Download MTD 520 Series Specifications

Safety ®Assembly
®Operation
oTips & Techniques
Gas Lawn Edger-
READ SAFETY
RULES
®Maintenance
oTroubleshooting
®Parts Lists oWarranty
Model Series 520 & 550
AND mNSTFIUCTmONS CAREFULLY
BEFORE
OPEFIATmON
Warning: This unit is equippedwith an internalcombustionengineand shouldnot be usedon or nearany unimprovedforest-covered,brush=
coveredor grass=coveredland unlessthe engine'sexhaustsystemis equippedwith a sparkarrestermeetingapplicablelocalor state laws (if any),
If a sparkarresteris used, it shouldbe maintainedin effectiveworkingorder by the operator,Inthe Stateof Californiathe aboveis requiredbylaw
(Section4442 of the CaliforniaPublicResourcesCode), Otherstates mayhavesimilarlaws,Federallaws applyon federallands,A sparkarrester
for the muffleris availablethroughyournearestengineauthorizedservicedealeror contactthe servicedepartment,RO, Box361131Cleveland,
Ohio 44136=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.
2.
3.
4.
5.
Safety Labels ..................................................
Safe Operation
Practices ............................
Setup & Assembly
..........................................
KnowYour
Edger ............................................
Operating Your Edger .....................................
3
4-5
6
7
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
Finding
and Recording
BEFOREYOU STARTASSEMBLINGYOUR NEW EQUIP=
......................................................
iVlodei Number
F
MENT,please locate the model plate on the equipment and
copy the information to the sample model plate provided to
the righL You can locate the model plate by standing at the
operating position and looking down at the rear of the gas
lawn edger. This information will be necessary to use the
manufacturer'sweb site and/or help from the Customer Sup=
port Departmentor an authorized service dealer.
Modem Number
Serial
Number
MTD LLC
P.O. BOX
CLEVELAND,
330-220-4683
800-800-731
www, mtdproducts,com
361131
OH 44136
%.
Customer
P_ease do NOTretum
purchased,
without
16
J
Support
the unit to the retai_er from which
first contacting
if you have difficulty assembling this product or have any
questions regardingthe controls, operation or maintenanceof
this unit, you can seek help from the experts. Choose from the
options below:
Customer
it was
Support.
Click here to search our knowledge base.
Search by product, keyword, or phrase.
1. Visit mtdproducts.com
for many useful suggestions.
Click on Customer Support button and you will get the four
options reproduced in this sample to the right. Click on the
appropriate button and help is immediately available.
Login to check the status of your questions, modify
your inquiries, or update your personal profile.
2. Phone a Customer Support Representative
at 1(800) 800=7310.
Need local assistance? Click here to find authorized
service centers in your area.
3. The engine manufacturer is responsiblefor all engine°
related issues with regards to performance, power=rating,
specifications, warranty and service. Please refer to the
engine manufacturer's Owner's/Operator's Manual, packed
separatelywith your unit, for more
Need a manual and/or parts list? Download
literature from recent model years.
2
O
r
Labels
Pleasetakea momentto reviewyour safetylabels.
__4=i =1"_V:V,Vl±_"-- -_.[o]IIV±_IIII_[_
L:]lr±Ym]
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i
3
ii
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manual. As with any type of power equipment, carelessness or error on the part of the operator can
result in serious injury. This machine is capable of amputating hands and feet and throwing objects.
Failureto observe the following safety instructions could result in serious injury or death.
,
Children
12. Ifgasolineis spilled,wipeit offthe engineandequipment.Move
unitto anotherarea.Wait5 minutesbeforestartingengine.
Tragicaccidentscan occurifoperatorisnot alert to presence
of children.Childrenare oftenattractedto powerequipment
such aslawnedgers.Theydo not understandthe dangers.
Neverassumethatchildrenwill remainwhereyou last saw
them.
13. Neverstorethe machineor fuel containernear an open
flame,spark or pilot light as on a water heater,space heater,
furnace,clothesdryeror othergas appliances.
14. Toreducefire hazard,keeplawnedgerfree of grass,
leaves,or otherdebris build-up•Clean up oil or fuel spillage
and removeany fuel soakeddebris•
15. Allow a lawnedgerto cool at least 5 minutesbeforestoring.
1. Keepchildrenout of the mowingarea andunderwatchful
careof a responsibleadultotherthanthe operator.
2. Be alert andturn lawnedgeroff if a childentersthe area.
3. Beforeand whilemovingbackwards,look behindanddown
forsmallchildren.
