Toro 58620 Operator's Manual

StringMower

58620

Desbrozadoradehilo

58620

Tondeuseàl

58620

FormNo.3445-374RevB

www.T oro.com.

*3445-374*

FormNo.3441-773RevB

StringMower

ModelNo.58620—SerialNo.320000001andUp

Registeratwww.T oro.com.
OriginalInstructions(EN)

*3441-773*

ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineon
anyforest-covered,brush-covered,orgrass-covered
landunlesstheengineisequippedwithaspark
arrester,asdenedinSection4442,maintainedin
effectiveworkingorderortheengineisconstructed,
equipped,andmaintainedforthepreventionofre.

Theenclosedengineowner'smanualissupplied
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCaliforniaEmission
ControlRegulationofemissionsystems,maintenance,
andwarranty.Replacementsmaybeorderedthrough
theenginemanufacturer.

Pleaserefertotheenginemanufacturer’sinformation
includedwiththemachine.

Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Batteryposts,terminals,andrelated

accessoriescontainleadandlead

compounds,chemicalsknownto

theStateofCaliforniatocause

cancerandreproductiveharm.Wash

handsafterhandling.

Useofthisproductmaycauseexposure

tochemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

g337001

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.

g000502

Figure2

1.Safety-alertsymbol

Introduction

Thismachineisintendedtobeusedbyresidential
homeownerstotrimgrassasneededoutdoors.Using
thisproductforpurposesotherthanitsintendeduse
couldprovedangeroustoyouandbystanders.

Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely .

Visitwww.T oro.comforproductsafetyandoperation
trainingmaterials,accessoryinformation,helpnding
adealer,ortoregisteryourproduct.

©2021—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.

2

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

Contents

Safety

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

GeneralSafety...................................................3

SafetyandInstructionalDecals..........................4

Setup........................................................................5

1RaisingtheHandle..........................................5

2InstallingtheDischargeChute.........................6

3AddingOiltotheEngine...................................6

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

Specications....................................................7

BeforeOperation...................................................8

BeforeOperationSafety.....................................8

AddingFuel........................................................8

AdjustingtheHandleHeightandAngle...............9

PerformingDailyMaintenance............................9

AdjustingtheHeightofCut.................................9

DuringOperation.................................................10

DuringOperationSafety...................................10

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

EngagingtheMowerHead................................11

ShuttingOfftheEngine......................................11

OperatingTips..................................................11

AfterOperation.....................................................11

AfterOperationSafety.......................................11

Maintenance...........................................................12

MaintenanceSafety..........................................12

RecommendedMaintenanceSchedule(s)...........12

Pre-MaintenanceProcedures..............................13

PreparingforMaintenance...............................13

EngineMaintenance...........................................13

ServicingtheAirFilter.......................................13

ChangingtheEngineOil...................................13

ServicingtheSparkPlug...................................15

DriveSystemMaintenance..................................16

RemovingandInstallingtheWheels.................16

ReplacingtheDriveBelt...................................16

AdjustingtheDriveBeltT ension........................17

MowerMaintenance.............................................18

ReplacingtheMowerLine................................18

Cleaning..............................................................19

RemovingDebrisfromtheMachine..................19

Storage...................................................................20

StorageSafety..................................................20

StoringtheMachine..........................................20

Troubleshooting......................................................21

Thismachinehasbeendesignedinaccordancewith
EN14910:2007+A1:2009.

GeneralSafety

Thisproductiscapableofthrowingobjects.Always
followallsafetyinstructionstoavoidseriouspersonal
injury.

•Read,understand,andfollowtheinstructions

andwarningsinthisOperator’sManualandon
themachineandattachmentsbeforestartingthe
engine.

•Donotputyourhandsorfeetnearmovingparts

orunderthemachine.

•Donotoperatethemachinewithoutallguards

andothersafetyprotectivedevicesinplaceand
functioningproperlyonthemachine.

•Keepbystandersandchildrenoutoftheoperating

area.Donotallowchildrentooperatethe
machine.Localregulationsmayrestrictthe
ageoftheoperator.Allowonlypeoplewhoare
responsible,trained,familiarwiththeinstructions,
andphysicallycapabletooperatethemachine.

•Stopthemachine,shutofftheengine,andwaitfor

allmovingpartstostopbeforeservicing,fueling,
oruncloggingthemachine.

