Toro Commercial 21in Lawn Mower User manual

Toro
Brand
Toro
Model
Commercial 21in Lawn Mower
Category
Lawnmowers
Type
User manual
FormNo.3375-280RevA
Commercial21inLawnMower
ModelNo.22155—SerialNo.313000001andUp
ModelNo.22156—SerialNo.313000001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3375-280*A
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orotherreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Thisengineisnotequippedwithaspark
arrestermufer.ItisaviolationofCaliforniaPublic
ResourceCodeSection4442touseoroperatetheengine
onanyforest-covered,brush-covered,orgrass-covered
land.Otherstatesorfederalareasmayhavesimilarlaws.
ThissparkignitionsystemcomplieswithCanadianICES-002.
Theenclosed
Engine Owner's Man ual
issuppliedfor
informationregardingtheUSEnvironmentalProtection
Agency(EPA)andtheCaliforniaEmissionControl
Regulationofemissionsystems,maintenance,and
warranty.Replacementsmaybeorderedthroughthe
enginemanufacturer.
Introduction
Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comforproduct
andaccessoryinformation,helpndingadealer,ortoregister
yourproduct.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourproductready.Figure1identiesthelocationofthe
modelandserialnumbersontheproduct.Writethenumbers
inthespaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
©2012—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......................................7
3InstalltheRear-dischargePlugorGrass
Bag....................................................................8
ProductOverview..........................................................9
Controls...............................................................10
Operation....................................................................10
CheckingtheEngineOilLevel.................................10
FillingtheFuelTankwithGasoline...........................11
StartingtheEngine.................................................11
StoppingtheEngine...............................................12
OperatingtheSelf-propelDrive................................12
AdjustingtheCuttingHeight....................................13
RecyclingtheClippings...........................................13
BaggingtheClippings.............................................14
Side-dischargingtheClippings..................................15
OperatingTips......................................................16
Maintenance.................................................................17
RecommendedMaintenanceSchedule(s)......................17
PremaintenanceProcedures........................................17
PreparingforMaintenance.......................................17
EngineMaintenance..................................................18
ServicingtheAirCleaner.........................................18
ChangingtheEngineOil.........................................18
ServicingtheSparkPlug..........................................18
DriveSystemMaintenance.........................................19
AdjustingtheSelf-propelDriveCable........................19
BladeMaintenance.....................................................20
MaintainingtheCuttingBlade..................................20
Cleaning...................................................................21
CleaningundertheMachineHousing........................21
Storage........................................................................21
PreparingtheFuelSystem.......................................21
PreparingtheEngine..............................................21
GeneralInformation...............................................22
RemovingtheMachinefromStorage.........................22
Troubleshooting...........................................................23
Safety
ThislawnmowermeetsorexceedstheCPSCbladesafety
requirementsforwalk-behindrotarylawnmowersandthe
B71.1specicationsoftheAmericanNationalStandards
Instituteineffectatthetimeofproduction.
Readandunderstandthecontentsofthismanualbefore
youstarttheengine.
Thesafetyalertsymbol(Figure2)isusedtoalertyouto
potentialpersonalinjuryhazards.Obeyallsafetymessages
thatfollowthissymboltoavoidpossibleinjuryordeath.
Improperlyusingormaintainingthismowercouldresultin
injuryordeath.Toreducethispotential,complywiththe
followingsafetyinstructions.
Thefollowinginstructionshavebeenadaptedfromthe
ANSI/OPEIstandardB71.1-2003.
Thiscuttingmachineiscapableofamputatinghands
andfeetandofthrowingobjects.Failuretoobserve
thefollowingsafetyinstructionscouldresultinserious
injuryordeath.
GeneralOperation
•Read,understand,andfollowallinstructionsonthe
machineandinthemanual(s)beforestarting.
•Donotputhandsorfeetnearorunderthemachine.
Keepclearofthedischargeopeningatalltimes.
•Onlyallowresponsibleadultswhoarefamiliarwiththe
instructionstooperatethismachine.
•Cleartheareaofobjectssuchasrocks,wire,toys,etc.,
whichcouldbethrownbytheblade.Staybehindthe
handlewhentheengineisrunning.
