Toro Power Clear 721 R-C Commercial Snowthrower User manual

Power Clear 721 R-C Commercial Snowthrower
Toro
Brand
Toro
Model
Power Clear 721 R-C Commercial Snowthrower
Category
Snow throwers
Type
User manual

Toro Power Clear 721 R-C Commercial Snowthrower is designed for residential and commercial use, clearing snow from paved surfaces like driveways and sidewalks. It features a powerful engine for efficient snow removal, a control cable for easy operation, and an adjustable discharge chute for directing the snow where you want it. Safety features include a rotor brake system that stops the blades quickly when the control is released, and a safety alert symbol to warn of potential hazards.

Toro Power Clear 721 R-C Commercial Snowthrower is designed for residential and commercial use, clearing snow from paved surfaces like driveways and sidewalks. It features a powerful engine for efficient snow removal, a control cable for easy operation, and an adjustable discharge chute for directing the snow where you want it. Safety features include a rotor brake system that stops the blades quickly when the control is released, and a safety alert symbol to warn of potential hazards.

FormNo.3396-741RevA
PowerClear
®
721R-CCommercialSnowthrower
ModelNo.38751—SerialNo.316000001andUp
Operator'sManual
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Introduction
Thismachineisintendedtobeusedbyresidential
homeownersorprofessional,hiredoperators.Itis
designedforremovingsnowfrompavedsurfaces,
suchasdrivewaysandsidewalks,andothersurfaces
onresidentialorcommercialproperties.Itisnot
designedforremovingmaterialsotherthansnow,noris
itdesignedforclearingoffgravelsurfaces.
Readthisinformationcarefullytolearnhowtooperateand
maintainyourmachineproperlyandtoavoidinjuryand
machinedamage.Youareresponsibleforoperatingthe
machineproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comformachine
andaccessoryinformation,helpndingadealer,ortoregister
yourmachine.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourmachineready.Figure1identiesthelocationofthe
modelandserialnumbersonthemachine.Writethenumbers
inthespaceprovided.
G016241
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
Contents
Introduction..................................................................1
Safety...........................................................................2
Training.................................................................2
Preparation.............................................................2
Operation...............................................................2
ClearingaCloggedDischargeChute..........................3
MaintenanceandStorage..........................................3
©2015—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3396-741*A
ToroSnowthrowerSafety.........................................3
SafetyandInstructionalDecals.................................5
Setup............................................................................6
1UnfoldingtheHandle............................................6
2InstallingtheDischargeChute................................6
3FillingtheEnginewithOil......................................7
4AdjustingtheControlCable...................................7
ProductOverview..........................................................8
Operation.....................................................................8
FillingtheFuelTank................................................9
CheckingtheEngine-OilLevel..................................9
StartingtheEngine..................................................9
EngagingtheRotorBlades.......................................10
DisengagingtheRotorBlades..................................11
StoppingtheEngine...............................................11
AdjustingtheDischargeChute.................................11
ClearingaCloggedDischargeChute.........................11
PreventingFreeze-upafterUse.................................11
OperatingTips......................................................12
Maintenance.................................................................13
RecommendedMaintenanceSchedule(s)......................13
AdjustingtheControlCable.....................................14
InspectingtheRotorBlades.....................................15
ChangingtheEngineOil.........................................15
ServicingtheSparkPlug..........................................16
ReplacingtheDriveBelt..........................................18
Storage........................................................................19
StoringtheSnowthrower.........................................19
Safety
Readandunderstandthecontentsofthismanualbefore
youstarttheengine.
ThesafetyalertsymbolshowninFigure2isusedto
alertyoutopotentialpersonalinjuryhazards.Obeyall
safetymessagesthatfollowthissymboltoavoidpossible
injuryordeath.
Improperlyusingormaintainingthismachinecould
resultininjuryordeath.Toreducethispotential,
complywiththefollowingsafetyinstructions.
Thismachineiscapableofamputatinghandsandfeet
andofthrowingobjects.Failuretoobservethefollowing
safetyinstructionscouldresultinseriousinjury.
