MTD 550 Series Owner's manual

550 Series
MTD
Brand
MTD
Model
550 Series
Type
Owner's manual

This manual is also suitable for

Safety ®Assembly ®Operation oTips & Techniques ®Maintenance oTroubleshooting ®Parts Lists oWarranty
Gas Lawn Edger- Model Series 520 & 550
READ SAFETY RULES AND mNSTFIUCTmONS CAREFULLY BEFORE OPEFIATmON
Warning: Thisunitisequippedwithan internalcombustionengineandshouldnotbeusedon or nearanyunimprovedforest-covered,brush=
coveredor grass=coveredlandunlesstheengine'sexhaustsystemisequippedwitha sparkarrestermeetingapplicablelocalorstatelaws(ifany),
If a sparkarresterisused,itshouldbemaintainedineffectiveworkingorderbytheoperator,Inthe StateofCaliforniatheaboveisrequiredbylaw
(Section4442oftheCaliforniaPublicResourcesCode),Otherstatesmayhavesimilarlaws,Federallawsapplyonfederallands,A sparkarrester
forthemufflerisavailablethroughyournearestengineauthorizedservicedealeror contacttheservicedepartment,RO,Box361131Cleveland,
Ohio44136=0019,
PRINTEDIN U,S,A
MTD LLC, RO. BOX 361131 CLEVELAND, OHIO 44136-0019 FORMNO, 769=00527F
10/04/2004
This Operator's Manua_ is an important part of your new gas lawn edger, mtwH_ he_p you assemble,
prepare and maintain the unit for best performance. P_ease read and understand what it says.
Table of Contents
1. Safety Labels .................................................. 3
2. Safe Operation Practices ............................ 4-5
3. Setup & Assembly .......................................... 6
4. KnowYour Edger ............................................ 7
5. Operating Your Edger ..................................... 8
6. Making Adjustments ................................. 9-10
7. Maintaining & Servicing .......................... 11-12
8. Off-Season Storage ...................................... 12
9. Troubleshooting ............................................ 13
10. Parts List ................................................ 14-15
11. Warranty ...................................................... 16
Finding and Recording iVlodei Number
BEFOREYOU STARTASSEMBLINGYOUR NEW EQUIP=
MENT,pleaselocate themodel plateon theequipment and
copy the informationto thesample modelplate providedto
the righLYoucan locate the model plate by standingat the
operating positionand lookingdown at the rearof the gas
lawnedger.This informationwill be necessaryto usethe
manufacturer'sweb site and/or help from the CustomerSup=
port Departmentor an authorizedservice dealer.
F
Modem Number
www, mtdproducts,com
%.
Serial Number
MTD LLC
P.O. BOX 361131
CLEVELAND, OH 44136
330-220-4683
800-800-731 O
J
Customer Support
P_ease do NOTretum the unit to the retai_er from which it was
purchased, without first contacting Customer Support.
ifyou havedifficultyassemblingthis productor haveany
questions regardingthe controls,operation or maintenanceof
this unit, you can seek helpfrom theexperts. Choosefrom the
optionsbelow:
Click here to search our knowledge base.
Search by product, keyword, or phrase.
1. Visit mtdproducts.com for many usefulsuggestions.
Click on CustomerSupportbutton and youwill get thefour
options reproducedin this sampleto the right.Click onthe
appropriatebutton and help is immediatelyavailable.
2. Phonea Customer Support Representative
at 1(800)800=7310.
3. Theengine manufacturer is responsiblefor allengine°
related issueswith regardsto performance,power=rating,
specifications,warrantyand service. Please referto the
enginemanufacturer'sOwner's/Operator'sManual, packed
separatelywith your unit,for more
Login to check the status of your questions, modify
your inquiries, or update your personal profile.
Need local assistance? Click here to find authorized
service centers in your area.
2
Need a manual and/or parts list? Download
literature from recent model years.
r Labels
Pleasetakeamomenttoreviewyoursafetylabels.
__4=i=1"_V:V,Vl±_"-- -_.[o]IIV±_IIII_[_ L:]lr±Ym] -
3
i ii _ ii iii
manual.As with any typeof powerequipment,carelessnessor erroronthe partof the operatorcan
resultin seriousinjury.This machineis capableof amputatinghandsand feet and throwing objects.
, Failureto observethe following safetyinstructionscould resultin seriousinjury or death.
endangerthe personal
safetyand/or property
Children
Tragicaccidentscan occurifoperatorisnotalerttopresence
ofchildren.Childrenareoftenattractedto powerequipment
suchaslawnedgers.Theydonot understandthe dangers.
Neverassumethatchildrenwill remainwhereyoulastsaw
them.
1. Keepchildrenoutofthe mowingareaandunderwatchful
careof a responsibleadultotherthanthe operator.
2. Bealertandturnlawnedgeroff ifachildentersthearea.
3. Beforeandwhilemovingbackwards,lookbehindanddown
forsmallchildren.
4. Useextremecarewhenapproachingblindcorners,
doorways,shrubs,trees,orotherobjectsthat mayobscure
yourvisionofachildwhomayrunintothelawnedger•
5. Keepchildrenawayfromhot orrunningengines.Theycan
sufferburnsfroma hotmuffler.
