MTD 11B-439Q755 User manual

Brand: MTD

Model: 11B-439Q755

Category: Lawnmowers

Type: User manual

Safety • Assembly • Operation • Tips &Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty

OF A O AL

21=inch Rotary Mower- Model Series 430

iMPORTANT

READ SAFETY RULES AND iNSTRUCTiONS CAREFULLY BEFORE OPERATION

Warning: Thisunitisequippedwithan internalcombustionengineandshouldnotbeusedon or nearanyunimprovedforest-covered,brush-

coveredor grass-coveredlandunlesstheengine'sexhaustsystemisequippedwitha sparkarrestermeetingapplicablelocalor statelaws(if any).

If a sparkarresterisused,it shouldbemaintainedineffectiveworkingorderbytheoperator.IntheStateofCaliforniatheaboveisrequiredbylaw

(Section4442oftheCaliforniaPublicResourcesCode).Otherstatesmayhavesimilarlaws.Federallawsapplyonfederallands.A sparkarrester

forthemufflerisavailablethroughyournearestengineauthorizedservicedealeror contacttheservicedepartment,RO.Box361131Cleveland,

Ohio44136-0019.

PRINTEDIN U.S.A.

MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

FORMNO.769-01638C

10/12/2006

This Operator's Manual is an important part of your new lawn mower, it will help you assemble,

prepare and maintain the unit for best performance. Please read and understand what it says.

Table of Contents

Slope Gauge ........................................................ 3

Safe Operation Practices ................................... 4

Setup and Adjustment ....................................... 6

Operating Your Lawn Mower .............................. 8

Maintaining Your Lawn Mower ......................... 10

Troubleshooting ................................................ 12

Safety Labels .................................................... 13

Parts List ........................................................... 14

Warranty ............................................. Back Cover

MTDLLCreservestherighttochangeproductspecifications,designs,andequipmentwithoutnoticeandwithoutincurringobligation.

Finding and Recording Model Number

BEFOREYOUBEGINTOASSEMBLEYOURNEW

EQUIPMENT,pleaselocatethemodelplateon the

equipmentandcopytheinformationto thesample

modelplateprovidedtothe right.Youcanlocatethe

modelplatebystandingatthe operatingpositionand

lookingdown atthe rearofthedeck.Thisinformation

will benecessaryto usethemanufacturer'sweb

site,to obtainassistancefromtheCustomerSup-

port Department,orwhencontactingan authorized

servicedealer.

Model Number Serial Number

MTD LLC

P.O. BOX 361131

CLEVELAND, OH 44136

330-220-4683

, www.mtdproducts.com 800-800-731

Customer Support

Please do NOTreturn the unit to the retailer from which it was

purchased, without first contacting Customer Support.

Ifyou havedifficultyassemblingthis productorhaveanyquestionsregardingthecontrols,operation,or

maintenanceofthis unit,youcanseekhelpfromtheexperts.Choosefromtheoptionsbelow:

= Visitwww.mtdproducts.com

• CallaCustomerSupportRepresentativeat 1-800-800-7310.

• Theengine manufacturer isresponsibleforall engine-relatedissueswith regardsto performance,power-

rating,specifications,warrantyandservice.Pleaserefertothe enginemanufacturer'sOwner's/Operator's

Manual,packedseparatelywithyour unit,for moreinformation.

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Sightandholdthis levelwith a verticaltree...

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WARNING

Thissymbolpoints

out importantsafety

instructionswhich,if

notfollowed,could

endangerthe personal

i safetyand/or property

I ofyourselfand others.

Readandfollowall

instructionsinthis

manualbeforeat-

temptingto operate

i this machine.Failure

I to complywith these

instructionsmayresult

i inpersonalinjury.When

youseethis symbol.

i HEED ITS WARNING!

i Your Responsibility

Restrictthe use

ofthis powermachine

to personswho read.

i understand

andfollow the warnings

and instructions

=nthis manual

and onthe machine.

WARNING: EngineExhaust,some of its constituents,and certainvehiclecompo-

nentscontain or emit chemicals knownto Stateof Californiato cause cancer and

birth defectsor other reproductiveharm.

DANGER: Thismachine was builtto be operatedaccordingto the rulesfor safeoperation in this

manual.As with anytype of powerequipment,carelessnessor erroronthe part ofthe operator

can resultin serious injury.Thismachine is capableof amputatinghandsand feet and throwing

objects. Failureto observethefollowing safety instructionscouldresult in seriousinjury ordeath.

Children

Tragicaccidentscanoccurifoperatorisnotalertto presence

ofchildren.Childrenareoftenattractedtomowerand mowing

activity.Theydonot understandthe dangers.Neverassume

thatchildrenwill remainwhereyoulastsawthem.

1. Keepchildrenoutofthe mowingareaand underwatchful

careofa responsibleadultotherthanthe operator.

2. Bealertandturnmoweroffif achildentersthearea.

3. Beforeandwhilemovingbackwards,lookbehindanddown

forsmallchildren.

4. Useextremecarewhenapproachingblindcorners,

doorways,shrubs,trees,orotherobjectsthatmayobscure

yourvisionofachildwhomayrunintothe mower.

5. Keepchildrenawayfromhotor runningengines.Theycan

sufferburnsfroma hotmuffler.

6. Neverallowchildrenunder14yearsoldto operateapower

mower.Children14yearsoldandovershouldreadand

understandoperationinstructionsandsafetyrulesinthis

manualandshouldbetrainedandsupervisedbyaparent.

General Operation

1. Readthisoperator'smanualcarefullyin its entiretybefore

attemptingtoassemblethismachine.Read,understand,

andfollowall instructionsonthe machineandin the

manual(s)beforeoperation.Becompletelyfamiliarwith

thecontrolsandthe properuseofthis machinebefore

operatingit. Keepthis manualin asafeplaceforfuture

andregularreferenceand for orderingreplacementparts.

