MTD 11A 439Q755 User Manual LAWN MOWER Manuals And Guides 1107433L

User Manual: MTD 11A-439Q755 11A-439Q755 MTD LAWN MOWER - Manuals and Guides View the owners manual for your MTD LAWN MOWER #11A439Q755. 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

Model435A shown

21=inch Rotary Mower- Model Series 430

IMPORTANT

READ SAFETY RULES AND iNSTRUCTiONS CAREFULLY BEFORE OPERATION

Warning: Thisunit isequippedwithaninternalcombustionengineandshouldnot beusedon or nearany unimprovedforest-covered,brush-

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

If a sparkarresterisused,it shouldbemaintainedineffectiveworkingorderby the operator.In theStateof Californiathe aboveisrequiredbylaw

(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.770-10179G

12/12/2005

This Operator's Manual is an important part of your new lawn mower, it wiil 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

ThisOperatorsManualcoversa rangeof productspecificationsfor variousmodels.Characteristicsandfeaturesdiscussedand/orillustratedinthis manualmaynotbe

applicableto all models.MTDLLC reservesthe rightto changeproductspecifications,designs,and equipmentwithoutnoticeand withoutincurringobligation.

Finding and Recording Model Number

BEFOREASSEMBLINGYOUR NEW EQUIPMENT,please

locatethe model plateon the equipmentandcopy the

information to the sample model plate provided to the right.

Youcan locate the model plate by standing at the operating

position and lookingdown at the rear of the deck. This infor-

mation will be necessaryto use the manufacturer'sweb site,

obtain assistance from the Customer Support Department,or

when contacting an authorizedservice dealer.

Model Number Serial Number

MTD LLC

P. O. BOX 361131

CLEVELAND,OH 44136

330-220-4683

,.wwwmtdpr°ductsc°m 800-800-7310

Customer Support

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

purchased, without first contacting Customer Support.

Ifyou have difficulty assemblingthis product or have any questions regardingthe controls, operation,or maintenanceof this

unit, you can seek help from the experts.Choosefrom the options below:

• Visit www.mtdproducts.com. Click on the Service & Support menu option.

Ser,,q,:° 8 Suppo_':

Product P.egistration

, , , , @i

•Phonea Customer Support Representativeat 1-800-800-7310.

•The engine manufactureris responsible for all engine-related issues with regards to performance,power-rating,specifica-

tions, warranty and service. Pleasereferto the engine manufacturer'sOwner's/Operator's Manual, packed separatelywith

your unit, for moreinformation.

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Sight and hold this levelwith a verticaltree...

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WARNING

This symbolpoints

out importantsafety

instructionswhich, if

notfollowed,could

endangerthe personal

i safetyand/or property

I ofyourselfand others.

Readandfollow all

instructionsinthis

manualbeforeat-

temptingto operate

i this machine. Failure

I to complywiththese

instructionsmay result

i in personalinjury.When

you see this symbol.

i HEED ITS WARNING!

Your Responsibility

Restrictthe use

of this power machine

to personswho read,

_understand

ano followthe warnings

and instructions

inthis manual

and on the machine.

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

nentscontain or emit chemicals knownto State of Californiato cause cancer and

birth defects or other reproductiveharm.

DANGER: This machinewas built to be operated accordingto the rulesfor safe operationin this

manual.As with any type of power equipment,carelessness or error on the part of the operator can

result in serious injury.This machine is capable of amputating hands andfeet andthrowing objects.

Failureto observethe followingsafety instructionscould resultin 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 whenapproachingblindcorners,

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.Be completelyfamiliarwith

thecontrolsandthe properuseof this machinebefore

operatingit. Keepthis manualin a safeplaceforfuture

and regularreferenceand for orderingreplacementparts.