6. Neverallowchildrenunder14yearsoldto operatean
edger•Children14yearsoldand overshouldreadand
understandoperationinstructionsandsafetyrulesinthis
manualandshouldbetrainedandsupervisedbya parent.
Operation
Safe HandlingOf Gasoline:
1. Toavoidpersonalinjuryor propertydamageuse
extremecarein handlinggasoline•Gasolineisextremely
flammableandthevaporsareexplosive.Seriouspersonal
injurycanoccurwhengasolineisspilledonyourselfor
yourclotheswhichcan ignite.
2. Washyourskin andchangeclothesimmediately.
3. Useonlyanapprovedgasolinecontainer.
4. Neverfill containersinsidea vehicleor onatruckortrailer
bedwith a plasticliner•Alwaysplacecontainersonthe
groundawayfromyourvehiclebeforefilling.
5. Removegas-poweredequipmentfromthetruckor
trailerandrefuelit onthe ground•Ifthisis notpossible,
thenrefuelsuchequipmenton atrailerwitha portable
container,ratherthanfroma gasolinedispensernozzle.
6. Keepthe nozzlein contactwiththe rimofthefuel tankor
containeropeningatalltimesuntilfuelingiscomplete.Do
notusea nozzlelock-opendevice•
7. Extinguishallcigarettes,cigars,pipesandothersources
ofignition•
8. Neverfuel machineindoorsbecauseflammablevapors
willaccumulateinthe area.
9. Neverremovegascap oraddfuel whileengineishot or
running•Allowengineto coolatleasttwominutesbefore
refueling•
12.Ifgasolineisspilled,wipeitofftheengineandequipment.Move
unittoanotherarea.Wait5minutesbeforestartingengine.
13.Neverstorethe machineorfuel containernearanopen
flame,sparkorpilotlightas onawaterheater,spaceheater,
furnace,clothesdryeror othergasappliances.
14.Toreducefire hazard,keeplawnedgerfreeofgrass,
leaves,or otherdebrisbuild-up•Cleanupoilor fuelspillage
andremoveanyfuelsoakeddebris•
15.Allowalawnedgerto coolatleast5minutesbeforestoring.
GeneralOperation:
1. Readthis operator'smanual carefullyin its entiretybefore
attemptingtoassemblethis machine•Read,understand,
andfollowallinstructionsonthe machineandin the
manual(s) beforeoperation.Becompletelyfamiliarwith
thecontrolsandthe properuseofthismachinebefore
operatingit.Keepthismanualin a safeplaceforfutureand
regularreferenceandfor orderingreplacementparts•
2. Thismachineisaprecisionpieceof powerequipment,not a
plaything•Therefore,exerciseextremecautionatalltimes.
Yourunithas beendesignedto performonejob: tomow
grass•Donotuse itfor anyotherpurpose.
3. Neverallowchildrenunder 14yearsoldto operatethis
machine•Children14yearsoldandovershouldreadand
understandthe instructionsinthismanualandshould
betrainedandsupervisedbya parent.Onlyresponsible
individualswhoarefamiliarwiththeserulesofsafe opera-
tionshouldbeallowedtousethis machine•
4. Tohelpavoidbladecontactorathrownobjectinjury,stayin
operatorzonebehindhandlesand keepchildren,bystand-
ers,helpersand petsatleast75feetfrom lawnedgerwhile
it isin operation.Stopmachineifanyoneentersarea•
5. Thoroughlyinspectthe areawherethe equipmentisto be
used.Removeallstones,sticks,wire, bones,toysandother
foreignobjectswhichcouldbetrippedoveror pickedup
andthrownbythe blade.Thrownobjectscancause serious
personalinjury•
6. Alwayswear safetyglassesor safetygogglesduringopera-
tionandwhile performinganadjustmentor repairtoprotect
youreyes•Thrownobjectswhichricochetcancauseserious
injurytothe eyes•
7. Wearsturdy,rough-soledworkshoesand close-fitting
slacksandshirts. Shirtsand pantsthatcoverthe armsand
legsandsteel-toedshoesarerecommended•Neveroperate
thismachineinbarefeet,sandals,slipperyor lightweight
(e.g.canvas)shoes.
8. Neverattemptto makeanyadjustmentswhilethe engine
and followthewarnings 10 Neveroverf fue tank F tankto nomorethan_Jznch
• is running exceptwnerespecmcallyrecommendedinthe
and nstructons belowbottomof fillerneckto provideforfuelexpansion, operator's'manua
_.L_.. _.... 11.Replacegasolinecap andtightensecurely•
i IH LHUI5m_HU_! i
and Onthe machin÷
..... ,J
4
9. Toavoidpersonalinjuryor propertydamageuseextreme
carein handlinggasoline.Gasolineis extremelyflammable
andthevaporsareexplosive.Seriouspersonalinjurycan
occurwhengasolineisspilledonyourselforyourclothes
whichcanignite.Washeryourskinand changeclothes
immediately.
10.Donotput handsor feet nearrotatingparts.Contactwith
the rotatingbladecan amputatehandsand feet.
11.The bladecontrolhandleisasafetydevice.Neverbypass
itsoperation.Doingso,makesthemachineunsafeandmay
causepersonalinjury.
