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

Brand: Toro

Model: 21in Heavy-Duty Rear Bagger Lawn Mower

Category: Lawnmowers

Type: User manual

FormNo.3360-512RevA

21inHeavy-DutyRearBagger

LawnMower

ModelNo.22192—SerialNo.270000001andUp

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.

8111LyndaleAvenueSouth

Bloomington,MN55420

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

Contents

Introduction.................................................................2

Safety...........................................................................3

GeneralLawnMowerSafety.................................3

SafetyandInstructionalDecals.............................5

Setup............................................................................6

1InstallingtheHandle..........................................6

2InstallingtheFuelTank......................................6

3FillingtheCrankcasewithOil.............................7

ProductOverview........................................................7

Controls...............................................................7

Operation.....................................................................8

CheckingtheEngineOilLevel..............................8

FillingtheFuelTankwithGasoline.......................9

StartingtheEngine.............................................10

StoppingtheEngine...........................................11

OperatingtheBlade............................................11

OperatingtheTractionDrive..............................11

CheckingtheBladeBrakeClutch........................12

AdjustingtheCuttingHeight..............................12

UsingtheGrassBag...........................................13

OperatingTips...................................................13

Maintenance...............................................................15

RecommendedMaintenanceSchedule(s)................15

Lubrication.............................................................15

LubricatingthePivotArms.................................15

LubricatingtheGearCase...................................16

EngineMaintenance...............................................16

ServicingtheAirFilter........................................16

ChangingtheEngineOil....................................17

ChangingtheOilFilter.......................................17

ServicingtheSparkPlug.....................................18

FuelSystemMaintenance.......................................19

EmptyingtheFuelTankandCleaningthe

FuelFilter.......................................................19

DriveSystemMaintenance.....................................19

AdjustingtheSelf-propelDrive...........................19

ControlsSystemMaintenance.................................20

AdjustingtheBladeBrakeCable.........................20

BladeMaintenance.................................................21

MaintainingtheCuttingBlade.............................21

Cleaning.................................................................23

CleaningundertheMowerHousing....................23

CleaningtheBladeBrakeClutchShield...............23

Storage.......................................................................24

PreparingtheFuelSystem...................................24

PreparingtheEngine..........................................24

GeneralInformation..........................................24

RemovingtheLawnMowerfromStorage............25

Troubleshooting.........................................................26

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.

•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.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof

potentialdanger.Replaceanydecalthatisdamagedorlost.

Manufacturer’sMark

1.Indicatesthebladeisidentiedasapartfromtheoriginal

machinemanufacturer.

43-8480

68-7410

98-4387

1.Warning—wearhearingprotection.

110-4977

1.Thrownobjecthazard—donotoperatethemowerwithouta

baginplace.

110-4989

115-1002

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Handle1

Bolt(5/16x7/8inch)

Bolt(5/16x1-1/2inches)

Washer4

Locknut(5/16inch)

Cabletie

Installthehandle.

Fueltank1

Adapterbracket1

Bolt(1/4x3/4inch)

Locknut(1/4inch)

Installthefueltank.

Nopartsrequired

–

Fillthecrankcasewithoil.

Note:Determinetheleftandrightsidesofthemachine

fromthenormaloperatingposition.

InstallingtheHandle

Partsneededforthisprocedure:

1Handle

Bolt(5/16x7/8inch)

Bolt(5/16x1-1/2inches)

4Washer

Locknut(5/16inch)

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.

InstallingtheFuelTank

Partsneededforthisprocedure:

1Fueltank

1Adapterbracket

Bolt(1/4x3/4inch)

Locknut(1/4inch)

Procedure

1.Aligntheholesinthefueltankbracketwiththe

holesintheadapterbracket(Figure4).

Figure4

1.Fueltankbracket

3.Bolt(1/4x3/4inch)((2)

2.Adapterbracket

4.Locknut(1/4inch)(2)

2.Installthefueltankandbrackettotheadapter

bracketwiththe2bolts(1/4x3/4inch)andthe2

locknuts(1/4inch)intheloosepartsbag(Figure4).

FillingtheCrankcasewithOil

NoPartsRequired

Procedure

Theenginecrankcaseisshippedwithoutoil.Youmust

llitwithapproximately29oz.(0.85l)ofoilbefore

startingtheengine.RefertoCheckingtheEngineOil

Levelforoilspecicationsandinstructions.

ProductOverview

Figure5

1.Handle

8.Oilll/dipstick(notshown)

2.Controlbar9.Sparkplug

3.Controlbarlock10.Airlter

4.Groundspeedcontrol

lever

11.Oillter

5.Tractioncontrolbar

12.Cuttingheightlever

6.Fueltank

13.Grassbag

7.Starterhandle

14.Throttlecontrollever

Controls

Thebladecontrolbar,controlbarlock,groundspeed

controllever,throttlecontrollever,andtractioncontrol

barareontheupperhandleasshownin(Figure6).

