Lawn-boy 10607, 10627 User Manual

20inMulching/RearBaggingLawn
Mower

ModelNo.10607—SerialNo.312000001andUp

ModelNo.10627—SerialNo.312000001andUp

FormNo.3371-753RevA

Operator'sManual

Introduction

Thisrotary-blade,walk-behindlawnmoweris
intendedtobeusedbyresidentialhomeowners.
Itisdesignedprimarilyforcuttinggrasson
well-maintainedlawnsonresidentialproperties.It
isnotdesignedforcuttingbrushorforagricultural
uses.

Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperating
theproductproperlyandsafely.

YoumaycontactLawn-Boydirectlyat
www.Lawn-Boy.comforproductandaccessory
information,helpndingadealer,ortoregisteryour
product.

Wheneveryouneedservice,genuineLawn-Boyparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorLawn-BoyCustomerServiceandhave
themodelandserialnumbersofyourproductready .
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.

Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjury
ordeathifyoudonotfollowtherecommended
precautions.

Figure2

1.Safetyalertsymbol

Thismanualusestwowordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

1.Modelandserialnumberplate

ModelNo.

SerialNo.

©201 1—Lawn-Boy®Inc.
8111LyndaleAvenueSouth
Bloomington,MN55420

Figure1

Important:Thisengineisnotequippedwitha

sparkarrestermufer.ItisaviolationofCalifornia
PublicResourceCodeSection4442touseoroperate
theengineonanyforest-covered,brush-covered,or
grass-coveredland.Otherstatesorfederalareas
mayhavesimilarlaws.

ThissparkignitionsystemcomplieswithCanadian
ICES-002.

Theenclosed
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCalifornia
EmissionControlRegulationofemissionsystems,
maintenance,andwarranty.Replacementsmaybe
orderedthroughtheenginemanufacturer.

Registeratwww.LawnBoy .com.

Engine Owner's Man ual

issupplied

OriginalInstructions(EN)

PrintedintheUSA

AllRightsReserved

Formodelswithstatedenginehorsepower,thegross
horsepoweroftheenginewaslaboratoryratedbythe
enginemanufacturerinaccordancewithSAEJ1940.
Asconguredtomeetsafety ,emission,andoperating
requirements,theactualenginehorsepoweronthisclass
oflawnmowerwillbesignicantlylower.

Donottamperwiththeenginecontrolsoralterthe
governorspeed;doingsomaycreateanunsafecondition
resultinginpersonalinjury.

Safety

ThislawnmowermeetsorexceedstheCPSCblade
safetyrequirementsforwalk-behindrotarylawnmowers
andtheB71.1specicationsoftheAmericanNational
StandardsInstituteineffectatthetimeofproduction.

Readandunderstandthecontentsofthismanual
beforeyoustarttheengine.

Thesafetyalertsymbol(
topotentialpersonalinjuryhazards.Obeyallsafety
messagesthatfollowthissymboltoavoidpossibleinjury
ordeath.Improperlyusingormaintainingthismower
couldresultininjuryordeath.Toreducethispotential,
complywiththefollowingsafetyinstructions.

Thefollowinginstructionshavebeenadaptedfromthe
ANSI/OPEIstandardB71.1-2003.

Thiscuttingmachineiscapableofamputating
handsandfeetandofthrowingobjects.Failure
toobservethefollowingsafetyinstructionscould
resultinseriousinjuryordeath.

GeneralOperation

Figure2)isusedtoalertyou

•Neverdirectdischargedmaterialtowardanyone.
Avoiddischargingmaterialagainstawallor
obstruction.Materialmayricochetbacktoward
theoperator.Stopthebladewhencrossinggravel
surfaces.

•Donotoperatemachinewithouttheentiregrass
catcher,dischargeguard,rearguard,orothersafety
protectivedevicesinplaceandworking.

•Neverleavearunningmachineunattended.

•Stoptheengineandwaituntilthebladecomes
toacompletestopbeforecleaningthemachine,
removinggrasscatcher,oruncloggingthedischarge
guard.

•Operatemachineonlyindaylightorgoodarticial
light.

•Donotoperatemachinewhileundertheinuence
ofalcoholordrugs.

•Neveroperatemowerinwetgrass.Alwaysbesure
ofyourfooting;walk;neverrun.

•Disengagethedrivesystem,ifsoequipped,before
startingtheengine.

•Ifthemachineshouldstarttovibrateabnormally,
stoptheengineandcheckforthecauseimmediately.
Vibrationisgenerallyawarningoftrouble.

•Alwaysweareyeprotectionwhenoperatingmachine.

