MTD 550 Series Owner's manual

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.

Modem Number

www, mtdproducts,com

Serial Number

MTD LLC

P.O. BOX 361131

CLEVELAND, OH 44136

330-220-4683

800-800-731 O

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

your inquiries, or update your personal profile.

Need local assistance? Click here to find authorized

service centers in your area.

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] -

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

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_

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.

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.

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.

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

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

_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.

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.

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.

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

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

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

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

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

MTD 550 Series, 25B-550A765, 520 Series, 520-EDGER Owner's manual

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