•Besuretheareaisclearofbystandersbeforeoperating.
Stopthemachineifanyoneentersthearea.
•Donotoperatethemachinebarefootedorwhilewearing
sandals.Alwayswearsubstantialfootwear.
•Donotpullthemachinebackwardunlessabsolutely
necessary.Alwayslookdownandbehindbeforeand
whilemovingbackward.
•Neverdirectdischargedmaterialtowardanyone.Avoid
dischargingmaterialagainstawallorobstruction.
Materialmayricochetbacktowardtheoperator.Stopthe
bladewhencrossinggravelsurfaces.
•Donotoperatemachinewithouttheentiregrasscatcher,
dischargeguard,rearguard,orothersafetyprotective
devicesinplaceandworking.
•Neverleavearunningmachineunattended.
•Stoptheengineandwaituntilthebladecomestoa
completestopbeforecleaningthemachine,removing
grasscatcher,oruncloggingthedischargeguard.
•Operatethemachineonlyindaylightorgoodarticial
light.
3
•Donotoperatethemachinewhileundertheinuence
ofalcoholordrugs.
•Neveroperatethemowerinwetgrass.Alwaysbesureof
yourfooting;walk;neverrun.
•Disengagethedrivesystem,ifsoequipped,before
startingtheengine.
•Ifthemachineshouldstarttovibrateabnormally,stop
theengineandcheckforthecauseimmediately.Vibration
isgenerallyawarningoftrouble.
•Alwaysweareyeprotectionwhenoperatingthemachine.
•Seethemanufacturer'sinstructionsforproperoperation
andinstallationofaccessories.Onlyuseaccessories
approvedbythemanufacturer.
SlopeOperation
Slopesareamajorfactorrelatedtoslipandfallaccidents,
whichcanresultinsevereinjury.Operationonallslopes
requireextracaution.Ifyoufeeluneasyonaslope,donot
mowit.
•Mowacrossthefaceofslopes;neverupanddown.
Exerciseextremecautionwhenchangingdirectionon
slopes.
•Watchforholes,ruts,bumps,rocks,orotherhidden
objects.Uneventerraincouldcauseaslipandfall
accident.Tallgrasscanhideobstacles.
•Donotmowonwetgrassorexcessivelysteepslopes.
Poorfootingcouldcauseaslipandfallaccident.
•Donotmowneardrop-offs,ditches,orembankments.
Youcouldloseyourfootingorbalance.
Children
Tragicaccidentscanoccuriftheoperatorisnotalerttothe
presenceofchildren.Childrenareoftenattractedtothe
machineandthemowingactivity.Neverassumethatchildren
willremainwhereyoulastsawthem.
•Keepchildrenoutofthemowingareaandunderthe
watchfulcareofaresponsibleadultotherthanthe
operator.
•Bealertandturnmoweroffifachildentersthearea.
•Neverallowchildrentooperatethemachine.
•Useextracarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayblockyourviewofachild.
Service
SafeHandlingofGasoline
Toavoidpersonalinjuryorpropertydamage,use
extremecareinhandlinggasoline.Gasolineisextremely
ammableandthevaporsareexplosive.
•Extinguishallcigarettes,cigars,pipes,andothersources
ofignition.
•Useonlyanapprovedgasolinecontainer.
•Neverremovegascaporaddfuelwiththeengine
running.Allowenginetocoolbeforerefueling.
•Neverrefuelthemachineindoors.
•Neverstorethemachineorfuelcontainerwherethereis
anopename,spark,orpilotlight,suchasonawater
heateroronotherappliances.
•Neverllcontainersinsideavehicleoronatruckor
trailerbedwithaplasticliner.Alwaysplacecontainerson
thegroundawayfromyourvehiclebeforelling.
•Removegas-poweredequipmentfromthetruckortrailer
andrefuelitontheground.Ifthisisnotpossible,then
refuelsuchequipmentwithaportablecontainerrather
thanfromagasolinedispensernozzle.
•Keepthenozzleincontactwiththerimofthefueltank
orcontaineropeningatalltimesuntilfuelingiscomplete.
