MTD 24A 465E729 User Manual CHIPPER/SHREDDER Manuals And Guides 1109237L

User Manual: MTD 24A-465E729 24A-465E729 MTD CHIPPER/SHREDDER - Manuals and Guides View the owners manual for your MTD CHIPPER/SHREDDER #24A465E729. Home:Lawn & Garden Parts:MTD Parts:MTD CHIPPER/SHREDDER Manual

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

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*Model462 Shown

Chipper Shredder-

Model Series 452 thru 465
IMPORTANT

READ SAFETY

RULES AND iNSTRUCTiONS

CAREFULLY

BEFORE

OPERATION

Warning: This unit isequippedwithan internalcombustionengineand shouldnot be usedon or nearany unimprovedforest-covered,brushcoveredor grass-coveredland unlesstheengine'sexhaustsystemis equippedwith a sparkarrestermeetingapplicablelocalor statelaws(if any).
If a sparkarresterisused,it shouldbe maintainedineffectiveworkingorder by the operator.In theState of Californiathe aboveisrequiredbylaw
(Section4442 of the CaliforniaPublicResourcesCode). Otherstatesmay havesimilarlaws.Federallaws applyon federallands.A sparkarrester
for the muffleris availablethroughyour nearestengineauthorizedservicedealeror contactthe servicedepartment,RO. Box361131Cleveland,
Ohio 44136-0019.

PRINTEDIN U.S.A.

MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

FORMNO.770-100481
7/20/2006

This Operator's

IVlanual is an important

pare and maintain

part of your new chipper

the unit for best performance.

Please

shredder,

it wiil help you assemble,

read and understand

pre=

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 ................
Troubleshooting ................................................
Parts List ...........................................................
Warranty .............................................

12
14
16

Back Cover

Finding and Recording Model Number
f

BEFOREYOU STARTASSEMBLING
YOUR NEW EQUIPMENT,
please locate the model plate on the equipment and copy
the information to the sample model plate providedto the
right. You can locate the model plate by standing behind the
unit and looking down at the frame below the engine. This
informationwill be necessary to use the manufacturer'sweb
site and/or obtain assistance from the Customer Support
Department or an authorizedservice dealer.

Model Number

Serial Number

MTD LLC

www, mtdproducts,com

P.O. BOX
361131
CLEVELAND, OH 44136
330-220-4683
800-800-7310

Customer Support
Please

do NOTreturn

purchased,

without

the unit to the retailer from
first contacting

Customer

which it was
Support.

If you have difficulty assembling this product or have any questions regarding the controls, operation, or maintenanceof this
unit, you can seek help from the experts. Choose from the options below:
1. Visit mtdproducts.com.

Click on Yard Machines and then the CustomerSupport menu option.

2. Phone a Customer Support Representative at 1 (800) 800-7310.
3. The engine manufacturer is responsible for all engine-related issues with regards to performance, power-rating,specifications, warranty and service. Please refer to the engine manufacturer's Owner's/Operator's Manual, packedseparately with
your unit, for more information.
2

TO AVOID SERIOUS iNJURY:

TO AVOID SERIOUS iNJURY:
•

•

Do not operate on uneven ground where unit is
unstable,

other hard surfaces

To avoid a fire hazard, keep leaves, grass, and other
combustible
muffler,

materials

•

Keep children

•

operation,
Wear approved

the owner's

Keep all shields
attached.

•

Keep

hands,

Shredder

away from hot engine and

Chute

feet, face,

starting

these

injury

in place

clothing

Chipper

the engine

inside

personal
safety glasses, gloves and ear

before

and guards

Hopper,

while

blades

and others away from area of

manual(s)

and

unit,

•

since objects can ricochet

and cause injury,
•

Read
using

Do not operate on pavement, gravel or

and long hair

Chute

if contacted.

out of

and Discharge

is running,

openings

and securely

will

Rotating
cause

Material

cutting

serious

being

processed

protection.

may bounce
from

back

the discharge

may be pulled
•

Do not place

from

inlet

chute.

sucked

into the inlet

branches

the large

Shredder

diameter

should

openings

or be thrown

Long hair or loose

clothing

openings.

over 1/2 inch diameter

Hopper.
be placed

Branches

into

over 1/2 inch in

in the Small

Chipper

Chute.
•

If the

chipped

immediately
moving

shredder
shut

jams or becomes

off the engine

clogged,

and wait for all

parts

to come to a complete

install

remove,

stop

before

clearing.
•

Do not
discharge

is running.

screen
Blade

adjust,

or service

or any other part
contact

while

the
the engine

can occur.

• ROTATING
AND

FEET

MACHINE

ROTATING CUTTING BLADES.

CUTTING
IS

THE

OF OPENINGS WHILE MACHINE

CHUTE

OF OPENING
THIS

MACHINE

DEFLECTOR

PROPERLY

INSTALLED

WITH

HAND

THE

HANDS
WHILE

RUNNING.

• DO NOT OPERATE

KEEP HANDS AND FEET OUT

BLADES.KEEP

OUT

AND

UNLESS

HAS BEEN
IS SECURED

KNOBS.

iS RUNNING.

WARNING
This symbol points
out importantsafety
instructionswhich, if
not followed,could
endangerthe personal
safety and/or property
of yourselfand others.
Read and follow all
instructionsin this
manual beforeattemptingto operate
this machine. Failure
to comply with these
instructionsmay result
in personalinjury.When
you see this symbol.
HEED ITS WARNING!

Your Responsibility
Restrict the use
of this power machine
to persons who read,
understand
and follow the warnings
and instructions
in this manual
and onthe machine.
This OperatorsManualcoversa rangeof productspecificationsfor variousmodels.Characteristicsand features
discussedand/orillustrated
inthis manualmay not be applicableto all models.MTDLLC reservesthe rightto
changeproductspecifications,designsand equipmentwithoutnoticeand withoutincurring
obligation.

