Toro Commercial 21in Lawn Mower User manual

Category
Lawnmowers
Type
User manual
FormNo.3362-438RevA
21inCommercialLawnMower
ModelNo.22155—SerialNo.290000001andUp
ModelNo.22156—SerialNo.290000001andUp
ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)
Warning
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Thisengineisnotequippedwitha
sparkarrestermufer.ItisaviolationofCalifornia
PublicResourceCodeSection4442touseoroperate
theengineonanyforest-covered,brush-covered,or
grass-coveredland.Otherstatesorfederalareas
mayhavesimilarlaws.
ThissparkignitionsystemcomplieswithCanadian
ICES-002.
Theenclosed
Engine Owner’ s Man ual
issupplied
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCalifornia
EmissionControlRegulationofemissionsystems,
maintenance,andwarranty.Replacementsmaybe
orderedthroughtheenginemanufacturer.
Introduction
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperating
theproductproperlyandsafely.
YoumaycontactTorodirectlyatwww.Toro.comfor
productandaccessoryinformation,helpndinga
dealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafetyalertsymbol
(Figure2),whichsignalsahazardthatmaycauseserious
injuryordeathifyoudonotfollowtherecommended
precautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2009—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved
Contents
Introduction.................................................................2
Safety...........................................................................3
GeneralOperation...............................................3
SlopeOperation...................................................4
Children...............................................................4
Service.................................................................4
SafetyandInstructionalDecals.............................5
Setup............................................................................6
1InstallingtheHandle..........................................6
2FillingtheEnginewithOil.................................8
3InstalltheMulchPlugorGrassBag....................9
ProductOverview......................................................10
Controls.............................................................10
Operation...................................................................11
CheckingtheEngineOilLevel............................11
FillingtheFuelTankwithGasoline.....................11
StartingtheEngine.............................................11
StoppingtheEngine...........................................13
OperatingtheSelf-propelDrive..........................13
AdjustingtheCuttingHeight..............................14
MulchingtheClippings.......................................14
BaggingtheClippings.........................................14
Side-dischargingtheClippings............................16
OperatingTips...................................................17
Maintenance...............................................................18
RecommendedMaintenanceSchedule(s)................18
PremaintenanceProcedures....................................18
PreparingforMaintenance.................................18
EngineMaintenance...............................................19
ServicingtheAirCleaner....................................19
ChangingtheEngineOil....................................19
ServicingtheSparkPlug.....................................20
DriveSystemMaintenance.....................................21
AdjustingtheSelf-propelDrive...........................21
BladeMaintenance.................................................21
MaintainingtheCuttingBlade.............................21
Cleaning.................................................................22
CleaningtheMowerHousing..............................22
Storage.......................................................................23
PreparingtheFuelSystem...................................23
PreparingtheEngine..........................................23
GeneralInformation..........................................23
RemovingtheLawnMowerfromStorage............23
Troubleshooting.........................................................24
Safety
ThislawnmowermeetsorexceedstheCPSCblade
safetyrequirementsforwalk-behindrotarylawnmowers
andtheB71.1specicationsoftheAmericanNational
StandardsInstituteineffectatthetimeofproduction.
Readandunderstandthecontentsofthismanual
beforeyoustarttheengine.
Thesafetyalertsymbol(Figure2)isusedtoalertyou
topotentialpersonalinjuryhazards.Obeyallsafety
messagesthatfollowthissymboltoavoidpossibleinjury
ordeath.Improperlyusingormaintainingthismower
couldresultininjuryordeath.Toreducethispotential,
complywiththefollowingsafetyinstructions.
Thefollowinginstructionshavebeenadaptedfromthe
ANSI/OPEIstandardB71.1-2003.
Thiscuttingmachineiscapableofamputating
handsandfeetandofthrowingobjects.Failure
toobservethefollowingsafetyinstructionscould
resultinseriousinjuryordeath.
GeneralOperation
Read,understand,andfollowallinstructionsonthe
machineandinthemanual(s)beforestarting.