Donotuseanozzlelock-opendevice.
•Iffuelisspilledonclothing,changeclothingimmediately.
•Neveroverllfueltank.Replacegascapandtighten
securely.
WARNING
Exhaustcontainscarbonmonoxide,anodorless,
deadlypoisonthatcankillyou.
Donotruntheengineindoorsorinanenclosed
area.
GeneralService
•Neveroperatemachineinaclosedarea.
•Keepallnutsandboltstighttobesuretheequipmentis
insafeworkingcondition.
•Nevertamperwithsafetydevices.Checktheirproper
operationregularly.
•Keepmachinefreeofgrass,leaves,orotherdebris
build-up.Cleanupoilorfuelspillsandremoveany
fuel-soakeddebris.Allowthemachinetocoolbefore
storingit.
•Ifyoustrikeaforeignobject,stopandinspectthe
machine.Repairit,ifnecessary,beforestartingit.
•Nevermakeanyadjustmentsorrepairswiththeengine
running.Disconnectthespark-plugwireandgroundit
againsttheenginetopreventunintendedstarting.
•Checkgrasscatchercomponentsandthedischarge
guardfrequently,andreplacethemwithmanufacturer's
recommendedparts,whennecessary.
•Mowerbladesaresharp.Wrapthebladeorweargloves,
anduseextracautionwhenservicingthem.
•Donotchangetheenginegovernorsettingoroverspeed
theengine.
•Maintainorreplacesafetyandinstructionlabels,as
necessary.
4
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.
Manufacturer'sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal
machinemanufacturer.
94-8072
114-2820
1.Warning—readthe
Operator'sManual.
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.
117–2718
121-1449
1.Warning—donotparkonslopesunlesswheelsarechocked
orblocked.
5
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
Oval-headbolt(5/16x1-1/2inches)
2
Bolt(5/16x1-1/2inches)
2
Spacer
2
Locknut(5/16inch)
4
1
Cabletie
1
Installthehandle.
2
SAE30WdetergentoilwithanAPI
serviceclassicationofSH,SJ,SL,or
higher(notsuppliedwiththemachine).
20oz.
(0.55l)
Filltheenginewithoil.
3
Nopartsrequired
–
Installtherecycleplugorgrassbag.
1
InstallingtheHandle
Partsneededforthisprocedure:
2
Oval-headbolt(5/16x1-1/2inches)
2
Bolt(5/16x1-1/2inches)
2
Spacer
4
Locknut(5/16inch)
1
Cabletie
Procedure
1.Removethe2screwsthatholdthebackcoverinplace
andremovethebackcover(Figure3).
Figure3
2.Attachthehandletothemachinehousing(Figure4)
usingthe4bolts,4locknuts,and2spacersintheloose
partsbag.
Figure4
1.Oval-headbolt(5/16x
1-1/2inches)(2)
3.Spacer(2)
2.Bolt(5/16x1-1/2inches)
(2)
4.Locknut(5/16inch)(4)
6
Note:Youcansetthehandleheightin1of2
positions(Figure5).Setthehandletoaheightthatis
comfortableforyou.
Figure5
1.Higherhandleposition2.Lowerhandleposition
Note:Torqueallboltsto120in-lb(13.6N-m).
3.Routetheblade-brakecabledowntheinsideofthe
handleandattachthecableend(
Figure6).
Figure6
1.AttachcableZ-ttingend
here
3.Blade-brakecable
2.Insertcablejacketend
here
4.Routetheself-propeldrivecabledowntheinsideofthe
handle,threadthecablethroughtheopeningonthe
lefthandsideofthehousing,andattachthecableend
(
Figure7)(Self-propelmodelonly).
Figure7
1.Self-propel-drivecable
3.Attachcableendhere
2.Insertcablejacketend
here
5.Ensurethattheself-propeldrive
isproperlyadjusted.Referto
AdjustingtheSelf-propelDriveCable(page19).
6.Tiethecabletothehandle(Figure8)usingthecable
tiefromtheloosepartsbag.
Figure8
7.Installthebackcoverwiththe2screwsthatyou
removedinstep1.
