Safety • Assembly • Operation • Tips &Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty
A O AL
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*Model462Shown
Chipper Shredder- Model Series 452 thru 465
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.770-100481
7/20/2006
This Operator's IVlanual is an important part of your new chipper shredder, it wiil 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 ............................................. Back Cover
Finding and Recording Model Number
BEFOREYOU STARTASSEMBLING
YOURNEW EQUIPMENT,
pleaselocate the model plateon theequipment and copy
the informationtothe samplemodel plate providedto the
right.Youcan locatethe modelplate by standingbehindthe
unitand looking down at theframe below the engine. This
informationwill benecessary to usethe manufacturer'sweb
site and/or obtainassistancefromthe CustomerSupport
Departmentoran authorizedservice dealer.
f
Model Number
®
www, mtdproducts,com
Serial Number
MTD LLC
P.O. BOX 361131
CLEVELAND, OH 44136
330-220-4683
800-800-7310
Customer Support
Please do NOTreturn the unit to the retailer from which it was
purchased, without first contacting Customer Support.
Ifyou havedifficultyassembling this productor haveany questionsregardingthecontrols, operation,or maintenanceof this
unit,youcan seek helpfrom the experts. Choosefromthe optionsbelow:
1. Visitmtdproducts.com. Click onYardMachinesand then the CustomerSupport menuoption.
2. Phone a Customer Support Representative at 1 (800) 800-7310.
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.
2
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.
ROTATING CUTTING BLADES.
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
processed
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.
J
I
KEEP HANDS AND FEET OUT
OF OPENINGS WHILE MACHINE
iS RUNNING.
• ROTATING CUTTING BLADES.KEEP HANDS
AND FEET OUT OF OPENING WHILE
MACHINE IS RUNNING.
• DO NOT OPERATE THIS MACHINE UNLESS
THE CHUTE DEFLECTOR HAS BEEN
PROPERLY INSTALLED AND IS SECURED
WITH THE HAND KNOBS.
ThisOperatorsManualcoversa rangeof productspecificationsforvariousmodels.Characteristicsandfeatures
discussedand/orillustratedinthis manualmaynotbeapplicabletoall models.MTDLLCreservestherightto
changeproductspecifications,designsandequipmentwithoutnoticeandwithoutincurringobligation.
WARNING
Thissymbolpoints
out importantsafety
instructionswhich,if
notfollowed,could
endangerthe personal
safetyand/or property
of yourselfandothers.
Readandfollowall
instructionsinthis
manualbeforeat-
temptingto operate
this machine.Failure
to complywiththese
instructionsmay result
in personalinjury.When
youseethis symbol.
HEED ITS WARNING!
Your Responsibility
Restrictthe use
ofthis power machine
to persons who read,
understand
and follow thewarnings
and instructions
in this manual
and onthe machine.
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 inpersonalinjury.When
youseethis symbol.
i HEED ITS WARNING!
i Your Responsibility
Restrictthe use
ofthis powermachine
to personswho read.
i understand
andfollow the warnings
and instructions
i inthis manual
and onthe machine.
WARNING: EngineExhaust,some of itsconstituents,andcertain vehiclecompo-
nentscontain or emit chemicals knownto Stateof Californiato causecancer and
birth defectsor other reproductiveharm.
DANGER: Thismachinewas builtto beoperatedaccordingto the rulesfor safe operation in this
manual.As with anytype of 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,and followall instructionsonthe ma- 1.
chineandin the manual(s)beforeattemptingtoassemble
andoperate.Keepthismanualinasafe placeforfuture
andregularreferenceandfor orderingreplacementparts.
2. Befamiliarwithallcontrolsandtheirproperoperation. 2.
Knowhowtostopthe machineanddisengagethem
quickly.
3. Neverallow childrenunder16yearsoldto operatethis
machine.Children16yearsoldandovershouldreadand 3.
understandthe operationinstructionsandsafety rulesin
thismanualandshouldbetrainedand supervisedbya
parent.
4. Neverallow adultstooperatethismachinewithoutproper
instruction. 4.
5. Keepbystanders,helpers,pets,andchildrenat least
75feetfromthe machinewhile it isin operation.Stop
machineif anyoneentersthe area.
6. Neverrunan engineindoorsor in apoorlyventilatedarea. 5.
Engineexhaustcontainscarbonmonoxide,anodorless
anddeadlygas. 6.
7. Donotputhandsandfeetnearrotatingpartsorin 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.Thrownobjectswhichricochetcancause serious
injurytothe eyes.
Wearsturdy,rough-soledworkshoesand close-fitting
slacksandshirts.Loosefittingclothesor jewelrycan be
caughtin movableparts.Neveroperatethis machine
in barefeetor sandals.Wearleatherworkgloveswhen
feedingmaterialin thechipperchute.