2. Thismachineisa precisionpieceof powerequipment,

nota plaything.Therefore,exerciseextremecautionat all

times.Yourunithas beendesignedto performonejob: to

mowgrass.Donotuseit foranyotherpurpose.

3. Neverallow childrenunder14yearsoldto operatethis

machine.Children14yearsoldand overshouldreadand

understandthe instructionsinthismanualandshould

betrainedand supervisedby a parent.Onlyresponsible

individualswhoarefamiliarwiththeserulesofsafe

operationshouldbeallowedto usethismachine.

4. Thoroughlyinspectthe areawherethe equipmentisto

beused.Removeall stones,sticks,wire,bones,toys

andotherforeignobjects,whichcouldbetrippedoveror

pickedupandthrownbythe blade.Thrownobjectscan

causeseriouspersonalinjury.Planyourmowingpattern

toavoiddischargeofmaterialtowardroads,sidewalks,

bystandersandthe like.Also,avoiddischargingmaterial

againsta wallor obstruction,whichmaycausedischarged

materialto ricochetbacktowardtheoperator.

5. Tohelpavoidbladecontactorathrownobjectinjury,

stayinoperatorzonebehindhandlesand keepchildren,

bystanders,helpersandpetsatleast75feetfrom mower

whileit is inoperation.Stopmachineifanyoneenters

area.

6. Alwayswearsafetyglassesor safetygogglesduringopera-

tionandwhile performinganadjustmentor repairtoprotect

youreyes.Thrownobjectswhichricochetcancauseserious

injurytothe eyes.

7. Wearsturdy,rough-soledworkshoesand close-fitting

slacksandshirts.Shirtsand pantsthatcoverthe armsand

legsandsteel-toedshoesarerecommended.Neveroperate

thismachineinbarefeet,sandals,slipperyor light-weight

(e.g.canvas)shoes.

8. Donotputhandsorfeetnearrotatingpartsor undercutting

deck.Contactwithbladecanamputatehandsandfeet.

9. Amissingor damageddischargecovercancauseblade

contactor thrownobjectinjuries.

10.Manyinjuriesoccurasa resultofthe mowerbeingpulled

overthefoot duringa fall causedbyslippingor tripping.

Do notholdontothe mowerifyouarefalling;releasethe

handleimmediately.

11.Neverpullthe mowerbacktowardyouwhileyouare

walking.Ifyoumust backthe mowerawayfromawallor

obstructionfirstlookdownand behindtoavoidtrippingand

thenfollowthesesteps:

a. Stepbackfrommowertofullyextendyourarms.

b. Besureyouarewellbalancedwithsurefooting.

c. Pullthe mowerbackslowly,no morethanhalfway

towardyou.

d. Repeatthesestepsas needed.

12.Do notoperatethe mowerwhileunderthe influenceof

alcoholordrugs.

13.Do notengagetheself-propelledmechanismon unitsso

equippedwhilestartingengine.

14.Thebladecontrolhandleisasafetydevice.Neverattempt

tobypassitsoperation.Doingso makesthe safetydevice

inoperativeandmayresultin personalinjurythrough

contactwiththe rotatingblade.Thebladecontrolhandle

mustoperateeasilyin bothdirectionsandautomatically

returntothe disengagedpositionwhenreleased.

15.Neveroperatethe mowerinwet grass.Alwaysbesureof

yourfooting. A slipand fallcancauseseriouspersonal

injury.If youfeelyouarelosingyourfooting,releasethe

bladecontrolhandleimmediatelyandthe bladewillstop

rotatingwithinthreeseconds.

16.Mowonlyin daylightor goodartificiallight.Walk,neverrun.

17.Stopthe bladewhencrossinggraveldrives,walksor roads.

18.Ifthe equipmentshouldstartto vibrateabnormally,stopthe

engineandcheckimmediatelyfor the cause.Vibrationis

generallya warningoftrouble.

19.Shutthe engineoffand waituntilthebladecomestoa

completestopbeforeremovingthe grasscatcherorunclog-

gingthe chute.

Thecuttingbladecontinuesto rotateforafewsecondsafter

the engineisshutoff. Neverplaceany partofthe bodyin

the bladeareauntilyouaresurethe bladehasstopped

rotating.

20.Neveroperatemowerwithoutpropertrailshield,discharge

cover,grasscatcher,bladecontrolhandleorothersafety

protectivedevicesin placeandworking.Neveroperate

mowerwith damagedsafetydevices.Failureto dosocan

resultin personalinjury.

21.Mufflerandenginebecomehotandcancausea burn.Do

nottouch.

22.Onlyusepartsandaccessoriesmadeforthis machineby

manufacturer.Failuretodoso can resultin personalinjury.

23. Ifsituationsoccurwhicharenotcoveredinthis manual,

usecareandgoodjudgment.Contactyourdealerfor

assistance.

Slope Operation

Slopesareamajorfactorrelatedtoslip andfall accidents,which

canresultinsevereinjury.Operationonslopesrequiresextra

caution.Ifyoufeeluneasyonaslope,do notmowit. Foryour

safety,usetheslopegaugeincludedaspartofthismanualto

measureslopesbeforeoperatingthisuniton aslopedorhilly

area.Ifthe slopeisgreaterthan15degrees,donotmowit.

Do:

1. Mowacrossthefaceofslopes;neverupand down.Exercise

extremecautionwhenchangingdirectiononslopes.

2. Watchfor holes,ruts,rocks,hiddenobjects,or bumps

whichcancauseyouto slipor trip.Tallgrasscan hide

obstacles.

3. Alwaysbesureofyourfooting.A slipand fallcan cause

seriouspersonalinjury.Ifyoufeel youarelosingyour

balance,releasethebladecontrolhandleimmediately,and

the bladewill stoprotatingwithin3seconds.