7
2
FillingtheEnginewithOil
Partsneededforthisprocedure:
20oz.
(0.55l)
SAE30WdetergentoilwithanAPIservice
classicationofSH,SJ,SL,orhigher(notsupplied
withthemachine).
Procedure
Important:Yourmachine
does not
comewithoilin
theengine.
1.Removethedipstick(Figure9).
Figure9
2.Slowlypouroilintotheoillltube,periodically
checkingthelevelwiththedipstick,untilthedipstick
indicatesthattheengineisfullasillustratedin
Figure9.
Donotoverll.
Note:Max.ll:20oz.(0.55l),type:SAE30W
detergentoilwithanAPIserviceclassicationofSH,
SJ,SL,orhigher.
Note:Ifyouoverlltheengine,poursomeoiloutof
itasdirectedin
ChangingtheEngineOil(page18).
3.Installthedipsticksecurely.
Important:
Change the engine oil after the r st 5
operating hour s
;changeityearlythereafter.Refer
toChangingtheEngineOil(page18).
3
InstalltheRear-dischargePlug
orGrassBag
NoPartsRequired
Procedure
Youmustcorrectlyinstalltherear-dischargeplug(for
recyclingorside-dischargingtheclippings)orgrassbag(for
baggingtheclippings)ortheenginewillnotstart.
Themachinehasasafetyswitch,locatedatthebottomofa
channelonthetop,rightrearofthemachine,thatprevents
themachinefromoperatingwithoutarear-dischargeplugor
grassbag.Thispreventsthemachinefromthrowingdebris
attheoperatorthroughtherearchute.
Fortheswitchtodetectthepresenceoftherear-discharge
plug,thetopoftherear-dischargepluglevermustliefullyin
thebottomofthechannel(Figure10).
Figure10
1.Topofrear-dischargeplugleverinswitchchannel
1.Inserttherear-dischargeplugintothemachine,ifit
isn'talreadyinstalled(Figure11).
8
Figure11
2.Squeezethebuttonontheleverwithyourthumband
fullyinserttherear-dischargeplugintotheopening
(Figure11).
3.Releasethebuttonontheleverandensurethatthetop
oftheleverisliesfullyintheswitchchannel.Ifthe
topoftheleverisnotintheswitchchannel,your
machinewillnotstart!
Note:Iftheleverdoesnotlatchproperly,disconnect
thewirefromthesparkplugandcheckforandremove
anydebrisbuildupinthetunnel.
ProductOverview
Figure12
1.Blade-controlbar
6.Airlter
2.Self-propel-drivebar7.Sparkplug
3.Handle
8.Oilll/dipstick(notshown)
4.Fueltank
9.Starterhandle
5.Cutting-heightlever(4)
Figure13
1.Grassbag
3.Rear-dischargeplug
(installed)
2.Side-dischargechute
9
Controls
Figure14
1.Recoil-starthandle
3.Self-propel-drivebar
2.Blade-controlbar
Operation
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
1.Removethedipstick,wipeitclean,andinsertitintothe
oilllerneck,butdonotscrewitin(Figure15).
Figure15
2.Removethedipstickandchecktheoillevel(Figure15).
Ifthereisnooilonthedipstick,slowlypouroilinto
theoillltube,periodicallycheckingthelevelwiththe
dipstick,untilthedipstickindicatesthattheengineis
fullasillustratedin
Figure15.Donotoverll.(Max.
ll:20oz.(0.55l),type:SAE30Wdetergentoilwith
anAPIserviceclassicationofSH,SJ,SL,orhigher.)
Note:Max.ll:20oz.(0.55l),type:SAE30W
detergentoilwithanAPIserviceclassicationofSH,
SJ,SL,orhigher.
Note:Ifyouoverlltheengine,poursomeoiloutof
it;referto
ChangingtheEngineOil(page18).
3.Installthedipsticksecurely.
10
FillingtheFuelTankwith
Gasoline
DANGER
Gasolineisextremelyammableandexplosive.A
reorexplosionfromgasolinecanburnyouand
others.
•Topreventastaticchargefromignitingthe
gasoline,placethecontainerand/ormachine
directlyonthegroundbeforelling,notina
vehicleoronanobject.