•Lightningcancausesevereinjuryordeath.Ifyousee
lightningorhearthunderinthearea,donotoperate
themachine;seekshelter.

•Seemanufacturer'sinstructionsforproperoperation
andinstallationofaccessories.Onlyuseaccessories
approvedbythemanufacturer.

•Read,understand,andfollowallinstructionsonthe
machineandinthemanual(s)beforestarting.

•Donotputhandsorfeetnearorunderthemachine.
Keepclearofthedischargeopeningatalltimes.

•Onlyallowresponsibleadults,whoarefamiliarwith
theinstructions,tooperatethismachine.

•Cleartheareaofobjectssuchasrocks,wire,toys,
etc.,whichcouldbethrownbytheblade.Staybehind
thehandlewhentheengineisrunning.

•Besuretheareaisclearofbystandersbefore
operating.Stopmachineifanyoneentersthearea.

•Donotoperatemachinebarefootedorwhilewearing
sandals.Alwayswearsubstantialfootwear.

•Donotpullmachinebackwardunlessabsolutely
necessary.Alwayslookdownandbehindbeforeand
whilemovingbackward.

SlopeOperation

Slopesareamajorfactorrelatedtoslipandfallaccidents,
whichcanresultinsevereinjury.Operationonallslopes
requireextracaution.Ifyoufeeluneasyonaslope,do
notmowit.

•Mowacrossthefaceofslopes;neverupanddown.
Exerciseextremecautionwhenchangingdirection
onslopes.

•Watchforholes,ruts,bumps,rocks,orotherhidden
objects.Uneventerraincouldcauseaslipandfall
accident.Tallgrasscanhideobstacles.

•Donotmowonwetgrassorexcessivelysteepslopes.
Poorfootingcouldcauseaslipandfallaccident.

•Donotmowneardrop-offs,ditches,or
embankments.Youcouldloseyourfootingor
balance.

2

Children

WARNING

Tragicaccidentscanoccuriftheoperatorisnotalertto
thepresenceofchildren.Childrenareoftenattractedto
themachineandthemowingactivity.Neverassume
thatchildrenwillremainwhereyoulastsawthem.

•Keepchildrenoutofthemowingareaandunderthe
watchfulcareofaresponsibleadultotherthanthe
operator.

•Bealertandturnmoweroffifachildentersthearea.

•Neverallowchildrentooperatethemachine.

•Useextracarewhenapproachingblindcorners,
shrubs,trees,orotherobjectsthatmayblockyour
viewofachild.

Service

SafeHandlingofGasoline

Toavoidpersonalinjuryorpropertydamage,use
extremecareinhandlinggasoline.Gasolineis
extremelyammableandthevaporsareexplosive.

•Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.

•Useonlyanapprovedgasolinecontainer.

•Neverremovegascaporaddfuelwiththeengine
running.Allowenginetocoolbeforerefueling.

•Neverrefuelthemachineindoors.

•Neverstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlightsuchas
onawaterheateroronotherappliances.

•Neverllcontainersinsideavehicleoronatruck
ortrailerbedwithaplasticliner.Alwaysplace
containersonthegroundawayfromyourvehicle
beforelling.

Exhaustcontainscarbonmonoxide,anodorless,
deadlypoisonthatcankillyou.

Donotruntheengineindoorsorinanenclosed
area.

GeneralService

•Neveroperatemachineinaclosedarea.

•Keepallnutsandboltstighttobesuretheequipment
isinsafeworkingcondition.

•Nevertamperwithsafetydevices.Checktheir
properoperationregularly.

•Keepmachinefreeofgrass,leaves,orotherdebris
build-up.Cleanupoilorfuelspillageandremove
anyfuel-soakeddebris.Allowmachinetocool
beforestoring.

•Ifyoustrikeaforeignobject,stopandinspectthe
machine.Repair,ifnecessary,beforestarting.

•Nevermakeanyadjustmentsorrepairswiththe
enginerunning.Disconnectthespark-plugwireand
groundagainstenginetopreventunintendedstarting.

•Checkgrasscatchercomponentsandthedischarge
guardfrequentlyandreplacewithmanufacturer's
recommendedparts,whennecessary.

•Mowerbladesaresharp.Wrapthebladeorwear
gloves,anduseextracautionwhenservicingthem.

•Donotchangetheenginegovernorsettingor
overspeedtheengine.

•Maintainorreplacesafetyandinstructionlabels,as
necessary.

•Removegas-poweredequipmentfromthetruck
ortrailerandrefuelitontheground.Ifthisisnot
possible,thenrefuelsuchequipmentwithaportable
container,ratherthanfromagasolinedispenser
nozzle.

