MTD Series 521 User manual

Safety • Assembly • Operation • Tips &Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OF AOA AL
Gas Lawn Edger- Model 521
iMPORTANT
READ SAFETY RULES AND iNSTRUCTiONS CAREFULLY BEFORE OPERATION
Warning: Thisunitisequippedwithan internalcombustionengineandshouldnotbeusedon or nearanyunimprovedforest-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. 769-00527G
10/2005

This Operator's Manual is an important part of your new gas lawn edger, it will help you assemble,
prepare and maintain the unit for best performance. Please 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. Maintaining & Servicing ................................. 9
7. Off-Season Storage ...................................... 10
8. Troubleshooting ............................................ 11
9. Parts List .................................................. 12-13
10. Notes Page ............................................. 14-15
11. Warranty ...................................................... 16
Spanish Section Begins ................................... 17
Finding and Recording Model Number
BEFOREYOU STARTASSEMBLINGYOURNEW EQUIP-
MENT,please locatethe modelplateon the equipmentand
copy the informationto thesample modelplate providedto
the right.Youcan locate the modelplate bystanding at the
operating positionand lookingdown at the rearof the gas
lawnedger. This informationwill be necessaryto use the
manufacturer'sweb site and/or help fromthe CustomerSup-
port Departmentor anauthorizedservice dealer.
f
Model Number
®
www.mtdproducts.com
Serial Number
MTD LLC
P.O. BOX 361131
CLEVELAND, OH 44136
330 -220 -4683
800-800-7310
Customer Support
Please do NOTreturn the unit to the retailer from which it was
purchased, without first contacting Customer Support.
If you havedifficulty assemblingthis productor haveany
questions regardingthe controls,operation or maintenanceof
this unit, youcan seek helpfrom the experts. Choosefromthe
options below:
1. Visit mtdproducts.com for many usefulsuggestions.
Click on CustomerSupport button and youwill get the four
options reproducedinthis sampleto the right.Click on the
appropriatebutton and help isimmediatelyavailable.
2. Phone a Customer Support Representative
at 1(800)800-7310.
3. Theengine manufacturer isresponsible for all engine-
related issueswith regards to performance,power-rating,
specifications,warrantyand service. Pleaserefer tothe
enginemanufacturer'sOwner's/Operator'sManual, packed
separatelywith your unit,for more information.
Click here to search our knowledge base.
Search by product, keyword, or phrase.
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.
Need a manual and/or parts list? Download
literature from recent model years.
2

7"
YourSafetyLabels
Pleasetakeamomenttoreviewyoursafetylabels. LJ
Labels
S321
3

RNING
This symbol points
i out important safety
instructionswhich, if
notfollowed, could
endangerthe personal
i safetyand/or property
I ofyourself and 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 emit chemicals knownto Stateof Californiato cause cancerand
birth defectsor other reproductiveharm.
DANGER: This machinewas builtto beoperatedaccordingto the rulesfor safe operation in this
manual.As with any type of powerequipment,carelessnessor erroronthe part ofthe operatorcan
result in seriousinjury.This machine is capableof amputatinghands andfeet andthrowing objects.
Failureto observethe followingsafety instructionscould resultin serious injuryor death.
Children
Tragicaccidentscanoccurifoperatorisnotalertto presence
ofchildren.Childrenareoftenattractedtopowerequipment
suchas lawnedgers.Theydo notunderstandthe dangers.
Neverassumethatchildrenwill remainwhereyoulastsaw
them.
1. Keepchildrenoutofthe mowingareaandunderwatchful
careofa responsibleadultotherthanthe operator.
2. Bealertandturnlawnedgeroffif achildentersthearea.
3. Beforeandwhilemovingbackwards,lookbehindanddown
forsmallchildren.
4. Useextremecarewhenapproachingblindcorners,
doorways,shrubs,trees,or otherobjectsthat mayobscure
yourvisionofa childwhomayrunintothe lawnedger.