Beforestarting,checkallboltsand screwsfor propertight-
nessto besurethe machineisin safeworkingcondition.
Also,visuallyinspectmachineforanydamageatfrequent
intervals.
Maintainorreplacesafetyandinstructionslabels,as
necessary.
Toavoidpersonalinjuryorpropertydamageuseextreme
careinhandlinggasoline.Gasolineisextremelyflammable
andthe vaporsareexplosive.Seriouspersonalinjurycan
occurwhengasolineis spilledonyourselforyourclothes
whichcanignite.Washyourskinandchangeclothes
immediately.
a. Useonlyanapprovedgasolinecontainer.
b. Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.
c. Neverfuel machineindoors.
d. Neverremovegascap oraddfuelwhilethe 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 theengineandequip-
ment.Movemachinetoanotherarea.Wait5minutes
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 puthandsandfeetnearrotatingpartsor inthe
feedingchambersanddischargeopening.Contactwiththe
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. Donotuse
yourhandsorfeet.
5. fthe impellerstrikesaforeignobject or ifyourmachine
shouldstartmakinganunusualnoiseor vibration,
immediatelyshuttheengineoff.Allowthe impellertocome
to acompletestop.Disconnectthe sparkplugwire,ground
itagainstthe engineandperformthe followingsteps:
a. Inspectfordamage.
b. Repairorreplaceanydamagedparts.
c. Checkfor anyloosepartsand tightento assure
continuedsafeoperation.
6. Donotallowanaccumulationof 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 safetydevicesinplaceand
operatingproperly.
11.Keepyourface andbodybackand totheside ofthe chipper
chutewhilefeedingmaterialintothe machineto avoid
accidentalkickbackinjuries.
12.Neveroperatethis machinewithoutgoodvisibilityor light.
13.Donotoperatethismachineon apaved,gravelor non-level
surface.
14.Donotoperatethismachinewhileunderthe influenceof
alcoholordrugs.
15.Mufflerandenginebecomehotandcan causea burn.Do
nottouch.
16.Neverpickupor carrymachinewhilethe engineisrunning.
Maintenance & Storage
1. Nevertamperwithsafetydevices.Checktheirproper
operationregularly.
2. Checkboltsandscrewsforpropertightnessatfrequent
intervalstokeepthe machinein safeworkingcondition.
Also,visuallyinspectmachineforanydamageandrepair,if
needed.
3. Beforecleaning,repairing,or inspecting,stopthe engine
andmakecertainthe impellerandall movingpartshave
stopped.Disconnectthe sparkplugwireandgroundit
againsttheengineto preventunintendedstarting.
4. Donotchangetheenginegovernorsettingsor overspeed
theengine.Thegovernorcontrolsthemaximumsafe
operatingspeedoftheengine.
5. Maintainor replacesafetyandinstructionlabels,asneces-
sary.
6. Followthismanualforsafe loading,unloading,transporting,
andstorageofthis machine.
7. Neverstorethe machineorfuel containerinsidewhere
thereisan openflame,sparkor pilotlightsuchasa water
heater,furnace,clothesdryer,etc.
8. Alwaysreferto theoperator'smanualfor properinstructions
onoff-seasonstorage.
9. Ifthefueltank hasto bedrained,dothisoutdoors.
10.Observeproperdisposallawsandregulationsfor gas,oil,
etc.toprotecttheenvironment.
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 useofthispowermachineto personswhoread,un-
derstandandfollowthe warningsandinstructionsinthismanual
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.
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
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
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 oil as instructed
in theseparate 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.
7
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:
i
NOTE: This Operators
ManUalcoversa range
Of productspecifiCa:
tionsfor Various
mode!s:Characteristics
and featuresdiscussed
andior ilUstratedinthiS
manual may not beap,
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
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
9
WARNING
The operation of any
chippershredder
can result inforeign
objects being thrown
intothe eyes, which
can damageyour
I eyesseverely. Always
i wear the safety
glasses provided
with this unitor eye
i shields before chip-
pingor shredding
and while performing
i any adjustments or
repairs.
I Use extreme care
when handling
gasoline. Gasoline is
extremely flammable
i and the vapors are
explosive. Neverfuel
i the machine indoors
' or while the engine
is hot or running.
I Extinguish cigarettes,
cigars, pipesand
other sources of
ignition.
m
Know Your Chipper Shredder
HopperAssembly
ReleaseRod
Oil Fillt
Chipper Chute
Oil Fill
1 If Equipped
*Model462 Shownwith0
(Notincluded)
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.SeeFigure4-1aboveforlocationof
theoilfill.
2. Servicetheenginewithgasolineasinstructedinthe
enginemanual. SeeFigure4-1aboveforlocationof
gasfill.
WARNING:Useextremecarewhenhan-
dling gasoline.Gasolineisextremely
flammableand the vapors areexplosive.