•Keepthenozzleincontactwiththerimofthefuel
tankorcontaineropeningatalltimesuntilfuelingis
complete.Donotuseanozzlelock-opendevice.

•Iffuelisspilledonclothing,changeclothing
immediately.

•Neveroverllfueltank.Replacegascapandtighten
securely.

3

SafetyandInstructionalDecals

Important:Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamaged

decals.

94-8072

117-4143

1.Warning—readtheOperator'sManual.

2.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.

3.Cutting/dismembermenthazardofhandorfoot,mower
blade—disconnectthespark-plugwireandreadthe
instructionsbeforeservicingorperformingmaintenance.

4.Cutting/dismembermenthazardofhandorfoot,mower
blade—stayawayfrommovingpartsandkeepallguards
andshieldsinplace.

5.Cutting/dismembermenthazardofhandorfoot,mower
blade—donotmowupanddownslopes,onlymowacross;
stopthemowerandengine,pickupdebrisbeforeoperating;
lookbehindanddownwhenreversing.

4

Setup

1

g017343

Important:Removeanddiscardtheprotective
plasticsheetthatcoverstheengine.

1

AttachingtheHandle

NoPartsRequired

Procedure

WARNING

Foldingorunfoldingthehandleimproperlycan
damagethecables,causinganunsafeoperating
condition.

•Donotdamagethecableswhenfoldingor
unfoldingthehandle.

•Ifacableisdamaged,contactanAuthorized
ServiceDealer.

1.Removethehandleknobsfromthemachinehousing
(Figure3).

Important:Routethecablestotheoutsideof
thehandleasyouinstallthehandle.

Figure4

2

FillingtheEnginewithOil

NoPartsRequired

Procedure

Yourmowerdoesnotcomewithoilintheengine.

1.Removethedipstick(

Figure5).

Figure3

1.Handleknob(2)

2.Aligntheholesintheendsofthehandlewiththose
inthemachinehousingandlooselyscrewthehandle
knobsbackin.

3.Movethehandletotheoperatingpositionand
tightenthehandleknobsastightlyasyoucan.

Figure5

2.Slowlypouroilintotheoillltubeuntiltheoil
levelreachestheFulllineonthedipstick(Figure5).
Donotoverll.(Max.ll:22oz.(0.65l),type:
10W-30orSAE30detergentoilwithanAPIservice
classicationofSJorhigher.)

Note:Eachtimeyouchecktheoillevel,removethe
dipstickandwipeitclean,insertitintotheoilller
neck(butdonotscrewitin),thenremoveitagain
andcheckthelevel(Figure5).

Note:Ifyouoverlltheengine,poursomeoilout
ofitasdirectedinChangingtheEngineOil.

3.Installthedipsticksecurely.

5

Important:

g017292

10

5

6

7

8

1

2

9

4

11

3

5 operating hour s

Change the engine oil after the r st

;changeityearlythereafter.

RefertoChangingtheEngineOil.

ProductOverview

Figure6

1.Sparkplug

2.Airlter7.Self-propeldrivebar

3.Oilll/Dipstick

4.Fueltankcap

5.Recoilstarthandle

6.Bladecontrolbar

8.Handleheightadjustment
knob

9.Grassbag

10.Cuttingheightlever(4)

6

Operation

Attachments/Accessories

AselectionofLawn-Boyapprovedattachmentsand
accessoriesareavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorDistributoror
gotowww .Lawn-Boy .comforalistofallapproved
attachmentsandaccessories.

FillingtheFuelTank

DANGER

CheckingtheEngineOilLevel

ServiceInterval:Beforeeachuseordaily

1.Removethedipstick,wipeitclean,andinsertitinto
theoilllerneck,butdonotscrewitin(Figure8).

Gasolineisextremelyammableandexplosive.A
reorexplosionfromgasolinecanburnyouand
others.

•Topreventastaticchargefromignitingthe
gasoline,placethecontainerand/ormower
directlyonthegroundbeforelling,notina
vehicleoronanobject.

•Fillthetankoutdoorswhentheengineiscold.
Wipeupspills.

•Donothandlegasolinewhensmokingoraround
anopenameorsparks.

•Storegasolineinanapprovedfuelcontainer,out
ofthereachofchildren.

Fillthefueltankwithfreshunleadedregulargasoline
fromamajorname-brandservicestation(Figure7).

Important:Toreducestartingproblems,add
fuelstabilizertothefuelallseason,mixingitwith
gasolinelessthan30daysold.