Donotputhandsorfeetnearorunderthemachine.
Keepclearofthedischargeopeningatalltimes.
Onlyallowresponsibleadults,whoarefamiliarwith
theinstructions,tooperatethismachine.
Cleartheareaofobjectssuchasrocks,wire,toys,
etc.,whichcouldbethrownbytheblade.Stay
behindthehandlewhentheengineisrunning.
Besuretheareaisclearofbystandersbefore
operating.Stopmachineifanyoneentersthearea.
Donotoperatemachinebarefootedorwhilewearing
sandals.Alwayswearsubstantialfootwear.
Donotpullmachinebackwardunlessabsolutely
necessary.Alwayslookdownandbehindbeforeand
whilemovingbackward.
Neverdirectdischargedmaterialtowardanyone.
Avoiddischargingmaterialagainstawallor
obstruction.Materialmayricochetbacktoward
theoperator.Stopthebladewhencrossinggravel
surfaces.
Donotoperatemachinewithouttheentiregrass
catcher,dischargeguard,rearguard,orothersafety
protectivedevicesinplaceandworking.
Neverleavearunningmachineunattended.
Stoptheengineandwaituntilthebladecomes
toacompletestopbeforecleaningthemachine,
3
removinggrasscatcher,oruncloggingthedischarge
guard.
Operatemachineonlyindaylightorgoodarticial
light.
Donotoperatemachinewhileundertheinuence
ofalcoholordrugs.
Neveroperatemowerinwetgrass.Alwaysbesure
ofyourfooting;walk;neverrun.
Disengagethedrivesystem,ifsoequipped,before
startingtheengine.
Ifthemachineshouldstarttovibrateabnormally,
stoptheengineandcheckforthecauseimmediately.
Vibrationisgenerallyawarningoftrouble.
Alwaysweareyeprotectionwhenoperatingmachine.
Seemanufacturer’sinstructionsforproperoperation
andinstallationofaccessories.Onlyuseaccessories
approvedbythemanufacturer.
SlopeOperation
Slopesareamajorfactorrelatedtoslipandfallaccidents,
whichcanresultinsevereinjury.Operationonallslopes
requireextracaution.Ifyoufeeluneasyonaslope,do
notmowit.
Mowacrossthefaceofslopes;neverupanddown.
Exerciseextremecautionwhenchangingdirection
onslopes.
Watchforholes,ruts,bumps,rocks,orotherhidden
objects.Uneventerraincouldcauseaslipandfall
accident.Tallgrasscanhideobstacles.
Donotmowonwetgrassorexcessivelysteepslopes.
Poorfootingcouldcauseaslipandfallaccident.
Donotmowneardrop-offs,ditches,or
embankments.Youcouldloseyourfootingor
balance.
Children
Tragicaccidentscanoccuriftheoperatorisnotalertto
thepresenceofchildren.Childrenareoftenattractedto
themachineandthemowingactivity.Neverassume
thatchildrenwillremainwhereyoulastsawthem.
Keepchildrenoutofthemowingareaandunder
thewatchfulcareofaresponsibleadultotherthan
theoperator.
Bealertandturnmoweroffifachildentersthearea.
Neverallowchildrentooperatethemachine.
Useextracarewhenapproachingblindcorners,
shrubs,trees,orotherobjectsthatmayblockyour
viewofachild.
Service
SafeHandlingofGasoline
Toavoidpersonalinjuryorpropertydamage,use
extremecareinhandlinggasoline.Gasolineis
extremelyammableandthevaporsareexplosive.
Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.
Useonlyanapprovedgasolinecontainer.
Neverremovegascaporaddfuelwiththeengine
running.Allowenginetocoolbeforerefueling.
Neverrefuelthemachineindoors.
Neverstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlightsuchas
onawaterheateroronotherappliances.
Neverllcontainersinsideavehicleoronatruck
ortrailerbedwithaplasticliner.Alwaysplace
containersonthegroundawayfromyourvehicle
beforelling.
