Toro 21in Heavy-Duty Rear Bagger Lawn Mower User manual

21in Heavy-Duty Rear Bagger Lawn Mower
Toro
Brand
Toro
Model
21in Heavy-Duty Rear Bagger Lawn Mower
Category
Lawnmowers
Type
User manual
FormNo.3360-508RevA
21inHeavy-DutyRearBagger
LawnMower
ModelNo.22189—SerialNo.2700004001andUp
Registeratwww.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.Modelandserialnumberplate
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafetyalertsymbol
(Figure2),whichsignalsahazardthatmaycauseserious
injuryordeathifyoudonotfollowtherecommended
precautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2008—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved
Contents
Introduction.................................................................2
Safety...........................................................................3
GeneralLawnMowerSafety.................................3
SafetyandInstructionalDecals.............................5
Setup............................................................................6
1InstallingtheHandle..........................................6
2InstallingtheFuelTankandtheFuel
Line..................................................................6
3FillingtheCrankcasewithOil.............................7
ProductOverview........................................................8
Controls...............................................................8
Operation.....................................................................9
CheckingtheEngineOilLevel..............................9
FillingtheFuelTankwithGasoline.....................10
StartingtheEngine.............................................11
StoppingtheEngine...........................................11
OperatingtheBlade............................................11
OperatingtheTractionDrive..............................12
CheckingtheBladeBrakeClutch........................12
AdjustingtheCuttingHeight..............................12
UsingtheGrassBag...........................................13
OperatingTips...................................................14
Maintenance...............................................................16
RecommendedMaintenanceSchedule(s)................16
Lubrication.............................................................17
LubricatingthePivotArms.................................17
LubricatingtheGearCase...................................17
EngineMaintenance...............................................17
ServicingtheAirFilter........................................17
ChangingtheEngineOil....................................18
ChangingtheOilFilter.......................................18
ServicingtheSparkPlug.....................................19
FuelSystemMaintenance.......................................20
EmptyingtheFuelTankandCleaningthe
FuelFilter.......................................................20
DriveSystemMaintenance.....................................20
AdjustingtheSelf-propelDrive...........................20
ServicingtheWheels..........................................20
ControlsSystemMaintenance.................................21
AdjustingtheBladeBrakeCable.........................21
BladeMaintenance.................................................23
MaintainingtheCuttingBlade.............................23
Cleaning.................................................................24
CleaningundertheMowerHousing....................24
CleaningtheBladeBrakeClutchShield...............25
Storage.......................................................................26
PreparingtheFuelSystem...................................26
PreparingtheEngine..........................................26
GeneralInformation..........................................26
RemovingtheLawnMowerfromStorage............26
Troubleshooting.........................................................27
Safety
ThislawnmowermeetsorexceedstheCPSC
bladesafetyrequirementsforwalk-behindrotary
lawnmowersandtheB71.4specicationsofthe
AmericanNationalStandardsInstituteineffectat
thetimeofproduction.
Improperlyusingormaintainingthislawnmower
canresultininjury.Toreducethepotentialfor
injury,complywiththesesafetyinstructions.
Torodesignedandtestedthislawnmowerfortooffer
reasonablysafeservice;however,failuretocomply
withthefollowinginstructionsmayresultin
personalinjury.
Engineexhaustcontainscarbonmonoxide,an
odorless,deadlypoisonthatcankillyou.
Donotruntheengineindoorsorinanenclosed
area.
Toensuremaximumsafety,bestperformance,and
togainknowledgeoftheproduct,itisessentialthat
youandanyotheroperatorofthelawnmowerread
andunderstandthecontentsofthismanualbefore
theengineiseverstarted.Payparticularattention
tothesafetyalertsymbol(Figure2)whichmeans
Caution,Warning,orDanger—“personalsafety
instruction.”Readandunderstandtheinstruction
becauseithastodowithsafety.Failuretocomply
withtheinstructionmayresultinpersonalinjury.