Figure8

2.Removethedipstickandchecktheoillevel
(Figure8).IftheoillevelisbelowtheAddmarkon
thedipstick,slowlypouroilintotheoillltubeto
raisetheoilleveltotheFullmarkonthedipstick.
Donotoverll.(Max.ll:22oz.(0.65l),type:
10W-30orSAE30detergentoilwithanAPIservice
classicationofSJorhigher.)

Note:Ifyouoverlltheengine,poursomeoilout
ofitasdirectedinChangingtheEngineOil.

3.Installthedipsticksecurely.

AdjustingtheCuttingHeight

WARNING

Adjustingthecuttingheightmaybringyouinto
contactwiththemovingblade,causingserious
injury.

•Stoptheengineandwaitforallmovingparts
tostop.

•Donotputyourngersunderthehousingwhen
adjustingthecuttingheight.

Figure7

CAUTION

Iftheenginehasbeenrunning,themuferwillbe
hotandcanseverelyburnyou.Keepawayfromthe
hotmufer.

Adjustthecuttingheightasdesired.Setallfourwheels
tothesameheight.

Note:Toraisethemower,moveallthecuttingheight
leversforward;tolowerthemower,movetheallthe
cuttingheightleversrearward(Figure9).

7

Figure9

1.Raisethemower2.Lowerthemower

Figure12

StartingtheEngine

Note:Thecuttingheightsettingsare1inch(25mm);

1-1/2inch(38mm);2inches(51mm);2-1/2inches
(64mm);3inches(76mm);3-1/2inches(89mm);and
4inches(102mm).

AdjustingtheUpperHandle
Height

Youmayraiseorlowertheupperhandletoaposition
comfortableforyou.

Note:Youcannotraisetheupperhandlehigherthan
theangleofthelowerhandle.

1.Loosentheupperhandleknob(Figure10).

Figure10

Holdthebladecontrolbaragainstthehandleandpull
therecoilstarter(Figure13).

Figure13

1.Bladecontrolbar

Note:Ifthemowerdoesnotstartafterseveralattempts,
contactanAuthorizedServiceDealer.

UsingtheSelf-propelDrive

Tooperatetheself-propeldrive,simplywalkwithyour
handsontheupperhandleandyourelbowsatyour
sides,andthemowerwillautomaticallykeeppacewith
you(Figure14).

2.Movetheupperhandletothedesiredposition
(Figure11).

Figure11

3.Tightentheupperhandleknobastightasyoucan
(Figure12).

Figure14

1.Nudgehere

Note:If,whenbackingupafterself-propelling,the
mowerdoesnotrollbackwardfreely,nudgethemower
forwardaboutaninchortwowithoutengagingthe
self-propeldrive(Figure14),thenpullthemower
backward.

8

StoppingtheEngine

WARNING

ServiceInterval:Beforeeachuseordaily

Tostoptheengine,releasethebladecontrolbar
(Figure15).

Important:Whenyoureleasethebladecontrol
bar,boththeengineandbladeshouldstopwithin
3seconds.Iftheydonotstopproperly,stopusing
yourmowerimmediatelyandcontactanAuthorized
ServiceDealer.

Figure15

MulchingtheClippings

Thebladeissharp;contactingthebladecanresult
inseriouspersonalinjury.

Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.

InstallingtheGrassBag

1.Liftupthereardeector(Figure16).

Figure16

1.Reardeector

2.Insertthegrassbaghandleontothenotchesonthe
handlebrackets(Figure16).

RemovingtheGrassBag

1.Liftupthereardeector(Figure16).

2.Liftthegrassbaghandleoutfromthenotchesonthe
handlebracketsandremovethebagfromthemower.

3.Closethereardeector.

Yourmowercomesfromthefactoryreadytomulchthe
grassandleafclippingsbackintothelawn.

Ifthegrassbagisonthemower,removeit(referto
RemovingtheGrassBag)beforemulchingtheclippings.

BaggingtheClippings

Usethegrassbagwhenyouwanttocollectgrassand
leafclippingsfromthelawn.

WARNING

Aworngrassbagcouldallowsmallstonesand
othersimilardebristobethrownintheoperator'sor
bystander'sdirectionandresultinseriouspersonal
injuryordeathtotheoperatororbystanders.

Checkthegrassbagfrequently.Ifitisdamaged,
installanewLawn-Boyreplacementbag.

OperatingTips

GeneralMowingTips

•Cleartheareaofsticks,stones,wire,branches,and
otherdebristhatthebladecouldhit.

•Avoidstrikingsolidobjectswiththeblade.Never
deliberatelymowoveranyobject.

•Ifthemowerstrikesanobjectorstartstovibrate,
immediatelystoptheengine,disconnectthewire
fromthesparkplug,andexaminethemowerfor
damage.

