Toro Power Clear 721 R, Power Clear 721 S Operator's Manual

Page 1
PowerClear
ModelNo.38741—SerialNo.404310000andUp
ModelNo.38742—SerialNo.404310000andUp
®
721R/ESnowthrower
FormNo.3423-722RevC
Operator'sManual
Introduction
Thismachineisintendedtobeusedbyresidential homeowners.Itisdesignedprimarilyforremoving snowfrompavedsurfaces,suchasdrivewaysand sidewalks,andothersurfacesfortrafconresidential orcommercialproperties.Itisnotdesignedfor removingmaterialsotherthansnow,norisitdesigned forclearinggravelsurfaces.
Readthisinformationcarefullytolearnhowtooperate andmaintainyourproductproperlyandtoavoid injuryandproductdamage.Youareresponsiblefor operatingtheproductproperlyandsafely.
YoumaycontactT orodirectlyatwww.T oro.com forproductsafetyandoperationtrainingmaterials, accessoryinformation,helpndingadealer,orto registeryourproduct.
Wheneveryouneedservice,genuineToroparts,or additionalinformation,contactanAuthorizedService DealerorToroCustomerServiceandhavethemodel andserialnumbersofyourmachineready.Figure1 identiesthelocationofthemodelandserialnumbers onthemachine.Writethenumbersinthespace provided.
Important:Withyourmobiledevice,youcan
scantheQRcodeontheserialnumberdecal(if equipped)toaccesswarranty,parts,andother productinformation.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas safetymessagesidentiedbythesafety-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.T olocate adealerconvenienttoyou,accessourwebsite atwww.Toro.comorcontactourToroCustomer CareDepartmentatthenumber(s)listedinyour EmissionControlWarrantyStatement.Remove thekitfromtheengineandrestoretheengineto itsoriginalfactorycongurationwhenrunningthe engineunder1500m(5,000ft).Donotoperatean enginethathasbeenconvertedforhigh-altitude
g216757
useatloweraltitudes;otherwise,youcould overheatanddamagetheengine.
Ifyouareunsurewhetherornotyourmachinehas beenconvertedforhigh-altitudeuse,lookforthe followinglabel(Figure3).
©2019—TheT oro®Company 8111LyndaleAvenueSouth Bloomington,MN55420
Registeratwww.Toro.com.
OriginalInstructions(EN)
PrintedinMexico
AllRightsReserved
*3423-722*C
Page 2
Figure3
WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
PreventingFreeze-upafterUse.........................11
Maintenance...........................................................12
RecommendedMaintenanceSchedule(s)...........12
MaintenanceSafety..........................................12
CheckingandAdjustingtheControl
Cable............................................................12
decal127-9363
InspectingtheRotorBlades..............................13
ChangingtheEngineOil...................................14
ServicingtheSparkPlug...................................15
ReplacingtheDriveBelt...................................16
Storage...................................................................17
StoringtheMachine..........................................17
Safety
Thissnowthroweriscapableofinjuringhandsand feetandofthrowingobjects.Failuretoobservethe followingsafetyinstructionscouldresultinserious injury.
ThismachinecomplieswithANSI/OPEIB71.3 specications.
Contents
Introduction...............................................................1
Safety.......................................................................2
GeneralSafety...................................................2
SafetyandInstructionalDecals..........................3
Setup........................................................................4
1UnfoldingtheHandle.......................................4
2InstallingtheDischargeChute.........................4
3FillingtheEnginewithOil.................................4
4AdjustingtheControlCable..............................5
ProductOverview.....................................................6
Specications....................................................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
Deector.......................................................10
ClearingaCloggedDischargeChute................10
OperatingTips.................................................10
AfterOperation.....................................................11
AfterOperationSafety.......................................11
GeneralSafety
Readandunderstandthecontentsofthis
Operator’sManualbeforeyoustarttheengine. Ensurethateveryoneusingthisproductknows howtouseit,knowshowtoshutofftheengine quickly,andunderstandsthewarnings.
Shutofftheenginewheneveryouleavethe
operatingpositionforanyreason.
Donotputyourhandsorfeetnearmovingparts
onthemachine.
Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand working.
Keepclearofanydischargeopening.Keep
bystanders,especiallysmallchildren,outofthe operatingarea.
Neverallowchildrentooperatethemachine.
2
Page 3
SafetyandInstructional Decals
Safetydecalsandinstructionsare easilyvisibletotheoperatorandare locatednearanyareaofpotential danger.Replaceanydecalthatis damagedormissing.