•Fillthetankoutdoorswhentheengineiscold.
Wipeupspills.
•Donothandlegasolinewhensmokingoraround
anopenameorsparks.
•Storegasolineinanapprovedfuelcontainer,out
ofthereachofchildren.
Fillthefueltankwithfreshunleadedregulargasolinefroma
majorname-brandservicestation(Figure16).
Important:Toreducestartingproblems,addfuel
stabilizertothefuelallseason,mixingitwithgasoline
lessthan30daysold.
Figure16
StartingtheEngine
Important:Themachinehasasafetyswitchthat
preventsyoufromstartingthemachineunlessyourst
installtherear-dischargeplugorthegrassbagsecurely
onthemachine.
1.Installtherear-dischargeplug(
Figure17)orthegrass
bag(Figure18)onthemachine.
Figure17
1.Topofrear-dischargeplugleverinswitchchannel
Figure18
2.TurnthefuelvalvelevertotheOnposition(Figure19).
11
Figure19
3.Whentheengineiscold,movethechokelevertothe
Chokeposition(Figure20).
Note:Donotusethechokewhentheengineiswarm.
Figure20
4.Holdtheblade-controlbaragainstthehandleandpull
therecoilstarter(Figure21).
Note:Pulltherecoilstarthandlelightlyuntilyoufeel
resistance,thenpullitbriskly.
Note:Ifthechokeisengaged,itwillautomaticallyturn
offabout3secondsafteryouholdtheblade-control
baragainstthehandle.
Figure21
1.Recoil-starthandle
5.Ifthemachinedoesnotstartafter1or2pulls,repeat
steps3and4.
Note:Ifthemachinestilldoesnotstart,contactan
AuthorizedServiceDealer.
StoppingtheEngine
ServiceInterval:Beforeeachuseordaily
Tostoptheengine,releasetheblade-controlbar(Figure22).
Important:Whenyoureleasetheblade-controlbar,
boththeengineandbladeshouldstopwithin3seconds.
Iftheydonotstopproperly,stopusingyourmachine
immediatelyandcontactanAuthorizedServiceDealer.
Figure22
1.Blade-controlbar
OperatingtheSelf-propel
Drive
Self-propelmodelonly
1.Tooperatetheself-propeldrive,squeezetheself-propel
drivebaragainstthehandleandholdit(Figure23).
12
Figure23
1.Self-propel-drivebar
Note:Themaximumself-propel-drivespeedisxed.
Toreducethespeed,increasethespacebetweenthe
self-propel-drivebarandthehandle.
2.Todisengagetheself-propeldrive,releasethe
self-propeldrivebar.
Note:Themachinecomeswithfreewheelingclutches
thatmakeiteasiertopullthemachinerearward.To
disengagetheclutches,youmayneedtopushthe
machineforward1inch(2.5cm)ormoreafteryou
releasetheself-propel-drivebar.
AdjustingtheCuttingHeight
Cuttingheightsrangefrom1inch(25mm)to4-1/2inches
(114mm)in1/2-inch(13mm)increments.
WARNING
Adjustingthecuttingheightmaybringyouinto
contactwiththemovingblade,causingserious
injury.
•Stoptheengineandwaitforallmovingparts
tostop.
•Donotputyourngersunderthehousingwhen
adjustingthecuttingheight.
Adjustthecuttingheightasdesired(Figure24).Setall4
wheelstothesameheight.
Figure24
1.Highestcutting-height
position(leversforward)
2.Lowestcutting-height
position(leversrearward)
Note:Toraisethemachine,moveall4cuttingheightlevers
forward;tolowerthemachine,movethemrearward.
RecyclingtheClippings
Yourmachinecomesfromthefactoryreadytorecyclethe
grassandleafclippingsbackintothelawn.
Ifthegrassbagisonthemachine,removeit;referto
RemovingtheGrassBag(page14)beforerecycling
theclippings.Ifthesidedischargechuteisonthe
machine,removeitandlockthesidedischargedoor;refer
toRemovingtheSide-dischargeChute(page15)before
recyclingtheclippings.
