Yard-Man 12AV829C755 Owner's manual
- Category
- Lawnmowers
- Type
- Owner's manual
This manual is also suitable for
Safety • Assembly • Operation • Tips &Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
A O A AL
21=inch Rotary Mower- Model 829
iMPORTANT
READ SAFETY RULES AND iNSTRUCTiONS CAREFULLY BEFORE OPERATION
Warning: Thisunitisequippedwithaninternalcombustionengineandshouldnotbeusedon ornearanyunimprovedforest-covered,brush-
coveredor grass-coveredlandunlesstheengine'sexhaustsystemisequippedwitha sparkarrestermeetingapplicablelocalor statelaws(if any).
If a sparkarresterisused,it shouldbemaintainedineffectiveworkingorderbytheoperator.IntheStateofCaliforniatheaboveisrequiredbylaw
(Section4442oftheCaliforniaPublicResourcesCode).Otherstatesmayhavesimilarlaws.Federallawsapplyonfederallands.A sparkarrester
forthemufflerisavailablethroughyournearestengineauthorizedservicedealeror contacttheservicedepartment,RO.Box361131Cleveland,
Ohio44136-0019.
PRINTEDIN U.S.A
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
FORMNO.769-01607B
10/14/05
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 ................................................ 14
Safety Labels .................................................... 15
Parts List ........................................................... 16
Warranty ............................................ Back Cover
Finding and Recording Model Number
BEFOREASSEMBLINGYOURNEW EQUIPMENT,please
locatethe model plateon the equipmentandcopy the infor-
mationto the sample modelplate providedto theright.You
can locatethe modelplate by standing atthe operatingposi-
tion and lookingdown atthe rear ofthe deck. This information
will be necessaryto usethe manufacturer'swebsite and/or
obtainassistancefrom the CustomerSupport Departmentor
an authorizedservice dealer.
Model Number
Serial Number
P. O. BOX 361131
CLEVELAND,OH44136
www.yardman.com 330-220-4683
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 difficultyassemblingthis productor have anyquestions regardingthe controls, operationor maintenanceofthis unit,
you canseek help fromthe experts.Choosefrom the options below:
1. Visit www.yardman.comfor manyusefulsuggestions.Click the CustomerSupport menuoption.
2. Phonea CustomerSupport Representativeat 1-800-800-7310.
3. The enginemanufacturerisresponsiblefor all engine-relatedissueswith regardsto performance,power-rating,
specifications,warranty,and service. Pleasereferto the engine manufacturer'sOwner's/Operator's Manual,packedsepa-
ratelywith your unit,for more information.
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Sightandholdthis levelwith a verticaltree...
also
I
15°
RNING
This symbol points
i out important safety
instructionswhich, if
notfollowed, could
endangerthe personal
i safetyand/or property
I ofyourselfand others.
Readand follow all
instructionsinthis man-
ualbeforeattempting to
operatethis machine.
Failureto complywith
these instructionsmay
i resultin personalinjury.
i When youseethis
_symbol.
HEED ITS WARNING
Your
Responsibility
Restrictthe use
i ofthis powermachine
i to personswho read,
understand
andfollow the warnings
and instructions
inthis manual
andon the machine.
WARNING: EngineExhaust,some of itsconstituents,andcertain vehiclecompo-
nentscontain or emitchemicals knownto Stateof Californiato cause cancer and
birth defectsor other reproductiveharm.
DANGER: Thismachinewas builtto beoperatedaccordingto the rulesfor safe operationin this
manual.As with anytype of powerequipment,carelessnessor erroronthe part ofthe operatorcan
result inseriousinjury.This machine iscapableof amputatinghands andfeet andthrowingobjects.
Failureto observethe followingsafety instructionscould resultin serious injury or death.
Children
Tragicaccidentscanoccurifoperatorisnotalertto presence
ofchildren.Childrenareoftenattractedtomowerand mowing
activity.Theydonot understandthe dangers.Neverassume
thatchildrenwill remainwhereyoulastsawthem.
1. Keepchildrenoutofthe mowingareaand underwatchful
careofa responsibleadultotherthanthe operator.
2. Bealertandturnmoweroffif achildentersthearea.
3. Beforeandwhilemovingbackwards,lookbehindanddown
forsmallchildren.
4. Useextremecarewhenapproachingblindcorners,
doorways,shrubs,trees,orotherobjectsthatmayobscure
yourvisionofachildwhomayrunintothe mower.
5. Keepchildrenawayfromhotor runningengines.Theycan
sufferburnsfroma hotmuffler.
6. Neverallowchildrenunder14yearsoldto operateapower
mower.Children14yearsoldandovershouldreadand
understandoperationinstructionsandsafetyrulesinthis
manualandshouldbetrainedandsupervisedbyaparent.
General Operation
1. Readthis operator'smanualcarefullyin its entiretybefore
attemptingtoassemblethismachine.Read,understand,
andfollowall instructionsonthe machineandin the
manual(s)beforeoperation.Becompletelyfamiliarwith
thecontrolsandthe properuseofthis machinebefore
operatingit. Keepthis manualinasafeplaceforfuture
andregularreferenceandfor orderingreplacementparts.
2. Thismachineisaprecisionpieceof powerequipment,
nota plaything.Therefore,exerciseextremecautionat all
times.Yourunithas beendesignedto performonejob: to
mowgrass.Donotuseit foranyotherpurpose.
3. Neverallow childrenunder14yearsoldto operatethis
machine.Children14yearsoldand overshouldreadand
understandthe instructionsinthis manualandshould
betrainedand supervisedbya parent.Onlyresponsible
individualswhoarefamiliarwiththeserulesofsafe
operationshouldbeallowedto usethismachine.
