MTD 24A 462G729 User Manual CHIPPER/SHREDDER Manuals And Guides 1108458L

User Manual: MTD 24A-462G729 24A-462G729 MTD CHIPPER/SHREDDER - Manuals and Guides View the owners manual for your MTD CHIPPER/SHREDDER #24A462G729. Home:Lawn & Garden Parts:MTD Parts:MTD CHIPPER/SHREDDER Manual

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

Chipper Shredder-

Model Series 462 thru 464
iMPORTANT

READ SAFETY

RULES AND iNSTRUCTiONS

CAREFULLY

BEFORE

OPERATION

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

PRINTEDIN U.S.A.

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

FORMNO.770-10048H
5/12/2005

This Operator's

Manual

is an important

pare and maintain

part of your new chipper

the unit for best performance.

Please

shredder,

it will help you assemble,

read and understand

pre-

what it says.

Table of Contents
Customer Support ..............................................
Safety Labels ......................................................
Safe Operation
Practices ...................................
Setting UpYour Chipper Shredder ....................
Operating
Your Chipper Shredder .....................

2
3
4
6
8

Maintaining Your Chipper Shredder ................
Troubleshooting ................................................
Parts List ...........................................................
Warranty ............................................

10
12
14

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.

*x,

Model Number

Serial Number

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

www.mtdproducts,com

Customer Support
Please

do NOTretum

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 the Service & Support 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.
MTD Hin_r_oti®d

A_wJ_d Wi_n i_g ?rod_t_

C on_@_z_
Us

O'_r Comp_y
Ser,oqce & Suppo ±
Product. Registration

?rba_y Policy

TO AVOID SERIOUS iNJURY:

TO AVOID SERIOUS iNJURY:
•

•

Do not operate on uneven ground where unit is
unstable,

other hard surfaces

since objects

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,

•

can ricochet

and cause injury,
•

Read
using

Do not operate on pavement, gravel or

and long hair

Chute

if contacted.

_ii_ ii

out of

and Discharge

is running,

openings

iil _I ii_ _ i _iii _! i _

and securely

will

Rotating
cause

Material

cutting

serious

being

processed

protection.

may bounce
from

back

may be pulled
•

from

the discharge

Do not place

sucked
branches

the large

Shredder

diameter

should

inlet

chute.

openings

or be thrown

Long hair or loose

into the inlet

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

WARNING

can occur.

• 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.

ROTATING CUTTING BLADES.
KEEP HANDS AND FEET OUT
OF OPENINGS WHILE MACHINE
iS RUNNING.

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.

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

Training

Preparation

1. Read,understand,andfollowall instructionson the
machineandin the manual(s)beforeattemptingto
assembleand operate.Keepthis manualina safe placefor
futureandregularreferenceandfor orderingreplacement
2.
3.

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 comply with these
instructionsmay result
i in personalinjury.When
you see this symbol.

4.
5.

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.
parts.
2. Alwayswearsafetyglasses or safetygogglesduringoperaBe familiarwithall controlsandtheir properoperation.
tion or whileperformingan adjustmentor repair,to protect
Knowhowto stopthe machineanddisengagethem quickly.
eyes. Thrownobjectswhich ricochetcan cause serious
Neverallowchildrenunder16 yearsoldto operatethis
injury to the eyes.
machine.Children16 yearsold andovershouldread and
understandthe operationinstructionsand safetyrulesin
3. Wearsturdy, rough-soledworkshoesand close-fitting
this manualand shouldbe trainedand supervisedbya
slacksandshirts. Loosefitting clothesor jewelrycan be
parent.
caught in movableparts. Neveroperatethis machine
Neverallowadultsto operatethis machinewithoutproper
in barefeet or sandals.Wear leatherwork gloves when
instruction.
feedingmaterialin the chipperchute.
Keepbystanders,helpers,pets,andchildrenat least 75
4. Beforestarting,check all bolts and screwsfor propertightfeetfromthe machinewhileit is in operation.Stop machine
nessto be surethe machineis in safe workingcondition.
if anyoneentersthe area.
Also,visuallyinspectmachinefor any damageat frequent
Neverrun an engine indoorsor in a poorlyventilatedarea.
intervals.
Engineexhaustcontainscarbonmonoxide,an odorless
anddeadlygas.
5. Maintainor replacesafetyandinstructionslabels,as
necessary.
Donot put handsandfeet near rotatingparts or inthe
feedingchambersand dischargeopening.Contactwiththe 6. Toavoid personalinjury or propertydamage use extreme
rotatingimpellercan amputatefingers,hands,andfeet.
care inhandlinggasoline.Gasolineis extremelyflammable
Neverattemptto unclogeitherthe feed intakeor discharge
andthe vaporsare explosive.Serious personalinjury can
opening,removeor emptybag, or inspectandrepairthe
occurwhen gasolineis spilledon yourself or your clothes
machinewhilethe engineis running.Shutthe engine off
whichcan ignite.Washyour skinand changeclothes
andwaituntil all movingparts havecometo a complete
immediately.
stop.Disconnectthe sparkplug wire andgroundit against
a. Useonly an approvedgasolinecontainer.
the engine.
b. Extinguishall cigarettes,cigars, pipes,andother
sourcesof ignition.
c. Neverfuel machineindoors.
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

Your Responsibility
Restrictthe use
of this power machine
to personswho read,
_ 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.

ane follow the warnings
and instructions
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.