WARNING: Engine Exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to State of Californiato cause cancer and
birth defects or other reproductiveharm.
DANGER: This machine was built to be operated according to the rules for safe operation in this
manual. As with any type of power equipment, carelessness or error on the part of the operator can
result in serious injury. This machine is capable of amputating hands and feet and throwing objects.
Failureto observe the following safety instructions
could result in serious injuryor death.

Training

WARNING
This symbol points
out importantsafety
instructionswhich, if
not followed,could
endangerthe personal
i safety and/or property
I ofyourselfand others.
Read and follow all
instructionsin this
manual beforeattemptingto operate
i this machine. Failure
I to complywith these
instructionsmay result
i in personalinjury.When
you see this symbol.

Preparation

1. Read,understand,and followall instructionson the machine andin the manual(s)beforeattemptingto assemble
andoperate.Keepthis manualina safe placefor future
and regularreferenceand for orderingreplacementparts.
2. Be familiarwith all controls andtheir proper operation.
Know howto stop the machineanddisengagethem
quickly.
3. Neverallow childrenunder 16years oldto operatethis
machine.Children 16years old andovershould read and
understandthe operationinstructionsandsafety rulesin
this manualand shouldbe trainedand supervisedbya
parent.
4. Neverallow adultsto operatethis machinewithoutproper
instruction.

1. Thoroughlyinspectthe area wherethe equipmentis to
be used. Removeall rocks,bottles,cans, or otherforeign
objectswhichcould be pickedup or thrown andcause
personalinjury or damageto the machine.
2. Alwayswearsafetyglasses or safetygogglesduringoperation or whileperformingan adjustmentor repair,to protect
eyes. Thrownobjectswhich ricochetcan cause serious
injury to the eyes.
3. Wearsturdy, rough-soledworkshoesand close-fitting
slacksandshirts. Loosefitting clothesor jewelrycan be
caught in movableparts. Neveroperatethis machine
in barefeet or sandals.Wear leatherwork gloves when
feedingmaterialin the chipperchute.
4. Beforestarting,check all bolts and screwsfor propertightnessto be surethe machineis in safe workingcondition.
Also,visuallyinspectmachinefor any damageat frequent
intervals.

5. Keepbystanders,helpers,pets,and childrenat least
75 feetfrom the machinewhile it is in operation.Stop
machineif anyoneentersthe area.
6. Neverrunan engineindoorsor in a poorlyventilatedarea.
Engineexhaustcontainscarbon monoxide,an odorless
anddeadly gas.
7. Do not put hands andfeet near rotatingparts or in the
feedingchambersanddischargeopening.Contactwith
the rotatingimpellercan amputatefingers,hands,and
feet.

5. Maintainor replacesafetyandinstructionslabels,as
necessary.
6. Toavoid personalinjury or propertydamage use extreme
care inhandlinggasoline.Gasolineis extremelyflammable
andthe vaporsare explosive.Serious personalinjury can
occurwhen gasolineis spilledon yourself or your clothes
whichcan ignite.Washyour skinand changeclothes
immediately.
a. Useonly an approvedgasolinecontainer.
b. Extinguishall cigarettes,cigars, pipes,andother
sourcesof ignition.
c. Neverfuel machineindoors.

8. Neverattemptto unclogeither the feed intakeor
dischargeopening, removeor empty bag,or inspectand
repairthe machinewhilethe engineis running.Shutthe
engineoff andwait until all moving partshavecometo a
completestop. Disconnectthe spark plug wire andground
it againstthe engine.

d. Neverremovegas cap or add fuel whilethe engineis hot
or running.
e. Allow engineto coolat leasttwo minutesbeforerefueling.
f. Neveroverfill fuel tank. Filltank to no morethan 1/2

i HEED ITS WARNING!

inch belowbottomof filler neckto providespacefor fuel
expansion.
g. Replacegasolinecap andtighten securely.
h. If gasolineis spilled,wipe it off the engine and equipment. Movemachineto another area.Wait 5 minutes

i Your Responsibility
Restrict the use
of this power machine
to personswho read.
i understand

beforestartingthe engine.
i. Neverstorethe machineor fuel containerinside where
there is an openflame, spark,or pilot light (e.g.furnace,
waterheater,spaceheater,clothesdryer,etc.)
j. Toreducea fire hazard,keepmachinefree of grass,
leaves,or otherdebris build-up.Clean up oil or fuel
spillageand removeanyfuel soakeddebris.
k. Allow machineto cool at least5 minutesbeforestoring.

and follow the warnings
and instructions
i in this manual
and on the machine.

Operation

Maintenance

& Storage

1. Donot put hands andfeet near rotatingpartsor in the
feedingchambersand dischargeopening.Contactwith the
rotatingimpellercan amputatefingers, hands,andfeet.
2. Beforestartingthe machine,makesurethe chipperchute,
feed intake,and cuttingchamberare empty andfree of all
debris.

1. Nevertamper withsafetydevices.Checktheir proper
operationregularly.
2. Checkbolts and screwsfor propertightness at frequent
intervalsto keepthe machinein safe workingcondition.
Also,visuallyinspectmachinefor any damageand repair,if
needed.

3. Thoroughlyinspectall materialto be shreddedand remove
any metal,rocks,bottles, cans, or otherforeignobjects
which could causepersonalinjury or damageto the
machine.

3. Beforecleaning,repairing,or inspecting,stop the engine
andmakecertain the impellerand all movingparts have
stopped.Disconnectthe sparkplug wire and groundit
againstthe engine to preventunintendedstarting.
4. Do not changethe engine governorsettingsor overspeed
the engine.The governorcontrols the maximumsafe
operatingspeed of the engine.
5. Maintainor replacesafetyandinstructionlabels, as necessary.
6. Followthis manualforsafe loading,unloading,transporting,
andstorageof this machine.
7. Neverstorethe machineor fuel containerinside where
thereis an openflame, sparkor pilot lightsuch as a water
heater,furnace, clothesdryer,etc.
8. Alwaysreferto the operator'smanualfor proper instructions
on off-seasonstorage.
9. If the fuel tank has to be drained,do this outdoors.
10. Observeproper disposallaws andregulationsfor gas, oil,
etc. to protectthe environment.