Training
•Read,understand,andfollowallinstructionsonthe
machineandinthemanual(s)beforeoperatingthis
machine.Bethoroughlyfamiliarwiththecontrolsand
theproperuseofthemachine.Knowhowtostopthe
machineanddisengagethecontrolsquickly.
•Neverallowchildrentooperatethemachine.Neverallow
adultstooperatethemachinewithoutproperinstruction.
•Keeptheareaofoperationclearofallpersons,particularly
smallchildren.
•Exercisecautiontoavoidslippingorfalling.
Preparation
•Thoroughlyinspecttheareawherethemachineistobe
usedandremovealldoormats,sleds,boards,wires,and
otherforeignobjects.
•Donotoperatethemachinewithoutwearingadequate
wintergarments.Avoidloosettingclothingthatcanget
caughtinmovingparts.Wearfootwearthatwillimprove
footingonslipperysurfaces.
•Handlefuelwithcare;itishighlyammable.
–Useanapprovedfuelcontainer.
–Neveraddfueltoarunningengineorhotengine.
–Fillfueltankoutdoorswithextremecare.Neverll
fueltankindoors.
–Neverllcontainersinsideavehicleoronatruckor
trailerbedwithaplasticliner.Alwaysplacecontainers
ontheground,awayfromyourvehicle,beforelling.
–Whenpractical,removegas-poweredmachineryfrom
thetruckortrailerandrefuelitontheground.If
thisisnotpossible,thenrefuelsuchmachineryona
trailerwithaportablecontainer,ratherthanfroma
gasolinedispensernozzle.
–Keepthenozzleincontactwiththerimofthefuel
tankorcontaineropeningatalltimes,untilrefueling
iscomplete.Donotuseanozzlelock-opendevice.
–Replacegasolinecapsecurelyandwipeupspilledfuel.
–Iffuelisspilledonclothing,changeclothing
immediately.
•Donotattempttoclearsnowfromagravelorcrushed
rocksurface.Thismachineisintendedforuseonlyon
pavedsurfaces.
•Neverattempttomakeanyadjustmentswhiletheengine
isrunning(exceptwhenspecicallyrecommendedby
manufacturer).
•Alwayswearsafetyglassesoreyeshieldsduringoperation
orwhileperforminganadjustmentorrepairtoprotect
eyesfromforeignobjectsthatmaybethrownfromthe
machine.
Operation
•Donotputhandsorfeetnearorunderrotatingparts.
Keepclearofthedischargeopeningatalltimes.
•Exerciseextremecautionwhenoperatingonorcrossing
graveldrives,walks,orroads.Stayalertforhidden
hazardsortrafc.
•Afterstrikingaforeignobject,stoptheengine,remove
theignitionkey,thoroughlyinspectthemachineforany
damage,andrepairthedamagebeforerestartingand
operatingthemachine.
2
•Ifthemachineshouldstarttovibrateabnormally,stopthe
engineandcheckimmediatelyforthecause.Vibrationis
generallyawarningoftrouble.
•Stoptheenginewheneveryouleavetheoperating
position,beforeuncloggingtherotorbladehousing
ordischargechute,andwhenmakinganyrepairs,
adjustmentsorinspections.
•Whencleaning,repairing,orinspectingthemachine,stop
theengineandmakecertainthattherotorbladesandall
movingpartshavestopped.
•Donotruntheengineindoors,exceptwhenstarting
theengineandfortransportingthemachineinorout
ofthebuilding.Opentheoutsidedoors;exhaustfumes
aredangerous.
•Exerciseextremecautionwhenoperatingonslopes.
•Neveroperatethemachinewithoutproperguardsand
othersafetyprotectivedevicesinplaceandworking.
•Neverdirectthedischargetowardpeopleorareaswhere
propertydamagecanoccur.Keepchildrenandothers
away.
•Donotoverloadthemachinecapacitybyattemptingto
clearsnowattoofastarate.
•Lookbehindandusecarewhenbackingupwiththe
machine.