2. Thismachineisa 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

pickedupandthrownbythe blade.Thrownobjects can

causeseriouspersonalinjury.Planyour mowingpattern

to avoiddischargeof materialtowardroads,sidewalks,

bystandersandthe like.Also,avoiddischargingmaterial

againsta wall or obstruction,whichmaycausedischarged

materialto ricochetback towardthe operator.

5. Tohelpavoidbladecontactora 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 ricochetcancauseserious

injuryto the eyes.

7. Wearsturdy,rough-soledworkshoesand close-fitting

slacksandshirts. Shirtsand pantsthatcoverthe armsand

legs andsteel-toedshoesare recommended.Neveroperate

this machinein barefeet,sandals, slipperyor light-weight

(e.g.canvas)shoes.

8. Do notputhands orfeet nearrotatingpartsor undercutting

deck.Contactwithblade can amputatehands andfeet.

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 mowerbacktowardyou whileyouare

walking.If youmust backthe mowerawayfroma wall or

obstructionfirstlook down and 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. Thebladecontrolhandle

mustoperateeasily in bothdirectionsandautomatically

returnto the disengagedpositionwhenreleased.

15.Neveroperatethe mowerinwet grass. Alwaysbesure of

yourfooting. A slipand fall cancauseseriouspersonal

injury.If you feelyou are losingyourfooting,releasethe

bladecontrolhandleimmediatelyand the bladewillstop

rotatingwithinthreeseconds.

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

17.Stopthe bladewhencrossinggraveldrives, walksor roads.

18.If theequipmentshouldstartto vibrateabnormally,stopthe

engineand checkimmediatelyfor the cause.Vibrationis

generallya warningof trouble.

19.Shut theengineoff andwait untilthe bladecomesto a

completestopbefore removingthe grasscatcheror unclog-

ging thechute.

The cuttingbladecontinuesto rotatefor a fewseconds after

the engineis shutoff. Neverplaceany part of the bodyin

the bladearea untilyouare surethe blade hasstopped

rotating.

20. Neveroperatemowerwithoutpropertrail shield,discharge

cover,grass catcher,bladecontrolhandleor othersafety

protectivedevicesin placeand working.Neveroperate

mowerwithdamagedsafetydevices.Failureto do so can

resultin personalinjury.

21. Mufflerandenginebecomehotandcan causea burn.Do

nottouch.

22.Only use parts and accessoriesmadefor this machineby

manufacturer.Failureto do so can result inpersonalinjury.

23. If situationsoccurwhich are notcoveredin this manual,

usecareand goodjudgment.Contactyourdealerfor

assistance.Telephone1-800-800-7310for the name of your

nearestdealer.

Slope Operation

Slopesare a majorfactorrelatedto slipandfallaccidents,which

can resultinsevereinjury.Operationonslopesrequiresextra

caution.If youfeeluneasyon a slope,do notmowit.Foryour

safety,usetheslopegaugeincludedas part of this manualto

measureslopesbeforeoperatingthis unitona slopedor hilly

area.If theslopeis greaterthan 15degrees,do not mowit.

Do:

1. Mowacrossthefaceof slopes;neverup anddown.Exercise

extremecautionwhenchangingdirectiononslopes.

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

can causeyouto slipor trip. Tallgrass canhideobstacles.

3. Alwaysbe sure of yourfooting.A slip andfall cancause

serious personalinjury.If you feelyou are losingyour

balance,releasethe bladecontrolhandleimmediately,and

the bladewill stoprotatingwithin 3 seconds.

Do Not:

1. Donot mowneardrop-offs, ditchesorembankments,you

could loseyour footingorbalance.

2. Donot mowslopesgreaterthan 15degreesasshownon

the slopegauge.

3. Donot mowon wetgrass. Unstablefootingcouldcause

slipping.

Service

Safe HandlingOf Gasoline:

1. To avoidpersonalinjury orpropertydamage useextreme

care inhandlinggasoline.Gasolineisextremelyflammable

and thevaporsare explosive.Seriouspersonalinjurycan

occur whengasolineisspilled onyourselforyour clothes,

which canignite.