•Forbestperformance,installanewbladebeforethe
cuttingseasonbegins.

•ReplacethebladewhennecessarywithaLawn-Boy
replacementblade.

CuttingGrass

•Cutonlyaboutathirdofthegrassbladeatatime.
Donotcutbelowthe2inch(51mm)settingunless
thegrassissparseoritislatefallwhengrassgrowth
beginstoslowdown.RefertoAdjustingtheCutting
Height.

9

•Whencuttinggrassover6inches(15cm)tall,mow
atthehighestcuttingheightsettingandwalkslower;
thenmowagainatalowersettingforthebestlawn
appearance.Ifthegrassistoolong,themowermay
plugandcausetheenginetostall.

•Mowonlydrygrassorleaves.Wetgrassandleaves
tendtoclumpontheyardandcancausethemower
toplugortheenginetostall.

WARNING

Wetgrassorleavescancauseseriousinjuryif
youslipandcontacttheblade.Mowonlyindry
conditions.

•Alternatethemowingdirection.Thishelpsdisperse
theclippingsoverthelawnforevenfertilization.

•Ifthenishedlawnappearanceisunsatisfactory,try
oneormoreofthefollowing:

–Replacethebladeorhaveitsharpened.

–Walkataslowerpacewhilemowing.

–Raisethecuttingheightonyourmower.

–Cutthegrassmorefrequently.

–Overlapcuttingswathsinsteadofcuttingafull

swathwitheachpass.

–Setthecuttingheightonthefrontwheelsone

notchlowerthantherearwheels.Forexample,
setthefrontwheelsat2inches(51mm)andthe
rearwheelsat2-1/2inches(64mm).

CuttingLeaves

•Aftercuttingthelawn,ensurethathalfofthelawn
showsthroughthecutleafcover.Youmayneedto
makemorethanonepassovertheleaves.

•Iftherearemorethan5inches(13cm)ofleaves
onthelawn,setthefrontcuttingheightoneortwo
notcheshigherthantherearcuttingheight.

•Slowdownyourmowingspeedifthemowerdoes
notcuttheleavesnelyenough.

10

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

Aftertherst5hours

Beforeeachuseordaily

Every25hours

Every50hours

Every100hours

Beforestorage

Yearly

Important:Refertoyour

MaintenanceProcedure

•Changetheengineoil.

•Checktheengineoillevel.

•Ensurethattheenginestopswithin3secondsafterreleasingthebladecontrolbar.

•Checktheairlterelementsandcleanorreplaceifneeded.

•Cleangrassclippingsanddirtfromunderthemower.

•Checktheairlterfordirty,loose,ordamagedparts,andcleanorreplacethem
ifnecessary .

•Changetheengineoil.

•Replacetheairlterelement(morefrequentlywhenoperatingthemowerindusty
ordirtyoperatingconditions).

•Cleanthecoolingsystem(refertoyourengineowner'smanual).

•Replacethesparkplug.

•Emptythefueltankbeforerepairsasdirectedandbeforeannualstorage.

•Lubricatetheupperhandle.

•Replacethebladeorhaveitsharpened(morefrequentlyiftheedgedullsquickly).

•RefertoyourEngineOperator'sManualforanyadditionalyearlymaintenance
procedures.

Engine Operator's Man ual

foradditionalmaintenanceprocedures.

PreparingforMaintenance

1.Stoptheengineandwaitforallmovingpartstostop.

2.Disconnectthespark-plugwirefromthesparkplug
(Figure17)beforeperforminganymaintenance
procedure.

Figure17

1.Sparkplugwire

3.Afterperformingthemaintenanceprocedure(s),
connectthespark-plugwiretothesparkplug.

Important:Beforetippingthemowertochange
theoilorreplacetheblade,allowthefueltank
torundrythroughnormalusage.Ifyoumust
tipthemowerpriortorunningoutoffuel,usea

handfuelpumptoremovethefuel.Alwaystip
themowerontoitssidewiththedipstickdown.

WARNING

Tippingthemowermaycausethefueltoleak.
Gasolineisammable,explosiveandcancause
personalinjury.

Runtheenginedryorremovethegasolinewith
ahandpump;neversiphon.

ServicingtheAirFilter

ServiceInterval:Every25hours/Yearly(whichever

comesrst)—Checktheairlterfor
dirty,loose,ordamagedparts,and
cleanorreplacethemifnecessary.

Every100hours/Yearly(whichever
comesrst)—Replacetheairlter
element(morefrequentlywhen
operatingthemowerindustyordirty
operatingconditions).

Beforeeachuseordaily

11

1.Performthepre-maintenanceprocedures;referto
PreparingforMaintenance.

