MTD 25B-550A729 Operator`s manual

Safety • Assembly • Operation • Tips & Techniques • Maintenance
A
OF
O
• Troubleshooting • Parts Lists • Warranty
A
AL
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Gas Lawn Edger-
Model Series 520 & 550
iMPORTANT
READ SAFETY
RULES AND iNSTRUCTiONS
CAREFULLY
BEFORE
OPERATION
Warning: This unit is equippedwithan internalcombustionengineand shouldnot be usedon or nearany unimprovedforest-covered,brushcoveredor grass-coveredland unlesstheengine'sexhaustsystemis equippedwith a sparkarrestermeetingapplicablelocalor statelaws(if any).
If a sparkarresteris used,it shouldbe maintainedin effectiveworkingorder by the operator.In theState of Californiathe aboveis requiredbylaw
(Section4442 of the CaliforniaPublicResourcesCode). Otherstatesmay havesimilarlaws.Federallaws applyon federallands.A sparkarrester
for the muffleris availablethroughyour nearestengineauthorizedservicedealeror contactthe servicedepartment,RO. Box361131Cleveland,
Ohio 44136-0019.
PRINTEDIN U.S.A
MTD LLC, P.O. BOX 361131 CLEVELAND,
OHIO 44136-0019
FORMNO. 769-00527F
10/04/2004
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.
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 Model Number
BEFOREYOU STARTASSEMBLINGYOUR NEW EQUIP-
f
MENT,please locate the model plate on the equipment and
copy the informationto the sample model plate provided to
the right. You can locate the model plate by standing at the
operating position and looking down at the rear of the gas
lawn edger. This informationwill be necessary to use the
manufacturer'sweb site and/or help from the Customer Support Departmentor an authorized service dealer.
Model Number
Serial Number
MTD LLC
P.O. BOX
CLEVELAND,
330
-220
800-800-7310
®
www.mtdproducts.com
Customer
Please
do NOTreturn
purchased,
16
without
361131
OH 44136
-4683
Support
the unit to the retailer
first contacting
If you have difficulty assemblingthis product or have any
questions regardingthe controls, operation or maintenanceof
this unit, you can seek help from the experts. Choose from the
options below:
from
Customer
which
it was
Support.
Click here to search our knowledge base.
Search by product,
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.
keyword, or phrase.
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 responsible for all enginerelated 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 information.
Need a manual and/or parts list? Download
literature from recent model years.
2
7"
YourSafetyLabels
Pleasetakea momentto reviewyour safetylabels.
LJ
Labels
S321
3
WARNING: Engine Exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to State of Californiato cause cancer and
birth defects or other reproductiveharm.
DANGER: This machine was built to be operated according to the rules for safe operation in this
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. Ifgasolineisspilled,wipeit offthe engineandequipment.Move
unitto anotherarea.Wait5 minutesbeforestartingengine.
13. Neverstore the machineor fuel containernear an open
flame,spark or pilot light as on a water heater,space heater,
furnace,clothesdryeror othergas appliances.
Tragicaccidentscan occur if operatoris not alert to presence
of children.Childrenare oftenattractedto powerequipment
suchas lawnedgers.Theydo not understandthe dangers.
Neverassumethatchildrenwill remainwhereyou lastsaw
them.
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 mowingareaand underwatchful
careof a responsibleadultotherthanthe operator.
2. Be alert andturn lawnedgeroff if a childentersthe area.
3. Beforeand whilemovingbackwards,look behindanddown
forsmallchildren.
RNING
This symbol points
i out important safety
instructionswhich, if
not followed, could
endangerthe personal
i safety and/or property
I of yourself and others.
Read and follow all
instructions in this man-
6,
Neverallowchildrenunder14 yearsoldto operatean
edger.Children14 yearsold and overshouldreadand
understandoperationinstructionsandsafetyrulesinthis
manualandshouldbe trainedandsupervisedbya parent.
Safe Handling Of Gasoline:
Your
Responsibility
6. Keepthe nozzle incontactwith 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.
Restrict the use
i of this power machine
i to personswho read,
understand
and follow the warnings
and instructions
in this manual
and on the machine.
2. This machineis a precision pieceof powerequipment,not a
plaything.Therefore,exerciseextremecaution at all times.
Yourunit has been designedto performonejob: to mow
grass.Do not use it for any otherpurpose.
3. Neverallow childrenunder 14yearsold to operatethis
machine.Children 14yearsold and overshould readand
understandthe instructionsinthis manualandshould
be trainedand supervisedby a parent.Onlyresponsible
individualswho arefamiliar withthese rulesof safe operation should be allowedto use this machine.
Operation
HEED ITS WARNING
these instructions may
i result in personal injury.
i When you see this
_ symbol.
1. Readthis operator'smanual carefully inits entiretybefore
attemptingto assemblethis machine.Read,understand,
andfollowall instructionson the machineandin the
manual(s) beforeoperation.Be completelyfamiliarwith
the controls andthe proper useof this machinebefore
operatingit. Keepthis manualin a safe place forfuture and
regularreferenceandfor orderingreplacementparts.
4. Useextremecare when approachingblind corners,
doorways,shrubs,trees,or otherobjectsthat may obscure
yourvisionof a child whomay run intothe lawnedger.
5. Keepchildrenawayfrom hot or runningengines.Theycan
sufferburnsfrom a hot muffler.
1. Toavoid personalinjury or propertydamage use
extremecare in handlinggasoline,Gasolineis extremely
flammableand the vapors are explosive,Serious personal
injury can occur when gasolineis spilledon yourselfor
yourclotheswhichcan ignite,
2. Washyourskin andchangeclothesimmediately,
3. Useonly an approvedgasoline container,
4. Neverfill containersinsidea vehicle or on a truck or trailer
bedwith a plastic liner,Alwaysplace containerson the
groundawayfrom yourvehicle beforefilling.
5. Removegas-poweredequipmentfrom the truck or
trailer andrefuel it on the ground. Ifthis is not possible,
then refuelsuch equipmenton a trailer witha portable
container,ratherthan from a gasolinedispensernozzle.
ual before attempting to
operate this machine.
Failureto comply with
General Operation:
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.Stop machineif anyoneentersarea.
5. Thoroughlyinspectthe area wherethe equipmentis to be
used. Removeall stones, sticks,wire, bones,toysand other
foreignobjectswhichcould be tripped overor picked up
andthrown bythe blade.Thrownobjectscan causeserious
personalinjury.
6. Alwayswearsafetyglasses or safetygogglesduringoperation andwhile performingan adjustmentor repairto protect
youreyes. Thrownobjectswhich ricochetcan causeserious
injury to the eyes.
7. Wearsturdy, rough-soledworkshoesand close-fitting
slacksandshirts. Shirtsand pantsthatcoverthe arms and
legs andsteel-toedshoesare recommended.Neveroperate
this machinein bare feet,sandals, slipperyor lightweight
(e.g. canvas)shoes.
8. Neverfuel machineindoorsbecauseflammablevapors
will accumulateinthe area.
9. Neverremovegas cap or addfuel whileengine is hot or
running. Allow engineto cool at least two minutesbefore
refueling.
10. Neverover fill fuel tank. Filltank to no morethan Y2inch
8. Neverattemptto makeany adjustmentswhilethe engine
is running,exceptwhere specificallyrecommendedinthe
operator'smanual.
belowbottomof filler neckto providefor fuel expansion.
11. Replacegasolinecap andtighten securely.
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 yourselfor 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 bladeandengine mountingbolts atfrequent
intervalsfor propertightness.Also,visuallyinspectblade
fordamage(e.g.,bent,cracked,worn) Replacebladewith
the originalequipmentmanufacture's(O.E.M.)bladeonly,
listedin this manual."Useof partswhichdo not meetthe
originalequipmentspecificationsmay leadto improper
performanceand compromisesafety!"
4. Lawnedgerbladesare sharpand can cut.Wrapthe blade
or weargloves,and use extracautionwhenservicingthem.
5. Keepall nuts,bolts, andscrewstight to be surethe equipmentis insafe workingcondition.
6. Nevertamperwithsafetydevices.Checktheir proper
operationregularly.
7. Afterstrikinga foreignobject,stop the engine,disconnect the sparkplug wire andgroundagainstthe engine.
Thoroughlyinspectthe lawnedgerfor any damage.Repair
the damagebeforestartingandoperatingthe lawnedger.
8. Neverattemptto makea wheel or cuttingheightadjustmentwhilethe engine is running.
10.Do not put handsor feet near rotatingparts.Contactwith
the rotatingbladecan amputatehandsandfeet.
11.The bladecontrol handle is a safetydevice.Neverbypass
its operation.Doingso, makesthe machineunsafeand may
cause personalinjury.
12.Neveroperatewithout bladeguard,debris shieldand blade
control handle in placeand working.
13.Neveroperatewith damagedsafetydevices.Failureto do
so, can resultin personalinjury.
14.Neverrun an engine indoorsor ina poorly ventilatedarea.
Engineexhaustcontainscarbonmonoxide,an odorlessand
deadlygas.
15.Do not operate machinewhileunderthe influenceof alcohol
or drugs.
16.Mufflerand engine becomehot andcan causea burn.Do
not touch.
9. Manycomponentson your new edgercan wearwith
continueduse. For safetyprotection,frequentlycheck
all edgercomponentsandreplaceimmediatelywith
originalequipmentmanufacturer's(O.E.M.)parts only,
listed inthis manual."Use of parts whichdo not meetthe
originalequipmentspecificationsmay lead to improper
performanceand compromisesafety!"
10. Do not changethe enginegovernorsettingor overspeed
the engine.The governorcontrolsthe maximumsafe
operatingspeed of the engine.
11. Maintainor replacesafetylabels,as necessary.
12. Observeproperdisposallawsand regulations.Improper
disposalof fluidsand materialscan harmthe environment.
17.Neveroperatethis machinewithoutgood visibility or light.
Alwaysbe sure of yourfooting and keepa firmhold on the
handles.Walk, neverrun.
18.Do not operatethis machineif it has beendroppedor damaged. Returnmachineto your nearestauthorizedservicing
dealerfor examinationand repair.
19.Do not operatethis machinewitha damagedor excessively
worncutting blade.
20. Neverattemptto clear materialfrom the bladeguardwhile
the engine is running.Shutthe engine off, disconnectthe
spark plug wire andground againstthe engineto prevent
unintendedstarting.
21. Do not overloadmachinecapacityby attemptingto edge at
too fast of a rate.
22. Stay alert for unevensidewalks,terrain etc. Alwayspush
slowly overroughsurfaces.Do not use this machineon
gravel surfaces.
23. Do not operate machinein rain or wet soil conditions.
Alwaysoperatemachinefrom behindthe handlesand
positionyourself wherethe direct line of sight to cutting
blade is blockedby guards.
Practices
WARNING
This symbol points
out important safety
instructions which, if
not followed, could
endangerthe personal
safety and/or property
of yourselfand others.
Read and follow all
instructions in this manual before attempting to
operate this machine.
Failureto comply with
these instructions may
result in personal injury.
Whenyou see this
symbol.
24. Alwaysstop enginewhen edging or trimming is delayedor
when transportingmachinefrom one locationto another.
Neverleave a runningmachineunattended.Stopthe
engine,disconnectspark plug wireand groundagainstthe
engine to preventunintendedstarting.
25. Only use parts andaccessoriesmade forthis machineby
the manufacturer.Failureto do so, can result in personal
injury.
26. Ifsituationsoccur whichare not coveredinthis manual,use
HEED ITS WARNING
Your
Responsibility
Restrict the use
care andgood judgment.Telephone330-220-4683 or
1-800-800-7310 for CustomerSupport andthe name of
your nearestdealer.
of this power machine
to persons who read,
understand
Service
and follow the warnings
and instructions
in this manual
1. Neverrunan engineindoorsor in a poorlyventilatedarea.
Engineexhaustcontainscarbonmonoxide,an odorlessand
deadlygas.
and on the machine.
5
Securing the Handle
UpperHandle
\
IMPORTANT:This unitis shippedWITHOUTGASOLINE.
After settingup the unit, serviceengine with gasolineas
instructed
in the separateenginemanualpackedwith your
unit. Be sureto serviceengine with the oil enclosedwith
this unit as instructedin the separateenginemanual.
NOTE: Referenceto right or left hand side of the edger is
observedfromthe operatingposition.
Positioning the Edger Handles
1. Removeand discardanypackagingcardboardthat
may be presentbetweenthe upper handleand the
lowerhandle.
2. Depressthe bladecontrolat thetop of the upper
handleand pivot the upperhandleupwarduntil it
snapsinto place.
3. Tightenthe handknobs,whichare locatedon boththe
left and rightsides of the handle.See Figure2.
Wing Knob
RopeGuide
Figure 1
Attaching the Starter Rope
HandKnobs
UpperHandle
1. Locatethe ropeguide foundon the rightsideof the
upperhandle.
2. Loosen,butdo NOT remove,the wingknobwhich
securesthe rope guideto the upper handle.See
Figure1.
3. Standbehindthe unitand holdthe blade control
WARNING
The edger blade
WILL rotate when the
starter rope is pulled.
againstthe upperhandleand gently pull the starter
rope outof the engine.
WARNING: The edger blade WILL
rotatewhen the starter ropeis pulled.
NOTE: The starterropewill not pull out of
the engineunlessthe bladecontrol (referto Figure1)
is depressedagainstthe upperhandle.
LowerHandle
iMPORTANT:
1. Slip the starterropethroughthetop of the ropeguide.
2. Retightenthe wing knobwhichsecuresthe ropeguide
to the upperhandle.
Figure 2
This unit is shipped
WITHOUT GASOLINE.
_,ftersetting up the
unit, service engine
with gasoline as instructed in the separate
engine manual packed
with your unit. Be sure
to service engine with
the oil enclosed with
this unit as instructed
in the separate engine
manual.
6
Pull Rope/ Recoil Starter
Depth Control Lever
(TransportPositionShown)
Curb Wheel Adjustment Lever
(ifso equipped)
BevelAdjustmentLever
(if so equipped)
WARNING:
NOTE: Wheeland bladestyles vary by model.
Your modelmay differ slightly.
Model 550 show here.
Primer
Belt Guard
Figure 3
Blade Depth Control Lever
_
__
¸¸¸¸¸2
Be familiar with all controls and
ARNING:
their proper operation. Know how
to stop the machine and disengage
them quickly.
The bladedepthcontrol leveris locatedon the right side
of the upper handle.It is usedto controlthe depthof the
cut. Thefurther forwardthe bladedepthcontrolleveris
moved,the deeperinto the soilthe edger bladewill cut.
See Figure3.
NOTE: Refer to theEngineManualpacked withyour
edger fora detaileddescriptionofall engine-related
controlsand components,
Bevel Adjustment Lever (if so equipped)
The beveladjustmentlever,if soequipped,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 startingtheengine.Use it to start a coldengine,
but do not useit to restarta warmengineafter a short
shutdown.
Be familiar with all
controls and their
proper operation.
Know how to stop the
machine and disengage them quickly.
NOTE: Referto
the Engine Manual
packed with your
edger for a detailed
description of all engine-related controls
and components.
Curb Height Adjustment Lever
(if so equipped)
The curbheightadjustmentlever,if so equipped,is
foundon the rear portionof the edger.Whenplacedin
an applicablenotch,it aidsin stabilizingthe edger while
edginggrass alonga curb. See Figure3.
NOTE: Refer to theEngineManualpacked withyour
edger fora detaileddescriptionofall engine-related
controlsand components.
IMPORTANT: Becomefamiliarwith all the controls
Blade Control
beforeoperatingtheedger.
IMPORTANT:
Become familiar with
all the controls before
operating the edger.
Locatedon the upperhandle,the bladecontrolmustbe
depressedagainstthe upperhandlein orderto operate
the unit. Releasingthe bladecontrolstopsthe engine
and the edgerblade. See Figure3.
7
_i:i_ii!!!.
i!!_....
_ iiii
i
_ .............
i_
i_ i I
iiii
opo ti°g
The operationof any edgercanresult
inforeign objectsbeingthrown intothe
eyes,whichcanresult in severeeye
damage.Alwayswearsafetyglasses
or eyeshields.We recommendwide
visionsafetymask for overspectaclesor
standardsafetyglasses.
Edging
Tobegin edging,proceedas follows:
1. Movethe unit overto thearea to be edged,making
surethat the left rearwheelis on a hard surfaceand
the bladeis overthe area to be cut. See Figure4.
WARNING: Do not lowerblade if blade
is over concrete,asphalt,rocksor the
like.The blade can strikethe supportingsurface,resulting in personal
injuryor propertydamage.
Adding GasolineAnd Oil
Servicethe enginewith gasolineand oil as instructed
inthe EngineManualpackedwith your edger.Read
instructions
carefully.
_
with enginerunningor until the engine
ARNING:
Neverto
fillcoolfor
fuel tank
has
been allowed
at indoors,
least
two minutesafter running.
WARNING
Starting The Engine
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.
NOTE: Refer to theEngineManualpacked withyour
edger fora detaileddescriptionof all engine-related
controlsand components.
Never fill fuel tank
IMPORTANT:Usingthe primerto restarta warm
engineafter a short shutdownis usuallynotnecessary.
Doingso may resultin a floodedengine.
indoors,with engine
running or until the
engine has been
allowed to cool for
at least two minutes
nism is a safety
device. Never attempt
to bypass its operation.
.
Tostart theedger'sengine,proceedas follows:
Movethe bladedepthcontrol leverbackto the
STARTpositionin the adjacent(top) notch.
2. Depressthe primerbulbthreetimes, pausingtwo to
threesecondsbetweeneachpush. Incold weather
(below50°F/19°0), it may be necessaryto depress
the primerbulb fouror five times.
.
_
Movethe bladedepthcontrol leverto the left and place
intothe next lowernotch. Thenmakea pass alongthe
areato be edged beforeproceedingto the next notch.
Thefurther forwardthe bladedepthcontrolleveris
moved,the deeperor lowerthe bladewill cut intothe
ground. Severalpassesmay be necessaryto obtain
the desireddepthof cut. Donot lowertheblade more
thanone depth notchat a time withoutmakinga pass.
3. For best results,proceedslowlyalong the pathbeing
edged,slowlymovingthe edgerback and forth through
the cuttingarea, againmakingsureto keepthe left
rear wheelon the hard surfaceand the blade inthe
cuttingpath,close to but not touchingthe edge of the
hard surface.
4. Onceyou havereachedthe end of your cuttingpath,
raisethe bladecontrol leverbackintothe START
position,moveto the next area to be cut, and proceed
againfrom step 1.
3. Standingbehindthe unit, depresstheblade control
and hold itagainstthe upper handlewith yourleft
hand.
after running.
This control mecha-
Figure 4
is a safetydevice.Neverattempt to
ARNING: Thiscontrolmechanism
bypass its operation.
Stopping The Engine
Tostop the edger'sengine,releasethe bladecontrol
handle.
4. With yourrighthand,graspthe recoilstarterhandle
and slowlypull the ropeoutwarduntil enginereaches
the startof its compressioncycle(the rope will pull
slightlyharderat this point).
5. After slowlyallowingthe ropeto recoil,pull the rope
with a rapid,continuous,full arm stroke.Keepa firm
grip on starterhandlethroughoutthe entirestroke.
6. Allowthe starterhandleto slowlyreturnto the rope
guide.
NOTE: Seeyour enginemanualpackedwithyour unit for
moredetailedinstructions.
NOTE: If the enginefails to startafter threepulls,
depresstheprimeran additionaltwo timesbefore
pulling thestarterrope again.
8
EdgingAlongA Curb
NOTE: Edgerfeaturesvary bymodel. All edgermodels
do NOTcome equippedto edge along a curbnor is there
a curb wheelkit availableto modifyyour edger if it was
notpurchasedequippedto do so.
On modelsso equipped,the right, rearwheelof the
edgercan be loweredintoone of five positionsto ease
thetask of edgingalong a curb.
i
.Makng
Adjustments
Curb Neigh
Adjustment
Lever
Toadjustto the heightof the curbwheel, proceedas
follows:
1. Lowerthe right,rear wheelby movingthe curb height
adjustmentleverslightlyto the left. See Figure5.
2. Pivottheright, rearwheelintoan applicablepositionin
relationto the heightof thecurbto be edgedalong.
3. Releasethe curb heightadjustmentleverto 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 not lowerblade morethanone
depthnotch at a time.
ustment Lever
LoweredPosition
Figure 6
9
BevelAdjustment
NOTES:
NOTE: Edgerfeaturesvary bymodel. All edgermodels
do NOTcome equippedwitha bevel adjustmentnor
is therea beveladjustmentkit availableto modifyyour
edger if it was notpurchasedequippedto do so.
Theangle of the edgerblade can be adjustedbyplacing
the beveladjustmentin one of threepositionsfor edging
or bevelededging.See Figure7.
Bevel Adjustment
Lever
WARNING
Rotatingcuttingblade
may throwobjects
causingpersonal
injury.Keeparea clear
of bystanders and do
not operatewithout
guardsin place.
Figure 7
,_
throw objects causingpersonalinjury.
WARNING: Rotating cuttingblade may
Keep area clear of bystanders and do
not operate without guards in place.
Beveling
in order to achievea bevellededge,set the bevel
adjustmentlever(referto Figure7) in the first (left hand)
or third (righthand) notchto placethe edger blade in
_ositionfor beveling. See positionsbelowin Figure8.
Left Hand Position
Right Hand Position
Beveled Edging Positions
Figure 8
10
WARNING: Disconnectthe spark plug
,_
_
wire
and
groundagainstthe
engine
before
performing
anyadjustment,
repairsor maintenance.
Flange LockNut
Flywheel'
_IAI
_I_
Lubrication
Engine
Pulley
Refertothe EngineManualpackedwithyouredgerfora
detaileddescriptionof all engine-related
servicespecs.
o,oe,,
Wheels
Lubricatethe wheelsand bearingsat least oncea
seasonwith a lightoil. Also if thewheels are removedfor
any reason,lubricatethe surfaceof the axle boltand the
inner surfaceof the wheelwith lightoil.
°voes';
e 0oo,,
Figure 10
i
2. With yourotherhand,carefullyreachunder the rearof
the unit and removethe belt fromaroundthe engine
flywheelpulley.
3. Removethe spindlesheavesbelt guardby removing
the two self-tappingscrewswhich secureit to the
bladeplateassembly.
4. Usetwo wrenches(one wrenchto preventthehex
bolthead fromspinningand the otherto removethe
flangenut) to removethe edger blade.
Referto Figure11.
Pivot Points
Lubricatethe pivot pointson the blade controlbail,blade
depthcontrollever,and if applicable,the blade adjustment lever,and curb heightadjustmentleverwith lightoil
at least oncea season.
Bearing Block
Lubricatethe bearingblock oncea season,or as needed
by simplyapplyingoil at eachend of thecover plate.
See Figure9.
Hex Bolt Head
Flange Nut
Figure 11
5. Removeand discardthe edgerblade but retainthe
flangenut.
6. Installthe replacementedgerblade and the flangenut
removedearlier.
Figure 9
Replacing the Edger Blade
_
_
IMPORTANT:Usea torquewrenchto tightenthe flange
nutto between37 foot-lbs,and 50 foot-lbs.
7. Reinstallthe spindlebeltguard with the self tapping
screwsremovedearlier.
8. Carefullyplacethe drivebelt backonto theengine
flywheelpulley,and retightentheflangelock nut on
the top of the frame.
Wear leather work gloves to protect
ARNING: The edger blade is sharp.
your hands when working around the
edgerblade.
wire and ground against engine before
WARNING: Disconnectthe spark plug
performingthe following steps.
i
i
_
i
WARNING
The edger blade
is sharp. Wear
leather work gloves
to protect your hands
when working around
the edger blade
Model 550
shownhere
Lubricate
i
1. Workingin front of the edger,loosentheflange lock
nuton top of frame,allowingthe idler pulleyassembly
to pivot slightlyout from theframe.See Figure10.
11
IMPORTANT:Makecertainthat the drivebelt is
seatedcorrectlyon the blade spindleand that it is riding
smoothlyon the spindlesheavesand is notpinched
betweenthem.Repeatthe first threestepsif the beltis
pinched.
Disconnect the spark
plug wire and ground
against the engine
before performing
any adjustment,
repairs or maintenance,
5. Workingfrom the frontof theedger,placethe beltonto
the spindlesheaves,routeit backonto thetwo idler
IMPORTANT:Toaid in reassembly,notethe orientation
pulleys,and thenplace it ontothe engineflywheel
of the drivebelt on the two idlerpulleysand the engine
pulley.
flywheelpulleyprior to performingthe followingsteps.
IMPORTANT:Makecertain that the "V"side of the belt
Referto Figure10.
is seatedinto thetop pulleyand the flat sideof the beltis
Theedger drivebelt issubjectto wear and shouldbe
seatedintothe bottompulley.
replacedif any signsof cracking,shreddingor rotting
6. Reinstallthe spindlesheavesbelt guardwith the self
are present.To replacethe belt, proceedas follows:
tappingscrews removedearlier.
1. Workingin front of the edger,loosentheflange
7. Makecertain thatthe drive beltis on the engine
lock nut on top of frame,allowingthe idler pulley
flywheelpulleyand idler pulleys,and retightenthe
assemblyto pivot slightlyoutfrom the frame.See
flangelock nuton the topof theframe.
Figure10.
IMPORTANT:Makecertain that the drivebelt is seated
2. With yourotherhand,carefullyreachunderthe
rear of the unitand removethe beltfrom aroundthe
correctlyand that it is ridingsmoothlyon the spindle
engineflywheelpulley.
sheavesand is not pinchedbetweenthem.Repeatthe
3. Removethe spindlesheavesbeltguard by removing first threestepsif the belt is pinched.
the two self-tappingscrewswhich secureit to the
blade plateassembly.See Figure10.
without the spindle sheaves belt guard
4. Carefullyremovethe belt fromoff of the pulleys,
__k
ARNING: Never operate the edger
in place.
again makingsureto notethe orientationof the belt.
Discardthe belt.
Replacing the Drive Belt
WARNING
Neveroperatethe
edgerwithoutthe
spindlesheavesbelt
guardin place.
Installthereplacement
belt(PartNo.754-04032B)inthe
sameconfigurationthat theoriginalbeltwas routedas
follows:
Off-Season Storage
Observethe followingwhenpreparingthe edgerfor
long-termstorage:
1. Cleanand lubricateunit thoroughlyas instructedon
page 11of this manual.
2. Referto the EngineManualpackedseparately
with the edgerfor enginemanufacturers'sstorage
instructions.
3. Coatthe edger bladewith chassisgreaseto prevent
rustingand corrosion.
4. Storetheedger in a dry,cleanarea. Do notstore next
to anycorrosivematerials,such as lawnfertilizer.
5. Coatthe edger,especiallyany springsand bearings
with a lightoil or siliconespray.
IMPORTANT:Whenstoringanytype of powerequipment
in an poorlyventilatedor metal storageshed,care should
be taken to rustproofthe equipment.
12
TroubleshootingGuide
Problem
PossibleCause(s)
CorrectiveAction
Engine fails to start
Dirty air cleaner
Engineneedsto be primed
Fueltank empty
Stalefuel in gasolinetank
Spark plug wiredisconnected.
Spark plugfouled
Engineflooded
Referto the EngineManualpackedwithyour unit.
Pushprimerbulb two or threetimes.
Filltank withclean,fresh gasoline.
Draingasolineand refilltank withclean,freshgasoline.
Connectthe spark plug wire to the spark plug.
Clean,adjust gapor replacespark plug.
Referto the EngineManualpackedwithyour unit.
Engine runs erratic
Spark plug wire loose
Stalefuel in gasolinetank
Ventin gas cap plugged
Wateror dirt infuel system
Dirty air cleaner
Carburetorout of adjustment
Connectand tighten sparkplug wire.
Draingasoline& refilltank with clean,fresh gasoline.
Clear vent of anydebris.
Drainfuel tank. Refillwith fresh fuel.
Engine Overheats
Engineoil levellow
Air flowrestricted
Dirty air filter
Carburetornot adjustedproperly
Fillcrankcasewith properoil.
Clean the area aroundthe engine'scoolingfins.
Replacethe engine'sair filter.
Referto the EngineManualpackedwith yourunit.
ExcessiveVibration
Edgerbladebent or damaged
Bladespindlebentor damaged
Replaceedgerblade.
Contactan authorizedMTDservicedealer.
Drivebelt Slips
Belt wornor stretched
Replacedrivebelt.
Referto the EngineManualpackedwith yourunit.
Referto the EngineManualpackedwith yourunit.
For parts and/or
accessories please
call 1-330-220.468&
3r 1-800-800-7310
www.mtdproducts.com
13
Model520
Tri-Star Blade
;pindleAssembly
PLEASE NOTE: Edger
features and components vary by model.
NOT all parts listed
here and pictured on
this page are standard
equipment.
For parts and/or
accessories please
call 1.330-220-4683,
or 1-800-800-7310
V-BELTSare speciallydesignedto engageand disengage safely.A substitute(non-OEM)V-Beltcan
be dangerousby not disengagingcompletely.
www.mtdproducts.com
1
687-02126
Blade PlateAssembly
15
747-04110
BladeAdjustmentRod
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
Flat Washer.635x1.24x.181
26
736-0342
Flat Washer,.260x.72
13
738-0706B
ShoulderScrew
27
787-01075A
CoverPlate
14
741-0524
Bearing,.625 ID x 1.57OD
14
@
1
710-0191
Screw3/8-24
24
749-04184
LowerHandle
2
710-0411
Screw3/8-16
25
781-0741A
Depthindex Bracket
3
710-0654A
Screw,3/8-16
26
781-0742
Depthindex Lever
4
712-04065
FlangeLockNut,3/8-16
27
687-02022
CurbHeightAdjustmentLever
5
731-05063
DebrisGuard
28
687-02125
CurbHeightAdjusterPlate
6
736-0452
Bell Washer,.396 x 1.140
29
710-0759
HexScrew5/16 x 18
7
750-04142
PulleyMountSpacer
30
711-04361
Axle Shaft.50x6.65
8
756-04148
Fiat Idler Pulley,2.50D
31
711-04392A
FrameSpacer.50x9.25
9
756-1150A
CombinationFlywheelPulley
32
712-04065
FlangeNut 3/8-16
10
787-01229
Frame
33
726-0299
PushCap 1/2"rod
11
710-0726
HexScrew,5/16-12
34
732-04045
TorsionSpring
12
710-1174
CarriageBolt, 5/16-18
35
734-1987
Wheel8xl.8
13
710-1205
RopeGuide (EyeBolt)
36
734-1988
Wheel7xl.8
14
710-3180
Hex Screw,5/16-18
37
736-0234
FlatWasher,.385x 1.5x.075
15
712-04063
Lock FlangeNut,5/16-18
38
738-04149
ShoulderScrew,3/8-16
16
720-0142
Grip
39
738-0929
ShoulderScrew,3/8-16
17
720-0279
Wing Nut
40
750-04129
Spacer
18
720-04052
HandKnob
41
787-01239
DualWheel Bracket
19
732-0369
CompressionSpring
42
711-04362
Spacer
20
746-04035
ControlCable(Briggs&Stratton)43
736-0232
WaveWasher
21
746-04036
WheelAdjustmentCable
44
750-04427
Spacer,.525x .775x .1125
22
747-0976A
BladeControl
45
750-04428
Spacer,.525x.775 x.3125
23
749-04183
UpperHandle
46
787-01240
WheelBracket
15
PLEASE NOTE: Edger
features and components vary by model.
NOTall parts listed
here and pictured on
this page are standard
equipment.
For parts and/or
accessories please
call 1-330-220-4683,
or 1-800-800-7310
www.mtdproducts.com
MANUFACTURER'S
LiMiTED WARRANTY
FOR
The limitedwarrantyset forth belowisgivenby MTDLLCwith respectto
newmerchandisepurchasedand usedin the UnitedStates,its possessionsand 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 originalpurchase
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 has not been
subjectto 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 attachmentnotapprovedby MTDfor use
with the product(s)coveredbythis manualwill voidyourwarrantyas to
any resultingdamage.
Normalwearparts are warrantedto be free fromdefects in materialand
workmanshipfor a periodof thirty (30) days fromthe dateof purchase.
Normalwearparts include,butare notlimitedto itemssuch as: batteries,
belts,blades,bladeadapters,grass bags, riderdeck wheels,seats, snow
throwerskid shoes,shaveplates,augerspiralrubberand tires.
HOW TO OBTAIN SERVICE: 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. Theengineor componentparts thereof.These itemsmaycarry a
separatemanufacturer'swarranty.Referto applicablemanufacturer's
warrantyfor termsand conditions.
f. Replacementpartsthat are not genuineMTDparts.
b. Log splitterpumps,valves,and cylindershavea separateone year
warranty.
c. Routinemaintenanceitemssuch as lubricants,filters, blade
sharpening,tune-ups,brakeadjustments,clutchadjustments,deck
adjustments,and normaldeteriorationof the exteriorfinish due to use
or exposure.
g. Transportationchargesand servicecalls.
No impliedwarranty,includingany impliedwarranty of merchantability of fitness for a particularpurpose,applies after the applicable
periodof express written warranty above as to the partsas identified. No other express warranty, whether written or oral, except as
mentionedabove, givenby any personor entity,includinga dealer
or retailer,with respect to any product,shallbind MTD. Duringthe
periodof the warranty, the exclusive remedyis repairor replacement
of the productas set forth above.
The provisionsas set forth in this warranty providethe sole and
exclusive remedy arising from the sale. MTDshall not be liable
for incidentalor consequential loss or damage including,without
limitation, expenses incurredfor substitute or replacementlawn care
services or for rentalexpenses to temporarily replacea 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 greaterthan theamountof the
purchasepriceof the productsold. Alterationof safetyfeatures of the
productshall void this warranty. Youassumethe risk and liability for
loss, damage,or injuryto youand your propertyand/orto others and their
propertyarisingout of the misuseor inabilityto use theproduct.
This limitedwarrantyshall notextendto anyoneotherthanthe original
purchaseror to the personfor whom itwas purchasedas a gift.
HOW STATELAW RELATESTO THISWARRANTY: This limitedwarrantygives youspecificlegal rights,and you mayalso haveother rights
which vary from stateto state.
IMPORTANT: OwnermustpresentOriginalProofof Purchaseto obtain
warrantycoverage.
d. Servicecompletedby someoneotherthanan authorizedservice
dealer.
MTD LLC, P.O. BOX 361131 CLEVELAND,
OHIO 44136-0019;
Phone: 1-800-800-7310,
1-330-220-4683