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FormNo.3423-722RevC
PowerClear
®
721R/ESnowthrower
ModelNo.38741—SerialNo.404310000andUp
ModelNo.38742—SerialNo.404310000andUp
Operator'sManual
Introduction
Thismachineisintendedtobeusedbyresidential
homeowners.Itisdesignedprimarilyforremoving
snowfrompavedsurfaces,suchasdrivewaysand
sidewalks,andothersurfacesfortrafconresidential
orcommercialproperties.Itisnotdesignedfor
removingmaterialsotherthansnow,norisitdesigned
forclearinggravelsurfaces.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
YoumaycontactTorodirectlyatwww.Toro.com
forproductsafetyandoperationtrainingmaterials,
accessoryinformation,helpndingadealer,orto
registeryourproduct.
Wheneveryouneedservice,genuineT oroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourmachineready.Figure1
identiesthelocationofthemodelandserialnumbers
onthemachine.Writethenumbersinthespace
provided.
Important:Withyourmobiledevice,youcan
scantheQRcodeontheserialnumberdecal(if
equipped)toaccesswarranty,parts,andother
productinformation.
g216757
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
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.Remove
thekitfromtheengineandrestoretheengineto
itsoriginalfactorycongurationwhenrunningthe
engineunder1500m(5,000ft).Donotoperatean
enginethathasbeenconvertedforhigh-altitude
useatloweraltitudes;otherwise,youcould
overheatanddamagetheengine.
Ifyouareunsurewhetherornotyourmachinehas
beenconvertedforhigh-altitudeuse,lookforthe
followinglabel(Figure3).
©2019—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.Toro.com.
OriginalInstructions(EN)
PrintedinMexico
AllRightsReserved
*3423-722*C
decal127-9363
Figure3
WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Contents
Introduction...............................................................1
Safety.......................................................................2
GeneralSafety...................................................2
SafetyandInstructionalDecals..........................3
Setup........................................................................4
1UnfoldingtheHandle.......................................4
2InstallingtheDischargeChute.........................4
3FillingtheEnginewithOil.................................4
4AdjustingtheControlCable..............................5
ProductOverview.....................................................6
Specications....................................................6
Operation..................................................................6
BeforeOperation...................................................6
BeforeOperationSafety.....................................6
FillingtheFuelT ank............................................7
CheckingtheEngine-OilLevel............................7
DuringOperation...................................................7
DuringOperationSafety.....................................7
StartingtheEngine.............................................8
EngagingtheRotorBlades.................................9
DisengagingtheRotorBlades..........................10
ShuttingOfftheEngine.....................................10
AdjustingtheDischargeChuteandChute
Deector.......................................................10
ClearingaCloggedDischargeChute................10
OperatingTips.................................................10
AfterOperation.....................................................11
AfterOperationSafety.......................................11
PreventingFreeze-upafterUse.........................11
Maintenance...........................................................12
RecommendedMaintenanceSchedule(s)...........12
MaintenanceSafety..........................................12
CheckingandAdjustingtheControl
Cable............................................................12
InspectingtheRotorBlades..............................13
ChangingtheEngineOil...................................14
ServicingtheSparkPlug...................................15
ReplacingtheDriveBelt...................................16
Storage...................................................................17
StoringtheMachine..........................................17
Safety
Thissnowthroweriscapableofinjuringhandsand
feetandofthrowingobjects.Failuretoobservethe
followingsafetyinstructionscouldresultinserious
injury.
ThismachinecomplieswithANSI/OPEIB71.3
specications.
GeneralSafety
•Readandunderstandthecontentsofthis
Operator’sManualbeforeyoustarttheengine.
Ensurethateveryoneusingthisproductknows
howtouseit,knowshowtoshutofftheengine
quickly,andunderstandsthewarnings.
•Shutofftheenginewheneveryouleavethe
operatingpositionforanyreason.
•Donotputyourhandsorfeetnearmovingparts
onthemachine.
•Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand
working.
•Keepclearofanydischargeopening.Keep
bystanders,especiallysmallchildren,outofthe
operatingarea.
•Neverallowchildrentooperatethemachine.