•Improperlyusingormaintainingthismachinecan

resultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructionsandalways
payattentiontothesafety-alertsymbol
meansCaution,Warning,orDanger—personal
safetyinstruction.Failuretocomplywiththese
instructionsmayresultinpersonalinjury.

,which

3

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.

133-8062

1.Installtheline.

decal133-8062

decal144-4838

144-4838

1.Warning—readthe
Operator’sManual.

2.Thrownobject
hazard—keepbystanders
away.

3.Warning—weareye
protection.

4.Warning—stayawayfrom
movingparts;keepall
guardsandshieldsinplace.

144-4840

5.Warning—donotinstall
othercuttingdevicesonthe
machine.

6.Warning—shutoffthe
engineanddisconnectthe
sparkplugandreadthe
Operator’sManualbefore
performingmaintenance.

decal144-4840

7.Warning—lookbehind
youwhenoperatingthe
machineinreverse.

8.Warning—donotoperate
upanddownslopes;
operatesidetosideon
slopes.

4

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

1
2
3

Nopartsrequired

Dischargechute1
Screw

Engineoil1Addoiltotheengine.

1

RaisingtheHandle

NoPartsRequired

Procedure

1.Holdthehandlewith1handandusetheotherto
loosenbothhandle-adjustmentknobsuntilthe
ratchetteetharedisengaged.Donotremove
theknobs.

2.Raisethehandleandadjustittothedesired
positionandaligntheratchetteeth.Ensurethat
bothsidesarelevel.

Qty.

–

4

1.Handle-adjustmentknob(2)

Raisethehandle.

Installthedischargechute.

Use

g334797

Figure3

Important:Ensurethecablesarenot

pinchedbetweentheupperandlower
handles.

3.Tightentheknobsandensurethatthehandle
pivotslockinplace.

5

2

InstallingtheDischarge
Chute

Partsneededforthisprocedure:

4.Wipethedipstickcleanwithacleancloth.

1Dischargechute

4

Screw

Procedure

Installthedischargechutetothemowerdeckas
shown.

Figure4

1.Screw(4)

2.Dischargechute

g334792

Figure5

1.Dipstick3.Add

2.Full

5.Insertthedipstickintotheoil-lltube,then
removethedipstick.

6.Readtheoillevelonthedipstick(Figure5).

•Iftheoillevelonthedipstickistoolow,

carefullypourasmallamountofoilintothe
oil-lltube,wait3minutes,andrepeatsteps

4through6untiltheoillevelonthedipstick

iscorrect.

•Iftheoillevelonthedipstickistoohigh,

draintheexcessoiluntiltheoillevelonthe
dipstickiscorrect.

g342810

Important:Iftheoillevelintheengineistoo

lowortoohighandyouruntheengine,you
maydamagetheengine.

7.Installthedipstickintotheoil-lltubesecurely.

3

AddingOiltotheEngine

Partsneededforthisprocedure:

1Engineoil

Procedure

Important:Iftheoillevelintheengineistoo

lowortoohighandyouruntheengine,youmay
damagetheengine.

1.Movethemachinetoalevelsurface.

2.Carefullypourabout3/4oftheenginecapacity
ofoilintotheoil-lltube.

3.Wait3minutesfortheoiltosettleintheengine.

8.Recycletheusedoilproperly.

6

ProductOverview

Figure6

1.Mowerbail5.Handle-adjustmentknob9.Mowerline13.Adjustmentcable

2.Upperhandle

3.Engineon/offswitch

4.Recoilstarthandle8.Mowerhead12.Fuelcap

6.Oildipstickandllerneck

7.Dischargechute11.Debrisscreen

Specications

10.Mowerdeck

Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineT oro

Note:Specicationsanddesignaresubjectto

changewithoutnotice.

Length

137cm(54inches)

replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.

Widthwithdischargechute
installed

Widthwithoutchute
installed

Height

Weight

Cuttingwidth56cm(22inches)

62cm(24inches)

54.5cm(21.5inches)

99cm(39inches)

31kg(68lb)

g334820

7

Operation

Determinetheleftandrightsidesofthemachinefrom
thenormaloperatingposition.

BeforeOperation

BeforeOperationSafety

GeneralSafety

•Donotallowchildrenoruntrainedpeopleto

operateorservicethemachine.Localregulations
mayrestricttheageoftheoperator.

•Shutoffthemachineandwaitforallmovingparts

tostopbeforeyouleavetheoperator’sposition.
Allowthemachinetocoolbeforeadjusting,fueling,
unclogging,servicing,cleaning,orstoringthe
machine.

