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Lawn-Boy 17732, 17730, 17734 User manual

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FormNo.3402-418RevA
21inMulching/RearBaggingLawn
Mower
ModelNo.10730—SerialNo.316000001andUp
ModelNo.10732—SerialNo.316000001andUp
ModelNo.10734—SerialNo.316000001andUp
ModelNo.17730—SerialNo.316000001andUp
ModelNo.17732—SerialNo.316000001andUp
ModelNo.17734—SerialNo.316000001andUp
Operator'sManual
Introduction
Thisrotary-blade,walk-behindlawnmowerisintended
tobeusedbyresidentialhomeowners.Itisdesigned
primarilyforcuttinggrassonwell-maintainedlawns
onresidentialproperties.Itisnotdesignedforcutting
brushorforagriculturaluses.
Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely.
YoumaycontactLawn-Boydirectlyatwww .Lawn-Boy.com
forproductandaccessoryinformation,helpndingadealer,
ortoregisteryourproduct.
Wheneveryouneedservice,genuineLawn-Boyparts,or
additionalinformation,contactanAuthorizedServiceDealer
orLawn-BoyCustomerServiceandhavethemodeland
serialnumbersofyourproductready.Figure1identiesthe
locationofthemodelandserialnumbersontheproduct.
Writethenumbersinthespaceprovided.
g024069
1
Figure1
1.Modelandserialnumberplate
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
Receiveacomplimentaryside-dischargechutebycompleting
theDischargeChuteOrderFormwhenyouregisteryour
productatwww.lawnboy.com/register.Pleaseallow1to2
weeksfordelivery(subjecttoavailability).
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orotherreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineonany
forest-covered,brush-covered,orgrass-coveredlandunless
theengineisequippedwithasparkarrester,asdenedin
Section4442,maintainedineffectiveworkingorderorthe
©2015—Lawn-Boy®Inc.
8111LyndaleAvenueSouth
Bloomington,MN55420
Registeratwww.LawnBoy.com.
OriginalInstructions(EN)
PrintedintheUSA
AllRightsReserved
*3402-418*A
engineisconstructed,equipped,andmaintainedforthe
preventionofre.
ThissparkignitionsystemcomplieswithCanadianICES-002.
Theenclosed
Engine Owner's Man ual
issuppliedfor
informationregardingtheUSEnvironmentalProtection
Agency(EPA)andtheCaliforniaEmissionControl
Regulationofemissionsystems,maintenance,and
warranty.Replacementsmaybeorderedthroughthe
enginemanufacturer.
NetTorque
Thegrossornettorqueofthisenginewaslaboratoryrated
bytheenginemanufacturerinaccordancewiththeSocietyof
AutomotiveEngineers(SAE)J1940.Asconguredtomeet
safety,emission,andoperatingrequirements,theactualengine
torqueonthisclassofmowerwillbesignicantlylower.
Contents
Introduction..................................................................1
Safety...........................................................................2
GeneralSafety.........................................................2
SafetyandInstructionalDecals.................................3
Setup............................................................................4
1UnfoldingtheHandle............................................4
2InstallingtheRecoil-StarterRopeintheRope
Guide.................................................................5
3FillingtheEnginewithOil......................................5
4ChargingtheBattery(Electric-startmodel
only)..................................................................6
5AssemblingtheGrassBag......................................6
ProductOverview..........................................................7
Operation.....................................................................8
BeforeOperation.......................................................8
BeforeOperationSafety...........................................8
Attachments/Accessories.........................................8
FillingtheFuelTank................................................8
CheckingtheEngine-OilLevel..................................9
AdjustingtheCuttingHeight....................................9
DuringOperation.....................................................10
DuringOperatingSafety..........................................10
StartingtheEngine.................................................10
UsingtheSelf-propelDrive(Self-Propelmodel
only).................................................................11
StoppingtheEngine...............................................11
MulchingtheClippings...........................................11
BaggingtheClippings.............................................11
OperatingTips......................................................12
AfterOperation........................................................12
AfterOperatingSafety............................................12
FoldingtheHandle.................................................13
Maintenance.................................................................14
RecommendedMaintenanceSchedule(s)......................14
PreparingforMaintenance.......................................14
ServicingtheAirCleaner.........................................15
ChangingtheEngineOil.........................................15
ChargingtheBattery(Electric-startmodel
only).................................................................16
ReplacingtheFuse(Electric-startmodel
only).................................................................16
ReplacingtheBlade................................................17
AdjustingtheSelf-PropelDriveCable(Self-propel
modelonly)........................................................18
CleaningtheundertheMachine................................18
Storage........................................................................19
PreparingtheMachineforStorage............................19
RemovetheMachinefromStorage............................19
Safety
ThismachinehasbeendesignedinaccordancewithANSI
B71.1-2012.
GeneralSafety
Thisproductiscapableofamputatinghandsandfeetand
ofthrowingobjects.Alwaysfollowallsafetyinstructionsto
avoidseriouspersonalinjury.
Usingthisproductforpurposesotherthanitsintendeduse
couldprovedangeroustoyouandbystanders.
•ReadandunderstandthecontentsofthisOperator’sManual
beforeyoustarttheengine.Ensurethateveryoneusing
thisproductknowshowtouseitandunderstandsthe
warnings.
•Donotputyourhandsorfeetnearmovingcomponents
ofthemachine.
•Donotoperatethemachinewithoutallguardsandother
safetyprotectivedevicesinplaceandworkingonthe
machine.
•Keepclearofanydischargeopening.Keepbystandersa
safedistancefromthemachine.
