringhere.
Note:Youcanpulluptheadjusterlinkandcableto
makeunhookingthespringeasier.
2.MovetheZ-ttingtoahigherorlowerholeonthe
adjusterlinkasneededtoobtainthe1/16-inchto
1/8-inch(2mmto3mm)gapbetweenthecontrolbar
andthehandle(Figure26).
Note:MovingtheZ-ttinghigherdecreasesthegap
betweenthecontrolbarandthehandle;movingit
lowerincreasesthegap.
3.Hookthespringtotheadjusterlinkandslidethespring
coverovertheadjusterlink.
4.Checktheadjustment;refertoCheckingtheControl
Cable.
Note:Afterextendeduse,thedrivebeltmaywear
andloseitsproperbelttension.Ifthedrivebeltslips
(continuouslysqueals)underaheavyload,disconnect
thespringfromtheadjustorlinkandmovetheupper
endofthespringtotheholethatisfurtherfrom
thepivotpointinthecontrolbar(Figure27).Then
connectthespringtotheadjustorlinkandadjustthe
controlcable.
14
Figure27
1.Upperendofspring
3.Pivotpoint
2.Inserttheupperendof
springintothishole
4.Removetheupperendof
springfromthishole
Note:Thebeltmayslip(squeal)inwetconditions;
todryoutthedrivesystem,starttherotorandrunit
withoutaloadfor30seconds.
InspectingtheRotorBlades
ServiceInterval:Yearly—Inspecttherotorbladesandhave
anAuthorizedServiceDealerreplacethe
rotorbladesandscraperifnecessary.
Beforeeachsession,inspecttherotorbladesforwear.When
arotorbladeedgehasworndowntothewearindicatorhole,
haveanAuthorizedServiceDealerreplacetherotorblades
andthescraper(Figure28).
Figure28
1.Thewearindicatorholeis
intact;youdonotneedto
replacetherotorblades.
2.Thewearindicatorholeis
exposed;replacetherotor
blades.
ChangingtheEngineOil
ServiceInterval:Aftertherst2hours
Yearly
Runtheengineafewminutesbeforechangingtheoiltowarm
it.Warmoilowsbetterandcarriesmorecontaminants.
1.Siphonthefuelfromthefueltankintoanapproved
fuelcontainer,orruntheengineuntilitstops.
2.Movethemachinetoalevelsurface.
3.Placeanoildrainpanundertheoildrainplug,remove
theoildrainplug,andtipthemachinebackwardand
draintheusedoilintheoildrainpanFigure29).
Figure29
4.Afterdrainingtheusedoil,returnthemachinetothe
operatingposition.
5.Installtheoildrainplugandtightenitsecurely.
6.Cleanaroundtheoilllcap(Figure30).
Figure30
1.Oilllcap
7.Unscrewtheoilllcapandremoveit(Figure30).
8.Withthemachineintheoperatingposition,carefully
pouroilintotheoilllhole.Wait3minutesforthe
oiltosettleandaddenoughtobringittothepointof
overow .Thereshouldbeverylittle,ifany,oilleftin
thebottle.(Figure32).
Note:Youmaytipthemachineforward(handleup)
tomakeaddingoileasier.Remembertoreturnthe
machinetotheoperatingpositionbeforecheckingthe
oillevel.
Important:Donottipthemachinealltheway
forwardontoitsnose,orfuelmayleakoutofthe
machine.
15
Maxll:20oz.(0.6l),type:automotivedetergentoil
withanAPIserviceclassicationofSJ,SL,orhigher.
UseFigure31belowtoselectthebestoilviscosityfor
theoutdoortemperaturerangeexpected:
Figure31
Figure32
9.Screwtheoilllcapintotheoilllhole,andhand
tightenitsecurely.
10.Wipeupanyspilledoil.
11.Disposeoftheusedoilproperlyatalocalrecycling
center.
ServicingtheSparkPlug
ServiceInterval:Yearly—Checkthesparkplugandreplace
itifnecessary.
UseaNGKBPR6ESorChampionRN9YCsparkplug
orequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Rotatethedischargechutesothatitfacesforward.
3.Removethedischargechutebyremovingthethree
screwsholdingthechute,andthescrewsholdingthe
chuteseal(Figure33).