5. Keepchildrenawayfromhotor runningengines.Theycan
sufferburnsfroma hotmuffler.
6, Neverallowchildrenunder14yearsoldto operatean
edger.Children14yearsoldandovershouldreadand
understandoperationinstructionsandsafetyrulesinthis
manualandshouldbetrainedandsupervisedbyaparent.
Operation
Safe HandlingOf Gasoline:
1. Toavoidpersonalinjuryor propertydamageuse
extremecare in handlinggasoline,Gasolineisextremely
flammableand thevaporsareexplosive,Seriouspersonal
injurycanoccurwhengasolineisspilledon yourselfor
yourclotheswhichcan ignite,
2. Washyourskin andchangeclothesimmediately,
3. Useonlyanapprovedgasolinecontainer,
4. Neverfill containersinsidea vehicleoron a truck ortrailer
bedwith a plasticliner,Alwaysplacecontainersonthe
groundawayfromyourvehiclebeforefilling.
5. Removegas-poweredequipmentfromthetruckor
trailerandrefuelit onthe ground.Ifthis is notpossible,
thenrefuelsuchequipmenton a trailerwitha portable
container,ratherthanfromagasolinedispensernozzle.
6. Keepthe nozzleincontactwith the rimofthefuel tankor
containeropeningatalltimesuntilfuelingiscomplete.Do
notusea nozzlelock-opendevice.
7. Extinguishallcigarettes,cigars,pipesandothersources
ofignition.
8. Neverfuel machineindoorsbecauseflammablevapors
willaccumulateinthe area.
9. Neverremovegas caporaddfuel whileengineishotor
running. Allowengineto coolatleasttwominutesbefore
refueling.
10.Neveroverfillfueltank.Filltankto nomorethanY2inch
belowbottomoffiller neckto provideforfuelexpansion.
11.Replacegasolinecap andtightensecurely.
12.Ifgasolineisspilled,wipeitofftheengineandequipment.Move
unittoanotherarea.Wait5minutesbeforestartingengine.
13.Neverstorethe machineor fuelcontainernearanopen
flame,sparkorpilotlightas onawaterheater,space heater,
furnace,clothesdryeror othergasappliances.
14.Toreducefire hazard,keeplawnedgerfreeofgrass,
leaves,or otherdebrisbuild-up.Cleanupoilor fuelspillage
andremoveanyfuelsoakeddebris.
15.Allowalawnedgerto coolatleast5minutesbeforestoring.
General Operation:
1. Readthis operator'smanual carefullyinits entiretybefore
attemptingtoassemblethismachine.Read,understand,
andfollowall instructionsonthe machineandin the
manual(s) beforeoperation.Becompletelyfamiliarwith
thecontrolsandthe properuseofthis machinebefore
operatingit. Keepthis manualin asafeplaceforfuture and
regularreferenceandfororderingreplacementparts.
2. Thismachineisa precisionpieceof powerequipment,not a
plaything.Therefore,exerciseextremecautionatalltimes.
Yourunithasbeendesignedto performonejob:to mow
grass.Do notuse itfor anyotherpurpose.
3. Neverallow childrenunder14yearsoldto operatethis
machine.Children14yearsoldand overshouldreadand
understandthe instructionsinthismanualandshould
betrainedandsupervisedbya parent.Onlyresponsible
individualswhoarefamiliarwiththeserulesofsafe opera-
tionshouldbeallowedtousethismachine.
4. Tohelpavoidbladecontactorathrownobjectinjury,stayin
operatorzonebehindhandlesand keepchildren,bystand-
ers,helpersandpetsatleast75feetfrom lawnedgerwhile
it isin operation.Stop machineifanyoneentersarea.
5. Thoroughlyinspectthe areawherethe equipmentisto be
used.Removeallstones,sticks,wire,bones,toysand other
foreignobjectswhichcouldbetrippedoveror pickedup
andthrownbythe blade.Thrownobjectscan causeserious
personalinjury.