General Operation:
1. Readthis operator'smanual carefullyin its entiretybefore
attemptingto assemblethis machine•Read,understand,
andfollow all instructionson the machineandin the
manual(s) beforeoperation.Be completelyfamiliarwith
the controls andthe proper use of this machinebefore
operatingit.Keepthis manualin a safe place forfuture and
regularreferenceandfor orderingreplacementparts•
4. Useextremecare when approachingblindcorners,
doorways,shrubs,trees, or otherobjectsthat may obscure
yourvisionof a childwho may run into the lawnedger•
5. Keepchildrenawayfrom hot or runningengines.Theycan
sufferburnsfrom a hot muffler.
6. Neverallowchildrenunder14 yearsoldto operatean
edger•Children14years oldand overshouldread and
understandoperationinstructions
andsafetyrulesin this
manualandshouldbe trainedandsupervisedbya parent.
endangerthe personal
safety and/or property
2. This machineis a precision pieceof powerequipment,not a
plaything•Therefore,exerciseextremecaution at all times.
Yourunit has beendesignedto performonejob: to mow
grass•Donot use it for any otherpurpose.
Operation
Safe Handling Of Gasoline:
3. Neverallowchildren under 14yearsold to operatethis
machine•Children 14yearsold and overshould readand
understandthe instructionsinthis manualandshould
be trainedand supervisedbya parent.Only responsible
individualswho arefamiliar withthese rulesof safe operation shouldbe allowed to use this machine•
1. Toavoid personalinjury or propertydamage use
extremecare in handlinggasoline•Gasolineis extremely
flammableandthe vapors are explosive.Serious personal
injury can occur when gasolineis spilled on yourselfor
yourclotheswhichcan ignite.
2. Washyourskin andchangeclothesimmediately.
3. Useonly an approvedgasolinecontainer.
4. Neverfill containersinsidea vehicle or on a truck or trailer
bedwith a plastic liner•Alwaysplace containerson the
groundawayfrom your vehiclebeforefilling.
5. Removegas-poweredequipmentfrom the truck or
trailer and refuelit on the ground•Ifthis is not possible,
then refuelsuch equipmenton a trailer witha portable
container,ratherthan from a gasolinedispensernozzle.
4. Tohelp avoid bladecontact or a thrown objectinjury,stay in
operatorzonebehind handlesand keepchildren,bystanders,helpersand pets at least 75 feetfrom lawnedgerwhile
it is in operation.Stopmachineif anyoneentersarea•
5. Thoroughlyinspectthe area wherethe equipmentis to be
used.Removeall stones, sticks,wire, bones,toys andother
foreignobjectswhichcould be tripped overor picked up
andthrown bythe blade.Thrownobjectscan cause serious
personalinjury•
6. Alwayswear safetyglasses or safetygogglesduringoperation andwhile performingan adjustmentor repairto protect
youreyes•Thrownobjectswhich ricochetcan causeserious
injury to the eyes•
7. Wearsturdy, rough-soledwork shoesand close-fitting
slacksandshirts. Shirtsand pantsthat coverthe arms and
legs andsteel-toedshoesare recommended•Neveroperate
this machinein bare feet,sandals, slipperyor lightweight
(e.g. canvas)shoes.
6. Keepthe nozzlein contactwith the rim of the fuel tank or
containeropeningat all times until fueling is complete.Do
not use a nozzlelock-opendevice•
7. Extinguishall cigarettes,cigars, pipes andothersources
of ignition•
8. Neverfuel machineindoorsbecauseflammablevapors
will accumulateinthe area.
9. Neverremovegas cap or addfuel whileengine is hot or
running• Allow engineto cool at least two minutesbefore
refueling•
and follow the warnings
and nstruct ons
_.L_
.. _....
i
IH LHUI5 m_HU_!
8. Neverattemptto makeany adjustmentswhilethe engine
is running exceptwnere specmcallyrecommendedinthe
operator's'manua
10 Neveroverf fue tank F tank to no morethan _Jznch
•
below bottomof filler neckto providefor fuel expansion,
11. Replacegasolinecap andtighten securely•
i
and Onthe machin÷
.....
,J
4
9. Toavoid personalinjury or propertydamageuse extreme
care in handlinggasoline. Gasolineis extremelyflammable
and the vapors are explosive.Serious personalinjury can
occur when gasolineis spilled on yourself or your clothes
which can ignite.Washeryour skinand changeclothes
immediately.
2. Beforecleaning,repairing,or inspecting,makecertainthe
bladeandall movingparts havestopped.Disconnectthe
sparkplug wire andgroundagainstthe engineto prevent
unintendedstarting.