GeneralLawnMowerSafety
Thislawnmoweriscapableofamputatinghandsand
feetandofthrowingobjects.Failuretoobservethe
followingsafetyinstructionscouldresultinserious
injuryordeath.
ThefollowinginstructionsarefromtheANSI/OPEI
B71.4-2004standard.
Training
•ReadtheOperator’sManualandothertraining
material.Iftheoperator(s)ormechanic(s)cannot
readEnglishitistheowner’sresponsibilitytoexplain
thismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.The
ownerisresponsiblefortrainingtheusers.
3
•Neverletchildrenoruntrainedpeopleoperateor
servicetheequipment.Localregulationsmayrestrict
theageoftheoperator.
•Theowner/usercanpreventandisresponsiblefor
accidentsorinjuriesoccurringtothemselves,other
people,orproperty.
Preparation
•Onlyuseaccessoriesandattachmentsapprovedby
themanufacturer.
•Wearappropriateclothingincludinghardhat,safety
glasses,andearprotection.Longhair,looseclothing
orjewelrymaygettangledinmovingparts.
•Inspecttheareawheretheequipmentistobeused
andremoveallobjectssuchasrocks,toysandwire
whichcanbethrownbythemachine.
•Useextracarewhenhandlinggasolineandother
fuels.Theyareammableandvaporsareexplosive.
–Useonlyanapprovedcontainer.
–Neverremovegascaporaddfuelwithengine
running.Allowenginetocoolbeforerefueling.
Donotsmoke.
–Neverrefuelordrainthemachineindoors.
•Checkthatoperator’spresencecontrols,safety
switchesandshieldsareattachedandfunctioning
properly.Donotoperateunlesstheyarefunctioning
properly.
Operation
•Neverrunanengineinanenclosedarea.
•Onlyoperateingoodlight,keepingawayfromholes
andhiddenhazards.
•Onlystartenginefromtheoperator’sposition.
•Besureofyourfooting,especiallywhenbacking
up.Walk,don’trun.Neveroperateonwetgrass.
Reducedfootingcouldcauseslipping.
•Slowdownanduseextracareonhillsides.Besure
totravelsidetosideonhillsides.Turfconditions
canaffectthemachine’sstability.Usecautionwhile
operatingneardrop-offs.
•Donotoperatethelawnmowerwithouteitherthe
grasscatcherortheguardinplace.
•Donotchangetheenginegovernorsettingor
overspeedtheengine.
•Stoponlevelgroundandshutoffenginebefore
leavingtheoperator’spositionforanyreason
includingemptyingthecatcheroruncloggingthe
chute.
•Stopequipmentandinspectbladeafterstriking
objectsorifanabnormalvibrationoccurs.Make
necessaryrepairsbeforeresumingoperations.
•Keephandsandfeetawayfromthecuttingunits.
•Lookbehindanddownbeforebackinguptobesure
ofaclearpath.
•Keeppetsandbystandersaway.
•Slowdownandusecautionwhencrossingroadsand
sidewalks.Stopbladeifyouarenotmowing.
•Beawareofthemowerdischargedirectionanddo
notpointitatanyone.
•Donotoperatethemowerundertheinuenceof
alcoholordrugs.
•Usecarewhenloadingorunloadingthemachine
intoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
MaintenanceandStorage
•Stopengineanddisconnectsparkplugwire.Wait
forallmovementtostopbeforeadjusting,cleaning
orrepairing.
•Cleangrassanddebrisfromcuttingunit,drive,
mufer,andenginetohelppreventres.Cleanup
oilorfuelspillage.
•Letenginecoolbeforestoringanddonotstorenear
ame.
•Shutofffuelwhilestoringortransporting.Donot
storefuelnearamesordrainindoors.
•Neverallowuntrainedpersonneltoservicemachine.
•Removesparkplugwirebeforemakinganyrepairs.
•Usecarewhencheckingblade.Wrapthebladeor
weargloves,andusecautionwhenservicingthem.
Onlyreplaceblade.Neverstraightenorweldit.