Removegas-poweredequipmentfromthetruck
ortrailerandrefuelitontheground.Ifthisisnot
possible,thenrefuelsuchequipmentwithaportable
container,ratherthanfromagasolinedispenser
nozzle.
Keepthenozzleincontactwiththerimofthefuel
tankorcontaineropeningatalltimesuntilfuelingis
complete.Donotuseanozzlelock-opendevice.
Iffuelisspilledonclothing,changeclothing
immediately.
Neveroverllfueltank.Replacegascapandtighten
securely.
Exhaustcontainscarbonmonoxide,an
odorless,deadlypoisonthatcankillyou.
Donotruntheengineindoorsorinanenclosed
area.
GeneralService
Neveroperatemachineinaclosedarea.
Keepallnutsandboltstighttobesuretheequipment
isinsafeworkingcondition.
Nevertamperwithsafetydevices.Checktheir
properoperationregularly.
Keepmachinefreeofgrass,leaves,orotherdebris
build-up.Cleanupoilorfuelspillageandremove
4
anyfuel-soakeddebris.Allowmachinetocool
beforestoring.
Ifyoustrikeaforeignobject,stopandinspectthe
machine.Repair,ifnecessary,beforestarting.
Nevermakeanyadjustmentsorrepairswiththe
enginerunning.Disconnectthesparkplugwire
andgroundagainstenginetopreventunintended
starting.
Checkgrasscatchercomponentsandthedischarge
guardfrequentlyandreplacewithmanufacturer’s
recommendedparts,whennecessary.
Mowerbladesaresharp.Wrapthebladeorwear
gloves,anduseextracautionwhenservicingthem.
Donotchangetheenginegovernorsettingor
overspeedtheengine.
Maintainorreplacesafetyandinstructionlabels,as
necessary.
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.
ManufacturersMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal
machinemanufacturer.
94-8072
110-9457
1.EngineswitchOff
3.Unlocked
2.EngineswitchOn
4.Locked
114-2820
1.Warning—readthe
OperatorsManual.
4.Cutting/dismemberment
hazardofhandorfoot,
mowerblade—stayaway
frommovingparts.
2.Thrownobject
hazard—keepbystanders
asafedistancefromthe
machine.
5.Cutting/dismemberment
hazardofhandorfoot,
mowerblade—remove
theignitionkeyandread
theinstructionsbefore
servicingorperforming
maintenance.
3.Thrownobjecthazard—do
notoperatethemower
withoutthereardischarge
plugorbaginplace;do
notoperatethemower
withoutthesidedischarge
coverordeectorinplace.
6.Cutting/dismemberment
hazardofhandorfoot,
mowerblade—donot
operateupanddown
slopes;operatesideto
sideonslopes;stopthe
enginebeforeleavingthe
operatingposition;and
lookbehindyouwhen
backingup.
5
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
Bolt(1/2x1-1/2inches)
4
Curvedwasher
2
Spacer
2
1
Locknut(1/2inch)
4
Installthehandle.
2
SAE30WdetergentoilwithanAPI
serviceclassicationofSH,SJ,SL,or
higher(notsuppliedwiththemower).
20oz.
(0.55l)
Filltheenginewithoil.
3
Nopartsrequired
Installthemulchplugorgrassbag.
1
InstallingtheHandle
Partsneededforthisprocedure:
4
Bolt(1/2x1-1/2inches)
2
Curvedwasher
2
Spacer
4
Locknut(1/2inch)
Procedure
1.Removethetwoscrewsthatholdthebackcoverin
placeandremovethebackcover(Figure3).
Figure3
2.Attachthehandletothemowerhousing(Figure4)
usingthe4bolts,4locknuts,2spacers,and2curved
washersintheloosepartsbag.
Figure4
1.Bolt(1/2x1-1/2inches)
(4)
3.Spacer(2)
2.Curvedwasher(2)4.Locknut(1/2inch)(4)
Note:Youcansetthehandleheightinoneoftwo
positions(Figure5).Setthehandletoaheightthatis
comfortableforyou.