•Disengagepowertotherotorbladeswhenmachineis
transportedornotinuse.
•Neveroperatethemachinewithoutgoodvisibilityor
light.Alwaysbesureofyourfooting,andkeeparm
holdonthehandles.Walk;neverrun.
•Nevertouchahotengineormufer(Figure3).
Figure3
1.Symbolstampedontheexhaustbafeindicatingahot
surface.
ClearingaCloggedDischarge
Chute
Handcontactwiththerotatingrotorbladesinsidethe
dischargechuteisthemostcommoncauseofinjury
associatedwithsnowthrowers.Neveruseyourhandtoclean
outthedischargechute.
Toclearthechute:
•EnsurethattheengineisintheOffposition.
•Wait10secondstobesuretherotorbladeshavestopped
rotating.
•Alwaysuseaclean-outtool,notyourhands.
MaintenanceandStorage
•Checkallfastenersatfrequentintervalsforproper
tightnesstobesurethemachineisinsafeworking
condition.
•Neverstorethemachinewithfuelinthefueltankinsidea
buildingwhereignitionsourcesarepresent,suchashot
waterheaters,spaceheaters,orclothesdryers.Allowthe
enginetocoolbeforestoringinanyenclosure.
•AlwaysrefertotheOperator’sManualforimportantdetails
ifthemachineistobestoredforanextendedperiod.
•Maintainorreplacesafetyandinstructionlabels,as
necessary.
•Runthemachineafewminutesafterthrowingsnowto
preventfreeze-upoftherotorblades.
ToroSnowthrowerSafety
ThefollowinglistcontainssafetyinformationspecictoToro
productsorothersafetyinformationthatyoumustknow.
•Rotatingrotorbladescaninjurengersorhands.
Staybehindthehandlesandawayfromthedischarge
openingwhileoperatingthemachine.Keepyourface,
hands,feet,andanyotherpartofyourbodyor
clothingawayfrommovingorrotatingparts.
•Beforeadjusting,cleaning,repairing,andinspectingthe
machine,andbeforeuncloggingthedischargechute,stop
theengine,removethekey,andwaitforallmoving
partstostop.
•Beforeleavingtheoperatingposition,stoptheengine,
removetheignitionkey,andwaitforallmovingpartsto
stop.
•Ifashield,safetydevice,ordecalisdamaged,illegible,or
lost,repairorreplaceitbeforebeginningoperation.Also,
tightenanyloosefasteners.
•Donotsmokewhilehandlinggasoline.
•Donotusethemachineonaroof.
•Donottouchtheenginewhileitisrunningorsoonafter
ithasstoppedbecausetheenginemaybehotenoughto
causeaburn.
•Performonlythosemaintenanceinstructionsdescribedin
thismanual.Beforeperforminganymaintenance,service,
oradjustment,stoptheengineandremovethekey.If
majorrepairsareeverneeded,contactanAuthorized
ServiceDealer.
•Donotchangethegovernorsettingsontheengine.
3
•Whenstoringthemachineformorethan30days,drain
thefuelfromthefueltanktopreventapotentialhazard.
Storefuelinanapprovedfuelcontainer.Removethekey
fromtheignitionswitchbeforestoringthemachine.
•PurchaseonlygenuineTororeplacementpartsand
accessories.
4
SafetyandInstructionalDecals
Important:Safetyandinstructionaldecalsarelocatednearareasofpotentialdanger.Replacedamageddecals.
94-2577
1.Toengagetherotorblades,holdthecontrolbaragainst
thehandle.
2.Todisengagetherotorblades,releasethecontrolbar.
115-5660
1.Cuttingdismembermenthazards,impellerandauger—do
notplaceyourhandinthechute;removetheignitionkey
andreadtheinstructionsbeforeservicingorperforming
maintenance.
117-9102
Orderpartno.117-6036
1.Warning—readthe
Operator'sManual.
6.EngineswitchOff
2.Cutting/dismemberment
hazard,impeller—stopthe
enginebeforeleavingthe
machine.