Do Not:

1. Do notmowneardrop-offs,ditchesor embankments,you

could loseyourfootingor balance.

2. Donotmowslopesgreaterthan 15degreesasshownon

the slopegauge.

3. Donotmowonwet grass.Unstablefootingcouldcause

slipping.

Service

Safe Handling Of Gasoline:

1. Toavoidpersonalinjuryor propertydamageuseextreme

carein handlinggasoline.Gasolineisextremelyflammable

andthevaporsareexplosive.Seriouspersonalinjury can

occurwhengasolineisspilledonyourselfor yourclothes,

whichcanignite.Washyourskin andchangeclothes

immediately.

2. Useonlyan approvedgasolinecontainer.

3. Neverfillcontainersinsidea vehicleor ona truck ortrailer

bedwitha plasticliner.Alwaysplacecontainersonthe

groundawayfromyourvehiclebeforefilling.

4. Removegas-poweredequipmentfromthe truckor trailer

andrefueliton theground.If thisisnot possible,thenrefuel

suchequipmenton atrailer withaportablecontainer,rather

thanfroma gasolinedispensernozzle.

5. Keepthe nozzlein contactwiththe rimofthe fueltankor

containeropeningatall timesuntilfuelingiscomplete.Do

not useanozzlelock-opendevice.

6. Extinguishallcigarettes,cigars,pipesand othersources

ofignition.

7. Neverfuel machineindoorbecauseflammablevaporswill

accumulatein thearea.

8. Neverremovegascap oraddfuelwhileengineishot or

running. Allowengineto coolatleasttwominutesbefore

refueling.

9. Neveroverfillfueltank. Filltankto nomorethanY2inch

belowbottomoffiller neckto providefor fuelexpansion.

10.Replacegasolinecapandtightensecurely.

11.Ifgasolineis spilled,wipeitoff theengineand equipment.

Moveunittoanotherarea.Wait5minutesbeforestarting

engine.

12.Neverstorethe machineorfuel containernearanopen

flame,sparkor pilotlightasona waterheater,space

heater,furnace,clothesdryeror othergasappliances.

13.Toreducefire hazard,keepmowerfreeofgrass,leaves,

orother debrisbuild-up.Cleanupoil orfuelspillageand

removeanyfuel soakeddebris.

14.Allowamowertocoolat least5 minutesbeforestoring.

GeneralService:

1. Neverrunanengineindoorsorin apoorlyventilatedarea.

Engineexhaustcontainscarbonmonoxide,anodorless

anddeadlygas.

2. Beforecleaning,repairing,or inspecting,makecertainthe

bladeandall movingpartshavestopped.Disconnectthe

sparkplugwireandgroundagainstthe engineto prevent

unintendedstarting.

3. Checkthe bladeandenginemountingboltsatfrequent

intervalsfor propertightness.Also,visuallyinspectblade

fordamage(e.g.,bent,cracked,worn)Replacebladewith

theoriginalequipmentmanufacture's(O.E.M.)bladeonly,

listedinthis manual."Useof partswhichdo notmeetthe

originalequipmentspecificationsmayleadto improper

performanceandcompromisesafety!"

4. Mowerbladesaresharpandcancut.Wrapthebladeor

weargloves,anduseextracautionwhenservicingthem.

5. Keepallnuts,bolts,andscrewstightto besurethe equip-

mentis insafeworkingcondition.

6. Nevertamperwithsafetydevices.Checktheirproper

operationregularly.

7. Afterstrikingaforeignobject,stopthe engine,discon-

nectthesparkplugwireandgroundagainsttheengine.

Thoroughlyinspectthe mowerforanydamage.Repairthe

damagebeforestartingandoperatingthe mower.

8. Neverattemptto makeawheelor cuttingheightadjust-

mentwhilethe engineisrunning.

9. Grasscatchercomponents,dischargecover,andtrail

shieldaresubjecttowearanddamagewhichcould

exposemovingpartsor allowobjectstobethrown.For

safetyprotection,frequentlycheckcomponentsand re-

placeimmediatelywithoriginalequipmentmanufacturer's

(O.E.M.)partsonly,listedin thismanual."Useofparts

whichdo notmeetthe originalequipmentspecifications

mayleadtoimproperperformanceandcompromise

safety!"

10.Do notchangetheenginegovernorsettingor over-revthe

engine.Thegovernorcontrolsthe maximumsafeoperating

speedoftheengine.

11.Maintainor replacesafetylabels,as necessary.

12.Observeproperdisposallawsandregulations.Improper

disposaloffluidsandmaterialscanharmtheenvironment.

Practices

WARNING

Thissymbol points

out importantsafety

instructions,which if

notfollowed,could

endangerthe personal

safety and/or property

of yourselfand others.

Readand followall

instructions inthis man-

ual beforeattemptingto

operatethis machine.

Failureto comply with

these instructionsmay

result inpersonalinjury.

Whenyousee this

symbol.

HEED iT'S WARNING!

Your Responsibility

Restrictthe use

of this powermachine

to personswho read.

understand

and followthe warnings

and instructions

in this manua

and onthe machine.

NOTE:ThisOperatorls

ManUalCOvers

severaimodelSlLawn

Mowerfeaturesvaryby

model:Notallfeatures

discussed(orengines

piCtured)inthismanual

areaPpliCabletoall

i NOTE:Standbehind

i themowerasifyou

: weregoingtooperate

i it.Yourrighthandcor-

respondstotheright

sideofthemower;your

lefthandcorresponds

totheleftsideofthe

mower.

NOTE:Yourmower

i isshippedwiththe

handleinthehigher

i heightposition.

iMPORTANT

Thisunitisshipped

withoutgasolineor

oilintheengine.Fil

upgasolineandoil

asinstructedinthe

accompanyingengine

manualBEFORE

operatingyourmower.

HandleMountingB

Figure3-1:Unfoldhandleandtightenhardware.