94-2577
1.Toengagetherotorblades,holdthecontrolbaragainst thehandle.
2.Todisengagetherotorblades,releasethecontrolbar.
decal117-9102
117-9102(Model38741only)
OrderPartNo.1 17-6036
decal94-2577
1.Warning—readthe
Operator'sManual.
2.Cutting/dismemberment hazard,impeller—shutoff theengineandwaitfor theaugertostopbefore leavingthemachine.
3.Thrownobject hazard—keepbystanders asafedistanceawayfrom themachine.
4.Fuelspillhazard—donot tipmachinebackward.
5.Engineswitchon
6.Engineswitchoff
7.Primer
8.Pushtheprimer3timesto primetheengine.
9.ReadtheOperator's Manualbeforechecking theengine-oillevel.
115-5660
1.Cutting/dismembermenthazardsofhandorfoot,impeller andauger—donotplaceyourhandinthechute;remove theignitionkeyandreadtheinstructionsbeforeservicing orperformingmaintenance.
133-8061
decal115-5660
decal117-9103
117-9103(Model38742only)
OrderPartNo.1 17-6046
1.Warning—readthe
Operator'sManual.
decal133-8061
2.Cutting/dismemberment hazard,impeller—shutoff theengineandwaitfor theaugertostopbefore leavingthemachine.
3.Thrownobject hazard—keepbystanders asafedistanceawayfrom themachine.
4.Fuelspillhazard—donot tipmachinebackward.
5.Engineswitchon10.Plugthemachineinto
6.Engineswitchoff
7.Primer
8.Pushtheprimer3timesto primetheengine.
9.ReadtheOperator's Manualbeforechecking theengine-oillevel.
powertheelectricstarter.
3
Page 4
Setup
1
UnfoldingtheHandle
NoPartsRequired
Procedure
g263299
2
InstallingtheDischargeChute
NoPartsRequired
Procedure
g217715
4
Page 5
3
FillingtheEnginewithOil
NoPartsRequired
Procedure
4
AdjustingtheControlCable
NoPartsRequired
Procedure
RefertoAdjustingtheControlCable(page13).
g253610
5
Page 6
ProductOverview
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.
Figure7
1.Dischargechute7.Electric-startbutton
2.Discharge-chutehandle8.Ignitionkey
3.Fuel-tankcap
4.Controlbar10.Oil-drainplug
5.Recoil-starthandle
6.Primer
(electric-startmodelonly)
9.Chokelever
11.Oil-llcap
Specications
ModelWeightLengthWidthHeight
38741
38742
37.2kg
(82lb)122cm54cm107cm
39.5kg
(87lb)
(48inches)(21inches)(42inches)
g016243
housingheighttoclearagravelorcrushed-rock surface.
FuelSafety
Fuelisextremelyammableandexplosive.Areor explosionfromfuelcanburnyouandothers.
Topreventastaticchargefromignitingthefuel,
placethecontainerand/ormachineontheground beforelling,notinavehicleoronanobject.
Fillthefueltankoutdoorswhentheengineiscold.
Replacethefuelcapsecurelyandwipeupspills.
Donothandlefuelwhensmokingoraroundan
openameorsparks.
Storefuelinanapprovedfuelcontainer,outofthe
reachofchildren.
Whenfuelisinthetank,tipthemachineonlyas
directedintheinstructions.
Ifyouspillfuelonyourclothing,changeyour
clothingimmediately.
Two-stagemodelsonly:Adjustthecollector
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
BeforeOperation
BeforeOperationSafety
GeneralSafety
Forelectric-startmodelsonly:Useextension
cordsandreceptaclesasspeciedinthemanual.
6
Page 7
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.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
Donotllabovethebottomofthefueltankneck (Figure8).
g216203
Figure8
Important:Forbestresults,purchaseonlythe
quantityoffuelthatyouexpecttousein30days. Otherwise,youmayusefuelstabilizer/conditioner inthemachineatalltimestokeepthefuelfresh longerwhenusedasdirectedbythefuel-stabilizer manufacturer.
DuringOperation
DuringOperationSafety
GeneralSafety
Shutofftheenginebeforeuncloggingthe
machineandalwaysuseastickorthe snow-cleanouttool(ifprovided).
g253610
Figure9
Staybehindthehandlesandawayfromthe
dischargeopeningwhileoperatingthemachine.
Keepyourface,hands,feet,andanyotherpart ofyourbodyorclothingawayfrommovingor rotatingparts.
Neverdirectthedischargetowardpeopleorareas
wherepropertydamagecanoccur.
Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
7
Page 8
causesdistractions;otherwise,injuryorproperty damagemayoccur.
Exercisecautiontoavoidslippingorfalling,
especiallywhenoperatingthemachineinreverse.
Alwaysbesureofyourfooting,andkeeparm
holdonthehandles.Walk;neverrun.
Exerciseextremecautionwhenoperatingthe
machineonaslope.
Donotoperatethemachinewithoutgoodvisibility
orlight.
Lookbehindandusecarewhenbackingupthe
machine.
Whennotactivelyclearingsnow,disengagepower
totheauger.
Exerciseextremecautionwhenoperatingthe
machineonorcrossinggraveldrives(2-stage modelsonly),walks,orroads.Stayalertforhidden hazardsortrafc.
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
primingmayoodtheengineandpreventitfromstarting.
Tousetheelectricstarter(electric-startmodelsonly),connectapowercordtotheelectric-startplug-inrst andthentoagroundfaultcircuitinterrupter(GFCI)poweroutlet.UseonlyaUL-listed,16-gaugepowercord recommendedforoutdoorusethatisnotlongerthan15m(50ft).
WARNING
Theelectricalcordcanbecomedamaged,causingashockorre.
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
Page 9
Figure10
UsingRecoilStart
Note:Removeyourglovewhenyoupushintheprimersothataircannotescapefromtheprimerhole.
Important:Donotusetheprimerorthechokeiftheenginehasbeenrunningandishot.Excessive
primingmayoodtheengineandpreventitfromstarting.
g258356
EngagingtheRotorBlades
Toengagetherotorblades,holdthecontrolbar againstthehandle(Figure12).
g258357
Figure11
g219303
Figure12
9
Page 10
DisengagingtheRotor Blades
Todisengagetherotorblades,releasethecontrolbar (Figure13).
g001128
Figure15
1.Chutehandle2.Chute-deectorhandle
Figure13
ShuttingOfftheEngine
Toshutofftheengine,turntheignitionkey counterclockwisetotheOFFposition(Figure14).
Figure14
g011230
ClearingaClogged DischargeChute
Toclearthechute:
Shuttheengineoff!
Wait10secondstoensurethattherotorblades
havestoppedrotating.
Alwaysuseaclean-outtool;neveruseyourhands.
OperatingTips
WARNING
Therotorbladescanthrowstones,toys, andotherforeignobjectsandcauseserious personalinjurytoyouorbystanders.
Keeptheareatobeclearedfreeofall
g011433
objectsthattherotorbladescouldpickup andthrow.
Keepallchildrenandpetsawayfromthe areaofoperation.
AdjustingtheDischarge ChuteandChuteDeector
Toadjustthedischargechute,movethechutehandle andthechute-deectorhandleasshown(Figure15).
Removethesnowassoonaspossibleafteritfalls.
Overlapeachswathtoensurecompletesnow
removal.
Dischargethesnowdownwindwheneverpossible.
Ifthemachinedoesnotpropelitselfforwardon
slipperysurfacesorinheavysnow,pushforward onthehandle,butallowthemachinetoworkat itsownpace.
Themachinemayleaverubbermarksonnew
brushedorlight-coloredconcrete.T estonan inconspicuouslocationbeforeuse.Thesemarks arenotpermanent.
10
Page 11
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 havedifcultyoperatinganycontrolorpart,start theengineandletitrunforafewminutes.
11
Page 12
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
Afterthersthour
Aftertherst2hours
Beforeeachuseordaily
Yearly
Yearlyorbeforestorage
MaintenanceProcedure
•Checkthecontrolcableandadjustitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary .
•Changetheengineoil.
•Checktheengine-oillevelandaddoilifnecessary.
•Checkthecontrolcableandadjustitifnecessary.
•InspecttherotorbladesandhaveanAuthorizedServiceDealerreplacetherotor bladesandscraperifnecessary.
•Changetheengineoil.
•Servicethesparkplugandreplaceitifnecessary.
•Checkforloosefastenersandtightenthemifnecessary .
•HaveanAuthorizedServiceDealerinspectthedrivebeltandreplaceitifnecessary.
•Preparethemachineforstorage.
MaintenanceSafety
Readthefollowingsafetyprecautionsbefore performinganymaintenanceonthemachine:
Beforeservicing,adjusting,orcleaningthe
machine,shutofftheengineandremovethe key.Ifmajorrepairsareeverneeded,contactan AuthorizedServiceDealer.
Alwaysweareyeprotectionwhileperformingan
adjustmentorrepairtoprotectyoureyesfrom foreignobjectsthatthemachinemaythrow.