7.Primer
3.Thrownobject
hazard—keepbystanders
asafedistancefromthe
machine.
8.Pushtheprimerthree
timestoprimetheengine.
4.Fuelspillhazard—donot
tipmachinebackward.
9.ReadtheOperator's
Manualbeforechecking
engineoillevel.
5.EngineswitchOn
5
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
Bolt2
1
Nut2
Unfoldthehandle.
Dischargechute1
Chutehandle
1
Phillipsheadbolts3
Washers3
2
Locknuts3
Installthedischargechute.
1
UnfoldingtheHandle
Partsneededforthisprocedure:
2Bolt
2Nut
Procedure
1.Rotatethehandletotheoperatingposition,install2
nutsand2bolts,thentightenthe2nutsand2bolts
alreadyinstalledholdingthehandleinplace(Figure4).
Figure4
2.Ensurethatyoudonotpinchorkinkthecontrolcable
(Figure5).
Figure5
1.Controlcable
2
InstallingtheDischargeChute
Partsneededforthisprocedure:
1Dischargechute
1
Chutehandle
3Phillipsheadbolts
3Washers
3Locknuts
Procedure
Installthedischargechuteasshown(Figure6).
6
Figure6
3
FillingtheEnginewithOil
NoPartsRequired
Procedure
Yourmachinedoesnotcomewithoilintheengine,butit
doescomewithabottleofoil.
Important:Beforestartingtheengine,lltheengine
withoil.
Note:Thebottleofoilmaycontainanounceortwomore
thantheenginerequires.Donotoverllorunderllthe
engine.
Maxll:0.6L(20oz),type:automotivedetergentoilwithan
APIserviceclassicationofSJ,SL,orhigher.
UseFigure7belowtoselectthebestoilviscosityforthe
outdoortemperaturerangeexpected:
Figure7
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoil-llcap(Figure8).
Figure8
1.Oil-llcap
3.Unscrewtheoil-llcapandremoveit.
4.Withthemachineintheoperatingposition,carefully
pouroilintothecrankcase.Wait3minutesfortheoil
tosettleandaddenoughtobringittothepointof
overow .Thereshouldbeverylittle,ifany,oilleftin
thebottle.
Note:Youmaytipthemachineforward(handleup)
tomakeaddingoileasier.Remembertoreturnthe
machinetotheoperatingpositionbeforecheckingthe
oillevel.
Important:Donottipthemachinealltheway
forwardontoitsnose,orfuelmayleakoutofthe
machine.
5.Screwtheoil-llcapintotheoil-llholeandtightenit
securely.
7
4
AdjustingtheControlCable
NoPartsRequired
Procedure
RefertoAdjustingtheControlCable(page14).
ProductOverview
Figure9
1.Dischargechute6.Primer
2.Discharge-chutehandle7.Ignitionkey
3.Fuel-tankcap
8.Chokelever
4.Controlbar9.Oil-drainplug
5.Recoil-starthandle
10.Oil-llcap
Operation
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
DANGER
Gasolineisextremelyammableandexplosive.A
reorexplosionfromgasolinecanburnyouand
others.
•Topreventastaticchargefromignitingthe
gasoline,placethecontainerand/ormachine
onthegroundbeforelling,notinavehicleor
onanobject.
•Fillthetankoutdoorswhentheengineiscold.
Wipeupspills.
•Donothandlegasolinewhensmokingoraround
anopenameorsparks.
•Storegasolineinanapprovedfuelcontainer,out
ofthereachofchildren.
•Donottipthemachinebackwardwithfuelin
thefueltank;otherwise,fuelmayleakoutof
themachine.
8
FillingtheFuelTank
•Forbestresults,useonlyclean,fresh,unleadedgasoline
withanoctaneratingof87orhigher((R+M)/2rating
method).
•Oxygenatedfuelwithupto10%ethanolor15%MTBE
byvolumeisacceptable.
•Donotuseethanolblendsofgasoline(suchasE15
orE85)withmorethan10%ethanolbyvolume.
Performanceproblemsand/orenginedamagemayresult
whichmaynotbecoveredunderwarranty.