G016327
Figure33
4.Removethe4screwsthatsecuretheshroud(Figure34).
16
Figure34
1.Screw(4)3.Sparkplug
2.Shroud4.Spark-plugwire
5.Removethefueltankcap.
6.Removetheshroud(Figure34).
7.Installthefueltankcap.
8.Disconnectthewirefromthesparkplug.
9.Cleanaroundthesparkplug.
10.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,ordirty
sparkplug.Donotcleantheelectrodesbecause
gritenteringthecylindercandamagetheengine.
11.Setthegapontheplugto0.030inch(0.76mm)(Figure
35).
Figure35
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
12.Installthesparkplugandtorqueitto20–22ft-lb
(27–30N-m).
13.Connectthewiretothesparkplug.
Note:Ensurethatthebreathertubeisroutedabove
thesparkplugwireasshowninFigure36.
Figure36
1.Breathertube
2.Carburetordrainbolt
14.Removethefueltankcap.
15.Installtheshroudwiththescrewsyouremovedinstep
4.
Note:Ensurethattheupperandlowershroudst
togetherinthesidegrooves.
16.Installthefueltankcap.
17.Installthechuteseal,thedischargechute,andthe
dischargechutehandleontothemachineusingthe
hardwareyouremovedinstep3.
Note:Thesmallscrewgoesthroughthesmallhole
inthechutesealatthefrontofthedischargechute
opening.
ReplacingtheDriveBelt
Ifdrivebeltbecomesworn,oil-soaked,excessivelycracked,
frayed,orotherwisedamaged,replacethebelt.
1.Removethedrivebeltcoverbyremovingthe3boltsas
showninFigure37.
17
Figure37
1.Drivebeltcover6.Drivebelt
2.Bolt(3)7.Rotorshaft
3.Rotorpulleybolt
8.Brakespring(unhookfrom
idlerarmhere)
4.Curvedwasher
9.Idlerpulley
5.Rotorpulley10.Enginepulley
2.Unhookthebrakespringfromtheidlerarmtorelease
thebelttension(Figure37).
3.Removethescrewandcurvedwasherthatholdsthe
rotorpulley(Figure37).
4.Removetherotorpulleyandthedrivebelt(Figure37).
5.Installthenewdrivebelt,routingitasshownin(Figure
38).
Figure38
1.Brakespring(installon
idlerarmhere)
3.Enginepulley
2.Idlerpulley4.Rotorpulley
Note:Routethenewdrivebeltrstaroundtheengine
pulley,thentheidlerpulley,andnallyaroundthe
looserotorpulleypositionedjustabovetherotorshaft
(Figure37).
6.Installtherotorpulleyontotherotorshaft(Figure37).
7.Installthecurvedwasherandtherotorpulleyboltand
tightenthemsecurely(Figure37).
Note:Theconcavesideofthecurvedwashergoes
againsttheoutsideofthepulley.
8.Installthebrakespringontotheidlerarm(Figure38).
9.Installthedrivebeltcoverwiththeboltsyouremoved
instep1.
Note:Ensurethatthedrivebeltisproperlyadjusted
andoperating;refertoCheckingtheControlCableand
AdjustingtheControlCable.
18
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(Figure36)intoanapprovedgasoline
container.
7.Disposeofunusedfuelproperly.Recycleitaccording
tolocalcodes,oruseitinyourautomobile.
8.Whiletheengineisstillwarm,changetheengineoil.
RefertoChangingtheEngineOil.
9.Removethesparkplug.
10.Squirt2teaspoonsofoilintothesparkplughole.
11.Installthesparkplugbyhandandthentorqueitto
20–22ft-lb(27–30N-m).
12.WiththeignitionkeyintheOffposition,pulltherecoil
starterslowlytodistributetheoilontheinsideofthe
cylinder.
13.Cleanthemachine.
14.Touchupchippedsurfaceswithpaintavailablefroman
AuthorizedServiceDealer.Sandaffectedareasbefore
painting,andusearustpreventativetopreventthe
metalpartsfromrusting.
15.Tightenanyloosefasteners.Repairorreplaceany
damagedparts.
16.Coverthemachineandstoreitinaclean,dryplace
outofthereachofchildren.Allowtheenginetocool
beforestoringitinanyenclosure.
19
Notes:
20
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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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