4. Thoroughlyinspectthe areawherethe equipmentisto
beused.Removeall stones,sticks,wire,bones,toysand
otherforeignobjectswhichcouldbetrippedoveror picked
upandthrownbythe blade.Thrownobjectscancause
seriouspersonalinjury.Planyourmowingpatternto avoid
dischargeof materialtowardroads,sidewalks,bystanders
andthe like.Also,avoiddischargingmaterialagainsta
wallorobstructionwhichmaycausedischargedmaterial
toricochetbacktowardtheoperator.
5. Tohelpavoidbladecontactora thrownobjectinjury,
stayinoperatorzonebehindhandlesandkeepchildren,
bystanders,helpers,and petsat least75feetfrommower
whileit is inoperation.Stopmachineifanyoneenters
area.
6. Alwayswearsafetyglassesor safetygogglesduringopera-
tionandwhile performinganadjustmentor repairtoprotect
youreyes.Thrownobjectswhich ricochetcancauseserious
injurytothe eyes.
7. Wearsturdy,rough-soledworkshoesandclose-fitting
slacksandshirts. Shirtsand pantsthatcoverthe armsand
legsandsteel-toedshoesarerecommended.Neveroperate
thismachineinbarefeet,sandals,slipperyor lightweight
(e.g.canvas)shoes.
8. Donotputhandsorfeetnearrotatingpartsor undercutting
deck.Contactwithbladecanamputatehandsandfeet.
9. Amissingor damageddischargecovercancause blade
contactor thrownobjectinjuries.
10.Manyinjuriesoccurasa resultofthe mowerbeingpulled
overthefoot duringafall causedbyslippingortripping.
Do notholdontothe mowerifyouarefalling;releasethe
handleimmediately.
11.Neverpullthe mowerbacktowardyouwhileyouare
walking.Ifyoumustbackthe mowerawayfromawallor
obstructionfirstlookdownand behindtoavoidtrippingand
thenfollowthesesteps:
a. Stepbackfrommowertofully extendyourarms.
b. Besureyouarewellbalancedwithsurefooting.
c. Pullthe mowerbackslowly,no morethanhalfway
towardyou.
d. Repeatthesestepsas needed.
12.Do notoperatethe mowerwhileunderthe influenceof
alcoholordrugs.
13.Do notengage theself-propelledmechanismon unitsso
equippedwhilestartingengine.
14.Thebladecontrolhandleisasafetydevice.Neverattempt
tobypassitsoperation.Doingso makesthe safetydevice
inoperativeandmayresultin personalinjurythrough
contactwiththe rotatingblade.Thebladecontrolhandle
mustoperateeasilyin bothdirectionsandautomatically
returntothe disengagedpositionwhenreleased.
15.Neveroperatethe mowerinwet grass.Alwaysbesureof
yourfooting. Aslipand fall cancauseseriouspersonal
injury.If youfeelyouarelosingyourfooting,releasethe
bladecontrolhandleimmediatelyand the bladewillstop
rotatingwithinthreeseconds.
16.Mowonlyin daylightor goodartificiallight.Walk,neverrun.
17.Stopthe bladewhencrossinggraveldrives,walksor roads.
18.If theequipmentshouldstartto vibrateabnormally,stopthe
engineandcheckimmediatelyfor the cause.Vibrationis
generallya warningoftrouble.
19.Shutthe engineoff andwait untilthe bladecomesto a
completestop beforeremovingthe grasscatcheror unclog-
gingthechute.
4
The cuttingbladecontinuesto rotatefor afewsecondsafter
the engineisshutoff. Neverplaceany partofthe bodyin
the bladearea untilyouaresurethe bladehasstopped
rotating.
20. Neveroperatemowerwithoutpropertrailshield,discharge
cover,grasscatcher,bladecontrolhandle,or othersafety
protectivedevicesin placeandworking.Neveroperate
mowerwithdamagedsafetydevices.Failuretodo socan
resultin personalinjury.
21. Mufflerandenginebecomehotandcan causeaburn.Do
nottouch.
22.Only usepartsandaccessoriesmadeforthismachineby
manufacturer.Failuretodo socanresultinpersonalinjury.
23. Ifsituationsoccurwhicharenotcoveredin thismanual,
usecareand goodjudgment.Contactyourdealerfor
assistance.Telephone1-800-800-7310forthe nameofyour
nearestdealer.
Slope Operation
Slopesareamajorfactorrelatedto slipandfallaccidentswhich
can resultinsevereinjury.Operationonslopesrequiresextra
caution.Ifyoufeeluneasyon aslope,do notmowit.Foryour
safety,usetheslopegaugeincludedaspartofthismanualto
measureslopesbeforeoperatingthisunitonaslopedor hilly
area.Iftheslopeisgreaterthan15degrees,donot mowit.
Do:
1. Mowacrossthe faceofslopes;neverup anddown.
Exerciseextremecautionwhenchangingdirectionon
slopes.
2. Watchfor holes,ruts,rocks, hiddenobjects,or bumpswhich
can causeyouto slipor trip. Tallgrasscanhideobstacles.
3. Alwaysbesureofyourfooting.A slip andfall cancause
seriouspersonalinjury.Ifyoufeelyouarelosingyour
balance,releasethe bladecontrolhandleimmediately,and
the bladewill stoprotatingwithin3seconds.
Do Not:
1. Donot mowneardrop-offs,ditchesorembankments,where
you couldloseyourfootingor balance.
2. Donot mowslopesgreaterthan 15degreesasshownon
the slopegauge.
3. Donot mowon wetgrass.Unstablefootingcouldcause
slipping.
Service
Safe HandlingOf Gasoline:
1. To avoidpersonalinjury orpropertydamageuseextreme
care inhandlinggasoline.Gasolineisextremelyflammable
andthevaporsareexplosive.Seriouspersonalinjurycan
occurwhengasolineisspilledonyourselforyourclothes
whichcanignite.