6. Alwayswearsafetyglassesor safetygogglesduringopera-
tionandwhile performinganadjustmentor repairtoprotect
youreyes.Thrownobjectswhichricochetcancauseserious
injurytothe eyes.
7. Wearsturdy,rough-soledworkshoesand close-fitting
slacksandshirts. Shirtsandpantsthatcoverthe armsand
legsandsteel-toedshoesarerecommended.Neveroperate
this machinein barefeet,sandals,slipperyor lightweight
(e.g.canvas)shoes.
8. Neverattemptto makeanyadjustmentswhiletheengine
is running,exceptwherespecificallyrecommendedinthe
operator'smanual.
4

9. Toavoidpersonalinjuryor propertydamageuseextreme
carein handlinggasoline.Gasolineisextremelyflammable
and thevaporsareexplosive.Seriouspersonalinjury can
occurwhengasolineisspilledonyourselfor yourclothes
whichcanignite.Washeryourskinand changeclothes
immediately.
10.Do notput handsor feet nearrotatingparts.Contactwith
the rotatingbladecanamputatehandsandfeet.
11.Thebladecontrolhandleisa safetydevice.Neverbypass
its operation.Doingso,makesthe machineunsafeand may
causepersonalinjury.
12.Neveroperatewithoutbladeguard,debrisshieldandblade
controlhandlein placeandworking.
13.Neveroperatewith damagedsafetydevices.Failureto do
so,can resultin personalinjury.
14.Neverrunanengineindoorsor inapoorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,an odorlessand
deadlygas.
15.Do notoperatemachinewhileunderthe influenceofalcohol
or drugs.
16.Mufflerandenginebecomehotandcancausea burn.Do
nottouch.
17.Neveroperatethis machinewithoutgoodvisibilityor light.
Alwaysbesureofyourfootingand keepa firmhold onthe
handles.Walk,neverrun.
18.Donotoperatethis machineif it hasbeendroppedor dam-
aged. Returnmachinetoyournearestauthorizedservicing
dealerforexaminationandrepair.
19.Donotoperatethis machinewitha damagedorexcessively
worncuttingblade.
20.Neverattempttoclear materialfromthe bladeguardwhile
the engineisrunning.Shutthe engineoff,disconnectthe
sparkplugwireandgroundagainsttheengineto prevent
unintendedstarting.
21.Do notoverloadmachinecapacityby attemptingtoedgeat
toofast ofa rate.
22.Stayalertfor unevensidewalks,terrainetc.Alwayspush
slowlyoverroughsurfaces.Do notusethis machineon
gravelsurfaces.
23.Do notoperatemachinein rain orwet soilconditions.
Alwaysoperatemachinefrom behindthe handlesand
positionyourselfwherethedirectline ofsighttocutting
bladeisblockedby guards.
24.Alwaysstopenginewhenedgingortrimmingisdelayedor
whentransportingmachinefrom onelocationto another.
Neverleavea runningmachineunattended.Stopthe
engine,disconnectsparkplugwireandgroundagainstthe
enginetopreventunintendedstarting.
25.Onlyusepartsandaccessoriesmadeforthis machineby
the manufacturer.Failureto doso,canresultin personal
injury.
26. Ifsituationsoccurwhicharenotcoveredinthis manual,use
careandgoodjudgment.Telephone[phone] or
1-800-800-7310 for CustomerSupportandthe nameof
yournearestdealer.Service
1. Neverrunan engineindoorsor in a poorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,anodorlessand
deadlygas.
2. Beforecleaning,repairing,or inspecting,makecertainthe
bladeandall movingpartshavestopped.Disconnectthe
sparkplugwireandgroundagainstthe engineto prevent
unintendedstarting.