•Becomefamiliarwiththesafeoperationofthe

equipment,operatorcontrols,andsafetysigns.

•Checkthatallguardsandsafetydevices,suchas

deectors,areinplaceandfunctioningproperly.
Donotoperatethemachineunlesstheyare
functioningproperly.

•Knowhowtoshutofftheenginequickly.

•Inspectthemachinefrequentlytoensurethatitis

insafeworkingconditionandthatengine-mounting
boltsandotherfastenersareproperlytightened.

•Inspecttheareawhereyouwillusethemachine

andremoveallobjectsthatcouldinterferewith
theoperationofthemachineorthatthemachine
couldthrow.

•Contactwiththemovingstringlineswillcause

seriousinjury.Donotputyourhandsorfeetnear
them.

FuelSafety

•Useextremecareinhandlingfuel.Itisextremely

ammableanditsvaporsareexplosive.

•Extinguishallcigarettes,cigars,pipes,andother

sourcesofignition.

•Useonlyanapprovedfuelcontainer.

•Donotremovethefuelcaporaddfueltothetank

whiletheengineisrunning.

•Allowtheenginetocoolbeforellingthefueltank.

•Donotllthefueltankindoors.

•Donotstorethemachineorfuelcontainerwhere

thereisanopename,spark,orpilotlight,such
asonawaterheaterorotherappliance.

•Donotllcontainersinsideavehicleoronatruck

ortrailerbedwithaplasticliner.Alwaysplace

containersontheground,awayfromthevehicle
beforelling.

•Removethemachinefromthetruckortrailer

beforellingthefueltank.Ifthisisnotpossible,
thenaddfuelfromaportablecontainerratherthan
fromafuel-dispensernozzle.

•Keepthefuel-dispensernozzleincontactwith

therimofthefueltankorcontaineropeningat
alltimesuntilfuelingiscomplete.Donotusea
nozzlelock-opendevice.

•Ifyouspillfuelonyourclothing,changeyour

clothingimmediately.

•Donotoverllthefueltank.Replacethefuelcap

andtightenitsecurelyafterfueling.

•Ifyouspillfuel,donotattempttostarttheengine;

movethemachineawayfromthespillandavoid
creatingasourceofignitionuntilthefuelvapors
havedissipated.

•Storefuelinafuelcontainerandkeepitoutofthe

reachofchildren.

•Fuelisharmfulorfatalifswallowed.Long-term

exposuretovaporscancauseseriousinjuryand
illness.

–Avoidprolongedbreathingofvapors.
–Keepyourhandsandfaceawayfromthe

nozzleandthefuel-tankopening.

–Keepfuelawayfromyoureyesandskin.

AddingFuel

FuelSpecications

TypeUnleadedgasoline

Minimumoctanerating

Ethanol

MethanolNone

MTBE(methyltertiarybutyl
ether)

OilDonotaddtothefuel

Useonlyclean,fresh(nomorethan30daysold),fuel
fromareputablesource.

UsingStabilizer/Conditioner

Usefuelstabilizer/conditionerinthemachinetokeep
thefuelfreshlongerwhenusedasdirectedbythe
fuel-stabilizermanufacturer.

Important:Donotusefueladditivescontaining

methanolorethanol.

Addtheamountoffuelstabilizer/conditionertofresh
fuelasdirectedbythefuel-stabilizermanufacturer.

87(US)or91(research
octane;outsidetheUS)

Nomorethan10%byvolume

Lessthan15%byvolume

8

FillingtheFuelTank

FillthefueltankasshowninFigure7.

AdjustingtheHeightofCut

Youcanadjusttheheightofcutfrom38to76mm
(1-1/2to3inches).Therecommendedcuttingheight
formostyardsis51mm(2inches).

1.Movethemachinetoalevelsurface,shutoffthe
engine,andwaitforallmovingpartstostop.

2.Disconnectthespark-plugwirefromthespark
plug.

Figure7

AdjustingtheHandle
HeightandAngle

1.Holdingthehandlewith1hand,loosenboth
handle-adjustmentknobsuntiltheratchetteeth
aredisengaged.Donotremovetheknobs.

2.Adjustthehandletothedesiredpositionand
aligntheratchetteeth.Ensurethatbothsides
arelevel.