2.Unscrewandopentheairltercover(

Figure18

1.Screw3.Airlterelement

2.Airltercover

Figure18).

3.Replacetheairlterelement.

4.Installtheairltercover.

ChangingtheEngineOil

ServiceInterval:Aftertherst5hours

Every50hours/Yearly(whichever
comesrst)

Runtheengineafewminutesbeforechangingtheoil
towarmit.Warmoilowsbetterandcarriesmore
contaminants.

Figure20

4.Slowlypouroilintotheoillltubeuntiltheoil
levelreachestheFulllineonthedipstick(Figure19).
Donotoverll.(Max.ll:22oz.(0.65l),type:
10W-30orSAE30detergentoilwithanAPIservice
classicationofSJorhigher.)

Note:Eachtimeyouchecktheoillevel,removethe
dipstickandwipeitclean,insertitintotheoilller
neck(butdonotscrewitin),thenremoveitagain
andcheckthelevel(

Figure19).

Note:Ifyouoverlltheengine,poursomeoilout
ofitasdirectedinChangingtheEngineOil.

5.Installthedipsticksecurely.

6.Disposeoftheusedoilproperlyatalocalrecycling
center.

LubricatingtheUpperHandle

1.Performthepre-maintenanceprocedures;referto
PreparingforMaintenance.

2.Removethedipstick(

Figure19).

Figure19

3.Tipthemowerontoitsside,withtheairlterup,
todraintheusedoiloutthroughtheoillltube
(

Figure20).

ServiceInterval:Yearly

Lubricatetheleftandrightsidesoftheupperhandle
withalow-viscositysiliconespraylubricantyearlyoras
needed.

1.Spraytheouterplasticendoftheinnerhandle
Figure21).

(

Figure21

12

Note:Usethestrawthatcomeswiththespraycan
todirectthespray .

2.Pushtheupperhandlefullydownandspraythe
innerplasticsurfaceoftheouterhandle(

Figure22).

Figure24

1.Exposedcable

Figure22

AdjustingtheSelf-propelDrive

Ifyourmowerdoesnotself-propelproperly,adjustthe
self-propeldrivecable.

1.Loosenthenutonthecablemount(Figure23).

4.Pushthecablejacketupward1/8inch(3mm).

Note:Youcanplacearuleragainsttheupperside
oftheblackcablemountandmeasurehowfarthe
upperendofthecablejacketmoves(Figure25).

Figure25

1.Cablemount2.Cablejacket

Note:Movingthecablejacketupwarddecreases
thegroundspeed;movingthejacketdownward
increasesthegroundspeed.

Figure23

1.Cablemount

2.Pulltheupperhandlebackfullyrearward.

Note:Ifthehandledoesnotmovesmoothly,refer
toLubricatingtheUpperHandle.

3.Pullthecablejacketdownwarduntilyouremovethe
slackintheexposedcable(

Figure24).

5.Tightenthenutrmly.

6.Startthemowerandchecktheadjustment.

Note:Iftheself-propeldriveisnotproperly
adjusted,repeatthisprocedure.

ReplacingtheBlade

ServiceInterval:Yearly

Important:

the blade pr oper l y

wrenchorareuncomfortableperformingthis
procedure,contactanAuthorizedServiceDealer.

Examinethebladewheneveryourunoutofgasoline.If
thebladeisdamagedorcracked,replaceitimmediately.

13

Y ou will need a torque wr ench to install

.Ifyoudonothaveatorque

Ifthebladeedgeisdullornicked,haveitsharpenedor
replaceit.

CleaningtheMower

ServiceInterval:Beforeeachuseordaily

WARNING

Thebladeissharp;contactingthebladecanresult
inseriouspersonalinjury.

•Disconnectthewirefromthesparkplug .

•Weargloveswhenservicingtheblade.

1.Disconnectthespark-plugwirefromthesparkplug.
RefertoPreparingforMaintenance.

2.Tipthemowerontoitsside,withtheairlterup.

3.Useablockofwoodtoholdthebladesteady .

4.Removetheblade(turnthebladebolt
counterclockwise),savingallthemountinghardware.

5.Installthenewblade(turnthebladeboltclockwise)
andallmountinghardware(

Figure26).

WARNING

Themowermaydislodgematerialfromunderthe
mowerhousing.

•Weareyeprotection.

•Stayintheoperatingposition(behindthe
handle).

•Donotallowbystandersinthearea.

1.Withtheenginerunningonaatpavedsurface,
sprayastreamofwaterinfrontoftherightrear
wheel(

Thewaterwillsplashintothepathoftheblade,
cleaningouttheclippings.