4. f it becomesnecessaryto pushmaterialthroughthe
shredderhopper, usea smalldiameterstick. Do not use
your hands or feet.
5. f the impeller strikesa foreignobject or if your machine
should start makingan unusual noiseor vibration,
immediatelyshut the engine off. Allow the impellerto come
to a completestop.Disconnectthe sparkplug wire, ground
it againstthe engine andperformthe followingsteps:
a. Inspectfor damage.
b. Repairor replaceany damagedparts.
c. Checkfor any loose partsand tightento assure
continuedsafe operation.
6. Donot allow an accumulationof processedmaterialto build
up inthe dischargearea.This can preventproperdischarge
and result in kickbackof materialthrough the feed opening.
7. Donot attemptto shred or chip materiallargerthan
specifiedon the machineor inthis manual.Personalinjury
or machinedamagecould result.
8. Neverattemptto unclogeitherthe feed intakeor discharge
openingwhilethe engine is running.Shutthe engine off,
wait until all movingparts havestopped,disconnectthe
spark plug wire andground it againstthe engine before
clearing debris.
9. Neveroperate withoutthe shredderhopper,chipperchute,
or chute deflectorproperlyattachedto the machine.Never
empty or changedischargebagwhilethe engine is running.
10. Keepall guards,deflectorsand safetydevices in placeand
operatingproperly.
11. Keepyourface andbody backand to the side ofthe chipper
chute whilefeedingmaterialintothe machineto avoid
accidental kickbackinjuries.
12. Neveroperatethis machinewithoutgoodvisibility or light.
13. Donot operate this machineon a paved,gravelor non-level
surface.

Do not modify

engine

Toavoid seriousinjury or death,do not modifyengine inany
way.Tamperingwiththe governorsettingcan leadto a runaway
engineandcauseit to operateat unsafespeeds.Nevertamper
withfactorysettingof enginegovernor.
Notice

regarding

Emissions

Engineswhichare certifiedto complywithCaliforniaandfederal
EPAemissionregulationsfor SORE(SmallOff RoadEquipment)
arecertified to operateon regularunleadedgasoline,and may
includethe followingemissioncontrolsystems:EngineModification (EM)andThreeWayCatalyst(TWO)if so equipped.
Your Responsibility
Restrictthe useof this powermachineto personswho read,understandand followthe warningsand instructionsin this manual
andon the machine.

14. Donot operate this machinewhile underthe influenceof
alcohol or drugs.
15. Mufflerandengine becomehot andcan causea burn.Do
not touch.

Practices

WARNING
This symbol points
out important safety
instructions, which if
not followed, could
endanger the personal
safety and/or property
of yourself and others.
Read and follow all
instructions in this manual before attempting to
operate this machine.
Failureto comply with
these instructions may
result in personal injury.
When you see this
symbol.
HEED

iT S WARNING!

Your Responsibility
Restrictthe use

16. Neverpickup or carry machinewhilethe engine is running.

of this power machine
to persons who read.
understand
and follow the warnings
and instructions
in this manua
and on the machine.

IMPORTANT:This unit is shippedwithoutgasolineor oil
in theengine.Be certainto serviceenginewith gasoline
and oil as instructedin the separateengine manual
beforeoperatingyour machine.

Loose Parts In Carton
a. HopperAssembly

d. Bag

b. Chute Deflector

e. SafetyGlasses

c. ChipperChute

f. EngineOil

Attaching The Hopper

Shredder

Assembly
1. a. Removesix hexnuts and washersfrom the weld
studson the impellerhousing.Donot removethe
supportplate. See Figure3-1.
b. Placehopperassemblyinto positionin front of
impellerhousing,aligningholesin hopperassembly
collarwith weldstuds.

IMPORTANT
This unit is shipped
without gasoline or
oil in the engine. Be
certainto service

Figure 3=1

c. Slide hopperassemblyontoweld studsand replace
washersand hex nuts.Donot tightencompletely.
2. a. Lift hopperassemblyup to impellerbracket
assembly.
b. Slide the releaserod out slightlyto hookthe hopper
bracketontothe rod.See Figure3-2.
c. Tightenthe six hexnuts that securehopper
assemblyto impellerhousingand alsotightenthe
hex nutsthat secure hopperbracketto hopper
assembly.

enginewith gasoline
and oil as instructed
in the separate engine
manual before operating your machine.
NOTE: All references
in this manual to the
left or right side of
the chipper shredder
is from the operating
i position only. Exceptions if any will be
specified.

Figure 3-2

NOTE: This Operators
i Manual covers a range
of product specifications for various
models. Characteristics
and featuresdiscussed
and/or illustrated in this
manual may not be applicable to all models.
MTD LLC reserves the
right to change product
specifications, designs
and equipment without
notice and without
=ncurringobligation.

Figure 3-3

Attaching The Chute Deflector
3. a. Removethe wingknobs fromeach sideof the lower
impellerhousing.
b. Removethe hexlock nut,spacers,andhex boltfrom
the topof theimpellerhousing.SeeFigure3-3.
4. a. Align the chutedeflectorin positionon the
dischargeopeningand inserthex boltwith spacer
throughhingeon chutedeflector(spacersfit inside
of hinges).See Figure314.
b. Placesecondspaceroverhex bolt insideother
hingeand securewith hex lock nut.
c. Securebothsides of chutedeflectorto impeller
housingusingwingknobspreviouslyremoved.

Your Chipper
Sh redder

Attaching The Chipper Chute
(Model Series 460)
5. a. Removethe threecuppedwashersand hexnuts
from weldstudsaroundthe openingon the side of
the impellerhousing.See Figure3-5.
b. Removethe hexbolts,flat washers,and lock nuts
from the two holeson the upperend of the support
brace.

