Toro Power Clear 721 QZE Snowthrower User manual

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

This manual is also suitable for

FormNo.3385-219RevA
PowerClear
®
721QZR/QZESnowthrower
ModelNo.38743—SerialNo.315000001andUp
ModelNo.38744—SerialNo.315000001andUp
Operator'sManual
Introduction
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Thismachineisintendedtobeusedbyresidential
homeowners.Itisdesignedforremovingsnowfrom
pavedsurfaces,suchasdrivewaysandsidewalks,and
othersurfacesfortraf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.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
©2014—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.T oro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3385-219*A
Contents
Introduction..................................................................1
Training.................................................................2
Preparation.............................................................2
Operation...............................................................3
ClearingaCloggedDischargeChute..........................3
MaintenanceandStorage..........................................3
ToroSnowthrowerSafety.........................................3
SafetyandInstructionalDecals.................................5
Setup............................................................................6
1UnfoldingtheHandle............................................6
2InstallingtheDischargeChute................................6
3FillingtheEnginewithOil......................................7
4AdjustingtheControlCable...................................7
ProductOverview..........................................................8
Operation.....................................................................9
FillingtheFuelTank................................................9
CheckingtheEngineOilLevel..................................9
StartingtheEngine.................................................10
EngagingtheRotorBlades.......................................11
DisengagingtheRotorBlades..................................12
StoppingtheEngine...............................................12
AdjustingtheDischargeChuteandChute
Deector...........................................................12
ClearingaCloggedDischargeChute.........................12
PreventingFreeze-upafterUse.................................13
OperatingTips......................................................13
Maintenance.................................................................14
RecommendedMaintenanceSchedule(s)......................14
AdjustingtheControlCable.....................................14
InspectingtheRotorBlades.....................................15
ChangingtheEngineOil.........................................15
ServicingtheSparkPlug..........................................16
ReplacingtheDriveBelt..........................................18
AdjustingtheQuickShoot™Control........................18
Storage........................................................................21
StoringtheSnowthrower.........................................21
Safety
Readandunderstandthecontentsofthismanualbefore
youstarttheengine.
Thesafetyalertsymbolshownin
Figure2isusedto
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
WARNING
Handcontactwiththerotatingrotorbladesinside
thedischargechuteisthemostcommoncauseof
injuryassociatedwithmachines.Neveruseyour
handtocleanoutthedischargechute.
Toclearthechute:
•Shuttheengineoff!
•Wait10secondstobesuretherotorbladeshavestopped
rotating.
•Alwaysuseacleanouttool,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.
3
•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.
115-5698
Orderpartno.117-9121
1.Cuttingdismembermenthazards,impellerandauger—do
notplaceyourhandinthechute;removetheignitionkey
andreadtheinstructionsbeforeservicingorperforming
maintenance.
117-9103
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.
Screws
3
Chuteassembly
1
2
Dischargechutehandle1
Installthedischargechute.
1
UnfoldingtheHandle
NoPartsRequired
Procedure
1.Loosenthehandleknobs,pulloutthe“U”-shaped
handlelocksuntilyoucanmovethehandlefreely,and
rotatethehandletotheoperatingposition(
Figure4).
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:
3
Screws
1
Chuteassembly
1Dischargechutehandle
Procedure
Installthedischargechuteasshown(
Figure7).
Figure7
1.Dischargechute
2.Screw(3)
Note:Foreasierinstallation,useasmallratchetwrenchto
tightenthescrews.
Important:Donotovertightenthescrews;otherwise
youmaydamagethedischargechuteandpreventit
fromturningfreely.
3
FillingtheEnginewithOil
NoPartsRequired
Procedure
Yourmachinedoesnotcomewithoilintheengine,butit
doescomewithabottleofoil.
Important:Beforestartingtheengine,lltheengine
withoil.
Note:Thebottleofoilmaycontainmorethanisrequired.
Donotoverllorunderlltheengine.
Maxll:.0.6l(20oz),type:automotivedetergentoilwithan
APIserviceclassicationofSJ,SL,orhigher.
Use
Figure8belowtoselectthebestoilviscosityforthe
outdoortemperaturerangeexpected:
Figure8
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoilllcap(Figure9).
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.
7
4
AdjustingtheControlCable
NoPartsRequired
Procedure
RefertoAdjustingtheControlCable(page14).