•Donotusegasolinecontainingmethanol.
•Donotstorefueleitherinthefueltankorfuelcontainers
overthewinterunlessafuelstabilizerisused.
•Donotaddoiltogasoline.
Figure10
1.6mm(1/4inch)
Note:Forbestresults,purchaseonlythequantityofgasoline
thatyouexpecttousein30days.Otherwise,youmayadd
fuelstabilizertonewlypurchasedgasolinetokeepitfreshfor
upto6months.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily—Checkthe
engine-oillevelandaddoilifnecessary.
1.Movethemachinetoalevelsurface.
2.Cleanaroundtheoil-llcap(Figure11).
Figure11
1.Oil-llcap
3.Unscrewtheoil-llcapandremoveit.
4.Iftheoillevelislow,keepthemachineintheoperating
positionandcarefullypouroilintothecrankcase
untilthepointofoverow.Wait3minutesfortheoil
tosettleandaddenoughtobringittothepointof
overow .(Max.ll:0.6L(20oz),type:automotive
detergentoilwithanAPIserviceclassicationofSJ,
SL,orhigher.)
Note:Youmaytipthemachineforward(handleup)
tomakeaddingoileasier.Remembertoreturnthe
machinetotheoperatingpositionbeforecheckingthe
oillevel.
Important:Donottipthemachinealltheway
forwardontoitsnose,orfuelmayleakoutofthe
machine.
5.Screwtheoil-llcapintotheoil-llholeandhand
tightenitsecurely.
StartingtheEngine
1.TurntheignitionkeyclockwisetotheOnposition
(Figure12).
Figure12
2.Pulloutthechokelever(Figure13andFigure14).
9
Figure13
1.Chokelever
Figure14
1.Symbolsonthechokeleverindicatingtopulloutthechoke
levertoactivatethechoke.
3.Firmlypushintheprimer3timeswithyourthumb,
holdingtheprimerinaforasecondbeforereleasingit
eachtime(Figure15).
Figure15
Note:Removeyourglovewhenyoupushinthe
primersothataircannotescapefromtheprimerhole.
Important:Donotusetheprimerorthechokeif
theenginehasbeenrunningandishot.Excessive
primingmayoodtheengineandpreventitfrom
starting.
4.Pulltherecoil-starthandle(Figure16).
Figure16
Note:Ifyoupulltherecoilhandleandfeelno
resistance,thestartermaybefrozen.Thawoutthe
starterbeforeattemptingtostartthemachine.
5.Whiletheengineisrunning,pushinthechokelever
slowly.
EngagingtheRotorBlades
Toengagetherotorblades,holdthecontrolbaragainstthe
handle(Figure17).
Figure17
1.Controlbar
10
DisengagingtheRotorBlades
Todisengagetherotorblades,releasethecontrolbar(Figure
18).
Figure18
StoppingtheEngine
Tostoptheengine,turntheignitionkeycounterclockwiseto
theOffposition(Figure19).
Figure19
AdjustingtheDischargeChute
Toadjustthedischargechute,movethechutehandleandthe
chutedeectorhandleasshown(Figure20).
Figure20
1.Chutehandle2.Chutedeectorhandle
ClearingaCloggedDischarge
Chute
Important:Handcontactwiththerotatingrotorblades
insidethedischargechuteisthemostcommoncauseof
injuryassociatedwithsnowthrowers.Neveruseyour
handtocleanoutthedischargechute.
Toclearthechute:
•EnsurethattheengineisintheOffposition.
•Wait10secondstobesuretherotorbladeshavestopped
rotating.
•Alwaysuseaclean-outtool,notyourhands.
PreventingFreeze-upafterUse
•Lettheenginerunforafewminutestopreventmoving
partsfromfreezing.Stoptheengine,waitforallmoving
partstostop,andremoveiceandsnowfromthemachine.
•Cleanoffanysnowandicefromthebaseofthechute.
•Rotatethedischargechuteleftandrighttofreeitfrom
anyicebuildup.