3. Checkthe bladeandenginemountingbolts atfrequent
intervalsfor propertightness.Also,visuallyinspectblade
fordamage(e.g.,bent,cracked,worn) Replacebladewith
the originalequipmentmanufacture's(O£.M.) bladeonly,
listedin thismanual.'Use of partswhich do not meetthe
originalequipmentspecificationsmay leadto improper
performanceandcompromisesafety!"
4. Lawnedgerbladesaresharp andcancut. Wrapthe blade
or weargloves,and use extracautionwhen servicingthem.
5. Keepall nuts,bolts, andscrewstight to be surethe equipment is in safeworkingcondition.
6. Nevertamperwithsafetydevices.Checktheirproper
operationregularly'.
7. Afterstrikinga foreignobject,stop the engine,disconnectthe spark plugwire andgroundagainstthe engine.
Thoroughlyinspectthe lawnedgerfor any damage.Repair
the damagebeforestartingandoperatingthe lawnedger.
8. Neverattempt to makea wheel or cutting height adjustmentwhilethe engine is running.
10. Donot put handsor feet near rotatingparts.Contactwith
the rotatingbladecan amputatehandsand feet.
11.The bladecontrol handle is a safety device.Neverbypass
its operation.Doing so, makesthe machineunsafeand may
causepersonal injury.
12. Neveroperatewithoutblade guard,debris shield andblade
control handle in placeand working.
13. Neveroperatewith damagedsafetydevices.Failureto do
so, can resultin personalinjury.
14. Neverrun an engine indoorsor ina poorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,an odorlessand
deadlygas.
15. Donot operate machinewhileunderthe influenceof alcohol
or drugs.
16. Mufflerandengine becomehot andcan cause a burn.Do
nottouch.
9. Manycomponentson your new edgercan wearwith
continueduse. For safetyprotection,frequentlycheck
all edgercomponentsand replaceimmediatelywith
originalequipmentmanufacturer's(O.E.M.)parts only,
listedin this manual."Use of parts whichdo not meetthe
originalequipmentspecificationsmay lead to improper
performanceand compromisesafety!"
10. Donot changethe engine governorsettingor overspeed
the engine.The governorcontrolsthe maximumsafe
operatingspeedof the engine.
11. Maintainor replacesafetylabels,as necessary.
12. Observeproperdisposallawsand regulations.Improper
disposalof fluidsand materialscan harmthe environment.
17. Neveroperatethis machinewithoutgoodvisibility or light.
Alwaysbe sure of yourfooting and keepa firm hold on the
handles.Walk, neverrun.
18. Donot operate this machineif it has been droppedor damaged. Return machineto your nearestauthorizedservicing
dealerfor examinationand repair.
19. Donot operate this machinewitha damagedor excessively
worncutting blade.
20. Neverattemptto clear materialfrom the bladeguardwhile
the engine is running.Shutthe engine off, disconnectthe
spark plug wire andground againstthe engine to prevent
unintendedstarting.
21. Donot overloadmachinecapacityby attemptingto edge at
too fast of a rate.
22. Stay alert for unevensidewalks,terrain etc. Alwayspush
slowly overroughsurfaces.Do not use this machineon
gravelsurfaces.
23. Donot operate machinein rain or wet soil conditions.
Alwaysoperatemachinefrom behindthe handlesand
positionyourselfwhere the directline of sight to cutting
bladeis blockedby guards.
uaubefore attempting to
resuUt in personaUinJury_
24. Alwaysstop enginewhen edgingor trimmingis delayedor
when transportingmachinefrom onelocationto another.
Neverleave a runningmachineunattended.Stopthe
engine,disconnectspark plug wireand ground againstthe
engine to preventunintendedstarting.
25. Only use parts andaccessoriesmade for this machineby
the manufacturer.Failureto do so, can result in personal
injury.
26. If situationsoccurwhichare not coveredinthis manual,use
care andgood judgment.Telephone330_220-4683 or
1-800-800-7310 for CustomerSupport andthe name of
your nearestdealer.
Service
1. Neverrun an engineindoorsor ina poorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,an odorlessand
deadlygas.
5
Securing the Handle
UpperHandle
\
IMPORTANT:This unitis shippedWITHOUTGASOLINE.
After settingup the unit, serviceengine with gasolineas
instructedin the separateenginemanualpackedwith your
unit. Be sure to serviceenginewith the oil enclosedwith
this unit as instructedin theseparateenginemanual
NOTE: Referenceto right or left handside of the edgeris
observedfromthe operatingposition.