•Keepchildrenoutoftheoperatingarea.Neverallow
childrentooperatethemachine.
•Stopthemachineandshutofftheenginebeforeservicing,
fueling,oruncloggingthemachine.
Improperlyusingormaintainingthismachinecanresult
ininjury.Toreducethepotentialforinjury,complywith
thesesafetyinstructionsandalwayspayattentiontothe
safety-alertsymbol,whichmeansCaution,Warning,or
Danger—personalsafetyinstruction.Failuretocomplywith
theseinstructionsmayresultinpersonalinjuryordeath.
Youcanndadditionalitemsofsafetyinformationintheir
respectivesectionsthroughoutthismanual.
2
SafetyandInstructionalDecals
Important:Safetyandinstructiondecalsarelocatednearareasofpotentialdanger.Replacedamageddecals.
Manufacturer'sMark
1.Indicatesthatthebladeisidentiedasapartfromthe
originalmachinemanufacturer.
94-8072
104-7953(Electric-startmodelonly)
1.Warning—readtheOperator'sManualforinformationonchargingthebattery;containslead;donotdiscard.
2.ReadtheOperator'sManual.
117–2718
3
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.
Setup
Important:Removeanddiscardtheprotectiveplastic
sheetthatcoverstheengine.
1
UnfoldingtheHandle
NoPartsRequired
Procedure
WARNING
Foldingorunfoldingthehandleimproperlycan
damagethecables,causinganunsafeoperating
condition.
•Donotdamagethecableswhenfoldingor
unfoldingthehandle.
•Ifacableisdamaged,contactanAuthorized
ServiceDealer.
1.Removethehandleknobsfromthemachinehousing
(Figure3).
Figure3
1.Handleknob(2)
Important:Routethecablestotheoutsideofthe
handleasyouunfoldthehandle(Figure4).
4
1
3
2
g025928
Figure4
Electric-startmodelshown
1.Cables
3.Handle
2.Wiringharness
(electric-startmodelonly)
2.Movethehandletotheoperatingposition(Figure3).
3.Installthehandleknobsandtightenthemrmlyby
hand.
2
InstallingtheRecoil-Starter
RopeintheRopeGuide
NoPartsRequired
Procedure
Important:Tostarttheenginesafelyandeasily
wheneveryouusethemachine,installtherecoil-starter
ropeintheropeguide.
Holdtheblade-controlbartotheupperhandleandpullthe
recoil-starterropethroughtheropeguideonthehandle
(Figure5).
Figure5
1.Recoil-starterrope2.Ropeguide
3
FillingtheEnginewithOil
NoPartsRequired
Procedure
Important:Yourmachinedoesnotcomewithoilin
theengine.Beforestartingtheengine,lltheengine
withoil.
1.Movethemachinetoalevelsurface.
2.Removethedipstick(Figure6)andpourabout3/4of
thecrankcasecapacityofoilintotheoil-lltube.
Note:Max.ll:0.53L(18oz),type:10W-30orSAE
30detergentoilwithanAPIserviceclassicationof
SJorhigher.
Figure6
3.Wipeoffthedipstickwithacleancloth.
4.Insertthedipstickintotheoil-lltube,butdonot
screwitin.
5.Removethedipstickandreadtheoillevelonthe
dipstick(Figure6).
5
•Iftheoillevelislow,addasmallamountofoil
slowlytotheoil-lltube,andthenrepeatsteps
3through5untiltheoillevelonthedipstickis
correct.
•Iftheoillevelishigh,draintheexcessoiluntilthe
oillevelonthedipstickiscorrect.Todrainthe
excessoil,refertoChangingtheEngineOil(page
15).
Important:Iftheoillevelinthecrankcaseis
toolowortoohighandyouruntheengine,
youmaydamagetheengine.
6.Installthedipsticksecurely.
Important:
Change the engine oil after the r st 5
operating hour s
;changeityearlythereafter.Refer
toChangingtheEngineOil(page15).
4
ChargingtheBattery
(Electric-startmodelonly)
NoPartsRequired
Procedure
RefertoChargingtheBattery(Electric-startmodelonly)
(page16).
5
AssemblingtheGrassBag
NoPartsRequired
Procedure
1.SlipthegrassbagovertheframeasshowninFigure7.
g027543
1
2
3
Figure7
1.Handle
3.Grassbag
2.Frame
Note:Donotslipthebagoverthehandle(Figure7).
2.Hookthebottomchannelofthebagontothebottom
oftheframe(Figure8).
6
g027544
Figure8
3.Hookthetopandsidechannelsofthebagontothetop
andsidesoftheframe,respectively(Figure8).
ProductOverview
12
Figure9
Electric-startmodelshown
1.Self-propel-drivebar
(self-propelmodelonly)
7.Ignitionkey(electric-start
modelonly)
2.Recoil-starthandle
8.Battery(notshown;
electric-startmodelonly)
3.Grassbag
9.Fuel-tankcap
4.Oilll/Dipstick10.Airlter
5.Cutting-heightlever(2)11.Sparkplug
6.Blade-controlbar12.Batterycharger
(electric-startmodelonly)
7
Operation
BeforeOperation
BeforeOperationSafety
GeneralSafety
•Becomefamiliarwiththesafeoperationoftheequipment,
operatorcontrols,andsafetysigns.
•Checkthatallguardsandsafetydevices,suchasdeectors
and/orgrasscatcher,areinplaceandworkingproperly.
•Alwaysinspectthemachinetoensurethattheblades,
bladebolts,andcuttingassemblyarenotwornor
damaged.