Neverfuel the machine indoorsor while
the engineishot 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
ThisOperatorsManualcoversa rangeof product f _ -=]
specificationsforvariousmodels.Characteristicsandfea- _ /, |
turesdiscussedand/orillustratedinthismanualmaynot _ _ |
be applicabletoallmodels.MTDLLCreservestheright ._1__ _11111_
tochangeproductspecifications,designsandequipment _
withoutnoticeandwithoutincurringobligation.
Starting Engine (
WARNING: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).
Engineswithprimer:
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)indiametercanbefedinto
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.
Never run the engine
indoorsorin a poorly
ventilated area: Engine
exhaust contains
carbon monoxide, an
)dorless and deadly
NOTE:A noisewillbe
heardwhenfindingthestart
ofthe compressioncycle.
Thisnoiseiscausedby
theflailsandfingers,which
arepartoftheshredding
mechanism,anditshould
beexpecteduntilthe impel-
er reachesfullspeed.
11
Your Chipper
Shredder
Always stop engine,
disconnectspark
plug, and ground
against engine
before cleaning,
lubricatingor
doingany kindof
maintenanceonyour
machine.
points before
reassembly.
*Model462Shown
Figure 5-1
;//
/*Model462 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.
5.
Periodicallycheckallfastenersand makesurethese
aretight.
_ WARNING:Alwaysstopengine,
disconnectsparkplug, and ground
against enginebeforecleaning,
lubricating or doingany kind of
maintenanceon yourmachine.
Lubrication
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. Removethetwo hairpinclipsfromeachclevispin
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.
12
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.
Sharpening Or Replacing The Shred-
der Blade
_ ARNING:Theimpeller'schipperblades
are sharp. Wearleatherwork gloves to
protectyour hands.
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.SeeFigure5-4.
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.
13
Your Chipper
i
,redder
WARi ,,ING
The impeller S
chipper blades and
shredder blade are
sharp: Wear leather
work gloves to
protect your hands;
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 levernotincorrectStarting i Movethrott, e everto FASTor
post on (f equpped) STARTposton
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:
.
2.
3.
4.
5.
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 ,
14
NOTES
Use this page to make notes and write down important information.
15
Model Series 452 Thru 465
j_
i •¢/i
16
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 HexLockNut1/4-20
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
17
££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
iVlodel Series 452 Thru 465
(16
1ft ModelSeries454&464
:l:{ ModelSeries452&462
*If Equipped
18
Ref. PartNo. Description
No.
1. 728-0175 PopRivet
2. 731-1899 ChipperShredderChute
681-0095{H ChipperShredderChute
3. 735-0249 ChuteFlap
4. 781-0633 ChuteFlapStrip
5. 681-0068A . ChipperChuteAssembly
6. 710-0751 HexCapScrew1/4-20x.620
7. 712-3027 HexLockNut1/4-20
8. 710-0106 HexCapScrew1/4-20x 1.25
9. 736-0173 FlatWasher.28IDx.74OD
10. 736-0242 BellWasher.340IDx.872OD
11. 712-3010 HexNut5/16-18
12. 749-1004 SupportBrace
13. 712-3004A HexLockNut5/16-18
14. 710-0805_{ HexCapScrew5/16-18x 1.50
710-3180tt HexCapScrew5/16-18x 1.75
15. 736-0170 BellWasher5/16x 1.0
16. 736-0366tH FlatWasher
17. 738-0814_:{ AxieAssembly
738-0813tH AxleAssembly
18. 750-0786_{ Spacer
19. 734-1600_:{ WheelComp.,10.0x 2.5Plastic
734-1845t{{ WheelComplete,10.0x 4.0Gray
20. 726-0214 PushCap
21. 681-0184A_{H Frame
681-0183Att Frame
22. 736-0451 Washer,.320IDx.93 OD
23. 710-0502A Screw,3/8-16x 1.250
24. 737-0195A{H 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,.50x 4.62
32. 712-3017" HexNut,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)
-- 664-04022 ChipperBagAss'y(NotShown)
-- 664-04023tt_ ChipperBagAss'y(NotShown)
t ModelSeries464
tt Model464GOnly
_1ModelSeries462
{ Models452
HModels454
AModels462& 464D
* IfEquipped
Models465
19
=iTS
To order replacement
parts, contact
1-800-800-7310or visit
www.mtdproducts.com
NOTE: This Operators
Manualcovers a range
of productspecifica-
tions for various
models.Characteristics
andfeaturesdiscussed
and/or illustratedinthis
manual may not beap-
plicableto all models.
MTD LLCreservesthe
rightto change product
specifications,designs
and equipmentwithout
notice and without
incurringobligation.