12.Neveroperatewithoutbladeguard,debrisshieldandblade
controlhandlein placeandworking.
13.Neveroperatewith damagedsafetydevices.Failuretodo
so,can resultin personalinjury.
14.Neverrunanengineindoorsor ina poorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,an odorlessand
deadlygas.
15.Donotoperatemachinewhileunderthe influenceofalcohol
or drugs.
16.Mufflerandenginebecomehotandcancause aburn.Do
nottouch.
17.Neveroperatethismachinewithoutgoodvisibilityor light.
Alwaysbesureofyourfootingand keepafirm holdonthe
handles.Walk,neverrun.
18.Donotoperatethismachineif it hasbeendroppedor dam-
aged.Returnmachinetoyournearestauthorizedservicing
dealerfor examinationand repair.
19.Donotoperatethismachinewithadamagedor excessively
worncuttingblade.
20. Neverattempttoclearmaterialfromthe bladeguardwhile
the engineisrunning.Shutthe engineoff,disconnectthe
sparkplugwireandgroundagainsttheenginetoprevent
unintendedstarting.
21. Donotoverloadmachinecapacitybyattemptingtoedgeat
toofast ofa rate.
22.Stayalertfor unevensidewalks,terrainetc.Alwayspush
slowlyoverroughsurfaces.Do notusethismachineon
gravelsurfaces.
23. Donotoperatemachinein rain orwet soilconditions.
Alwaysoperatemachinefrombehindthe handlesand
positionyourselfwherethedirectline ofsighttocutting
bladeis blockedbyguards.
24.Alwaysstopenginewhen edgingor trimmingisdelayedor
whentransportingmachinefrom onelocationto another.
Neverleavea runningmachineunattended.Stopthe
engine,disconnectsparkplugwireandgroundagainstthe
enginetopreventunintendedstarting.
25.Only usepartsandaccessoriesmadefor thismachineby
the manufacturer.Failureto doso,canresultin personal
injury.
26. Ifsituationsoccurwhicharenotcoveredinthis manual,use
careandgoodjudgment.Telephone330_220-4683 or
1-800-800-7310 forCustomerSupportandthe nameof
yournearestdealer.
Service
1. Neverrunanengineindoorsor ina poorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,anodorlessand
deadlygas.
2. Beforecleaning,repairing,or inspecting,makecertainthe
bladeandall movingpartshavestopped.Disconnectthe
sparkplugwireandgroundagainsttheengineto prevent
unintendedstarting.
3. Checkthe bladeandenginemountingboltsatfrequent
intervalsfor propertightness.Also,visuallyinspectblade
fordamage(e.g.,bent,cracked,worn) Replacebladewith
theoriginalequipmentmanufacture's(O£.M.) bladeonly,
listedin thismanual.'Useof partswhich donotmeetthe
originalequipmentspecificationsmayleadto improper
performanceandcompromisesafety!"
4. Lawnedgerbladesaresharp andcancut.Wrapthe blade
orweargloves,anduseextracautionwhenservicingthem.
5. Keepallnuts,bolts,andscrewstight tobesurethe equip-
mentisin safeworkingcondition.
6. Nevertamperwithsafetydevices.Checktheirproper
operationregularly'.
7. Afterstrikinga foreignobject,stopthe engine,discon-
nectthe sparkplugwireandgroundagainsttheengine.
Thoroughlyinspectthe lawnedgerfor anydamage.Repair
thedamagebeforestartingandoperatingthe lawnedger.
8. Neverattempttomakea wheelorcuttingheightadjust-
mentwhilethe engineis running.
9. Manycomponentsonyournewedgercanwearwith
continueduse. Forsafetyprotection,frequentlycheck
alledgercomponentsand replaceimmediatelywith
originalequipmentmanufacturer's(O.E.M.)partsonly,
listedin this manual."Useofpartswhichdo notmeetthe
originalequipmentspecificationsmayleadtoimproper
performanceand compromisesafety!"
10.Donot changetheenginegovernorsettingor overspeed
theengine.Thegovernorcontrolsthemaximumsafe
operatingspeedoftheengine.
11.Maintainor replacesafetylabels,asnecessary.
12.Observeproperdisposallawsand regulations.Improper
disposaloffluidsand materialscanharmtheenvironment.
uaubefore attemptingto
resuUt in personaUinJury_
5
IM PORTANT:
UpperHandle
\
RopeGuide
Figure 1
HandKnobs
LowerHandle
WingKnob
UpperHandle
Figure 2
Securing the Handle
IMPORTANT:This unitisshippedWITHOUTGASOLINE.
Aftersettinguptheunit,serviceenginewithgasolineas
instructedin theseparateenginemanualpackedwithyour
unit. Besuretoserviceenginewiththeoilenclosedwith
thisunitasinstructedin theseparateenginemanual
NOTE: Referencetorightorleft handsideoftheedgeris
observedfromtheoperatingposition.
Positioning the Edger HandJes
1. Removeand discardanypackagingcardboardthat
maybepresentbetweentheupperhandleandthe
lowerhandle.
2. Depressthebladecontrolatthetopoftheupper
handleandpivottheupperhandleupwarduntilit
snapsintoplace.