2. Washyourskinandchangeclothesimmediately.
3. Useonlyanapprovedgasolinecontainer.
4. Neverfillcontainersinsidea vehicleoron atruckor trailer
bedwitha plasticliner.Alwaysplacecontainersonthe
groundawayfromyourvehiclebeforefilling.
5. Removegas-poweredequipmentfromthe truck ortrailer
andrefuelit onthe ground.Ifthisis notpossible,thenrefuel
suchequipmentonatrailerwitha portablecontainer,rather
thanfroma gasolinedispensernozzle.
6. Keepthe nozzlein contactwiththe rimofthefueltankor
containeropeningat alltimesuntilfuelingis complete.Do
notuseanozzlelock-opendevice.
7. Extinguishallcigarettes,cigars,pipesand othersources
ofignition.
8. Neverfuel machineindoorsbecauseflammablevaporswill
accumulatein thearea.
9. Neverremovegascap oraddfuelwhileengineishotor
running. Allowengineto coolatleasttwo minutesbefore
refueling.
10.Neveroverfillfueltank. Filltankto nomorethanY2inch
belowbottomoffiller neckto provideforfuelexpansion.
11.Replacegasolinecapandtightensecurely.
12.If gasolineis spilled,wipeitoff theengineand equipment.
Moveunittoanotherarea.Wait5minutesbeforestarting
engine.
13.Neverstorethe machineorfuel containernearanopen
flame,sparkor pilotlightasona waterheater,space
heater,furnace,clothesdryer,orothergas appliances.
14.Toreducefire hazard,keepmowerfreeofgrass,leaves,
orother debrisbuild-up.Cleanupoil orfuelspillageand
removeanyfuel soakeddebris.
15.Allowamowertocoolat least5 minutesbeforestoring.
GeneralService:
1. Neverrunanengineindoorsorin apoorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,anodorlessand
deadlygas.
2. Beforecleaning,repairing,or inspecting,makecertainthe
bladeandall movingpartshavestopped.Disconnectthe
sparkplugwireandgroundagainstthe engineto prevent
unintendedstarting.
3. Checkthe bladeandenginemountingboltsatfrequent
intervalsfor propertightness.Also,visuallyinspectbladefor
damage(e.g.,bent,cracked,worn)Replacebladewiththe
originalequipmentmanufacture's(O.E.M.)bladeonly,listed
inthismanual."Useof partswhichdo notmeetthe original
equipmentspecificationsmayleadto improperperformance
andcompromisesafety!"
4. Mowerbladesaresharpandcancut.Wrapthebladeor wear
gloves,anduseextracautionwhenservicingthem.
5. Keepallnuts,bolts,andscrewstightto besurethe equip-
mentis insafeworkingcondition.
6. Nevertamperwithsafetydevices.Checktheirproperopera-
tionregularly.
7. Afterstrikingaforeignobject,stopthe engine,discon-
nectthesparkplugwireandgroundagainsttheengine.
Thoroughlyinspectthe mowerforanydamage.Repairthe
damagebeforestartingandoperatingthe mower.
8. Neverattemptto makeawheelor cuttingheightadjustment
whiletheengineis running.
9. Grasscatchercomponents,dischargecover,andtrail
shieldaresubjecttowearanddamagewhichcould expose
movingpartsor allowobjectsto bethrown.Forsafety
protection,frequentlycheckcomponentsandreplaceim-
mediatelywithoriginalequipmentmanufacturer's(O.E.M.)
partsonly,listedinthis manual."Useofpartswhich do
notmeetthe originalequipmentspecificationsmayleadto
improperperformanceandcompromisesafety!"
10.Do notchangetheenginegovernorsettingor overspeedthe
engine.Thegovernorcontrolsthe maximumsafeoperating
speedoftheengine.
11.Maintainor replacesafetylabels,asnecessary.
12.Observeproperdisposallawsandregulations.Improper
disposaloffluidsandmaterialscanharmtheenvironment.
5
Practices
WARNING
Thissymbol points
out importantsafety
instructionswhich, if
notfollowed,could
endangerthe personal
safety and/or property
of yourselfand others.
Readand followall
instructions inthis man-
ual beforeattemptingto
operatethis machine.
Failuretocomply with
these instructionsmay
result inpersonalinjury.
Whenyou see this
symbol.
HEED iTS WARNING
Your
Responsibility
Restrictthe use
ofthis powermachine
to personswho read,
understand
and follow thewarnings
and instructions
inthis manual
and onthe machine.
NOTE:Standbehind
themowerasifyou
weregoingtooperate
it.Yourrighthand
i correspondstotheright
i sideofthemower;your
lefthandcorresponds
i totheleftsideofthe
mower.
i NOTE:Forshipping
purposesyourmower
i issetwiththewheels
" ina lowcutting
heightposition. For
bestresults raisethe
cutting positionuntil it
i is determinedwhich
height isbestfor your
i lawn.See Adjustment
i section,
IMPORTANT
DO NOTcrimp the
cableswhenliftingthe
i handle up.
IMPORTANT
Thisunit isshipped
iwithout gasolineor oil
i inthe engine. Fill up
gasolineandoil as
i instructedin the accom-
panyingengine manual
BEFOREoperatingyour
mower.
Figure3-1:Lifthandleandtightenhardware.
f
\
J
Figure3-2:Securehandletohandlemountingbrackets.
1. Removegrasscatcherandanypackingmaterial
whichmaybe betweenupperand lowerhandles.
a. Removehandknobsfromhandlemounting
bracketsand pullupandbackonupperhandle
asshownin Figure3-1.Makecertainthelower
handleisseatedsecurelyintothehandlemounting
brackets.
.
3.
.
.
b. Tightenhandknobstosecureupperhandleto
lowerhandle.Makesurethateachcarriageboltis
seatedproperlyin thehandle.
Replaceandtightenhandknobsremovedearlierto
securelowerhandletohandlebrackets,Figure3-2.