Figure3-2:Securelowerhandleto mountingbrackets.

ThisOperatorsManualcoversa rangeofproduct

specificationsforvariousmodels.Characteristicsandfea-

turesdiscussedand/orillustratedinthis manualmaynot

beapplicabletoall models.MTDLLCreservesthe right

tochangeproductspecifications,designs,andequipment

withoutnoticeandwithoutincurringobligation.

1. Removeanypackingmaterialwhichmaybebetween

upperandlowerhandles.

a. Pullupand backon upperhandleasshownin

Figure3-1.Makecertainthelowerhandleisseated

securelyintothehandlemountingbrackets.

b. Tightenstarknobssecuringupperhandleto lower

handle,Figure3-1.Makesurethateachcarriage

boltisseatedproperlyin thehandle.

2. Locatethehairpinclipon theweldpinon eachside

lowerhandle.

Removehairpinclipfromthis hole.Usinga pair

ofpliers,inserthairpinclipintotheholeon pin

closesttothebracket,Figure3-2.Repeaton other

side.

b. Inserta carriageboltfromthehardwarepackinto

theupperholeonthehandlemountingbracket,

Figure3-2.Securewithone plasticwingnut,also

includedthehardwarepack.Repeaton otherside.

Theropeguideisattachedtotherightsideofthe

upperhandle.Loosenthewingnutwhichsecuresthe

ropeguide,Figure3-3.

a. Holdbladecontrolhandleagainstupperhandle.

b. Pullstarterropeoutoftheengine.Releaseblade

controlhandle.

c. Slipstarterropeintoropeguide.

d. Tightenwingnut.

Insertpostoncabletiesintoholesprovidedon the

lowerhandle.Pullcabletietightandtrimexcess,

Figure3-4.

Figure3-3:Pullrecoilstarterthroughropeguideandtighten. Figure3-4:Securecabletohandleusingcableties.

5. f

Followstepsbelowtoassemblethegrasscatcher

(if needed).Makecertainbagisturnedrightside

outbeforeassembling(warninglabelwill beonthe

outside).

a. Placebagoverframesothat itsblackplasticside

is atthebottom.

b. Slip plasticchannelofgrassbagoverhooksonthe

frame,Figure3-5.All theplasticchannelsexcept

centertopofbagattachfromoutsideofbag.

c. Attachcentertopofbagfrominsideofbag.

6. Followstepsbelowtoattachthegrasscatcher:

a. Liftreardischargedoor.

b. Placegrasscatcheron thepivotrod.Letgo

ofdischargedoorsothat itrestson thegrass

catcher,Figure3-6.

7. Yourmowerisshippedasa mulcher.Toconvertto

sidedischarge,makesuregrasscatcherisoff ofthe

unitandreardischargedoorisclosed.

a. On thesideofthemower,liftthemulchingplug.

b. Slidechutehooksunderhingepinon mulching

plugassembly.Lowersidemulchingplug,Figure

3-7.Donotremovesidemulchingplugat anytime,

evenwhenyouarenotmulching.

_ WARNING:Neveroperate mowerunless the

hookson the grass catcherare firmly seated

on the pivotrod and the rear dischargedoor rests

firmly against top of thegrass catcher.

Adjustments

An adjustingplateandthumbleverateachwheel

providescuttingheightadjustment.

1. Depresslevertowardswheel.

2. Moveittoanyone ofthepositionsfordesiredcutting

height,Figure3-8. Makesurethateachwheelis

positionedatthesameheight.

3. Releaselevertowardsmowerdeck.

Figure3-5:Assemblethegrasscatcher.

Figure3-6:Attachthegrasscatcher.

Fig Figure3-7:Liftmulchplugandinstallsidedischargechute.

CUTTINGHEIGHT:

All wheelsmust be

positionedatthe same

height.

Your LaWn

Mowe

:WARN ING

The blade control

isa safety device.

DO NOTbypass its

operations.

Use extreme care

when handling

gasoline. Gasolineis

extremely flammable

and the vapors are

explosive. Never fuel

i the machine indoors

i or whilethe engine

is hotor running.

Extinguishcigarettes,

cigars, pipesand

other sources of

ignition.

i Keep handsand feet

away fromthechute

i areaon cuttingdeck.

Referto warning

labelon theunit.

Know Your Lawn Mower

BladeControl

RecoilStarter_

GrassCatcher

CuttingHeightAdjustment

Levers(frontandrear,for

eachwheel)

MulchPlug

SideDischargeChute_

Figure4-1:Themaincomponentsonthe mower.(Model435Ashown)

Nowthatyouhavesetupyourlawnmower,itsimportantto

Blade Control

Thebladecontrolisattachedtothe upperhandleof

themower.Depressand squeezeitagainsttheupper

handletooperatetheunit. Releaseittostopengineand

blade.

,_ WARNING: Thisbladecontrolisasafety

device. Neverattempt to bypass itsopera-

lions.

Cutting Height Adjustment Levers

Oneadjustmentleverislocatedat eachwheelandis

usedtoadjustthecuttingheight.All fourwheelsmust

bepositionedatthe sameheighttoensurea uniform

cut.

Mulch Plug

Themulchplugisusedonlyformulchingpurposes.

Insteadofcollectingthegrassclippingsina grass

catcher,somemowermodelshavetheoptionof

recirculatingtheclippingsbacktothelawn.Thisis

calledmulching.

becomeacquaintedwithitscontrolsandfeatures.

Recoil Starter

Therecoilstarteris attachedtotherightupperhandle.

Standbehindtheunitand pullthe recoilstarterropeto

startthe unit.

Gas and Oil Fill-Up

Referto the enginemanualfor instructions.

1. Checkoillevelandaddoil if necessary.Followengine

manualforthis.

2. Servicetheenginewithgasolineasinstructedinthe

enginemanual.