3. Tightenthehandknobs,whichare locatedon boththe
leftand rightsidesof thehandle.SeeFigure2.
Attaching the Starter Rope
1. Locatetheropeguidefoundon therightsideofthe
upperhandle.
2. Loosen,butdo NOTremove,thewingknobwhich
securestheropeguideto theupperhandle.See
Figure1.
3. Standbehindtheunitand holdthebladecontrol
againsttheupperhandleandgentlypullthestarter
ropeoutof theengine.
WARNING: TheedgerMadeWiLL
rotate whenthe starter rope ispulled.
NOTE: Thestarterropewill notpulloutof
theengineunlessthebladecontrol(referto Figure1)
isdepressedagainsttheupperhandle.
1. S@thestarterropethroughthetopof theropeguide.
2. Retightenthewingknobwhichsecurestheropeguide
totheupperhandle.
6
Model550show here.
Figure 3
WARNING;
Befamiliarwith all controls and
theirproperoperation,Knowhow
to stopthe machine and disengage
them quicHy,
NOTE: RefertotheEngineManualpackedwithyour
edgerfora detaileddescriptionofallengine-related
controlsandcomponents.
Starter Rope / Recoil Starter
The pullrope/recoilstarteris usedtostarttheengine.
Primer
The primeris usedtopumpgasintothecarburetorand
aidin startingtheengine.Useittostarta coldengine,
butdo notuseittorestarta warmengineaftera short
shutdown.
NOTE: RefertotheEngineManualpackedwithyour
edgerfora detaileddescriptionofallengine-related
controlsandcomponents.
Blade Control
Locatedon theupperhandle,thebladecontrolmustbe
depressedagainsttheupperhandlein orderto operate
theunit.Releasingthebladecontrolstopstheengine
andtheedgerblade.SeeFigure3.
Blade Depth Control Lever
Thebladedepthcontrolleverislocatedon therightside
oftheupperhandle.It isusedtocontrolthedepthofthe
cut.Thefurtherforwardthebladedepthcontrolleveris
moved,thedeeperintothesoiltheedgerbladewillcut.
SeeFigure3.
Bevel Adjustment Lever (ifso equipped)
Thebeveladiustmentlever,ifsoequipped,is located
on thefront,leftportionoftheedger,behindtheedger
blade,It isusedtovarytheangleoftheedgerblade
betweenoneofthreepositionsforedging/trenchingor
bevelededging.SeeFigure3.
Curb Height Adjustment Lever
#f so equipped)
Thecurbheightadiustmentlever,ifsoequipped,is
foundon therearportionoftheedger,Whenplacedin
an applicablenotch,itaidsin stabilizingtheedgerwhile
edginggrassalonga curb.SeeFigure3.
IMPORTANT:Becomefamiliarwithall thecontrols
beforeoperatingtheedger.
Be familiar with all
controls and their
proper operation,
Know how to stop the
machine and disen-
gage them quickJy.
NOTE: Referto
theEngine Manual
packed withyour
edger for a detailed
descriptionof allen-
gine-related controls
and components.
IMPORTANT:
Becomefamilial with
allthe controlsbefore
operatingthe edger.
7
WARNING
Do not lower blade
if blade isover
concrete, asphalt,
rocks or the like. The
blade can strikethe
supporting surface,
resulting in personal
injury or property
damage.
Never fill fuel tank
indoors,with engine
runningor until the
engine has been
allowed to cool for
at least two minutes
after running.
This control mecha-
nism is a safety
device. Never attempt
to bypass its opera-
Lion,
Theoperationof anyedgercanresult
inforeignobjects beingthrown intothe
which canresultin severeeye
damage.Alwayswearsafetyglasses
or eyeshields.Werecommendwide
vision safetymaskfor overspectaclesor
standardsafetyglasses.
WARNING: Do not lower blade ifblade
isover concrete, asphalt, rocks or the
like. Theblade can strike the sup-
porting surface, resulting in personal
injuryor property damage.
Edging
Adding Gasoline And Oil
Servicetheenginewithgasolineandoil asinstructed
in theEngineManualpackedwithyouredger,Read
instructionscarefully,
WARNING: Neverfill fuel tank indoors,
with enginerunning or until the engine
has beenallowed to cool for atleast
two minutesafter running.
Starting The Engine
NOTE: Referto theEngineManualpackedwithyour
edgerfora detaileddescriph'onofall engine=related
controlsandcomponents.
Tostarttheedger'sengine,proceedasfollows:
1, Movethebladedepthcontrolleverbacktothe
STARTpositionin theadiacent(top)notch,
2, Depresstheprimerbulbthreetimes,pausingtwoto
threesecondsbetweeneachpush,Incoldweather
(below50°F/19°C),itmaybenecessaryto depress
theprimerbulbfouror fivetimes,
IMPORTANT:Usingtheprimertorestarta warm
engineaftera shortshutdownis usuallynotnecessary,
Doingsomayresultina floodedengine,
3, Standingbehindtheunit,depressthebladecontrol
andholditagainsttheupperhandlewithyourleft
hand,
WARNING: Thiscontrol mechanism
isa safety device. Neverattempt to
bypass itsoperation.