Positioning the Edger HandJes
1. Removeand discardanypackagingcardboardthat
may be presentbetweenthe upper handleand the
lowerhandle.
2. Depressthe bladecontrolat the top of the upper
handleand pivot the upperhandleupwarduntilit
snapsinto place.
3. Tightenthe handknobs,whichare locatedon boththe
left and rightsidesof the handle.See Figure2.
WingKnob
RopeGuide
Figure 1
Attaching
HandKnobs
UpperHandle
the Starter Rope
1. Locatethe rope guidefoundon the rightsideof the
upper handle.
2. Loosen,butdo NOT remove,the wingknobwhich
securesthe rope guideto theupper handle.See
Figure1.
3. Standbehindthe unitand holdthe blade control
againstthe upperhandleand gently pull the starter
rope outof theengine.
WARNING: The edger MadeWiLL
rotate when the starter rope is pulled.
NOTE: The starterropewill notpull out of
the engineunlessthe bladecontrol (referto Figure1)
is depressedagainstthe upperhandle.
LowerHandle
IM PORTANT:
1. S@the starterropethroughthe topof therope guide.
2. Retightenthe wing knobwhich securesthe rope guide
to the upper handle.
Figure 2
6
Be familiar with all
controls and their
Model 550 show here.
Figure 3
WARNING;
Be familiar with all controls and
Blade Depth Control Lever
theirproperoperation,Knowhow
to stop the machine and disengage
them quicHy,
NOTE: Refer to the EngineManualpacked withyour
edger fora detaileddescriptionof all engine-related
controlsand components.
The bladedepthcontrol leveris locatedon the rightside
of the upper handle.It is usedto control thedepthof the
cut. Thefurther forwardthe bladedepthcontrol leveris
moved,the deeper intothesoil the edger bladewill cut.
See Figure3.
gage them quickJy.
Bevel Adjustment Lever (if so equipped)
the Engine Manual
packed with your
edger for a detailed
description of all engine-related controls
and components.
The beveladiustmentlever,if so equipped,is located
on thefront, left portionof the edger,behindthe edger
blade,It is usedto vary the angle of theedger blade
betweenone of threepositionsfor edging/trenchingor
bevelededging.See Figure3.
Starter Rope / Recoil Starter
The pull rope/recoilstarteris usedto startthe engine.
Primer
The primeris usedto pumpgas into thecarburetorand
aid in startingthe engine.Use it to start a coldengine,
butdo not use it to restarta warmengineafter a short
shutdown.
proper operation,
Know how to stop the
machine and disen-
NOTE: Referto
Curb Height Adjustment Lever
#f so equipped)
The curbheightadiustmentlever,if so equipped,is
foundon the rear portionof the edger,Whenplacedin
an applicablenotch,it aids in stabilizingthe edger while
edginggrass alonga curb. See Figure3.
NOTE: Refer to the EngineManualpacked withyour
edger fora detaileddescriptionof all engine-related
controlsand components.
IMPORTANT: Becomefamiliarwith all thecontrols
Blade Control
beforeoperatingtheedger.
Locatedon the upperhandle,the blade controlmustbe
depressedagainstthe upperhandlein orderto operate
the unit. Releasingthe blade controlstopsthe engine
and the edger blade. See Figure3.
7
IMPORTANT:
Becomefamilial with
all the controls before
operating the edger.
The operationof anyedger can result
in foreign objects beingthrown intothe
which can result in severeeye
damage.Alwayswearsafetyglasses
or eyeshields.Werecommendwide
vision safety maskfor over spectaclesor
standard safety glasses.
Edging
Tobeginedging,proceedas follows:
1, Movethe unitover to thearea to be edged,making
surethat the bft rearwheelis on a hardsurfaceand
the bladeis overthe area to be cut, See Figure4,
WARNING: Do not lower blade if blade
is over concrete, asphalt, rocks or the
like. The blade can strike the supporting surface, resulting in personal
injuryor property damage.
Adding Gasoline And Oil
Servicethe enginewith gasolineand oil as instructed
in the EngineManualpackedwith your edger,Read
instructionscarefully,
WARNING: Never fill fuel tank indoors,
with engine running or until the engine
has been allowed to cool for at least
two minutes after running.
WARNING
Do not lower blade
if blade is over
concrete, asphalt,
rocks or the like. The
blade can strike the
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 mechanism is a safety
device. Never attempt
to bypass its operaLion,
Starting The Engine
Figure 4
NOTE: Referto the EngineManualpacked withyour
edgerfora detaileddescriph'onofall engine=related
controlsand components.