•Inspecttheareawhereyouwillusethemachineand
removeallobjectsthatthemachinecouldthrow .
•Adjustingthecuttingheightmaybringyouintocontact
withthemovingblade,causingseriousinjury.
–Shutofftheengineandwaitforallmovingpartsto
stop.
–Donotputyourngersunderthehousingwhen
adjustingthecuttingheight.
FuelSafety
DANGER
Fuelisextremelyammableandhighlyexplosive.
Areorexplosionfromfuelcanburnyouand
othersandcandamageproperty.
•Topreventastaticchargefromignitingthefuel,
placethecontainerand/ormachinedirectlyon
thegroundbeforelling,notinavehicleoron
anobject.
•Fillthefueltankoutdoors,inanopenarea,when
theengineiscold.Wipeupanyfuelthatspills.
•Donothandlefuelwhensmokingoraroundan
openameorsparks.
•Storefuelinanapprovedcontainerandkeepit
outofthereachofchildren.
WARNING
Fuelisharmfulorfatalifswallowed.Long-term
exposuretovaporscancauseseriousinjuryand
illness.
•Avoidprolongedbreathingofvapors.
•Keepyourhandsandfaceawayfromthenozzle
andthefuel-tankopening.
•Keepfuelawayfromyoureyesandskin.
Attachments/Accessories
AselectionofLawn-Boyapprovedattachmentsand
accessoriesisavailableforusewiththemachinetoenhance
andexpanditscapabilities.ContactyourAuthorizedService
DealerorDistributororgotowww .Lawn-Boy.comforalist
ofallapprovedattachmentsandaccessories.
FillingtheFuelTank
DANGER
Gasolineisextremelyammableandexplosive.A
reorexplosionfromgasolinecanburnyouand
others.
•Topreventastaticchargefromignitingthe
gasoline,placethecontainerand/ormachine
directlyonthegroundbeforelling,notina
vehicleoronanobject.
•Fillthetankoutdoorswhentheengineiscold.
Wipeupspills.
•Donothandlegasolinewhensmokingoraround
anopenameorsparks.
•Storegasolineinanapprovedfuelcontainer,out
ofthereachofchildren.
•Forbestresults,useonlyclean,fresh(lessthan30days
old),unleadedgasolinewithanoctaneratingof87or
higher((R+M)/2ratingmethod).
•Oxygenatedfuelwithupto10%ethanolor15%MTBE
byvolumeisacceptable.
•Ethanol:Gasolinewithupto10%ethanol(gasohol)
or15%MTBE(methyltertiarybutylether)byvolume
isacceptable.EthanolandMTBEarenotthesame.
Gasolinewith15%ethanol(E15)byvolumeisnot
approvedforuse.Neverusegasolinethatcontains
morethan10%ethanolbyvolume,suchasE15
(contains15%ethanol),E20(contains20%ethanol),or
E85(containsupto85%ethanol).Usingunapproved
gasolinemaycauseperformanceproblemsand/orengine
damagewhichmaynotbecoveredunderwarranty.
•Donotusegasolinecontainingmethanol.
•Donotstorefueleitherinthefueltankorinfuel
containersoverthewinterunlessafuelstabilizerisused.
•Donotaddoiltogasoline.
Important:Toreducestartingproblems,addfuel
stabilizertothefuelallseason,mixingitwithgasoline
lessthan30daysold.
8
1 cm (1/2 inch)
g027626
Figure10
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
Max.ll:0.53L(18oz),type:10W-30orSAE30detergent
oilwithanAPIserviceclassicationofSJorhigher.
1.Movethemachinetoalevelsurface.
2.Removethedipstick(Figure11).
Figure11
3.Wipeoffthedipstickendwithacleancloth.
4.Insertthedipstickintotheoil-lltube,butdonot
screwitin.
5.Removethedipstickandreadtheoillevel;referto
Figure11.
•Iftheoillevelislow,addasmallamountofoil
slowlytotheoil-lltube,andthenrepeatsteps
3through5untiltheoillevelonthedipstickis
correct.
•Iftheoillevelishigh,draintheexcessoiluntilthe
oillevelonthedipstickiscorrect.Todrainthe
excessoil,refertoChangingtheEngineOil(page
15).
Important:Iftheoillevelinthecrankcaseis
toolowortoohighandyouruntheengine,
youmaydamagetheengine.
6.Installthedipsticksecurely.
AdjustingtheCuttingHeight
WARNING
Adjustingthecuttingheightmaybringyouinto
contactwiththemovingblade,causingserious
injury.
•Stoptheengineandwaitforallmovingparts
tostop.
•Donotputyourngersunderthehousingwhen
adjustingthecuttingheight.
CAUTION
Iftheenginehasbeenrunning,themuferwillbe
hotandcanseverelyburnyou.Keepawayfromthe
hotmufer.
AdjustingtheCuttingHeight
(High-wheelmodelonly)
Adjustthecuttingheightasdesired.Setthefrontwheelsand
therearwheelstothesameheight.
Note:Toraiseorlowerthemachine,movethecutting-height
leversasshowninFigure12.
Figure12
1.Raisethemachine2.Lowerthemachine
Note:Thecuttingheightsettingsare32mm(1-1/4inches);
44mm(1-3/4inches);57mm(2-1/4inches);70mm(2-3/4
inches);83mm(3-1/4inches);and95mm(3-3/4inches).
9
AdjustingtheCuttingHeight
(Regular-wheelmodelonly)
Adjustthecuttingheightasdesired.Setthefrontwheelsand
therearwheelstothesameheight.