4, With yourrighthand,grasptherecoilstarterhandb
andslowlypulltheropeoutwarduntilenginereaches
thestartofits compressioncycle(theropewillpull
slightlyharderatthispoint),
5, Afterslowlyallowingtheropetorecoil,pulltherope
witha rapid,continuous,fullarmstroke,Keepa firm
griponstarterhandlethroughouttheentirestroke,
6, Allowthestarterhandbtoslowlyreturntotherope
guide,
NOTE: If theenginefailstostartafterthreepuffs,
depresstheprimeran additionaltwotimesbefore
pullingthestarterropeagain.
Tobeginedging,proceedasfollows:
1, Movetheunitovertotheareato beedged,making
surethatthebft rearwheelison a hardsurfaceand
thebladeisovertheareatobecut, SeeFigure4,
Figure 4
2, Movethebladedepthcontrolleverto theleftandplace
intothenextlowernotch, Thenmakea passalongthe
areatobeedgedbeforeproceedingtothe nextnotch,
Thefurtherforwardthebladedepthcontrolleveris
moved,thedeeperor lowerthebladewillcut intothe
ground, Severalpassesmaybenecessaryto obtain
thedesireddepthofcut, Donotlowertheblademore
thanonedepthnotchata timewithoutmakinga pass,
3, Forbestresults,proceedslowlyalongthepathbeing
edged,slowlymovingtheedgerbackandforththrough
thecuttingarea,againmakingsureto keeptheleft
rearwheelonthehardsurfaceandthebladeinthe
cuttingpath,closetobutnottouchingtheedgeofthe
hardsurface,
4, Onceyouhavereachedtheendofyourcuttingpath,
raisethebladecontrolleverbackintotheSTART
position,movetothe nextareatobecut,andproceed
againfromstep 1,
Stopping The Engine
Tostoptheedger'sengine,releasethebladecontrol
handle,
NOTE: Seeyourenginemanua/packedwithyourunitfor
moredetailedinstructions.
8
Edging Along A Curb
NOTE: Edgerfeaturesvarybymodel.All edgermodels
do NOTcomeequippedtoedgealongacurbnoristhere
a curbwheelkit availabletomodifyyouredgerif it was
notpurchasedequippedtodoso.
Onmodelssoequipped,theright,rearwheelofthe
edgercanbe loweredintooneoffivepositionstoease
thetaskofedgingalonga curb,
Toadiusttothe heightofthecurbwheel,proceedas
follows:
1, Lowertheright,rearwheelbymovingthecurbheight
adjustmentleverslightlytotheleft,SeeFigure5,
2, Pivottheright,rearwheelintoanapplicablepositionin
relationtotheheightofthecurbtobeedgedalong,
3, Releasethecurbheightadiustmentlevertolockthe
wheelin position,SeeFigure6,
4, Proceedbacktostep1 underEdgingatthebeginning
ofthispage,
NOTE: Severalpassesmaybenecessarytoobtainthe
desireddepthofcut. DonotIowerblademorethanone
depthnotchata time.
ustment Lever
Figure 5
LoweredPosition
Figure 6
9
BevelAdjustment NOTES:
NOTE: Edgerfeaturesvarybymode/.A// edgermodels
doNOTcomeequippedwitha bevel adjustmentnor
is therea beveladjustmentkit availabletomodifyyour
edgerifit wasnotpurchasedequippedtodo so.
Theangleoftheedgerbladecanbeadiustedbyplacing
thebeveladiustmentin oneofthreepositionsforedging
or bevelededging,SeeFigure7,
WARNING
Rotatingcutting blade
maythrow objects
causing personaJ
injury.Keepareaclear
of bystanders and do
not operatewithout
guards in place.
Figure 7
_L ARNING: Rotating cutting blade may
throw objects causing personalinjury.
Keeparea clearof bystanders and do
notoperate without guards in place.
Beveling
in orderto achievea bevellededge,setthebevel
adjustmentlever(referto Figure7) inthefirst(left hand)
orthird(righthand)notchto placetheedgerbladein
positionforbeveling,Seepositionsbelowin Figure8,
Left HandPosition
Right HandPosition
Beveted Edging Positions
Figure 8
10
_lb ARNING: Dwconnectthe spark plug
wire and ground against the engine
beforeperforming anyadjustment,
repairsor maintenance.
Lubrication
Engine
RefertotheEngineManualpackedwithyouredgerfora
detaileddescriptionofallengine=relatedservicespecs,
WheeW
Lubricatethewheelsandbearingsatleastoncea
seasonwitha lightoil,Alsoif thewheelsareremovedfor
anyreason,lubricatethesurfaceoftheaxleboltandthe
innersurfaceofthewheelwithlightoil
Pivot Points
Lubricatethepivotpointsonthebladecontrolbail,blade
depthcontrollever,andifapplicable,thebladeadiust=
mentlever,andcurbheightadiustmentleverwithlightoil
atleastoncea season,
Bearing Block
LubricatethebearingNeckoncea season,oras needed
bysimplyapplyingoil ateachendofthecoverplate,
SeeFigure9,
Lubricate
Figure9
Replacing the Edger Blade
WARNING: Theedger bladeissharp.
Wearleatherwork glovesto protect
your hands whenworking aroundthe
edger blade.