3.Tightentheknobs.

g230458

3.UsetheL-handlewrenchprovidedwiththe
machinetoloosenthe2capscrews.

4.Adjustthemowerheadtothedesiredheight.

5.Tightenthecapscrews.

6.Connectthesparkplug.

Figure8

1.Handle-adjustmentknob2.Ratchetteeth

PerformingDaily
Maintenance

Beforestartingthemachineeachday ,performthe
EachUse/DailyprocedureslistedinMaintenance

(page12).

g335100

Figure9

1.Height-of-cutpositions

2.Mowerhead

g334885

3.L-handlewrench

9

4.Heightguide

5.Capscrews

DuringOperation

•Iftheenginehasbeenrunning,itwillbehotand

canseverelyburnyou.Keepawayfromthehot
engine.

DuringOperationSafety

GeneralSafety

•Wearappropriateclothing,includingeye

protection;longpants;substantial,slip-resistant
footwear;andhearingprotection.Tiebacklong
hairanddonotwearlooseclothingorloose
jewelry.

•Useyourfullattentionwhileoperatingthe

machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.

•Donotoperatethemachinewhileill,tired,or

undertheinuenceofalcoholordrugs.

•Keepbystandersoutoftheoperatingarea.Keep

smallchildrenoutoftheoperatingareaandunder
thewatchfulcareofaresponsibleadultwhois
notoperatingthemachine.Stopthemachineif
anyoneentersthearea.

•Alwayslookdownandbehindyoubeforemoving

themachineinreverseorpullingthemachine
towardyou.

•Operatethemachineonlyingoodvisibilityand

appropriateweatherconditions.Donotoperate
themachinewhenthereistheriskoflightning.

•Wetgrassorleavescancauseinjuryifyouslip

andfall.Avoidmowinginwetconditions.

•Useextremecarewhenapproachingblind

corners,shrubs,trees,orotherobjectsthatmay
blockyourview.

•Donotdirectthedischargematerialtoward

anyone.Avoiddischargingmaterialagainstawall
orobstruction;materialmayricochettowardyou.
Stopthemachinewhencrossinggravelsurfaces.

•Operatetheengineonlyinwell-ventilatedareas.

Exhaustgasescontaincarbonmonoxide,whichis
anodorless,deadlypoison.

•Donotchangetheenginegovernorsettingsor

overspeedtheengine.

•Whenshuttingofftheengine,reducethethrottle

settingand,iftheengineisequippedwitha
shut-offvalve,shutoffthefuel.

•Shutoffthemachineifyoumusttiltittotransportit

whencrossingsurfacesotherthangrassandwhen
transportingittoandfromtheoperatingarea.

•Donotengagethebailwhenstartingtheengine.

•Starttheenginecarefullyaccordingtothe

instructionsandkeepyourfeetawayfromthe
cuttingline.

•Donottiltthemachinewhenstartingtheengine

unlessitisnecessary.Ifyoumusttiltthemachine,
donottiltitmorethannecessaryandliftonlythe
partthatisawayfromyou.

•Neverreplacethecuttinglineswithmetalparts.

•Neveradjustorrepairthemachinewhilethe

engineisrunning.Alwaysweareyeprotection
wheneveryoumakeadjustmentsorrepairs.

SlopeSafety

•Mowacrossthefaceofslopes;neverupand

down.Usecautionwhenchangingdirectionon
slopes.

•Donotmowonexcessivelysteepslopes.Walk,

neverrun.Poorfootingcouldcauseaslip-and-fall
accident.

•Mowwithcautionneardrop-offs,ditches,or

embankments.

•Watchforholes,ruts,bumps,rocks,orother

hiddenobjects.Uneventerraincouldcauseyou
toloseyourbalanceorfooting.

•Ifthemachinestrikesanobjectorstartsto

vibrate,immediatelyshutofftheengine,waitfor
allmovingpartstostop,anddisconnectthewire
fromthesparkplugbeforeexaminingthemachine
fordamage.Makeallnecessaryrepairsbefore
resumingoperation.

•Donotpickuporcarrythemachinewhilethe

engineisrunning.

•Alwaysshutoffthemachine,waitforallmoving

partstostop,andallowthemachinetocoolbefore
adjusting,servicing,cleaning,orstoringit.

StartingtheEngine

1.Settheengineon/offswitchtotheONposition.

2.Pulltherecoil-starthandle.

Note:Whenyoupulltherecoil-starthandle,

pullitlightlyuntilyoufeelresistance,thenpullit
sharply.Allowtheropetoreturntothehandle
slowly.