2
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.
decal133-8061
133-8061
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
1
UnfoldingtheHandle
NoPartsRequired
Procedure
g263299
2
InstallingtheDischargeChute
NoPartsRequired
Procedure
g217715
4
ProductOverview
g016243
Figure7
1.Dischargechute7.Electric-startbutton
(electric-startmodelonly)
2.Discharge-chutehandle8.Ignitionkey
3.Fuel-tankcap
9.Chokelever
4.Controlbar10.Oil-drainplug
5.Recoil-starthandle
11.Oil-llcap
6.Primer
Specications
ModelWeightLengthWidthHeight
37.2kg
38741
(82lb)122cm54cm107cm
39.5kg
38742
(87lb)
(48inches)(21inches)(42inches)
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
BeforeOperation
BeforeOperationSafety
GeneralSafety
•Forelectric-startmodelsonly:Useextension
cordsandreceptaclesasspeciedinthemanual.
Inspecttheelectricalcordbeforepluggingitinto
apowersource.Ifthecordisdamaged,replace
it.Unplugthepowercordwheneveryouarenot
startingthemachine.
•Wearappropriateclothing,includingeye
protection;longpants;substantial,slip-resistant
footwear;andhearingprotection.Tiebacklong
hair,securelooseclothing,anddonotwearloose
jewelry.
•Thoroughlyinspecttheareawhereyouwillusethe
machine,andremovealldoormats,sleds,boards,
wires,andotherforeignobjects.
•Ifashield,safetydevice,ordecalisdamaged,
illegible,ormissing,repairorreplaceitbefore
beginningoperation.Also,tightenanyloose
fasteners.
•Two-stagemodelsonly:Adjustthecollector
housingheighttoclearagravelorcrushed-rock
surface.
FuelSafety
Fuelisextremelyammableandexplosive.Areor
explosionfromfuelcanburnyouandothers.
•Topreventastaticchargefromignitingthefuel,
placethecontainerand/ormachineontheground
beforelling,notinavehicleoronanobject.
•Fillthefueltankoutdoorswhentheengineiscold.
Replacethefuelcapsecurelyandwipeupspills.
•Donothandlefuelwhensmokingoraroundan
openameorsparks.
•Storefuelinanapprovedfuelcontainer,outofthe
reachofchildren.
•Whenfuelisinthetank,tipthemachineonlyas
directedintheinstructions.
•Ifyouspillfuelonyourclothing,changeyour
clothingimmediately.
6
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.
Donotllabovethebottomofthefueltankneck
(Figure8).
g216203
Figure8
Important:Forbestresults,purchaseonlythe
quantityoffuelthatyouexpecttousein30days.
Otherwise,youmayusefuelstabilizer/conditioner
inthemachineatalltimestokeepthefuelfresh
longerwhenusedasdirectedbythefuel-stabilizer
manufacturer.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
g253610
Figure9
DuringOperation
DuringOperationSafety
GeneralSafety
•Shutofftheenginebeforeuncloggingthe
machineandalwaysuseastickorthe
snow-cleanouttool(ifprovided).
•Staybehindthehandlesandawayfromthe
dischargeopeningwhileoperatingthemachine.
Keepyourface,hands,feet,andanyotherpart
ofyourbodyorclothingawayfrommovingor
rotatingparts.
•Neverdirectthedischargetowardpeopleorareas
wherepropertydamagecanoccur.
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
7
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Exercisecautiontoavoidslippingorfalling,
especiallywhenoperatingthemachineinreverse.
•Alwaysbesureofyourfooting,andkeeparm
holdonthehandles.Walk;neverrun.
•Exerciseextremecautionwhenoperatingthe
machineonaslope.
•Donotoperatethemachinewithoutgoodvisibility
orlight.
•Lookbehindandusecarewhenbackingupthe
machine.
•Whennotactivelyclearingsnow,disengagepower
totheauger.
•Exerciseextremecautionwhenoperatingthe
machineonorcrossinggraveldrives(2-stage
modelsonly),walks,orroads.Stayalertforhidden
hazardsortrafc.
•Neverattempttomakeanyadjustmentswhile
theengineisrunning,exceptasdirectedinthe
instructions.
•Afterstrikingaforeignobject,shutofftheengine,
removetheignitionkey(electric-startmodels
only),inspectthemachinefordamage.Repairany
damagebeforestartingthemachine.