ProductOverview
Figure10
1.Chutedeectortrigger
8.Electric-startbutton
2.Dischargechute9.Ignitionkey
3.Fueltankcap
10.Chokelever
4.Controlbar11.Oildrainplug
5.QuickShoot™control12.Oilllcap
6.Recoilstarthandle
13.Chutedeector
7.Primer
8
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(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.
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 .Wait3minutesforthe
oiltosettleandaddenoughtobringittothepoint
ofoverow .(Max.ll:20oz.(0.6l),type:SAE30
detergentoilwithanAPIserviceclassicationofSJ,
SL,orhigher.)
9
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).
Figure14
1.Chokelever
Figure15
1.Symbolsonthechokeleverindicatingtomovethechoke
levertotherighttoactivatethechoke.
3.Firmlypushintheprimerwithyourthumbasindicated
bythechartbelow,holdingintheprimerforasecond
beforereleasingiteachtime(Figure16).
Numberofprimes
Temperature
3
0°F(-18°C)orabove
6
Below0°F(-18°C)
Figure16
Note:Removeyourglovewhenyoupushinthe
primersothataircannotescapefromtheprimerhole.
Important:Donotusetheprimerorthechokeif
theenginehasbeenrunningandishot.Excessive
primingmayoodtheengineandpreventitfrom
starting.
4.Connectanextensioncordtoapowersourceandthe
machine,andpushtheelectric-startbutton(
Figure17),
orpulltherecoilstarthandle(
Figure18).
Figure17
Note:UseonlyaUL-listed,16-gaugeextensioncord
recommendedforoutdoorusethatisnotlongerthan
15m(50feet).
10
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.
Note:Ifyoupulltherecoilhandleandfeelno
resistance,thestartermaybefrozen.Thawoutthe
starterbeforeattemptingtostartthemachine.
5.Whiletheengineisrunning,pushinthechokelever
slowly.
6.Unplugtheextensioncordfromthepowersourceand
themachine.
CAUTION
Ifyouleavethemachinepluggedintoapower
source,someonecaninadvertentlystartthe
machineandinjurepeopleordamageproperty.
Unplugthepowercordwheneveryouarenot
startingthemachine.
EngagingtheRotorBlades
Toengagetherotorblades,holdthecontrolbaragainstthe
handle(Figure19).
Figure19
1.Controlbar
11
DisengagingtheRotorBlades
Todisengagetherotorblades,releasethecontrolbar(Figure
20).
Figure20
StoppingtheEngine
Tostoptheengine,turntheignitionkeycounterclockwiseto
theOffposition(Figure21).
Figure21
AdjustingtheDischargeChute
andChuteDeector
Toadjustthedischargechute,pressthetriggeroftheQuick
Shoot™controlontherighthandsideofthehandleand
moveitupordownalongthehandle.Movingthecontrol
downthehandlerotatesthedischargechutetotheleft;
movingthecontrolupthehandlerotatesthedischargechute
totheright(
Figure22).
Figure22
Toraiseorlowertheangleofthechutedeector,pressthe
triggeronthechutedeectorandmovethechutedeector
upordown(
Figure23).
Figure23
1.Chutedeectortrigger2.Chutedeector
ClearingaCloggedDischarge
Chute
WARNING
Handcontactwiththerotatingrotorbladesinside
thedischargechuteisthemostcommoncauseof
injuryassociatedwithmachines.Neveruseyour
handtocleanoutthedischargechute.
Toclearthechute:
12
•Shuttheengineoff!
•Wait10secondstobesuretherotorbladeshavestopped
rotating.
•Alwaysuseacleanouttool,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.
1
2
G016654
3
4
Figure24
OperatingTips
WARNING
Therotorbladescanthrowstones,toys,andother
foreignobjectsandcauseseriouspersonalinjuryto
theoperatorortobystanders.
•Keeptheareatobeclearedfreeofallobjects
thattherotorbladescouldpickupandthrow.
•Keepallchildrenandpetsawayfromthearea
ofoperation.
•Removethesnowassoonaspossibleafteritfalls.
•Ifthemachinedoesnotpropelitselfforwardonslippery
surfacesorinheavysnow,pushforwardonthehandle,
butallowthemachinetoworkatitsownpace.
•Overlapeachswathtoensurecompletesnowremoval.
•Dischargethesnowdownwindwheneverpossible.
13
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.