6
Figure5
1.Higherhandleposition2.Lowerhandleposition
Note:Torqueallboltsto120in-lb(13.6N·m).
3.Routethebladebrakecablearoundtheoutsideof
thehandleandattachthecableend(Figure6).
Figure6
1.Bladebrakecable
3.AttachcableZ-ttingend
here
2.Insertcablejacketend
here
4.Throttlecable
4.Routetheself-propeldrivecablearoundtheoutside
ofthehandle,threadthecablethroughtheopening
onthelefthandsideofthehousing,andattachthe
cableend(Figure7).
Figure7
1.Self-propeldrivecable
3.Attachcableendhere
2.Insertcablejacketend
here
5.Ensurethattheself-propeldriveisproperlyadjusted.
RefertoAdjustingtheSelf-propelDriveinthe
Maintenancesection.
6.Routethethrottlecablearoundtheoutsideofthe
handle,insertthecablejacketinthecableclamp,
andattachthecableendtothethrottleleveronthe
engine(Figure6andFigure8).
Figure8
1.Attachcableendhere3.Throttlecable
2.Cableclamp
7.Adjustthethrottlecablebydoingthefollowing:
A.SetthethrottlecontroltotheFastposition
(Figure9).
7
Figure9
B.Removetheaircleanercovertoseethethrottle
ontheenginemoreeasily(Figure10).
Figure10
C.Movethethrottleleverontheengineuntil
thethrottleleverjusttouchesthechokelever
(Figure11).
Figure11
1.Setscrew
3.Throttlelever
2.Chokelever
D.Tightenthesetscrew(Figure11).
E.Installtheaircleanercover.
8.Installthebackcoverwiththetwoscrewsyou
removedinstep1.
2
FillingtheEnginewithOil
Partsneededforthisprocedure:
20oz.
(0.55l)
SAE30WdetergentoilwithanAPIservice
classicationofSH,SJ,SL,orhigher(notsupplied
withthemower).
Procedure
Important:Yourmower
does not
comewithoil
intheengine.
1.Removethedipstick(Figure12).
Figure12
2.Slowlypouroilintotheoillltube,periodically
checkingthelevelwiththedipstick,untilthedipstick
indicatesthattheengineisfullasillustratedin
Figure12.Donotoverll.(Max.ll:20oz.(0.55l),
type:SAE30WdetergentoilwithanAPIservice
classicationofSH,SJ,SL,orhigher.)
Note:Ifyouoverlltheengine,poursomeoilout
ofitasdirectedinChangingtheEngineOil.
3.Installthedipsticksecurely.
Important:
Change the engine oil after the r st
5 operating hour s
;changeityearlythereafter.
RefertoChangingtheEngineOil.
8
3
InstalltheMulchPlugorGrass
Bag
NoPartsRequired
Procedure
Youmustcorrectlyinstallthemulchplug(formulching
orside-discharging)orgrassbag(forbagging)orthe
enginewillnotstart.
Themowerhasasafetyswitch,locatedatthebottom
ofachannelonthetop,rightrearofthemower,that
preventsthemowerfromoperatingwithoutamulch
plugorgrassbag.Thispreventsthemowerfrom
throwingdebrisattheoperatorthroughtherearchute.
Fortheswitchtodetectthepresenceofthemulchplug,
thetopofthemulchpluglevermustliefullyinthe
bottomofthechannel(Figure13).
Figure13
1.Topofmulchplugleverinswitchchannel
1.Insertthemulchplugintothemower,ifitisnt
alreadyinstalled(Figure14).
Figure14
2.Squeezethebuttonontheleverwithyourthumb
andfullyinsertthemulchplugintotheopening
(Figure14).
3.Releasethebuttonontheleverandensurethatthe
topoftheleverisliesfullyintheswitchchannel.If
thetopoftheleverisnotintheswitchchannel,
yourmowerwillnotstart!