Checkallfastenersatfrequentintervalsforproper
tightnesstoensurethatthemachineisinsafe workingcondition.
Donotchangethegovernorsettingsontheengine.
PurchaseonlygenuineTororeplacementparts andaccessories.
g011233
Figure16
1.Controlbar2.1/16inchto1/8inch(2 mmto3mm)gap
CheckingandAdjustingthe ControlCable
CheckingtheControlCable
ServiceInterval:Afterthersthour—Checkthe
controlcableandadjustitif necessary.
Yearly—Checkthecontrolcableandadjustit ifnecessary .
Movethecontrolbarbacktowardthehandleto removetheslackinthecontrolcable(Figure16).
Note:Ensurethata1/16inchto1/8inch(2mmto
3mm)gapexistsbetweenthecontrolbarandthe handle(Figure16).
Important:Thecontrolcablemustcontainsome
slackwhenyoudisengagethecontrolbarforthe rotorbladestostopproperly.
12
Page 13
AdjustingtheControlCable
1.Slideupthespringcoverandunhookthespring fromtheadjusterlink(Figure17).
Figure17
1.Adjusterlink
2.Z-tting
Note:Youcanpulluptheadjusterlinkand
cabletomakeunhookingthespringeasier.
3.Springcover
4.Unhookthespringhere.
g011232
Figure18
g006402
1.Upperendofspring
2.Inserttheupperendof springintothishole
3.Pivotpoint
4.Removetheupperendof springfromthishole
Note:Thebeltmayslip(squeal)inwet
conditions;todryoutthedrivesystem,startthe rotorandrunitwithoutaloadfor30seconds.
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.
InspectingtheRotorBlades
ServiceInterval:Yearly—Inspecttherotorblades
andhaveanAuthorizedService Dealerreplacetherotorbladesand scraperifnecessary .
Beforeeachsession,inspecttherotorbladesfor wear.Whenarotor-bladeedgehasworndownto thewear-indicatorhole,haveanAuthorizedService Dealerreplacetherotorbladesandthescraper (Figure19).
1.Thewear-indicatorholeis intact;youdonotneedto replacetherotorblades.
13
g011544
Figure19
2.Thewear-indicatorholeis exposed;replacetherotor bladesandscraper.
Page 14
ChangingtheEngineOil
ServiceInterval:Aftertherst2hours
8.Withthemachineintheoperatingposition,
carefullypouroilintotheoil-llholetothepoint ofoverow(Figure23).
Yearly
Ifpossible,runtheengineforafewminutesbefore changingtheoiltowarmit.Warmoilowsbetterand carriesmorecontaminants.
EngineOilSpecications
Engineoilcapacity
OilviscosityRefertoFigure22.
APIserviceclassicationSJorhigher
1.Siphonthefuelfromthefueltankintoan approvedfuelcontainer,orruntheengineuntil itshutsoff.
2.Movethemachinetoalevelsurface.
3.Placeanoil-drainpanundertheoil-drainplug, removetheplug,andtipthemachinebackward anddraintheusedoilinthepan(Figure20).
0.60L(20oz)
Note:Youmaytipthemachineforward(handle
up)tomakeaddingoileasier.Rememberto returnthemachinetotheoperatingposition beforecheckingtheoillevel.
Important:Donottipthemachineallthe
wayforwardontoitsnose,orfuelmayleak outofthemachine.
UseFigure22belowtoselectthebestoil viscosityfortheoutdoortemperaturerange expected.
Figure20
4.Afterdrainingtheusedoil,returnthemachineto theoperatingposition.
5.Installtheoil-drainplugandtightenitsecurely.
6.Cleanaroundtheoil-llcap(Figure21).
Figure21
1.Oil-llcap
g011606
g006372
Figure22
g006374
Figure23
9.Wait3minutesfortheoiltosettleandadd
g006316
enoughoiltobringittothepointofoverow.
10.Screwtheoil-llcapintotheoil-llhole,and tightenitsecurelybyhand.
7.Unscrewtheoil-llcapandremoveit(Figure
21).
11.Wipeupanyspilledoil.
12.Disposeoftheusedoilproperlyatalocal recyclingcenter.
14
Page 15
ServicingtheSparkPlug
ServiceInterval:Yearly—Servicethesparkplugand
replaceitifnecessary.
UseaNGKBPR6ESorChampionRN9YCspark plugorequivalent.
1.Shutofftheengineandwaitforallmovingparts tostop.
2.Rotatethedischargechutesothatitfaces forward.