IMPORTANT

Figure 3-4

This unit is shipped
without gasolineor
oil in the engine. Be
certain to service

6. a. Align the chipperchute overthe weldstuds, sothe
slot in the bottomof the chuteis facing down.
b. Securechipperchute with the threecupped
washers(cuppedsideagainstthe chipperchute)
and hexnuts previouslyremoved.Do nottighten
the nuts at this time. See Figure316.

enginewith gasoline
and oil as instructed
in the separate engine
manual before operating your machine.
NOTE: All references
in this manual to the
left or right side of
the chipper shredder
is from the operating
position only. Exceptions, if any, will be
specified.

Fgure 3=5
f
/

/
/

/
//

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

NOTE: This Operators
Manual covers a range
of product specifications for various
models. Characteristics
and features discussed
and/or illustrated in this
manual may not be applicable to all models.
MTD LLC reservesthe

Figure 3=6

right to change product
specifications, designs
and equipmentwithout
notice and without
_ncurringobligation.

7. Thechippershredderwas shippedwith one end of
the supportbracealreadysecuredto the lowerframe.
Loosenbut do not removethebolts securingthe brace
to the frame.See Figure3-7.

/
/

ji
//
//

///

a. Align the holesin the chutewith the holes in the top
of the braceand attachbraceto chipperchute with
hardwarepreviouslyremoved.Tightensecurely.
b. Tightenthe bolts securingthe supportbraceto the
frame.

Setting u p

c. Tightenthe three nutson the weldstudsholding
the chipperchuteto the impellerhousing.

Attaching The Chipper

Chute

(Model Series 450)

MPORTANT

8. a. Removethethreecuppedwashersand hex nuts
fromweld studsaroundtheopeningon the sideof
the impellerhousing.See Figure3-8.

Figure 3-7

This unitis shipped
without gasoline or
oil in the enginelae
certain to serv ce
engine with gasoline
in

an_Joil as instructed
the separate engine
manUaI beforeope!ating your machine

NOTE: All references
in this manual tOthe
left or right side of
the chipper shredder
iSfrom the operating
position onlyl Excep;
tions, if any, w Ii be
specified:

Figure 3=8

NOTE: This Operators
ManUalcovers a range
Of product specifiCa:
tions for Various
mode!s:Characteristics
and featuresdiscussed
andior ilUstratedinthiS
manual may not be ap,
plicable toali models!
MTD LLC reservesthe
right to change product
specificationsidesigns
andequipment w thout
notice and without
incurring obligationl
8

9. a. Align the chipperchute overthe weldstuds, sothe
slot in the bottomof the chuteis facing down.
b. Securechipperchute with the threecupped
washers(cuppedsideagainstthe chipperchute)
and hexnuts previouslyremoved.Tightenthe nuts
at this time.See Figure3-9.

/
/

Attaching The Bag

Setting

10.Toattachthe bag:

YourChippe

a. Placethe openingof the bag completelyover the
chute deflector.

Shredder

b. Pullon the drawstringuntilthe bag is tight around
chute deflectoropening.
c. Clipdrawstringback on itself,tight againstchute
deflectorto secureintoposition.See Figure3-10.

Figure 3=9

MPORTANT
This unit iSshipped
without gaso ine or
oilin the enginelBe
Certain to service
engine with gasoline
and Oilas instrUCted
the separate engine
manual before operati
ing your machine:
NOTE: All references
this manual tothe

Figure 3=10

left or right side of
the chipper shredder
is from the 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
and features discussed
and/or iilustrated in this
manual may not be ap.
plicable to all models:
MTD LLC reservesthe
right to Changeproduct
specifications; designs
and equipment without
notice and w thout
incurr ng Obligationl

Know Your Chipper

Shredder

HopperAssembly
ReleaseRod
Oil Fillt

Chipper Chute

WARNING

I
i

The operation of any
chipper shredder
can result in foreign
objects being thrown
intothe eyes, which
can damage your
eyes severely. Always
wear the safety
glasses provided
with this unit or eye
shields before chipping or shredding
and while performing
any adjustments or
repairs.

Oil Fill
1 If Equipped
*Model462 Shownwith 0

(Not included)

Figure 4-1
Now thatyou haveset up your chippershredderfor
operation,get aquaintedwith its controlsand features.
Theseare describedbelowand illustratedon this page.
This knowledgewillallowyou to use yournewequipmentto its fullestpotential.

Chipper

Gas and Oil Fill-Up
1. Checkoil leveland add oil if necessary.Followengine
manualfor this. See Figure4-1 abovefor locationof
the oil fill.
2. Servicethe enginewith gasolineas instructedin the
enginemanual. See Figure4-1 abovefor locationof
gasfill.

Chute

Allowstwigsand small branchesup to 3" (2"for Model
Series450) indiameterto be fed intothe impellerfor
chipping.See Figure4-1.

I Use extreme care

Hopper

when handling
gasoline. Gasoline is
extremely flammable
i and the vapors are
explosive. Neverfuel
i the machine indoors
' or while the engine

Allowleavesand small branchesup to 1/2diameter
to be fed into theimpellerforchippingand shredding.
Materialcan be rakedinto hopperassemblyby lowering
the hopperassembly.See Figure4-1.

is hot or running.
I Extinguish cigarettes,
cigars, pipes and
other sources of
ignition.

Release

Assembly

WARNING: Useextremecarewhen handling gasoline.Gasoline is extremely
flammable and the vapors are explosive.
Never fuel the machine indoorsor while
the engineis hot or running.Extinguish
cigarettes, cigars, pipesand other
sources of ignition.

Rod
WARNING:The operation of any
chippershredder canresultin foreign
objects being thrown intothe eyes,
which can damage your eyes severely. Always wear the safety glasses
providedwith this unit or eye shields
before chippingor shredding and while
performingany adjustments or repairs.

The releaserod is locatedon the impellerbracket
assemblyand it is usedto releaseor lock the hopper
whenraisingor lowering.See Figure4-1.
Tow Bar (if Equipped)
Use thetow bar to tow the chippershredderbehinda
tractorto a jobsite.See Figure4-1.
NOTE:If your unit isnotequippedwith a tow bar,you
maycontact CustomerSupportas instructedon page2
for information
regardingpriceand availability.