2, Movethe bladedepthcontrol leverto the left and place
intothe next lowernotch, Thenmakea pass along the
area to be edged beforeproceedingto the nextnotch,
Thefurther forwardthe blade depthcontrolleveris
moved,the deeperor lowerthe bladewill cut intothe
ground, Severalpassesmay be necessaryto obtain
the desireddepthof cut, Do not lowertheblade more
thanone depthnotch at a time withoutmakinga pass,
Tostart theedger'sengine,proceedas follows:
1, Movethe bladedepth controlleverbackto the
STARTpositionin the adiacent(top)notch,
2, Depressthe primerbulbthreetimes, pausingtwo to
threesecondsbetweeneachpush,In cold weather
(below50°F/19°C),it may be necessaryto depress
the primerbulb fouror five times,
3, For bestresults, proceedslowlyalong the pathbeing
edged,slowlymovingthe edger backand forth through
the cuttingarea,againmakingsureto keepthe left
rear wheelon the hard surfaceand the blade in the
cuttingpath,close to but not touchingthe edge of the
hard surface,
IMPORTANT:Usingthe primerto restarta warm
engineafter a short shutdownis usuallynotnecessary,
Doingso may resultin a floodedengine,
3, Standingbehindthe unit, depresstheblade control
and hold it againstthe upper handlewith yourleft
hand,
4, Onceyou havereachedthe end of yourcutting path,
raisethe bladecontrol leverbackinto the START
position,moveto the nextarea to be cut, and proceed
againfrom step 1,
WARNING: Thiscontrol mechanism
is a safety device. Never attempt to
bypass its operation.
Stopping The Engine
4, With yourright hand,graspthe recoilstarterhandb
and slowlypull the ropeoutwarduntil enginereaches
the startof its compressioncycle (therope will pull
slightlyharderat this point),
5, After slowlyallowingthe rope to recoil, pull the rope
with a rapid,continuous,full arm stroke,Keepa firm
grip on starter handlethroughoutthe entirestroke,
6, Allowthe starterhandb to slowlyreturnto therope
guide,
Tostop the edger'sengine,releasethe bladecontrol
handle,
NOTE: See yourenginemanua/packed with yourunit for
moredetailedinstructions.
NOTE: If the enginefails to startafter threepuffs,
depresstheprimeran additionaltwo timesbefore
pulling thestarterrope again.
8
Edging Along A Curb
NOTE: Edgerfeaturesvaryby model.All edgermodels
do NOTcome equippedto edge along a curb nor is there
a curb wheelkit availableto modifyyour edgerif it was
not purchasedequippedto do so.
On modelsso equipped,the right, rearwheelof the
edgercan be loweredintoone of five positionsto ease
the taskof edgingalong a curb,
Toadiustto the heightof the curbwheel, proceedas
follows:
1, Lowerthe right, rear wheelby movingthe curb height
adjustmentleverslightlyto the left, See Figure5,
2, Pivotthe right,rear wheelintoan applicablepositionin
relationto the heightofthe curbto be edgedalong,
3, Releasethe curb heightadiustmentleverto lock the
wheelin position,See Figure6,
4, Proceedback to step 1 underEdgingat the beginning
of this page,
Figure 5
NOTE: Severalpassesmay be necessaryto obtainthe
desireddepthof cut. Do notIowerblade morethanone
depthnotch at a time.
ustment Lever
Lowered Position
Figure 6
9
BevelAdjustment
NOTES:
NOTE: Edger featuresvary by mode/.A// edgermodels
doNOT come equippedwitha bevel adjustmentnor
is therea beveladjustmentkit availableto modifyyour
edgerif it wasnot purchasedequippedto do so.
Theangle of the edgerblade can be adiustedbyplacing
the beveladiustmentin one of threepositionsfor edging
or bevelededging,See Figure7,
WARNING
Rotating cutting blade
may throw objects
causing personaJ
injury.Keeparea clear
of bystanders and do
not operate without
guards in place.
Figure 7
_L
throw objects causing personal injury.
ARNING:
Rotating
cutting blade
may
Keep
area clear
of bystanders
and do
not operate without guards in place.
Beveling
in orderto achievea bevellededge,set the bevel
adjustmentlever(referto Figure7) in the first (left hand)
or third (righthand) notchto placethe edger blade in
positionfor beveling, See positionsbelowin Figure8,
Left Hand Position
Right Hand Position
Beveted Edging Positions
Figure 8
10
wire and ground against the engine
ARNING:
Dwconnect
the spark plug
before
performing
any adjustment,
repairs or maintenance.