Note:Toraiseorlowerthemachine,movethecutting-height
leversasshowninFigure13.
Figure13
1.Raisethemachine2.Lowerthemachine
Note:Thecuttingheightsettingsare32mm(1-1/4inches);
44mm(1-3/4inches);57mm(2-1/4inches);70mm(2-3/4
inches);83mm(3-1/4inches);and95mm(3-3/4inches).
DuringOperation
DuringOperatingSafety
GeneralSafety
•Wearappropriateclothing,includingeyeprotection;
slip-resistant,substantialfootwear;andhearing
protection.Tiebacklonghair,securelooseclothing,and
donotwearjewelry.
•Donotoperatethemachinewhileill,tired,orunderthe
inuenceofalcoholordrugs.
•Thebladeissharp;contactingthebladecanresultin
seriouspersonalinjury.Shutofftheengineandwaitfor
allmovingpartstostopbeforeleavingtheoperating
position.
•Whenyoureleasetheblade-controlbar,theengineshould
shutoffandthebladeshouldstopwithin3seconds.If
not,stopusingyourmachineimmediatelyandcontactan
AuthorizedServiceDealer.
•Operatethemachineonlyingoodvisibilityand
appropriateweatherconditions.Donotoperatethe
machinewhenthereistheriskoflighting.
•Wetgrassorleavescancauseseriousinjuryifyouslipand
contacttheblade.Mowonlyindryconditions.
•Useextremecarewhenapproachingblindcorners,
shrubs,trees,orotherobjectsthatmayblockyourview.
•Watchforholes,ruts,bumps,rocks,orotherhidden
objects.Uneventerraincouldcauseaslip-and-fall
accident.
•Stopthemachineandinspectthebladesafterstrikingan
objectorifthereisanabnormalvibrationinthemachine.
Makeallnecessaryrepairsbeforeresumingoperation.
•Beforeleavingtheoperatingposition,shutofftheengine,
removethekey,andwaitforallmovingpartstostop.
•Iftheenginehasbeenrunningthemuferwillbehotand
canseverelyburnyou.Keepawayfromthehotmufer.
•Checkthegrasscatchercomponentsandthedischarge
guardfrequentlyandreplacethemwiththemanufacturer’s
recommendedpartswhennecessary.
•Useaccessoriesandattachmentsapprovedbythe
Lawn-Boy®Inc.only.
SlopeSafety
•Mowacrossthefaceofslopes;neverupanddown.Use
extremecautionwhenchangingdirectiononslopes.
•Donotmowonexcessivelysteepslopes.Poorfooting
couldcauseaslip-and-fallaccident.
•Donotmowneardrop-offs,ditches,orembankments.
Youcouldloseyourfootingorbalance.
StartingtheEngine
1.Holdtheblade-controlbar(Figure14)againstthe
handle.
Figure14
1.Blade-controlbar
2.Turntheignitionkey(electric-startmodelonly;referto
Figure15)orpulltherecoil-starthandle(Figure16).
Figure15
10
Figure16
Note:Ifthemachinedoesnotstartafterseveral
attempts,contactanAuthorizedServiceDealer.
UsingtheSelf-propelDrive
(Self-Propelmodelonly)
Tooperatetheself-propeldrive,squeezetheself-propeldrive
bar(Figure17)towardthehandleandholdit.
Figure17
1.Self-propeldrivebar
Todisengagetheself-propeldrive,releasetheself-propel
drivebar.
Note:Themaximumself-propelgroundspeedisxed.To
reducethegroundspeed,increasethespacebetweenthe
self-propeldrivebarandthehandle.
StoppingtheEngine
ServiceInterval:Beforeeachuseordaily
Tostoptheengine,releasetheblade-controlbar(Figure18).
Note:Removetheignitionkeywhenyouleavethemachine
(electric-startmodelonly).
Important:Whenyoureleasetheblade-controlbar,
boththeengineandbladeshouldstopwithin3seconds.
Iftheydonotstopproperly,stopusingyourmachine
immediatelyandcontactanAuthorizedServiceDealer.
Figure18
MulchingtheClippings
Yourmachinecomesfromthefactoryreadytomulchthe
grassandleafclippingsbackintothelawn.
Ifthegrassbagisonthemachine,removeitbeforemulching
theclippings.RefertoRemovingtheGrassBag(page12).
BaggingtheClippings
Usethegrassbagwhenyouwanttocollectgrassandleaf
clippingsfromthelawn.
WARNING
Aworngrassbagcouldallowsmallstonesand
othersimilardebristobethrowntowardyouor
bystanders,resultinginseriouspersonalinjuryor
death.
Checkthegrassbagfrequently.Ifitisdamaged,
installanewLawn-Boyreplacementbag.
WARNING
Thebladeissharp;contactingthebladecanresult
inseriouspersonalinjury.
Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
11
InstallingtheGrassBag
1.Liftupthereardeector(Figure19).
1
2
G024075
3
4
Figure19
1.Reardeector3.Rodend(2)
2.Notchinthehandle
bracket(2)
4.Grassbag
2.Inserttherodendsofthegrassbagintothenotches
inthehandlebrackets(Figure19).
3.Allowthereardeectortorestonthebag.
RemovingtheGrassBag
1.Liftupthereardeector(Figure19).
2.Liftthegrass-baghandleoutfromthenotchesonthe
handlebracketsandremovethebagfromthemachine.
3.Closethereardeector.
OperatingTips
GeneralMowingTips
•Cleartheareaofsticks,stones,wire,branches,andother
debristhatthebladecouldhit.
