MTD 11B 439Q755 User Manual LAWN MOWER Manuals And Guides 1108108L

User Manual: MTD 11B-439Q755 11B-439Q755 MTD LAWN MOWER - Manuals and Guides View the owners manual for your MTD LAWN MOWER #11B439Q755. Home:Lawn & Garden Parts:MTD Parts:MTD LAWN MOWER Manual

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

OF AOAL

21=inch Rotary Mower- Model Series 430

iMPORTANT

READ SAFETY RULES AND iNSTRUCTiONS CAREFULLY BEFORE OPERATION

Warning: Thisunit is equippedwithan internalcombustionengineandshouldnot beusedon or nearany unimprovedforest-covered,brush-

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

If a sparkarresteris used,it shouldbemaintainedineffectiveworkingorderby the operator.In theStateof Californiathe aboveis requiredbylaw

(Section4442of the CaliforniaPublicResourcesCode).Otherstatesmayhavesimilarlaws.Federallawsapplyonfederallands.A sparkarrester

for the muffleris availablethroughyour nearestengineauthorizedservicedealeror contactthe servicedepartment,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

MTDLLCreservesthe rightto changeproductspecifications,designs,andequipmentwithoutnoticeandwithoutincurringobligation.

Finding and Recording Model Number

BEFOREYOU BEGINTO ASSEMBLEYOURNEW

EQUIPMENT,pleaselocate the model plateon the

equipmentand copythe informationto the sample

model plateprovidedto the right.Youcanlocate the

modelplate bystanding at the operatingpositionand

lookingdown at the rearof the deck. This information

will benecessaryto usethe manufacturer'sweb

site, to obtainassistancefrom the CustomerSup-

port Department,or when contactingan authorized

service dealer.

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.

If you havedifficulty assemblingthis productor have anyquestionsregardingthe controls,operation,or

maintenanceof this unit,youcan seekhelp fromthe experts.Choosefrom the optionsbelow:

= Visitwww.mtdproducts.com

• Call a CustomerSupport Representativeat 1-800-800-7310.

• The engine manufacturer is responsiblefor all engine-relatedissueswith regardsto performance,power-

rating,specifications,warrantyand service. Pleasereferto the enginemanufacturer'sOwner's/Operator's

Manual,packedseparatelywith your unit,for moreinformation.

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c_ 0

c_ _,_

c'_ _

!i!_i!il< Sight and hold this levelwith a verticaltree...

_ or a corner of a building...

I__ or a fence post

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-- fir_e (repros

_ _ er_ts a 15o

15°

WARNING

This symbolpoints

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

instructionsmay result

i in personalinjury.When

you see this symbol.

i HEED ITS WARNING!

i Your Responsibility

Restrictthe use

of this power machine

to personswho read.

i understand

andfollow the warnings

and instructions

I. =nthis manual

and on the machine.

WARNING: Engine Exhaust,some of its constituents, and certain vehicle compo-

nentscontain or emit chemicals known to State of Californiato cause cancer and

birth defects or other reproductiveharm.

DANGER: This machine was built to be operatedaccordingto the rulesfor safe operation in this

manual.As with any type of powerequipment, carelessnessor error on the part of the operator

can result in serious injury.This machine is capable of amputating handsand feet and throwing

objects. Failure to observe the following safety instructions could result in serious injury or death.

Children

Tragicaccidentscanoccur ifoperatorisnotalert to presence

of children.Childrenare oftenattractedto mowerand mowing

activity.Theydonot understandthe dangers.Neverassume

thatchildrenwill remainwhereyou lastsawthem.

1. Keepchildrenoutof the mowingareaand underwatchful

careof a responsibleadultotherthanthe operator.

2. Bealert andturn moweroffif a childentersthearea.

3. Beforeand whilemovingbackwards,look behindanddown

forsmallchildren.

4. Useextremecare whenapproachingblind corners,

doorways,shrubs,trees,or otherobjectsthat mayobscure

yourvisionof a child whomayrun intothe mower.

5. Keepchildrenawayfromhotor runningengines.Theycan

sufferburnsfroma hotmuffler.

6. Neverallowchildrenunder14yearsoldto operatea power

mower.Children14yearsoldand overshouldreadand

understandoperationinstructionsandsafetyrulesinthis

manualandshouldbetrainedandsupervisedbya parent.

General Operation

1. Readthis operator'smanualcarefullyin its entiretybefore

attemptingto assemblethis machine.Read,understand,

andfollowall instructionsonthe machineandin the

manual(s)beforeoperation.Becompletelyfamiliarwith

thecontrols andthe properuseof this machinebefore

operatingit. Keepthis manualin a safeplaceforfuture

and regularreferenceand for orderingreplacementparts.