2. Wash yourskin andchangeclothesimmediately.

3. Useonly an approvedgasolinecontainer.

4. Neverfill containersinsidea vehicle oron a truckor trailer

bedwitha plasticliner.Alwaysplacecontainersonthe

groundawayfromyourvehiclebeforefilling.

5. Removegas-poweredequipmentfromthe truck ortrailer

and refuelit on the ground.If this is notpossible,then refuel

suchequipmentona trailerwitha portablecontainer,rather

than froma gasoline dispensernozzle.

6. Keepthe nozzlein contactwiththe rimof thefueltank or

container openingat all timesuntil fuelingis complete.Do

notuse a nozzlelock-opendevice.

7. Extinguishallcigarettes,cigars, pipesand othersources

of ignition.

8. Neverfuel machineindoorbecauseflammablevaporswill

accumulatein thearea.

9. Neverremovegascap oradd fuel whileengineis hot or

running. Allowengineto cool at least two minutesbefore

refueling.

10.Neveroverfill fueltank. Filltankto no morethan Y2inch

below bottomof filler neckto providefor fuel expansion.

11.Replacegasolinecapandtightensecurely.

12.If gasolineis spilled,wipe itoff theengineand equipment.

Moveunitto anotherarea.Wait 5 minutesbeforestarting

engine.

13.Neverstorethe machineorfuel containernearan open

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

heater,furnace,clothesdryeror othergas appliances.

14.Toreducefire hazard,keepmowerfree of grass, leaves,

orother debrisbuild-up.Clean upoil orfuelspillageand

removeanyfuel soakeddebris.

15.Allowa mowerto cool at least5 minutesbeforestoring.

GeneralService:

1. Neverrun anengineindoorsorin a poorlyventilatedarea.

Engineexhaustcontainscarbonmonoxide,anodorlessand

deadlygas.

2. Beforecleaning,repairing,or inspecting,makecertainthe

bladeandall movingparts havestopped.Disconnectthe

sparkplugwire andgroundagainstthe engineto prevent

unintendedstarting.

3. Checkthe bladeandenginemountingboltsatfrequent

intervalsfor propertightness.Also,visuallyinspectbladefor

damage(e.g.,bent,cracked,worn)Replacebladewiththe

originalequipmentmanufacture's(O.E.M.)bladeonly,listed

inthis manual."Useof partswhichdo notmeetthe original

equipmentspecificationsmayleadto improperperformance

andcompromisesafety!"

4. Mowerbladesare sharpandcan cut.Wrapthebladeor wear

gloves,anduseextracautionwhenservicingthem.

5. Keepallnuts,bolts,andscrewstightto be surethe equip-

mentis insafeworkingcondition.

6. Nevertamperwithsafetydevices.Checktheir properopera-

tionregularly.

7. Afterstrikinga foreignobject,stopthe engine,discon-

nectthesparkplugwire andgroundagainsttheengine.

Thoroughlyinspectthe mowerfor any damage.Repairthe

damagebeforestartingandoperatingthe mower.

8. Neverattemptto makea wheelor cuttingheightadjustment

whiletheengineis running.

9. Grasscatchercomponents,dischargecover,andtrail

shield aresubjectto wear anddamagewhichcould expose

movingparts or allowobjectsto be thrown.Forsafety

protection,frequentlycheckcomponentsandreplaceim-

mediatelywithoriginal equipmentmanufacturer's(O.E.M.)

parts only,listed inthis manual."Useof parts which do

notmeetthe originalequipmentspecificationsmayleadto

improperperformanceandcompromisesafety!"

10.Do notchangetheenginegovernorsettingor over-revthe

engine.Thegovernorcontrolsthe maximumsafeoperating

speedof the engine.

11.Maintainor replacesafetylabels,as necessary.

12.Observeproperdisposallawsand regulations.Improper

disposalof fluidsand materialscan harmtheenvironment.