Note:Iftheleverdoesnotlatchproperly,
disconnectthewirefromthesparkplugandcheck
forandremoveanydebrisbuildupinthetunnel.
9
ProductOverview
Figure15
1.Handle
6.Oilll/dipstick
2.Bladecontrolbar
7.Airlter
3.Self-propeldrivebar8.Cuttingheightlever(4)
4.Fueltank
9.Sparkplug
5.Starterhandle
10.Throttlecontrollever
Figure16
1.Grassbag3.Mulchplug(installed)
2.Sidedischargechute
Controls
Figure17
1.Recoilstarthandle
3.Self-propeldrivebar
2.Bladecontrolbar4.Throttlecontrollever
Thethrottlesettingsareshownin(Figure18).
Figure18
1.Choke3.Slow
2.Fast
4.Stop
10
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
1.Removethedipstick,wipeitclean,andinsertit
intotheoilllerneck,butdonotscrewitin
(Figure19).
Figure19
2.Removethedipstickandchecktheoillevel
(Figure19).
Ifthereisnooilonthedipstick,slowlypouroil
intotheoillltube,periodicallycheckingthelevel
withthedipstick,untilthedipstickindicatesthat
theengineisfullasillustratedinFigure19.Donot
overll.(Max.ll:20oz.(0.55l),type:SAE30W
detergentoilwithanAPIserviceclassicationof
SH,SJ,SL,orhigher.)
Note:Ifyouoverlltheengine,poursomeoilout
ofitasdirectedinChangingtheEngineOil.
3.Installthedipsticksecurely.
FillingtheFuelTankwith
Gasoline
Gasolineisextremelyammableandexplosive.
Areorexplosionfromgasolinecanburnyou
andothers.
Topreventastaticchargefromignitingthe
gasoline,placethecontainerand/ormower
directlyonthegroundbeforelling,notina
vehicleoronanobject.
Fillthetankoutdoorswhentheengineis
cold.Wipeupspills.
Donothandlegasolinewhensmokingor
aroundanopenameorsparks.
Storegasolineinanapprovedfuelcontainer,
outofthereachofchildren.
Fillthefueltankwithfreshunleadedregulargasoline
fromamajorname-brandservicestation(Figure20).
Important:Toreducestartingproblems,add
fuelstabilizertothefuelallseason,mixingitwith
gasolinelessthan30daysold.
Figure20
StartingtheEngine
Important:Themowerhasasafetyswitchthat
preventsyoufromstartingthemowerunless
yourstinstallthemulchplugorthegrassbag
securelyonthemower.
1.Installthemulchplug(Figure21)orthegrassbag
(Figure22)onthemower.
11
Figure21
1.Topofmulchplugleverinswitchchannel
Figure22
2.TurnthefuelvalvelevertotheOnposition
(Figure23).
Figure23
3.Movethechoke/throttlelevertotheChoke
position(Figure18).
4.Holdthebladecontrolbaragainstthehandleand
pulltherecoilstarteronceortwice(Figure24).
Note:Pulltherecoilstarthandlelightlyuntilyou
feelresistance,thenpullitbriskly.
Figure24
1.Recoilstarthandle
5.Movethechoke/throttlelevertotheFastposition
(Figure18).
6.Holdthebladecontrolbaragainstthehandleand
pulltherecoilstarter(Figure24).
7.Ifthemowerdoesnotstartin1or2pulls,repeat
steps3through6.
Note:Ifthemowerstilldoesnotstart,contactan
AuthorizedServiceDealer.
12
StoppingtheEngine
ServiceInterval:Beforeeachuseordaily
Tostoptheengine,releasethebladecontrolbar
(Figure25).
Important:Whenyoureleasethebladecontrol
bar,boththeengineandbladeshouldstopwithin
3seconds.Iftheydonotstopproperly,stop
usingyourmowerimmediatelyandcontactan
AuthorizedServiceDealer.