•Ifthemachinestartstovibrateabnormally,shutoff
theengineandcheckimmediatelyforthecause.
•Donotruntheengineindoors;exhaustfumesare
dangerous.
•Donotoverloadthemachinecapacityby
attemptingtoclearsnowattoofastarate.
•Disengageallclutchesandshiftintoneutralbefore
startingtheengine.
•Shutofftheenginewheneveryouleavethe
operatingposition,beforeclearingorunclogging
thecollector,impeller,ordischargechute,and
whenmakinganyrepairs,adjustments,or
inspections.
•Neveroperatethemachineathightransport
speedsonslipperysurfaces.
StartingtheEngine
UsingElectricStart
Note:Removeyourglovewhenyoupushintheprimersothataircannotescapefromtheprimerhole.
Important:Donotusetheprimerorthechokeiftheenginehasbeenrunningandishot.Excessive
primingmayoodtheengineandpreventitfromstarting.
Tousetheelectricstarter(electric-startmodelsonly),connectapowercordtotheelectric-startplug-inrst
andthentoagroundfaultcircuitinterrupter(GFCI)poweroutlet.UseonlyaUL-listed,16-gaugepowercord
recommendedforoutdoorusethatisnotlongerthan15m(50ft).
WARNING
Theelectricalcordcanbecomedamaged,causingashockorre.
Thoroughlyinspecttheelectricalcordbeforepluggingitintoapowersource.Ifthecord
isdamaged,donotuseit.Replaceorrepairthedamagedcordimmediately.Contactan
AuthorizedServiceDealerforassistance.
Important:Runtheelectricstarternomorethan10timesatintervalsof5secondson,then5seconds
off.Runningtheelectricstarterextensivelycanoverheatanddamageit.Iftheenginedoesnotstart
afterthisseriesofattempts,waitatleast40minutestoallowthestartertocoolbeforeattemptingto
startitagain.Iftheenginedoesnotstartafterthesecondseriesofattempts,takethemachinetoan
AuthorizedServiceDealerforservice.
Iftherecoilstarterdoesnotoperateproperly,itmaybefrozen.Thawoutthestarterbeforeattemptingto
startthemachine.
CAUTION
Ifyouleavethemachinepluggedintoapowersource,someonecaninadvertentlystartthe
machineandinjurepeopleordamageproperty(electric-startmodelsonly).
Unplugthepowercordwheneveryouarenotstartingthemachine.
8
g258356
Figure10
UsingRecoilStart
Note:Removeyourglovewhenyoupushintheprimersothataircannotescapefromtheprimerhole.
Important:Donotusetheprimerorthechokeiftheenginehasbeenrunningandishot.Excessive
primingmayoodtheengineandpreventitfromstarting.
g258357
Figure11
EngagingtheRotorBlades
Toengagetherotorblades,holdthecontrolbar
againstthehandle(Figure12).
g219303
Figure12
9
DisengagingtheRotor
Blades
Todisengagetherotorblades,releasethecontrolbar
(Figure13).
g011230
Figure13
ShuttingOfftheEngine
Toshutofftheengine,turntheignitionkey
counterclockwisetotheOFFposition(Figure14).
g011433
Figure14
AdjustingtheDischarge
ChuteandChuteDeector
Toadjustthedischargechute,movethechutehandle
andthechute-deectorhandleasshown(Figure15).
g001128
Figure15
1.Chutehandle2.Chute-deectorhandle
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
onthehandle,butallowthemachinetoworkat
itsownpace.
•Themachinemayleaverubbermarksonnew
brushedorlight-coloredconcrete.Testonan
inconspicuouslocationbeforeuse.Thesemarks
arenotpermanent.
10
AfterOperation
AfterOperationSafety
GeneralSafety
•Neverstorethemachinewithfuelinthefuel
tankinsideabuildingwhereignitionsourcesare
present,suchashotwaterheaters,spaceheaters,
orclothesdryers.Allowtheenginetocoolbefore
storingthemachineinanyenclosure.
•Whenstoringthemachineformorethan30
days,refertoStorage(page17)forimportant
information.
•Runthemachineafewminutesafterthrowing
snowtopreventfreeze-upofthecollectorand
impeller.