This OperatorsManualcoversa rangeof product
f
specificationsforvariousmodels.Characteristicsand features discussedand/or illustratedin this manualmay not

_
_

be applicableto all models.MTDLLCreservesthe right
to changeproductspecifications,designsand equipment
withoutnoticeand withoutincurringobligation.

._1__

Starting

Engine

/,
_

-=]
|
|

_11111_
_

(

WARNING:Never run the engine
indoorsor in a poorlyventilatedarea.
Figure 4=2
Engine exhaustcontainscarbonmonoxStopping
Engine
ide,an odorless and deadly gas.
1. Movethrottlecontrolleverto STOPor OFF position.
IMPORTANT:Becausethis manualcoversseveral
differentmodelunits,differentstartinginstructions
may
applyto your particularengine.Someenginesmay have
a fuel petcock,some maynot. Someenginesmay have
On/Off switches,othermaynot. Someunits will utilizea
choke system,whileotherswill requirepriming. These
factorsdependon what makeand modelenginecomes
with your particularunit. For these reasons,pleaserefer
to the engineoperator'smanualforthe correctstarting
procedure.
1. Attachspark plugwire to spark plug.Makecertain
the metalcap on theend of the sparkplug isfastened
securelyoverthe metal tip on the spark plug.
2. Engines with choke lever:
Movechokeleveron engineto CHOKEposition.(A
warm enginemay not requirechoking).
Engines with primer:

2. Disconnectspark plug wirefrom spark plugand
groundagainstthe engine.
NOTE:See yourenginemanualpackedwith your unit
for moredetailedinstructions.

Using The Chipper

Shredder

Yardwastesuchas leavesand pine needlescan be
rakedup throughthe hopperassemblyfor shredding.
After materialhas been shreddedbythe flail blades
on the impellerassembly,itwill be dischargedout of
openingor into catcherbag. Donot attemptto shred
or chip anymaterialotherthanvegetationfoundina
normalyard (i.e. branches,leaves,twigs, etc.)Avoid
fibrousplantssuch as tomatovines until theyare
thoroughlydriedout. Twigsand small branchesup to 3"
(2" for ModelSeries450) indiameter can be fed into
the chipperchute.

Lowering

The Hopper Assembly

Primeengineas instructed
inseparateengine manual. 1. With one handgraspthe handleat the top of the
hopperassemblyand lift slightly.
3. The throttlecontrolleveris locatedon the engine.
Moveenginethrottlecontrol leverto FASTor START 2. With theother handpull out on the releaserod
position.See Figure4-2.
and lowerthe hopperassemblyto the ground.See
Figure4-1.
4. Graspstarterhandleand pull ropeout slowlyuntil
engine reachesstart of compressioncycle(rope will
pull slightlyharderat this point).
NOTE:A noisewill be heard whenfindingthe start of
the compressioncycle. This noiseis causedby theflails
and fingers,whichare partof the shreddingmechanism,
and it shouldbe expecteduntilthe impellerreachesfull
speed.
5. Pull ropewith a rapid,continuous,fullarm stroke.
Keepa firm grip on starterhandle.Let roperewind
slowly.
6. Repeatthe previousstepsuntilenginefires.When
engine starts,movechokecontrol(if equipped)
graduallyto RUNposition.

To Empty

Bag

1. Un-clipdrawstringand loosenbag from chute
deflectoropening.
2. Emptybag and reattachto the dischargechute
opening.Pull on the drawstringuntilthe bag istight
aroundthe chuteopeningand clip thedrawstring
tight againstthechute deflector.
IMPORTANT:The flailscreen islocatedinsidethe
housingin the dischargearea.If theflail screen
becomesclogged,removeand cleanas instructedin
SECTION5: MAINTAININGYOURCHIPPERSHREDDER.Forbest performance,it isalso important
to keep
the chipperblade sharp.

Never run the engine
indoors orin a poorly
ventilated area: Engine
exhaust contains
carbon monoxide, an
)dorless and deadly

NOTE: A noisewill be
heardwhenfindingthestart
ofthe compressioncycle.
This noiseis causedby
theflails and fingers,which
are part ofthe shredding
mechanism,and it should
beexpecteduntilthe impeler reachesfull speed.

Lubrication
1. Lubricatethe releaserodand springwith lightoil once
a season.See Figure5-1.
2. Lubricatethe pivot pointson the hopperassemblywith
lightoil oncea season.See Figure5-1.

points before
reassembly.

3. Lubricatethe pivot pointson the dischargechute with
lightoil oncea season.See Figure5-1.
4. Followtheaccompanyingengine manualfor lubrication scheduleand instruction
for engine lubrication.

Your Chipper
Shredder

Engine Care
1. Maintainoil levelas instructedin enginemanual.
2. Serviceair cleanerevery25 hoursundernormal
conditions.Cleaneveryfew hoursunderextremely
dustyconditions.Referto engine manual.

*Model462 Shown

3. Cleansparkplug and resetthegap once a season.
Checkenginemanualfor correctplugtype and gap
specifications.

Figure 5-1

4. Cleanengineregularlywith a cloth or brush. Keepthe
coolingsystem(blowerhousingarea) cleanto permit
properair circulation.Removeall grass,dirt and
combustibledebrisfrom mufflerarea.

;//

Always stop engine,
disconnect spark
plug, and ground
against engine
before cleaning,
lubricatingor
doing any kind of
maintenance on your
machine.

Removing

The Flail Screen

If the dischargearea becomesclogged,removetheflail
screenand cleanarea as follows:
1. Stopthe engineand makecertain the chippershredder has cometo a completestop.
2. Disconnectsparkplug wirefrom sparkplug and
groundagainsttheengine.
3. a. Removethe bagand two wingknobson eachside
of the chutedeflector.See Figure5-2.
b. Lift the chute deflectorup to keepitoutof theway.
c. Removethetwo hairpinclips fromeach clevispin
whichextendthroughthe housingand removepins.
d. Removetheflail screenfrom insidethe housing
and cleanthe screenby scrapingor washingwith
water.See Figure5-2.
4. Reinstallthe screen,makingcertainto reassemblethe
flail screenwith thecurve sidedown.