Operation

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 attempting to

operate this machine.

Failureto comply with

these instructionsmay

result in personal injury.

When you see this

symbol.

HEED IT'S WARNING!

YourResponsibility

Restrictthe use

of this power machine

to personswho read.

understand

and followthe warnings

and instructions

in this manua

and on the machine.

Standbehindthe mower

asif you weregoingto

operateit. Yourright hand

icorrespondsto the right

sideofthe mower;your

left handcorrespondsto

the leftsideof the mower.

Makesureto routecable

outsidethe lowerhandle.

Donot crimpcablewhile

liftingthe handleup.

iI[vlPORTANT

iThis unit isshippedwith-

out gasoline oroil inthe

engine.Fillup gasoline

and oUas instructedin

the accompanying engine

manual BEFOREoperat-

ingyour mower.

Figure3-1: Unfoldhandleandtightenhardware.

WingNuts(2)

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 intothe 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.Pull cabletie tightandtrimexcess,

Figure3-4.

\,\

Figure3-3:Pullrecoilstarterthroughropeguideandtighten.

Figure3-4:Securecabletohandleusingcableties.

5. f--

Followstepsbelowto assemblethe grasscatcher

(if needed).Makecertainbagis turnedrightside

out beforeassembling(warninglabelwill beonthe

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 pivot rod and the rear discharge door rests

firmly against top of the grass catcher.

Adjustments

An adjustingplateandthumbleverat each wheel

providescuttingheightadjustment.

Figure3-5:Assemblethegrasscatcher.

1. Depresslevertowardswheel.

2. Moveitto anyone of the positionsfordesiredcutting

height,Figure3-8. Makesurethateachwheelis

positionedat the sameheight.

3. Releaselevertowardsmowerdeck.

Figure3-6:Attachthegrasscatcher.

Figure3-8: Useadjustmentleversto changeheight.

Figure3-7:Liftmulchplugandinstallsidedischargechute.

Setupand

ustment

Never operate

mowerw thoutthe

mulching plug, the

grass catcher, or

the discharge chute

properly insialledl

CUTTING HEIGHT

_Jlwheelsmustbe

positionedatthesame

height,

i_iii_iI_ iiiiii_ii__ i_: i_

iThebladecontrolis a

isafetydevice.DO NOT

i bypass its operations.

iUse extremecarewhen

handling gasoline.

Gasolineis extremely

flammable andthe vapors

iare explosive.Neverfuel

the machineindoorsor

iwhile the engineis hot

or running.Extinguish

c=garettes,c=gars,p=pes

i and othersources of

iignition,

i Keephands and feet

awayfrom the chutearea

il on cuttingdeck. Referto

warninglabelon the unit.

Know Your Lawn Mower

_=======BladeControl

RecoilStarter======__

GrassCatcher======_ CuttingHeightAdjustment

Levers(frontandrear,for

eachwheel)

MulchPlug

SideDischargeChute

Figure4-1:The maincomponentson the 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.

,_b WARNING:This bladecontrolis a safety

device. Neverattempt to bypass its opera-

tions.

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.This is

calledmulching.

becomeaquaintedwith itscontrolsandfeatures.

Recoil Starter

The recoilstarteris attachedto the rightupperhandle.

Standbehindthe unitand pullthe recoilstarterropeto

startthe unit.

Gas and Oil Fill-Up

Referto the enginemanual for instructions.

1. Checkoillevelandaddoil if necessary.Followengine

manualfor this.

2. Servicethe enginewithgasolineas instructedinthe

enginemanual.

,_i WARNING:Useextreme when

care handling

gasoline. Gasoline is extremely flammable

and the vapors are explosive. Neverfuel the machine

indoorsor while the engine is hot or running. Extin-

guish cigarettes, cigars, pipes andother sources of

ignition.

w w

Starting Engine

,_ WARNING:Besureno one otherthan the

operatorisstandingnear the lawnmower

whilestartingengineor operating mower.Never

run engineindoorsor in enclosed,poorly ventilated

areas.Engine exhaustcontainscarbon monoxide, an

odorlessand deadly gas. Keephands,feet, hair and

looseclothing awayfrom any movingpartson engine

and lawnmower.