•Keephandsandfeetawayfrommovingparts.If
possible,donotmakeadjustmentswiththeengine
running.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
4
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.
Manufacturer’sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal
machinemanufacturer.
43-8480
68-7410
98-4387
1.Warning—wearhearingprotection.
110-2114
110-4977
1.Thrownobjecthazard—donotoperatethemowerwithouta
baginplace.
110-4989
5
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
Qty.
Use
Handle1
Bolt(5/16x7/8inch)
2
Bolt(5/16x1-1/2inches)
2
Washer4
Locknut(5/16inch)
4
1
Cabletie
3
Installthehandle.
Self-tappingscrew
2
2
Fueltank1
Installthefueltankandfuelline.
3
Nopartsrequired
–
Fillthecrankcasewithoil.
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
1
InstallingtheHandle
Partsneededforthisprocedure:
1Handle
2
Bolt(5/16x7/8inch)
2
Bolt(5/16x1-1/2inches)
4Washer
4
Locknut(5/16inch)
3
Cabletie
Procedure
1.Mountthehandletothemowerhousingwith2bolts
(5/16x7/8inch),2bolts(5/16x1-1/2inches),4
washers,and4locknuts(Figure3).
Figure3
1.Housing
3.Bolt(5/16x1-1/2inches),
washer,andlocknut
2.Handle
4.Bolt(5/16x7/8inch),
washer,andlocknut
Note:Installthewasherswiththecupsidefacing
thehandle.
Note:Youcanadjustthehandleheightformore
comfortableoperation.Securingthelowerhandle
endintheupperholelowersthehandle;securingthe
lowerhandleendinthelowerholeraisesthehandle.
2.Usethecabletiesprovidedtosecurethecontrol
cablestothehandle.
6
2
InstallingtheFuelTankand
theFuelLine
Partsneededforthisprocedure:
2
Self-tappingscrew
1Fueltank
Procedure
1.Slidetheendofthefuellineontotheelbowtting
(Figure4).
G002527
1
2
3
4
Figure4
1.Fueltank3.Fuelline
2.Elbowtting
4.Fuellineclamp
2.Securethefuellineinplacewiththefuellineclamp
(Figure4).
3.Slidetheplasticclipsonthefrontofthefueltank
ontothefueltankmount(Figure5).
Figure5
1.Plasticclip(2)
4.Securethebottomofthefueltanktothefueltank
bracketbyinstallingtheself-tappingscrewsfromthe
bottom.Torquethescrewsto40to50in-lb(4.5
to5.6N-m).Donotovertightenthescrews.
3
FillingtheCrankcasewithOil
NoPartsRequired
Procedure
Theenginecrankcaseisshippedwithoutoil.Youmust
llitwithapproximately29oz.(0.85l)ofoilbefore
startingtheengine.RefertoCheckingtheEngineOil
Levelforoilspecicationsandinstructions.
7
ProductOverview
Figure6
1.Handle
8.Oilll/dipstick(notshown)
2.Bladecontrolbar
9.Cuttingheightlever
3.Controlbarlock10.Sparkplug
4.Groundspeedcontrol
lever
11.Airlter
5.Tractioncontrolbar
12.Oillter
6.Fueltank
13.Grassbag
7.Starterhandle
14.Throttlecontrollever
Controls
Thebladecontrolbar,controlbarlock,groundspeed
controllever,throttlecontrollever,andtractioncontrol
barareontheupperhandleasshownin(Figure7).
Figure7
1.Bladecontrolbar4.Throttlecontrollever
2.Controlbarlock
5.Tractioncontrolbar
3.Groundspeedcontrol
lever
Thethrottlesettingsareshownin(Figure8).
Figure8
1.Choke3.Slow
2.Fast
4.Stop
8
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Eachtimebeforeyoumow,makesurethatthe
self-propeldriveandthebladecontrolbaroperate
properly.Whenyoureleasethebladecontrolbar,the
bladeshouldstop.Ifitdoesnot,contactanAuthorized
ServiceDealer.