•WiththeignitionkeyintheOffposition,pulltherecoil
starterhandleseveraltimesorconnecttheelectricalcord
toapowersourceandthemachineandpushtheelectric
startbuttononcetopreventtherecoilstarterand/orthe
electricstarterfromfreezingup.
•Insnowyandcoldconditions,somecontrolsandmoving
partsmayfreeze.Donotuseexcessiveforcewhen
tryingtooperatefrozencontrols.Ifyouhavedifculty
operatinganycontrolorpart,starttheengineandletit
runforafewminutes.
11
1
2
G016654
3
4
Figure21
OperatingTips
WARNING
Therotorbladescanthrowstones,toys,andother
foreignobjectsandcauseseriouspersonalinjuryto
theoperatorortobystanders.
•Keeptheareatobeclearedfreeofallobjects
thattherotorbladescouldpickupandthrow.
•Keepallchildrenandpetsawayfromthearea
ofoperation.
•Removethesnowassoonaspossibleafteritfalls.
•Ifthemachinedoesnotpropelitselfforwardonslippery
surfacesorinheavysnow ,pushforwardonthehandle,
butallowthemachinetoworkatitsownpace.
•Overlapeachswathtoensurecompletesnowremoval.
•Dischargethesnowdownwindwheneverpossible.
12
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Afterthersthour
•Checkthecontrolcableandadjustitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary.
Aftertherst2hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengine-oillevelandaddoilifnecessary.
Every25hours
•Checkthecontrolcableandadjustitifnecessary.
•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor
bladesandscraperifnecessary.
Every50hours
•Changetheengineoil.
•Checkthesparkplugandreplaceitifnecessary.
•Replacethedrivebelt.
Yearly
•Checkthecontrolcableandadjustitifnecessary.
•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor
bladesandscraperifnecessary.
•Changetheengineoil.
•Checkthesparkplugandreplaceitifnecessary.
•Replacethedrivebelt.
•Checkforloosefastenersandtightenthemifnecessary.
•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.
Yearlyorbeforestorage
•Preparethemachineforstorage.
13
AdjustingtheControlCable
CheckingtheControlCable
ServiceInterval:Afterthersthour
Every25hours
Yearly
Movethecontrolbarbacktowardthehandletoremovethe
slackinthecontrolcable(Figure22).
Figure22
1.Controlbar2.2mmto3mm(1/16-inch
to1/8-inch)gap
Note:Ensurethata2mmto3mm(1/16-inchto1/8-inch)
gapexistsbetweenthecontrolbarandthehandle(Figure22).
Important:Thecontrolcablemustcontainsomeslack
whenyoudisengagethecontrolbarfortherotorblades
tostopproperly.
AdjustingtheControlCable
1.Slideupthespringcoverandunhookthespringfrom
theadjusterlink(Figure23).
Figure23
1.Adjusterlink
3.Springcover
2.Z-tting
4.Unhookthespringhere.
Note:Youcanpulluptheadjusterlinkandcableto
makeunhookingthespringeasier.
2.MovetheZ-ttingtoahigherorlowerholeonthe
adjusterlinkasneededtoobtainthe2mmto3mm
(1/16-inchto1/8-inch)gapbetweenthecontrolbar
andthehandle(Figure23).
Note:MovingtheZ-ttinghigherdecreasesthegap
betweenthecontrolbarandthehandle;movingit
lowerincreasesthegap.
3.Hookthespringtotheadjusterlinkandslidethespring
coverovertheadjusterlink.
4.Checktheadjustment;refertoCheckingtheControl
Cable.
Note:Afterextendeduse,thedrivebeltmaywear
andloseitsproperbelttension.Ifthedrivebeltslips
(continuouslysqueals)underaheavyload,disconnect
thespringfromtheadjustorlinkandmovetheupper
endofthespringtotheholethatisfurtherfrom
thepivotpointinthecontrolbar(Figure24).Then
connectthespringtotheadjustorlinkandadjustthe
controlcable.