2. Thismachineis a precisionpieceof powerequipment,

nota plaything.Therefore,exerciseextremecautionat all

times.Yourunithas beendesignedto performonejob: to

mowgrass. Do notuseit for any otherpurpose.

3. Neverallow childrenunder 14yearsold to operatethis

machine.Children14yearsold and overshould readand

understandthe instructionsinthis manualandshould

betrainedand supervisedby a parent.Onlyresponsible

individualswho arefamiliar withthese rulesof safe

operationshould beallowedto usethis machine.

4. Thoroughlyinspectthe areawherethe equipmentisto

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

andotherforeignobjects, whichcouldbetrippedover or

pickedup andthrownbythe blade.Thrownobjects can

causeseriouspersonalinjury.Planyour mowingpattern

to avoiddischargeof materialtowardroads,sidewalks,

bystandersandthe like.Also,avoiddischargingmaterial

againsta wall or obstruction,whichmaycausedischarged

materialto ricochetback towardthe operator.

5. Tohelpavoidbladecontact ora thrownobjectinjury,

stay inoperatorzone behindhandlesand keepchildren,

bystanders,helpersand petsat least 75feetfrom mower

whileit is inoperation.Stop machineifanyoneenters

area.

6. Alwayswearsafetyglassesor safetygogglesduringopera-

tion andwhile performingan adjustmentor repairto protect

youreyes.Thrownobjectswhich ricochetcan causeserious

injuryto the eyes.

7. Wearsturdy,rough-soledworkshoesand close-fitting

slacksandshirts. Shirtsand pantsthatcoverthe arms and

legs andsteel-toedshoesare recommended.Neveroperate

this machinein barefeet,sandals,slipperyor light-weight

(e.g.canvas)shoes.

8. Do notputhandsorfeet nearrotatingpartsor undercutting

deck.Contactwithblade can amputatehandsandfeet.

9. A missingor damageddischargecovercan cause blade

contactor thrownobject injuries.

10.Manyinjuriesoccuras a resultof the mowerbeing pulled

overthefoot duringa fall causedby slippingor tripping.

Do nothold onto the mowerifyou are falling;releasethe

handleimmediately.

11.Neverpullthe mowerback towardyouwhileyouare

walking.If youmust backthe mowerawayfroma wall or

obstructionfirstlook downand behindto avoidtrippingand

thenfollowthese steps:

a. Stepback frommowerto fully extendyourarms.

b. Be sure youare wellbalancedwithsurefooting.

c. Pullthe mowerbackslowly,no morethan halfway

towardyou.

d. Repeatthesestepsas needed.

12.Do notoperatethe mowerwhileunderthe influenceof

alcoholordrugs.

13.Do notengagetheself-propelledmechanismon unitsso

equippedwhilestartingengine.

14.The bladecontrolhandleis a safetydevice.Neverattempt

to bypassits operation.Doingso makesthe safetydevice

inoperativeandmayresult in personalinjurythrough

contactwiththe rotatingblade.The bladecontrolhandle

mustoperateeasily in bothdirectionsandautomatically

returnto the disengagedpositionwhenreleased.

15.Neveroperatethe mowerinwet grass.Alwaysbesure of

yourfooting. A slipand fall cancauseseriouspersonal

injury.If youfeel youare losing yourfooting,releasethe

bladecontrolhandleimmediatelyand the bladewillstop

rotatingwithinthreeseconds.

16.Mowonly in daylightor good artificiallight. Walk,neverrun.

17.Stopthe bladewhencrossinggraveldrives, walksor roads.

18.If the equipmentshouldstartto vibrateabnormally,stopthe

engineand checkimmediatelyfor the cause.Vibrationis

generallya warningof trouble.

19.Shutthe engineoff and waituntil the bladecomesto a

completestopbeforeremovingthe grasscatcherorunclog-

gingthe chute.

Thecutting bladecontinuesto rotatefora few secondsafter

the engineisshutoff. Neverplaceany partof the body in

the bladeareauntil youare surethe bladehasstopped

rotating.

20.Neveroperatemowerwithoutpropertrailshield,discharge

cover,grasscatcher,bladecontrolhandleorothersafety

protectivedevicesin placeand working.Neveroperate

mowerwith damagedsafetydevices.Failureto do so can

result in personalinjury.

21.Mufflerand enginebecomehotandcan causea burn.Do

nottouch.

22.Only use partsandaccessoriesmadeforthis machineby

manufacturer.Failureto do so can resultin personalinjury.

23. Ifsituationsoccur whichare notcoveredinthis manual,

usecare and goodjudgment.Contactyour dealerfor

assistance.

Slope Operation

Slopesare a majorfactor relatedto slip andfall accidents,which

canresult insevereinjury.Operationonslopesrequiresextra

caution.If youfeeluneasyona slope,do notmowit. Foryour

safety,use theslopegaugeincludedas part ofthis manualto

measureslopesbeforeoperatingthis uniton a slopedorhilly

area.Ifthe slopeis greaterthan 15degrees,donotmow it.