Theropeguideisattachedtotherightsideofthe
upperhandle.Loosenthewingnutwhichsecuresthe
ropeguide,Figure3-3.
a. Holdthebladecontrolagainstupperhandle.
b. Pullstarterropeoutoftheengine.Releasethe
bladecontrol.
c. Slipstarterropeintoropeguide.
d. Tightenwingnut.
Securecablestothelowerhandlewiththecabletie
alreadyonthe lowerhandle.Insertpegoncabletie
intotheholeonthe lowerhandle.Pullcabletiestight
andcutoff excess.
Followthestepsbelow,if needed,toassemblethe
grasscatcher,Figure3-4.
a. Placebagoverframesothatits blackplasticside
isatthebottom.
b.
Slipplasticchanneloverhooksontheframe.
Alltheplasticchannelsexceptcentertopofbag
attachfromoutsideofbag.
c. Attachcentertopofbagfrominsideof bag.
6. Beforeattachingthegrasscatcher,themulching
bafflemustbe removed,Figure3-5.
a. Lift reardischargedoor.
b. Removemulchingbaffle.
Thegrass
bagonyour
unitmaybe
assembled.
Figure3-3:Pullrecoilstarterthroughropeguideandtighten. Figure3-4:Grassbagassembly(ifneeded)
6
Followstepsbelowtoinstallthegrasscatcher,
Figure3-6.
a. Liftreardischargedoor.
b. Placegrasscatcheron thepivotrod.Letgo
ofdischargedoorsothat itrestson thegrass
catcher.
_ WARNING: Never operate mowerunless the hooks on the grass catcher
are firmly seated in the slots on
the handle bracket assemblies, and the rear
discharge door restsfirmly against top of the
grass catcher.
.
Followstepsbelowtoinstallthemulchingbaffle:
a. Liftthereardischargedoorandlift thegrass
catcherupandoff ofthepivotrod,if installed.
b. Insertthemulchingbaffleasshownin Figure3-5
and releasethereardischargedoor.
/
/ .............
Figure3-5:Themulchingbaffle
Figure3-6:Liftdischargedoorandplacegrasscatcheron rod.
Adjustments
Cutting Height
Thecuttingheightadjustmentleveris locatedabovethe
rearleftwheel,Figure3-7.
a. Pulltheleveroutandawayfromthemower.
b. Movethe leverforwardor backfordesiredcutting
height.
c. Releaselevertowardsmowerdeck.
Drive Control
Theadjustmentwheelislocatedin thedrivecontrol
handlehousingandis usedtotightenor loosenthe
drivebelt.Youwillneedtoadjustthedrivecontrolif
themowerdoesnotpropelitselfwiththedrivecontrol
engagedor ifthedrivewheelshesitatewiththedrive
controlengaged.
If eitheroftheseconditionsoccur,rotatetheadjustment
wheelclockwisetotightenthecableandcounter-
clockwisetoloosenthecabletoadjustthedrivecontrol,
Figure3-8.
Figure3-7:Thecuttingheightadjustmentlever. Figure3-8:Theadjustmentwheelonthedrivecontrol.
7
CUTTINGHEIGHT
For rough oruneven
lawns; move theheight
adjustment leverto a
higher positon. Thiswill
help preventscalping of
thegrass.
DRIVE CONTROL
Forsomepeoplethe
drive contioI maynot
bein a comfortable
theadjustmentwheel:
WARNING
Never operatemower
unless the hooks on
the grass catcherare
firmly seated in the
on the handle
bracket assemblies,
and the rear dis:
e door rests
firmly against top of
the grass catcher,
MoWer
WARNING
Thebladecontrolisa
safetydevice.Never
attemptto bypassits
operations.
Useextremecarewhen
;handlinggasoline.
Gasoline is extremely
flammable and the
vapors are explosive.
Neverfuel the machine
i indoors or while the
;engineishotor running.
Exhngwsh c_garettes,
cigars, pipes, and other
sources of ignition.
Keep hands and feet
away from the cutting
deck. Referto warning
label on the unit.
Know Your Lawn Mower
DriveControl
BladeConlrol
Drive
Control
Lever
RecoilStarter=--_
NeiohtAdjustmentLever
GrassBao
,/
//
GasolineFiii
Figure4-1:Themajorpartsonthelawnmower.
Now that you have set up your lawn mower for
operation, read this section to become acquainted
with its controls and features. This knowledge will
allow you to use your new equipment to its fullest
potential.
Blade Control
The blade control is attached to the upper handle.
Depress and squeeze it against the upper handle
to operate the unit. Release it to stop engine and
blade.
_ ARNING:Thisblade controlisa safety
device.Donot bypass itsoperations.
Drive Control Lever
The drive control is located on the upper handle.
Squeeze the drive control lever to engage the drive
system. Release it to disengage the drive system.
To slow down when approaching an obstacle, mak-
ing a turn, or stopping, release the lever.
Cutting Height Adjustment Lever
The cutting height adjustment lever is located above
the left rear wheel. To adjust the cutting height, refer
to the Adjustment Section.
Recoil Starter
The recoil starter is attached to the right upper
handle. Stand behind the unit and pull the recoil
starter rope to start the unit.
Gas and Oil Fill-lip
1. Check oil level and add oil if necessary. Follow engine
manual for this. See Figure 4-1 for location of the oil
fill.
2. Servicetheenginewithgasolineasinstructedinthe
enginemanual.SeeFigure4-1forlocationofgasfill.
,_i= WARNING:Useextremecarewhen
handling gasoline. Gasolineisextremely
flammable and thevaporsare explosive.
Neverfuel the machineindoorsor while
the engineishot or running. Extinguish cigarettes,
cigars,pipes, and other sourcesof ignition.
8
_ ARNING:The operationof any lawn
mowercanresult in foreign objects being
thrownintothe eyes,whichcandamage
youreyesseverely.Alwayswearsafety
glasses whileoperatingthe moweror whileperform-
inganyadjustmentsor repairson it.