Figure25
1.Bladecontrolbar
OperatingtheSelf-propel
Drive
Model22271only
1.Tooperatetheself-propeldrive,squeezethe
self-propeldrivebaragainstthehandleandhold
it(Figure26).
Figure26
1.Self-propeldrivebar
Note:Themaximumself-propeldrivespeedis
xed.Toreducethespeed,increasethespace
betweentheself-propeldrivebarandthehandle.
2.Todisengagetheself-propeldrive,releasethe
self-propeldrivebar.
Note:Themowercomeswithfreewheeling
clutcheswhichmakeiteasiertopullthemower
rearward.Todisengagetheclutches,youmayneed
topushthemowerforwardoneinch(2.5cm)or
moreafteryoureleasetheself-propeldrivebar.
13
AdjustingtheCuttingHeight
Cuttingheightsarefrom1inch(25mm)to4-1/2
inches(114mm)in1/2-inch(13mm)increments.
Adjustingthecuttingheightmaybringyouinto
contactwiththemovingblade,causingserious
injury.
Stoptheengineandwaitforallmovingparts
tostop.
Donotputyourngersunderthehousing
whenadjustingthecuttingheight.
Adjustthecuttingheightasdesired(Figure27).Setall
fourwheelstothesameheight.
Note:Toraisethemower,moveall4cuttingheight
leversforward;tolowerthemower,movethem
rearward.
Figure27
1.Highestheight-of-cut
position(leversforward)
2.Lowestheight-of-cut
position(leversrearward)
MulchingtheClippings
Yourmowercomesfromthefactoryreadytomulch
thegrassandleafclippingsbackintothelawn.
Ifthegrassbagisonthemower,removeit(refer
toRemovingtheGrassBag)beforemulchingthe
clippings.Ifthesidedischargechuteisonthemower,
removeitandlockthesidedischargedoor(referto
RemovingtheSideDischargeChute)beforemulching
theclippings.
Important:Themowerhasasafetyswitchthat
preventsyoufromstartingthemowerunlessyou
rstinstallthemulchplugsecurelyonthemower
(Figure28).
InstallthemulchplugasillustratedinFigure28.
Figure28
1.Topofmulchplugleverinswitchchannel
BaggingtheClippings
Usethegrassbagwhenyouwanttocollectgrassand
leafclippingsfromthelawn.
Ifthesidedischargechuteisonthemower,removeit
andlockthesidedischargedoor(refertoRemovingthe
SideDischargeChute)beforebaggingtheclippings.
14
Aworngrassbagcouldallowsmallstones
andothersimilardebristobethrowninthe
operator’sorbystander’sdirectionandresultin
seriouspersonalinjuryordeathtotheoperator
orbystanders.
Checkthegrassbagfrequently.Ifitis
damaged,installanewTororeplacementbag.
Thebladeissharp;contactingthebladecan
resultinseriouspersonalinjury.
Stoptheengineandwaitforallmovingpartsto
stopbeforeleavingtheoperatingposition.
InstallingtheGrassBag
1.Removethemulchplug(Figure29).
Figure29
2.Insertthegrassbaghandleintothegroovesatthe
topofthemower.
Important:Themowerhasasafetyswitchthat
preventsyoufromstartingthemowerunless
yourstinstallthegrassbagsecurelyonthe
mower.
RemovingtheGrassBag
1.Liftthegrassbaghandleoutfromthegroovesat
thetopofthemowerandremovethebagfromthe
mower(Figure30).
Figure30
2.Insertthemulchplug(Figure31).
Figure31
15
Side-dischargingthe
Clippings
Usethesidedischargeforcuttingverytallgrass.
Ifthebagisonthemower,removeitandinsertthe
mulchplug(refertoRemovingtheGrassBag)before
side-dischargingtheclippings.
Important:Themowerhasasafetyswitchthat
preventsyoufromstartingthemowerunlessyou
rstinstallthemulchplugsecurelyonthemower
(refertoMulchingtheClippings).
InstallingtheSideDischargeChute
1.Unlockthesidedischargedoor(Figure32).