Thismachineproducessoundlevelsinexcess
of85dBAattheoperator’searandcancause
hearinglossthroughextendedperiodsof
exposure.
Wearhearingprotectionwhenoperatingthis
machine.
Figure9
1.Warning—wearhearingprotection.
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
Initially,llthecrankcasewith29ounces(0.85liters)
ofoil.Useonlyhigh-qualitySAE30orSAE10W30
weightdetergentoilthathastheAmericanPetroleum
Institute(API)serviceclassicationSF,SG,SH,orSJ.
Beforeeachuse,ensurethattheoillevelisbetweenthe
AddandFullmarksonthedipstick(Figure10).
Figure10
1.Dipstick3.Add
2.Full
Note:Whenthecrankcaseisempty,pourabout3/4
ofthecrankcasecapacityofoilinthecrankcase,then
followtheprocedureinthissection.
1.Movethelawnmowertoalevelsurface.
2.Cleanaroundthedipstick(Figure10).
3.Removethedipstickbyrotatingthecap
counterclockwiseandpullingitout.
4.Wipethedipstickcleanwithacleancloth.
5.Insertthedipstickintothellerneck,butdonot
screwitin.
6.Removethedipstickandreadtheoillevelonthe
dipstick(Figure10).
7.IftheoillevelreadingisbelowtheAddmarkon
thedipstick,slowlypouronlyenoughoilintothe
llerholetoraisetheoilleveltotheFullmarkon
thedipstick.
Important:Donotoverllthecrankcasewith
oilandruntheengine;enginedamagewill
result.Draintheexcessoiluntiltheoillevelon
thedipstickreadsFull.
8.Insertthedipstickintothellerneckandrotatethe
capclockwiseuntilitistight.
9
FillingtheFuelTankwith
Gasoline
Forbestresults,useclean,fresh,lead-freegasolinewith
anoctaneratingof87orhigher.Toensurefreshness,
purchaseonlythequantityofgasolinethatyouexpectto
usein30days.Usingunleadedgasolineresultsinfewer
combustiondepositsandlongerenginelife.Youmay
useleadedgasolineifunleadedgasolineisnotavailable.
Important:Donotaddoiltothegasoline.
Important:Donotusemethanol,gasoline
containingmethanol,gasoholcontainingmore
than10%ethanol,premiumgasoline,orwhitegas.
Usingthesefuelscandamagetheengine’sfuel
system.
Important:Donotusegasolinethathasbeen
storedsincethelastmowingseasonorlonger.
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areor
explosionfromgasolinecanburnyouand
othersandcandamageproperty.
•Fillthefueltankoutdoors,inanopenarea,
andwhentheengineiscold.Wipeupany
gasolinethatspills.
•Donotllthefueltankcompletelyfull.Add
gasolinetothefueltankuntilthelevelis1/4
to1/2inch(6to13mm)belowthebottomof
thellerneck.Thisemptyspaceinthetank
allowsthegasolinetoexpand.
•Neversmokewhenhandlinggasoline,and
stayawayfromanopenameorwherea
sparkmayignitethegasolinefumes.
•Storegasolineinanapprovedfuelcontainer
andkeepitoutofthereachofchildren.
•Neverbuymorethana30-daysupplyof
gasoline.
Whenfueling,undercertaincircumstances,a
staticchargecandevelop,ignitingthegasoline.
Areorexplosionfromgasolinecanburnyou
andothersanddamageproperty.
•Alwaysplacegasolinecontainersonthe
groundandawayfromyourvehiclebefore
lling.
•Donotllgasolinecontainersinsidea
vehicleoronatruckortrailerbedbecause
interiorcarpetsorplastictruckbedliners
mayinsulatethecontainerandslowtheloss
ofanystaticcharge.
•Whenpractical,removegasoline-powered
equipmentfromthetruckortrailerand
refueltheequipmentwithitswheelsonthe
round.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfroma
portablecontainer,notfromagasoline
dispensernozzle.