Figure6

1.Bladecontrolbar4.Throttlecontrollever

2.Controlbarlock

5.Tractioncontrolbar

3.Groundspeedcontrol

lever

Thethrottlesettingsareshownin(Figure7).

Figure7

1.Fast

2.Stop

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Eachtimebeforeyoumow,makesurethatthe

self-propeldriveandthebladecontrolbaroperate

properly.Whenyoureleasethebladecontrolbar,the

bladeandself-propeldriveshouldstop.Iftheydonot,

contactanAuthorizedServiceDealer.

Thismachineproducessoundlevelsinexcess

of85dBAattheoperator’searandcancause

hearinglossthroughextendedperiodsof

exposure.

Wearhearingprotectionwhenoperatingthis

machine.

Figure8

1.Warning—wearhearingprotection.

CheckingtheEngineOilLevel

ServiceInterval:Beforeeachuseordaily

Initially,llthecrankcasewith29ounces(0.85liters)

ofoil.Useonlyhigh-qualitySAE30orSAE10W30

weightdetergentoilthathastheAmericanPetroleum

Institute(API)serviceclassicationSF,SG,SH,orSJ.

Beforeeachuse,ensurethattheoillevelisbetweenthe

AddandFullmarksonthedipstick(Figure9).

Figure9

1.Dipstick3.Add

2.Full

Note:Whenthecrankcaseisempty,pourabout3/4

ofthecrankcasecapacityofoilinthecrankcase,then

followtheprocedureinthissection.

1.Movethelawnmowertoalevelsurface.

2.Cleanaroundthedipstick(Figure9).

3.Removethedipstickbyrotatingthecap

counterclockwiseandpullingitout.

4.Wipethedipstickcleanwithacleancloth.

5.Insertthedipstickintothellerneck,butdonot

screwitin.

6.Removethedipstickandreadtheoillevelonthe

dipstick(Figure9).

7.IftheoillevelreadingisbelowtheAddmarkon

thedipstick,slowlypouronlyenoughoilintothe

llerholetoraisetheoilleveltotheFullmarkon

thedipstick.

Important:Donotoverllthecrankcasewith

oilandruntheengine;enginedamagewill

result.Draintheexcessoiluntiltheoillevelon

thedipstickreadsFull.

8.Insertthedipstickintothellerneckandrotatethe

capclockwiseuntilitistight.

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(Figure10).

Figure10

1.Oilll/dipstick

3.Aircleaner

2.Fueltankcap

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).

Figure11

1.Sparkplug4.Groundspeedcontrol

lever

2.Primer

5.Starterhandle

3.Throttlecontrollever

2.MovethethrottlecontrollevertotheFastposition

(Figure7).

3.MovethegroundspeedcontrollevertotheNeutral

(N)position(Figure11).

4.Pushintheprimeroncewithyourthumb,holding

itinforasecondbeforereleasingit(Figure11).

5.Pullthestarterhandlelightlyuntilyoufeel

resistance,thenpullitsharply(Figure11).

6.Regulatethethrottleandthegroundspeedcontrol

asdesiredwhentheenginestarts.

Note:Iftheenginefailstostartafter3pulls,repeat

steps2through6.

StoppingtheEngine

1.MovethethrottlecontroltotheStopposition.

2.Disconnectthewirefromthesparkplugifyoudo

notusethelawnmowerorleaveitunattended.

OperatingtheBlade

EngagingtheBlade

Whenyoustartyourengine,thebladedoesnotturn.

Youmustengagethebladetomow .

1.Pushthecontrolbarlockforward(Figure12).

Figure12

2.Pullthebladecontrolbartothehandleandhold

it(Figure13).

Figure13

DisengagingtheBlade

Releasethebladecontrolbar.

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).

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.

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.

•Forlightleafcoverage,setallthewheelsatthesame

cuttingheightsetting.

•Iftherearemorethan5inches(12.7cm)ofleaves

onthelawn,setthefrontcuttingheight1or2

notcheshigherthantherearcuttingheight.This

makesiteasiertofeedtheleavesunderthemower

housing.

•Slowdownyourmowingspeedifthemowerdoes

notcuttheleavesnelyenough.

•Ifyoumowoveroakleaves,youcanaddlimeto

thegrassinthespringtoreducetheacidityofthe

oakleaves.

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.

Lubrication

LubricatingthePivotArms

ServiceInterval:Every50hours

Afterevery50operatinghoursorwhentheseasonends,

lubricatethepivotarms.

1.Movetherearwheelcuttingheightleverstothe

centersetting.