_lb
_
Flange Lock Nut
Flywheel '.................................................................................................................
<--_'_/A!
ti/___
Lubrication
Engine
Refertothe EngineManualpackedwithyouredgerfora
detaileddescriptionof all engine=related
servicespecs,
Flat Side
WheeW
of Be,t
Lubricatethe wheelsand bearingsat least oncea
seasonwith a lightoil, Alsoif thewheels are removedfor
any reason,lubricatethe surfaceof the axle boltand the
inner surfaceof the wheelwith lightoil
Assemb,y
_VBSide
Guar
Figure 10
2, With yourother hand,carefullyreachunderthe rearof
the unit and removethe belt fromaroundthe engine
flywheelpulley,
3, Removethe spindlesheavesbelt guard byremoving
the two self4appingscrewswhich secureit to the
blade plateassembly,
4, Use two wrenches(one wrenchto preventthe hex
bolt headfrom spinningand the otherto removethe
flangenut) to removethe edger blade,
Refer to Figure11,
Pivot Points
Lubricatethe pivotpoints on the blade controlbail,blade
depthcontrollever,and if applicable,the blade adiust=
ment lever,and curb heightadiustmentleverwith light oil
at least oncea season,
Bearing Block
Lubricatethe bearingNeckonce a season,or as needed
by simplyapplyingoil at each end of thecover plate,
See Figure9,
The edger blade
is sharp. Wear
Wather work 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 maintenance.
Figure 11
Figure 9
5, Removeand discardthe edger bladebut retainthe
flangenut,
6, Installthe replacementedger bladeand the flangenut
removedearlier,
Replacing the Edger Blade
IMPORTANT:Usea torquewrenchto tightenthe flange
nutto between37 footqbs,and 50 footqbs,
Lubricate
WARNING: The edger blade issharp.
Wear leather work gloves to protect
your hands when working around the
edger blade.
7, Reinstallthe spindlebeltguard with the self tapping
screwsremovedearlier,
8, Carefullyplacethe drivebelt backonto theengine
flywheelpulley,and retightentheflange lock nuton
the top of the frame,
WARNING: Disconnect the spark plug
wire and ground against engine before
performing the following steps.
1, Workingin front of the edger,loosentheflange lock
nuton top of frame,allowingthe idler pulleyassembly
to pivotslightlyout from theframe,See Figure10,
IMPORTANT:Makecertainthat the drivebelt is
seatedcorrectlyon the blade spindleand that it is riding
smoothlyon the spindlesheavesand is notpinched
betweenthem,Repeatthefirst threestepsif the beltis
pinched,
\
11
Replacina the Drive Belt
j
Theedger drivebelt is subjectto wearand shouldbe
replacedif any signsof cracking,shreddingor rotting
are present.To replacethe belt, proceedas follows:
1. Working in front of the edger,loosentheflange
lock nut on top of frame,allowingthe idler pulley
assemblyto pivot slightlyoutfrom the frame.See
Figure10.
2. With yourotherhand,carefullyreachunderthe
rear of the unitand removethe beltfrom aroundthe
engineflywheelpulley.
3. Removethespindlesheavesbeltguard by removing
the two self=tappingscrewswhichsecure it to the
blade plateassembly.See Figure10.
4. Carefullyremovethe belt fromoff of the pulleys,
againmakingsureto notethe orientationof the belt.
Discardthe belt.
Never operate the
edger without the
spindle sheaves belt
guard in place.
the spindlesheaves route_tbackonto the two _d[er
.....
_ tk......
t _,,,t_,
th.......
_ _h,,_,
IMPORTANT:Toaid in reassemb[y,notethe orientation
of the drivebelton the two idler pulleysand the engine
flywheelpulleyprior to performingthe followingsteps.
Referto Figure10.
WARNING
5 Working
fromthefront
oftheedger,
p[acethe
be[tonto
_[[_'y_........
P................
_..... ' ......
IMPORTANT:Makecertainthat the"V" side of the belt
is seatedintothe top pulleyand the fiat side ofthe beltis
seatedintothe bottompulley.
6. Reinstallthe spindlesheavesbelt guardwith the self
tappingscrewsremovedearlier.
7. Makecertainthat thedrive beltis on the engine
flywheelpulleyand idler pulleys,and retightenthe
flangelock nuton the top of theframe.
IMPORTANT:Makecertainthat thedrive beltis seated
correctlyand that it is ridingsmoothlyon the spindle
sheavesand is not pinchedbetweenthem. Repeatthe
firstthree stepsif the belt is pinched.