Figure32
2.Liftopenthesidedischargedoor(Figure33).
Figure33
3.Installthesidedischargechuteandclosethedoor
ontothechute(Figure34).
Figure34
RemovingtheSideDischargeChute
Toremovethesidedischargechute,reversethesteps
above.
Important:Lockthesidedischargedoorafteryou
closeit(Figure35).
Figure35
16
OperatingTips
GeneralTips
Maintainasharpbladethroughoutthecutting
season.Periodicallyledownnicksontheblade.
Replacethebladewhennecessarywithanoriginal
Tororeplacementblade.
Mowonlydrygrassorleaves.Wetgrassandleaves
tendtoclumpontheyardandcancausethemower
toplugortheenginetostall.
Wetgrassorleavescancauseseriousinjuryif
youslipandcontacttheblade.
Mowonlyindryconditions.
Cleanunderthemowerhousingaftereachmowing.
SeeCleaningundertheMowerHousing.
Keeptheengineingoodrunningcondition.
Settheenginespeedtothefastestpositionforthe
bestcuttingresults.
Operatingamowerwithitsenginerunningat
aspeedgreaterthanthefactorysettingcan
causethemowertothrowapartofthebladeor
engineintotheoperator’sorbystander’sarea
andresultinseriouspersonalinjuryordeath.
Donotchangetheenginespeedsetting.
Ifyoususpecttheenginespeedisfaster
thannormal,contactanAuthorizedService
Dealer.
Cleantheairlterfrequently.Mulchingstirsup
moreclippingsanddustwhichclogstheairlter
andreducesengineperformance.
CuttingGrass
Grassgrowsatdifferentratesatdifferenttimesof
theyear.Inthesummerheat,itisbesttocutgrass
atthe2-inch(51mm),2-1/2inch(64mm),or
3-inch(76mm)cuttingheightsettings.Cutonly
aboutathirdofthegrassbladeatatime.Donot
cutbelowthe2-1/2inch(64mm)settingunlessthe
grassissparseoritislatefallwhengrassgrowth
beginstoslowdown.
Whencuttinggrassover6inches(15cm)tall,rst
mowatthehighestcuttingheightsettingandwalk
slower;thenmowagainatalowersettingforthe
bestlawnappearance.Ifthegrassistoolongand
theleavesclumpontopofthelawn,themowermay
plugandcausetheenginetostall.
Alternatethemowingdirection.Thishelpsdisperse
theclippingsoverthelawnforevenfertilization.
Ifthenishedlawnappearanceisunsatisfactory,try
oneormoreofthefollowing:
Sharpentheblade.
Walkataslowerpacewhilemowing.
Raisethecuttingheightonyourmower.
Cutthegrassmorefrequently.
Overlapcuttingswathsinsteadofcuttingafull
swathwitheachpass.
Setthecuttingheightonthefrontwheelsonenotch
lowerthantherearwheels.
CuttingLeaves
Aftercuttingthelawn,ensurethathalfofthelawn
showsthroughthecutleafcover.Youmayneedto
makemorethanonepassovertheleaves.
Forlightleafcoverage,setallthewheelsatthesame
cuttingheightsetting.
Iftherearemorethan5inches(12.7cm)ofleaves
onthelawn,setthefrontcuttingheight1or2
notcheshigherthantherearcuttingheight.This
makesiteasiertofeedtheleavesunderthemower
housing.
Slowdownyourmowingspeedifthemowerdoes
notcuttheleavesnelyenough.
Ifyoumowoveroakleaves,youcanaddlimeto
thegrassinthespringtoreducetheacidityofthe
oakleaves.
17
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst5hours
Changetheengineoil.
Beforeeachuseordaily
Checktheengineoillevel.
Ensurethattheenginestopswithin3secondsafterreleasingthebladecontrolbar.
Checktheaircleanerfordirtand/ordamageandcleanorreplaceitifnecessary.
Cleangrassclippingsanddirtfromunderthemower.