_l_il&WARNING: Useextreme when

care

handling

gasoline.Gasolineisextremelyflammable

andthevaporsareexplosive.Neverfuelthemachine

indoorsorwhiletheengineishotorrunning.Extin-

guishcigarettes,cigars,pipesandothersourcesof

ignition.

Starting Engine

_ ARNING:Besure no one otherthan the

operatorisstanding near the lawn mower

while starting engine or operatingmower.Never

runengineindoorsor in enclosed,poorly ventilated

areas. Engine exhaustcontains carbon monoxide,an

odorless and deadly gas. Keep hands,feet, hair and

looseclothing awayfrom any moving partson engine

and lawnmower.

Follow theset of instructionspertainingto your unit.

Referto engine manualfor helpwith theengine.

Briggs & Stratton/Tecumseh Engine:

1. Pushprimerthreetimes.Waitabouttwoseconds

betweeneachpush,Figure4-2.Intemperature

around550For below,primefive times.Donotprime

to restarta warmengine.

2. Standingbehindthe mower,squeezethebladecontrol

againstupperhandle,Figure4-2.

3. Holdingthesetwo handlestogetherfirmly,grasprecoil

starterhandleand pullropeoutwitha rapid,continu-

ous,fullarmstroke,Figure4-2.Keepinga firmgripon

thestarterhandle,letthe roperewindslowly.Repeat

untilenginecranks.Letthe roperewindeachtime

slowly.

Honda Engine:

1. Placethefuelvalveleverfoundontheleft sideofthe

engineintotheON(OPEN)position,Figure4-3.

2. Movethechokeleverall thewaybackwardintothe

chokeposition.

3. Standingbehindthe mower,squeezethebladecontrol

againstupperhandle,Figure4-3.Thechokewillnow

begintoslowlyreturntotheoff chokepositionafter

activatingthe bladecontrol.Therefore,quicklymove

ontostepfourbelow.

4. Holdingthesetwo handlestogetherfirmly,grasprecoil

starterhandleand pullropeoutwitha rapid,continu-

ous,fullarmstroke,Figure4-3.Keepinga firmgripon

thestarterhandlelettheroperewindslowly.Repeat

untilenginecranks.Letthe roperewindeachtime

slowly.

WARNING:Waitfor the blade to stop com-

_ pletely performingany on

before work the

moweror to removethe grass catcher.

Figure4-2:Startingthe Briggs& Strattonengine.

Figure4-3:Startingthe Hondaengine.

anydirectionandcauseseriouspersonalinjuryto the

operatorandothers.

_ ARNING:If you strike a foreign object,

stop the engine. Removewire from the

spark plug,thoroughly inspectmower for

anydamage,and repairdamagebeforerestarting

and operating. Extensivevibration of mower during

operation isan indicationof damage.Theunit

should be promptlyinspectedand repaired.

Stopping Engine

1. Releasebladecontroltostoptheengineand blade.

2. Disconnectsparkplugwirefromsparkplugand

groundagainsttheengine.

Using YourLawn Mower

Besurelawnisclearof stones,sticks,wire,or other

objectswhichcoulddamagelawnmowerorengine.

Suchobjectscouldbe accidentlythrownbythemowerin

Using as IVlulcher

Formulchinggrass,removethegrasscatcherandside

dischargechutefromthemower.Foreffectivemulching,

do notcutwetgrass.If thegrasshasbeenallowedto

growin excessof fourinches,mulchingisnotrecom-

mended.Usethegrasscatchertobagclippingsinstead.

UsingGrassCatcher

Youcanusethegrasscatchertocollectclippingswhile

youareoperatingthemower.Refertosetupsectionfor

instructionson attachingthegrasscatcher.

Your Lawn

WARNING

Theoperationofanylawn

mowercanresult inforeign

objectsbeing thrown into

the eyes,which candamage

your eyes severely.Always

wearsafety glasseswhile

operatingthe mower or

while performingany

adjustments orrepairs on it.

Be sure no oneother than

theoperator isstanding

nearthe lawnmower while

startingengineor operating

mower.Neverrun engine

indoors or in enclosed,

poorlyventilatedareas.

Engineexhaust contains

carbonmonoxide,an

odorless and deadlygas.

Keephands, feet, hair and

loose clothingawayfrom

any moving partson engine

and lawn mower.

Neveroperate yourmower

withouteither the rear door

or theentiregrass catcher

assemblyfirmly secured.

Your Lawn

WARNING

Alwaysstop engine,

disconnect spark

plug, and ground

against enginebefore

performinganytype o!

maintenance on your

machine.

Never tip themower

more than 900in

anyd rect onand

notleavethemower

tipped for any length

of time: Oilcan drain

into the upper part of

startingproblem:

pressurewasheror

garden hoseto clean

yourunit. These may

cause damageto beaF

ings;ortheenginel The

used water Willresult

Figure5-1:Areasoflubrication.

General Recommendations

• Alwaysobservesafetyruleswhenperforming

anymaintenance.

• Thewarrantyon thislawnmowerdoesnotcover

itemsthathavebeensubjectedtooperatorabuse

ornegligence.Toreceivefullvaluefromwarranty,

operatormustmaintainthelawnmoweras

instructedhere.

• Changingofengine-governedspeedwillvoid

enginewarranty.

• Alladjustmentsshouldbecheckedat leastonce

eachseason.

• Periodicallycheckallfastenersand makesurethese

aretight.

,_ WARNING:Alwaysstop engine,disconnect

sparkplug,and groundagainst engine

before performinganytype of maintenanceon your

machine.

Deck Care

Cleanundersideofthe mowerdeckaftereachuseto

preventbuild-upofgrassclippingsorotherdebris.

1. Disconnectsparkplugwire.Draingasolinefromlawn

mower,or placea pieceof plasticunderthegascap.

2. Tipmowersothat itrestsonthe housing.Keepthe

sidewiththeair cleanerfacingup.Holdmowerfirmly.

