MTD 11A 429R729 User Manual LAWN MOWER Manuals And Guides 1107423L

User Manual: MTD 11A-429R729 11A-429R729 MTD LAWN MOWER - Manuals and Guides View the owners manual for your MTD LAWN MOWER #11A429R729. Home:Lawn & Garden Parts:MTD Parts:MTD LAWN MOWER Manual

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

21 =inch Rotary Mower-

Model 420 Series

iMPORTANT
READ SAFETY

RULES AND iNSTRUCTiONS

CAREFULLY

BEFORE

OPERATION

Warning: This unit is equippedwith an internalcombustionengineand shouldnot be usedon or nearany unimprovedforest-covered,brushcoveredor grass-coveredland unlesstheengine'sexhaustsystemis equippedwith a sparkarrestermeetingapplicablelocalor statelaws(if any).
If a sparkarresteris used,it shouldbe maintainedin effectiveworkingorder by the operator.In theState of Californiathe aboveis requiredbylaw
(Section4442 of the CaliforniaPublicResourcesCode). Otherstatesmay havesimilarlaws.Federallaws applyon federallands.A sparkarrester
for the muffleris availablethroughyour nearestengineauthorizedservicedealeror contactthe servicedepartment,RO. Box361131Cleveland,
Ohio 44136-0019.

PRINTEDIN U.S.A.

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

FORMNO. 769-02336
01/11/2006

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 .......................................................
Safe Operation Practices ...................................
Setup and Adjustment .......................................
Operating Your Lawn Mower ..............................
Maintaining Your Lawn Mower .........................

3
4
6
8
10

Trouble Shooting ..............................................
Safety Labels ....................................................
Parts List ...........................................................

12
13
14

Warranty ............................................................

Characteristicsandfeaturesdiscussedand/or illustratedinthis manualmaynot be applicableto all models.MTDLLCreservesthe rightto changeproductspecifications,
designsand equipmentwithoutnoticeand withoutincurringobligation.

Finding and Recording Model Number
Before you begin to assemble the mower, please locate the
model plate on the equipment and copy the informationto the
sample model plate providedto the right. You can locate the
model plate by standing at the operating position and looking
down at the rear of the deck. This information will be neces-

Model Number

sary to use the manufacturer's web site, to obtain assistance
from the CustomerSupport Department,or when contacting
an authorizedservice dealer.

,..www.mtdproducts.com

Serial Number

MTD
LLC
P. O. BOX 361131
CLEVELAND,OH 44136
330=220=4683
800-800-731
0..

Customer Support
Please

DO NOT return the unit to the retailer from which it was purchased
contacting Customer
Support.

without

first

If you have difficulty assembling this product or have any questions regarding the controls, operation, or maintenanceof this
unit, you can seek help from the experts. Choose from the options below:
1. Visit www.mtdproducts.com.

Click on the Service & Support menu option.
Con_ec_ Us

_riv_cy Po_y

Ser_dce 8_SuFpo_
Product Registration

2. Phone a Customer Support Representativeat 1-800-800-7310.
3. The engine manufacturer is responsible for all engine-related issues with regards to performance, power-rating,specifications, warranty and service. Please refer to the engine manufacturer's Owner's/Operator's Manual, packedseparately with
your unit, for more information.

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WARNING: Engine Exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to State of Californiato cause cancer and
birth defects or other reproductiveharm.
DANGER: This machine was built to be operated according to the rules for safe operation in 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 and feet and throwing objects.
Failureto observe the following safety instructions could result in serious injury or death.

Children

WARNING
This symbol points
out importantsafety
instructionswhich, if
not followed,could
endangerthe personal
i safety and/or property
I ofyourselfand others.
Read and follow all
instructionsin this
manual beforeattemptingto operate
i this machine. Failure
I to comply with these
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 follow the warnings
and instructions
in this manual
and on the machine.

Tragicaccidentscan occur if operatoris not alert to presence
of children.Childrenare oftenattractedto mowerand mowing
activity.Theydo not understandthe dangers.Neverassume
thatchildrenwill remainwhereyou lastsawthem.
1. Keepchildrenout of the mowingareaand underwatchful
careof a responsibleadultotherthanthe operator.
2. Be alert andturn moweroff if a childentersthe area.
3. Beforeand whilemovingbackwards,look behindanddown
forsmallchildren.
4. Useextremecare when approachingblind corners,
doorways,shrubs,trees,or otherobjectsthat may obscure
yourvisionof a child whomay run intothe mower.
5. Keepchildrenawayfrom hot or runningengines.Theycan
sufferburnsfrom a hot muffler.
6. Neverallowchildrenunder14 yearsoldto operatea power
mower.Children14 yearsoldand overshouldreadand
understandoperationinstructionsandsafetyrulesinthis
manualandshouldbe trainedandsupervisedbya parent.