Starting Engine
_ WARNING:Be sureno one otherthanthe
operatorisstandingnear the lawnmower
whilestartingengineoroperating mower.
Neverrunengineindoorsorin enclosed,poorly
ventilatedareas.Engineexhaustcontainscarbon
monoxide, an odorlessand deadlygas. Keephands,
feet,hairand looseclothingawayfromanymoving
partsonengineand lawnmower.
1. Pushprimerthreetimes.Waitabouttwoseconds
betweeneachpush,Figure4-2.Intemperatures
around55°For below,primefivetimes.Donotprime
to restarta warmengine.
2. Standingbehindthe mower,squeezethebladecontrol
againstupperhandle,Figure4-2.
3. Grasprecoilstarterhandleand pullropeoutwitha
rapid,continuous,fullarmstroke,Figure4-2.Keeping
a firmgripon thestarterhandle,lettheroperewind
slowly.Repeatuntilenginecranks.Lettheroperewind
eachtime slowly.
Stopping Engine
1. Releasebladecontroltostoptheengineand blade.
2. Disconnectsparkplugwirefromsparkplugand
groundagainsttheengine.
_k ARNING:Waitfor the bladeto stop
completely beforeperforminganywork
on the mower or to removethe grass
catcher.
UsingYour Lawn Mower
_ ARNING:Neveroperateyourmower
without eitherthe reardoor or theentire
grass catcher assembly firmly secured.
Besurelawnisclearof stones,sticks,wire,or other
objectswhichcoulddamagelawnmowerorengine.
Suchobjectscouldbe accidentlythrownbythemower
in anydirectionandcauseseriouspersonalinjurytothe
operatorandothers.
Figure4-2:Startingthemower.
_L ARNING:If you strikea foreign object,
stop the engine. Removewire from the
spark plug,thoroughly inspectmower
for anydamage,and repairdamage
before restarting and operating. Extensive vibra-
tion of mowerduring operation isan indicationof
damage.Theunit should be promptlyinspectedand
repaired.
1. Oncetheengineis running,squeezethedrive
controlagainsttheupperhandleto propelmower.
2. Toengageblade,squeezebladecontrolagainstthe
upperhandle.
3. Forbest results,do notcut wetgrassand never
cutoff morethanone-thirdofthetotallengthofthe
grass.
Using as Mulcher
Formulchinggrass,removethegrasscatcherfromthe
mowerandinstallthemulchbaffle,page7.
• Foreffectivemulching,do notcut wetgrass.New
orthickgrassmayrequirea narrowercut.Adjust
groundspeedaccordingtoconditionoflawn.
• If thegrasshasbeenallowedto growinexcessof
4 inches,mulchingisnotrecommended.Usethe
grasscatchertobagclippingsinstead.
Using Grass Catcher
Youcanusethegrasscatchertocollectclippingswhile
youareoperatingthemower.
1. Attachgrasscatcherfollowinginstructionson page
7.Grassclippingswillautomaticallycollectinbagas
yourunmower.Operatemowertillgrassbagisfull.
2. Stopenginecompletelybyreleasingtheblade
control.Makesurethattheunithascometoa
completestop.
3. Liftdischargedoorandpullgrassbagup andaway
fromthe mowerto removethebag.Disposeofthe
grassclippingsand reinstallthebagwhencomplete.
MoWer
i!ii! iiiiiiii i_ ii iiii if!fill(
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 oper-
ating mower. Never
run engine indoors or
in enclosed, poody
ventilated areas. En-
gine 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.
9
" Lubrication
Maintaining
Your LaWn
Mower
:WARNING
A ,aysstopengine,
disconnect spark plug,
and greund against
engine before cleaning,
lubricating 0r d0ing any
kind of maintenance on
your machine,
IMPORTANT:We do
not recommend the use
of pressure washers or
a garden hose to clean
your unit. These may
cause damage to electric
components, spindles,
pulleys, bearings, or the
engine.The use of water
will result in shortened life
and reduceserviceability.
Figure5-1:Lubricationareasonthemower.
Figure5-2:Replacingtherearflap.
General Recommendations
• Alwaysobservesafetyruleswhenperforming
anymaintenance.
• Thewarrantyon thislawnmowerdoesnotcover
itemsthathavebeensubjectedtooperatorabuse
ornegligence.Toreceivefullvaluefromwarranty,
operatormustmaintainthelawnmoweras
instructedhere.
• Changingofengine-governedspeedwillvoid
enginewarranty.
• Alladjustmentsshouldbecheckedat leastonce
eachseason.
• Periodicallycheckallfastenersand makesurethese
aretight.
__1 ARNING:Alwaysstopengine,
disconnect spark plug, and ground
against engine beforeservicing the
unit.
1. Lubricatepivotpointson thebladecontrolatleast
oncea seasonwithlightoil.Thebladecontrolmust
operatefreelyinbothdirections,Figure5-1.
2. Lubricatethewheelsatleastoncea seasonwith
lightoil (ormotoroil). If wheelsareremovedforany
reason,lubricatesurfaceoftheaxleand innersurface
ofthewheelwith lightoil,Figure5-1.
3. Lubricatethetorsionspringandpivotpointontherear
dischargedoorperiodicallywithlightoil toprevent
rust,Figure5-1.
4. Thetransmissionis pre-lubricatedandsealedatthe
factoryanddoesnotrequirelubrication.
5. Followtheaccompanyingenginemanualforlubrica-
tionscheduleandinstructionforenginelubrication.
Deck Care
1. Disconnectsparkplugwire.Draingasolinefromlawn
mowerorplacea pieceof plasticunderthegascap.
2. Tipmowersothat itrestsonthe housing.Keepthe
sidewiththeaircleanerfacingup.Holdmowerfirmly.