3. Checkthe bladeandenginemountingboltsatfrequent
intervalsfor propertightness.Also,visuallyinspectblade
fordamage(e.g.,bent,cracked,worn)Replacebladewith
theoriginalequipmentmanufacture's(O.E.M.)bladeonly,
listedin thismanual."Useof partswhichdo notmeetthe
originalequipmentspecificationsmayleadto improper
performanceand compromisesafety!"
4. Lawnedgerbladesaresharpand cancut.Wrapthe blade
orweargloves,anduseextracautionwhenservicingthem.
5. Keepallnuts,bolts,andscrewstightto besurethe equip-
mentis insafeworkingcondition.
6. Nevertamperwithsafetydevices.Checktheirproper
operationregularly.
7. Afterstrikinga foreignobject,stopthe engine,discon-
nectthesparkplugwireandgroundagainsttheengine.
Thoroughlyinspectthe lawnedgerfor anydamage.Repair
thedamagebeforestartingandoperatingthe lawnedger.
8. Neverattemptto makeawheelor cuttingheightadjust-
mentwhilethe engineisrunning.
9. Manycomponentsonyournewedgercanwearwith
continueduse. Forsafetyprotection,frequentlycheck
alledgercomponentsandreplaceimmediatelywith
originalequipmentmanufacturer's(O.E.M.)partsonly,
listedinthismanual."Useofpartswhichdo notmeetthe
originalequipmentspecificationsmayleadtoimproper
performanceand compromisesafety!"
10.Do notchangetheenginegovernorsettingor overspeed
theengine.Thegovernorcontrolsthemaximumsafe
operatingspeedoftheengine.
11.Maintainor replacesafetylabels,asnecessary.
12.Observeproperdisposallawsandregulations.Improper
disposaloffluidsand materialscanharmtheenvironment.
Practices
WARNING
This symbol 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 in personalinjury.
Whenyou see this
symbol.
HEED ITS WARNING
Your
Responsibility
Restrictthe use
ofthis powermachine
to personswho read,
understand
and follow the warnings
and instructions
inthis manual
and onthe machine.
5

WARNING
The edger blade
WILL rotate when the
starter rope is pulled.
iMPORTANT:
This unitis sh_pped
WITHOUTGASOLINE.
Aftersetting upthe
unit,service engine
with gasoline as in-
structed in the separate
enginemanual packed
with your unit. Be sure
to service engine with
the oilenclosed with
this unitas instructed
inthe separateengine
manual.
Figure 1
Figure 2
Securing the Handle
IMPORTANT:ThisunitisshippedWITHOUTGASOLINE.
Aftersettingup theunit,serviceenginewithgasolineas
instructedin theseparateenginemanualpackedwithyour
unit. Besuretoserviceenginewiththeoilenclosedwith
thisunitasinstructedinthe separateenginemanual.
NOTE: Referencetorightorlefthandsideoftheedgeris
observedfromtheoperatingposition.
Positioningthe Edger Handles
1. Removeanddiscardanypackagingcardboardthat
maybepresentbetweentheupperhandleandthe
lowerhandle.
2. Depressthebladecontrolat thetopoftheupper
handleandpivottheupperhandleupwarduntilit
snapsintoplace(1).
3. Tightenthehandknobs,whichare locatedon boththe
leftand rightsidesofthehandle(2).SeeFigure2.
Attachingthe Starter Rope
1. Locatetheropeguidefoundonthe rightsideofthe
upperhandle.
2. Loosen,butdo NOTremove,thewingknobwhich
securestheropeguidetotheupperhandle.See
Figure2.
3. Standbehindtheunitand holdthebladecontrol
againsttheupperhandle(1)andgentlypullthestarter
ropeoutoftheengine(2).
WARNING: The edgerblade WILL
rotate whenthe starterropeispulled.
NOTE: Thestarterropewillnotpulloutoftheengine
unlessthebladecontrol(refertoFigure2) isdepressed
againsttheupperhandle.
4. Slipthestarterropethroughthetopof theropeguide
(3).
5. Retightenthewingknobwhichsecuresthe ropeguide
totheupperhandle(4).