General

Operation

1. Readthis operator'smanualcarefullyin its entiretybefore
attemptingto assemblethis machine.Read,understand,
andfollowall instructionson the machineandin the
manual(s)beforeoperation.Be completelyfamiliar with
the controls andthe proper useof this machinebefore
operatingit. Keepthis manualin a safe place forfuture
and regularreferenceand for orderingreplacementparts.
2. This machineis a precision pieceof powerequipment,
not a plaything.Therefore,exerciseextremecautionat all
times.Yourunit has beendesignedto performonejob: to
mowgrass. Do not use it for any otherpurpose.
3. Neverallow childrenunder 14yearsold to operatethis
machine.Children 14yearsold and overshould readand
understandthe instructionsinthis manualandshould
be trainedand supervisedby a parent.Onlyresponsible
individualswho arefamiliar withthese rulesof safe
operationshould be allowedto usethis machine.
4. Thoroughlyinspectthe area wherethe equipmentis to
be used. Removeall stones,sticks,wire, bones,toys
andotherforeignobjects, whichcould be trippedover or
picked up andthrown bythe blade.Thrownobjects can
causeseriouspersonalinjury.Plan your mowingpattern
to avoid dischargeof materialtoward roads,sidewalks,
bystandersandthe like.Also,avoid dischargingmaterial
againsta wall or obstruction,whichmay causedischarged
materialto ricochetback towardthe operator.
5. Tohelp avoid bladecontact or a thrown objectinjury,
stay inoperatorzone behindhandlesand keepchildren,
bystanders,helpersand pets at least 75 feetfrom mower
whileit is inoperation.Stop machineif anyoneenters
area.

6. Alwayswearsafetyglasses or safetygogglesduringoperation andwhile performingan adjustmentor repairto protect
youreyes. Thrownobjectswhich ricochetcan causeserious
injury to the eyes.
7. Wearsturdy, rough-soledworkshoesand close-fitting
slacksandshirts. Shirtsand pantsthatcoverthe arms and
legs andsteel-toedshoesare recommended.Neveroperate
this machinein bare feet,sandals, slipperyor light-weight
(e.g. canvas)shoes.
8. Do not put hands or feet near rotatingparts or undercutting
deck. Contactwithblade can amputatehands andfeet.
9. A missingor damageddischargecovercan cause blade
contactor thrownobject injuries.
10. Manyinjuriesoccuras a resultof the mowerbeing pulled
overthe foot duringa fall causedby slippingor tripping.
Do not hold on to the mower if you are falling; releasethe
handle immediately.
11. Neverpullthe mowerback towardyou whileyou are
walking.If you must backthe mowerawayfrom a wall or
obstructionfirst look down and behindto avoid trippingand
thenfollowthese steps:
a. Stepback from mowerto fully extend yourarms.
b. Be sure youare well balancedwithsurefooting.
c. Pullthe mowerback slowly,no morethan half way
toward you.
d. Repeatthesesteps as needed.
12. Do not operatethe mowerwhileunderthe influenceof
alcoholor drugs.
13. Do not engagethe self-propelledmechanismon unitsso
equippedwhilestartingengine.
14. The bladecontrol handle is a safetydevice.Neverattempt
to bypassits operation.Doingso makesthe safetydevice
inoperativeandmay result in personalinjurythrough
contactwiththe rotatingblade. The bladecontrol handle
mustoperateeasily in bothdirectionsandautomatically
returnto the disengagedpositionwhen released.
15. Neveroperate the mowerinwet grass. Alwaysbe sure of
yourfooting. A slip and fall can causeseriouspersonal
injury.If you feel you are losing yourfooting,releasethe
bladecontrol handle immediatelyand the bladewill stop
rotatingwithinthreeseconds.
16. Mowonly in daylightor good artificial light. Walk,never run.
17. Stopthe bladewhen crossinggraveldrives, walksor roads.
18. If the equipmentshouldstartto vibrateabnormally,stop the
engineand check immediatelyfor the cause.Vibrationis
generallya warningof trouble.

19.Shut the engine off andwait untilthe bladecomesto a
completestop before removingthe grasscatcheror unclogging the chute.
The cuttingbladecontinuesto rotatefor a fewseconds after
the engine is shut off. Neverplaceany part of the bodyin
the bladearea untilyou are surethe blade hasstopped
rotating.
20. Neveroperate mowerwithoutpropertrail shield, discharge
cover,grass catcher,bladecontrol handleor othersafety
protectivedevices in placeand working.Neveroperate
mowerwithdamagedsafetydevices.Failureto do so can
resultin personalinjury.
21. Mufflerandengine becomehot andcan causea burn.Do
not touch.

7. Extinguishall cigarettes,cigars, pipesand othersources
of ignition.
8. Neverfuel machineindoorbecauseflammablevapors will
accumulatein the area.
9. Neverremovegas cap or add fuel whileengine is hot or
running. Allow engineto cool at least two minutesbefore
refueling.
10. Neveroverfill fuel tank. Filltank to no morethan Y2inch
below bottomof filler neckto providefor fuel expansion.
11. Replacegasoline cap andtighten securely.
12. If gasolineis spilled,wipe it off the engine and equipment.
Moveunit to another area.Wait 5 minutesbeforestarting
engine.
13. Neverstorethe machineor fuel containernear an open
flame,sparkor pilot light as on a water heater,space
heater,furnace, clothesdryeror othergas appliances.
14. Toreducefire hazard,keepmowerfree of grass, leaves,
or other debrisbuild-up.Clean up oil or fuel spillage and
removeany fuel soakeddebris.
15. Allow a mowerto cool at least5 minutesbeforestoring.