__IL WARNING:Nevertip the mower more
than 90degrees inany directions and
do not leavethe mower tipped for any
lengthof time. Oil can drain intothe
upper partof the engine causing a starting problem.
3. Scrapeandcleantheundersideofthedeckwitha
suitabletool.Donotspraywithwater.
4. Putthemowerbackonits wheelsontheground.If
youhadputplasticunderthegascapearlier,make
sureto removeitnow.
Engine Care
1. Maintainoil levelasinstructedin enginemanual.
2. Serviceaircleanerevery25 hoursundernormal
conditions.Cleaneveryfewhoursunderextremely
dustyconditions.Refertoenginemanual.
3. Cleansparkplugand resetthegaponcea season.
Checkenginemanualforcorrectplugtype andgap
specifications.
4. Cleanengineregularlywitha clothorbrush.Keepthe
coolingsystem(blowerhousingarea)cleantopermit
properaircirculation.Removeall grass,dirt, and
combustibledebrisfrommufflerarea.
Replacing Rear Flap
1. Lift upreardoor.
2. Bend(bow)therearflapinwardon eachsideto
releasetabsfromtheholesin thehandlemounting
brackets,Figure5-2.
3. Replacewith newflapbybendingtherearflapand
slidingintoplace.
10
B
f
&
\
Figure5-3:Removebolt,bellsupport,blade,andadapterto
gainaccesstotheblade.
Figure5-4:Loosenthescrewthatholdsdeckbaffleontodeck.
Blade Care
_ ARNING:Whenremovingcutting
bladefor sharpeningor replacement,
protectyour handswith a pairof heavy
glovesor usea heavy ragto hold blade.
1. Disconnectsparkplugwirefromsparkplug.Turn
moweron itssidemakingsurethattheairfilterand
thecarburetorareup.
2. Removebolt,bladebellsupport,blade,andblade
adapterfromtheenginecrankshaft,Figure5-3.
NOTE:Whenremovingtheblade,bladeadapter,etc.,be
carefulnottoremoveorlosepartsaboveitassociated
withtheenginepulley.
3. Thebladecanbe sharpenedwitha fileor ona grind-
ingwheel.Donotattempttosharpenthebladewhile
itisstillon themower.Whensharpeningblade,follow
originalangleofgrind.Grindcuttingedgesequallyto
keepbladebalanced.
4. Removebladefromtheadapterfortestingbalance.
Balancethebladeona roundshaftscrewdriverto
check.Removemetalfromthe heavysideuntilit
balancesevenly.
l_lll=ll ARNING:An unbalancedblade
willcauseexcessivevibrationwhen
rotatingat high speeds,itmay cause
damageto mower,and couldbreak
causingpersonalinjury.
5. Lubricatetheenginecrankshaftandtheinnersurface
ofthebladeadapterwithlightoil.Slidetheblade
adapterontotheenginecrankshaft.Placetheblade
on theadaptersuchthat thesideoftheblademarked
"Bottom"(orwithpartnumber)facesthegroundwhen
themowerisin theoperatingposition.Makesurethat
bladeisalignedandseatedon bladeadapterflanges.
6. Placebladebellsupportontheblade.Alignnotches
on thebladebellsupportwithsmallholesinblade.
Replacehexboltandtightenhexbolttotorque:450
in.Ibs.rain.,600 in.Ibs.max.
Toensuresafeoperationof yourmower,periodically
checkthebladeboltforcorrecttorque.
Belt Care
1. Disconnectthesparkplugwireandgrounditagainst
theengine.
2. Drainthefueltankor placea pieceof plasticbeneath
thecaptopreventgasolineleakage.
3. Tipmoweronits side(air cleanersideofengineup).
4. Removeblade,adapter,andrelatedhardwareas
instructedunder"BladeCare"above.
5.
Loosenself-tappingscrewthat securesdeckbaffleto
thedeck,Figure5-4.
"_., J
Figure5-5:Removebeltfromtransmissionandenginepulley.
Maintaining
ur LaWn
WARNING
When removing
the cuttingblade
for sharpening or
replacement or
when sliding the belt
around it, protect
your hands with a
pairof heavy gloves
or use a heavy rag to
hold the blade.
An unbalanced blade
will cause excessive
vibrationwhen rotat-
ing at high speeds, it
may cause damage
to mower, and could
break causing per-
sonal injury.
11
NOTE: Whenreplacing
thebelt,Checkthatthe
newly installedbeltis
Seated Correctlyandis
ridingsmoothlyonthe
enginepulley
,i! ii i i I
6. a. Workingfromtherearofthemower,carefully
removebeltfromtransmissionpulley.
b. Oncebeltisoff transmissionpulley,pushdownon
deckbaffletoaccessenginepulleyandslidebelt
offthis pulleyandoutfromunderthedeck,Figure
5.5.
7. Replacewith newbelt,workingitbetweenthedeck
andbaffle,firstaroundthetransmissionpulleyand
thentheenginepulley.
NOTE: Makecertainthatbeltis seatedcorrectlyand
thatitis ridingsmoothlyon theenginepulleyandisnot
pinchedbetweenthelowerand upperpulleyhalves.
.
9.
10.
Tightenself-tappingscrewsecuringdeckbaffle
loosenedearlier.
Replaceblade,bladeadapter,andassociated
hardware.Followinstructionsin BladeCaresection
forproperassembly.
Tipmowerbackontoitswheelsand removepieceof
plasticfromundergascap(if applicable).
Off-Season Storage
Thefollowingstepsshouldbe takentoprepareyourlawn
mowerforstorage.
• Cleanandlubricatemowerthoroughlyasdescribedin
thelubricationinstructions.
• Wedo notrecommendtheuseofa pressurewasher
orgardenhoseto cleanyourunit.
• Refertoenginemanualforcorrectengine
storageinstructions.
• Coatmower'scuttingbladewithchassisgreaseto
preventrusting.