Important:Themachinehasasafetyswitchthat
preventsyoufromstartingthemachineunlessyourst
installtherear-dischargeplugsecurelyonthemachine
(Figure25).
Installtherear-dischargeplugasillustratedinFigure25.
13
Figure25
1.Topofrear-dischargeplugleverinswitchchannel
BaggingtheClippings
Usethegrassbagwhenyouwanttocollectgrassandleaf
clippingsfromthelawn.
Iftheside-dischargechuteisonthemachine,
removeitandlocktheside-dischargedoor;referto
RemovingtheSide-dischargeChute(page15)beforebagging
theclippings.
WARNING
Aworngrassbagcouldallowsmallstonesand
othersimilardebristobethrownintheoperator'sor
bystander'sdirectionandresultinseriouspersonal
injuryordeathtotheoperatororbystanders.
Checkthegrassbagfrequently.Ifitisdamaged,
installanewTororeplacementbag.
WARNING
Thebladeissharp;contactingthebladecanresult
inseriouspersonalinjury.
Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
InstallingtheGrassBag
1.Removetherear-dischargeplug(Figure26).
Figure26
2.Insertthegrassbaghandleintothegroovesatthetop
ofthemachine.
Important:Themachinehasasafetyswitchthat
preventsyoufromstartingthemachineunlessyou
rstinstallthegrassbagsecurelyonthemachine.
RemovingtheGrassBag
1.Liftthegrassbaghandleoutfromthegroovesatthe
topofthemachineandremovethebagfromthe
machine(Figure27).
Figure27
2.Inserttherear-dischargeplug(Figure28).
14
Figure28
Side-dischargingtheClippings
Usetheside-dischargechuteforcuttingverytallgrass.
Ifthebagisonthemachine,removeit
andinserttherear-dischargeplug;referto
RemovingtheGrassBag(page14)beforeside-discharging
theclippings.
Important:Themachinehasasafetyswitchthat
preventsyoufromstartingthemachineunlessyourst
installtherear-dischargeplugsecurelyonthemachine;
refertoRecyclingtheClippings(page13).
InstallingtheSide-dischargeChute
1.Unlocktheside-dischargedoor(Figure29).
Figure29
2.Liftopentheside-dischargedoor(Figure30).
Figure30
3.Installtheside-dischargechuteandclosethedooronto
thechute(Figure31).
Figure31
RemovingtheSide-dischargeChute
Toremovetheside-dischargechute,reversethestepsabove.
Important:Locktheside-dischargedoorafteryouclose
it(Figure32).
Figure32
15
OperatingTips
GeneralTips
•Maintainasharpbladethroughoutthecuttingseason.
Periodicallyledownnicksontheblade.
•ReplacethebladewhennecessarywithanoriginalToro
replacementblade.
•Mowonlydrygrassorleaves.Wetgrassandleavestend
toclumpontheyardandcancausethemachinetoplug
ortheenginetostall.
WARNING
Wetgrassorleavescancauseseriousinjuryif
youslipandcontacttheblade.
Mowonlyindryconditions.
•Cleanunderthemachinehousingaftereachmowing.
RefertoCleaningundertheMachineHousing(page21).
•Keeptheengineingoodrunningcondition.
•Settheenginespeedtothefastestpositionforthebest
cuttingresults.
WARNING
Operatingamachinewithitsenginerunning
ataspeedgreaterthanthefactorysettingcan
causethemachinetothrowapartoftheblade
orengineintotheoperator'sorbystander'sarea
andresultinseriouspersonalinjuryordeath.
–Donotchangetheenginespeedsetting.
–Ifyoususpecttheenginespeedisfaster
thannormal,contactanAuthorizedService
Dealer.
•Cleantheairlterfrequently.Recyclingstirsupmore
clippingsanddust,whichclogstheairlterandreduces
engineperformance.
CuttingGrass
•Grassgrowsatdifferentratesatdifferenttimesofthe
year.Inthesummerheat,itisbesttocutgrassatthe
2-inch(51mm),2-1/2inch(64mm),or3-inch(76mm)
cuttingheightsettings.Cutonlyaboutathirdofthegrass
bladeatatime.Donotcutbelowthe2-1/2inch(64mm)
settingunlessthegrassissparseoritislatefallwhen
grassgrowthbeginstoslowdown.