_lb ARNING:Nevertip the mower morethan 90°

inany direction and do not leavethemower

tipped for any lengthof time. Oil can drain intothe

upper partof the engine causing a starting problem.

3. Scrapeand cleantheundersideofthedeckwitha

suitabletool.Donotspraywithwater.

4. Putthemowerbackonits wheelsontheground,if

youhad putplasticunderthegascapearlier,make

sureto removeitnow.

Engine Care

A listofkeyenginemaintenancejobs requiredforgood

performancebythemowerisgivenbelow.Followthe

accompanyingenginemanualforadetailedlistand

instructions.

1. Maintainoil levelasinstructedin enginemanual.

2. Serviceaircleanerevery25 hoursundernormal

conditions.Cleaneveryfewhoursunderextremely

dustyconditions.Poorengineperformanceand

floodingusuallyindicatesthattheaircleanershould

beserviced.Toservicetheaircleaner,refertothe

enginemanual.

3. Cleansparkplugand resetthegaponcea season.

Sparkplugreplacementisrecommendedatthestart

ofeachmowingseason.Checkenginemanualfor

correctplugtypeand gapspecifications.

4. Cleanengineregularlywitha clothorbrush.Keepthe

coolingsystem(blowerhousingarea)cleantopermit

properaircirculation.Removeall grass,dirtand

combustibledebrisfrommufflerarea.

Lubrication

* Lubricatepivotpointson thebladecontrolatleast

oncea seasonwithlightoil.Thebladecontrolmust

operatefreelyinbothdirections.SeeFigure5-1.

, Lubricatethewheelsatleastoncea seasonwith

lightoil (ormotoroil). if wheelsareremovedforany

reason,lubricatesurfaceofthepivotarmandinner

surfaceof thewheelwithlightoil.SeeFigure5-1.

, Lubricatethetorsionspringandpivotpointonthe

reardischargedoorandsidemulchplugperiodically

withlightoil topreventrust.SeeFigure5-1.

, Followtheaccompanyingenginemanualforlubrica-

tionscheduleandinstructionforenginelubrication.

NOTE:Wedo notrecommendtheuseofa pressure

washeror gardenhosetocleanyourunit.Thesemay

causedamageto bearingsor theengine.Theuseof

waterwillresultin shortenedlifeandreduceservice-

ability.

BladeCare f -._

_ ARNING:Whenremovingthe cuttingblade

for sharpening or replacement, protectyour

hands with a pairof heavy gloves or usea heavyrag

to hold the blade.

Periodicallyinspectthebladeadapterforcracks,

especiallyif youstrikea foreignobject.Replacewhen

necessary.Followthe stepsbelowforbladeservice.

1. Disconnectsparkplugwirefromsparkplug.Turn

moweron itssidemakingsurethattheairfilterand

thecarburetorareup.

2. Removetheboltandthe bladebellsupportwhich

holdthebladeand thebladeadaptertotheengine

crankshaft.See Figure5-2.

3. Removebladeandadapterfromthecrankshaft.See

Figure5-2.

4. Thebladecanbe sharpenedwitha fileor on a grind-

ing wheel.Donotattempttosharpenthebladewhile

it isstillon themower.Whensharpeningtheblade,

followtheoriginalangleofgrind.Grindeachcutting

edgeequallytokeepthebladebalanced.

5. Removebladefromtheadapterfortestingbalance.

Balancethebladeona roundshaftscrewdriverto

check.Removemetalfromtheheavysideuntilit

balancesevenly.

_ii ARNING:An unbalancedbladewill cause

excessivevibration whenrotating at high

speeds. It may cause damageto mowerand could

break causing personalinjury.

Figure5-2:Removethebolt,support,andadaptertoaccess

theblade.

6. Lubricatetheenginecrankshaftandtheinnersurface

ofthebladeadapterwithlightoil.Slidetheblade

adapterontotheenginecrankshaft.

7. Placethebladeon theadaptersuchthattheside

oftheblademarked"Bottom"(orwithpartnumber)

facesthegroundwhenthemowerisin theoperating

position.Makesurethatthebladeisalignedand

seatedon thebladeadapterflanges.

8. Placebladebellsupportonthe blade.Alignnotches

on thebladebell supportwith smallholesin blade.

9. Replacehexboltandtightenhexboltto torque:450

in.Ibs.rain.,600 in.Ibs.max.

Toensuresafeoperationofyourmower,periodically

checkthebladeboltforcorrecttorque.

Replacing Rear Flap

1. Toremoverearflap,lift reardoor,andpressflapin on

eithersidetoremovefromhole.SeeFigure5-3.

2. Removeflapfromoppositeholeand replacewith new

flapin theoppositeorderandmannerofremoval.

Figure5-3:Removerearflap.

Off-Season Storage

Thefollowingstepsshouldbetakento prepareyour

lawnmowerforstorage.

• Cleanandlubricatemowerthoroughlyasdescribed

inthe lubricationinstructions.

• Donotusea pressurewasherorgardenhoseto

cleanyourunit.

Refertoenginemanualforcorrectengine

storageinstructions.

Coatmower'scuttingbladewithchassisgreaseto

preventrusting.

Storemowerina dry,cleanarea.Donotstorenext

tocorrosivematerials,suchas fertilizer.

Whenstoringanytypeof powerequipmentin a poorly

ventilatedor metalstorageshed,careshouldbetaken

torust-prooftheequipment.Usinga lightoil or silicone,

coattheequipment,especiallycablesandall moving

partsofyourlawnmowerbeforestorage.

Maintaining

YourLaWn

WARNING

When removing the

cutting blade for

sharpening or replace-

ment, protect your

hands with a pair of

heavy gloves or use a

heavy rag to hold the

blade.