•Ifyoumustuseagasolinedispensernozzle,
keepthenozzleincontactwiththerimof
thefueltankorcontaineropeningatall
timesuntilfuelingiscomplete.
Useafuelstabilizer/conditionerregularlyduring
operationandstorage.Astabilizer/conditionercleans
theengineduringoperationandpreventsgum-like
varnishdepositsfromformingintheengineduring
periodsofstorage.
Important:Donotusefueladditivesotherthan
afuelstabilizer/conditioner.Donotusefuel
stabilizerswithanalcoholbasesuchasethanol,
methanol,orisopropanol.
1.Cleanaroundthefueltankcap(Figure11).
10
Figure11
1.Oilll/dipstick
3.Aircleaner
2.Fueltankcap
4.Sparkplug
2.Removethecapfromthetank.
3.Fillthefueltankwithunleadedgasolinetowithin
1/4to1/2inch(6to13mm)fromthetopofthe
tank.Donotllintothellerneck.
Important:Donotllthetankmorethan1/4
inch(6mm)fromthetopofthetankbecause
thegasolinemusthaveroomtoexpand.
4.Installthefueltankcapandwipeupanyspilled
gasoline.
StartingtheEngine
1.Connectthewiretothesparkplug(Figure11).
2.Openthefuelvalve(Figure22)
3.MovethethrottlecontrollevertotheChoke
position(Figure8).
4.MovethegroundspeedcontrollevertotheNeutral
(N)position.
5.Pullthestarterhandlelightlyuntilyoufeel
resistance,thenpullitsharply.
6.Regulatethethrottleandthegroundspeedcontrol
asdesiredwhentheenginestarts.
Note:Iftheenginefailstostartafter3pulls,repeat
steps3through6.
StoppingtheEngine
1.MovethethrottlecontroltotheStopposition.
2.Disconnectthewirefromthesparkplugifyoudo
notusethelawnmowerorleaveitunattended.
OperatingtheBlade
EngagingtheBlade
Whenyoustartyourengine,thebladedoesnotturn.
Youmustengagethebladetomow .
1.Pushthecontrolbarlockforward(Figure12).
Figure12
2.Pullthebladecontrolbartothehandleandhold
it(Figure13).
Figure13
DisengagingtheBlade
Releasethebladecontrolbar.
11
Important:Whenyoureleasethebladecontrol
bar,thebladeshouldstopwithin3seconds.Ifit
doesnotstopproperly,stopusingyourmower
immediatelyandcontactanAuthorizedService
Dealer.
OperatingtheTractionDrive
EngagingtheTractionDrive
1.Releasethetractioncontrolbar(Figure14).
Figure14
2.Movethegroundspeedcontrollevertothedesired
gearposition.
3.Squeezethetractioncontrolbaragainstthehandle
(Figure15).
Figure15
DisengagingtheTractionDrive
Releasethetractioncontrolbar.
CheckingtheBladeBrake
Clutch
Checkthebladecontrolbarbeforeeachusetoensure
thatthebladebrakeclutchsystemisoperatingproperly.
1.Installtheemptygrassbagonthedischargetunnel.
2.Starttheengine.
3.Pullthebladecontrolbartothenormalblade
engagedposition.Thebagshouldbegintoinate,
indicatingthatthebladeisengagedandrotating.
4.Releasethebladecontrolbar.Ifthebagdoesnot
immediatelydeate,itindicatesthattheblade
isstillrotating.Thebladebrakeclutchmaybe
deteriorating,and,ifignored,couldresultinan
unsafeoperatingcondition.Havethelawnmower
inspectedandservicedbyanAuthorizedService
Dealer.
Ifthebladebrakeclutchsystemisinoperative,
thebladewillcontinuetorotatewhenyou
releasethebladecontrolbail.Contactwith
bladecouldoccur,causingseriousinjury.
•Checkthebladebrakeclutchoperation
beforeeachuse.
•Neveruseamowerequippedwithablade
brakeclutchthathasaninoperativesafety
system.
•TakeyourmowertoanAuthorizedService
Dealerforrepairifthesafetysystemfailsto
operateproperly.