Note:Ifthemachinedoesnotstartafterseveral

attempts,contactanAuthorizedServiceDealer.

10

EngagingtheMowerHead

1.Afterstartingtheengine,holdthemowerbail
againstthehandletostartmowerhead.

2.Pushthemachineforwardtomow.

AfterOperation

AfterOperationSafety

3.Releasethebailtodisengagethemowerhead.

Figure10

ShuttingOfftheEngine

1.Releasethemowerbail.

2.Movetheengineon/offswitchtotheOFF
position.

GeneralSafety

•Alwaysshutoffthemachine,waitforallmoving

partstostop,andallowthemachinetocoolbefore
adjusting,servicing,cleaning,orstoringit.

•Cleangrass,debris,andexcessivegreasefrom

themachinetohelppreventres.Cleanupoilor
fuelspills.

•Neverstorethemachineorfuelcontainerwhere

thereisanopename,spark,orpilotlight,such
asonawaterheateroronotherappliances.

g337012

HaulingSafety

•Usecarewhenloadingorunloadingthemachine.

•Securethemachinefromrolling.

3.Waitforallmovingpartstostopbeforeleaving
theoperatingposition.

OperatingTips

•Whenmowingtallandthickweedsorgrass,

operatethemachineataslowerwalkingspeed.

•Frequentlyremovegrassbuildupunderthemower;

refertoRemovingDebrisfromtheMachine(page

19).

•Forbestresultsandincreasedlinelife,mowusing

theendsofthelinebymovingslowlythroughthick
orheavyweeds.

•Shortermowerlinesincreasejobtime.Replace

themowerlineswhentheyareworntolessthan
halftheiroriginallength.

•Mowerheadcontactwithconcrete,asphalt,and

hardersurfacesmaycauseprematureweartothe
heightguideandlines.

11

Maintenance

MaintenanceSafety

•Disconnectthespark-plugwirefromthesparkplug

beforeperforminganymaintenanceprocedure.

•Nevertamperwithsafetydevices.Checktheir

properoperationregularly.

•Keepallnuts,boltsandscrewstighttoensurethat

themachineisinsafeworkingcondition.

•Replaceafaultymufer.

•Tippingthemachinemaycausethefueltoleak.

Fuelisammableandexplosive,andcancause

RecommendedMaintenanceSchedule(s)

personalinjury.Runtheenginedryorremovethe
fuelwithahandpump;neversiphonthefuel.

•Inspectthemachineregularlyandreplaceworn

ordamagedparts.Donotreplacethecuttingline
withmetalparts.

•Toensureoptimumperformanceofthemachine,

useonlygenuineT ororeplacementpartsand
accessories.Replacementpartsandaccessories
madebyothermanufacturerscouldbedangerous,
andsuchusecouldvoidtheproductwarranty.

•Shutofftheenginebeforecheckingtheoilor

addingoiltothecrankcase.

MaintenanceService

Interval

Beforeeachuseordaily

Every2hours

Every25hours

Beforestorage

Yearly

MaintenanceProcedure

•Checkthemowerlines.Replacethelinewhenitishalftheoriginallength.

•Removedebrisfromthemachine.

•Checkthemowerheadengagement.

•Checkandtightenfasteners.

•Checkthebelttension.

•Servicetheairlter;serviceitmorefrequentlyindustyoperatingconditions.

•Lubricatethejackshaftassembly.

•Changetheengineoilperenginemanufacturerrequirements..

•Servicetheaircleaner.

•Emptythefueltank.

•Replacetheairlter;replaceitmorefrequentlyindustyoperatingconditions.

•Changetheengineoilperenginemanufacturerrequirements.

Important:Refertoyourenginemanualforadditionalmaintenanceprocedures.

12

Pre-Maintenance

EngineMaintenance

Procedures

PreparingforMaintenance

1.Movethemachinetoalevelsurface,shutoffthe
engine,andwaitforallmovingpartstostop.

2.Disconnectthespark-plugwirefromthespark
plug.

Figure11

1.Spark-plugwire

3.Afterperformingthemaintenanceprocedure(s),
connectthespark-plugwiretothesparkplug.

Important:Beforetippingthemachineto

changetheoilorreplacethemowerline,
allowthefueltanktorundrythroughnormal
usage.Ifyoumusttipthemachinepriorto
runningoutoffuel,useahandfuelpump
toremovethefuel.Alwaystipthemachine
ontoitsside,withthedipstickdown.