Follow the set of instructionspertainingto your unit.

Referto engine manual for helpwith the engine.

Starting the 435 Mower:

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.

Starting the 439 Mower:

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:Wait for the blade to stop com-

pletelybefore peformingany work on the

mower or to removethe grass catcher.

Stopping Engine

1. Releasebladecontrolto stoptheengineand blade.

2. Disconnectsparkplugwirefromsparkplugand

groundagainstthe engine.

UsingYour Lawn Mower

Besurelawnisclearof stones,sticks,wire,or other

objectswhichcoulddamagelawnmowerorengine.

Such objectscouldbe accidentlythrownby the mower

in anydirectionandcauseseriouspersonalinjuryto the

operatorandothers.

Figure4-2:Startingthe435Amower.

Figure4-3:Startingthe439Qmower.

_ARNING:if you strikeaforeign object,

stopthe engine.Removewire from the spark

plug,thoroughly inspectmower for any damage,

and repair damage before restarting and operating.

Extensive vibration of mowerduring operation is an

indicationof damage.The unit should be promptly

inspectedand repaired.

Using as Mulcher

Formulchinggrass,removethe grasscatcherandside

dischargechutefromthe mower.Foreffectivemulching,

do notcutwetgrass.If the grasshasbeenallowedto

growin excessof fourinches,mulchingisnot recom-

mended.Usethe grasscatcherto bagclippingsinstead.

Using Grass Catcher

Youcan usethe grasscatcherto collectclippingswhile

youareoperatingthe mower.Referto setupsectionfor

instructionson attachingthe grasscatcher.

WARNING

Theoperationof any lawn

mowercan result inforeign

objectsbeing thrown into

the eyes,whichcan damage

your eyes severely.Always

wearsafety glasseswhile

operating the moweror

whileperformingany

adjustments or repairson it

Besure no oneotherthan

the operatoris standing

nearthe Jawnmowerwhile

starting engine or operatinc

mower.Never run engine

indoorsor inenclosed,

poorlyventilated areas.

Engineexhaust contains

carbonmonoxide, an

odorless and deadlygas.

Keephands, feet, hair and

loose clothingawayfrom

any moving partson engine

and lawnmower.

Neveroperateyourmower

without either the rear door

or the entire grass catcher

assembly firmly secured.

disconnect sparkplug,

and groundagainstengine

before performinganytype

of maintenance onyour

machine.

Do not use a pressure

washerorgardenhoseto

clean your unit. Thesemay

causedamageto electdc

CompOnents,spindles;

pulleys, bearings,or the

enginel Theuseof water

Figure5-1:Areasof lubrication(model435 shown)

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.

_IIL ARNING:Alwaysstopengine,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 aircleanerfacingup. Hold mowerfirmly.

_ARNING:Nevertip the mowermorethan 90°

inany direction and do not leave the mower

tipped for any length of time. Oil can drainintothe

upper partof the enginecausingastartingproblem.

3. Scrapeandclean the undersideof the deckwitha

suitabletool.Do notspraywithwater.

4. Putthe mowerbackonitswheelsonthe ground.If

youhadput plasticunderthe gas capearlier,make

sureto removeit now.

Engine Care

A listof keyenginemaintenancejobsrequiredfor good

performanceby the moweris given below.Followthe

accompanyingenginemanualfor adetailedlistand

instructions.

1. Maintainoil levelas instructedinenginemanual.

2. Serviceaircleanerevery25 hoursundernormal

conditions.Cleaneveryfewhoursunderextremely

dustyconditions.Poorengineperformanceand

floodingusuallyindicatesthatthe aircleanershould

beserviced.Toservicethe air cleaner,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,Figure5-1.