•Whencuttinggrassover6inches(15cm)tall,rstmow
atthehighestcuttingheightsettingandwalkslower;then
mowagainatalowersettingforthebestlawnappearance.
Ifthegrassistoolongandtheleavesclumpontopofthe
lawn,themachinemayplugandcausetheenginetostall.
•Alternatethemowingdirection.Thishelpsdispersethe
clippingsoverthelawnforevenfertilization.
Ifthenishedlawnappearanceisunsatisfactory,tryoneor
moreofthefollowing:
•Sharpentheblade.
•Walkataslowerpacewhilemowing.
•Raisethecuttingheightonyourmachine.
•Cutthegrassmorefrequently.
•Overlapcuttingswathsinsteadofcuttingafullswath
witheachpass.
•Setthecuttingheightonthefrontwheelsanotchlower
thantherearwheels.
CuttingLeaves
•Aftercuttingthelawn,ensurethathalfofthelawnshows
throughthecutleafcover.Youmayneedtomakemore
thanonepassovertheleaves.
•Forlightleafcoverage,setallthewheelsatthesame
cuttingheightsetting.
•Iftherearemorethan5inches(12.7cm)ofleavesonthe
lawn,setthefrontcuttingheight1or2notcheshigher
thantherearcuttingheight.Thismakesiteasiertofeed
theleavesunderthemachinehousing.
•Slowdownyourmowingspeedifthemachinedoesnot
cuttheleavesnelyenough.
•Ifyoumowoveroakleaves,youcanaddlimetothegrass
inthespringtoreducetheacidityoftheoakleaves.
16
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst5hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengineoillevel.
•Ensurethattheenginestopswithin3secondsafterreleasingtheblade-controlbar.
•Checktheaircleanerfordirtand/ordamageandcleanorreplaceitifnecessary.
•Cleangrassclippingsanddirtfromunderthemachinehousing.
Every100hours
•Checkthesparkplug.
Every200hours
•Replacethesparkplug.
Beforestorage
•Emptythefueltankbeforerepairsasdirectedandbeforeannualstorage.
Yearly
•Cleantheairlter(morefrequentlyindustyoperatingconditions).
•Changetheengineoil.
•Replacethebladeorhaveitsharpened(morefrequentlyiftheedgedullsquickly).
Premaintenance
Procedures
PreparingforMaintenance
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthespark-plugwirefromthesparkplug
(Figure33)beforeperforminganymaintenance
procedure.
Figure33
3.Afterperformingthemaintenanceprocedure(s),
connectthespark-plugwiretothesparkplug.
Important:Beforetippingthemachinetochange
theoilorreplacetheblade,allowthefueltankto
rundrythroughnormalusage.Ifyoumusttip
themachinepriortorunningoutoffuel,usea
handfuelpumptoremovethefuel.Alwaystipthe
machineontoitssidewiththeairlterup.
WARNING
Tippingthemachinemaycausethefuelto
leak.Gasolineisammable,explosiveand
cancausepersonalinjury.
Runtheenginedryorremovethegasoline
withahandpump;neversiphon.
17
EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily
Yearly
1.Pressdownonthelatchtabsontopoftheaircleaner
coverandremovethecover(Figure34).
Figure34
1.Aircleanercover
2.Latchtab(2)
3.Airlter
2.Removetheairlter(Figure34).
3.Iftheairlterisdamagedoriswetwithoilorfuel,
replaceit.
4.Iftheairlterisdirty,tapitonahardsurfaceseveral
timesorblowcompressedairlessthan30psi(207kPa)
throughthesideofthelterthatfacestheengine.
Note:Donotbrushthedirtoffthelter;brushing
forcesdirtintothebers.
5.Removedirtfromtheaircleanerbodyandcoverusing
amoistrag.Donotwipedirtintotheairduct.
6.Installthelterintotheaircleaner.
7.Closethecover.
