MTD 24A-464G729 User manual

Safety • Assembly • Operation • Tips &Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
OF AOAL
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*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 belowthe engine. This
informationwill benecessary to usethe manufacturer'sweb
site and/or obtainassistancefrom the CustomerSupport
Departmentoran authorizedservice dealer.
r
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 questionsregardingthe controls, operation,or maintenanceof this
unit,youcan seek helpfrom the experts. Choosefromthe optionsbelow:
1. Visitmtdproducts.com. Click onthe CustomerService menuoption.
2. Phonea 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 enginemanufacturer'sOwner's/Operator'sManual, packedseparatelywith
your unit,for more information.
2

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.
3

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 in personalinjury.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: This machinewas builtto be operatedaccordingto the rulesfor safe operation in this
manual.As with anytypeof powerequipment,carelessnessor erroronthe part ofthe operatorcan
result in seriousinjury.This machine iscapable of amputatinghands andfeet andthrowing objects.
Failureto observethe followingsafety instructionscould resultinserious injuryordeath.
Training
1. Read,understand,andfollowall instructionsonthe ma- 1.
chineandin the manual(s)beforeattemptingtoassemble
andoperate.Keepthis manualinasafe placeforfuture
andregularreferenceandfor orderingreplacementparts.
2. Befamiliarwith allcontrolsandtheirproperoperation. 2.
Knowhowtostopthe machineanddisengagethem
quickly.
3. Neverallow childrenunder 16yearsoldto operatethis
machine.Children16yearsoldandovershouldreadand 3.
understandthe operationinstructionsandsafetyrulesin
thismanualandshouldbetrainedand supervisedbya
parent.
4. Neverallow adultstooperatethis machinewithoutproper
instruction. 4.
5. Keepbystanders,helpers,pets,andchildrenat least
75feetfromthe machinewhile it isin operation.Stop
machineif anyoneentersthe area.
6. Neverrunan engineindoorsor in a poorlyventilatedarea. 5.
Engineexhaustcontainscarbonmonoxide,anodorless
anddeadlygas. 6.
7. Do notputhandsandfeetnearrotatingpartsorin 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 areawherethe equipmentisto
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 barefeet or sandals.Wearleatherworkgloveswhen
feedingmaterialin thechipperchute.
Beforestarting,checkallboltsand screwsfor propertight-
nessto besurethe machineisin safeworkingcondition.
Also,visuallyinspectmachineforanydamageatfrequent
intervals.
Maintainor replacesafetyandinstructionslabels,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,wipe itoff theengineand equip-
ment.Movemachinetoanotherarea.Wait5 minutes
beforestartingtheengine.
i. Neverstorethe machineorfuel containerinsidewhere
there isan openflame,spark,or pilotlight(e.g.furnace,
waterheater,spaceheater,clothesdryer,etc.)
j. Toreducea fire hazard,keepmachinefreeofgrass,
leaves,or otherdebrisbuild-up.Cleanupoilor fuel
spillageandremoveanyfuel soakeddebris.
k. Allowmachinetocoolat least5 minutesbeforestoring.
4