6

f BladeControl
Blade DepthControl Lever
(TransportPositionShown)
Pull Rope/Recoil Starter
BeltGuard
Figure 3
_ARNING:
Befamiliarwith allcontrols and
their properoperation. Knowhow
to stop the machine and disengage
them quickly.
NOTE: RefertotheEngineManualpackedwithyour
edgerfora detaileddescriptionofall engine-related
controlsandcomponents,
Starter Rope /Recoil Starter
Thepullrope/recoilstarterisusedto starttheengine.
Primer
Theprimerisusedto pumpgasintothecarburetorand
aidin startingtheengine.Useittostarta coldengine,
butdonotuseit torestarta warmengineaftera short
shutdown.
NOTE: RefertotheEngineManualpackedwithyour
edgerfora detaileddescriptionofall engine-related
controlsandcomponents,
Blade Control
Locatedontheupperhandle,thebladecontrolmustbe
depressedagainsttheupperhandleinordertooperate
theunit.Releasingthebladecontrolstopstheengine
andtheedgerblade. SeeFigure3.
Blade DepthControl Lever
Thebladedepthcontrolleveris locatedon therightside
oftheupperhandle.It isusedtocontrolthedepthofthe
cut.Thefurtherforwardthebladedepthcontrolleveris
moved,thedeeperintothesoiltheedgerbladewillcut.
See Figure3.
7
WARNING:
Be familiar with all
controlsand their
proper operation.
Know how to stop the
machine and disen-
gagethem quickly.
NOTE: Referto
theEngine Manual
packed withyour
edger for a detailed
descriptionof all en-
gine-related controls
and components.
IMPORTANT:
Becomefamiliarwith
allthe controls before
operatingthe edger.

_i:i_ii!!!.i!!_.... _ .............
_ iiii i i_ i_ i I iiii
opo ti°g
WARNING
Do not lowerblade
ifblade is over
concrete, asphalt,
rocksor the like.The
blade can strikethe
supporting surface,
resulting in personal
injuryor property
damage.
Never fill fuel tank
indoors,with engine
running or untilthe
engine has been
allowed to coolfor
at least two minutes
after running.
This control mecha-
nism is a safety
device. Never attempt
to bypass its opera-
tion.
Theoperationofanyedgercanresult
inforeignobjectsbeingthrown intothe
eyes,whichcanresultinsevereeye
damage.Alwayswearsafetyglasses
oreyeshields.We recommendwide
visionsafetymaskforoverspectaclesor
standardsafetyglasses.
WARNING: Donot lowerblade ifblade
isoverconcrete,asphalt,rocksor the
like.The bladecanstrikethesup-
portingsurface,resulting inpersonal
injuryor propertydamage.
AddingGasolineAnd Oil
Servicetheenginewithgasolineandoil asinstructed
inthe EngineManualpackedwithyouredger.Read
instructionscarefully.
_ARNING: Neverfill fuel tank indoors,
with enginerunningor until the engine
hasbeenallowed to coolfor at least
two minutesafter running.
Starting The Engine
NOTE: RefertotheEngineManualpackedwithyour
edgerfora detaileddescriptionofall engine-related
controlsand components.
Tostarttheedger'sengine,proceedasfollows:
.
2.
Movethebladedepthcontrolleverbacktothe
STARTpositionin theadjacent(top)notch.
Depresstheprimerbulbthreetimes,pausingtwoto
threesecondsbetweeneachpush.Incoldweather
(below50°F/19°0), itmaybenecessarytodepress
theprimerbulbfouror fivetimes.
IMPORTANT:Usingtheprimertorestarta warm
engineaftera shortshutdownisusuallynotnecessary.
Doingsomayresultinafloodedengine.
3. Standingbehindtheunit,depressthebladecontrol
andholditagainsttheupperhandlewith yourleft
hand.
_ARNING: Thiscontrolmechanism
isasafetydevice.Neverattempt to
bypass itsoperation.