WARNING: Disconnectthe sparkplug
wire and ground against engine before
performing the following steps.
1, Workingin frontoftheedger,loosentheflangelock
nuton topofframe,allowingtheidlerpulleyassembly
topivotslightlyoutfromtheframe,SeeFigure10,
_ FlangeLock Nut
Flywheel '.................................................................................................................<--_'_/A! ti/___
Flat Side
of Be,t Assemb,y _VBSide Guar
Figure10
2, Withyourotherhand,carefullyreachunderthe rearof
theunitandremovethebeltfromaroundtheengine
flywheelpulley,
3, Removethespindlesheavesbeltguardbyremoving
thetwoself4appingscrewswhichsecureittothe
bladeplateassembly,
4, Usetwowrenches(onewrenchtopreventthe hex
boltheadfromspinningandtheotherto removethe
flangenut)toremovetheedgerblade,
RefertoFigure11,
Figure11
5, Removeanddiscardtheedgerbladebutretainthe
flangenut,
6, Installthereplacementedgerbladeandtheflangenut
removedearlier,
IMPORTANT:Usea torquewrenchtotightentheflange
nuttobetween37footqbs,and50footqbs,
7, Reinstallthespindlebeltguardwiththeselftapping
screwsremovedearlier,
8, Carefullyplacethedrivebeltbackontotheengine
flywheelpulley,andretightentheflangelocknuton
thetopoftheframe,
IMPORTANT:Makecertainthatthedrivebeltis
seatedcorrectlyonthebladespindleandthat itisriding
smoothlyonthespindlesheavesandis notpinched
betweenthem,Repeatthefirstthreestepsifthe beltis
pinched,
The edger blade
is sharp. Wear
Watherwork gtoves
to protect your hands
when working around
the edger blade
Disconnect the spark
plug wire and ground
against the engine
before performing
any adjustment,
repairs or mainte-
nance.
\
11
Replacina the Drive Belt 5 Workingfromthefrontoftheedger,p[acethebe[tonto
j thespindlesheaves route_tbackontothetwo_d[er
IMPORTANT:Toaid inreassemb[y,notetheorientation ..... _ tk...... t _,,,t_,th....... _ _h,,_,
ofthedrivebelton thetwoidlerpulleysandtheengine _[[_'y_........ P................ _..... ' ......
WARNING
Never operate the
edger without the
spindle sheaves belt
guard in place.
flywheelpulleypriortoperformingthefollowingsteps.
Referto Figure10.
Theedgerdrivebeltissubjecttowearandshouldbe
replacedifanysignsof cracking,shreddingor rotting
arepresent.Toreplacethebelt,proceedasfollows:
1. Workinginfrontoftheedger,loosentheflange
locknutontopofframe,allowingtheidlerpulley
assemblytopivotslightlyoutfromtheframe.See
Figure10.
2. With yourotherhand,carefullyreachunderthe
rearoftheunitandremovethebeltfromaroundthe
engineflywheelpulley.
3. Removethespindlesheavesbeltguardbyremoving
thetwoself=tappingscrewswhichsecureittothe
bladeplateassembly.SeeFigure10.
4. Carefullyremovethebeltfromoff ofthepulleys,
againmakingsureto notetheorientationofthebelt.
Discardthebelt.
IMPORTANT:Makecertainthat the"V"sideofthebelt
isseatedintothetoppulleyandthefiatsideofthe beltis
seatedintothebottompulley.
6. Reinstallthespindlesheavesbeltguardwiththeself
tappingscrewsremovedearlier.
7. Makecertainthat thedrivebeltison theengine
flywheelpulleyandidlerpulleys,andretightenthe
flangelocknuton thetopoftheframe.
IMPORTANT:Makecertainthat thedrivebeltis seated
correctlyand thatitis ridingsmoothlyon thespindle
sheavesandisnotpinchedbetweenthem.Repeatthe
firstthreestepsifthebeltispinched.
WARNING: Neveroperatethe edger
without the spindle sheavesbelt guard
in place.
Installthereplacementbelt(PartNo.754_04032B)inthe
sameconfigurationthattheoriginalbeltwasroutedas
follows:
Off-Season Storage
Observethefollowingwhenpreparingtheedgerfor
long-termstorage:
1. Cleanandlubricateunitthoroughlyasinstructedon
page11ofthis manual
2. RefertotheEngineManualpackedseparately
withtheedgerforenginemanufacturers'sstorage
instructions.
3. Coattheedgerbladewithchassisgreasetoprevent
rustingandcorrosion.
4. Storetheedgerin adry,cleanarea.Donotstorenext
toanycorrosivematerials,suchaslawnfertilizer.
5. Coattheedger,especiallyanyspringsandbearings
witha lightoil orsiliconespray.
IMPORTANT:Whenstoringanytypeof powerequipment
inan poorlyventilatedor metalstorageshed,careshould
betakento rustprooftheequipment.
12
Problem Possible Cause(s) Corrective Action
EnginefaiB to start Dirtyaircleaner Refertothe EngineManualpackedwithyourunit.
Engineneedsto beprimed Pushprimerbulbtwo or threetimes.
Fueltankempty Filltank withclean,freshgasoline.
Stalefuelin gasolinetank Draingasolineandrefilltankwithclean,freshgasoline.