ChangingtheEngineOil
ServiceInterval:Aftertherst5hours
Yearly
Runtheengineafewminutesbeforechangingtheoiltowarm
it.Warmoilowsbetterandcarriesmorecontaminants.
1.Performthepre-maintenanceprocedures;referto
PreparingforMaintenance.
2.Removethedipstick(
Figure35).
Figure35
3.Tipthemachineontoitsside,withtheairlterup,
todraintheusedoiloutthroughtheoillltube
(Figure36).
Figure36
4.Slowlypouroilintotheoil-lltube,periodically
checkingthelevelwiththedipstick,untilthedipstick
indicatesthattheengineisfullasillustratedin
Figure35.Donotoverll.
Note:Max.ll:20oz.(0.55l),type:SAE30W
detergentoilwithanAPIserviceclassicationofSH,
SJ,SL,orhigher.
Note:Ifyouoverlltheengine,poursomeoilout
ofit.
5.Installthedipsticksecurely.
6.Disposeoftheusedoilproperlyatalocalrecycling
center.
ServicingtheSparkPlug
ServiceInterval:Every100hours
Every200hours
UseanNGKBPR6ESsparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(Figure33).
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
18
Important:Replaceacracked,fouled,ordirty
sparkplug.Donotcleantheelectrodesbecause
gritenteringthecylindercandamagetheengine.
5.Setthegapontheplugto0.030in.(0.76mm)
(Figure37).
Figure37
1.Center-electrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Installthesparkplugandthegasketsealbyhand.
7.Tightentheplug1/2turnafterthesparkplugseats
tocompressthewasher.
Note:Wheninstallingtheoriginalsparkplugagain,
tighten1/8to1/4turnafterthesparkplugseatsto
compressthewasher.
Note:Under-tighteningthesparkplugcancausethe
plugtobecomeveryhotandcandamagetheengine.
Overtighteningthesparkplugcandamagethethreads
intheenginecylinderhead.
8.Connectthewiretothesparkplug.
DriveSystem
Maintenance
AdjustingtheSelf-propelDrive
Cable
Self-propelmodelonly
Wheneveryouinstallanewself-propelcableorifthe
self-propeldriveisoutofadjustment,adjusttheself-propel
drivecable.
1.Loosenthecablesupportnut(Figure38).
Figure38
1.1to1-1/2inches(25to38
mm)
4.Cable-supportnut
2.Self-propel-drivebar5.Cablesupport
3.Cablejacket
2.Holdtheself-propelbail1to1-1/2inches(25to38
mm)fromthehandle(
Figure38).
3.Pulldownthecablejacket(towardthemachine)until
thereisnoslackinthecable(Figure38).
4.Tightenthenutonthecablesupport.
5.Releasetheself-propel-drivebarandensurethatthe
cableisloose.
Note:Thecablemustbeloosewiththeself-propel
drivebarinthereleasedposition;otherwise,the
machinemaycreepwhenyoudisengagethebar.
19
BladeMaintenance
MaintainingtheCuttingBlade
ServiceInterval:Yearly
Examinethebladewheneveryourunoutofgasoline.Ifthe
bladeisdamagedorcracked,replaceitimmediately.Ifthe
bladeedgeisdullornicked,haveitsharpenedorreplaceit.
WARNING
Thebladeissharp;contactingthebladecanresult
inseriouspersonalinjury.
Weargloveswhenservicingtheblade.
1.Disconnectthespark-plugwirefromthesparkplug.
RefertoPreparingforMaintenance.
2.Tipthemachineontoitsside,withtheairlterup.
3.Useablockofwoodtoholdthebladesteady
(Figure39).
Figure39
4.Removetheblade,savingallmountinghardware
(Figure39).
5.Installthenewbladeandallmountinghardware
(Figure40).
Figure40
Important:Positionthecurvedendsoftheblade
topointtowardthemachinehousing.
6.Useatorquewrenchtotightenthebladeboltto40
to50ft-lb(54to68N-m).
20
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Toro Commercial 21in Lawn Mower User manual

Toro
Brand
Toro
Model
Commercial 21in Lawn Mower
Category
Lawnmowers
Type
User manual
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