Figure27).

Figure27

Figure26

Important:Positionthecurvedendsofthe

bladetopointtowardthemowerhousing.

6.Useatorquewrenchtotightenthebladeboltto
60ft-lb(82N-m).

Important:Abolttorquedto60ft-lb(82N-m)
isverytight.Whileholdingthebladewitha
blockofwood,putyourweightbehindthe
ratchetorwrenchandtightentheboltsecurely.
Thisboltisverydifculttoovertighten.

2.Whennomoreclippingscomeout,stopthewater
andmovethemowertoadryarea.

3.Runtheengineforafewminutestodrythehousing
topreventitfromrusting.

Storage

Storethemowerinacool,clean,dryplace.

PreparingtheMowerfor
Storage

WARNING

Gasolinevaporscanexplode.

•Donotstoregasolinemorethan30days.

•Donotstorethemowerinanenclosurenearan
opename.

•Allowtheenginetocoolbeforestoringit.

1.Onthelastrefuelingoftheyear,addfuelstabilizer
tothefuelasdirectedbytheenginemanufacturer.

2.Runthemoweruntiltheenginestopsfromrunning
outoffuel.

3.Starttheengineagain.

14

4.Allowtheenginetorununtilitstops.Whenyoucan

g017345

1

nolongerstarttheengine,itissufcientlydry.

5.Disconnectthewirefromthesparkplug.

6.Removethesparkplug,add1oz.(30ml)ofoil
throughthesparkplughole,andpullthestarterrope
slowlyseveraltimestodistributeoilthroughoutthe
cylindertopreventcylindercorrosionduringthe
off-season.

7.Installthesparkplugandtightenitwithatorque
wrenchto15ft-lb(20N-m).

8.Tightenallnuts,bolts,andscrews.

FoldingtheHandle

WARNING

Foldingorunfoldingthehandleimproperlycan
damagethecables,causinganunsafeoperating
condition.

•Donotdamagethecableswhenfoldingor
unfoldingthehandle.

5.Installthesparkplugandtightenittothe
recommendedtorque;seetheEngineOperator’ s

Manual.

6.Performanyneededmaintenanceprocedures;see
Maintenance(page11).

7.Checktheengineoillevel;see
CheckingtheEngineOilLevel(page7)

8.Fillthefuelinthefueltankwithfreshgasoline;see
FillingtheFuelTank(page7)

9.Connectthewiretothesparkplug.

•Ifacableisdamaged,contactanAuthorized
ServiceDealer.

1.Loosenthehandleknobsuntilyoucanmovethe
handlefreely(

1.Handleknob(2)

2.MovethehandleforwardasshowninFigure28.

Figure28).

Figure28

RemovingtheMachinefrom
Storage

1.Unfoldthehandle;refertoUnfoldingtheHandle.

2.Checkandtightenallfasteners.

3.Removethesparkplugandspintheenginerapidly
usingthestartertoblowexcessoilfromthecylinder.

4.Inspectthesparkplugandreplaceitifitisdirty,
worn,orcracked;seetheEngineOperator’sManual.

15

TheLawn-BoyNo-WorryWarranty

ATwo-YearFullWarranty(45dayLimitedWarrantyforCommercialUse)

TheLawn-BoyTru-StartCommitment

AThree-YearFullWarranty(NotapplicableforCommercialUse)

20in.Mulching/
RearBagging
LawnMower

ConditionsandProductsCovered

undertheNo-WorryWarranty

Lawn-Boyanditsafliate,Lawn-BoyW arrantyCompany,pursuanttoan
agreementbetweenthem,jointlypromisetorepairanyLawn-BoyProduct
usedforresidentialpurposes*,ifdefectiveinmaterialsorworkmanship
orifitstopsfunctioningduetothefailureofacomponentfortheperiods
listedbelow.

ProductsWarrantyPeriod

ProductandAttachments2yearwarranty
Engines3yearwarranty
Batteries1year
WearItems(Belts,blades,
bladeadaptors,
grassbags,cables,andwheels)

90days

LimitedWarranty

undertheNo-WorryWarrantyforCommercialUse

Gas-poweredLawn-BoyProductsusedatmorethanonelocation,orused
forinstitutionalorrentaluse,arewarrantedfor45daysagainstdefects
inmaterialsorworkmanship.Componentsfailingduetonormalwear
arenotcoveredbythiswarranty .