22. Only use parts and accessoriesmadefor this machineby
manufacturer.Failureto do so can result inpersonalinjury.
23. If situationsoccurwhich are not coveredin this manual,
use careand goodjudgment. Contactyourdealerfor
assistance.Telephone1-800-800-7310for the name of your
nearestdealer.

Operation

General Service:

Slope Operation

1. Neverrun an engine indoorsor in a poorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,an odorlessand
deadlygas.
2. Beforecleaning,repairing,or inspecting,makecertainthe
bladeandall movingparts havestopped.Disconnectthe
sparkplug wire andgroundagainstthe engineto prevent
unintendedstarting.
3. Checkthe bladeandengine mountingbolts atfrequent
intervalsfor propertightness.Also,visuallyinspectbladefor
damage(e.g.,bent,cracked,worn) Replacebladewiththe
originalequipmentmanufacture's(O.E.M.)bladeonly,listed
inthis manual."Use of partswhichdo not meetthe original
equipmentspecificationsmay leadto improperperformance
andcompromisesafety!"
4. Mowerbladesare sharp andcan cut.Wrap the bladeor wear
gloves,anduse extracautionwhen servicingthem.
5. Keepall nuts,bolts, andscrewstight to be surethe equipmentis insafe workingcondition.
6. Nevertamperwithsafetydevices.Checktheir proper operation regularly.
7. Afterstrikinga foreignobject,stop the engine,disconnect the sparkplug wire andgroundagainstthe engine.
Thoroughlyinspectthe mowerfor any damage.Repairthe
damagebeforestartingandoperatingthe mower.
8. Neverattemptto makea wheel or cuttingheightadjustment
whilethe engine is running.
9. Grasscatchercomponents,dischargecover,andtrail
shield aresubjectto wear anddamagewhichcould expose
movingparts or allowobjectsto be thrown.For safety
protection,frequentlycheck componentsandreplaceimmediatelywithoriginal equipmentmanufacturer's(O.E.M.)
parts only,listed inthis manual."Use of parts which do
not meetthe original equipmentspecificationsmaylead to
improperperformanceandcompromisesafety!"
10. Do not changethe enginegovernorsettingor over-revthe
engine.The governorcontrolsthe maximumsafe operating
speedof the engine.
11. Maintainor replacesafetylabels,as necessary.
12. Observeproperdisposallawsand regulations.Improper
disposalof fluidsand materialscan harmthe environment.

Slopesare a majorfactor relatedto slip andfallaccidents,which
can resultinsevereinjury.Operationon slopes requiresextra
caution.If you feel uneasyon a slope,do not mow it.For your
safety,usethe slope gaugeincludedas part of this manualto
measureslopes beforeoperatingthis unit on a slopedor hilly
area.If the slope is greaterthan 15degrees,do not mowit.

Do:
1. Mowacrossthe face of slopes;neverup anddown.Exercise
extremecautionwhenchangingdirectionon slopes.
2. Watchfor holes,ruts,rocks, hiddenobjects,or bumpswhich
can causeyouto slip or trip. Tallgrass can hide obstacles.
3. Alwaysbe sure of yourfooting.A slip andfall can cause
serious personalinjury.If you feel you are losingyour
balance,releasethe bladecontrol handle immediately,and
the bladewill stop rotatingwithin 3 seconds.

Do Not:
1. Donot mownear drop-offs, ditchesor embankments,you
could loseyour footing or balance.
2. Donot mowslopes greaterthan 15degrees asshown on
the slope gauge.
3. Donot mowon wetgrass. Unstablefooting could cause
slipping.

Service
Safe Handling Of Gasoline:
1. To avoid personalinjury or propertydamage useextreme
care inhandlinggasoline. Gasolineis extremelyflammable
and the vapors are explosive.Serious personalinjury can
occur when gasolineis spilled on yourself or your clothes,
which can ignite.
2. Wash yourskin andchangeclothesimmediately.
3. Useonly an approvedgasolinecontainer.
4. Neverfill containers insidea vehicle or on a truckor trailer
bedwitha plasticliner.Alwaysplace containerson the
ground awayfrom yourvehicle beforefilling.
5. Removegas-poweredequipmentfromthe truck or trailer
and refuel it on the ground.If this is not possible,then refuel
such equipmenton a trailer witha portablecontainer,rather
than from a gasoline dispensernozzle.
6. Keepthe nozzlein contactwiththe rim of the fuel tank or
container openingat all times until fuelingis complete.Do
not use a nozzle lock-opendevice.

WARNING
This symbol points
out important safety
instructions, which if
not followed, could
endangerthe personal
safety and/or property
of yourselfand others.
Read and follow all
instructions in this manual before attempting to
operate this machine.
Failureto comply with
these instructions may
result in personal injury.
When you see this
symbol.
HEED

IT'S WARNING!

Your Responsibility
Restrictthe use
of this power machine
to persons who read.
understand
and follow the warnings
and instructions
in this manua
and on the machine.