/*Model462 Shown
Figure 5-2

General

Recommendations

1. Alwaysobservesafetyruleswhen performing
anymaintenance.
2. Thewarrantyon this chippershredderdoes not
coveritemsthat havebeen subjectedto operator
abuseor negligence.Toreceivefull valuefrom warranty,operatormustmaintainthe chippershredder
as instructedhere.

5. Reattachthe chute deflectorwith the hardware
previouslyremovedand connectthe bag to unit.

3. Changingof engine-governedspeedwill void
enginewarranty.

Sharpening
Blades

4. All adjustmentsshouldbe checkedat leastonce
eachseason.

1. Disconnectthe spark plugwire and groundagainstthe
engine.

5. Periodicallycheckall fastenersand makesurethese
are tight.

2. Removetheflail screenas instructed
inthe previous
section.

disconnectspark plug, and ground
WARNING:Alwaysstopengine,
against engine before cleaning,
lubricating or doingany kind of
maintenanceon your machine.

Or Replacing

Chipper

3. Removethechipperchute by removingthree hexnuts
and washers.
4. Removethechipperchute supportbrace(Model
Series460) fromthe frame by removingthe hexbolts.
5. Rotateimpeller
assemblyby hand untilyoulocate one
of two chipperbladesinthe chipperchute opening.

6. Removethe blade by removingthe internalhex
screws,lockwashers,and hexnuts which secureit to
the impeller.Retainthe hardware.See Figure5-3.
NOTE: Usea 3/16"hex key (Allen)wrenchon the outside
of the blade and a 1/2" box(or socket)wrenchon the
insideof the impeller.HoldtheAllen wrenchstationary
and rotatethe box(or socket)wrenchto loosenthe nut.

Your Chipper
,redder

7. Installa replacementblade (PartNo. 781-0490)with
the hardwareremovedearlieror sharpen.

IMPORTANT:Whensharpeningthe blade,protecthands
by usinggloves.Followthe originalangle of grind and
make sureto removean equalamountfrom eachblade.

Figure 5-3

8. To replacethe otherblade,rotatethe impellerto
exposethe secondblade and repeatthe stepsabove.
NOTE: Makecertainbladesare reassembledwith the
sharpedge facing upward.Torquehardwareto 250- 300
in. Ibs.

Sharpening
Or Replacing
der Blade

WARi ,,ING

The Shred-

The impeller S

chipper blades and
shredder blade are
sharp: Wear leather
work gloves to
protect your hands;

are
sharp. Wearleatherwork
gloves to
ARNING:The
impeller'schipperblades
protectyour hands.

1. Stop theengineand makecertainthat all moving
parts havecome to a completestop.

Figure 5-4

2. Disconnectthe sparkplug wireand groundagainstthe NOTE:Use a 3/16" hexkey (Allen)wrenchon the
outsideof the shredderbladeand a 1/2" box(or socket)
engine.
wrenchon the insideof the shredderblade.Holdthe
3. Lowerthe hopperassemblyand block up the housing.
Allenwrench stationaryand rotatethe box (or socket)
4. Removethe six hex locknuts and flat washers
wrenchto loosenthenut. Usecautionwhen removing
from the weldstudson theflail housing.Retainthe
the bladeto avoidcontactingthe weldstudson housing.
hardware.
IMPORTANT:Whensharpeningthe blade,follow
5. Carefullyseparatethe hopperassemblyfromthe
the originalangleof grind as a guide.It is extremely
impellerassemblyand removethe support plate.
importantthat eachcuttingedge receivesan equal
amountof grindingto preventan unbalancedblade.
NOTE:When reassemblingthe supportplate,make
An unbalancedbladewill causeexcessivevibration
certain theembossedtab facesinwardtowardsthe
whenrotatingat high speedsand maycause damage
impeller.
to the unit. Theblade can be testedby balancingit on a
6. Removethe two wing knobsand cuppedwashersthat
screwdriveror nail. Removemetalfrom the heavyside
securethe chute deflectorand raisethe chute.
until it is balancedevenly.
7. Inserta 1/2"or 3/4" diameterpipethroughthe flail
screen intothe impellerto keepit fromturningor
Storing Your Chipper Shredder
removethe flail screenand inserta pieceof wood into Thefollowingstepsshouldbe takento prepareyour
the chuteopening.
chippershredderfor storage.
8. a. Removethe two internalhex screws,lock washers, 1. Cleantheequipmentthoroughly.
and hexlock nuts which securethe shredderblade
to the impeller.
b. Removethe hexbolt, lock washer,and flat washer
to completelyfree shredderblade.See Figure5-4.

2. Wipeequipmentwith an oiled ragto preventrust.
3. Referto engine manualforcorrectengine storage
instructions.
4. Storeunitin a clean,dry area. Donot store nextto
corrosivematerialssuchas fertilizer.

IMPORTANT

Makecertainchipper
blades are reassem:
bled with the sharp
edge facing upwar&
Torquehardwareto
250,300 in. Ibs.
iMPORTANT
When reasSemblingthe
shredder blade,tighten
center bolt tObetween
550 and 700 ini,lb&

andthe twoOutboltsto
between 250 and 350
in.4b&

Problem

Cause

Enaine
f.,
ailsto Start I

Remedy

Throttle levernotin correctStarting

i thrott,
Move

post on (f equ pped)

e everto FASTor

STARTpost on

2, Sparkp!ugwire disconnected,

Connectwire tospark p!ug,

choke
notincHoKE
position
(if

cHOKE

equipped):

poSiti0nl

Fueltank emptyor Sta!efuel.
&Engine not pdmed(if equipped)Prime

tank with clean,freShgasolinel
engineas .instructedin

6 Faut
ark _
ysp
P g:

6 ceanadjuStgap 0rrepace

Blocked
fuel
81Engine flooded,

Engineruns erratic

For repairs beyond
the minor adjustments
listed here, contact
an authorized service

Engine overheats
•

Occasional skips
(hesitates) at
high speed

Unit does not

CleanfueI
&Wait a few minutesto Festart,but
do not prme:

Sparkplug wireloose.