CoverageundertheTru-StartCommitment

Lawn-Boy®Inc.anditsafliate,Lawn-BoyWarrantyCompany,pursuant
toanagreementbetweenthem,jointlypromisethatyourTru-Startengine,
whenusedforresidentialpurposes*,willstartontherstorsecondpull
forthree(3)yearsfromthedateofpurchase,ifyouprovidetheroutine
maintenanceitrequires,orwewillxitfreeofcharge.

ThisLawn-BoyCommitmentdoesnotapplywhentheproductisused
commercially.*

Thefollowingappliestoboth

theNo-WorryWarrantyandtheTru-StartCommitment

OwnerResponsibilities

YoumustmaintainyourLawn-BoyProductbyfollowingthemaintenance
proceduresdescribedintheOperator'sManual.Suchroutine
maintenance,whetherperformedbyadealerorbyyou,isatyourexpense.

ItemsandConditionsNotCovered

Thereisnootherexpresswarrantyexceptforspecialemissionsystem
coverageonsomeproducts.Thisexpresswarrantydoesnotcoverthe
following:

•Anyproductorpartwhichhasbeenalteredormisusedand

requiresreplacementorrepairduetoanaccidentorlackofproper
maintenance

•Pickupanddeliverycharges

•Operationalmisuse,neglect,oraccidents

•RepairsorattemptedrepairsbyanyoneotherthananAuthorized

Lawn-BoyServiceDealer

•Repairsoradjustmentstocorrectstartingdifcultiesduetothe

following:

–Failuretofollowpropermaintenanceprocedures

–Contaminantsinthefuelsystem

–Failuretodrainthefuelsystempriortoanyperiodofnon-use

overonemonth

•Specialoperationalconditionswherestartingmayrequiremorethan

twopulls:

–Firsttimestartsafterextendedperiodofnon-useoveronemonth

orseasonalstorage

–Improperstartingprocedure

InstructionsforObtainingWarrantyService

IfyouthinkthatyourLawn-BoyProductcontainsadefectinmaterialsor
workmanship,orifanormal,able-bodiedadultcannolongerstartyour
product’sengineinoneortwopulls,followthisprocedure:

1.ContactanyAuthorizedLawn-BoyServiceDealertoarrangeservice
attheirdealership.T olocateadealerconvenienttoyou,referto
theYellowPagesofyourtelephonedirectory(lookunder“Lawn
Mowers”)oraccessourwebsiteatwww.Lawn-Boy .com.Youmay
alsocallthenumberslistedinitem#3tousethe24-hourLawn-Boy
Dealerlocatorsystem.

2.Bringtheproductandyourproofofpurchase(salesreceipt)tothe
ServiceDealer.Thedealerwilldiagnosetheproblemanddetermine
ifitiscoveredunderwarranty .

3.IfforanyreasonyouaredissatisedwiththeServiceDealer’s
analysisorwiththeassistanceprovided,contactusat:Customer
CareDepartment,ConsumerDivision,Lawn-BoyWarrantyCompany,
811 1LyndaleAvenueSouth,Bloomington,MN55420-1196;orcall
ustollfreeat866-216-6032(U.S.customers)or866-216-6031
(Canadiancustomers).

GeneralConditions

Allrepairscoveredbythesewarrantiesmustbeperformedbyan
AuthorizedLawn-BoyServiceDealerusingLawn-Boyapproved
replacementparts.

NeitherLawn-Boy®Inc.norLawn-BoyWarrantyCompanyisliable
forindirect,incidental,orconsequentialdamagesinconnectionwith
theuseoftheLawn-BoyProductscoveredbythesewarranties,
includinganycostorexpenseofprovidingsubstituteequipment
orserviceduringreasonableperiodsofmalfunctionornon-use
pendingcompletionofrepairsunderthesewarranties.

Somestatesdonotallowexclusionsofincidentalorconsequential
damages,sotheaboveexclusionsmaynotapplytoyou.

Thiswarrantygivesyouspeciclegalrights,andyoumayalsohaveother
rightswhichvaryfromstatetostate.

CountriesOtherthantheUnitedStatesorCanada

CustomerswhohavepurchasedLawn-BoyproductsexportedfromtheUnitedStatesorCanadashouldcontacttheirLawn-BoyDistributor(Dealer)
toobtainguaranteepoliciesforyourcountry ,province,orstate.IfforanyreasonyouaredissatisedwithyourDistributor'sserviceorhavedifculty
obtainingguaranteeinformation,contacttheLawn-Boyimporter.Ifallotherremediesfail,youmaycontactusatLawn-BoyW arrantyCompany.

*Residentialpurposesmeansuseoftheproductonthesamelotasyourhome.Useatmorethanonelocation,orinstitutionalorrentaluse,isconsidered
commercialuseandthecommercialusewarrantywouldapply .

374-0256RevD