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
havedifcultyoperatinganycontrolorpart,start
theengineandletitrunforafewminutes.
11
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Afterthersthour
•Checkthecontrolcableandadjustitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary.
Aftertherst2hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengine-oillevelandaddoilifnecessary.
Yearly
•Checkthecontrolcableandadjustitifnecessary.
•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor
bladesandscraperifnecessary.
•Changetheengineoil.
•Servicethesparkplugandreplaceitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary.
•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.
Yearlyorbeforestorage
•Preparethemachineforstorage.
MaintenanceSafety
Readthefollowingsafetyprecautionsbefore
performinganymaintenanceonthemachine:
•Beforeservicing,adjusting,orcleaningthe
machine,shutofftheengineandremovethe
key.Ifmajorrepairsareeverneeded,contactan
AuthorizedServiceDealer.
•Alwaysweareyeprotectionwhileperformingan
adjustmentorrepairtoprotectyoureyesfrom
foreignobjectsthatthemachinemaythrow.
•Checkallfastenersatfrequentintervalsforproper
tightnesstoensurethatthemachineisinsafe
workingcondition.
•Donotchangethegovernorsettingsontheengine.
PurchaseonlygenuineT ororeplacementparts
andaccessories.
CheckingandAdjustingthe
ControlCable
CheckingtheControlCable
ServiceInterval:Afterthersthour—Checkthe
controlcableandadjustitif
necessary.
Yearly—Checkthecontrolcableandadjustit
ifnecessary.
Movethecontrolbarbacktowardthehandleto
removetheslackinthecontrolcable(Figure16).
g011233
Figure16
1.Controlbar2.1/16inchto1/8inch(2
mmto3mm)gap
Note:Ensurethata1/16inchto1/8inch(2mmto
3mm)gapexistsbetweenthecontrolbarandthe
handle(Figure16).
Important:Thecontrolcablemustcontainsome
slackwhenyoudisengagethecontrolbarforthe
rotorbladestostopproperly.
12
AdjustingtheControlCable
1.Slideupthespringcoverandunhookthespring
fromtheadjusterlink(Figure17).
g006402
Figure17
1.Adjusterlink
3.Springcover
2.Z-tting
4.Unhookthespringhere.
Note:Youcanpulluptheadjusterlinkand
cabletomakeunhookingthespringeasier.
2.MovetheZ-ttingtoahigherorlowerholeon
theadjusterlinkasneededtoobtainthe1/16
inchto1/8inch(2mmto3mm)gapbetween
thecontrolbarandthehandle(Figure17).
Note:MovingtheZ-ttinghigherdecreasesthe
gapbetweenthecontrolbarandthehandle;
movingitlowerincreasesthegap.
3.Hookthespringtotheadjusterlinkandslidethe
springcoverovertheadjusterlink.
4.Checktheadjustment;refertoCheckingthe
ControlCable(page12).
Note:Afterextendeduse,thedrivebeltmay
wearandloseitsproperbelttension.Ifthedrive
beltslips(continuouslysqueals)underaheavy
load,disconnectthespringfromtheadjustorlink
andmovetheupperendofthespringtothehole
thatisfurtherfromthepivotpointinthecontrol
bar(Figure18).Thenconnectthespringtothe
adjustorlinkandadjustthecontrolcable.
g011232
Figure18
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
(Figure19).
g011544
Figure19
1.Thewear-indicatorholeis
intact;youdonotneedto
replacetherotorblades.
2.Thewear-indicatorholeis
exposed;replacetherotor
bladesandscraper.
13
ChangingtheEngineOil
ServiceInterval:Aftertherst2hours
Yearly
Ifpossible,runtheengineforafewminutesbefore
changingtheoiltowarmit.Warmoilowsbetterand
carriesmorecontaminants.
EngineOilSpecications
Engineoilcapacity
0.60L(20oz)
OilviscosityRefertoFigure22.
APIserviceclassicationSJorhigher
1.Siphonthefuelfromthefueltankintoan
approvedfuelcontainer,orruntheengineuntil
itshutsoff.
2.Movethemachinetoalevelsurface.
3.Placeanoil-drainpanundertheoil-drainplug,
removetheplug,andtipthemachinebackward
anddraintheusedoilinthepan(Figure20).
g006372
Figure20
4.Afterdrainingtheusedoil,returnthemachineto
theoperatingposition.