Do:

1. Mow acrossthe faceof slopes;neverupand down.Exercise

extremecautionwhenchangingdirectiononslopes.

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

which cancauseyouto slipor trip. Tallgrasscan hide

obstacles.

3. Alwaysbe sure of yourfooting.A slipand fallcan cause

serious personalinjury.If youfeel youare losingyour

balance,releasethe bladecontrol handleimmediately,and

the bladewill stoprotatingwithin3 seconds.

Do Not:

1. Do notmow neardrop-offs,ditchesor embankments,you

could loseyourfootingor balance.

2. Do notmow slopesgreaterthan 15degreesas shownon

the slopegauge.

3. Do notmow onwet grass. Unstablefootingcouldcause

slipping.

Service

Safe Handling Of Gasoline:

1. Toavoidpersonalinjuryor propertydamageuse extreme

care in handlinggasoline.Gasolineisextremelyflammable

and thevaporsare explosive.Seriouspersonalinjury can

occur whengasolineisspilled onyourselfor your clothes,

which canignite.Washyourskin andchangeclothes

immediately.

2. Use onlyan approvedgasolinecontainer.

3. Neverfill containersinsidea vehicleor on a truck ortrailer

bed witha plasticliner.Alwaysplacecontainersonthe

groundawayfromyourvehiclebeforefilling.

4. Removegas-poweredequipmentfromthe truckor trailer

and refueliton theground.If this isnot possible,then refuel

suchequipmenton atrailer witha portablecontainer,rather

than froma gasolinedispensernozzle.

5. Keepthe nozzlein contactwiththe rimof the fueltankor

containeropeningat all times untilfueling is complete.Do

not usea nozzlelock-opendevice.

6. Extinguishallcigarettes,cigars, pipesand othersources

of ignition.

7. Neverfuel machineindoorbecauseflammablevaporswill

accumulatein thearea.

8. Neverremovegascap oradd fuel whileengineis hot or

running. Allowengineto cool at least two minutesbefore

refueling.

9. Neveroverfill fueltank. Filltankto nomorethan Y2inch

below bottomof filler neckto providefor fuel expansion.

10.Replacegasolinecapandtightensecurely.

11.If gasolineis spilled,wipe itoff theengineand equipment.

Moveunit to anotherarea.Wait 5 minutesbeforestarting

engine.

12.Neverstorethe machineorfuel containernearan open

flame,sparkor pilot light as on a water heater,space

heater,furnace,clothesdryeror othergasappliances.

13.Toreducefire hazard,keepmowerfree of grass, leaves,

orother debrisbuild-up.Cleanup oil orfuel spillageand

removeanyfuel soakeddebris.

14.Allowa mowerto cool at least5 minutesbeforestoring.

GeneralService:

1. Neverrun an engineindoorsorin a poorlyventilatedarea.

Engineexhaustcontainscarbonmonoxide,anodorless

anddeadlygas.

2. Beforecleaning,repairing,or inspecting,makecertainthe

bladeandall movingparts havestopped.Disconnectthe

sparkplugwire andgroundagainstthe engineto prevent

unintendedstarting.

3. Checkthe bladeandenginemountingbolts atfrequent

intervalsfor propertightness.Also,visuallyinspectblade

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

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

listedin this manual."Useof partswhichdo notmeetthe

originalequipmentspecificationsmayleadto improper

performanceand compromisesafety!"

4. Mowerbladesare sharpandcan cut.Wrapthebladeor

weargloves,anduseextracautionwhenservicingthem.

5. Keepallnuts,bolts,andscrewstightto be surethe equip-

mentis insafeworkingcondition.

6. Nevertamperwithsafetydevices.Checktheir proper

operationregularly.

7. Afterstrikinga foreignobject,stopthe engine,discon-

nectthesparkplugwire andgroundagainsttheengine.

Thoroughlyinspectthe mowerfor any damage.Repairthe

damagebeforestartingandoperatingthe mower.

8. Neverattemptto makea wheelor cuttingheightadjust-

mentwhilethe engineisrunning.

9. Grasscatchercomponents,dischargecover,andtrail

shield aresubjectto wear anddamagewhichcould

exposemovingparts or allowobjectsto be thrown.For

safetyprotection,frequentlycheckcomponentsand re-

placeimmediatelywithoriginal equipmentmanufacturer's

(O.E.M.)partsonly, listedin this manual."Use of parts

whichdo notmeetthe originalequipmentspecifications

mayleadto improperperformanceand compromise

safety!"

10.Do notchangetheenginegovernorsettingor over-revthe

engine.Thegovernorcontrolsthe maximumsafeoperating

speedof the engine.