AdjustingtheCuttingHeight
Eachwheelisadjustedindividuallywithawheelheight
adjustmentlever.Cuttingheightsare1-1/4inches(32
mm),1-3/4inches(44mm),2-1/4inches(57mm),
2-3/4inches(70mm),3-1/4inches(83mm),and
3-3/4inches(95mm).
12
Adjustingthecuttingheightleverscouldbring
yourhandsintocontactwithamovingblade
andresultinseriousinjury.
•Stoptheengineandwaitforallmovement
tostopbeforeadjustingthecuttingheight.
•Donotputyourngersunderthehousing
whenadjustingthecuttingheight.
1.Pullthewheelheightadjustmentlevertowardthe
wheel(Figure16)andmoveittothedesiredsetting.
Figure16
1.Wheelheightadjustmentlever
2.Releasethewheelheightadjustmentleverandseat
itsecurelyinthenotch.
3.Adjustallthewheelstothesamecuttingheight
setting.
UsingtheGrassBag
InstallingtheGrassBag
1.Waitforallmovingpartstostop.
2.Raiseandholdupthereardoor(Figure17).
Figure17
1.Reardoor
3.Installthebagonthebagmountingposts
(Figure18).
Figure18
1.Bagmountingposts
4.Lowerthereardoor.
RemovingtheGrassBag
Toremovethebag,reversethestepsabove.
Themowercanthrowgrassclippingsandother
objectsthroughanopendischargetunnel.
Objectsthrownwithenoughforcecouldcause
seriouspersonalinjuryordeathtotheoperator
orbystander.
Donotoperatethemowerwithoutagrassbag
installed.
13
MowingwiththeGrassBag
Aworngrassbagcouldallowsmallstones
andothersimilardebristobethrowninthe
operator’sorbystander’sdirectionandresultin
seriouspersonalinjuryordeathtotheoperator
orbystanders.
Checkthegrassbagfrequently.Ifitis
damaged,installanewTororeplacementbag.
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
atthe2-1/4inch(57mm),2-3/4inch(70mm),or
3-1/4inch(83mm)cuttingheightsettings.Cut
onlyaboutathirdofthegrassbladeatatime.Do
notcutbelowthe2-1/4inch(57mm)settingunless
thegrassissparseoritislatefallwhengrassgrowth
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.Forexample,setthe
frontwheelsat2-1/4inches(57mm)andtherear
wheelsat2-3/4inches(70mm).
CuttingLeaves
•Aftercuttingthelawn,ensurethathalfofthelawn
showsthroughthecutleafcover.Youmayneedto
makemorethanonepassovertheleaves.
14
•Forlightleafcoverage,setallthewheelsatthesame
cuttingheightsetting.
•Iftherearemorethan5inches(12.7cm)ofleaves
onthelawn,setthefrontcuttingheight1or2
notcheshigherthantherearcuttingheight.This
makesiteasiertofeedtheleavesunderthemower
housing.
•Slowdownyourmowingspeedifthemowerdoes
notcuttheleavesnelyenough.
•Ifyoumowoveroakleaves,youcanaddlimeto
thegrassinthespringtoreducetheacidityofthe
oakleaves.
15
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst8hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengineoillevel.
•Inspectthemowerbladesforwearordamage.
•Cleanunderthemowerhousing.
Every25hours
•Cleanthefoampre-cleaner(morefrequentlyindustyconditions).
Every50hours
•Lubricatethepivotarms.
•Changetheengineoil(moreoftenindustyconditions).
•Checkthefuelhoseandreplaceitifnecessary.
•Cleanthebladebrakeclutchshield.
Every100hours
•Lubricatethegearcase.
•Cleantheaircoolingns.
•Changetheoillter.
•Checkthesparkplug.
•Cleanthefuellter.
Every300hours
•Replacethepaperairlter(morefrequentlyindustyconditions).
Yearlyorbeforestorage
•Emptythefueltank.