Yourmowermaydiffer slightlyfromthe illustrations
shown.
1. Removeanypackingmaterialwhich may be between
upperand lowerhandles.
a. Pull up and backon upperhandleas shownin
Step 1.Makecertainthe lowerhandleis seated
securelyintothe handle mountingbrackets.
b. Tightenhandknobs securingupperhandleto
lowerhandle.Make surethat eachcarriagebolt is
seatedproperlyin the handle.
2. Locatehairpinclip foundin holeon the weldpin on
eachside of lowerhandle.
a. Removehairpinclipfrom this hole.Usinga pair of
pliers,insert hairpinclip intothe other holeon the
weldpin. Repeaton otherside.
Step 1

b. Inserta carriagebolt fromthe hardwarepack into
the upperhole on the handle mountingbracket.
Securewith one plasticwing nut,also included
in the hardwarepack.Repeaton other sidewith
remainingitemsfrom hardwarepack.

Hardware Pack

NOTE:Standbehind
themowerasil you

Wing Nuts (2)

Carriage Bolts (2)

weregoing
tooperate
it.Yourright
handcorresponds
totheright
i sideofthemower;your
lefthandcorresponds
totheleftsideofthe
mower.

The ropeguide is attachedto the right sideof the
upperhandle.Loosenthe wingnut which securesthe
rope guide.
a. Holdblade controlhandleagainstupper handle.
b. Pull starterropeout of the engine.Releaseblade
controlhandle.
c. Slip starterrope into ropeguide.
d. Tightenwingnut.

NOTE:Yourmower
isshippedwiththe
handleinthehigher
heightposition.

Insertpost on cable ties intoholes providedon the
lowerhandle.Pull cabletie tight and trim excess.

NOTE:Eachendof
i thelowerhandlemust
beplacedinthesame
i relativeposition.
iMPORTANT
I

This unit is shipped
i without gasoline or
i oil inthe engine. Fill
!i up gasoline and oil
as instructedinthe
i accompanying engine
manual BEFORE
operating your mower.
Step 3

Step 4

5. An adjustingplateand thumb leverat each wheel
providescuttingheightadjustment.
a. Depresslevertowardswheel.
b. Moveit to anyof the ninepositionsfor desired
cutting height.SeeStep 5.
c. Releaselevertowardsmowerdeck.
6. Followstepsbelowto assemblethe grasscatcher:
a. Placebag overframe sothat its black plasticside
is at the bottom.

uStment

b. Slip plasticchannelof grass bagoverhooks on the
frame.See Step6. All the plasticchannelsexcept
centertop of bag attachfrom outsideof frame.
c. Attachcentertop of bag from insideof frame.
7. Followstepsbelowto attachgrass catcher:
a. Lift rear dischargedoor.

CUTTING HEIGHT

Step 5

b. Placegrass catcheron thepivot rod. Letgo
of dischargedoor sothat it restson thegrass
catcher.See Step7.
To removegrass catcher,lift reardischargedooron the
moweras shownin Step7. Lift grass catcherup and out,
off of the pivot rod. Releaserear dischargedoor to allow
it to close rearopeningof mower.

Step5
All wheelsmust be
placedin the same
relative positionl
GRASS CATCHER

Stepe
Makecertain bag is
turned right side out
before assembling
(warning label Willbe
on the outside):

WARNING:Never operate mowerunless the
hookson the grass catcherare firmly seated
on the pivotrod and the rear dischargedoor rests
firmly against top of the grass catcher.

Step 6

WARNING

Using The Mulcher

Never operate mower
unless the hooks on

To utilizethe mulchingfeature,lift the reardischargedoor
on the moweras showninStep 7.Lift grass catcherup
and out, off of the pivot rod. Releaserear dischargedoor
to allow itto close rearopeningof mower.

the grass catcher are
firmly seated on the
_ivot rod, and the
rear discharge door
rests firmly against
top of the grass
catcher.

Step 7

Know Your Lawn Mower
Blade Control

Upper Handle
Recoil
Starter
Lower Handle

Oil Fill

Starter Rope
Grass Catcher

Cutting Height
Adjustment Lever
(for each wheel)

WARNING
The blade control
mechanism is a
safety device. Never
attempt to bypass its
operations.
Gasoline Fill
I Use extreme care
when handling
gasoline. Gasoline is
extremely flammable
and the vapors are
explosive. Never fuel
the machine indoors
or while the engine
is hot or running.
Extinguish cigarettes,
cigars, pipes and
other sources of
ignition.
Keep hands and feet
away from the chute
area on cutting deck.
Refer to warning
label on the unit.

Yourmowermay differslightly.

Figure

Recoil

Now that you have set up your lawn mower for
operation, get acquainted with its controls and features. These are described below and illustrated on
this page. This knowledge will allow you to use your
new equipment to its fullest potential.

Starter

The recoil starter is attached to the right upper
handle. Stand behind the unit, depress blade control,
and pull the recoil starter rope to start the unit.

Gas and Oil Fill-Up
Blade Control

1. Check oil level and add oil if necessary. Follow engine
manual for this. See Figure 1 above for location of the
oil fill.

The blade control is attached to the upper handle
of the mower. Depress and squeeze it against the
upper handle to operate the unit. Release it to stop
engine and blade.

__1

Cutting

2. Servicethe enginewith gasolineas instructedin the
enginemanual. See Figure1 abovefor locationof
gasfill.

nism is a safetydevice. Never attempt
WARNING:Thisbladecontrolmechato bypass its operations.