ServicingtheAirFilter

ServiceInterval:Every25hours

Yearly

1.Unclipthetopoftheair-ltercover.

g339525

g334791

Figure12

1.Clip3.Airlter

2.Air-ltercover

2.Removetheairlter.

3.Inspecttheairlter.

Note:Iftheairlterisexcessivelydirty,replace

itwithanewlter.Otherwise,gentlytaptheair
lteronahardsurfacetoloosendebris.

4.Installtheairlter.

5.Usethecliptoinstalltheair-ltercover.

ChangingtheEngineOil

ServiceInterval:Yearly

Changingtheengineoilisnotrequired,butif
youwanttochangetheoil,usethefollowing
procedure.

Note:Runtheengineafewminutesbeforechanging

theoiltowarmit.Warmoilowsbetterandcarries
morecontaminants.

EngineOilSpecications

Engineoilcapacity

OilviscositySAE30orSAE10W-30

APIserviceclassicationSJorhigher

13

0.44L(15oz)*

detergentoil

*Thereisresidualoilinthecrankcaseafteryoudrain
theoil.Donotpourtheentirecapacityofoilintothe
crankcase.Fillthecrankcasewithoilasdirectedin
thefollowingsteps.

1.Movethemachinetoalevelsurface.

2.RefertoPreparingforMaintenance(page13).

3.Removethedipstickbyrotatingthecap
counterclockwiseandpullingitout.

Figure13

1.Dipstick3.Add

2.Full

•Iftheoillevelonthedipstickistoolow,

carefullypourasmallamountofoilintothe
oil-lltube,wait3minutes,andrepeatsteps

8through10untiltheoillevelonthedipstick

iscorrect.

•Iftheoillevelonthedipstickistoohigh,

draintheexcessoiluntiltheoillevelonthe
dipstickiscorrect.

Important:Iftheoillevelintheengineistoo

lowortoohighandyouruntheengine,you
maydamagetheengine.

11.Installthedipstickintotheoil-lltubesecurely.

12.Recycletheusedoilproperly.

g334792

4.Tipthemachineontoitsside(sothattheairlter
isup)todraintheusedoilfromtheoil-lltube.

Figure14

5.Afterdrainingtheusedoil,returnthemachineto
theoperatingposition.

g334793

6.Carefullypourabout3/4oftheenginecapacity
ofoilintotheoil-lltube.

7.Wait3minutesfortheoiltosettleintheengine.

8.Wipethedipstickcleanwithacleancloth.

9.Insertthedipstickintotheoil-lltube,then
removethedipstick.

10.Readtheoillevelonthedipstick.

14

ServicingtheSparkPlug

Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.

Useasparkplugwrenchforremovingandinstalling
thesparkplug(s)andagappingtool/feelergaugeto
checkandadjusttheairgap.Installanewspark
plug(s)ifnecessary.

Type:ChampionRN9YCorequivalent

Airgap:0.75mm(0.03inch)

RemovingtheSparkPlug

1.Disconnectthespark-plugwirefromthespark
plug.

InstallingtheSparkPlug

g027480

Figure17

Figure15

1.Spark-plugwire

2.Cleanaroundthesparkplugstopreventdirt
fromenteringtheengineandpotentiallycausing
damage.

3.Removethesparkplug.

CheckingtheSparkPlug

Important:Donotcleanthesparkplug(s).

Alwaysreplacethesparkplug(s)whenithasa
blackcoating,wornelectrodes,anoilylm,or
cracks.

Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty .

Setthegapto0.75mm(0.03inch).

g339525

Figure16

g206628

15

DriveSystem
Maintenance

RemovingandInstalling
theWheels

ServiceInterval:Every25hours—Lubricatethe

jackshaftassembly.

Removeandinstallthewheelsasshown.

ReplacingtheDriveBelt

1.Removethe2fastenerssecuringtherearofthe
shieldtothemowerhousing.

g337959

Figure19

1.Axlenut

2.Wheel4.Lockwasher

Figure18

1.Rearfastener(2)

2.Frontfastener(4)

3.Shield

2.Removethe4fastenerssecuringthefrontofthe
shieldandmowerheadtothemowerhousing.

g337013

3.Spacer

3.Raisethefrontofthemowerhousing,loosenthe
mountingboltonthedrivepulley,andremove
the“V”pulleyfromtheidlerbracket.