• Storemowerina dry,cleanarea.Donotstorenextto
corrosivematerials,suchasfertilizer.
Whenstoringanytypeof powerequipmentin a poorly
ventilatedor metalstorageshed,careshouldbetakento
rust-prooftheequipment.Usinga lightoil or silicone,coat
theequipment,especiallycablesandall movingpartsof
yourlawnmowerbeforestorage.
12
NOTES
aintaining
n
Mower
13
For repairs beyond
the minor adjustments
listedhere, contact
an authorized service
!iiii iLi i iiiii I
i_i i i ii i i i
Problem Cause Remedy
Enginefails to start I ii Biadecontroldisengaged. Engage bladecontro!.
sparkplugWiredisconnected: i 21 c0nnect wiretosPa[kpiugl
Engineruns erratic
1. Sparkplugwireloose.
2. Blockedfuel lineor stalefuel.
3. Ventingascap plugged.
4. Wateror dirt infuel system.
5. Dirtyair cleaner.
6. Carburetorout ofadjustment.
1. Connectandtightensparkplugwire.
2. Cleanfuelline;filltank withclean,
freshgasoline.
3. Clearvent.
4. Drainfueltank. Refillwithfreshfuel.
5. Refertoenginemanual.
6. Refertoenginemanual.
Engineoverheats 1. Engineoil levellow. 1. Fillcrankcasewith properoil
I 2. Airflow restricted. 2. Removeblowerhousing
I andclean.
I 3. Carburetornotadjustedpropery. 3. Referto engne manua.
I I
Occasionalskips 1. Sparkpluggap tooclose. 1. Adjust gapto .030".
(hesitates)at 2. Carburetoridlemixtureadjustment 2. Referto enginemanual.
highspeed improperlyset.
Idlesnoorlv 1 Sparkplugfouled,faultyor gap I 1. Resetgapto .030"or replace
r i I too wide. sparkplug.
I 2. Carburetorimproperlyadjusted. 2 Referto enginemanual.
3. Drtyarceaner, . 3. Refertoengnemanua.
Excessive 1. Cuttingbladelooseor unbalanced. 1. Tightenbladeandadapter.Balance
Vibration blade.
2. Bentcuttingblade. 2. Seeanauthorizedservicedealer.
Mowerwill not I 1. Wetgrass. 1. Donot mowwhengrassiswet;wait
much _rass' f i , untillatertocut,
E uy _d,t I 2. Excessivelyhighgrass. I 2. Mowonceatahigh cuttingheight
q PP ) I then mowagainatdesiredheightor
I I makeanarrowercuttingpath,
I 3. Dub ado. 3. Sharpenor replaceblade.
Unevencut 1. Wheelsnotpositionedcorrectly. 1. Placeallfour wheelsin same
heightposition.
2. Dullblade. 2. Sharpenor replaceblade.
Mowerwill not I 1. Beltnotinstalledproperly. I 1. Checkbeltfor properpuleyinstallation
seIfpropeI ' andmovement.
I 2. Debrsclogg ngdriveoperation. 2, Stopengine,disconnectsparkplug
I wireand cleanoutdebris.
. 3. Damagedorworn belt. . 3. Inspectandreplacebelt.
14
Safety Labels Found On Your Lawn Mower
15
Safety
WARNING
DO NOT remove safety
(or any)labels from
mowerfor any reason,
f-\
_X
shown
reference
shown for
reference
16
1 754-04093 V-Belt
2 732-04338 SpringLever
3 720-0230 FoamGrip
4 717-04184A SpurGear,14T- LH
5 710-0599 TT Screw,1/4-20x0.50
6 750-04305A Spacer
7 749-04267 CrossBracket
8 687-02204 FrontBracketAssembly
9 731-05470 ClipSpacer
10 741-04136B SplitHexFlangeBearing
11 734-04087 FrontWheel
12 712-04065 FlangeLockNut,3/8-16
13 634-04213 RearWheel
14 710-04531 Screw,1/4-20x.39
15 717-04192A SpurGear,14T- RH
16 736-3084 FiatWasher
17 782-7551A WheelDustCover
18 748-04073C TransmissionBearingSupport
19 750-04317 ClipSpacer
20 716-0198 RetainingRing.875
21 687-02199 RearBracketAssembly
22 732-0320 ExtensionSpring
23 756-04151A Pulley,3.36OD
24 736-0105 BellWasher,.375x .870x .063
25 712-0411 HexLockNut,5/16-24
26 687-02205 HandleBracketAssemblyLH
27 715-0221 DowelPin
28 618-04378 TransmissionAssembly
29 687-02206 HandleBracketAssemblyRH
Parts List
To order replacement
parts, contact
1-800-800-7310 or visit
www.yardman.com
17
• \
i\
T
1tt
1 746-04265A DriveCable
2 735-04059 RubberGrommet
3 710-1667A Screw,#10-16x .750
4 747-1161A BladeControl
5 731-05390 LowerControlCover
6 731-05388 DriveControlLever
7 731-05389 UpperControlCover
8 731-1059 MountingCap
9 746-04213 ControlCable
10 749-04037 LowerHandle
11 725-0157 CableTie
12 732-04265 TorsionSpring,LH
13 710-0599 TT Screw,1/4-20x .500
14 787-01343 21-inchDeck
15 710-0654A TTScrew,3/8-16x 1.00
16 787-01346 DeckBaffle
17 756-04157B UpperEnginePulley
18 756-04156B LowerEnginePulley
19 736-0514 FlatWasher,.885x 1.850x .060
20 748-0376C BladeAdapter
21 710-1044 Screw,3/8-24x 1.50
22 736-0524B BladeBellSupport
23 742-0741 21" MulchingBlade
24 736-0513 SpringWasher,.890x 1.70x .048
25 750-1071 SleeveSpacer
26 710-0653 TT Screw,1/4-20x .375
27 731-05463 DeckBaffle
28 710-0260A CarriageBolt,5/16-18x.62
29 712-04063 FlangeLockNut,5/16-18
30 731-05462 Trailshield
31 731-05157 MulchPlug
32 731-05017A RearDoor
33 710-1241 Screw,1/4-15x 1.00
34 720-04072 StarKnob
35 732-04264 TorsionSpring,RH
36 711-04374 DoorPivotRod
37 647-04051 GrassCatcherFrame
38 664-04047 GrassCatcher
39 710-1174 CarriageBolt,5/16-18x2.00
40 720-0279 WingNut
41 710-1205 EyeBolt
42 749-04206 UpperHandle
Toorder replacement
parts, contact
1-800-800-7310
or visit
www.yardman.com
IMPORTANT
Fora properworking
machine,use Factory
Approved Parts.