•Avoidstrikingsolidobjectswiththeblade.Never
deliberatelymowoveranyobject.
•Ifthemachinestrikesanobjectorstartstovibrate,
immediatelystoptheengine,disconnectthewirefrom
thesparkplug,andexaminethemachinefordamage.
•Forbestperformance,installanewbladebeforethe
cuttingseasonbegins.
•ReplacethebladewhennecessarywithaLawn-Boy
replacementblade.
CuttingGrass
•Cutonlyaboutathirdofthegrassbladeatatime.Donot
cutbelowthe44mm(1-3/4inch)settingunlessthegrass
issparseoritislatefallwhengrassgrowthbeginstoslow
down.RefertoAdjustingtheCuttingHeight(page9).
•Whencuttinggrassover15cm(6inches)tall,mowatthe
highestcuttingheightsettingandwalkslower;thenmow
againatalowersettingforthebestlawnappearance.If
thegrassistoolong,themachinemayplugandcause
theenginetostall.
•Mowonlydrygrassorleaves.Wetgrassandleavestend
toclumpontheyardandcancausethemachinetoplug
ortheenginetostall.
WARNING
Wetgrassorleavescancauseseriousinjuryif
youslipandcontacttheblade.Mowonlyindry
conditions.
•Alternatethemowingdirection.Thishelpsdispersethe
clippingsoverthelawnforevenfertilization.
•Ifthenishedlawnappearanceisunsatisfactory,try1
ormoreofthefollowing:
–Replacethebladeorhaveitsharpened.
–Walkataslowerpacewhilemowing.
–Raisethecuttingheightonyourmachine.
–Cutthegrassmorefrequently.
–Overlapcuttingswathsinsteadofcuttingafullswath
witheachpass.
–Setthecuttingheightonthefrontwheelsanotch
lowerthantherearwheels.Forexample,setthefront
wheelsat57mm(2-1/4inches)andtherearwheels
at70mm(2-3/4inches).
CuttingLeaves
•Aftercuttingthelawn,ensurethathalfofthelawnshows
throughthecutleafcover.Youmayneedtomakemore
thanasinglepassovertheleaves.
•Iftherearemorethan13cm(5inches)ofleavesonthe
lawn,setthefrontcuttingheight1or2notcheshigher
thantherearcuttingheight.
•Slowdownyourmowingspeedifthemachinedoesnot
cuttheleavesnelyenough.
AfterOperation
AfterOperatingSafety
GeneralSafety
•Cleangrassanddebrisfromthemachinetohelpprevent
res.Cleanupoilorfuelspills.
•Allowtheenginetocoolbeforestoringthemachinein
anyenclosure.
•Neverstorethemachineorfuelcontainerwherethereis
anopename,spark,orpilotlight,suchasonawater
heateroronotherappliances.
12
HaulingSafety
•Usecarewhenloadingorunloadingthemachineintoa
trailerortruck.
•Usefull-widthrampsforloadingthemachineintoa
trailerortruck.Donotexceeda15°anglebetweenthe
rampandthetrailerortruck.
•Tiethemachinedownsecurelyusingstraps,chains,cable,
orropes.Bothfrontandrearstrapsshouldbedirected
downandoutwardfromthemachine.
FoldingtheHandle
WARNING
Foldingorunfoldingthehandleimproperlycan
damagethecables,causinganunsafeoperating
condition.
•Donotdamagethecableswhenfoldingor
unfoldingthehandle.
•Ifacableisdamaged,contactanAuthorized
ServiceDealer.
1.Loosenthehandleknobsuntilyoucanmovethe
handlefreely(Figure20).
Figure20
1.Handleknob(2)
2.MovethehandleforwardasshowninFigure20.
13
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst5hours
•Changetheengineoil.
Beforeeachuseordaily
•Checktheengineoillevel.
•Ensurethattheenginestopswithin3secondsafterreleasingtheblade-controlbar.
Aftereachuse
•Cleangrassclippingsanddirtfromunderthemachine.
Every25hours
•Checktheaircleanerfordirty,loose,ordamagedparts,andcleanorreplacethem
ifnecessary.
•Chargethebatteryfor24hours(electric-startmodelonly).
Every100hours
•Replacetheaircleanerelement(morefrequentlywhenoperatingthemachine
industyordirtyoperatingconditions).
•Cleanthecoolingsystem(refertoyourengineowner'smanual).
•Replacethesparkplug.
Beforestorage
•Emptythefueltankbeforerepairsasdirectedandbeforeannualstorage.
Yearly
•Changetheengineoil.
•Replacethebladeorhaveitsharpened(morefrequentlyiftheedgedullsquickly).
•Refertoyourengineowner'smanualforanyadditionalyearlymaintenance
procedures.
Important:Refertoyourengineowner’smanualforadditionalmaintenanceprocedures.
PreparingforMaintenance
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthespark-plugwirefromthesparkplug
(Figure21)beforeperforminganymaintenance
procedure.
Figure21
1.Spark-plugwire
3.Afterperformingthemaintenanceprocedure(s),
connectthespark-plugwiretothesparkplug.
Important:Beforetippingthemachinetochange
theoilorreplacetheblade,allowthefueltankto
rundrythroughnormalusage.Ifyoumusttip
themachinepriortorunningoutoffuel,usea
handfuelpumptoremovethefuel.Alwaystipthe
machineontoitssidewiththedipstickdown.
WARNING
Tippingthemachinemaycausethefuelto
leak.Gasolineisammableandexplosiveand
cancausepersonalinjury.
Runtheenginedryorremovethegasoline
withahandpump;neversiphon.