1. Connectand tightenspark
plug wire.

2. Unit runningon CHOKE(if equipped).

2. Movechokeleverto OFF position.

3. Blockedfuelline or stale fuel.

3. Cleanfuel line;fill tank with clean,
fresh gasoline.

4. Ventin gas cap plugged.

4. Clearvent.

5. Wateror dirt in fuel system.

5. Drainfuel tank. Refillwith
fresh fuel.

6. Dirty air cleaner.

6. Referto enginemanual.

7. Carburetorout of adjustment.

7. See authorizedservicedealer.

1. Engineoil levellow.

1. Fillcrankcasewith properoil.

2. Dirty air cleaner.
3. Carburetornotadjustedproperly.

2. Referto enginemanual,
3. Seeauthorizedservicedealer.

1. Sparkplug gap tooclose.

1. Adjustgap to .030".

2. Carburetoridle mixtureadjustment
improperlyset.

2. See authorizedservicedealer.

1. Chutedeflectorclogged.

1. Stop engineimmediatelyand
disconnectsparkplug wire.Clean
flail screenand insideof discharge
opening.

2. Foreignobject lodgedin impeller.

2. Stop engineand disconnectspark
plug wire. Removelodgedobject.

3. Lowengine RPM.

3. Alwaysrun engineat full throttle.

discharge

Rate of discharge
slows considerably
or composition of

discharged material
changes

I
,

1 Lowengine RPM.
2. Chipperbladedul.

1. Alwaysrun engineat fullthrottle.
I

2. Replacechipperbladeor seeyour
authorzed servce dea er.

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

Model

Series 452 Thru 465

•¢/i

Ref.
No,

PartNo.

Description

736-0217

Lock Washer,3/8

714-0149B

CotterPin

681-0048

WingKnob5/16-18

681-0094

ChuteDeflectorAssembly

711-0835

ClevisPin

781-0457

ShredderScreen

726-0211

U-Nut5/16-18

750-0793

Spacer

712-3027

Hex Lock Nut 1/4-20

10. 712-3004A

Hex Lock Nut5/16-18

11. 736-0119

Lock Washer5/16

12. 681-0117

InnerImpellerHousingAssembly

13. 710-3025

Hex CapScrew5/16-18x.625

14. 710-0157

Hex CapScrew5/16-24x.75

15. 781-0490

ChipperBlade

16. 710-1054

Hex CapScrew5/16-24x 1.0

17. 681-0030

impellerAssembly

18. 712-0411

Hex Lock Nut5/16-24

££NUIN£
_FACTORY

PARTS

TO order replacement

parts, contact

1.8oo:8oo.7alo
or
www:mtaprOauc

19. 781-0735

RetainerPinClip

20.

719-0329

Flail Blade

21.

711-0833B

ClevisPin

22.

715-0166

23.

736-0247

Flat Washer3/8 x 1.25

24.

742-0571

ShredderBlade

25.

710-1254

Hex CapScrew3/8-24 x 2.25

26.

681-0004A

Outerlmpeller HousingAssembly

27.

710-0825

Hex CapScrew 1/4-20x 3.75

28.

781-0515

FrontSupportBracket

29.

781-0574

ShredderPlate

30.

681-0104

RearHopperBracketAssembly

31.

732-0306

CompressionSpring 1.75

32.

736-0117

FlatWasher

right to change product

33.

714-0104

CotterPin

34.

736-0264

FlatWasher.330ID x.630OD

specifications;designs
and equipmentwithout

35.

710-0376

Hex CapScrew5/16-18x 1.0

36.

748-0453

Spacer,.375ID x2.50 LG

37.

736-0362

Flat Washer.320ID x 1.25OD

38.

712-0429

Hex Lock Nut5/16-18

39.

731-1710A

HopperCollar

40.

681-0123

Front HopperBracketAssembly

41.

711-1128

Lock Rod

42.

731-1707

HopperAssembly

43.

710-3008

Hex CapScrew5/16-18x.75

NOTE: This Operators
ManUalcovers a range
of product specifiCa;
tions for Various
models:CharaCteristics
and featuresd iscussed
and/or illustrated in this
manual may not be ap*
plicable to all model&
MTD LLC reservesthe

notice and without
incurring obligation

i__ _ii_: !_ iiiiiiiii_!_
_ii _iii_ __i_i
i_

_ii_

i _

iVlodel Series 452 Thru 465

(16

1 ft ModelSeries454 & 464
:l:{ ModelSeries452 & 462
* If Equipped

Ref.
No.

Part No.

Description

728-0175

Pop Rivet

731-1899

ChipperShredderChute

681-0095{H

ChipperShredderChute

735-0249

Chute Flap

781-0633

Chute FlapStrip

681-0068A

710-0751

Hex CapScrew 1/4 -20x.620

712-3027

Hex Lock Nut 1/4-20

710-0106

Hex CapScrew 1/4-20x 1.25

736-0173

FlatWasher.28ID x.74OD

. ChipperChuteAssembly

10. 736-0242

Bell Washer.340ID x.872OD

11. 712-3010

Hex Nut5/16-18

12. 749-1004

SupportBrace

13. 712-3004A

Hex Lock Nut5/16-18

14. 710-0805_{

Hex CapScrew5/16-18x 1.50

710-3180tt

Hex CapScrew5/16-18x 1.75

15. 736-0170

Bell Washer5/16x 1.0

16. 736-0366tH

FlatWasher

17. 738-0814_:{

AxieAssembly

738-0813tH

Axle Assembly

18. 750-0786_{

Spacer

19. 734-1600_:{

WheelComp.,10.0x 2.5 Plastic

20.