Important:Refertoyour
Engine Operator’ s Man ual
foradditionalmaintenanceprocedures.
Ifyouleavethewireonthesparkplug,someonecouldaccidentlystarttheengineandseriouslyinjure
youorotherbystanders.
Disconnectthewirefromthesparkplugbeforeyoudoanymaintenance.Setthewireasidesothatit
doesnotaccidentlycontactthesparkplug.
16
Lubrication
LubricatingthePivotArms
ServiceInterval:Every50hours
1.Movetherearwheelcuttingheightleverstothe
centersetting.
2.Wipethegreasettingswithacleanrag(Figure19).
Figure19
3.Installagreasegunontothettingandgentlyapply2
or3pumpsof#2multi-purposelithium-basegrease.
Important:Excessivegreasepressuremay
damagetheseals.
LubricatingtheGearCase
ServiceInterval:Every100hours
1.Removethegrassbag.
2.Installagreasegunontothettingthroughthebelt
coveropening(Figure20).
Figure20
3.Gentlyapplyoneto2pumpsof#2multi-purpose
lithium-basegrease.
4.Installthegrassbag.
EngineMaintenance
ServicingtheAirFilter
ServiceInterval:Every25hours—Cleanthefoam
pre-cleaner(morefrequentlyindusty
conditions).
Every300hours—Replacethepaper
airlter(morefrequentlyindusty
conditions).
Every100hours
Important:Donotoperatetheenginewithoutthe
airlterassembly;extremeenginedamagewill
occur.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(Figure11).
3.Removethecoverandcleanitthoroughly(Figure21).
17
Figure21
1.Cover3.Airlterbase
2.Paperairlter
4.Removeandinspectthepaperairlter(Figure21),
anddiscarditifitisexcessivelydirty.
Important:Donottrytocleanapaperlter.
5.Removethefoampre-cleanerandwashitwithamild
detergentandwater,thenblotitdry(Figure21).
6.Installthefoampre-cleanerontothepaperairlter.
7.Installtheairlterassembly.
Note:Installanewpaperairlterifyoudiscarded
theoldone.
8.Installthecover.
ChangingtheEngineOil
ServiceInterval:Aftertherst8hours
Every50hours
OilCapacity
Withoillter29ounces(0.85liters)
Withoutoillter22ounces(0.65liters)
1.Runtheenginetowarmtheengineoil.
Note:Warmoilowsbetterandcarriesmore
contaminants.
Oilmaybehotafterenginehasbeenrun,and
contactwithhotoilcancauseseverepersonal
injury.
Avoidcontactingthehotengineoilwhenyou
drainit.
2.Stoptheengineandwaitforallmovingpartstostop.
3.Disconnectthewirefromthesparkplug(Figure11).
4.Placeasuitabledrainpanundertherightsideof
themower.
5.Removethedipstickbyrotatingthecap
counterclockwiseandpullingitout.
6.Tipthemowerontoitsrightsidetodraintheoil
intothedrainpan.
Note:Youcanalsoremovetheoilfromthe
crankcaseusinganoilextractor.
7.Returnthemowertoitsoperatingposition.
8.Insertthedipstickintothellerneckandrotatethe
capclockwiseuntilitistight.
9.Recycletheusedoilaccordingtolocalcodes.
10.FillthecrankcasetotheFulllineonthedipstickwith
freshoil.RefertotheFillingtheCrankcasewithOil.
11.Wipeupanyspilledoil.
ChangingtheOilFilter
ServiceInterval:Every100hours
Figure22
1.Fuelvalve
2.Oillter
1.Runtheenginetowarmtheoil.
Oilmaybehotaftertheenginehasbeenrun,
andcontactwithhotoilcancausesevere
personalinjury.
Avoidcontactingthehotengineoilwhenyou
drainit.
2.Stoptheengineandwaitforallmovingpartstostop.
18
3.Disconnectthewirefromthesparkplug(Figure11).
4.Draintheengineoil;refertoChangingtheEngine
Oil.