14
ServicingtheAirCleaner
ServiceInterval:Every25hours/Yearly(whichevercomes
rst)—Checktheaircleanerfordirty,
loose,ordamagedparts,andcleanor
replacethemifnecessary.
Every100hours/Yearly(whichevercomes
rst)—Replacetheaircleanerelement(more
frequentlywhenoperatingthemachineindustyor
dirtyoperatingconditions).
1.Performthepre-maintenanceprocedures;referto
PreparingforMaintenance(page14).
2.Pressdownonthelatchtabsontopoftheair-cleaner
cover(Figure22).
g027312
Figure22
1.Latchtabs2.Air-cleanerelement
3.Openthecover.
4.Replacetheair-cleanerelement.
5.Installthecover.
ChangingtheEngineOil
ServiceInterval:Aftertherst5hours
Yearly
Runtheengineafewminutesbeforechangingtheoiltowarm
it.Warmoilowsbetterandcarriesmorecontaminants.
1.Performthepre-maintenanceprocedures;referto
PreparingforMaintenance(page14).
2.Tipthemachineontoitsside,withthedipstickdown,
todraintheusedoiloutthroughtheoil-lltube(Figure
23).
Figure23
3.Removethedipstick.
4.Afterdrainingtheusedoil,returnthemachinetothe
normaloperatingposition.
5.Pourabout3/4ofthecrankcasecapacityofoilinto
theoil-lltube.
Note:Max.ll:0.53L(18oz),type:10W-30orSAE
30detergentoilwithanAPIserviceclassicationof
SJorhigher.
6.Wipeoffthedipstickendwithacleancloth.
7.Insertthedipstickintotheoil-lltube,butdonot
screwitin.
8.Removethedipstickandreadtheoillevelonthe
dipstick(Figure24).
15
Figure24
•Iftheoillevelislow,addasmallamountofoil
slowlytotheoil-lltube,andthenrepeatsteps
6through8untiltheoillevelonthedipstickis
correct.
•Iftheoillevelishigh,draintheexcessoiluntilthe
oillevelonthedipstickiscorrect.
Important:Iftheoillevelinthecrankcaseis
toolowortoohighandyouruntheengine,
youmaydamagetheengine.
9.Installthedipsticksecurely.
10.Recycletheusedoilproperly.
ChargingtheBattery
(Electric-startmodelonly)
ServiceInterval:Every25hours
WARNING
CALIFORNIA
Proposition65Warning
Batteryposts,terminals,andrelated
accessoriescontainleadandleadcompounds,
chemicalsknowntotheStateofCalifornia
tocausecancerandreproductiveharm.
Washhandsafterhandling.
Chargethebatteryfor24hoursinitially,thenmonthly(every
25starts)orasneeded.Alwaysusethechargerinasheltered
areaandchargethebatteryatroomtemperature(70°or22°
C)wheneverpossible.
1.Connectthechargertothewireharnesslocatedbelow
theignitionkey(Figure25).
Figure25
2.Plugthechargerintoawalloutlet.
Note:Whenthebatterynolongerholdsacharge,
recycleordisposeofthelead-acidbatteryaccording
tolocalcodes.
Note:Yourbatterychargermayhavea2-colorLEDdisplay
thatindicatesthefollowingstatesofcharging:
•Aredlightindicatesthatthechargerischargingthe
battery.
•Agreenlightindicatesthatthechargerisfullychargedor
thechargerisdisconnectedfromthebattery.
•Aashinglightthatalternatesbetweenredandgreen
indicatesthatthebatteryisnearlyfullycharged.Thisstate
lastsonlyafewminutesuntilthebatteryisfullycharged.
ReplacingtheFuse
(Electric-startmodelonly)
Yourmachinecomeswithafusethatprotectstheelectric
starter.Ifthebatterydoesnotchargeortheenginedoesnot
runwiththeelectricstarter,thefusemaybeblown.Replace
itwitha40-ampplug-intypefuse.
Important:Youcannotstartthemachinewiththe
electricstarterorchargethebatteryunlessyouinstall
thefuse.
1.Unclipthebatterycoverandremoveit(Figure26).
Figure26
1.Batterycover3.Battery
2.Foam4.Fuseholder
2.Insertthefuseintothefuseholder(Figure27).
16
Figure27
3.Installthebatterycover.
ReplacingtheBlade
ServiceInterval:Yearly
Important:
Y ou will need a torque wr ench to install the
blade pr oper l y
.Ifyoudonothaveatorquewrenchor
areuncomfortableperformingthisprocedure,contact
anAuthorizedServiceDealer.
Examinethebladewheneveryourunoutofgasoline.Ifthe
bladeisdamagedorcracked,replaceitimmediately.Ifthe
bladeedgeisdullornicked,haveitsharpenedorreplaceit.
WARNING
Thebladeissharp;contactingthebladecanresult
inseriouspersonalinjury.
•Disconnectthewirefromthesparkplug.
•Weargloveswhenservicingtheblade.
1.Disconnectthespark-plugwirefromthesparkplug.
RefertoPreparingforMaintenance(page14).
2.Tipthemachineontoitsside,withtheairlterup.
3.Useablockofwoodtoholdthebladesteady.
4.Removetheblade(turnthebladebolt
counterclockwise),savingallthemounting
hardware.
5.Installthenewblade(turnthebladeboltclockwise)
andallmountinghardware(Figure28).
Figure28
Important:Positionthecurvedendsoftheblade
topointtowardthemachinehousing.
6.Useatorquewrenchtotightenthebladeboltto82
N-m(60ft-lb).