734-1845t{{

WheelComplete,10.0x 4.0 Gray

726-0214

PushCap

=iTS

To order replacement
parts, contact
1-800-800-7310 or visit
www.mtdproducts.com

NOTE: This Operators
Manual covers a range
of product specifications for various
models. Characteristics
and features discussed
and/or illustrated in this

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*

BaseHitch Mount

29.

710-3001"

Hex CapScrew,3/8-16x.88

30.

711-0299"

ClevisPin,.625x2.4

31.

711-0835"

ClevisPin,.50x 4.62

32.

712-3017"

Hex Nut,3/8-16

• 33.

732-0194"

Spring Pin

34.

736-0133"

Flat Washer,.411
x 1.25x 1.0

35.

736-0169"

Lock Washer,3/8

723-0400

SafetyGlasses(Not Shown)

664-04022

ChipperBagAss'y(Not Shown)

664-04023tt_

ChipperBagAss'y(Not Shown)

manual may not be applicable to all models.
MTD LLC reserves the
right to change product
specifications, designs
and equipmentwithout
notice and without
t ModelSeries464
tt Model464G Only
_1ModelSeries462
{ Models452
HModels454
AModels462 & 464D
* If Equipped
Models465

incurring obligation.

MANUFACTURER'S

LiMiTED WARRANTY

The limitedwarrantyset forth belowisgivenby MTDLLCwith respect
to newmerchandisepurchasedand usedin the UnitedStates,its
possessionsand territories.
"MTD"warrantsthis productagainstdefectsin materialand workmanshipfor a periodof two (2) years commencingon the date of original
purchaseand will, at its option,repairor replace,freeof charge,any
part foundto be defectiveinmaterialsor workmanship.This limitedwarranty shallonlyapply if this product hasbeen operatedand maintained
inaccordancewith the Operator'sManualfurnishedwith the product,
and has notbeen subjectto misuse,abuse,commercialuse, neglect,
accident,impropermaintenance,alteration,vandalism,theft, fire, water,
or damagebecauseof otherperil or naturaldisaster.Damageresulting
fromthe installationor useof any part, accessoryor attachmentnot
approvedby MTDfor use with the product(s)coveredbythis manual
willvoid yourwarrantyas to any resultingdamage.
Normalwearparts are warrantedto be free fromdefects in materialand
workmanshipfor a periodof thirty (30) days fromthe dateof purchase.
Normalwearparts include,butare notlimitedto itemssuch as: batteries,belts,blades,blade adapters,grass bags, riderdeck wheels,seats,
snowthrowerskid shoes,shaveplates,auger spiralrubberand tires.
HOW TO OBTAIN SERVICE: Warranty service is available, WITH
PROOF OF PURCHASE, through your local authorized service
dealer. To locate the dealer in your area, check your Yellow Pages,
or contact MTD LLC at RO. Box 361131,Cleveland, Ohio 441360019, or call 1-800-800-7310 or 1-330-220-4683 or log on to our
Web site at www.mtdproducts.com.
This limitedwarrantydoesnot providecoverageinthe followingcases:
a. Theengineor componentparts thereof.These itemsmaycarry a
separatemanufacturer'swarranty.Referto applicablemanufacturer's
warrantyfor termsand conditions.
b. Log splitterpumps,valves,and cylindershavea separateone year
warranty.
c. Routinemaintenanceitemssuch as lubricants,filters, blade
sharpening,tune-ups,brakeadjustments,clutchadjustments,deck
adjustments,and normaldeteriorationof the exteriorfinish due to
useor exposure.

FOR

e. MTDdoesnot extendanywarrantyfor productssoldor exported
outsideof the UnitedStates,its possessionsand territories,except
those soldthroughMTD'sauthorizedchannelsof export distribution.
f. Replacementparts that are notgenuine MTDparts.
g. Transportationchargesand servicecalls.
No impliedwarranty,includingany impliedwarranty of merchantabilityof fitness for a particular purpose,applies after the
applicable periodof express written warranty above as to the
parts as identified.No otherexpresswarranty, whetherwrittenor
oral, except as mentioned above, givenby any personor entity,
includinga dealeror retailer, with respect to any product,shall
bind MTD.Duringthe periodof the warranty,the exclusiveremedy
is repairor replacementof the productas set forth above.
The provisionsas set forth in this warrantyprovidethe sole and
exclusiveremedy arising from the sale. MTDshallnot be liable
for incidentalor consequentialloss or damage including,without
limitation, expensesincurredfor substituteor replacementlawn
careservicesor for rentalexpensesto temporarily replacea
warranted product.
Somestatesdo notallowthe exclusionor limitationof incidentalor
consequentialdamages,or limitationson howlong an impliedwarranty
lasts, sothe aboveexclusionsor limitationsmaynot applyto you.
In no event shallrecoveryof any kindbe greaterthanthe amountof the
purchasepriceof the productsold.Alterationof safety features of
the productshallvoid this warranty. Youassumethe risk and liability
for loss,damage,or injuryto you and yourpropertyand/orto others and
theirpropertyarisingout of the misuseor inabilityto usethe product.
This limitedwarrantyshallnot extendto anyoneotherthan theoriginal
purchaseror to the personfor whomitwas purchasedas a gift.
HOWSTATELAWRELATESTOTHIS WARRANTY: This limited
warrantygivesyou specificlegal rights,and youmay alsohaveother
rightswhich vary from stateto state.
IMPORTANT:OwnermustpresentOriginal Proofof Purchaseto obtain
warrantycoverage.

d. Servicecompletedby someoneotherthanan authorizedservice
dealer.

IViTD LLC, P.O. BOX 361131 CLEVELAND, OHiO 44136-0019;

Phone: 1=800=800-7310, 1-330=220-4683

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MTD 24A 465E729 User Manual CHIPPER/SHREDDER Manuals And Guides 1109237L

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