WARNING: Never operate the edger
without the spindle sheaves belt guard
in place.
Installthereplacement
belt(PartNo.754_04032B)in
the
sameconfigurationthat theoriginalbeltwas routedas
follows:
Off-Season Storage
Observethefollowingwhenpreparingthe edgerfor
long-termstorage:
1. Cleanand lubricateunitthoroughlyas instructedon
page 11of this manual
2. Referto the EngineManualpackedseparately
with the edgerfor enginemanufacturers'sstorage
instructions.
3. Coatthe edger bladewith chassisgreaseto prevent
rustingand corrosion.
4. Storethe edgerin a dry, clean area.Donot store next
to anycorrosivematerials,such as lawnfertilizer.
5. Coatthe edger,especiallyany springsand bearings
with a lightoil or siliconespray.
IMPORTANT:Whenstoringanytype of powerequipment
in an poorlyventilatedor metalstorageshed, careshould
be takento rustproofthe equipment.
12
Problem
Possible Cause(s)
Corrective Action
Engine faiB to start
Dirty air cleaner
Engineneedsto be primed
Fueltank empty
Stalefuel in gasolinetank
Sparkplug wire disconnected.
Sparkplug fouled
Engineflooded
Referto the EngineManualpackedwithyour unit.
Pushprimerbulb two or threetimes.
Filltank withclean,fresh gasoline.
Draingasolineandrefilltank withclean,fresh gasoline.
Connectthe sparkplug wire to the sparkplug.
Clean, adjustgapor replacesparkplug.
Referto the EngineManualpackedwithyour unit.
Engine runs erratic
Sparkplug wire loose
Stalefuel in gasolinetank
Ventin gas cap plugged
Wateror dirt in fuel system
Dirty air cleaner
Carburetorout of adjustment
Connect andtighten sparkplug wire.
Draingasoline& refilltank with clean,fresh gasoline.
Clear vent of any debris.
Drainfuel tank. Refillwith freshfuel.
m
m
Referto the EngineManualpackedwith yourunit.
Referto the EngineManualpackedwith yourunit.
_
Engine Overheats
Engineoil levellow
Air flow restricted
Dirty air filter
Carburetornot adjustedproperly
Fillcrankcasewith properoil.
Clean the area aroundthe engine'scoolingfins.
Replacethe engine'sair filter.
Referto the EngineManualpackedwith yourunit.
Excessive Vibration
Edgerbladebent or damaged
Bladespindlebent or damaged
Replaceedgerblade.
Contactan authorizedMTDservicedealer.
Drivebelt Slips
Belt wornor stretched
Replacedrivebelt.
For parts and/or
accessories please
call 1-330-220-4683,
or 1-800-800-7310
www.mtdproducts.com
13
Model520
TfioStarBlade
PartLmst.
B
U
Spindle Assembmy
Model 550 & 520
PLEASE NOTE: Edger
features and compo=
nents vary by model.
NOT all parts listed
u
here and pictured on
this page are standard
equipment.
For parts and/or
accessories please
carl 1-330-220=4683,
or 1=800-800-F310
V=BELTSare speciallydesignedto engageand disen=
gage safely,A substitute(non=OEM)V=Beltcan
be dangerousby not disengagingcompletely,
www.mtdproducts.com
1
687=02126
Blade PlateAssembly
15
747=04110
BladeAdiustmentRod
2
710=04389
Hex Screw,5/16=18
16
750=04105
Spacer,,63 x 1,12x 1,06
3
710=0599
Self=tappingScrew,1/4=20
17
750=0547
Spacer,,64 x,88 x ,50
4
710=1143A
Hex Screw,5/8=18
18
754=04032B
Belt
5
712=0417A
FlangeNut,5/8=18
19
756=0449
Sheave
6
714=3010
CotterPin 3/32 x,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
Hand[elFrame/
Wheel Assembly
Model
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
Range LockNut,3/8q6
27
687_02022
Curb HeightAdiustmentLever
5
731_05063
DebrisGuard
28
687_02125
Curb HeightAdiusterPlate
6
736-0452
BellWasher,,396 x 1,140
29
710-0759
HexScrew5/16x 18
7
750_04142
PulleyMount Spacer
30
711_04361
Axle Shaft,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
PushCap 1/2"rod
11
710-0726
Hex Screw,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
Hex Screw,5/16q8
37
736-0234
FlatWasher,,385x 1,5x,075
15
712-04063
Lock RangeNut,5/16q8
38
738-04149
ShoulderScrew,3/8q6
16
720-0142
Grip
39
738-0929
ShoulderScrew,3/8q6
17
720-0279
Wing Nut
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
550 & 520
PLEASE NOTE: Edger
features and components 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 forth belowis givenby MTDLLCwith respectto
newmerchandisepurchasedand usedin the UnitedStates,its posses_
sionsand territories.