4. Withyourrighthand,grasptherecoilstarterhandle
andslowlypulltheropeoutwarduntilenginereaches
thestartof itscompressioncycle(theropewillpull
slightlyharderatthispoint).
5. Afterslowlyallowingthe ropeto recoil,pulltherope
witha rapid,continuous,fullarmstroke.Keepa firm
gripon starterhandlethroughouttheentirestroke.
6. Allowthestarterhandletoslowlyreturntotherope
guide.
NOTE: If theenginefailstostartafter threepulls,
depresstheprimeranadditionaltwotimesbefore
pullingthestarterropeagain.
Edging
Tobeginedging,proceedasfollows:
1. Movetheunitovertotheareato be edged,making
surethattheleft rearwheelison a hardsurfaceand
thebladeisovertheareatobecut. SeeFigure4.
f
Figure 4
.Movethebladedepthcontrollevertothe leftandplace
intothenextlowernotch. Thenmakea passalongthe
areato beedgedbeforeproceedingtothenextnotch.
Thefurtherforwardthebladedepthcontrolleveris
moved,thedeeperor lowerthebladewillcut intothe
ground. Severalpassesmaybenecessarytoobtain
thedesireddepthofcut. Donotlowertheblademore
thanonedepthnotchata timewithoutmakinga pass.
3. Forbestresults,proceedslowlyalongthepathbeing
edged,slowlymovingtheedgerbackandforththrough
thecuttingarea,againmakingsureto keeptheleft
rearwheelon thehardsurfaceandthebladeinthe
cuttingpath,closetobutnottouchingtheedgeofthe
hardsurface.
4. Onceyouhavereachedtheendofyourcuttingpath,
raisethebladecontrolleverbackintotheSTART
position,movetothenextareatobecut,andproceed
againfromstep1.
Stopping The Engine
Tostoptheedger'sengine,releasethe bladecontrol
handle.
NOTE: Seeyourenginemanualpackedwithyourunitfor
moredetailedinstructions.
8

,_ WARNING: Disconnectthe spark plug
wireand groundagainst the engine
before performinganyadjustment,
repairsor maintenance.
Lubrication
Engine
RefertotheEngineManualpackedwithyouredgerfora
detaileddescriptionofallengine-relatedservicespecs.
Wheels
Lubricatethewheelsandbearingsatleastoncea
seasonwitha lightoil.Alsoifthewheelsareremovedfor
anyreason,lubricatethesurfaceoftheaxleboltandthe
innersurfaceofthewheelwithlightoil.
PivotPoints
Lubricatethepivotpointsonthebladecontrolbailand
bladedepthcontrollever
Bearing Block
Lubricatethebearingblockoncea season,orasneeded
bysimplyapplyingoilateachend ofthecoverplate.
SeeFigure9.
F
Figure10
3. Removethespindlesheavesbeltguardbyremoving
thetwoself-tappingscrewswhichsecureittothe
bladeplateassembly.
4. Usetwowrenches(onewrenchtopreventthehex
boltheadfromspinningandtheotherto removethe
flangenut)toremovetheedgerblade.
Referto Figure11.
f
FlangeNut
\
Figure9
Replacing the Edger Blade
,_ WARNING: Theedgerblade issharp.
Wearleatherwork gloves to protect
your handswhen working around the
-- edger blade.
_ WARNING: Disconnectthe spark plug
wire and ground against engine before
performingthe following steps.
1. Workinginfrontoftheedger,loosentheflangelock
nuton topofframe,allowingthe idlerpulleyassembly
topivotslightlyoutfromtheframe.SeeFigure10.
2. Withyourotherhand,carefullyreachunderthe
rearoftheunitand removethebeltfromaroundthe
engineflywheelpulley.
Belt
Guard
Figure 11
5. Removeanddiscardtheedgerbladebutretainthe
flangenut.
6. Installthereplacementedgerbladeandtheflangenut
removedearlier.