11.Maintainor replacesafetylabels,as necessary.

12.Observeproperdisposallawsand regulations.Improper

disposalof fluidsand materialscanharmtheenvironment.

Practices

WARNING

This symbol points

out importantsafety

instructions, which if

not followed,could

endangerthe personal

safety and/or property

of yourselfand others.

Readand followall

instructions inthis man-

ual before attemptingto

operate this machine.

Failureto comply with

these instructionsmay

result in personal injury.

When you see this

symbol.

HEED iT'S WARNING!

Your Responsibility

Restrictthe use

of this power machine

to personswho read.

understand

and followthe warnings

and instructions

in this manua

and on the 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 rangeof product

specificationsfor variousmodels.Characteristicsandfea-

turesdiscussedand/orillustratedinthis manualmaynot

beapplicableto all models.MTDLLCreservesthe right

to changeproductspecifications,designs,andequipment

withoutnoticeandwithoutincurringobligation.

1. Removeanypackingmaterialwhichmaybebetween

upperandlowerhandles.

a. Pullupand backon upperhandleas shownin

Figure3-1.Makecertainthe lowerhandleis seated

securelyintothe handlemountingbrackets.

b. Tightenstarknobssecuringupperhandleto lower

handle,Figure3-1.Makesurethateachcarriage

bolt is seatedproperlyin the handle.

2. Locatethe hairpinclipon the weldpinon eachside

lowerhandle.

a. Removehairpinclipfromthis hole.Usinga pair

of pliers,inserthairpinclip into the holeon pin

closestto the bracket,Figure3-2. Repeaton other

side.

b. Inserta carriagebolt fromthe hardwarepackinto

the upperholeonthe handlemountingbracket,

Figure3-2.Securewithone plasticwing nut,also

includedthe hardwarepack.Repeaton otherside.

The ropeguideis attachedto the right sideof the

upperhandle.Loosenthe wingnut whichsecuresthe

ropeguide,Figure3-3.

a. Holdbladecontrolhandleagainstupperhandle.

b. Pullstarterropeout of the engine.Releaseblade

controlhandle.

c. Slipstarterropeinto ropeguide.

d. Tightenwingnut.

Insertpostoncable tiesintoholes providedon the

lowerhandle.Pullcabletie tightandtrimexcess,

Figure3-4.

Figure3-3: Pullrecoilstarterthroughropeguide andtighten. Figure3-4:Securecableto handleusingcableties.

5. f

Followstepsbelowto assemblethe grasscatcher

(if needed).Makecertainbagis turnedrightside

out beforeassembling(warninglabelwill beon the

outside).

a. Placebagoverframesothat itsblackplasticside

is at the bottom.

b. Slip plasticchannelof grassbagoverhooksonthe

frame,Figure3-5.All the plasticchannelsexcept

centertop of bagattachfromoutsideof bag.

c. Attachcentertop of bagfrominsideof bag.

6. Followstepsbelowto attachthe grasscatcher:

a. Liftreardischargedoor.

b. Placegrasscatcheron thepivotrod. Letgo

of dischargedoorsothat it restson thegrass

catcher,Figure3-6.

7. Yourmoweris shippedas a mulcher.Toconvertto

side discharge,makesuregrasscatcheris off of the

unit andreardischargedooris closed.

a. On the sideof the mower,liftthe mulchingplug.

b. Slidechutehooksunderhingepinon mulching

plugassembly.Lowerside mulchingplug,Figure

3-7.Do not removesidemulchingplugat anytime,

evenwhenyou arenot mulching.

_ WARNING:Neveroperate mowerunless the

hookson the grass catcherare firmly seated

on the pivotrod and the rear dischargedoor rests

firmly against top of the grass catcher.

Adjustments

An adjustingplateandthumbleverat each wheel

providescuttingheightadjustment.

1. Depresslevertowardswheel.

2. Moveitto anyone of the positionsfordesiredcutting

height,Figure3-8. Makesurethateachwheelis

positionedat the sameheight.

3. Releaselevertowardsmowerdeck.

Figure3-5:Assemblethegrasscatcher.

Figure3-6:Attachthegrasscatcher.

Fig Figure3-7:Liftmulchplugandinstallsidedischargechute.

CUTTING HEIGHT:

All wheels must be

positioned at the same

height.

Your LaWn

Mowe

:WARN ING

The blade control

is a safety device.

DO NOT bypass its

operations.

Use extreme care

when handling

gasoline. Gasoline is

extremely flammable

and the vapors are

explosive. Never fuel

i the machine indoors

i or whilethe engine

is hotor running.

Extinguishcigarettes,

cigars, pipes and

other sources of

ignition.

i Keep handsand feet

away fromthechute

iareaon cuttingdeck.

Referto warning

labelon theunit.