•Lubricatethe wheelsat leastoncea seasonwith

lightoil (ormotoroil). If wheelsareremovedfor any

reason,lubricatesurfaceof the pivotarm andinner

surfaceof thewheelwithlight oil, Figure5-1.

•Lubricatethe torsionspringandpivotpointonthe

reardischargedoorandside mulchplugperiodically

withlightoil to preventrust,Figure5-1.

•Followtheaccompanyingenginemanualfor lubrica-

tion scheduleandinstructionfor enginelubrication.

Blade Care

,_IL WARNING:When removingthe cutting blade

forsharpeningor replacement, protectyour

handswithapairof heavygloves 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,Figure5-2.

3. Removebladeandadapterfromthe crankshaft,

Figure5-2.

4. The bladecan be sharpenedwitha fileor on a grind-

ingwheel.Do notattemptto sharpenthe bladewhile

it isstillon the mower.Whensharpeningthe blade,

followthe originalangleof grind.Grindeachcutting

edgeequallyto keepthe bladebalanced.

5. Removebladefromthe adapterfor testingbalance.

Balancethe bladeona roundshaftscrewdriverto

check.Removemetalfromthe heavysideuntil it

balancesevenly.

_iL ARNING:An unbalanced blade will cause

excessivevibrationwhen rotating at high

speeds,it may causedamageto mowerand could

break causingpersonal injury.

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 mowerisintheoperating

position.Makesurethatthe bladeisalignedand

seatedon the bladeadapterflanges.

8. Placebladebellsupportonthe blade.Alignnotches

on the bladebell supportwith smallholesinblade.

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,cutoff theflat endof the wirerod

whichsecuresitto thedeck, Figure5-3.

2. Attachthe newflap andnew rodto deck,bendingthe

ends of the newrodoverto secureto deck.

Figure5-2:Removethebolt,support,andadaptertoaccess

theblade.

Figure5-3:Cutwire to 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 powerequipmentina poorly

ventilatedor metalstorageshed,careshouldbetaken

to rust-prooftheequipment.Usinga lightoil or silicone,

coattheequipment,especiallycablesandall moving

partsof yourlawnmowerbeforestorage.

Maintaining

You

WARNING

When removing the cutting

bladefor sharpening or

replacement, protectyour

hands withapairof heavy

glovesoruse a heavy rag

to hold the blade,

Anunbalanced bladewill

causeexcessive vibration

whenrotating at high

speeds, it maycause dam-

age to mower, and could

break causingpersonal

injury,

_iiii _ ii _ _ i _ _i _ i

i i i ¸ ! !

i_ i_ _i!: _ i ii _ii__ii_I iiiii_

Problem Cause Remedy

Engine fails to Start i ade controldisengagedl b!adecontro!,

21 spark plugWire disconnected• connect wire to spark p!ug•

31 Fueltankempty OrStalefuel• Ell!tankWith clean,!resh gasoline•

4. Enginenot prreed. 4. Primeengineas instructedin 'fOperat,

ingyour LawnMowei!I,

5: Faultyspark pug 5, Clean,adjustgap, or replace.

6. BloCkedfuel linel 6, cieanfueliinel

7: Engineflooded. 7: Wait afew minutesto restart,but do

I netprime:

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.

Engine overheats 1 Engineoil levellow. 1. Fillcrankcasewith properoil.

2....A r fow restrcted I2 Removebower housngand cean

3. Carburetornotadjustedpropery. 3• Referto engne manua.

Occasional skips 1. Sparkpluggap tooclose. 1. Adjust gapto .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 pug.

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 is wet wait

until laterto cut.

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

then mowagainat desirecJheight or

I makea narrowerCuttingpath.

, 3• Du bade. , 3• Sharpenor replaceblade•

Uneven cut 1. Wheelsnotpositionedcorrectly. 1. Placeallfour wheelsin same

heightposition.