Every100hours
Checkthesparkplug.
Every200hours
Replacethesparkplug.
Beforestorage
Emptythefueltankbeforerepairsasdirectedandbeforeannualstorage.
Yearly
Cleantheairlter(morefrequentlyindustyoperatingconditions).
Changetheengineoil.
Replacethebladeorhaveitsharpened(morefrequentlyiftheedgedullsquickly).
Premaintenance
Procedures
PreparingforMaintenance
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthesparkplugwirefromthesparkplug
(Figure36)beforeperforminganymaintenance
procedure.
Figure36
3.Afterperformingthemaintenanceprocedure(s),
connectthesparkplugwiretothesparkplug.
Important:Beforetippingthemowertochange
theoilorreplacetheblade,allowthefueltank
torundrythroughnormalusage.Ifyoumust
tipthemowerpriortorunningoutoffuel,usea
handfuelpumptoremovethefuel.Alwaystip
themowerontoitssidewiththeairlterup.
Tippingthemowermaycausethefueltoleak.
Gasolineisammable,explosiveandcancause
personalinjury.
Runtheenginedryorremovethegasolinewith
ahandpump;neversiphon.
18
EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily
Yearly
1.Pressdownonthelatchtabsontopoftheaircleaner
cover(Figure37).
Figure37
1.Latchtabs
2.Openthecover(Figure38).
Figure38
3.Removetheairlter(Figure39).
Figure39
1.Aircleanercover
2.Airlter
4.Iftheairlterisdamagedoriswetwithoilorfuel,
replaceit.
5.Iftheairlterisdirty,tapitonahardsurfaceseveral
timesorblowcompressedairlessthan30psi(207
kPa)throughthesideofthelterthatfacesthe
engine.
Note:Donotbrushthedirtoffthelter;brushing
forcesdirtintothebers.
6.Removedirtfromtheaircleanerbodyandcover
usingamoistrag.Donotwipedirtintotheair
duct.
7.Installthelterintotheaircleaner.
8.Closethecover.
ChangingtheEngineOil
ServiceInterval:Aftertherst5hours
Yearly
Runtheengineafewminutesbeforechangingtheoil
towarmit.Warmoilowsbetterandcarriesmore
contaminants.
1.Performthepre-maintenanceprocedures;referto
PreparingforMaintenance.
2.Removethedipstick(Figure40).
Figure40
3.Tipthemowerontoitsside,withtheairlterup,
todraintheusedoiloutthroughtheoillltube
(Figure41).
19
Figure41
4.Slowlypouroilintotheoillltube,periodically
checkingthelevelwiththedipstick,untilthedipstick
indicatesthattheengineisfullasillustratedin
Figure40.Donotoverll.(Max.ll:20oz.(0.55
l),type:SAE30WdetergentoilwithanAPIservice
classicationofSH,SJ,SL,orhigher.)
Note:Ifyouoverlltheengine,poursomeoilout
ofit.
5.Installthedipsticksecurely.
6.Disposeoftheusedoilproperlyatalocalrecycling
center.
ServicingtheSparkPlug
ServiceInterval:Every100hours
Every200hours
UseanNGKBPR6ESsparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(Figure36).
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercandamage
theengine.
5.Setthegapontheplugto0.030in.(0.76mm)
(Figure42).
Figure42
1.Centerelectrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Installthesparkplugandthegasketsealbyhand.
7.Tightentheplug1/2turnafterthesparkplugseats
tocompressthewasher.
Note:Wheninstallingtheoriginalsparkplugagain,
tighten1/8to1/4turnafterthesparkplugseats
tocompressthewasher.
Note:Under-tighteningthesparkplugcancause
theplugtobecomeveryhotandcandamagethe
engine.Overtighteningthesparkplugcandamage
thethreadsintheenginecylinderhead.
8.Connectthewiretothesparkplug.
20
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Toro Commercial 21in Lawn Mower User manual

Category
Lawnmowers
Type
User manual

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