e, MTDdoes notextendany warrantyfor productssoldor exported
outsideof the UnitedStates,its possessionsand territories,except
those soldthroughMTD'sauthorizedchannelsof exportdistribution,
"MTD"warrantsthis productagainstdefectsin materialand workmanship
for a periodof two (2) yearscommencingon the dateof original purchase
and will, at its option,repairor replace,free of charge,anypart foundto
be defectivein materialsor workmanship.This limitedwarrantyshallonly
applyif this producthas beenoperatedand maintainedin accordance
with the Operator'sManualfurnishedwith the product,and hasnot been
subiectto misuse,abuse,commercialuse, neglect,accident,improper
maintenance,alteration,vandalism,theft, fire, water,or damagebecause
of otherperil or naturaldisaster.Damageresultingfrom the installationor
useof any part, accessoryor attachmentnot approvedby MTDfor use
with the product(s)coveredbythis manualwill voidyourwarrantyas to
any resultingdamage.
Normalwearparts are warrantedto be free fromdefects in materialand
workmanshipfora period of thirty (30) days from thedate of purchase.
Normalwearparts include,butare notlimitedto itemssuch as: batteries,
belts,blades,bladeadapters,grass bags,rider deck wheels,seats,snow
throwerskid shoes,shaveplates,augerspiralrubberand tires.
NOW TO OBTAmNSERVICE: Warranty service is available, WITH
PROOF OF PURCHASE,through your local authorized service
dealer. To locate the dealer in your area, check your Yellow Pages, or
contact MTD LLC at RO. Box 361131,Cleveland, Ohio 44136-0019, or
call 1-800-800-7310 or 1-330-220-4683 or log on to our Web site at
www.mtdproducts.com.
This limitedwarrantydoesnot providecoveragein the followingcases:
a. Theengine or componentpartsthereof.These itemsmaycarry a
separatemanufacturer'swarranty.Referto applbable manufacturer's
warrantyfor termsand conditions.
f, Replacementparts that are notgenuineMTDparts,
b. Log splitterpumps,valves,and cylindershavea separateone year
warranty.
c. Routinemaintenanceitemssuch as lubricants,filters, blade
sharpening,tune_ups,brakeadiustments,clutchadiustments,deck
adiustments,and normaldeteriorationof the exteriorfinishdue to use
or exposure,
g, Transportationchargesand servicecalls,
No implied warranty, including any implied warranty of merchant°
ability of fitness for a particular purpose, applies after the applicable
period of express written warranty above as to the parts as identified. No other express warranty, whether written or oral, except as
mentioned above, given by any person or entity, includinga dealer
or retailer, with respect to any product, shall bind MTD. During the
period of the warranty, the exclusive remedy is repair or replacement
of the product as set forth above.
The provisions as set forth in this warranty provide the sole and
exclusive remedy arising from the sale. MTDshall not be liable
for incidental or consequential loss or damage including, without
limitation, expenses incurred for substitute or replacement lawn care
services or for rental expenses to temporarily replace a warranted
product.
Somestatesdo not allowtheexclusionor limitationof incidentalor
consequentialdamages,or limitationson howlong an impliedwarranty
lasts,so the aboveexclusionsor limitationsmay notapplyto you.
In no eventshall recoveryof any kind be greaterthanthe amountof the
purchasepriceof the productsold. Alteration of safety features of the
product shall void this warranty. Youassumethe risk and liability for
loss,damage,or iniuryto youand yourpropertyand/or to others and their
propertyarisingout of the misuseor inabilityto use the product.
This limitedwarrantyshall notextendto anyoneotherthanthe original
purchaseror to the personfor whom it was purchasedas a gift.
NOWSTATELAW RELATESTO THISWARRANTY: This limitedwaF
rantygives youspecificlegal rights,and you mayabe haveother rights
which vary from stateto state,
IMPORTANT:OwnermustpresentOriginalProofof Purchaseto obtain
warrantycoverage,
d, Serviceeompbted bysomeoneotherthanan authorizedservice
dealer,
MTD LLC, P.O. BOX 381131 CLEVELAND,
OHIO 44138-0019;
Phone: 1-800-800-7310,
1-330-220-4883