5.Placearagundertheoilltertocatchanyoilthat
mayleakoutasyouremovethelter(Figure22).
6.Removetheoillter.
7.Useyourngertocoatthegasketonthenewlter
withoil(Figure23).
Figure23
1.Gasket
8.Installthenewlterandhandtightenit2/3turn
only.
9.FillthecrankcasetotheFulllineonthedipstickwith
freshoil.RefertoFillingtheCrankcasewithOil.
10.Connectthewiretothesparkplug.
11.Runtheengineforabout3minutes.
12.Stoptheengine,waitforallmovingpartstostop,
andcheckforoilleakagearoundthelter.
13.Addoiltocompensatefortheoilintheoillter.
RefertoCheckingtheEngineOilLevel.
14.Recycletheusedoillteraccordingtolocalcodes.
ServicingtheSparkPlug
ServiceInterval:Every100hours
UseanNGKBPR5ESsparkplugorequivalent.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(Figure11).
3.Cleanaroundthesparkplug.
4.Removethesparkplugfromthecylinderhead.
Important:Replaceacracked,fouled,or
dirtysparkplug.Donotcleantheelectrodes
becausegritenteringthecylindercandamage
theengine.
5.Setthegapontheplugto0.030inch(0.76mm)
(Figure24).
Figure24
1.Centerelectrodeinsulator
2.Sideelectrode
3.Airgap(nottoscale)
6.Installthesparkplugandthegasketseal.
7.Torquetheplugto17ft-lb(23N⋅m).
8.Connectthewiretothesparkplug.
19
FuelSystem
Maintenance
EmptyingtheFuelTankand
CleaningtheFuelFilter
ServiceInterval:Every100hours—Cleanthefuel
lter.
Every50hours—Checkthefuelhose
andreplaceitifnecessary.
Yearlyorbeforestorage—Emptythe
fueltank.
Thefuellter(screen)elementislocatedinsidethefuel
tank.
1.Stoptheengineandwaitforittocooldown.
Important:Draingasolinefromacoldengine
only.
2.Disconnectthewirefromthesparkplug(Figure11).
3.Closethefuelvalve(Figure22).
4.Disconnectthefuellinebylooseningthetubeclamp
atthecarburetor.
5.Openthefuelvalve.
6.Drainthegasolinecompletelyfromthetankandfuel
lineintoanapprovedfuelcontainer.
7.Removethefueltankfromthemower.
8.Closethefuelvalve.
9.Pourasmallamountoffuelinthefueltank,move
thefuelaroundinthetank,andpouritoutintoan
approvedfuelcontainer.
10.Installthefueltankandfuelline;refertoInstalling
theFuelTankandtheFuelLine.
DriveSystem
Maintenance
AdjustingtheSelf-propelDrive
Ifthemowerdoesnotself-propelorhasatendencyto
creepforwardwhenthecontrolbarismorethan1-1/2
inches(3.8cm)fromthehandle,adjusttheself-propel
drive.
1.Loosenthenutthatsecurestheturnbuckle
(Figure25).
Figure25
1.Turnbuckle
3.Cable
2.Nut
4.1-1/2inches(3.8cm)
2.Turntheturnbuckleuntilyouremovetheslackin
theexposedcable(Figure25).
3.Tightenthenut.
Note:Tochecktheadjustment,slowlypullthe
mowerbackwardwhileyougraduallymovethe
controlbartowardthehandle.Theadjustmentis
correctwhentherearwheelsstopturningandthe
topofthecontrolbarisabout1-1/2inches(3.8cm)
fromthehandle.
ServicingtheWheels
RemovingtheWheels
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug(Figure11).
3.Removethebolt,thewheelspacer,andthelocknut
mountingthewheeltothepivotarm(Figure26).
20
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Toro 21in Heavy-Duty Rear Bagger Lawn Mower User manual

21in Heavy-Duty Rear Bagger Lawn Mower
Toro
Brand
Toro
Model
21in Heavy-Duty Rear Bagger Lawn Mower
Category
Lawnmowers
Type
User manual
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