Know Your Lawn Mower

BladeControl

RecoilStarter_

GrassCatcher CuttingHeightAdjustment

Levers(frontandrear,for

eachwheel)

MulchPlug

SideDischargeChute_

Figure4-1:The maincomponentsonthe mower.(Model435Ashown)

Nowthatyou havesetupyour lawnmower,itsimportantto

Blade Control

Thebladecontrolis attachedto the upperhandleof

the mower.Depressand squeezeit againstthe upper

handleto operatethe unit. Releaseit to stopengineand

blade.

,_ WARNING: Thisbladecontrolisa safety

device. Neverattempt to bypass its opera-

lions.

Cutting Height Adjustment Levers

Oneadjustmentleveris locatedat eachwheelandis

usedto adjustthe cuttingheight.All fourwheelsmust

bepositionedat the sameheightto ensurea uniform

cut.

Mulch Plug

Themulchplugis usedonly for mulchingpurposes.

Insteadof collectingthe grassclippingsina grass

catcher,somemowermodelshavethe optionof

recirculatingthe clippingsbackto the lawn.Thisis

calledmulching.

becomeacquaintedwithitscontrolsandfeatures.

Recoil Starter

The recoilstarteris attachedto the rightupperhandle.

Standbehindthe unitand pullthe recoilstarterropeto

startthe unit.

Gas and Oil Fill-Up

Referto the enginemanualfor instructions.

1. Checkoillevelandaddoil if necessary.Followengine

manualfor this.

2. Servicethe enginewithgasolineas instructedinthe

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

run engineindoorsor in enclosed,poorly ventilated

areas. Engine exhaust contains carbon monoxide, an

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

looseclothing awayfrom any moving partson engine

and lawnmower.

Follow the set of instructionspertainingto your unit.

Referto engine manual for helpwith the engine.

Briggs & Stratton/Tecumseh Engine:

1. Pushprimerthreetimes.Waitabouttwoseconds

betweeneachpush,Figure4-2. In temperature

around550F or below,primefive times.Do not prime

to restarta warmengine.

2. Standingbehindthe mower,squeezethe bladecontrol

againstupperhandle,Figure4-2.

3. Holdingthesetwo handlestogetherfirmly,grasp recoil

starterhandleand pullropeout witha rapid,continu-

ous,full arm stroke,Figure4-2. Keepinga firmgripon

the starterhandle,letthe roperewindslowly.Repeat

until enginecranks.Letthe roperewindeachtime

slowly.

Honda Engine:

1. Placethe fuel valveleverfoundonthe left sideof the

engineintothe ON (OPEN)position,Figure4-3.

2. Movethechokeleverall the waybackwardintothe

chokeposition.

3. Standingbehindthe mower,squeezethe bladecontrol

againstupperhandle,Figure4-3.The chokewill now

beginto slowlyreturnto the off chokepositionafter

activatingthe bladecontrol.Therefore,quicklymove

onto stepfour below.

4. Holdingthesetwo handlestogetherfirmly,grasp recoil

starterhandleand pullropeout witha rapid,continu-

ous,full arm stroke,Figure4-3. Keepinga firmgripon

the starterhandlelet the roperewindslowly.Repeat

until enginecranks.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

any damage,and repairdamage before restarting

and operating. Extensivevibration of mower during

operation is an indicationof damage.The unit

should be promptlyinspectedand repaired.

Stopping Engine

1. Releasebladecontrolto stoptheengineand blade.

2. Disconnectsparkplugwirefromsparkplugand

groundagainstthe engine.

Using YourLawn Mower

Besurelawnis clearof stones,sticks,wire,or other

objectswhichcoulddamagelawnmowerorengine.

Such objectscouldbe accidentlythrownby the mowerin

Using as IVlulcher

Formulchinggrass,removethe grasscatcherandside

dischargechutefromthe mower.Foreffectivemulching,

do notcutwetgrass.If the grasshasbeenallowedto

growin excessof fourinches,mulchingis not recom-

mended.Usethe grasscatcherto bagclippingsinstead.

UsingGrassCatcher

Youcan usethe grasscatcherto collectclippingswhile

youareoperatingthe mower.Referto setupsectionfor

instructionson attachingthe grasscatcher.

Your Lawn

WARNING

Theoperationof any lawn

mowercan result inforeign

objectsbeing thrown into

the eyes, which can damage

your eyes severely.Always

wear safety glasseswhile

operatingthe mower or

while performingany

adjustments orrepairs on it.

Be sure no oneother than

the operator is standing

nearthe lawn mower while

startingengineor operating

mower. Neverrun engine

indoors or in enclosed,

poorlyventilatedareas.

Engineexhaust contains

carbonmonoxide, an

odorless and deadly gas.

Keephands, feet, hair and

loose clothingawayfrom

any moving partson engine

and lawn mower.