Operation
1. Donot puthandsandfeet nearrotatingpartsor in the
feedingchambersand dischargeopening.Contactwith the
rotatingimpellercanamputatefingers, hands,andfeet.
2. Beforestartingthe machine,makesurethe chipperchute,
feedintake,and cuttingchamberareemptyandfreeofall
debris.
3. Thoroughlyinspectall materialto beshreddedand remove
any metal,rocks,bottles,cans,orotherforeignobjects
whichcouldcausepersonalinjuryor damagetothe
machine.
4. f it becomesnecessaryto pushmaterialthroughthe
shredderhopper,usea smalldiameterstick. Do notuse
yourhandsorfeet.
5. f the impellerstrikesa foreignobject or ifyour machine
shouldstartmakinganunusualnoiseor vibration,
immediatelyshuttheengineoff.Allowthe impellertocome
to a completestop.Disconnectthe sparkplugwire,ground
itagainstthe engineandperformthe followingsteps:
a. Inspectfor damage.
b. Repairorreplaceanydamagedparts.
c. Checkforanyloosepartsandtightento assure
continuedsafeoperation.
6. Donotallow anaccumulationof processedmaterialtobuild
upinthe dischargearea.Thiscan preventproperdischarge
and resultin kickbackof materialthroughthefeed opening.
7. Donotattemptto shredorchipmateriallargerthan
specifiedonthe machineor inthis manual.Personalinjury
or machinedamagecouldresult.
8. Neverattemptto unclogeitherthe feed intakeordischarge
openingwhilethe engineisrunning.Shutthe engineoff,
wait untilall movingpartshavestopped,disconnectthe
sparkplugwireandgroundit againsttheenginebefore
clearingdebris.
9. Neveroperatewithoutthe shredderhopper,chipperchute,
or chutedeflectorproperlyattachedto the machine.Never
emptyor changedischargebagwhiletheengineis running.
10.Keepall guards,deflectorsand safetydevicesin placeand
operatingproperly.
11.Keepyourface andbody backand totheside ofthe chipper
chutewhilefeedingmaterialintothe machineto avoid
accidentalkickbackinjuries.
12.Neveroperatethis machinewithoutgoodvisibility or light.
13.Donotoperatethis machineon a paved,gravelor non-level
surface.
14.Donotoperatethis machinewhile underthe influenceof
alcoholordrugs.
15.Mufflerandenginebecomehotandcan causea burn.Do
nottouch.
16.Neverpickupor carrymachinewhilethe engineisrunning.
Maintenance & Storage
1. Nevertamperwithsafetydevices.Checktheirproper
operationregularly.
2. Checkboltsand screwsfor propertightnessatfrequent
intervalsto keepthe machinein safeworkingcondition.
Also,visuallyinspectmachineforanydamageandrepair,if
needed.
3. Beforecleaning,repairing,or inspecting,stopthe engine
andmakecertainthe impellerand all movingpartshave
stopped.Disconnectthe sparkplugwireand groundit
againsttheengineto preventunintendedstarting.
4. Do notchangethe enginegovernorsettingsor overspeed
theengine.Thegovernorcontrolsthemaximumsafe
operatingspeedoftheengine.
5. Maintainor replacesafetyandinstructionlabels,as neces-
sary.
6. Followthis manualforsafe 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 a runaway
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-
derstandand followthe warningsand instructionsin this manual
andonthe machine.
Practices
WARNING
This symbol 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 in personalinjury.
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.
5

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
the chipper shredder
isfrom theoperating
i positiononly. Excep-
tions ifany will be
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. Slidehopperassemblyontoweldstudsand replace
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
6

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
f
Fgure 3=5
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Figure 3=6
Your Chipper
Sh redder
IMPORTANT
This unitis shipped
without gasolineor
oil in the engine. Be
certainto service
enginewith gasoline
and oilas 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 illustrated inthis
manual maynotbe ap-
plicableto allmodels.
MTD LLC reservesthe
rightto change product
specifications,designs
and equipmentwithout
notice andwithout
_ncurringobligation.
7

Settingup
MPORTANT
This unitis shipped
without gasolineor
oil in the enginelae
certainto serv ce
engine with 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
iSfromtheoperating
positiononlylExcep;
tions,ifany, wIi be
specified:
i
NOTE: This Operators
ManUalcoversa range
Of productspecifiCa:
tionsfor Various
mode!s:Characteristics
and featuresdiscussed
andior ilUstratedinthiS
manual maynotbeap,
plicabletoali models!
MTD LLC reservesthe
right tochange product
specificationsidesigns
andequipment wthout
notice and without
incurringobligationl
Figure 3-7
/
/
/
/
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/
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
8

Figure 3=9
Figure 3=10
f
//
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
theseparateengine
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 maynotbe ap.
plicable to allmodels:
MTD LLC reservesthe
rightto Changeproduct
specifications; designs
and equipmentwithout
notice and w thout
incurr ng Obligationl
9

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-
ipingor shredding
and while performing
any adjustments or
repairs.
Use extreme care
when handling
igasoline.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.
10