5.Installtheoil-drainplugandtightenitsecurely.
6.Cleanaroundtheoil-llcap(Figure21).
g006316
Figure21
1.Oil-llcap
7.Unscrewtheoil-llcapandremoveit(Figure
21).
8.Withthemachineintheoperatingposition,
carefullypouroilintotheoil-llholetothepoint
ofoverow(Figure23).
Note:Youmaytipthemachineforward(handle
up)tomakeaddingoileasier.Rememberto
returnthemachinetotheoperatingposition
beforecheckingtheoillevel.
Important:Donottipthemachineallthe
wayforwardontoitsnose,orfuelmayleak
outofthemachine.
UseFigure22belowtoselectthebestoil
viscosityfortheoutdoortemperaturerange
expected.
g011606
Figure22
g006374
Figure23
9.Wait3minutesfortheoiltosettleandadd
enoughoiltobringittothepointofoverow.
10.Screwtheoil-llcapintotheoil-llhole,and
tightenitsecurelybyhand.
11.Wipeupanyspilledoil.
12.Disposeoftheusedoilproperlyatalocal
recyclingcenter.
14
ServicingtheSparkPlug
ServiceInterval:Yearly—Servicethesparkplugand
replaceitifnecessary.
UseaNGKBPR6ESorChampionRN9YCspark
plugorequivalent.
1.Shutofftheengineandwaitforallmovingparts
tostop.
2.Rotatethedischargechutesothatitfaces
forward.
3.Removethedischargechutebyremovingthe3
screwsholdingthechuteandthescrewsholding
thechuteseal(Figure24).
g016327
Figure24
4.Removethe4screwsthatsecuretheshroud
(Figure25).
g011435
Figure25
1.Screw(4)3.Sparkplug
2.Shroud4.Spark-plugwire
5.Removethefuel-tankcap.
6.Removetheshroud(Figure25).
7.Installthefuel-tankcap.
8.Disconnectthewirefromthesparkplug.
9.Cleanaroundthesparkplug.
10.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercan
damagetheengine.
11.Setthegapontheplugto0.030inch(0.76mm)
asshowninFigure26.
g000533
Figure26
1.Center-electrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
15
12.Installthesparkplugandtorqueitto20to22
ft-lb(27to30N-m).
13.Connectthewiretothesparkplug.
Note:Ensurethatthebreathertubeisrouted
abovethespark-plugwireasshowninFigure
27.
g011440
Figure27
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
boltsasshowninFigure28.
g008238
Figure28
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(Figure28).
3.Removethescrewandcurvedwasherthat
holdstherotorpulley(Figure28).
4.Removetherotorpulleyandthedrivebelt
(Figure28).
5.Installthenewdrivebelt,routingitasshownin
Figure29.
g008317
Figure29
1.Brakespring(installon
idlerarmhere)
3.Enginepulley
2.Idlerpulley4.Rotorpulley
16
Note:Routethenewdrivebeltrstaroundthe
enginepulley,thentheidlerpulley,andnally
aroundthelooserotorpulleypositionedjust
abovetherotorshaft(Figure28).
6.Installtherotorpulleyontotherotorshaft(Figure
28).
7.Installthecurvedwasherandtherotor-pulley
boltandtightenthemsecurely(Figure28).
Note:Theconcavesideofthecurvedwasher
goesagainsttheoutsideofthepulley.
8.Installthebrakespringontotheidlerarm(Figure
29).
9.Installthedrive-beltcoverwiththeboltsthatyou
removedinstep1.
Note:Ensurethatthedrivebeltisproperly
adjustedandoperating;refertoCheckingthe
ControlCable(page12)andAdjustingthe
ControlCable(page13).
Storage
StoringtheMachine
WARNING
Fuelfumesarehighlyammable,explosive,
anddangerousifinhaled.Ifyoustorethe
productinanareawithanopename,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-drainboltintoanapprovedgasoline
container.
7.Disposeofunusedfuelproperly.Recycleit
accordingtolocalcodes,oruseitinyour
automobile.
8.Whiletheengineisstillwarm,changetheengine
oil.RefertoChangingtheEngineOil(page14).