Neveroperate yourmower

withouteither the rear door

or the entiregrass catcher

assemblyfirmly secured.

Your Lawn

WARNING

Alwaysstop engine,

disconnect spark

plug, and ground

against engine before

performingany type o!

maintenance on your

machine.

Never tip themower

more than 900in

anyd rect onand

notleavethemower

tipped for any length

of time: Oil can drain

into the upper part of

startingproblem:

pressurewasher or

garden hoseto clean

your unit. These may

cause damage to beaF

ings; or theenginel The

used water Willresult

Figure5-1:Areasof lubrication.

General Recommendations

• Alwaysobservesafetyruleswhen performing

anymaintenance.

• Thewarrantyon thislawnmowerdoesnot cover

itemsthathavebeensubjectedto operatorabuse

ornegligence.To receivefull valuefromwarranty,

operatormustmaintainthelawn moweras

instructedhere.

• Changingof engine-governedspeedwill void

enginewarranty.

• Alladjustmentsshouldbecheckedat leastonce

eachseason.

• Periodicallycheckallfastenersand makesurethese

aretight.

,_ WARNING:Alwaysstop engine,disconnect

sparkplug,and groundagainst engine

before performingany type of maintenance on your

machine.

Deck Care

Cleanundersideof the mowerdeckaftereachuse to

preventbuild-upof grassclippingsorotherdebris.

1. Disconnectsparkplugwire.Draingasolinefromlawn

mower,or placea pieceof plasticunderthe gas cap.

2. Tip mowersothat it restsonthe housing.Keepthe

sidewiththe air cleanerfacingup. Hold mowerfirmly.

_lb ARNING:Nevertip the mower more than 90°

inany direction and do not leavethe mower

tipped for any lengthof time. Oil can drain intothe

upper partof the engine causing a starting problem.

3. Scrapeand cleanthe undersideof the deckwith a

suitabletool.Do notspraywithwater.

4. Putthe mowerbackonits wheelsonthe ground,if

youhad putplasticunderthe gas capearlier,make

sureto removeit now.

Engine Care

A listof keyenginemaintenancejobs requiredfor good

performanceby the moweris given below.Followthe

accompanyingenginemanualfor adetailedlist and

instructions.

1. Maintainoil levelas instructedin enginemanual.

2. Serviceaircleanerevery25 hoursundernormal

conditions.Cleaneveryfewhoursunderextremely

dustyconditions.Poorengineperformanceand

floodingusuallyindicatesthatthe aircleanershould

beserviced.Toservicethe aircleaner,referto the

enginemanual.

3. Cleansparkplugand resetthegaponce a season.

Sparkplugreplacementis recommendedat the start

of eachmowingseason.Checkenginemanualfor

correctplugtypeand gapspecifications.

4. Cleanengineregularlywitha clothorbrush.Keepthe

coolingsystem(blowerhousingarea)cleanto permit

properaircirculation.Removeall grass,dirt and

combustibledebrisfrommufflerarea.

Lubrication

* Lubricatepivotpointson thebladecontrolat least

oncea seasonwithlightoil. The bladecontrolmust

operatefreelyinboth directions.SeeFigure5-1.

, Lubricatethe wheelsat leastoncea seasonwith

lightoil (ormotoroil). if wheelsareremovedfor any

reason,lubricatesurfaceof the pivotarm andinner

surfaceof thewheelwithlight oil. SeeFigure5-1.

, Lubricatethe torsionspringandpivotpointonthe

reardischargedoorandside mulchplugperiodically

withlightoil to preventrust.SeeFigure5-1.

, Followtheaccompanyingenginemanualfor lubrica-

tion scheduleandinstructionfor enginelubrication.

NOTE:Wedo not recommendthe use of a pressure

washeror gardenhoseto cleanyour unit.Thesemay

causedamageto bearingsor the engine.The useof

waterwill resultin shortenedlife andreduceservice-

ability.

BladeCare f -._

_ARNING:Whenremovingthe cuttingblade

for sharpening or replacement, protectyour

hands with a pairof heavy gloves or use a heavyrag

to hold the blade.

Periodicallyinspectthe bladeadapterfor cracks,

especiallyif youstrikea foreignobject. Replacewhen

necessary.Followthe stepsbelowfor bladeservice.

1. Disconnectsparkplugwirefromsparkplug.Turn

moweron itsside makingsurethatthe airfilterand

the carburetorareup.

2. Removethe boltandthe bladebellsupportwhich

holdthe bladeand the bladeadapterto the engine

crankshaft.See Figure5-2.

3. Removebladeandadapterfromthe crankshaft.See

Figure5-2.

4. The bladecan be sharpenedwitha fileor on a grind-

ing wheel.Do notattemptto sharpenthe bladewhile

it is stillon the mower.Whensharpeningthe blade,

followthe originalangleof grind.Grindeachcutting

edgeequallyto keepthe bladebalanced.