2. Dullblade. 2. Sharpenor replaceblade.

ii i _iI_ii

1 731-04204 BailCover

2 746-1130 ControlCable40-inch

746-1137 ControlCable53-inch

3 726-0240 CableTie

4 664-04027 GrassBagAssembly

5 747-04080 GrassBagFrame

6 732-0700 TrailshieldWire

7 731-04998 Trailshield

8 747-04035 PivotRod

9 731-04134A Rear Door

10 687-02069 HeightAdj. BracketAssy- LH

687-02068 HeightAdj. BracketAssy- RH

11 787-01279 21-inchDeck

12 687-02099A Hgt. Adj.Assy- LH(7-inchWhl)

687-02100A Hgt. Adj.Assy- RH(7-inchWhl)

13 731-1506A FrontEndCover,21-inch

14 782-5002B FrontBaffle

15 748-04082 BladeAdapter

16 742-0741 21-inchMulchingBlade

17 736-0524B Bell BladeSupport

18 710-1257 HexBolt3/8-24 x 2.5 long

19 731-04177 SideDischargeChute

20 712-04065 FlangeLockNut3/8-16

21 787-01290 HeightAdjustmentPlate

22 687-02076A PivotArm Assy- RH

687-02077A PivotArm Assy- LH

23 734-04086 Wheel7 x 1.8PinBar

24 738-0507B ShoulderScrew.5 x.434

25 732-0404 SpringLever

26 720-0426 HeightAdjustKnob

27 710-0599 TT Screw1.4-20x .50

28 736-0270 BellWasher.265x.75x.062

29 710-0654A TTSeresScrew3.8-16x 1.00

30 687-02071A PivotArmAssy- RH

687-02070A PivotArmAssy- LH

31 732-04175 SpringLever

32 734-04087 Wheel8 x 1.8PinBar

33 710-1652 TTScrew1/4-20x .625

34 714-0104 Int.Cotter Pin.072dia. x 1.13Ig

35 787-01292 RearHandleBracket- RH

787-01291 RearHandleBracket- LH

36 710-0703 CarriageScrew1/4-20x .75

37 710-04371 ScrewHL 1/4-15x 1.00

38 750-04162 Spacer

39 732-04090A TorsionSpring- RH

732-04089A TorsionSpring- LH

40 712-0397 WingNut

41 731-04150C RearBaffle

42 749-0928A LowerHandle

43 710-1174 CarriageBolt5/16-18x 2.0

44 720-04072 StarKnob

Parts List

To order replacement

parts, call

'800,.800q310

orvisitusO.

45 720-0279 HandleKnob the web at

46 710-1205 EyeBolt

47 749-1092A UpperHandle www.mtdproducts.com

48 747-1161A BladeControl(Bail)

49 7510042823 ShoulderScrew

50 731-04525 EngineShroud

51 17032A ChuteDeflectorAdapter

52 732-1014 TorsionSpring.290 IDx 1.68

53 747-0710 HingePin

54 987-02055 MulchPlugAssembly

NOTE:Mower features/components vary by model. NOTall parts listed above and pictured on the previous page are

standard equipment.

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 this producthasbeenoperatedand maintained

inaccordancewith the 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.

NOW 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.

Thislimitedwarrantydoesnotprovidecoverageinthe 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 impliedwarrantyof mer-

chantabilityof fitness for a particular purpose,applies after the

applicable periodof express written warranty above as to the

partsas identified.No otherexpresswarranty, whetherwritten or

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.

Innoeventshallrecoveryof any kindbegreaterthanthe amountof the

purchasepriceof the productsold.Alterationof safetyfeatures of

the product shallvoid this warranty. Youassumethe riskand liability

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

rightswhichvary fromstateto state.

IMPORTANT:OwnermustpresentOriginalProofof Purchaseto obtain

warrantycoverage.

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

MTD 11A 439Q755 User Manual LAWN MOWER Manuals And Guides 1107433L

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