An unbalanced blade

will causeexcessive

vibrationwhen rotat-

ingat high speeds, it

may cause damage

to mower, and could

break causing per-

sonal injury.

i i i_iii _i_'i__ii i/ ii _i_

Forrepairsbeyond

the minoradjustments

listedhere; contact

an authorized service

dealer'

ii ii i _ i i iii i !i_ ii _i

Problem Cause Remedy

Eng=nefalls to start 1. Biadecontroldlsengaged. 1, Engagebladecontrol.

21 sparkplugWiredisconnected. 2, ConnectwiretOsparkplug.

Fue!tankempty0rsta!e!ueL Fil!tankwith C!eanl!reshgaso!inel

Enginenotchoked. & ,Chokeengineasinstructedinthe

I I Operatingyour LawnMower section,

5. Faultysparkp!ug, 5. Clean adjustgap orreplace.

Blockedfuel iinel 61 clean fue!iinel

7 EngineflOoded:. 7 watafewmnutestOrestart butdo

notprime.

Enginerunserratic 1. Sparkplugwireloose.

2. Blockedfuel lineor stalefuel.

3. Ventingascap plugged.

4. Wateror dirt infuel system.

5. Dirtyair cleaner.

6. Carburetorout ofadjustment.

1. Connectandtightensparkplugwire.

2. Cleanfuelline;filltank withclean,

freshgasoline.

3. Clearvent.

4. Drainfueltank. Refillwithfreshfuel.

5. Refertoenginemanual.

6. Refertoenginemanual.

Eng ne overheats 1. Engineoil levellow. 1. Fillcrankcasewith properoil.

2. Airflowrestricted. 2. Removeblowerhousingand clean.

3. Caburetornotadjustedproperly. 3. Refertoenginemanual

Occasional skips 1. Sparkpluggap tooclose. 1. Adjustgap to .030-inch.

(hesitates) at high speed 2. Carburetoridlemixtureadjustment 2. Referto enginemanual.

improperlyset.

Idles poorly 1. Sparkplugfouled,faultyor gaptoo wide. 1. Resetgapto .030-inchor replace

sparkpug.

2 Carburetorimproperlyadjusted 2. Refertoenginemanual.

3. Dirtyair cleaner. 3. Refertoenginemanual•

Excessive Vibration 1. Cuttingbladelooseor unbalanced. 1. Tightenbladeandadapter.Balance

blade.

2. Bentcuttingblade. 2. Seeanauthorizedservicedealer.

Mower will not mulch grass 1 Wetgrass• 1. Donot mowwhengrassiswet wait

untillatertocut.

2. Excessivelyhighgrass. 2. Mowonceatahighcuttingheight,

then mowagainatdesirecJheightor

makeanarrowercurt ngpath.

' 3. Dullblade. 3. Sharpenor replaceblade.

Uneven cut 1. Wheelsnotpositionedcorrectly. 1. Placeallfour wheelsin same

heightposition.

2. Dullblade. 2. Sharpenor replaceblade.

Subject tochangewithout

notificationor obligation,

Images my not reflect your

exact model and are for

refe[ence purposes oniyl

Safety Labels Found On Your Lawn Mower

Model Series 430

I WGSBar _r I

Fief. PartNo. Description

No.

1 747-1161A BladeControlHandle

2 749-1092A UpperHandle

3 747-04080 GrassCatcherFrame

4 749-0928A LowerHandle

5 720-0279 WingNut

6 710-1205 RopeGuide

7 710-1174 CarriageBolt,5/16-18x2

8 664-04027 GrassBag- Yardman

664-04034A _ GrassBag- Gray

9 720-04072 HandKnob

10 731-1506At FrontCover

11 726-0240 CableTie

12 710-0703 CarriageBolt,I/4-20

13 631-04225 RearDischargeDoor

14 736-0504t WaveWasher

15 17032A DeflectorChuteAdaptor

16 732-04090A TorsionSpring- RH

17 734-04215 RearWheel,8 x 1.8,K2 Bar

734-2004A RearWheel,8 x2.125,Zag

734-1987 RearWheel,8x 1.8,Bar

18 731-04150C RearBaffle

19 710-0599 Screw,1/4-20x.500

20 787-01279 Deck- 21"

21 687-02055 HingedMulchPlugAssembly

22 782-5002B FrontBaffle

23 748-04082 BladeAdapter,25ramx2.15

748-0377C BladeAdapter,#6 x2.15

24 742-0741 MulchingBlade

25 710-1257 HexScrew,3/8-24x2.5

26 687-02076A PivotArmAssyRH(7"wheel)

687-02077A* PivotArmAssyLH(7"wheel)

687-02077A PivotArmAssyRH(8"wheel)

687-02076A* PivotArmAssyLH(8"wheel)

27 736-0524B BladeBellSupport

Fief. PartNo. Description

No.

28 787-01290 FrontAdjustmentPlate

29 720-0426 AdjustmentLeverKnob

30 732-0404 SpringLeverAssembly

31 736-0270 BellWasher

32 734-04213 FrontWheel,7 x 1.8,K2 Bar

734-2004A FrontWheel,8 x2.125,Zag

734-1988 FrontWheel,7x 1.8,Bar

33 710-1241 Screw,1/4-15x 1.000

34 746-1130 ControlCable40"

746-1137 ControlCable53"

35 731-04525t EngineShroud

36 731-05642 Trailshield

37 732-0700 TrailshieldWire

38 712-0397 WingNut,1/4-20

39 747-04587 RearDoorPivotRod

40 732-04175 SpringLever

41 687-02071A PivotArmAssembly- RH

687-02070A* PivotArmAssembly- LH

42 710-1652 ABScrew

43 712-04065 FlangeLockNut,3/8-16

44 714-0104 HairpinClip

45 710-0654A TTSeresScrew,3/8-16x 1.0

46 687-02099A Ht.Adj.Assy.FrontLH(7"wheel)

687-02100A* Ht.Adj.Assy.FrontRH(7"wheel)