Important:Donotbendthebeltguides.

4.Mowerhead

5.Drivebelt

Figure20

1.Drivepulley3.Drivebelt

2.Beltguide

4.Removethedrivebeltandinstallanewone.

5.Installthe“V”pulleytotheidlerbracket.

16

4.“V”pulley

g337960

6.Tightenthemountingboltonthedrivepulley.

7.Securethemowerheadandtheshield(Figure

19).

AdjustingtheDriveBelt
Tension

ServiceInterval:Every2hours

Maintainproperbelttensiontoimprovemachine
performance.Engagethedriveleverandensurethat
thespringextends3to6mm(1/8to1/4inch).Ifit
doesnot,adjustthebelttension.

Note:Youmayhearashortbuzzingsoundafter

releasingtheengagementleverwhileusingthe
machine.Thisisnormalandiscausedbytheteethof
thecoggedbeltcontactingthewirebeltguidetostop
rotation.Youdonotneedtoadjustthebelttension
forthis.

1.Loosentheupperjamnutontheadjustment
cable.

g337972

Figure22

1.Barrelnut3.Lowerjamnut

2.Upperjamnut4.Adjustmentcable

2.Tightenthelowerjamnutin3mm(1/8inch)
increments.

Note:Ahighernumberofbarrel-nutthreads

belowthebracketincreasesthetensiononthe
belt.

Important:Donotoveradjustthetension.

3.Engagethedriveleverandverifythatthespring
extends3to6mm(1/8to1/4inch);adjustthe
jamnutagainasneeded.

4.Tightenthebottomjamnut.

5.Ifthemowerstilldoesnotproperlyengageafter
adjustingthecable,adjustthejamnutforthe
secondcableunderthemowerdeck.

g337958

Figure21

1.Spring

17

1.Jamnut

Figure23

MowerMaintenance

ReplacingtheMowerLine

ServiceInterval:Beforeeachuseordaily—Check

themowerlines.Replacetheline
whenitishalftheoriginallength.

Usea4mm(0.155inchdiameter)mowerline,witha
lengthof55cm(21-1/2inches).

Important:Donotallowthelinelengthstovary

morethan2.5cm(1inch).Otherwise,themower
headmaynotbebalancedandvibrateduring
operation.

Note:Keepthemowerlinemoisttoextenditslife,

maintainexibility,andeasereplacement.Storeextra
lineinwater.

g337971

1.Removethewornmowerlinefromtheline
retainer.

2.Cutnewmowerlineto55cm(21-1/2inches)or
usingthelengthguide(Figure24)asfollows:

A.Place1endofthelineat1markonthe

shield.

B.Bendthelinealongtheraisedportionofthe

shieldtothesecondmark.

C.Cutthelineatthesecondmark.

Figure24

1.Lengthguide

3.Threadtheendsofthenewmowerlinethrough
theouterloops(Figure25).

g338089

4.Crosstheendsoverthelineretainerandthreat
themthroughthecenterhole.

5.Ensurethattheendsofthelineareeven.

18

Figure25

Cleaning

RemovingDebrisfromthe
Machine

Regularcleaningandwashingincreasesthelifespan
ofthemachine.Cleanthemachinedirectlyafteruse.

Checkbeforecleaningthatthefueltankcapis
properlyinplacetoavoidgettingwaterinthetank.

Important:Youcanwashthemachinewithmild

detergentandwater.Donotpressure-washthe
machine.Avoidexcessiveuseofwater,especially
neartheengine.

g335099

19

Storage

StorageSafety

•Alwaysshutoffthemachine,waitforallmoving

partstostop,andallowthemachinetocoolbefore
adjusting,servicing,cleaning,orstoringit.

•Neverstorethemachinewithfuelinthetank

insideabuildingwherefumesmayreachanopen
ameorspark.

StoringtheMachine

Forstorageover30days,preparethemachineas
follows:

1.Parkthemachineonalevelsurface,disengage
themowerhead,andshutofftheengine.

2.Removedebrisfromthemachineandengine.

Important:Youcanwashthemachine

withmilddetergentandwater.Donot
pressure-washthemachine.Avoid
excessiveuseofwater,especiallynearthe
engine.

7.Checkandtightenallfasteners.Repairor
replaceanypartthatisdamaged.

8.Paintallscratchedorbaremetalsurfaces.Paint
isavailablefromyourAuthorizedServiceDealer.