Height

Adjustment

Levers

One adjustment lever is located on each wheel and
is used to adjust the cutting height. All four levers
have to be at the same relative position to ensure a
uniform cut.

handlinggasoline. Gasoline is
ARNING:Use
extremecarewhen
extremely
flammable
and the vapors
are explosive. Neverfuel the machine
indoorsor while the engine is hot or
running.Extinguish cigarettes, cigars,
pipesand other sources of ignition.

==,

WARNING:The operationof any lawn
mowercan result in foreign objects
being thrownintothe eyes,whichcan
damageyoureyes severely.Always
wear safetyglasseswhileoperating
the mower,or while performing any
adjustmentsor repairson it.

Starting

Engine

Mower

WARNING:Besure no one otherthan
the operatoris standingnear the lawn
mower whilestartingengine or operatingmower. Never run engine indoors
or in enclosed, poorly ventilated areas.
Engine exhaust contains carbon monoxide,an odorless and deadly gas. Keep
hands,feet, hair and loose clothing
away from any moving parts on engine
and lawnmower.

Figure 2

_klL
1. Pushprimerthreetimes.Wait abouttwo seconds
betweeneachpush. See Figure2. Intemperature
around550F or below,primefive times.Do not prime
to restarta warm engine.
2. Standingbehindthe mower,squeezethe bladecontrol
againstupper handle.See Figure2.

object, stop the engine.Remove
ARNING:If you strike a foreign
wire from the spark plug,thoroughly
inspectmower for any damage, and
repair damage before restarting and
operating. Extensive vibration of
mower during operation is an indication of damage.The unit should be
promptlyinspectedand repaired.

3. Holdingthesetwo handlestogetherfirmly,grasp recoil
starterhandleand pull ropeout with a rapid,continu- 1. Forbest results,do notcut wet grass.
ous, full arm stroke.See Figure2. Keepinga firm
2. Fora healthierlawn, nevercut off morethan onegrip on the starterhandle,let the rope rewindslowly.
thirdof the total lengthof the grass.
Repeatuntil enginecranks.Letthe roperewindeach
Using as Mulcher
time slowly.
Formulchinggrass,removethe grasscatcherfrom the
mower.The rear dischargedoor shouldbe closed.
1. Foreffectivemulching,do notcut wet grass.
completelybefore doing any work
2. Newor thick grassmay requirea narrowercut.
_L_kl
the blade tograss
stop
onARNING:Wait
the mower or for
to removethe
Adjustgroundspeedaccordingto conditionof lawn.
catcher.
3. If thegrass has beenallowedto growin excessof
4 inches,mulchingis not recommended.Usethe
Stopping
Engine
grasscatcherto bag clippingsinstead.
1. Releasebladecontrol to stop theengineand blade.

Using

2. Disconnectsparkplug wirefrom spark plug and
groundagainstthe engine.

UsingYour

Grass Catcher

Youcan usethe grass catcherto collectclippingswhile
youare operatingthe mower.
1. Attachgrasscatcherfollowinginstructionson page
7. Grass clippingswill automaticallycollectin the
bag as you runthe mower.Operatethe mowertill the
grass bag is full.

Lawn Mower

without eitherthe rear door or the entire
WARNING:Never operate your mower
2. Stopenginecompletelyby releasingthe blade
grass catcher assembly firmly secured.
controlhandle.Makesurethat the unit hascometo
a completestop.
Be surelawnis clearof stones,sticks,wire,or other
3. Lift dischargedoor and pull grassbag up and away
objectswhich coulddamagelawnmoweror engine.
fromthe mowerto disposeof the grass clippings.
Such objectscouldbe accidentlythrownby the mower
in anydirectionand cause seriouspersonalinjuryto the
operatorand others.
_kl=

WARNING
The operation of any
lawn mower can result
in foreign objects
being thrown into
the eyes, which can
damage your eyes
severely. Always wear
safety glasses while
operating the mower,
or while performing
any adjustments or
repairs on it.
Be sure no one other
than the operator is
standing near the lawn
mower while starting
engine or operating
mower. Never run
engine indoors or
n enclosed, poorly
ventilated areas. Engine exhaust contains
carbon monoxide, an
odorless and deadly
gas. Keep hands, feet,
hair and loose clothing
away from any moving
parts on engine and
lawn mower.

Deck Care
Clean underside of the mower deck after each use
to prevent build-up of grass clippings or other debris.
Follow steps below for this job.
1. Disconnectsparkplug wire. Draingasolinefrom lawn
mower,or placea pieceof plasticunderthe gas cap.
2. Tip mowersothat it restson the housing.Keepthe
sidewith the air cleanerfacingup. Hold mowerfirmly.

Maintaining

more
than 90
degrees
in any
ARNING"
Never
tip the
mower
directions and do not leave the
mower tipped for any length of
time. Oil can drain intothe upper
part of the engine causing a
starting problem.

6
Figure 3

3. Scrapeand clean the undersideof the deck with a
suitabletool. Do notspraywith water.

General

WARNING

A ways
stop
e,g ne;
disconnect spark

plugl andground
against enginebefore
cleaning,lubricating

Recommendations

4. Putthe mowerback on itswheelson the ground.If
youhad put plasticunderthe gas capearlier,make
sureto removeit now.

1. Alwaysobservesafetyruleswhen performing
anymaintenance.
2. Thewarrantyon this lawnmowerdoesnot cover
itemsthat havebeen subjectedto operatorabuse
or negligence.To receivefull valuefromwarranty,
operatormustmaintainthelawn moweras
instructedhere.