IMPORTANT:Usea torquewrenchtotightentheflange
nuttobetween37foot-lbs,and50foot-lbs.
7. Reinstallthespindlebeltguardwiththeselftapping
screwsremovedearlier.
8. Carefullyplacethedrivebeltbackontotheengine
flywheelpulley,and retightentheflangelocknuton
thetopoftheframe.
IMPORTANT:Makecertainthatthedrivebeltis
seatedcorrectlyonthebladespindleandthat itis riding
smoothlyonthespindlesheavesand isnotpinched
betweenthem.Repeatthefirstthreestepsifthe beltis
9
_iii!_i _ i ii_i_ ii _i_iii i
i i i i _ i
WARNING
The edger blade
is sharp. Wear
leather work gloves
to protect your hands
whenworkin g around
the edger blade
Disconnect the spark
plugwire and ground
against the engine
before performing
any adjustment,
repairs or mainte-
nance.

pinched, oftheunitand removethebeltfromaroundtheengine
flywheelpulley,
Replacing the Drive Belt 3. Removethespindlesheavesbeltguardbyremoving
IMPORTANT:Toaid in reassembly,notetheorientation thetwoself-tappingscrewswhichsecureittothe
ofthedrivebeltonthetwoidlerpulleysandtheengine bladeplateassembly.SeeFigure12,
flywheelpulleypriortoperformingthefollowingsteps. 4. Carefullyremovethebeltfromoff ofthepulleys,again
Referto Figure10. makingsuretonotetheorientationofthebelt. Discard
thebelt.
Theedgerdrivebeltissubjecttowearandshouldbe
replacedifanysignsofcracking,shreddingor rotting Installthereplacementbelt(PartNo,754-04032B)inthesame
arepresent.Toreplacethebelt,proceedasfollows: configurationthattheoriginalbeltwasroutedasfollows:
1. Workingin frontoftheedger,loosentheflange 5. Workingfromthefrontof theedger,placethebeltonto
locknutontopofframe,allowingtheidlerpulley thespindlesheaves,routeitbackontothetwo idler
assemblytopivotslightlyoutfromtheframe.See pulleys,andthenplaceitontotheengineflywheel
Figure10, pulley,
2. Withyourotherhand,carefullyreachunderthe rear IMPORTANT:Makecertainthatthe"V"sideofthebelt
isseatedintothetoppulleyandtheflatsideof thebeltis
seatedintothebottompulley.
.................. " 6. Reinstallthespindlesheavesbeltguardwiththeself
tappingscrewsremovedearlier,
7. Makecertainthatthedrivebeltison theengine
flywheelpulleyandidlerpulleys,andretightenthe
flangelocknuton thetopof theframe.
WARNING IMPORTANT:Makecertainthatthedrivebeltisseated
correctlyandthatitis ridingsmoothlyon thespindle
: sheavesandis notpinchedbetweenthem,
_ epeatthefirstthreestepsifthebeltis
pinched,
WARNING: Neveroperatethe edger
without thespindle sheavesbelt guard in place.
Figure 12
Neveroperatethe
edgerwithoutthe
spindlesheavesbelt
guardinplace.
Off-Season Storage
Observethefollowingwhenpreparingtheedgerfor
long-termstorage:
1. Cleanandlubricateunitthoroughlyasinstructedon
page9 ofthis manual.
2, RefertotheEngineManualpackedseparately
withtheedgerforenginemanufacturers'sstorage
instructions.
3. Coattheedgerbladewithchassisgreasetoprevent
rustingandcorrosion.
4. Storetheedgerin a dry,cleanarea.Donotstorenext
toanycorrosivematerials,suchaslawnfertilizer.
5. Coattheedger,especiallyanyspringsandbearings
witha lightoil or siliconespray.
IMPORTANT:Whenstoringanytypeof powerequipment
in anpoorlyventilatedor metalstorageshed,careshould
betakentorustprooftheequipment.
10