5. Removebladefromthe adapterfor testingbalance.

Balancethe bladeona roundshaftscrewdriverto

check.Removemetalfromthe heavysideuntil it

balancesevenly.

_ii ARNING:An unbalanced bladewill cause

excessivevibration when rotating at high

speeds. It may cause damageto mowerand could

break causing personalinjury.

Figure5-2:Removethebolt,support,andadaptertoaccess

theblade.

6. Lubricatetheenginecrankshaftandthe innersurface

of the bladeadapterwithlightoil. Slidethe blade

adapteronto the enginecrankshaft.

7. Placethe bladeon the adaptersuchthatthe side

of the blademarked"Bottom"(orwithpart number)

facesthe groundwhenthe moweris in theoperating

position.Makesurethatthe bladeis alignedand

seatedon the bladeadapterflanges.

8. Placebladebellsupportonthe blade.Alignnotches

on the bladebell supportwith smallholesin blade.

9. Replacehex boltandtightenhex boltto torque:450

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

Toensuresafeoperationof yourmower,periodically

checkthe bladeboltfor correcttorque.

Replacing Rear Flap

1. To removerearflap,lift reardoor,andpressflap in on

eitherside to removefromhole. SeeFigure5-3.

2. Removeflap fromoppositeholeand replacewith new

flap in theoppositeorderandmannerof removal.

Figure5-3:Removerearflap.

Off-Season Storage

Thefollowingstepsshouldbetakento prepareyour

lawnmowerfor storage.

• Cleanandlubricatemowerthoroughlyas described

inthe lubricationinstructions.

• Do not usea pressurewasherorgardenhoseto

cleanyourunit.

Referto enginemanualforcorrectengine

storageinstructions.

Coatmower'scuttingbladewithchassisgreaseto

preventrusting.

Storemowerina dry,cleanarea. Donot storenext

to corrosivematerials,suchas fertilizer.

Whenstoringanytypeof powerequipmentin a poorly

ventilatedor metalstorageshed,careshouldbetaken

to rust-prooftheequipment.Usinga lightoil or silicone,

coattheequipment,especiallycablesandall moving

partsof yourlawnmowerbeforestorage.

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 cause excessive

vibration when 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_

For repairsbeyond

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 spark plugWiredisconnected. 2, ConnectwiretOspark plug.

Fue!tankempty 0r sta!e!ueL Fil!tankwith C!eanl!resh gaso!inel

Enginenotchoked. & ,Chokeengineas instructedinthe

I I Operatingyour LawnMower section,

5. Faultyspark p!ug, 5. Clean adjustgap orreplace.

Blockedfuel iinel 61 clean fue!iinel

7 EngineflOoded:.7 watafewmnutestOrestart butdo

notprime.

Enginerunserratic 1. Sparkplugwire loose.

2. Blockedfuel lineor stalefuel.

3. Ventingas cap plugged.

4. Wateror dirt infuel system.

5. Dirtyair cleaner.

6. Carburetorout of adjustment.

1. Connectandtightensparkplugwire.

2. Cleanfuel line; fill tank withclean,

freshgasoline.

3. Clearvent.

4. Drainfueltank. Refillwithfresh fuel.

5. Referto enginemanual.

6. Referto enginemanual.

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

2. Airflow restricted. 2. Removeblowerhousingand clean.

3. Ca buretornot adjustedproperly. 3. Referto enginemanual

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

spark p ug.

2 Carburetorimproperlyadjusted 2. Referto enginemanual.

3. Dirtyair cleaner. 3. Referto enginemanual•

Excessive Vibration 1. Cuttingbladelooseor unbalanced. 1. Tighten bladeandadapter.Balance

blade.

2. Bentcutting blade. 2. See anauthorizedservicedealer.

Mower will not mulch grass 1 Wetgrass• 1. Donot mowwhengrass iswet wait

until laterto cut.

2. Excessivelyhighgrass. 2. Mowonce at a highcutting height,

then mowagainat desirecJheight or

makea narrowercurt ngpath.

' 3. Dullblade. 3. Sharpenor replaceblade.

Uneven cut 1. Wheelsnotpositionedcorrectly. 1. Placeallfour wheelsin same

heightposition.