687-02075A Ht.Adj.Assy.FrontLH(8"wheel)

687-02074A* Ht.Adj.Assy.FrontRH(8"wheel)

47 687-02270 RearHandleBracketAssy.- LH

687-02271" RearHandleBracketAssy.- RH

48 732-1014 TorsionSpring

49 731-04177 SideChute

50 747-0710 HingePin

51 738-0507B ShoulderScrew

52 731-04859t BailCover

53 731-0981At HubCap

t If Equipped

* NotShown

ThisOperatorsManualmaycovera rangeofproductspecificationsforvariousmodels.Characteristicsand features

discussedand/orillustratedinthis manualmaynotbeapplicableto allmodels.

orderrop aOO.,OOt¸

1.,800'800,7310

orvisituson

www,mtdproducts,corn

MANUFACTURER'S LiMiTED WARRANTY FOR

ThelimitedwarrantysetforthbelowisgivenbyMTDLLCwithrespect

tonewmerchandisepurchasedandusedin theUnitedStates,its

possessionsandterritories.

"MTD"warrantsthisproductagainstdefectsinmaterialandworkman-

shipfora periodoftwo (2)yearscommencingonthedateoforiginal

purchaseandwill,at itsoption,repairor replace,freeofcharge,any

partfoundto bedefectiveinmaterialsorworkmanship.Thislimitedwar-

rantyshallonlyapplyifthisproducthasbeenoperatedand maintained

inaccordancewiththeOperator'sManualfurnishedwiththeproduct,

andhasnotbeensubjectto misuse,abuse,commercialuse,neglect,

accident,impropermaintenance,alteration,vandalism,theft,fire,water,

ordamagebecauseofotherperilor naturaldisaster.Damageresulting

fromthe installationor useofanypart,accessoryor attachmentnot

approvedby MTDforusewiththeproduct(s)coveredbythis manual

willvoidyourwarrantyastoanyresultingdamage.

Normalwearpartsarewarrantedto befreefromdefectsinmaterialand

workmanshipfora periodofthirty(30)daysfromthedateof purchase.

Normalwearpartsinclude,butare notlimitedto itemssuchas: batter-

ies,belts,blades,bladeadapters,grassbags,riderdeckwheels,seats,

snowthrowerskidshoes,shaveplates,augerspiralrubberandtires.

HOW TO OBTAINSERVICE: Warrantyservice isavailable,WITH

PROOFOF PURCHASE,throughyour localauthorized service

dealer.Tolocate the dealer in yourarea, check yourYellowPages,

or contact MTDLLCat RO. Box361131,Cleveland,Ohio 44136-

0019,or call 1-800-800-7310or 1-330-220-4683 or log on to our

Website at www.mtdproducts.com.

Thislimitedwarrantydoesnot providecoverageinthefollowingcases:

a. Theengineor componentpartsthereof.Theseitemsmaycarrya

separatemanufacturer'swarranty.Refertoapplicablemanufacturer's

warrantyfortermsandconditions.

b. Logsplitterpumps,valves,andcylindershavea separateoneyear

warranty.

c. Routinemaintenanceitemssuchaslubricants,filters,blade

sharpening,tune-ups,brakeadjustments,clutchadjustments,deck

adjustments,andnormaldeteriorationoftheexteriorfinishdueto

useor exposure.

d. Servicecompletedbysomeoneotherthananauthorizedservice

dealer.

e. MTDdoesnotextendanywarrantyforproductssoldor exported

outsideoftheUnitedStates,its possessionsandterritories,except

thosesoldthroughMTD'sauthorizedchannelsofexportdistribution.

f. ReplacementpartsthatarenotgenuineMTDparts.

g. Transportationchargesandservicecalls.

Noimpliedwarranty,includingany impliedwarranty of mer-

chantabilityof fitness for a particular purpose,applies after the

applicable periodof expresswritten warranty aboveasto the

partsasidentified.Nootherexpresswarranty, whetherwrittenor

oral, exceptas mentioned above,givenby anypersonor entity,

includinga dealeror retailer, withrespect to any product,shall

bindMTD.Duringthe periodof the warranty,the exclusiveremedy

isrepairor replacementof the productas setforth above.

Theprovisionsasset forth inthis warrantyprovidethesoleand

exclusiveremedy arising from the sale.MTDshallnot be liable

for incidentalor consequentiallossor damageincluding,without

limitation, expensesincurredfor substituteor replacementlawn

careservicesor for rentalexpensesto temporarily replacea

warranted product.

Somestatesdo notallowtheexclusionor limitationofincidentalor

consequentialdamages,or limitationsonhowlongan impliedwarranty

lasts,sotheaboveexclusionsor limitationsmaynotapplytoyou.

Innoeventshallrecoveryofanykindbegreaterthantheamountofthe

purchasepriceof theproductsold.Alterationof safetyfeaturesof

the productshallvoid this warranty. Youassumetheriskandliability

forloss,damage,or injurytoyouandyourpropertyand/ortoothersand

theirpropertyarisingoutofthemisuseor inabilitytousethe product.

Thislimitedwarrantyshallnotextendtoanyoneotherthantheoriginal

purchaserorto thepersonforwhomitwas purchasedasa gift.

HOWSTATELAWRELATESTOTHISWARRANTY:This limited

warrantygivesyouspecificlegalrights,and youmayalsohaveother

rightswhichvaryfromstatetostate.

IMPORTANT:OwnermustpresentOriginalProofof Purchasetoobtain

warrantycoverage.

IViTDLLC, P.O. BOX 361131 CLEVELAND, OHiO 44136-0019; Phone: 1=800=800-7310, 1-330=220-4683

MTD 11B-439Q755 User manual

Brand: MTD

Model: 11B-439Q755

Category: Lawnmowers

Type: User manual

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MTD 11B-439Q755 User manual

MTD 11B-439Q755 User manual

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