AdjustingtheControlCable
CheckingtheControlCable
ServiceInterval:Afterthersthour—Checkthecontrol
cableandadjustitifnecessary.
Yearly—Checkthecontrolcableandadjustitif
necessary.
Movethecontrolbarbacktowardthehandletoremovethe
slackinthecontrolcable(
Figure25).
Figure25
1.Controlbar2.2mmto3mm(1/16-inch
to1/8-inch)gap
Note:Ensurethata2mmto3mm(1/16-inchto1/8-inch)
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(Figure25).
14
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.
Figure27
1.Removetheupperendof
springfromthishole
3.Pivotpoint
2.Inserttheupperendof
springintothishole
4.Upperendofspring
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).
15
Figure30
1.Oilllcap
7.Unscrewtheoilllcapandremoveit(Figure30).
8.Withthemachineintheoperatingposition,carefully
pouroilintotheoilllholetothepointofoverow
(Figure32).
Note:Youmaytipthemachineforward(handleup)
tomakeaddingoileasier.Remembertoreturnthe
machinetotheoperatingpositionbeforecheckingthe
oillevel.
Important:Donottipthemachinealltheway
forwardontoitsnose,orfuelmayleakoutofthe
machine.
Maxll:0.6l(20oz.),type:automotivedetergentoil
withanAPIserviceclassicationofSJ,SL,orhigher.
UseFigure31belowtoselectthebestoilviscosityfor
theoutdoortemperaturerangeexpected:
Figure31
Figure32
9.Wait3minutesfortheoiltosettleandaddenoughto
bringittothepointofoverow .
10.Screwtheoilllcapintotheoilllhole,andhand
tightenitsecurely.
11.Wipeupanyspilledoil.
12.Disposeoftheusedoilproperlyatalocalrecycling
center.
ServicingtheSparkPlug
ServiceInterval:Yearly—Checkthesparkplugandreplace
itifnecessary.
UseaNGKBPR6ESorChampionRN9YCsparkplug
orequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Rotatethedischargechutesothatitfacesforward.
3.Removethedischargechute,thedischargechute
handle,andthechutesealbyremovingthe3large
screwsandonesmallscrew(Figure33).
16
Figure33
1.Fueltankcap
4.Smallscrew
2.Largescrews(3)5.Chuteseal
3.Dischargechute
4.Removethe4screwsthatsecuretheshroud(Figure34).
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
hardwareyouremovedinstep
3.
17
Note:Thesmallscrewgoesthroughthesmallhole
inthechutesealatthefrontofthedischargechute
opening.
ReplacingtheDriveBelt
Ifdrivebeltbecomesworn,oil-soaked,excessivelycracked,
frayed,orotherwisedamaged,replacethebelt.
1.Removethedrivebeltcoverbyremovingthe3boltsas
showninFigure37.
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
instep
1.
Note:Ensurethatthedrivebeltisproperlyadjusted
andoperating;refertoCheckingtheControlCableand
AdjustingtheControlCable.
AdjustingtheQuickShoot™
Control
Ifthereismorethan1/2inch(13mm)ofslackintheQuick
Shootcable(Figure39)orthedischargechutedoesnotrotate
leftandrightinequalangles,adjusttheQuickShootcontrol
cables.
Figure39
1.1/2inch(13mm)maximumslack
1.LoosenthetwoQuickShootcontrolcableclamps
(Figure40).
18
Figure40
1.Cableclamps
2.PositiontheQuickShootcontrolbetweenthetwo
arrowslocatedontherighthandsideoftheupper
handle(Figure41).
Figure41
1.Arrows
3.Rotatethedischargechutesothatitfacesstraight
aheadandthearrowonthebackofthedischargechute
alignswiththearrowontheshroud(Figure42).
Figure42
19
4.Holdthedischargechuteinthestraight-aheadposition,
pullthelowercablecasingdownwarduntilyouremove
theslackinthecable,andtightenthescrewonthe
lowercableclampsecurely(Figure43).
Figure43
1.Lowercablecasing
5.Pulltheuppercablecasingforwarduntilyouremove
theslackinthecable,andtightenthescrewonthe
uppercableclampsecurely(Figure44).
Figure44
1.Uppercablecasing
Note:Donotover-tensionthecables.Ifthecables
areover-tensioned,theQuickShootwillbehardto
operate.
20
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Toro Power Clear 721 QZE Snowthrower User manual

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