Engine

3. Changingof engine-governedspeedwill void
enginewarranty.
4. All adjustmentsshouldbe checkedat leastonce
eachseason.
5. Periodicallycheckall fastenersand makesurethese
are tight.

We do not recommend
the use of pressure
washers or garden
hose to clean your
unit. These may cause
damageto electric
Components spindles
i

pulleys;bearings
the enginel The use
of water will resultin
shortened life and

Care

A list of key enginemaintenancejobs requiredfor good
performanceby the moweris given below.Followthe
accompanyingengine manualfor a detailedlist and
instructions.
1. Maintainoil levelas instructed
in enginemanual.

disconnect
spark plug,
WARNING: Always
stopand
engine,
ground against engine before
cleaning, lubricating or doing
any kind of maintenanceon your
machine.

2. Serviceair cleanerevery25 hoursundernormal
conditions.Cleaneveryfew hoursunderextremely
dustyconditions.Poor engineperformanceand
floodingusuallyindicatesthat the air cleanershould
be serviced.Toservicethe air cleaner,referto the
enginemanual.
3. Cleansparkplug and resetthegap once a season.
Sparkplug replacementis recommendedat the start
of eachmowingseason.Checkenginemanualfor
correctplugtype and gap specifications.
4. Cleanengineregularlywith a cloth or brush. Keepthe
coolingsystem(blowerhousingarea) cleanto permit
properair circulation.Removeall grass,dirt and
combustibledebrisfrom mufflerarea.

Lubrication
1. Lubricatepivot pointson theblade controlhandleat
least oncea seasonwith lightoil. The bladecontrol
mustoperatefreely inboth directions.See Figure3.
2. Lubricatethe wheelsat least oncea seasonwith
lightoil (or motoroil). If wheelsare removedfor any
reason,lubricatesurfaceof the pivotarm and inner
surfaceof thewheelwith light oil. See Figure3.
3. Lubricatethe torsionspringand pivot pointon the
rear dischargedoor periodicallywith lightoil to
preventrust.See Figure3.
4. Followtheaccompanyingengine manualfor lubrication scheduleand instruction
for engine lubrication.

Blade Care

cutting
blade
for sharpening
or
ARNING:
When
removing the
replacement, protect your hands
with a pair of heavy gloves or use
a heavy rag to hold the blade.

Maintaining
Yo ur LaWn
ow er

Periodicallyinspectthe bladeadapterfor cracks,
especiallyif youstrikea foreignobject. Replacewhen
necessary.Followthe stepsbelowfor blade service.
1. Disconnectsparkplug wirefrom spark plug.Turn
moweron itsside makingsurethat the air filter and
the carburetorare up.

J
Figure 4

2. Removethe boltand the bladebell supportwhich
hold the bladeand the bladeadapterto the engine
crankshaft.See Figure4.
3. Removebladeand adapterfromthe crankshaft.
4. The bladecan be sharpenedwith a fileor on a grindingwheel.Do notattemptto sharpenthe blade whileit
is still on the mower.

WARNING

5. Whensharpeningthe blade,followthe originalangle
of grind. Grindeachcuttingedge equallyto keepthe
blade balanced.
.

Removebladefrom the adapterfor testingbalance.

7. Balancethe bladeon a roundshaftscrewdriverto
check. Removemetalfrom the heavysideuntil it
balancesevenly.
Figure 5

,__

will
cause excessive
vibration
WARNING:
An unbalanced
blade
when rotating at high speeds, it
may cause damage to mower, and
could break causing personal
injury.

8. Lubricatetheenginecrankshaftand slide the blade
adapteronto the enginecrankshaft.
9. Placethe bladeon the adaptersuch that the side
of the blade marked"Bottom"(or with part number)
facesthe groundwhenthe mowerisin theoperating
position.Makesurethat the blade isalignedand
seatedon the bladeadapterflanges.
10.Placeblade bell supporton the blade.Align notches
on the bladebell supportwith smallholesin blade.
11.Replacehex boltand tightenhex boltto torque:450
in.Ibs. rain.,600 in. Ibs.max.
Toensuresafe operationof yourmower,periodically
checkthe blade boltfor correcttorque.

Replacing

Rear Flap

1. To removerearflap, cut off the flat end of the wire
rod which securesit to the deck.See Figure5.
2. Attachthe newflapand newrod to deck,bending
the endsof the newrod overto secureto deck.

Off-Season

Storage

Thefollowingstepsshouldbe takento prepareyour
lawnmowerfor storage.
1. Cleanand lubricatemowerthoroughlyas described
in the lubricationinstructions.
2. Wedo not recommendthe use of a pressurewasher
or garden hoseto cleanyourunit.
3. Referto engine manualforcorrectengine
storageinstructions.
4. Coat mower'scuttingblade with chassisgreaseto
preventrusting.
5. Storemowerin a dry, cleanarea. Donot storenext
to corrosivematerials,suchas fertilizer.
Whenstoringanytype of powerequipmentin a poorly
ventilatedor metal storageshed, careshouldbe taken
to rust-prooftheequipment.Usinga lightoil or silicone,
coat theequipment,especiallycablesand all moving
parts of yourlawnmowerbeforestorage.