2.Wipethegreasettingswithacleanrag(Figure19).

Figure19

3.Installagreasegunontothettingandgentlyapply2

or3pumpsof#2multi-purposelithium-basegrease.

Important:Excessivegreasepressuremay

damagetheseals.

LubricatingtheGearCase

ServiceInterval:Every100hours

Afterevery100operatinghours,greasethegearcase.

1.Removethegrassbag.

2.Installagreasegunontothettingthroughthebelt

coveropening(Figure20).

Figure20

3.Gentlyapplyoneto2pumpsof#2multi-purpose

lithium-basegrease.

4.Installthegrassbag.

EngineMaintenance

ServicingtheAirFilter

ServiceInterval:Every25hours

Every300hours

Every100hours

Cleanthefoampre-cleanerevery25operatinghours.

Replacethepaperairlteronceeveryseasonorevery

300operatinghours;replaceitmorefrequentlyindusty

conditions.

Important:Donotoperatetheenginewithoutthe

airlterassembly;extremeenginedamagewill

occur.

1.Stoptheengineandwaitforallmovingpartstostop.

2.Disconnectthewirefromthesparkplug(Figure11).

3.Removethecoverandcleanitthoroughly(Figure21).

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)

Changetheoilaftertherst8operatinghoursandthan

afterevery50operatinghoursoreveryseason(more

frequentlyindustyordirtyconditions).

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

Replacetheoillter(Figure22)afterevery100operating

hoursoryearly,whichevercomesrst.

Figure22

1.Oillter

1.Runtheenginetowarmtheoil.

Oilmaybehotaftertheenginehasbeenrun,

andcontactwithhotoilcancausesevere

personalinjury.

Avoidcontactingthehotengineoilwhenyou

drainit.

2.Stoptheengineandwaitforallmovingpartstostop.

3.Disconnectthewirefromthesparkplug(Figure11).

4.Draintheengineoil;refertoChangingtheEngine

Oil.

5.Placearagundertheoilltertocatchanyoilthat

mayleakoutasyouremovethelter.

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

Checkthesparkplugafterevery100operatinghours.

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.

FuelSystem

Maintenance

EmptyingtheFuelTankand

CleaningtheFuelFilter

ServiceInterval:Every100hours

Every50hours

Yearlyorbeforestorage

Thefuellter(screen)elementislocatedinsidethefuel

tank.Cleanthefuellterelementevery100operating

hours.

1.Stoptheengineandwaitforittocooldown.

Important:Draingasolinefromacoldengine

only.

2.Disconnectthewirefromthesparkplug(Figure11).

3.Disconnectthefuellinebylooseningthetubeclamp

atthecarburetor.

4.Drainthegasolinecompletelyfromthetankandfuel

lineintoanapprovedfuelcontainer.

5.Removethefueltankfromthemower.

6.Pourasmallamountoffuelinthefueltank,move

thefuelaroundinthetank,andpouritoutintoan

approvedfuelcontainer.

7.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.

ControlsSystem

Maintenance

AdjustingtheBladeBrake

Cable

Wheneveryouinstallanewbladebrakecableorreplace

thebladebrakeassembly,adjustthespringtensionon

thebladebrakecable.

1.Stoptheengineandwaitforallmovingpartstostop.

2.Disconnectthewirefromthesparkplug(Figure11).

3.Removethefueltankfromthetankbracket.

Note:Youdonotneedtodisconnectthefuelline

fromthefueltank.

4.Resetthecableadjusteronthehandlesothat1/4

inch(6mm)ofthethreadsshow,thentightenthe

nut(Figure26).

Figure26

1.Cableadjuster3.1/4inch(6mm)ofthreads

2.Nut

5.Loosenthecableclampscrewuntilthebrakecable

conduitslides(Figure27).

Figure27

1.Spring3.Cableclampscrew

2.Brakecableconduit

6.Holdthebladecontrolbarsothattheoutsideofthe

baris5-1/2inches(14cm)fromtheoutsideofthe

handle,andpullthecabletotheremovetheslack,

butdonotputtensiononthespring(Figure28).

Figure28

1.5-1/2inches(14cm)

3.Bladecontrolbar

2.Handle

7.Torquethecableclampscrewto100to120in-lb(11

to14N-m)tolocktheadjustmentinplace.

8.Measurethelengthofthespringbothbeforeand

afterengagingthebladecontrolbar.Thedifference

betweenthese2lengthsisthespringstretch.

Note:Thespringstretchmustbebetween0.290

and0.310inches(7.4to7.9mm).Youmayneed

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

Brand: Toro

Model: 21in Heavy-Duty Rear Bagger Lawn Mower

Category: Lawnmowers

Type: User manual

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

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

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