Important:Abolttorquedto82N-m(60ft-lb)is
verytight.Whileholdingthebladewithablock
ofwood,putyourweightbehindtheratchetor
wrenchandtightentheboltsecurely.Thisboltis
verydifculttoovertighten.
17
AdjustingtheSelf-PropelDrive
Cable(Self-propelmodelonly)
Wheneveryouinstallanewself-propelcableorifthe
self-propeldriveisoutofadjustment,adjusttheself-propel
drivecable.
1.Loosenthecable-supportnut(Figure29).
Figure29
1.25to38mm(1to1-1/2
inches)
4.Cable-supportnut
2.Self-propeldrivebar5.Cablesupport
3.Cablejacket
2.Holdtheself-propelbail25to38mm(1to1-1/2
inches)fromthehandle(Figure29).
3.Pulldownthecablejacket(towardthemachine)until
thereisnoslackinthecable(Figure29).
4.Tightenthenutonthecablesupport.
5.Releasetheself-propeldrivebarandensurethatthe
cableisloose.
Note:Thecablemustbeloosewiththeself-propel
drivebarinthereleasedposition;otherwise,the
machinemaycreepwhenyoudisengagethebar.
Cleaningtheunderthe
Machine
ServiceInterval:Aftereachuse
WARNING
Themachinemaydislodgematerialfromunderthe
machine.
•Weareyeprotection.
•Stayintheoperatingposition(behindthe
handle).
•Donotallowbystandersinthearea.
1.Withtheenginerunningonaatpavedsurface,spraya
streamofwaterinfrontoftherightrearwheel(Figure
30).
Thewaterwillsplashintothepathoftheblade,
cleaningouttheclippings.
Figure30
2.Whennomoreclippingscomeout,stopthewaterand
movethemachinetoadryarea.
3.Runtheengineforafewminutestodrytheunderside
ofthemachinetopreventitfromrusting.
18
Storage
Storethemachineinacool,clean,dryplace.
PreparingtheMachinefor
Storage
WARNING
Gasolinevaporscanexplode.
•Donotstoregasolinemorethan30days.
•Donotstorethemachineinanenclosurenear
anopename.
•Allowtheenginetocoolbeforestoringit.
1.Onthelastrefuelingoftheyear,addfuelstabilizerto
thefuelasdirectedbytheenginemanufacturer.
2.Runthemachineuntiltheenginestopsfromrunning
outoffuel.
3.Primetheengineandstartitagain.
4.Allowtheenginetorununtilitstops.Whenyoucan
nolongerstarttheengine,itissufcientlydry.
5.Disconnectthewirefromthesparkplug.
6.Removethesparkplug,add1oz.(30ml)ofoilthrough
thesparkplughole,andpullthestarterropeslowly
severaltimestodistributeoilthroughoutthecylinder
topreventcylindercorrosionduringtheoff-season.
7.Installthesparkplugandtightenitwithatorque
wrenchto15ft-lb(20N-m).
8.Tightenallnuts,bolts,andscrews.
9.Chargethebatteryfor24hours,thenunplugthe
batterychargeranstorethemachineinanunheated
area.Ifyoumuststorethemachineinaheatedarea,
youmustchargethebatteryevery90days.
RemovetheMachinefrom
Storage
1.Checkandtightenallfasteners.
2.Removethesparkplugandspintheenginerapidly
bypullingtherecoil-starthandleorusingtheelectric
starter(electric-startmodelonly)toblowtheexcess
oilfromthecylinder.
3.Installthesparkplugandtightenitwithatorque
wrenchto20N-m(15ft-lb).
4.Performanymaintenanceprocedures;referto
Maintenance(page14).
5.Checktheengine-oillevel;refertoCheckingthe
Engine-OilLevel(page9).
6.Fillthefueltankwithfreshgasoline;refertoFillingthe
FuelTank(page8).
7.Connectthewiretothesparkplug.
8.Chargethebatteryfor24hours(electric-startmodel
only);refertoChargingtheBattery(Electric-start
modelonly)(page16).
19
TheLawn-BoyNo-WorryWarranty
21in.Mulching/RearBagging
A2-YearFullWarranty(45DayLimitedWarrantyforCommercialUse)
WalkPowerMowers
TheLawn-BoyTrueStartCommitment
A3-YearFullWarranty(NotApplicableforCommercialUse)
ConditionsandProductsCovered
Lawn-BoyInc.anditsafliate,Lawn-BoyWarrantyCompany,pursuant
toanagreementbetweenthem,jointlypromisetorepairtheLawn-Boy
Productlistedbelowifusedforresidentialpurposes*;ifitisdefectivein
materialsorworkmanshiporifitstopsfunctioningduetothefailureofa
component;oriftheLawn-BoyTrueStartenginewillnotstartontherstor
secondpull,providedtheroutinemaintenancerequiredintheOperator's
Manualhavebeenperformed.
Thiswarrantycoversthecostofpartsandlabor,butyoumustpay
transportationcosts.
Thefollowingtimeperiodsapplyfromthedateofpurchase:
ProductsWarrantyPeriod
21in.Mulching/RearBagging
MowersandAttachments
2-yearfullwarranty
TrueStartCommitment3-yearfullwarranty
Engine
3-yearfullwarranty
Battery
1-yearfullwarranty
WearItems(Belts,blades,blade
adaptors,grassbags,cables,and
wheels)
90days
LimitedWarrantyforCommercialUse*
Gas-poweredLawn-BoyProductsusedforcommercial,institutional,or
rentaluse,arewarrantedfor45daysagainstdefectsinmaterialsor
workmanship.Componentsfailingduetonormalweararenotcovered
bythiswarranty.