3.Removethedischargechutebyremovingthe3 screwsholdingthechuteandthescrewsholding thechuteseal(Figure24).
g011435
Figure25
1.Screw(4)3.Sparkplug
2.Shroud4.Spark-plugwire
Figure24
4.Removethe4screwsthatsecuretheshroud (Figure25).
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.
g016327
Figure26
1.Center-electrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
15
g000533
Page 16
12.Installthesparkplugandtorqueitto20to22 ft-lb(27to30N-m).
13.Connectthewiretothesparkplug.
Note:Ensurethatthebreathertubeisrouted
abovethespark-plugwireasshowninFigure
27.
Figure27
1.Breathertube
2.Carburetordrainbolt
ReplacingtheDriveBelt
Ifthedrivebeltbecomesworn,oil-soaked,excessively cracked,frayed,orotherwisedamaged,replacethe belt.
1.Removethedrive-beltcoverbyremovingthe3 boltsasshowninFigure28.
g011440
g008238
Figure28
14.Removethefuel-tankcap.
15.Installtheshroudwiththescrewsthatyou removedinstep4.
Note:Ensurethattheupperandlowershrouds
ttogetherinthesidegrooves.
16.Installthefuel-tankcap.
17.Installthechuteseal,thedischargechute,and thedischarge-chutehandleontothemachine usingthehardwarethatyouremovedinstep3.
Note:Thesmallscrewgoesthroughthe
smallholeinthechutesealatthefrontofthe discharge-chuteopening.
1.Drive-beltcover6.Drivebelt
2.Bolt(3)7.Rotorshaft
3.Rotor-pulleybolt
4.Curvedwasher
5.Rotorpulley10.Enginepulley
8.Brakespring(unhookfrom idlerarmhere)
9.Idlerpulley
2.Unhookthebrakespringfromtheidlerarmto releasethebelttension(Figure28).
3.Removethescrewandcurvedwasherthat holdstherotorpulley(Figure28).
4.Removetherotorpulleyandthedrivebelt (Figure28).
5.Installthenewdrivebelt,routingitasshownin
Figure29.
1.Brakespring(installon
idlerarmhere)
2.Idlerpulley4.Rotorpulley
16
g008317
Figure29
3.Enginepulley
Page 17
Note:Routethenewdrivebeltrstaroundthe
enginepulley,thentheidlerpulley,andnally 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
Fuelfumesarehighlyammable,explosive, anddangerousifinhaled.Ifyoustorethe productinanareawithanopename,thefuel fumesmayigniteandcauseanexplosion.
Donotstorethemachineinahouse(living area),basement,oranyotherareawhere ignitionsourcesmaybepresent,such ashotwaterandspaceheaters,clothes dryers,furnaces,andotherappliances.
Donottipthemachineeitherforward orbackwardwithfuelinthefueltank; otherwise,fuelmayleakoutofthe machine.
Donotstorethemachinewithitshandle tippeddownontotheground;otherwise, oilleaksintotheenginecylinderandonto theground,andtheenginedoesnotstart orrun.
1.Onthelastrefuelingoftheseason,addfuel stabilizertofreshfuelasdirectedbythe fuel-stabilizermanufacturer.
Important:Donotstorefuellonger
thanthatsuggestedbythefuel-stabilizer manufacturer.
2.Runtheenginefor10minutestodistributethe conditionedfuelthroughthefuelsystem.
3.Shutofftheengine,allowittocool,andsiphon thefueltankorruntheengineuntilitshutsoff.
4.Starttheengineandrunituntilitshutsoff.
5.Chokeorprimetheengine,startitathirdtime, andruntheengineuntilitdoesnotstart.
6.Drainthefuelinthecarburetorthroughthe carburetor-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
Page 18
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
Page 19
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 CaliforniagovernmenthasclariedthataProp65warning“isnotthesameasaregulatorydecisionthataproductis‘safe’or‘unsafe.’”Manyofthese chemicalshavebeenusedineverydayproductsforyearswithoutdocumentedharm.Formoreinformation,gotohttps://oag.ca.gov/prop65/faqs-view-all
AProp65warningmeansthatacompanyhaseither(1)evaluatedtheexposureandhasconcludedthatitexceedsthe“nosignicantrisklevel”;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 “nosignicantrisk”range,outofanabundanceofcaution,T orohaselectedtoprovidetheProp65warnings.Moreover,ifT orodoesnotprovidethese warnings,itcouldbesuedbytheStateofCaliforniaorbyprivatepartiesseekingtoenforceProp65andsubjecttosubstantialpenalties.
RevA
Page 20
Loading...