MANUFACTURER'S LiMiTED WARRANTY FOR
ThelimitedwarrantysetforthbelowisgivenbyMTDLLCwithrespect
tonewmerchandisepurchasedandusedin theUnitedStates,its
possessionsandterritories.
"MTD"warrantsthisproductagainstdefectsinmaterialandworkman-
shipfora periodoftwo (2)yearscommencingonthedateoforiginal
purchaseandwill,at itsoption,repairor replace,freeofcharge,any
partfoundto bedefectiveinmaterialsorworkmanship.Thislimitedwar-
rantyshallonlyapplyifthisproducthasbeenoperatedand maintained
inaccordancewiththeOperator'sManualfurnishedwiththeproduct,
andhasnotbeensubjectto misuse,abuse,commercialuse,neglect,
accident,impropermaintenance,alteration,vandalism,theft,fire,water,
ordamagebecauseofotherperilor naturaldisaster.Damageresulting
fromthe installationor useofanypart,accessoryor attachmentnot
approvedby MTDforusewiththeproduct(s)coveredbythismanual
willvoidyourwarrantyastoanyresultingdamage.
Normalwearpartsarewarrantedto befreefromdefectsinmaterialand
workmanshipfora periodofthirty(30)daysfromthedateof purchase.
Normalwearpartsinclude,butare notlimitedto itemssuchas: batter-
ies,belts,blades,bladeadapters,grassbags,riderdeckwheels,seats,
snowthrowerskidshoes,shaveplates,augerspiralrubberandtires.
HOW TO OBTAINSERVICE: Warrantyservice isavailable,WITH
PROOFOF PURCHASE,throughyour localauthorized service
dealer.Tolocate the dealer in yourarea, check yourYellowPages,
or contact MTDLLCat RO. Box361131,Cleveland,Ohio 44136-
0019,or call 1-800-800-7310or 1-330-220-4683 or log on to our
Website at www.mtdproducts.com.
Thislimitedwarrantydoesnot providecoverageinthefollowingcases:
a. Theengineor componentpartsthereof.Theseitemsmaycarrya
separatemanufacturer'swarranty.Refertoapplicablemanufacturer's
warrantyfortermsandconditions.
b. Logsplitterpumps,valves,andcylindershavea separateoneyear
warranty.
c. Routinemaintenanceitemssuchaslubricants,filters,blade
sharpening,tune-ups,brakeadjustments,clutchadjustments,deck
adjustments,andnormaldeteriorationoftheexteriorfinishdueto
useor exposure.
d. Servicecompletedbysomeoneotherthananauthorizedservice
dealer.
e. MTDdoesnotextendanywarrantyforproductssoldor exported
outsideoftheUnitedStates,its possessionsandterritories,except
thosesoldthroughMTD'sauthorizedchannelsofexportdistribution.
f. ReplacementpartsthatarenotgenuineMTDparts.
g. Transportationchargesandservicecalls.
Noimpliedwarranty,includingany impliedwarranty of mer-
chantabilityof fitness for a particular purpose,applies after the
applicable periodof expresswritten warranty aboveasto the
partsasidentified.Nootherexpresswarranty, whetherwrittenor
oral, exceptas mentioned above,givenby anypersonor entity,
includinga dealeror retailer, withrespect to any product,shall
bindMTD.Duringthe periodof the warranty,the exclusiveremedy
isrepairor replacementof the productas setforth above.
Theprovisionsasset forth inthis warrantyprovidethesoleand
exclusiveremedy arising from the sale.MTDshallnot be liable
for incidentalor consequentiallossor damageincluding,without
limitation, expensesincurredfor substituteor replacementlawn
careservicesor for rentalexpensesto temporarily replacea
warranted product.
Somestatesdo notallowtheexclusionor limitationofincidentalor
consequentialdamages,or limitationsonhowlongan impliedwarranty
lasts,sotheaboveexclusionsor limitationsmaynotapplytoyou.
Innoeventshallrecoveryofanykindbegreaterthantheamountofthe
purchasepriceof theproductsold.Alterationof safetyfeaturesof
the productshallvoid this warranty. Youassumetheriskandliability
forloss,damage,or injurytoyouandyourpropertyand/ortoothersand
theirpropertyarisingoutofthemisuseor inabilitytousethe product.
Thislimitedwarrantyshallnotextendtoanyoneotherthantheoriginal
purchaserorto thepersonforwhomitwas purchasedasa gift.
HOWSTATELAWRELATESTOTHISWARRANTY:This limited
warrantygivesyouspecificlegalrights,and youmayalsohaveother
rightswhichvaryfromstatetostate.
IMPORTANT:OwnermustpresentOriginalProofof Purchasetoobtain
warrantycoverage.
IViTDLLC, P.O. BOX 361131 CLEVELAND, OHiO 44136-0019; Phone: 1=800=800-7310, 1-330=220-4683
/