Figure24
1.Upperendofspring
3.Pivotpoint
2.Inserttheupperendof
springintothishole
4.Removetheupperendof
springfromthishole
Note:Thebeltmayslip(squeal)inwetconditions;
todryoutthedrivesystem,starttherotorandrunit
withoutaloadfor30seconds.
14
InspectingtheRotorBlades
ServiceInterval:Every25hours
Yearly
Beforeeachsession,inspecttherotorbladesforwear.When
arotorbladeedgehasworndowntothewearindicatorhole,
haveanAuthorizedServiceDealerreplacetherotorblades
andthescraper(Figure25).
Figure25
1.Thewearindicatorholeis
intact;youdonotneedto
replacetherotorblades.
2.Thewearindicatorhole
isexposed;replaceboth
rotorblades.
ChangingtheEngineOil
ServiceInterval:Aftertherst2hours
Every50hours
Yearly
Runtheengineafewminutesbeforechangingtheoiltowarm
it.Warmoilowsbetterandcarriesmorecontaminants.
1.Siphonthefuelfromthefueltankintoanapproved
fuelcontainer,orruntheengineuntilitstops.
2.Movethemachinetoalevelsurface.
3.Placeanoil-drainpanundertheoil-drainplug,remove
theoildrainplug,andtipthemachinebackwardand
draintheusedoilintheoil-drainpanFigure26).
Figure26
4.Afterdrainingtheusedoil,returnthemachinetothe
operatingposition.
5.Installtheoil-drainplugandtightenitsecurely.
6.Cleanaroundtheoil-llcap(Figure27).
Figure27
1.Oil-llcap
7.Unscrewtheoil-llcapandremoveit(Figure27).
8.Withthemachineintheoperatingposition,carefully
pouroilintotheoilllhole.Wait3minutesforthe
oiltosettleandaddenoughtobringittothepointof
overow .Thereshouldbeverylittle,ifany,oilleftin
thebottle.(Figure29).
Note:Youmaytipthemachineforward(handleup)
tomakeaddingoileasier.Remembertoreturnthe
machinetotheoperatingpositionbeforecheckingthe
oillevel.
Important:Donottipthemachinealltheway
forwardontoitsnose,orfuelmayleakoutofthe
machine.
Maxll:0.6L(20oz),type:automotivedetergentoil
withanAPIserviceclassicationofSJ,SL,orhigher.
UseFigure28belowtoselectthebestoilviscosityfor
theoutdoortemperaturerangeexpected:
Figure28
15
Figure29
9.Screwtheoil-llcapintotheoilllhole,andhand
tightenitsecurely.
10.Wipeupanyspilledoil.
11.Disposeoftheusedoilproperlyatalocalrecycling
center.
ServicingtheSparkPlug
ServiceInterval:Every50hours
Yearly
UseaNGKBPR6ESorChampionRN9YCsparkplug
orequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Rotatethedischargechutesothatitfacesforward.
3.Removethedischargechutebyremovingthethree
screwsholdingthechute,andthescrewsholdingthe
chuteseal(Figure30).
G016327
Figure30
4.Removethe4screwsthatsecuretheshroud(Figure31).
16
Figure31
1.Screw(4)3.Sparkplug
2.Shroud4.Spark-plugwire
5.Removethefuel-tankcap.
6.Removetheshroud(Figure31).
7.Installthefuel-tankcap.
8.Disconnectthewirefromthesparkplug.
9.Cleanaroundthesparkplug.
10.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,ordirty
sparkplug.Donotcleantheelectrodesbecause
gritenteringthecylindercandamagetheengine.
11.Setthegapontheplugto0.76mm(0.030inch)(Figure
32).
Figure32
1.Center-electrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
12.Installthesparkplugandtorqueitto27to30N-m
(20to22ft-lb).
13.Connectthewiretothesparkplug.
Note:Ensurethatthebreathertubeisroutedabove
thesparkplugwireasshowninFigure33.
Figure33
1.Breathertube
2.Carburetor-drainbolt
14.Removethefuel-tankcap.
15.Installtheshroudwiththescrewsyouremovedinstep
4.