TheTrueStartCommitmentdoesnotapplywhentheproductisused
commercially*.
InstructionsforObtainingWarrantyService
IfyouthinkthatyourLawn-BoyProductcontainsadefectinmaterialsor
workmanship,orifanormal,able-bodiedadultcannolongerstartyour
product'sengineinoneortwopulls,followthisprocedure:
1.ContactanyAuthorizedLawn-BoyServiceDealertoarrangeservice
attheirdealership.Tolocateadealerconvenienttoyou,refertothe
YellowPagesofyourtelephonedirectory(lookunder“LawnMowers”)
oraccessourwebsiteatwww.Lawn-Boy.com.Y oumayalsocall
thenumberslistedinitem#3tousethe24-hourLawn-BoyDealer
locatorsystem.
2.Bringtheproductandyourproofofpurchase(salesreceipt)tothe
ServiceDealer.Thedealerwilldiagnosetheproblemanddetermineif
itiscoveredunderwarranty.
3.IfforanyreasonyouaredissatisedwiththeServiceDealer’s
analysisorwiththeassistanceprovided,contactusat:
CustomerCareDepartment
Lawn-BoyInc.
8111LyndaleAvenueSouth
Bloomington,MN55420-1196
Tollfreeat866-216-6032(U.S.customers)
Tollfreeat866-216-6031(Canadiancustomers)
OwnerResponsibilities
YoumustmaintainyourLawn-BoyProductbyfollowingthemaintenance
proceduresdescribedintheOperator'sManual.Suchroutinemaintenance,
whetherperformedbyadealerorbyyou,isatyourexpense.
ItemsandConditionsNotCovered
Thereisnootherexpresswarrantyexceptforspecialemissionsystem
coverageandenginewarrantycoverageonsomeproducts.Thisexpress
warrantydoesnotcoverthefollowing:
•Costofregularmaintenanceserviceorparts,suchaslters,fuel,
lubricants,oilchanges,sparkplugs,airltersbladesharpeningorworn
blades,cable/linkageadjustments,orbrakeandclutchadjustments
•Componentsfailingduetonormalwear
•Anyproductorpartwhichhasbeenalteredormisusedorneglected
andrequiresreplacementorrepairduetoaccidentsorlackofproper
maintenance
•Pickupanddeliverycharges
•RepairsorattemptedrepairsbyanyoneotherthananAuthorized
Lawn-BoyServiceDealer
•Repairsnecessaryduetofailuretofollowrecommendedfuel
procedure(consultOperator'sManualformoredetails)
–Removingcontaminantsfromthefuelsystemisnotcovered
–Useofoldfuel(morethanonemonthold)orfuelwhichcontains
morethan10%ethanolormorethat15%MTBE
–Failuretodrainthefuelsystempriortoanyperiodofnon-use
overonemonth
•Repairsoradjustmentstocorrectstartingdifcultiesduetothe
following:
–Failuretofollowpropermaintenanceproceduresorrecommended
fuelprocedure
–Rotarymowerbladestrikinganobject
•Specialoperationalconditionswherestartingmayrequiremorethan
twopulls:
–Firsttimestartsafterextendedperiodofnon-useoverthree
monthsorseasonalstorage
–Cooltemperaturestartssuchasthosefoundinearlyspringand
lateautumn
–Improperstartingprocedures-ifyouarehavingdifcultystarting
yourunit,pleasechecktheOperator'sManualtoensurethat
youareusingthecorrectstartingprocedures.Thiscansavean
unnecessaryvisittoanAuthorizedLawn-BoyServiceDealer.
GeneralConditions
AllrepairscoveredbythesewarrantiesmustbeperformedbyanAuthorized
Lawn-BoyServiceDealerusingLawn-Boy-approvedreplacementparts.
RepairbyanAuthorizedLawn-BoyServiceDealerisyoursoleremedy
underthiswarranty.
Lawn-BoyInc.norLawn-BoyWarrantyCompanyisliableforindirect,
incidental,orconsequentialdamagesinconnectionwiththeuseof
theLawn-BoyProductscoveredbythesewarranties,includingany
costorexpenseofprovidingsubstituteequipmentorserviceduring
reasonableperiodsofmalfunctionornon-usependingcompletionof
repairsunderthesewarranties.
Somestatesdonotallowexclusionsofincidentalorconsequential
damages,sotheaboveexclusionsmaynotapplytoyou.
Thiswarrantygivesyouspeciclegalrights,andyoumayalsohaveother
rightswhichvaryfromstatetostate.
CountriesOtherthantheUnitedStatesorCanada
CustomerswhohavepurchasedLawn-BoyproductsexportedfromtheUnitedStatesorCanadashouldcontacttheirLawn-BoyDistributor(Dealer)
toobtainguaranteepoliciesforyourcountry,province,orstate.IfforanyreasonyouaredissatisedwithyourDistributor'sserviceorhavedifculty
obtainingguaranteeinformation,contacttheLawn-Boyimporter.Ifallotherremediesfail,youmaycontactusatLawn-BoyWarrantyCompany.
AustralianConsumerLaw:AustraliancustomerswillnddetailsrelatingtotheAustralianConsumerLaweitherinsidetheboxoratyourlocal
Lawn-BoyDealer.
*Residentialpurposesmeansuseoftheproductonthesamelotasyourhome.Useatmorethanonelocation,orinstitutionalorrentaluse,isconsidered
commercialuseandthecommercialusewarrantywouldapply.
374-0256RevF
/