9.Storethemachineinanuprightpositionina
clean,drygarageorstoragearea.Keepitout
ofreachofchildrenorotherunauthorizedusers.
Coverthemachinetoprotectitandkeepitclean.

3.Removeanddiscardlineorstoreitinasealed
container.

4.Servicetheairlter;refertoServicingtheAir

Filter(page13).

5.Preparethemachineforstorageforover
30daysasfollows:

A.Addfuelstabilizer/conditionertofreshfuel

inthetank.Followmixinginstructionsfrom
thefuelstabilizermanufacturer.Donot
useanalcohol-basedstabilizer(ethanolor
methanol).

B.Runtheenginetodistributeconditionedfuel

throughthefuelsystemfor5minutes.

C.Shutofftheengine,allowittocool,and

drainthefueltank.

D.Starttheengineandrunituntilitshutsoff.

E.Disposeoffuelproperly.Recyclethefuel

accordingtolocalcodes.

Important:Donotstorefuelcontaining

stabilizer/conditionerlongerthan
thedurationrecommendedbythe
fuel-stabilizermanufacturer.

6.Removeandchecktheconditionofthespark
plug;refertoServicingtheSparkPlug(page

15).Withthesparkplugremovedfromthe

engine,pour30ml(2tablespoons)ofengineoil
intothesparkplughole.Installthesparkplug.
Donotinstallthewireonthesparkplug.

20

Troubleshooting

Problem

Theenginedoesnotstart.

Theenginerunspoorly.

Theengineoverheats.

PossibleCauseCorrectiveAction

1.Thespark-plugwireislooseor
disconnected.

2.Thesparkplugiswet,pitted,fouled,or
thegapisincorrect.

3.Thefueltankisempty.3.Fillthefueltank.

4.Theairlterisdirty.4.Replacetheairlter.

5.Thereisdirtinfuellter.5.Replacethefuellter.

6.Thecarburetororfuellineisdirty.6.Cleanthecarburetororfuelline.

7.Thecarburetorisoutofadjustment.7.ContactanAuthorizedServiceDealer

8.TheengineswitchisintheOFF
posiiton.

9.Dirt,water,orstalefuelisinfuel
system.

10.Theengineswitchorwireisdefective.

1.Thesparkplugisfaulty.

2.Theairlterisdirty.2.Replacetheairlter.

3.Thecarburetorisoutofadjustment.3.ContactanAuthorizedServiceDealer

4.Dirt,water,orstalefuelisinfuel
system.

5.Theenginecoolingsystemisclogged.

1.Theenginecoolingsystemisclogged.

2.Thecarburetorisoutofadjustment.2.ContactanAuthorizedServiceDealer

3.Theengine-oillevelislow.3.Addengineoil.

1.Installthewireonthesparkplug.

2.Installanew,correctlygappedspark
plug.

8.MovetheswitchtotheONposition.

9.ContactanAuthorizedServiceDealer.

10.Inspectandreplacedamagedparts.

1.Replacethesparkplug.

4.ContactanAuthorizedServiceDealer.

5.Cleanthedebrisscreenandengine
coolingfans.

1.Cleanthedebrisscreenandengine
coolingfans.

Theenginedoesnotshutoff.

Mowingperformanceispoor.

Themowervibrates.

Themowerheaddoesnotretainline.

1.Theengineon/offswitchisdamaged.

2.Thewiredisconnectedfromtheengine
on/offswitch.

1.Themowerlinelengthistooshort.1.Usethecorrectlinelength.Whenthe

1.Thecapscrewsforthemowerhead
areloose.

2.Themowerlinelengthsare
substantiallydifferent.

3.Anutorboltisloose.

4.Themowerheadisbroken.4.Replacebrokenparts.

1.Themowerlineisnotproperly
attached.

2.Thelineretainerisbroken.2.Replacethemowerheadassembly.

3.Themowerlineisnotthecorrectsize.

1.Inspectandreplacedamagedparts

2.Inspect,repair,orreplacedamaged
parts.

lineislessthanhalfthislength,replace
it.

1.Tightenthecapscrewswiththe
L-handlewrench.

2.Adjustthemowerlinelengthsto
approximatelyequallengths.

3.Checkallboltsandnuts,including
enginebolts.

1.Attachthemowerlinecorrectly.

3.

Useamowerlinewitha4mm(0.155
inch)diameter.

21

Notes: