MTD 450 SERIES Owner's manual

Brand: MTD

Model: 450 SERIES

Category: Mini tillers

Type: Owner's manual

This manual is also suitable for

Safety • Assembly • Operation • Tips &Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty

OF A O AL

*ModelSeries460Shown

Chipper Shredder- Model Series 450 and 460

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,itshouldbemaintainedineffectiveworkingorderbytheoperator.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.770-10048J

5/9/2007

This Operator's IVlanual is an important part of your new chipper shredder, it will help you assemble, pre-

pare and maintain the unit for best performance. Please read and understand what it says.

Table of Contents

Customer Support .............................................. 2

Safety Labels ...................................................... 3

Safe Operation Practices ................................... 4

Setting UpYour Chipper Shredder .................... 6

Operating Your Chipper Shredder ................... 10

Maintaining Your Chipper Shredder ................ 12

Troubleshooting ................................................ 14

Parts List ........................................................... 16

Warranty ............................................................ 20

EspaSol .............................................................. 21

Finding and Recording Model Number

BEFOREYOU STARTASSEMBLING

YOURNEW EQUIPMENT,

pleaselocate the model plateon the equipment and copy

the informationtothe samplemodel plate providedto the

right.Youcan locatethe modelplate by standing behind the

unitand looking down at the frame belowtheengine.This

informationwill benecessary to usethe manufacturer'sweb

site and/or obtainassistancefromthe CustomerSupport

Departmentoran authorizedservice dealer.

Model Number

www.mtdproducts.com

Serial Number

MTD LLC

P.O. BOX 361131

CLEVELAND, OH 44136

330 -220-4683

800-800-731 0

Customer Support

Please do NOTreturn the unit to the retailer from which it was

purchased, without first contacting Customer Support.

Ifyou havedifficultyassemblingthis productor haveany questionsregardingthecontrols, operation,or maintenanceof this

unit,youcan seek helpfrom the experts. Choosefromthe optionsbelow:

1. Visitmtdproducts.com. Click onthe CustomerService menuoption.

2. Phone a CustomerSupport Representativeat 1.800.800.7310. Spanishspeakingagentsare available.

3. Theengine manufacturer isresponsiblefor all engine-related issueswith regards to performance,power-rating,specifica-

tions,warrantyand service. Pleaserefer tothe engine manufacturer'sOwner's/Operator'sManual, packedseparatelywith

your unit,for more information.

Safety Labels Found On Your

Chipper Shredder

TO AVOID SERIOUS iNJURY:

° Do not operate on uneven ground where unit is

unstable. Do not operate on pavement, gravel or

other hard surfaces since objects can ricochet

and cause injury.

• To avoid a fire hazard, keep leaves, grass, and other

combustible materials away from hot engine and

muffler,

° Keep children and others away from area of

operation.

° Wear approved safety glasses, gloves and ear

protection.

TO AVOID SERIOUS iNJURY:

• Read the owner's manual(s) before starting and

using unit.

• Keep all shields and guards in place and securely

attached.

• Keep hands, feet, face, clothing and long hair out of

Shredder Hopper, Chipper Chute and Discharge

Chute while the engine is running. Rotating cutting

blades inside these openings will cause serious

personal injury if contacted. Material being

_rocessed

may bounce back from inlet openings or be thrown

from the discharge chute. Long hair or loose clothing

may be pulled sucked into the inlet openings.

• Do not place branches over 1/2 inch diameter into

the large Shredder Hopper. Branches over 1/2 inch in

diameter should be placed in the Small Chipper

Chute.

• If the chipped shredder jams or becomes clogged,

immediately shut off the engine and wait for all

moving parts to come to a complete stop before

clearing.

• Do not install remove, adjust, or service the

discharge screen or any other part while the engine

is running. Blade contact can occur.

Labels

WARNING

DO NOTremove safety

(or any) labels from

chipper shredder for

any reason.

WARNING

Thissymbolpoints

out importantsafety

instructionswhich,if

notfollowed,could

endangerthe personal

i safetyand/or property

I ofyourselfand others.

Readandfollowall

instructionsinthis

manualbeforeat-

temptingto operate

i this machine.Failure

I to complywith these

instructionsmay result

i inpersonalinjury.When

youseethis symbol.

i HEED ITS WARNING!

i Your Responsibility

Restrictthe use

ofthis powermachine

to personswho read.

i understand

andfollow thewarnings

and instructions

i inthis manual

and onthe machine.

WARNING: EngineExhaust,some of its constituents,andcertain vehiclecompo-

nentscontain or emit chemicals knownto Stateof Californiato cause cancerand

birth defectsor other reproductiveharm.

DANGER: Thismachinewas builtto beoperatedaccordingto the rulesfor safe operation inthis

manual.As with anytypeof powerequipment,carelessnessor erroronthe part ofthe operatorcan

result inseriousinjury.This machine iscapableof amputatinghands andfeet andthrowing objects.

Failureto observethe followingsafety instructionscould resultinserious injuryordeath.

Training

1. Read,understand,andfollowall instructionsonthe ma- 1.

chineandin the manual(s)beforeattemptingtoassemble

andoperate.Keepthismanualinasafe placeforfuture

andregularreferenceandfor orderingreplacementparts.

2. Befamiliarwithallcontrolsandtheirproperoperation. 2.

Knowhowtostopthe machineanddisengagethem

quickly.

3. Neverallowchildrenunder16yearsoldto operatethis

machine.Children16yearsoldandovershouldreadand 3.

understandthe operationinstructionsandsafetyrulesin

thismanualandshouldbetrainedand supervisedbya

parent.

4. Neverallowadultstooperatethismachinewithoutproper

instruction. 4.

5. Keepbystanders,helpers,pets,and childrenat least

75feetfromthe machinewhile it isin operation.Stop

machineif anyoneentersthe area.

6. Neverrunan engineindoorsor inapoorlyventilatedarea. 5.

Engineexhaustcontainscarbonmonoxide,anodorless

anddeadlygas. 6.

7. Do notputhandsandfeet nearrotatingpartsorin the

feedingchambersanddischargeopening.Contactwith

the rotatingimpellercanamputatefingers,hands,and

feet.

8. Neverattemptto unclogeitherthefeedintakeor

dischargeopening,removeor emptybag,or inspectand

repairthe machinewhilethe engineis running.Shutthe

engineoff andwait untilallmovingpartshavecometo a

completestop.Disconnectthesparkplugwireandground

it againsttheengine.

Preparation

Thoroughlyinspectthe areawheretheequipmentisto

beused.Removeall rocks,bottles,cans,or otherforeign

objectswhichcouldbe pickedupor thrownandcause

personalinjuryor damageto the machine.

Alwayswearsafetyglassesor safetygogglesduringopera-

tionor whileperforminganadjustmentor repair,to protect

eyes.Thrownobjectswhichricochetcancauseserious

injurytothe eyes.

Wearsturdy,rough-soledworkshoesand close-fitting

slacksandshirts. Loosefittingclothesor jewelrycan be

caughtin movableparts.Neveroperatethis machine

in barefeetor sandals.Wearleatherworkgloveswhen

feedingmaterialinthechipperchute.

Beforestarting,checkallboltsand screwsfor propertight-

nessto besurethe machineisin safeworkingcondition.

Also,visuallyinspectmachineforanydamageatfrequent

intervals.

Maintainorreplacesafetyandinstructionslabels,as

necessary.

Toavoidpersonalinjuryor propertydamageuseextreme

careinhandlinggasoline.Gasolineisextremelyflammable

andthe vaporsareexplosive.Seriouspersonalinjurycan

occurwhengasolineis spilledonyourselforyourclothes

whichcanignite.Washyourskinand changeclothes

immediately.

a. Useonlyanapprovedgasolinecontainer.

b. Extinguishallcigarettes,cigars,pipes,andother

sourcesofignition.

c. Neverfuel machineindoors.

d. Neverremovegascap oradd fuelwhilethe engineis hot

or running.

e. Allowengineto coolat leasttwo minutesbeforerefuel-

ing.

f. Neveroverfillfueltank. Filltankto nomorethan1/2

inchbelowbottomoffiller neckto providespacefor fuel

expansion.

g. Replacegasolinecap andtightensecurely.

h. If gasolineis spilled,wipeitoff theengineand equip-

ment.Movemachinetoanotherarea.Wait5minutes

beforestartingtheengine.

i. Neverstorethe machineorfuel containerinsidewhere

there isan openflame,spark,or pilotlight(e.g.furnace,

waterheater,spaceheater,clothesdryer,etc.)

j. Toreduceafire hazard,keepmachinefreeofgrass,

leaves,or otherdebrisbuild-up.Cleanupoilor fuel

spillageandremoveanyfuel soakeddebris.

k. Allowmachinetocoolat least5 minutesbeforestoring.

Operation

1. Donot puthandsandfeet nearrotatingpartsorin the

feedingchambersanddischargeopening.Contactwith the

rotatingimpellercanamputatefingers,hands,andfeet.

2. Beforestartingthe machine,makesurethe chipperchute,

feedintake,and cuttingchamberareemptyandfreeofall

debris.

3. Thoroughlyinspectall materialto beshreddedandremove

any metal,rocks,bottles,cans,orotherforeignobjects

whichcouldcausepersonalinjuryor damagetothe

machine.

4. f it becomesnecessaryto pushmaterialthroughthe

shredderhopper,usea smalldiameterstick. Do notuse

yourhandsorfeet.

5. f the impellerstrikesaforeignobject or ifyourmachine

shouldstartmakinganunusualnoiseor vibration,

immediatelyshuttheengineoff.Allowthe impellertocome

to acompletestop.Disconnectthe sparkplugwire,ground

itagainstthe engineandperformthe followingsteps:

a. Inspectfordamage.

b. Repairorreplaceanydamagedparts.

c. Checkfor anyloosepartsandtightento assure

continuedsafeoperation.

6. Donotallow anaccumulationof processedmaterialtobuild

upinthe dischargearea.Thiscan preventproperdischarge

andresultin kickbackof materialthroughthefeedopening.

7. Donotattemptto shredorchipmateriallargerthan

specifiedonthe machineor inthis manual.Personalinjury

or machinedamagecouldresult.

8. Neverattemptto unclogeitherthe feedintakeordischarge

openingwhilethe engineisrunning.Shutthe engineoff,

wait untilall movingpartshavestopped,disconnectthe

sparkplugwireandgroundit againsttheenginebefore

clearingdebris.

9. Neveroperatewithouttheshredderhopper,chipperchute,

or chutedeflectorproperlyattachedto the machine.Never

emptyor changedischargebagwhiletheengineis running.

10.Keepall guards,deflectorsand safetydevicesin placeand

operatingproperly.

11.Keepyourface andbodybackandtotheside ofthe chipper

chutewhilefeedingmaterialintothe machineto avoid

accidentalkickbackinjuries.

12.Neveroperatethis machinewithoutgoodvisibilityor light.

13.Donotoperatethis machineon apaved,gravelor non-level

surface.

14.Donotoperatethis machinewhileunderthe influenceof

alcoholordrugs.

15.Mufflerandenginebecomehotandcan causeaburn.Do

nottouch.

16.Neverpickupor carrymachinewhilethe engineisrunning.

Maintenance & Storage

1. Nevertamperwithsafetydevices.Checktheirproper

operationregularly.

2. Checkboltsand screwsforpropertightnessatfrequent

intervalstokeepthe machineinsafeworkingcondition.

Also,visuallyinspectmachineforanydamageandrepair,if

needed.

3. Beforecleaning,repairing,or inspecting,stopthe engine

andmakecertainthe impellerandall movingpartshave

stopped.Disconnectthe sparkplugwireand groundit

againsttheengineto preventunintendedstarting.

4. Do notchangetheenginegovernorsettingsoroverspeed

theengine.Thegovernorcontrolsthemaximumsafe

operatingspeedoftheengine.

5. Maintainor replacesafetyandinstructionlabels,asneces-

sary.

6. Followthismanualforsafe loading,unloading,transporting,

andstorageofthis machine.

7. Neverstorethe machineorfuel containerinsidewhere

thereisan openflame,sparkor pilotlightsuchas a water

heater,furnace,clothesdryer,etc.

8. Alwaysreferto theoperator'smanualforproperinstructions

onoff-seasonstorage.

9. Ifthefueltank hasto bedrained,dothisoutdoors.

10.Observeproperdisposallawsandregulationsforgas,oil,

etc.toprotectthe environment.

Do not modify engine

Toavoidseriousinjuryordeath,donot modifyengineinany

way.Tamperingwiththegovernorsettingcan leadto arunaway

engineandcauseit tooperateatunsafespeeds.Nevertamper

withfactorysettingofenginegovernor.

Notice regarding Emissions

Engineswhicharecertifiedto complywithCaliforniaandfederal

EPAemissionregulationsfor SORE(SmallOff RoadEquipment)

arecertifiedtooperateonregularunleadedgasoline,and may

includethefollowingemissioncontrolsystems:EngineModifica-

tion(EM)andThreeWayCatalyst(TWO)ifso equipped.

Your Responsibility

Restrictthe useofthis powermachineto personswhoread,un-

derstandandfollowthe warningsand instructionsin this manual

andonthe machine.

Practices

WARNING

Thissymbol points

out importantsafety

instructions,which if

notfollowed,could

endangerthe personal

safety and/or property

of yourselfand others.

Readand followall

instructions inthis man-

ual beforeattemptingto

operatethis machine.

Failureto comply with

these instructionsmay

result inpersonalinjury.

Whenyou seethis

symbol.

HEED iT S WARNING!

Your Responsibility

Restrictthe use

of this powermachine

to personswho read.

understand

and followthe warnings

and instructions

in this manua

and onthe machine.

Shredder

IMPORTANT

This unitis shipped

without gasolineor

oil in the engine.Be

certainto service

enginewith gasoline

andoil as instructed

in the separateengine

manual beforeoperat-

ingyour machine.

NOTE: All references

in this manualto the

left or rightside of

thechipper shredder

isfrom the operating

i positiononly. Excep-

tions ifany willbe

specified.

NOTE:This Operators

i Manual coversa range

of productspecifica-

tions for various

models.Characteristics

and featuresdiscussed

and/or illustratedinthis

manualmay not be ap-

plicableto allmodels.

MTD LLCreservesthe

rightto change product

specifications,designs

and equipmentwithout

notice andwithout

=ncurringobligation.

Figure 3=1

IMPORTANT:Thisunitisshippedwithoutgasolineoroil

in theengine.Becertainto serviceenginewithgasoline

andoilas instructedintheseparateenginemanual

beforeoperatingyourmachine.

Loose Parts In Carton

a. HopperAssembly d. Bag

b. ChuteDeflector e.SafetyGlasses

c. ChipperChute f. EngineOil

Attaching The Hopper

Assembly

1. a. Removesixhexnutsandwashersfromtheweld

studsontheimpellerhousing.Donotremovethe

supportplate.SeeFigure3-1.

b. Placehopperassemblyintopositioninfrontof

impellerhousing,aligningholesinhopperassembly

collarwithweldstuds.

c. Slidehopperassemblyontoweldstudsandreplace

washersandhexnuts.Donottightencompletely.

2. a. Lift hopperassemblyupto impellerbracket

assembly.

b. Slidethereleaserodoutslightlyto hookthehopper

bracketontothe rod.SeeFigure3-2.

c. Tightenthe sixhexnutsthatsecurehopper

assemblyto impellerhousingandalsotightenthe

hexnutsthatsecurehopperbrackettohopper

assembly.

Figure 3-2

Figure 3-3

Attaching The Chute Deflector

3. a. Removethewingknobsfromeachsideofthelower

impellerhousing.

b. Removethehexlocknut,spacers,andhexboltfrom

thetopoftheimpellerhousing.SeeFigure3-3.

4. a. Alignthechutedeflectorinpositionon the

dischargeopeningand inserthexboltwithspacer

throughhingeon chutedeflector(spacersfit inside

of hinges).SeeFigure314.

b. Placesecondspaceroverhexboltinsideother

hingeandsecurewithhexlocknut.

c. Securebothsidesofchutedeflectorto impeller

housingusingwingknobspreviouslyremoved.

Attaching The Chipper Chute

(Model Series 460)

5. a. Removethethreecuppedwashersand hexnuts

fromweldstudsaroundtheopeningonthesideof

theimpellerhousing.SeeFigure3-5.

b. Removethehexbolts,flat washers,andlocknuts

fromthetwoholeson theupperendofthesupport

brace.

6. a. Alignthechipperchuteovertheweldstuds,sothe

slotinthebottomofthechuteisfacingdown.

b. Securechipperchutewiththethreecupped

washers(cuppedsideagainstthechipperchute)

and hexnutspreviouslyremoved.Donottighten

thenutsatthistime.SeeFigure316.

Figure 3-4

Fgure 3=5

/ /

..........1,/

Figure 3=6

Your Chipper

Sh redder

IMPORTANT

This unitis shipped

without gasolineor

oil in the engine. Be

certainto service

enginewith gasoline

and oil as instructed

in the separate engine

manual beforeoperat-

ingyour machine.

NOTE: All references

in this manualto the

leftor rightsideof

the chipper shredder

isfromthe operating

positiononly. Excep-

tions, if any,will be

specified.

NOTE: This Operators

Manual coversa range

of productspecifica-

tionsfor various

models.Characteristics

andfeaturesdiscussed

and/or illustratedinthis

manual may not be ap-

plicableto allmodels.

MTD LLC reservesthe

rightto change product

specifications,designs

and equipmentwithout

notice andwithout

_ncurringobligation.

Settingup

MPORTANT

This unitis shipped

without gasolineor

oil in the enginelae

certainto servce

enginewith gasoline

an_Joilas instructed

in the separateengine

manUaIbeforeope!at-

ingyour machine

NOTE: All references

in this manual tOthe

left or right side of

the chipper shredder

iSfromthe operating

positiononlylExcep;

tions,if any, wIibe

specified:

NOTE: This Operators

ManUalcoversa range

Of productspecifiCa:

tionsfor Various

mode!s:Characteristics

and featuresdiscussed

andior ilUstratedinthiS

manual may not be ap,

plicabletoali models!

MTD LLC reservesthe

right tochange product

specificationsidesigns

andequipment wthout

notice and without

incurringobligationl

Figure 3-7

// ///

7. Thechippershredderwasshippedwithoneendof

thesupportbracealreadysecuredtothelowerframe.

Loosenbutdo notremovetheboltssecuringthebrace

totheframe.See Figure3-7.

a. Aligntheholesinthechutewiththeholesinthetop

ofthebraceandattachbracetochipperchutewith

hardwarepreviouslyremoved.Tightensecurely.

b. Tightenthe boltssecuringthesupportbracetothe

frame.

c. Tightenthethreenutson theweldstudsholding

thechipperchuteto theimpellerhousing.

Attaching The Chipper Chute

(Model Series 450)

8. a. Removethethreecuppedwashersandhexnuts

fromweldstudsaroundtheopeningon thesideof

theimpellerhousing.SeeFigure3-8.

Figure 3=8

Figure 3=9

Figure 3=10

9. a. Alignthechipperchuteovertheweldstuds,sothe

slotinthebottomofthechuteisfacingdown.

b. Securechipperchutewiththethreecupped

washers(cuppedsideagainstthechipperchute)

and hexnutspreviouslyremoved.Tightenthenuts

atthis time.SeeFigure3-9.

Attaching The Bag

10.Toattachthebag:

a. Placetheopeningofthebagcompletelyoverthe

chutedeflector.

b. Pullon thedrawstringuntilthebagistightaround

chutedeflectoropening.

c. Clipdrawstringbackon itself,tightagainstchute

deflectorto secureintoposition.SeeFigure3-10.

Setting Up

YourChippe

Shredder

MPORTANT

This unitiSshipped

without gaso ineor

oilin the enginelBe

Certain to service

engine with gasoline

and Oilas instrUCted

theseparate engine

manualbefore operati

ingyour machine:

NOTE: All references

this manual tothe

left or rightside of

thechipper shredder

isfromthe operating

position only. Excepi

tions, if any.will be

specified:

NOTE: This OPerators

ManUal covers a range

of product specifiCa,

tions for Various

models: CharacteriStics

andfeaturesdiscussed

and/or iilustrated inthis

manual may notbe ap.

plicable to all models:

MTD LLC reservesthe

rightto Changeproduct

specifications; designs

and equipmentwithout

notice and w thout

incurr ng Obligationl

Know Your Chipper Shredder

Operating

WARNING

The operation of any

chipper shredder

can resuffin foreign

objects being thrown

intothe eyes, which

candamageyour

eyesseverely. Always

wear the safety

glassesprovided

with this unit or eye

shields before chip-

i pingor shredding

and while performing

any adjustments or

repairs.

Use extreme care

when handling

i gasoline.Gasoline is

i extremely flammable

and the vapors are

explosive. Never fuel

i the machine indoors

or while the engine

is hot or running.

i Extinguish cigarettes,

cigars, pipesand

other sources of

ignition.

HopperAssembly-

ReleaseRod

Chipper

*Model464Shownwith0 TowBar

1-If Equipped

Figure 4=1

Nowthatyouhavesetupyourchippershredderfor

operation,getaquaintedwithits controlsandfeatures.

Thesearedescribedbelowandillustratedonthis page.

Thisknowledgewillallowyoutouseyournewequip-

mentto itsfullestpotential.

Chipper Chute

Allowstwigsandsmallbranchesup to3"(2"for Model

Series450)indiametertobefedintothe impellerfor

chipping.SeeFigure4-1.

Hopper Assembly

Allowleavesandsmallbranchesupto 1/2diameter

tobefedintotheimpellerforchippingandshredding.

Materialcanbe rakedintohopperassemblybylowering

thehopperassembly.SeeFigure4-1.

Gas and Oil Fill-Up

1. Checkoillevelandaddoil if necessary.Followengine

manualforthis.SeeEngineManualforlocationofthe

oilfill.

2. Servicetheenginewithgasolineasinstructedinthe

enginemanual. SeeEngineManualforlocationof

gasfill.

WARNING:Useextremecarewhenhan-

dling gasoline.Gasolineisextremely

flammableand the vapors areexplosive.

NeverfueJthe machine indoorsor while

the engine ishot or running. Extinguish

cigarettes, cigars, pipesand other

sources of ignition.

Release Rod

Thereleaserodislocatedon theimpellerbracket

assemblyandit isusedto releaseor lockthehopper

whenraisingor lowering.See Figure4-1.

Tow Bar (if Equipped)

Usethetow bartotowthechippershredderbehinda

tractortoajobsite.See Figure4-1.

NOTE:Ifyourunitisnotequippedwitha towbar,you

maycontactCustomerSupportasinstructedon page2

forinformationregardingpriceandavailability.

WARNING:Theoperation of any

chippershredder canresultinforeign

objects being thrown intothe eyes,

which candamageyour eyesse-

verely.Always wearthe safety glasses

providedwith this unit or eyeshields

before chippingor shredding andwhile

performingany adjustments or repairs.

ThisOperatorsManualcoversa rangeof product /" _

specificationsforvariousmodels.Characteristicsandfea- _ //1

turesdiscussedand/orillustratedinthismanualmaynot _,,= _ //[

be applicabletoallmodels.MTDLLCreservestheright ._ _IiI_

tochangeproductspecifications,designsandequipment _

withoutnoticeandwithoutincurringobligation.

Starting Engine (

flARNING: Neverrun the engine

indoorsor in a poorlyventilatedarea.

Engine exhaustcontainscarbonmonox-

ide,an odorless and deadly gas.

IMPORTANT:Becausethismanualcoversseveral

differentmodelunits,differentstartinginstructionsmay

applytoyourparticularengine.Someenginesmayhave

a fuelpetcock,somemaynot.Someenginesmayhave

On/Offswitches,othermaynot.Someunitswillutilizea

chokesystem,whileotherswill requirepriming. These

factorsdependon whatmakeandmodelenginecomes

withyourparticularunit.Forthesereasons,pleaserefer

totheengineoperator'smanualforthecorrectstarting

procedure.

1. Attachsparkplugwiretosparkplug.Makecertain

themetalcapon theend ofthesparkplugisfastened

securelyoverthemetaltiponthesparkplug.

2. Engineswith choke lever:

Movechokeleveronengineto CHOKEposition.(A

warmenginemaynotrequirechoking).

Engineswith primer:

Primeengineasinstructedinseparateenginemanual.

3. Thethrottlecontrolleverislocatedontheengine.

MoveenginethrottlecontrollevertoFASTor START

position.SeeFigure4-2.

4. Graspstarterhandleand pullropeoutslowlyuntil

enginereachesstartofcompressioncycle(ropewill

pull slightlyharderatthis point).

NOTE:A noisewillbeheardwhenfindingthestartof

thecompressioncycle.Thisnoiseiscausedbytheflails

andfingers,whichare partoftheshreddingmechanism,

and itshouldbeexpecteduntiltheimpellerreachesfull

speed.

5. Pullropewitha rapid,continuous,fullarmstroke.

Keepa firmgriponstarterhandle.Letroperewind

slowly.

6. Repeatthepreviousstepsuntilenginefires.When

enginestarts,movechokecontrol(ifequipped)

graduallyto RUNposition.

Figure 4=2

Stopping Engine

1. MovethrottlecontrollevertoSTOPor OFFposition.

2. Disconnectsparkplugwirefromsparkplugand

groundagainsttheengine.

NOTE:Seeyourenginemanualpackedwithyourunit

formoredetailedinstructions.

Using The Chipper Shredder

Yardwastesuchasleavesandpineneedlescanbe

rakedupthroughthehopperassemblyforshredding.

Aftermaterialhasbeenshreddedbytheflailblades

ontheimpellerassembly,itwillbedischargedoutof

openingor intocatcherbag.Donotattempttoshred

orchipanymaterialotherthanvegetationfoundina

normalyard(i.e.branches,leaves,twigs,etc.)Avoid

fibrousplantssuchastomatovinesuntiltheyare

thoroughlydriedout. Twigsandsmallbranchesupto3"

(2"forModelSeries450)indiameter canbefedinto

thechipperchute.

Lowering The Hopper Assembly

1. Withonehandgraspthehandleatthetopofthe

hopperassemblyandlift slightly.

2. Withtheotherhandpulloutonthe releaserod

andlowerthehopperassemblytotheground.See

Figure4-1.

To Empty Bag

1. Un-clipdrawstringand loosenbagfromchute

deflectoropening.

2. Emptybagandreattachtothedischargechute

opening.Pullonthedrawstringuntilthebagistight

aroundthechuteopeningandclipthedrawstring

tightagainstthechutedeflector.

IMPORTANT:Theflailscreenislocatedinsidethe

housingin thedischargearea.iftheflail screen

becomesclogged,removeandcleanasinstructedin

SECTION5: MAINTAININGYOURCHIPPERSHRED-

DER.Forbestperformance,itisalsoimportantto keep

thechipperbladesharp.

Operat.ing

¥o

WARNING

. vorr.°t,oe°g oo

indoorsor in a poorly

Ventilated area: Engine

exhaust contains

carbon monoxide, an

odorless and deadly

NOTE:A noisewillbe

heardwhenfindingthestart

ofthe compressioncycle.

Thisnoiseiscausedby

theflailsandfingers,which

arepartoftheshredding

mechanism,anditshould

L_eexpecteduntilthe impel-

er reachesfullspeed.

Lubrication

WARNING

Alwaysstopengine,

disconnectspark

plug,andground

againstengine

beforecleaning,

lubricatingor

doinganykindof

maintenanceonyour

machine.

points before

reassembly.

*Model464Shown

Figure 5-1

/*Model464 Shown

Figure 5-2

General Recommendations

1. Alwaysobservesafetyruleswhenperforming

anymaintenance.

2. Thewarrantyon thischippershredderdoesnot

coveritemsthathavebeensubjectedtooperator

abuseornegligence.Toreceivefullvaluefromwar-

ranty,operatormustmaintainthechippershredder

asinstructedhere.

3. Changingofengine-governedspeedwillvoid

enginewarranty.

4. Alladjustmentsshouldbecheckedat leastonce

eachseason.

Periodicallycheckallfastenersand makesurethese

aretight.

_ WARNING:Alwaysstopengine,

disconnect sparkplug, and ground

against enginebeforecleaning,

lubricating or doingany kind of

maintenanceon yourmachine.

1. Lubricatethereleaserodand springwithlightoil once

a season.SeeFigure5-1.

2. Lubricatethepivotpointsonthehopperassemblywith

lightoil oncea season.SeeFigure5-1.

3. Lubricatethepivotpointsonthedischargechutewith

lightoil oncea season.SeeFigure5-1.

4. Followtheaccompanyingenginemanualforlubrica-

tionscheduleandinstructionforenginelubrication.

Engine Care

1. Maintainoil levelasinstructedin enginemanual.

2. Serviceaircleanerevery25 hoursundernormal

conditions.Cleaneveryfewhoursunderextremely

dustyconditions.Refertoenginemanual.

3. Cleansparkplugand resetthegaponcea season.

Checkenginemanualforcorrectplugtype andgap

specifications.

4. Cleanengineregularlywitha clothorbrush.Keepthe

coolingsystem(blowerhousingarea)cleantopermit

properaircirculation.Removeall grass,dirtand

combustibledebrisfrommufflerarea.

Removing The Flail Screen

If thedischargeareabecomesclogged,removetheflail

screenandcleanareaasfollows:

1. Stoptheengineandmakecertainthechippershred-

derhascometoa completestop.

2. Disconnectsparkplugwirefromsparkplugand

groundagainsttheengine.

3. a. Removethebagandtwo wingknobson eachside

ofthechutedeflector.See Figure5-2.

b. Liftthechutedeflectorupto keepitoutof theway.

c. Removethetwohairpinclipsfromeachclevispin

whichextendthroughthehousingandremovepins.

d. Removetheflailscreenfrominsidethehousing

andcleanthescreenbyscrapingor washingwith

water.SeeFigure5-2.

4. Reinstallthescreen,makingcertainto reassemblethe

flailscreenwiththecurvesidedown.

5. Reattachthechutedeflectorwiththehardware

previouslyremovedandconnectthebagtounit.

Sharpening Or Replacing Chipper

Blades

1. Disconnectthesparkplugwireandgroundagainstthe

engine.

2. Removetheflailscreenasinstructedintheprevious

section.

3. Removethechipperchutebyremovingthreehexnuts

andwashers.

4. Removethechipperchutesupportbrace(Model

Series460)fromtheframebyremovingthehexbolts.

5. Rotateimpellerassemblybyhanduntilyoulocateone

oftwochipperbladesinthechipperchuteopening.

6. Removethebladebyremovingtheinternalhex

screws,lockwashers,andhexnutswhichsecureitto

theimpeller.Retainthehardware.SeeFigure5-3.

NOTE:Usea 3/16"hexkey(Allen)wrenchontheoutside

ofthebladeanda 1/2"box(or socket)wrenchonthe

insideoftheimpeller.HoldtheAllenwrenchstationary

and rotatethebox(or socket)wrenchto loosenthenut.

7. Installa replacementblade(PartNo.781-0490)with

thehardwareremovedearlieror sharpen.

IMPORTANT:Whensharpeningtheblade,protecthands

byusinggloves.Followtheoriginalangleofgrindand

makesuretoremovean equalamountfromeachblade.

Figure 5-3

8. Toreplacetheotherblade,rotatetheimpellerto

exposethesecondbladeandrepeatthestepsabove.

NOTE: Makecertainbladesarereassembledwiththe

sharpedgefacingupward.Torquehardwareto250- 300

in.Ibs.

,_ WARNING:Theimpeller's chipper

blades and shredderbladeare sharp.

Wearleatherwork gloves to protect your

hands.

Sharpening Or Replacing The Shred-

der Blade

1. Stoptheengineand makecertainthatall moving

partshavecometoacompletestop.

2. Disconnectthesparkplugwireandgroundagainstthe

engine.

3. Lowerthehopperassemblyandblockupthehousing.

4. Removethesixhexlocknutsandflatwashers

fromtheweldstudson theflailhousing.Retainthe

hardware.

5. Carefullyseparatethehopperassemblyfromthe

impellerassemblyandremovethesupportplate.

NOTE:Whenreassemblingthe supportplate,make

certaintheembossedtabfacesinwardtowardsthe

impeller.

6. Removethetwowingknobsandcuppedwashersthat

securethechutedeflectorandraisethechute.

7. Inserta 1/2"or3/4"diameterpipethroughtheflail

screenintotheimpellertokeepit fromturningor

removetheflailscreenand inserta pieceofwoodinto

thechuteopening.

8. a. Removethetwointernalhexscrews,lockwashers,

and hexlocknutswhichsecuretheshredderblade

totheimpeller.

b. Removethehexbolt,lockwasher,andflatwasher

tocompletelyfreeshredderblade.See Figure5-4.

Figure 5-4

NOTE:Usea3/16"hexkey(Allen)wrenchon the

outsideoftheshredderbladeanda 1/2"box(orsocket)

wrenchontheinsideoftheshredderblade.Holdthe

Allenwrenchstationaryandrotatethebox(orsocket)

wrenchtoloosenthenut. Usecautionwhenremoving

thebladetoavoidcontactingtheweldstudson housing.

IMPORTANT:Whensharpeningtheblade,follow

theoriginalangleofgrindasa guide.It isextremely

importantthateachcuttingedgereceivesanequal

amountofgrindingtopreventan unbalancedblade.

Anunbalancedbladewillcauseexcessivevibration

whenrotatingathighspeedsandmaycausedamage

totheunit.Thebladecanbetestedbybalancingiton a

screwdriveror nail.Removemetalfromtheheavyside

untilitisbalancedevenly.

Storing Your Chipper Shredder

Thefollowingstepsshouldbetakento prepareyour

chippershredderforstorage.

1. Cleantheequipmentthoroughly.

2. Wipeequipmentwithanoiled ragto preventrust.

3. Refertoenginemanualforcorrectenginestorage

instructions.

4. Storeunitin a clean,dryarea.Donotstorenextto

corrosivematerialssuchasfertilizer.

Maintaining

Your Chipper

Shredder

WARNING

The impelleCs

chipper blades and

shredder blade are

sharp: Wear leather

work gloves to

IMPORTANT

Makecertainchipper

blades are reassem:

bledwith the sharp

edgefacing upwar&

Torquehardwareto

250,300 in.Ibs.

iMPORTANT

When reasSemblingthe

shredderblade,tighten

center bolt tObetween

550 and 700ini,lb&

andthe twoOutboltsto

between 250 and350

in.4b&

Forrepairs beyond

the minor adjustments

listed here, contact

an authorized service

Problem Cause Remedy

Enainef., ailsto Start I Throttle levernotin correctStarting i Movethrott, e everto FASTor

post on (f equpped) STARTpost on

2, Sparkp!ugwiredisconnected, 2, Connectwiretosparkp!ug,

chokenotincHoKEposition(if cHOKE

equipped): poSiti0nl

FueltankemptyorSta!efuel. tankwithclean,freShgasolinel

&Engine not pdmed(ifequipped)Prime engineas.instructedin

6 Faut ark _ 6 ceanadjuStgap 0rrepace

ysp P g: !

Blockedfuel CleanfueI

81Engine flooded, &Wait afew minutestoFestart,but

do notprme:

Engineruns erratic

Sparkplugwireloose.

UnitrunningonCHOKE(ifequipped).

Blockedfuellineor stalefuel.

Ventingascapplugged.

Waterordirt infuelsystem.

6. Dirtyaircleaner.

7. Carburetoroutofadjustment.

1. Connectandtightenspark

plugwire.

2. MovechokelevertoOFFposition.

3. Cleanfuelline;filltankwithclean,

freshgasoline.

4. Clearvent.

5. Drainfueltank.Refillwith

freshfuel.

6. Refertoenginemanual.

7. Seeauthorizedservicedealer.

Engineoverheats 1. Engineoil levellow. _ 1. Fillcrankcasewithproperoil.

2. Dirtyaircleaner. I 2. Refertoenginemanual,

• 3. Carburetornotadjustedproperly.

Occasionalskips

(hesitates)at

highspeed

Unit does not

discharge

1. Sparkpluggaptooclose.

2. Carburetoridlemixtureadjustment

improperlyset.

1. Chutedeflectorclogged.

2. Foreignobjectlodgedin impeller.

3. LowengineRPM.

3. Seeauthorizedservicedealer.

1. Adjustgap to.030".

2. Seeauthorizedservicedealer.

1. Stopengineimmediatelyand

disconnectsparkplugwire.Clean

flailscreenandinsideofdischarge

opening.

2. Stopengineanddisconnectspark

plugwire.Removelodgedobject.

3. Alwaysrunengineatfullthrottle.

Rateof discharge 1 LowengineRPM. 1. Alwaysrunengineatfullthrottle.

slowsconsiderably I 2. Chipperbladedul. I 2. Replacechipperbladeor seeyour

or composition of authorzedservcedeaer.

dischargedmaterial I I

changes ,

NOTES

Use this page to make notes and write down important information.

Model Series 450 and 460

i •¢/i

Ref. PartNo. Description

No,

1. 736-0217 LockWasher,3/8

2. 714-0149B CotterPin

3. 681-0048 WingKnob5/16-18

4. 681-0094 ChuteDeflectorAssembly

5. 711-0835 ClevisPin

6. 781-0457 ShredderScreen

7. 726-0211 U-Nut5/16-18

8. 750-0793 Spacer

9. 712-3027 HexLockNut,1/4-20

10. 712-3004A HexLockNut5/16-18

11. 736-0119 LockWasher5/16

12. 681-0117 InnerImpellerHousingAssembly

13. 710-3025 HexCapScrew5/16-18x.625

14. 710-0157 HexCapScrew5/16-24x.75

15. 781-0490 ChipperBlade

16. 710-1054 HexCapScrew5/16-24x 1.0

17. 681-0030 impellerAssembly

18. 712-0411 HexLockNut5/16-24

19. 781-0735 RetainerPinClip

20. 719-0329 FlailBlade

21. 711-0833B ClevisPin

22. 715-0166 Pin

23. 736-0247 FlatWasher3/8x 1.25

24. 742-0571 ShredderBlade

25. 710-1254 HexCapScrew3/8-24x2.25

26. 681-0004A OuterlmpellerHousingAssembly

27. 710-0825 HexCapScrew1/4-20x3.75

28. 781-0515 FrontSupportBracket

29. 781-0574 ShredderPlate

30. 681-0104 RearHopperBracketAssembly

31. 732-0306 CompressionSpring1.75

32. 736-0117 FlatWasher

33. 714-0104 CotterPin

34. 736-0264 FlatWasher.330IDx.630OD

35. 710-0376 HexCapScrew5/16-18x 1.0

36. 748-0453 Spacer,.375IDx2.50 LG

37. 736-0362 FlatWasher.320IDx 1.25OD

38. 712-0429 HexLockNut5/16-18

39. 731-1710A HopperCollar

40. 681-0123 FrontHopperBracketAssembly

41. 711-1128 LockRod

42. 731-1707 HopperAssembly

43. 710-3008 HexCapScrew5/16-18x.75

££NUIN£

_FACTORY PARTS

TOorder replacement

parts, contact

1.8oo:8oo.7aloor

www:mtaprOaucts;oom

NOTE: This Operators

ManUalcoversa range

of productspecifiCa;

tionsfor Various

models:CharaCteristics

and featuresdiscussed

and/or illustrated inthis

manual may not be ap*

plicable to all model&

MTD LLC reservesthe

right to change product

specifications;designs

and equipmentwithout

noticeand without

incurring obligation

i__ _ii_: !_iiiiiiiii_!__ii _iii___i_i

i_ _ii_ _ii_ i _ i

i i i i i i i i i i i i ii

Model Series 450 and 460

,_20)

Ref. PartNo. Description

No,

1. 728-0175tt PopRivet

2. 681-0095t ChipperShredderChute

731-1899tt ChipperShredderChute

3. 735-0249tt ChuteFlap

4. 781-0633tt ChuteFlapStrip

5. 681-O068Att ChipperChuteAssembly

6. 710-0751tt HexCapScrew1/4-20x.620

7. 712-3027tt HexLockNut1/4-20

8. 710-0106tt HexCapScrew1/4-20x 1.25

9. 736-0173tt FlatWasher.28IDx.74OD

10. 736-0242 BellWasher.340ID x.872OD

11. 712-3010 HexNut5/16-18

12. 749-1004tt SupportBrace

13. 712-3004A HexLockNut5/16-18

14. 710-0805t HexCapScrew5/16-18x 1.50

710-3180tt HexCapScrew5/16-18x 1.75

15. 736-0170 BellWasher5/16x 1.0

16. 736-0366tt FlatWasher

17. 738-0814t AxleAssembly

738-0813tt AxleAssembly

18. 750-0786t Spacer

19. 734-1600t WheelComp.,10.0x2.5Plastic

734-1845tt WheelComplete,10.0x4.0Gray

20. 726-0214 PushCap

21. 681-0184At Frame

681-0183Aft Frame

22. 736-0451tt Washer,.3201Dx.93OD

23. 710-0502A Screw,3/8-16x 1.250

24. 737-0195t ElbowFitting

25. 737-0298tt Oil DrainPipe

26. 737-0132tt Oil DrainEndCap

27. 681-0133" TongueHitchMount

28. 681-0134A* BaseHitchMount

29. 710-3001" HexCapScrew,3/8-16x.88

30. 711-0299" ClevisPin,.625x2.4

31. 711-0835" ClevisPin,.50x4.62

32. 712-04065" FlangeLockNut,3/8-16

33. 732-0194" SpringPin

34. 736-0133" FlatWasher,.411x 1.25x 1.0

35. 736-0169" LockWasher,3/8

-- 723-0400 SafetyGlasses(NotShown)

-- 664-04022t ChipperBagAss'y(Not Shown)

-- 664-04023tt ChipperBagAss'y(NotShown)

t ModelSeries450

tt ModelSeries460

*if Equipped

££NUIN£

_FACTORY PARTS

TOorder replacement

parts, contact

1.8oo:aoo.Taloor

www:mtaprOaucts;oom

NOTE: This Operators

ManUalcovema range

of productspecifiCa;

tionsfor Various

models:CharaCteristics

and featuresdiscussed

and/or illustrated inthis

manual may not be ap*

plicable to all model&

MTD LLC reservesthe

right to change product

specifications;designs

and equipmentwithout

noticeand without

incurring obligation

i__ _iI_L!_iiiiiiiii_!__ii _iii___i_i

i i i i i i i i i i i i ii

MANUFACTURER'S LiMiTED WARRANTY FOR

The limited warranty set forth below isgiven byMTD LLCwith

respect to new merchandise purchased and used inthe United States

and/or its territories and possessions, and by MTD Products Limited

with respect to new merchandise purchased and used in Canadaand/

or its territories and possessions (either entity respectively, "MTD").

"MTD" warrants this product (excluding its Normal WearPartsand

Attachments as described below) against defects in material and

workmanship for a period of two (2) years commencing on the date

of original purchase and will, at its option, repair or replace,free of

charge, any part found to be defective in materials or workmanship.

This limited warranty shall only apply if this product has been

operated and maintained in accordance with the Operator's Manual

furnished with the product, and has not beensubject to misuse,

abuse, commercial use, neglect, accident, improper maintenance,

alteration, vandalism, theft, fire, water, or damage becauseof other

peril or natural disaster. Damage resulting from the installation or use

of any part, accessory or attachment not approved byMTD for use

with the product(s) covered bythis manual will void your warranty as

to any resulting damage.

Normal WearPartsare warranted to befree from defects in material

andworkmanship for a period of thirty (30) days from the date of

purchase. Normal wear parts include, but are not limited to items

such as: batteries, belts, blades, bladeadapters, tines, grass bags,

wheels, rider deck wheels, seats, snow thrower skid shoes, friction

wheels, shaveplates, auger spiral rubber and tires.

Attachments-- MTD warrants attachments for this product against

defects in material and workmanship for aperiod of one (1) year,

commencing on the date of the attachment's original purchase or

lease.Attachments include, but are not limited to items such as:

grass collectors and mulch kits.

HOWTO OBTAINSERVICE:Warranty service is available, WITH

PROOFOFPURCHASE,through your local authorized service dealer.

Tolocate the dealer in your area:

In the U.S.A.

Checkyour Yellow Pages,or contact MTD LLC at RO. Box 361131,

Cleveland, Ohio 44136-0019, or call 1-800-800-7310, 1-330-220-

4683 or log on to our Web site at www.mtdproducts.com.

In Canada

Contact MTDProducts Limited, Kitchener, ON N2G4J1, or call 1-800-

668-1238 or log onto our Web site at www.mtdcanada.com.

This limited warranty does not provide coverage inthe following

cases:

a. Theengine or component parts thereof. These items may carry a

separate manufacturer's warranty. Referto applicable manufactur-

er's warranty for terms andconditions.

b. Log splitter pumps, valves, and cylinders havea separate one-

yearwarranty.

c. Routine maintenance items such as lubricants, filters, blade

sharpening, tune-ups, brake adjustments, clutch adjustments,

deck adjustments, and normal deterioration of the exterior finish

dueto use or exposure.

d. Service completed by someone other than an authorized service

dealer.

e. MTD does not extend any warranty for products sold or exported

outside of the United States and/or Canada,and their respective

possessions and territories, exceptthose sold through MTD's

authorized channels of export distribution.

f. Replacement parts that are not genuine MTD parts.

g. Transportation charges and service calls.

h. MTD does not warrant this product for commercial use.

No implied warranty, includingany implied warranty of

merchantability of fitness for a particular purpose, applies after

the applicable periodof 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 personor entity,

includinga dealer or retailer, with respect to any product, shall

bind MTD. Duringthe period of the warranty, the exclusiveremedy

is repair or replacement of the productasset forth above.

The provisionsasset forth in this warranty providethe sole and

exclusive remedy arising from the sale. MTD shall not be liable

for incidental orconsequential 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.

Some states do not allow the exclusion or limitation of incidental

or consequential damages, or limitations on how long an implied

warranty lasts, sothe above exclusions or limitations may not apply

to you.

In no eventshaft recovery of any kind be greaterthan the amount of

the purchase price ofthe product sold. Alteration of safetyfeatures of

the product shall void this warranty. You assume the risk and liability

for loss, damage, or injuryto you and your property and/or to others

andtheir property arising out of the misuse or inability to use the

product.

This limited warranty shall not extend to anyone other than the

original purchaser or to the person for whom it was purchased as a

gift.

HOWSTATELAW RELATESTOTHIS WARRANTY: This limited

warranty givesyou specific legal rights, and you may also have other

rights which vary from state to state.

IMPORTANT:Owner must present Original Proof of Purchase to

obtain warranty coverage.

MTD LLC, P.O. BOX 361131 CLEVELAND, OHiO 44136=0019; Phone: 1=800=800=7310, 1=330=220=4683

MTD Canada Limited =KITCHENER, ON N2G 4J1; Phone 1=800=668=1238

GDOC-lO0015 REV.B

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MTD 450 SERIES Owner's manual

Brand: MTD

Model: 450 SERIES

Category: Mini tillers

Type: Owner's manual

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