Sparkplugwiredisconnected. Connectthe sparkplugwiretothesparkplug.
Sparkplugfouled Clean,adjustgapor replacesparkplug.
Engineflooded Refertothe EngineManualpackedwithyourunit.
Engineruns erratic
Sparkplugwireloose
Stalefuelin gasolinetank
Ventin gascapplugged
Wateror dirt infuelsystem
Dirtyaircleaner
Carburetoroutofadjustment
Connectandtightensparkplugwire.
Draingasoline& refilltankwith clean,freshgasoline.
Clearventofany debris.
Drainfueltank.Refillwith freshfuel.
Referto the EngineManualpackedwith yourunit.
Referto the EngineManualpackedwith yourunit.
m m _
EngineOverheats Engineoil levellow Fillcrankcasewith properoil.
Airflow restricted Cleantheareaaroundthe engine'scoolingfins.
Dirtyairfilter Replacetheengine'sairfilter.
Carburetornotadjustedproperly Referto the EngineManualpackedwith yourunit.
Excessive Vibration Edgerbladebentordamaged Replaceedgerblade.
Bladespindlebentordamaged Contactan authorizedMTDservicedealer.
DrivebeltSlips Beltwornor stretched Replacedrivebelt.
Forparts and/or
accessories please
call 1-330-220-4683,
or 1-800-800-7310
www.mtdproducts.com
13
B
U
PartLmst.
SpindleAssembmy
Model 550 & 520
Model520
TfioStarBlade
PLEASE NOTE: Edger
features and compo=
nents vary by model.
NOT all parts listed
here and pictured on
this page are standard
equipment.
For parts and/or
accessoriesplease
carl 1-330-220=4683,
or 1=800-800-F310
www.mtdproducts.com
u
V=BELTSarespeciallydesignedto engageanddisen=
gagesafely,Asubstitute(non=OEM)V=Beltcan
bedangerousbynotdisengagingcompletely,
1 687=02126 BladePlateAssembly 15 747=04110 BladeAdiustmentRod
2 710=04389 HexScrew,5/16=18 16 750=04105 Spacer,,63x 1,12x 1,06
3 710=0599 Self=tappingScrew,1/4=20 17 750=0547 Spacer,,64x,88x,50
4 710=1143A HexScrew,5/8=18 18 754=04032B Belt
5 712=0417A FlangeNut,5/8=18 19 756=0449 Sheave
6 714=3010 CotterPin3/32x,625 20 781=0080 Blade
7 718=04012 BearingCup 21 781=0427 BeltGuard
8 731=04207 BearingBlock 22 787=01081A CoverPlate
9 731=05064 BladeGuard 23 781=0748 Tri=starBlade(Opt.Access.)
10 732=0188A DoubleTorsionSpring 24 711=1017 ClevisPin
11 732=04169 CompressionSpring 25 714=0104 CotterPin
12 736=04088 FlatWasher,635x1,24x,181 26 736=0342 FlatWasher,,260x,72
13 738=0706B ShoulderScrew 27 787=01075A CoverPlate
14 741=0524 Bearing,,625ID x 1,57OD
14
1 710-0191 Screw3/8-24 24 749-04184 LowerHandle
2 710_0411 Screw3/8q6 25 781_0741A DepthindexBracket
3 710-0654A Screw,3/8q6 26 781-0742 DepthindexLever
4 712_04065 RangeLockNut,3/8q6 27 687_02022 CurbHeightAdiustmentLever
5 731_05063 DebrisGuard 28 687_02125 CurbHeightAdiusterPlate
6 736-0452 BellWasher,,396x 1,140 29 710-0759 HexScrew5/16x 18
7 750_04142 PulleyMountSpacer 30 711_04361 AxleShaft,50x6,65
8 756_04148 Flat[diet Pulley,2,50D 31 711_04392A FrameSpacer,50x9,25
9 756q150A CombinationFlywheeIPulley 32 712-04065 RangeNut 3/8q6
10 787-01229 Frame 33 726-0299 PushCap1/2"rod
11 710-0726 HexScrew,5/16q2 34 732-04045 TorsionSpring
12 710q174 CarriageBolt,5/16q8 35 734q987 Wheel8xl,8
13 710q205 RopeGuide(EyeBofi) 36 734q988 WheelTxl,8
14 710-3180 HexScrew,5/16q8 37 736-0234 FlatWasher,,385x 1,5x,075
15 712-04063 LockRangeNut,5/16q8 38 738-04149 ShoulderScrew,3/8q6
16 720-0142 Grip 39 738-0929 ShoulderScrew,3/8q6
17 720-0279 WingNut 40 750-04129 Spacer
18 720-04052 HandKnob 41 787-01239 DualWheeIBracket
19 732-0369 CompressionSpring 42 711-04362 Spacer
20 746_04035 ControlCaNe (Briggs&Stratton)43 736_0232 WaveWasher
21 746-04036 WheelAdiustmentCaNe 44 750-04427 Spacer,,525x ,775x ,1125
22 747-0976A BladeControl 45 750-04428 Spacer,,525x,775x ,3125
23 749-04183 UpperHandle 46 787-01240 WheeIBracket
15
Hand[elFrame/
WheelAssembly
Model 550 & 520
PLEASE NOTE: Edger
features and compo-
nents vary by mode[.