When removing
the cutting blade
for sharpening or
replacement, 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 rotating at high speeds, it
may cause damage
to mower, and could
break causing personal injury.

Problem

Cause

Engine fails to Start

i. Blade controldisengaged.
spark p!ug wiredisconnected:
3. Fueltank empty or stale fuel.
4. Enginenot choked.

Enginerunserratic

5: Faultyspark p ug
BlOCked
fuel linel
7: Engineflooded.

1. Sparkplug wire loose.
2. Blockedfuel lineor stale fuel.
3.
4.
5.
6.

repairs
beyondEngine overheats

1 Engineoil levellow.
2....A r f ow restr cted
3. Carburetornot adjustedpropery.

theminor
adjustments
listed here, contact
an authorized service

i ii _ii__ii_
I

1. Fillcrankcasewith proper oil.
I 2 Removebower housng and c ean
3• Referto engne manua.

1. Resetgapto .030-inchor replace
spark pug.
2. Referto engine manual.
3. Referto engine manual.

2 Carburetorimproperlyadjusted
3. Dirtyair cleaner.
1. Cuttingbladeloose or unbalanced.

1. Tighten bladeandadapter.Balance
blade.

2. Bentcutting blade.

2. See an authorizedservicedealer.

1 Wetgrass•

1. Donot mowwhen grass is wet wait

2. Excessivelyhigh grass.

until laterto cut.
2. Mowonce at a high cutting height,
then mowagainat desirecJheight or

3. Du bade.
1. Wheelsnot positionedcorrectly.
2. Dull blade.

i_ i_ _i!: _

5. Referto engine manual.
6. Referto engine manual.

1. Sparkplug fouled, faulty or gaptoo wide.

Uneven cut

1. Connect andtighten sparkplug wire.
2. Clean fuel line; fill tank withclean,
fresh gasoline.
3. Clear vent.
4. Drainfuel tank. Refillwithfresh fuel.

Idles poorly

i ¸

4. Choke engineas instructedinthe
OPe[atingYOU[Lawn Mower section•
5, Clean, adjustgap, or replace.
6,
cieanfueliinel
7: Wait afew minutesto iestart, but do
I
notprime:

1. Adjust gapto .030-inch.
2. Referto engine manual.

Mower will not mulch grass

i i

Engage biadecontrol
conBect Wireto Sparkp!ug_
3. Fi Itank with clean,fresh gasoline.

1. Sparkplug gap too close.
2. Carburetoridlemixtureadjustment
improperlyset.

Excessive Vibration
ii _ _ i _

Occasional skips
(hesitates) at high speed

_iiii _

Ventingas cap plugged.
Wateror dirt infuel system.
Dirtyair cleaner.
Carburetorout of adjustment.

Remedy

iiiii_

I
makea narrowerCuttingpath.
, 3• Sharpenor replaceblade.
1. Placeall four wheelsin same
heightposition.
2. Sharpenor replaceblade.

ii i _iI_ii

\1)

23i

I
i

TreadTypes

Bar Tread

Zag Tread

747-1161A Blade ControlHandle

749-1092A UpperHandle

710-1205

RopeGuide

24 782-5002B Front Baffle

720-0279

WingNut, 1/4-20

25 748-0377C BladeAdapter

710-1174

CarriageBolt, 5/16-18x 2

26 742-0741

720-04072

HandStar Knob

27 736-0524B Blade Bell Support

749-0928A LowerHandle

28 710-1257

Screw,3/8-24x 2.50

712-0397

WingNut, 1/4-20

29 712-04065

FlangeLock Nut,3/8-16

746-0957

ControlCable- 37.25"

30 787-01290

HeightAdjustmentPlate

746-1130

ControlCable- 40"

31 687-02076A PivotArm Assembly- RH

746-0554

ControlCable- 40.5"

746-1137

ControlCable- 53"

32 _

CableTie

33 738-0507B ShoulderScrew

10 726-0240

23 687-02075A Height.Adj. Assy.Front- LH
687-02074A HeightAdj.Assy. Front- RH

Blade

iii_ii_ii_ii
I_ ii_i ii_i_i
_ _i

iii _

687-02077A PivotArm Assembly- LH
FrontWheel

11 664-04007A Grass BagAssembly

34 732-0404

Spring Lever

12 747-04080

Grass Bag Frame

35 720-0426

HeightAdjustmentKnob

13 732-0700

TrailshieldWire

36 687-02071A PivotArm Assembly- RH

14 731-04998

Trailshield

15 747-04035

RearDoor PivotRod

687-02070A PivotArm Assembly- LH
37 732-04175

Spring Lever

16 732-04089A TorsionSpring LH

38 738-04136

ShoulderScrew

17 731-04134A RearDischargeDoor

39 _

RearWheel

18 750-04162

40 710-1652

Screw,1/4-20x.625

19 732-04090A TorsionSpring RH

41 714-0104

HairpinClip

20 710-04371

Screw,1/4-15x 1.25

42 787-01292

RearHandleBracket- RH

21 787-01276

Deck21 inch

787-01291

RearHandleBracket- LH

22 687-02068

HandleBracketAssy- RH

43 710-0703

687-02069

HandleBracketAssy- LH

44 731-04150C RearBaffle

Spacer

CarriageBolt, 1/4-20

45 710-0654A TT Screw,3/8-16x 1
1 if equipped
Referto WheelChart

_:Wheel Chart
Type

Part No.