2. Dullblade. 2. Sharpenor replaceblade.

Subject to changewithout

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

IWGSBar _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 ,5/16-18x 2

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 x 2.125,Zag

734-1987 RearWheel,8 x 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 x 2.15

24 742-0741 MulchingBlade

25 710-1257 HexScrew, 3/8-24 x 2.5

26 687-02076A PivotArm AssyRH(7"wheel)

687-02077A* PivotArm AssyLH (7"wheel)

687-02077A PivotArm AssyRH(8" wheel)

687-02076A* PivotArm AssyLH (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 x 2.125,Zag

734-1988 FrontWheel,7 x 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 rangeof productspecificationsfor variousmodels.Characteristicsand features

discussedand/orillustratedinthis manualmaynot beapplicableto allmodels.

orderrop aOO.,OOt¸

1.,800'800,7310

orvisituson

www,mtdproducts,corn

MANUFACTURER'S LiMiTED WARRANTY FOR

The limitedwarrantysetforthbelowisgivenby MTDLLCwithrespect

to newmerchandisepurchasedandusedin the UnitedStates,its

possessionsandterritories.

"MTD"warrantsthisproductagainstdefectsinmaterialandworkman-

shipfor a periodof two (2)yearscommencingonthe date of original

purchaseandwill,at itsoption,repairor replace,freeof charge,any

part foundto bedefectiveinmaterialsorworkmanship.Thislimitedwar-

rantyshallonlyapply if thisproducthasbeenoperatedand maintained

inaccordancewiththe Operator'sManualfurnishedwiththe product,

andhas notbeensubjectto misuse,abuse,commercialuse,neglect,

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

ordamagebecauseof otherperilor naturaldisaster.Damageresulting

fromthe installationor useof any part,accessoryor attachmentnot

approvedby MTDfor use withthe product(s)coveredbythis manual

willvoid yourwarrantyas to any resultingdamage.

Normalwearpartsarewarrantedto befree fromdefectsinmaterialand

workmanshipfor a periodof thirty (30)daysfromthe dateof purchase.

Normalwearpartsinclude,butare notlimitedto itemssuchas: batter-

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

snowthrowerskidshoes,shaveplates,augerspiralrubberandtires.

HOW TO OBTAIN SERVICE: Warranty service is available,WITH

PROOFOF PURCHASE, through your local authorized service

dealer. To locate the dealer in your area, check your Yellow Pages,

or contact MTD LLC at RO. Box 361131,Cleveland, Ohio 44136-

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

Web site at www.mtdproducts.com.

Thislimitedwarrantydoesnot providecoverageinthe followingcases:

a. Theengineor componentpartsthereof.Theseitemsmaycarrya

separatemanufacturer'swarranty.Referto applicablemanufacturer's

warrantyfor termsandconditions.

b. Logsplitterpumps,valves,andcylindershavea separateoneyear

warranty.

c. Routinemaintenanceitemssuchas lubricants,filters,blade

sharpening,tune-ups,brakeadjustments,clutchadjustments,deck

adjustments,andnormaldeteriorationof the exteriorfinishdueto

useor exposure.

d. Servicecompletedby someoneotherthananauthorizedservice

dealer.

e. MTDdoesnot extendanywarrantyfor productssoldor exported

outsideof the UnitedStates,its possessionsandterritories,except

thosesoldthroughMTD'sauthorizedchannelsof exportdistribution.

f. ReplacementpartsthatarenotgenuineMTDparts.

g. Transportationchargesandservicecalls.

No impliedwarranty,includingany impliedwarranty of mer-

chantabilityof fitness for a particular purpose,applies after the

applicable periodof express written warranty above as to the

partsas identified.No otherexpresswarranty, whetherwrittenor

oral, except as mentioned above,givenby any personor entity,

includingadealeror retailer, withrespect to any product,shall

bindMTD.Duringthe periodof the warranty,the exclusiveremedy

is repairor replacementof the productas setforth above.

Theprovisionsas set forth inthis warrantyprovidethe soleand

exclusiveremedy arising from the sale.MTDshallnot be liable

for incidentalor consequentiallossor damage including,without

limitation, expensesincurredfor substituteor replacementlawn

careservicesor for rentalexpensesto temporarily replacea

warranted product.

Somestatesdo notallowthe exclusionor limitationof incidentalor

consequentialdamages,or limitationsonhowlongan impliedwarranty

lasts,sothe aboveexclusionsor limitationsmaynot applyto you.

In noeventshallrecoveryof any kindbegreaterthanthe amountof the

purchasepriceof the productsold.Alterationof safetyfeatures of

the productshallvoid this warranty. Youassumethe riskandliability

for loss,damage,or injuryto you andyourpropertyand/orto othersand

theirpropertyarisingout of the misuseor inabilityto usethe product.

Thislimitedwarrantyshallnot extendto anyoneotherthan theoriginal

purchaserorto the personfor whomitwas purchasedas a gift.

HOWSTATELAWRELATESTOTHIS WARRANTY:This limited

warrantygivesyou specificlegalrights,and youmayalsohaveother

rightswhichvaryfromstateto state.

IMPORTANT:OwnermustpresentOriginalProofof Purchaseto obtain

warrantycoverage.

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

MTD 11B 439Q755 User Manual LAWN MOWER Manuals And Guides 1108108L

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