NOT a[[parts listed
here and pictured on ,
this page are standard }
equipment,
For parts and/or
accessories please
call 1-330.220-4683,
or 1-800-800-73!0
www.mtdproducts.com
MANUFACTURER'S LIMITED WARRANTY FOR
The limitedwarrantyset forthbelowisgivenbyMTDLLCwithrespectto
newmerchandisepurchasedandusedin theUnitedStates,its posses_
sionsandterritories.
"MTD"warrantsthisproductagainstdefectsin materialandworkmanship
fora periodoftwo (2)yearscommencingonthedateoforiginalpurchase
andwill,atits option,repairor replace,freeofcharge,anypartfoundto
bedefectivein materialsor workmanship.This limitedwarrantyshallonly
applyifthis producthasbeenoperatedandmaintainedinaccordance
withtheOperator'sManualfurnishedwiththeproduct,and hasnotbeen
subiectto misuse,abuse,commercialuse,neglect,accident,improper
maintenance,alteration,vandalism,theft,fire,water,ordamagebecause
ofotherperilor naturaldisaster.Damageresultingfromtheinstallationor
useofanypart,accessoryor attachmentnotapprovedbyMTDforuse
withtheproduct(s)coveredbythis manualwillvoidyourwarrantyasto
anyresultingdamage.
Normalwearpartsarewarrantedtobefreefromdefectsinmaterialand
workmanshipfora periodofthirty(30)daysfromthedateofpurchase.
Normalwearpartsinclude,butare notlimitedto itemssuchas: batteries,
belts,blades,bladeadapters,grassbags,riderdeckwheels,seats,snow
throwerskidshoes,shaveplates,augerspiralrubberandtires.
NOW TO OBTAmNSERVICE: Warrantyservice is available,WITH
PROOFOF PURCHASE,through your local authorizedservice
dealer.Tolocate thedealer in yourarea, check yourYellowPages,or
contact MTD LLCat RO. Box361131,Cleveland,Ohio 44136-0019,or
call 1-800-800-7310or 1-330-220-4683or log on to our Website at
www.mtdproducts.com.
This limitedwarrantydoesnot providecoverageinthefollowingcases:
a. Theengineorcomponentpartsthereof.Theseitemsmaycarrya
separatemanufacturer'swarranty.Refertoapplbablemanufacturer's
warrantyfortermsandconditions.
b. Logsplitterpumps,valves,andcylindershaveaseparateoneyear
warranty.
c. Routinemaintenanceitemssuchaslubricants,filters,blade
sharpening,tune_ups,brakeadiustments,clutchadiustments,deck
adiustments,andnormaldeteriorationoftheexteriorfinishdueto use
orexposure,
d, Serviceeompbtedbysomeoneotherthanan authorizedservice
dealer,
e, MTDdoesnotextendanywarrantyforproductssoldor exported
outsideofthe UnitedStates,itspossessionsandterritories,except
thosesoldthroughMTD'sauthorizedchannelsofexportdistribution,
f, Replacementpartsthatare notgenuineMTDparts,
g, Transportationchargesandservicecalls,
Noimplied warranty, including anyimplied warrantyof merchant°
ability offitness for a particular purpose, applies after the applicable
period of express written warranty aboveasto the parts as identi-
fied. Noother express warranty,whether written or oral, exceptas
mentioned above,given by anyperson or entity, includinga dealer
or retailer,with respect to anyproduct, shall bind MTD.Duringthe
period of the warranty,the exclusive remedy is repair or replacement
of the product as setforth above.
The provisions as set forth in this warranty provide the sole and
exclusive remedyarising from the sale. MTDshall not be liable
for incidental or consequential loss or damageincluding, without
limitation, expensesincurred for substitute or replacementlawncare
services orfor rental expensesto temporarily replacea warranted
product.
Somestatesdo notallowtheexclusionor limitationofincidentalor
consequentialdamages,or limitationson howlonganimpliedwarranty
lasts,sotheaboveexclusionsor limitationsmaynotapplytoyou.
Innoeventshallrecoveryofanykindbegreaterthantheamountofthe
purchasepriceoftheproductsold.Alteration of safety features of the
product shall void this warranty. Youassumetheriskandliabilityfor
loss,damage,or iniurytoyouand yourpropertyand/ortoothersandtheir
propertyarisingoutofthemisuseor inabilitytousetheproduct.
This limitedwarrantyshallnotextendto anyoneotherthantheoriginal
purchaseror tothepersonforwhomitwaspurchasedasa gift.
NOWSTATELAWRELATESTOTHISWARRANTY: ThislimitedwaF
rantygivesyouspecificlegalrights,andyoumayabe haveotherrights
whichvaryfromstatetostate,
IMPORTANT:OwnermustpresentOriginalProofofPurchasetoobtain
warrantycoverage,
MTD LLC, P.O. BOX 381131 CLEVELAND, OHIO 44138-0019; Phone: 1-800-800-7310, 1-330-220-4883
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MTD 550 Series Owner's manual

550 Series
MTD
Brand
MTD
Model
550 Series
Type
Owner's manual
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