Tread

Wheelsw/o bearing

734-1781,8 x 1.8Slot HubGray

Bar

734-1987,8 x 1.8SpokeGray

Bar

734-1988,7 x 1.8SpokeGray

Bar

734-2004A,8 x 2 DiscHub

Zag

734-2005A,8 x 2

Zag

Wheelsw/BB

PartS List

To order replacement
parts;contact
1_800_800'7310
or visit
www, rntdproducts,com

MANUFACTURER'S

LiMiTED WARRANTY

The limitedwarrantyset forth belowisgivenby MTDLLCwith respect
to newmerchandisepurchasedand usedin the UnitedStates,its
possessionsand territories.
"MTD"warrantsthis productagainstdefectsin materialand workmanshipfor a periodof two (2) years commencingon the date of original
purchaseand will, at its option,repairor replace,freeof charge,any
part foundto be defectiveinmaterialsor workmanship.This limitedwarranty shallonlyapply if this product hasbeen operatedand maintained
inaccordancewith the Operator'sManualfurnishedwith the product,
and has notbeen subjectto misuse,abuse,commercialuse, neglect,
accident,impropermaintenance,alteration,vandalism,theft, fire, water,
or damagebecauseof otherperil or naturaldisaster.Damageresulting
fromthe installationor useof any part, accessoryor attachmentnot
approvedby MTDfor use with the product(s)coveredbythis manual
willvoid yourwarrantyas to any resultingdamage.
Normalwearparts are warrantedto be free fromdefects in materialand
workmanshipfor a periodof thirty (30) days fromthe dateof purchase.
Normalwearparts include,butare notlimitedto itemssuch as: batteries,belts,blades,blade adapters,grass bags, riderdeck wheels,seats,
snowthrowerskid shoes,shaveplates,auger spiralrubberand tires.
NOW TO OBTAIN SERVICE: Warranty service is available, WITH
PROOF OF 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 441360019, or call 1-800-800-7310 or 1-330-220-4683 or log on to our
Web site at www.mtdproducts.com.
This limitedwarrantydoesnot providecoverageinthe followingcases:
a. Theengineor componentparts thereof.These itemsmaycarry a
separatemanufacturer'swarranty.Referto applicablemanufacturer's
warrantyfor termsand conditions.
b. Log splitterpumps,valves,and cylindershavea separateone year
warranty.
c. Routinemaintenanceitemssuch as lubricants,filters, blade
sharpening,tune-ups,brakeadjustments,clutchadjustments,deck
adjustments,and normaldeteriorationof the exteriorfinish due to
useor exposure.

FOR

e. MTDdoesnot extendanywarrantyfor productssoldor exported
outsideof the UnitedStates,its possessionsand territories,except
those soldthroughMTD'sauthorizedchannelsof export distribution.
f. Replacementparts that are notgenuine MTDparts.
g. Transportationchargesand servicecalls.
No impliedwarranty,includingany impliedwarrantyof merchantabilityof fitness for a particular purpose,applies after the
applicable periodof express written warranty above as to the
parts as identified.No otherexpresswarranty, whetherwritten or
oral, except as mentioned above, givenby any personor entity,
includinga dealeror retailer, with respect to any product,shall
bind MTD.Duringthe periodof the warranty,the exclusiveremedy
is repairor replacementof the productas set forth above.
The provisionsas set forth in this warrantyprovidethe sole and
exclusiveremedy arising from the sale. MTDshallnot be liable
for incidentalor consequentialloss or damage including,without
limitation, expensesincurredfor substituteor replacementlawn
careservicesor for rentalexpensesto temporarily replacea
warranted product.
Somestatesdo notallowthe exclusionor limitationof incidentalor
consequentialdamages,or limitations
on howlong an impliedwarranty
lasts,sothe aboveexclusionsor limitations
maynot applyto you.
In no event shallrecoveryof any kindbe greaterthanthe amountof the
purchasepriceof the productsold.Alterationof safety features of
the product shallvoid this warranty. Youassumethe riskand liability
for loss,damage,or injuryto you and yourpropertyand/orto others and
theirpropertyarisingout of the misuseor inabilityto usethe product.
This limitedwarrantyshallnot extendto anyoneotherthan theoriginal
purchaseror to the personfor whomitwas purchasedas a gift.
HOWSTATELAWRELATESTOTHIS WARRANTY: This limited
warrantygivesyou specificlegal rights,and youmay alsohaveother
rightswhich vary from stateto state.
IMPORTANT:OwnermustpresentOriginal Proofof Purchaseto obtain
warrantycoverage.

d. Servicecompletedby someoneotherthanan authorizedservice
dealer.

MTD LLC, P.O. BOX 361131 CLEVELAND,

OHIO 44136=0019; Phone: 1=800=800=7310, 1=330=220=4683

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MTD 11A 429R729 User Manual LAWN MOWER Manuals And Guides 1107423L

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