V-BELTS arespecially
designedto engage
and disengagesafely.
A substitute (nonOEM)
V-Beltcan bedanger-
ous bynot disengaging
completely.
19
MANUFACTURER'S LiMiTED WARRANTY FOR
ThelimitedwarrantysetforthbelowisgivenbyMTDLLCwithrespectto
newmerchandisepurchasedandusedin theUnitedStates,itsposses-
sionsandterritories.
"MTD"warrantsthisproductagainstdefectsin materialandworkmanship
fora periodoftwo(2) yearscommencingonthedateoforiginalpurchase
andwill,atits option,repairor replace,freeofcharge,anypartfoundto
bedefectiveinmaterialsor workmanship.Thislimitedwarrantyshallonly
applyifthis producthasbeenoperatedandmaintainedinaccordance
withtheOperator'sManualfurnishedwiththeproduct,andhasnotbeen
subjectto misuse,abuse,commercialuse,neglect,accident,improper
maintenance,alteration,vandalism,theft,fire,water,ordamagebecause
ofotherperilor naturaldisaster.Damageresultingfromtheinstallationor
useofanypart,accessoryorattachmentnotapprovedbyMTDforuse
withtheproduct(s)coveredbythis manualwillvoidyourwarrantyasto
anyresultingdamage.
Normalwearpartsarewarrantedto befreefromdefectsinmaterialand
workmanshipfora periodofthirty(30)daysfromthedateof purchase.
Normalwearpartsinclude,butare notlimitedto itemssuchas: batteries,
belts,blades,bladeadapters,grassbags,riderdeckwheels,seats,snow
throwerskidshoes,shaveplates,augerspiralrubberandtires.
HOWTOOBTAINSERVICE:Warrantyserviceisavailable,WITH
PROOFOFPURCHASE,throughyourlocalauthorizedservicedealer.To
locatethedealerin yourarea,checkyourYellowPages,orcontactMTD
LLCatRO.Box361131,Cleveland,Ohio44136-0019,or call1-800-800-
7310or logon toourWebsiteatwww.mtdproducts.com.
Thislimitedwarrantydoesnot providecoverageinthefollowingcases:
a. Theengineorcomponentpartsthereof.Theseitemsmay
carrya separatemanufacturer'swarranty.Refertoapplicable
manufacturer'swarrantyfortermsandconditions.
b. Logsplitterpumps,valves,andcylindershavea separateone
yearwarranty.
c. Routinemaintenanceitemssuchaslubricants,filters,blade
sharpening,tune-ups,brakeadjustments,clutch adjustments,
deckadjustments,andnormaldeteriorationoftheexteriorfinish
duetouseorexposure.
d. Servicecompletedbysomeoneotherthananauthorizedservice
dealer.
e.
f.
g.
MTDdoesnotextendanywarrantyforproductssoldor
exportedoutsideoftheUnitedStates,its possessionsand
territories,exceptthosesoldthroughMTD'sauthorized
channelsofexportdistribution.
ReplacementpartsthatarenotgenuineMTDparts.
Transportationchargesand servicecalls.
No impliedwarranty, includinganyimpliedwarranty of merchant-
ability of fitness for a particularpurpose,applies after the applicable
periodof expresswritten warranty aboveas to the partsas identi-
fied. Noother expresswarranty, whetherwritten or oral, exceptas
mentionedabove,given by anypersonor entity,includinga dealer
or retailer,with respect to anyproduct,shallbind MTD.Duringthe
periodof the warranty, the exclusiveremedyisrepairor replacement
of the productas setforth above.
Theprovisionsas setforth inthis warrantyprovidethe soleand
exclusiveremedyarising from the sale.MTDshallnot be liable
for incidentalorconsequentialloss or damageincluding,without
limitation, expensesincurredfor substituteor replacement lawncare
servicesor for rentalexpensesto temporarily replacea warranted
product.
Somestatesdo notallowtheexclusionor limitationofincidentalor
consequentialdamages,or limitationson howlonganimpliedwarranty
lasts,sotheaboveexclusionsor limitationsmaynotapplytoyou.
Innoeventshallrecoveryofanykindbegreaterthantheamountofthe
purchasepriceoftheproductsold.Alterationof safety features of the
productshallvoid this warranty. Youassumetheriskandliabilityfor
loss,damage,or injurytoyouandyourpropertyand/ortoothersandtheir
propertyarisingoutofthemisuseor inabilitytousetheproduct.
Thislimitedwarrantyshallnotextendto anyoneotherthantheoriginal
purchaseror tothepersonforwhomitwaspurchasedasa gift.
HOWSTATELAWRELATESTOTHISWARRANTY: Thislimitedwar-
rantygivesyouspecificlegalrights,andyoumayalsohaveotherrights
whichvaryfromstatetostate.
IMPORTANT:OwnermustpresentOriginalProofofPurchasetoobtain
warrantycoverage.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136=0019; Phone: 1=800=800=7310
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Yard-Man 12AV829C755 Owner's manual
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- Lawnmowers
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- Owner's manual
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