Note:Ensurethattheupperandlowershroudst
togetherinthesidegrooves.
16.Installthefuel-tankcap.
17.Installthechuteseal,thedischargechute,andthe
dischargechutehandleontothemachineusingthe
hardwareyouremovedinstep3.
Note:Thesmallscrewgoesthroughthesmallhole
inthechutesealatthefrontofthedischargechute
opening.
17
ReplacingtheDriveBelt
ServiceInterval:Every50hours
Yearly
Ifdrivebeltbecomesworn,oil-soaked,excessivelycracked,
frayed,orotherwisedamaged,replacethebelt.
1.Removethedrive-beltcoverbyremovingthe3boltsas
showninFigure34.
Figure34
1.Drive-beltcover6.Drivebelt
2.Bolt(3)7.Rotorshaft
3.Rotor-pulleybolt
8.Brakespring(unhookfrom
idlerarmhere)
4.Curvedwasher
9.Idlerpulley
5.Rotorpulley10.Enginepulley
2.Unhookthebrakespringfromtheidlerarmtorelease
thebelttension(Figure34).
3.Removethescrewandcurvedwasherthatholdsthe
rotorpulley(Figure34).
4.Removetherotorpulleyandthedrivebelt(Figure34).
5.Installthenewdrivebelt,routingitasshownin(Figure
35).
Figure35
1.Brakespring(installon
idlerarmhere)
3.Enginepulley
2.Idlerpulley4.Rotorpulley
Note:Routethenewdrivebeltrstaroundtheengine
pulley,thentheidlerpulley,andnallyaroundthe
looserotorpulleypositionedjustabovetherotorshaft
(Figure34).
6.Installtherotorpulleyontotherotorshaft(Figure34).
7.Installthecurvedwasherandtherotorpulleyboltand
tightenthemsecurely(Figure34).
Note:Theconcavesideofthecurvedwashergoes
againsttheoutsideofthepulley.
8.Installthebrakespringontotheidlerarm(Figure35).
9.Installthedrivebeltcoverwiththeboltsyouremoved
instep1.
Note:Ensurethatthedrivebeltisproperlyadjusted
andoperating;refertoCheckingtheControlCable
(page14)andAdjustingtheControlCable(page14).
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(Figure33)intoanapprovedgasoline
container.
7.Disposeofunusedfuelproperly.Recycleitaccording
tolocalcodes,oruseitinyourautomobile.
8.Whiletheengineisstillwarm,changetheengineoil.
RefertoChangingtheEngineOil(page15).
9.Removethesparkplug.
10.Squirt2teaspoonsofoilintothesparkplughole.
11.Installthesparkplugbyhandandthentorqueitto27
to30N-m(20to22ft-lb).
12.WiththeignitionkeyintheOffposition,pulltherecoil
starterslowlytodistributetheoilontheinsideofthe
cylinder.
13.Cleanthemachine.
14.Touchupchippedsurfaceswithpaintavailablefroman
AuthorizedServiceDealer.Sandaffectedareasbefore
painting,andusearustpreventativetopreventthe
metalpartsfromrusting.
15.Tightenanyloosefasteners.Repairorreplaceany
damagedparts.
16.Coverthemachineandstoreitinaclean,dryplace
outofthereachofchildren.Allowtheenginetocool
beforestoringitinanyenclosure.
19
Notes:
20
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Toro Power Clear 721 R-C Commercial Snowthrower User manual

Power Clear 721 R-C Commercial Snowthrower
Toro
Brand
Toro
Model
Power Clear 721 R-C Commercial Snowthrower
Category
Snow throwers
Type
User manual

Toro Power Clear 721 R-C Commercial Snowthrower is designed for residential and commercial use, clearing snow from paved surfaces like driveways and sidewalks. It features a powerful engine for efficient snow removal, a control cable for easy operation, and an adjustable discharge chute for directing the snow where you want it. Safety features include a rotor brake system that stops the blades quickly when the control is released, and a safety alert symbol to warn of potential hazards.

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