9.Removethesparkplug.
10.Squirt10ml(2tsp)ofoilintothespark-plughole.
11.Installthesparkplugbyhandandthentorqueit
to27to30N∙m(20to22ft-lb).
17
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.
18
CaliforniaProposition65WarningInformation
Whatisthiswarning?
Youmayseeaproductforsalethathasawarninglabellikethefollowing:
WARNING:CancerandReproductiveHarm—www.p65Warnings.ca.gov.
WhatisProp65?
Prop65appliestoanycompanyoperatinginCalifornia,sellingproductsinCalifornia,ormanufacturingproductsthatmaybesoldinorbroughtinto
California.ItmandatesthattheGovernorofCaliforniamaintainandpublishalistofchemicalsknowntocausecancer,birthdefects,and/orother
reproductiveharm.Thelist,whichisupdatedannually,includeshundredsofchemicalsfoundinmanyeverydayitems.ThepurposeofProp65isto
informthepublicaboutexposuretothesechemicals.
Prop65doesnotbanthesaleofproductscontainingthesechemicalsbutinsteadrequireswarningsonanyproduct,productpackaging,orliteraturewith
theproduct.Moreover,aProp65warningdoesnotmeanthataproductisinviolationofanyproductsafetystandardsorrequirements.Infact,the
CaliforniagovernmenthasclariedthataProp65warning“isnotthesameasaregulatorydecisionthataproductis‘safe’or‘unsafe.’”Manyofthese
chemicalshavebeenusedineverydayproductsforyearswithoutdocumentedharm.Formoreinformation,gotohttps://oag.ca.gov/prop65/faqs-view-all
.
AProp65warningmeansthatacompanyhaseither(1)evaluatedtheexposureandhasconcludedthatitexceedsthe“nosignicantrisklevel”;or(2)
haschosentoprovideawarningbasedonitsunderstandingaboutthepresenceofalistedchemicalwithoutattemptingtoevaluatetheexposure.
Doesthislawapplyeverywhere?
Prop65warningsarerequiredunderCalifornialawonly.ThesewarningsareseenthroughoutCaliforniainawiderangeofsettings,includingbutnot
limitedtorestaurants,grocerystores,hotels,schools,andhospitals,andonawidevarietyofproducts.Additionally,someonlineandmailorder
retailersprovideProp65warningsontheirwebsitesorincatalogs.
HowdotheCaliforniawarningscomparetofederallimits?
Prop65standardsareoftenmorestringentthanfederalandinternationalstandards.TherearevarioussubstancesthatrequireaProp65warning
atlevelsthatarefarlowerthanfederalactionlimits.Forexample,theProp65standardforwarningsforleadis0.5μg/day,whichiswellbelow
thefederalandinternationalstandards.
Whydon’tallsimilarproductscarrythewarning?
•ProductssoldinCaliforniarequireProp65labellingwhilesimilarproductssoldelsewheredonot.
•AcompanyinvolvedinaProp65lawsuitreachingasettlementmayberequiredtouseProp65warningsforitsproducts,butothercompanies
makingsimilarproductsmayhavenosuchrequirement.
•TheenforcementofProp65isinconsistent.
•CompaniesmayelectnottoprovidewarningsbecausetheyconcludethattheyarenotrequiredtodosounderProp65;alackofwarningsfora
productdoesnotmeanthattheproductisfreeoflistedchemicalsatsimilarlevels.
WhydoesToroincludethiswarning?
Torohaschosentoprovideconsumerswithasmuchinformationaspossiblesothattheycanmakeinformeddecisionsabouttheproductstheybuyand
use.Toroprovideswarningsincertaincasesbasedonitsknowledgeofthepresenceofoneormorelistedchemicalswithoutevaluatingthelevelof
exposure,asnotallthelistedchemicalsprovideexposurelimitrequirements.WhiletheexposurefromT oroproductsmaybenegligibleorwellwithinthe
“nosignicantrisk”range,outofanabundanceofcaution,TorohaselectedtoprovidetheProp65warnings.Moreover,ifTorodoesnotprovidethese
warnings,itcouldbesuedbytheStateofCaliforniaorbyprivatepartiesseekingtoenforceProp65andsubjecttosubstantialpenalties.
RevA
/