14.f it becomesnecessaryto pushmaterialthroughthe
shredderhopper, usea smalldiameterstick. Do not use
your hands or feet.
15.f the impellerstrikesa 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.

Operation

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.

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

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 isshippedwithoutgasolineor 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
Assembly
1. a. Removesix hexnuts and washersfrom the weld
studson the impellerhousing.Donot removethe
supportplate. See Figure1.
b. Placehopperassemblyinto positionin front of
impellerhousing,aligningholesin hopperassembly
collarwith weldstuds.
Figure 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 Figure2.
c. Tightenthe six hexnuts that securehopper
assemblyto impellerhousingand alsotightenthe
hexnuts that secure hopperbracketto hopper
assembly.

iMPORTANT
Thisunitis shipped

Attaching The Chute Deflector
3. a. Removethe wing knobsfrom eachsideof the lower
impellerhousing.
b. Removethe hexlock nut, spacers,and hexbolt
fromthe top of the impellerhousing.See Figure3.
4. a. Align thechute deflectorin positionon the
dischargeopeningand insert hexbolt with spacer
throughhinge on chute deflector(spacersfit inside
of hinges).See Figure4.

without gasoline or
oil in the engine. Be
certain to service
enginewith gasoline
and oil as instructed
in the separate engine
manual before operatingyour machine.

Figure 2

NOTE: All references in
this manual to the left
or right side of the chipper shredder is from
the operating position
only. Exceptions. ifany,
will be specified.

j
/j

{
/'

Figure 3

Figure 4

b. Placesecondspaceroverhex bolt insideother
hingeand securewith hex lock nut.
c. Securebothsides of chutedeflectorto impeller
housingusingwingknobspreviouslyremoved.

Attaching The Chipper

Chute

5. a. Removethe threecuppedwashersand hexnuts
from weldstudsaroundthe openingon the side of
the impellerhousing.See Figure5.
b. Removethe hexbolts,flat washers,and lock nuts
from the two holeson the upperend of the support
brace.

Your Chipper
Sh redder

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 Figure6.
7. The chippershredderwas shippedwith one end of
the support bracealreadysecuredto the lowerframe.
Loosenbutdo not removethe bolts securingthe brace
to the frame.See Figure7.

.//

Figure 5

/
/
/

a. Align the holesin thechute with the holesin the top
of the braceand attachbraceto chipperchutewith
hardwarepreviouslyremoved.Tightensecurely.
b. Tightenthe bolts securingthe support braceto the
frame.

i
i

/
/

/
i

c. Tightenthe threenuts on the weldstuds holding
the chipperchute to the impellerhousing.

/
/

ii i _iI_ ii

Attaching The Bag
8. Toattachthe bag:
a. Placethe openingof the bag completelyover the
chute deflector.
b. Pullon the drawstringuntilthe bag is tight around
chute deflectoropening.
c. Clipdrawstringback on itself,tight againstchute
deflectorto secureintoposition.See Figure8.

J
Figure 6
/
/

i
i

Figure 8

Figure 7

Know Your Chipper Shredder

Hopper Assembly
ReleaseRod
Oil Fill1-

Chipper

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.

I Use extreme care
when handling

gasoline.Gasolineis
i extremelyflammable
and the vaporsare
explosive. Never fuel
i the machine indoors
or while the engine
is hot or running.

; Extinguishcigarettes,
cigars, pipes and
other sources of

i ignition.

Tow Bart'_

Oil Fill
1-If Equipped

Figure 9
Now that you have set up your chipper shredder
for operation, get aquainted with its controls and
features. These are described below and illustrated

Gas and Oil Fill-Up
1. Check oil level and add oil if necessary. Follow engine
manual for this. See Figure 9 above for location of the
oil fill.

on this page. This knowledge will allow you to use
your new equipment to its fullest potential.

Chipper

2. Servicethe enginewith gasolineas instructedin the
enginemanual. See Figure9 abovefor locationof

Chute

gas fill.

Allows twigs and small branches up to 3" in diameter to be fed into the impeller for chipping. See
Figure 9.

WARNING: Useextreme carewhen handling gasoline.Gasolineis extremely
flammable and the vapors are explosive.
Never fuel the machine indoorsor while

Hopper Assembly
Allow leaves and small branches up to 1/2 diameter
to be fed into the impeller for chipping and shredding. Material can be raked into hopper assembly
by lowering the hopper assembly. See Figure 9.

Release

the engineis hot or running. Extinguish
cigarettes,cigars, pipesand other
sourcesof ignition.

Rod

The release rod is located on the impeller bracket
assembly and it is used to release or lock the hopper when raising or lowering. See Figure 9.

WARNING:The operation of any
chippershreddercanresultin foreign
objectsbeingthrown intothe eyes,
which candamage youreyes severely.Alwayswearthe safetyglasses
providedwith this unit or eye shields
before chippingor shreddingand while
performingany adjustments or repairs.

Tow Bar (if Equipped)
Use the tow bar to tow the chipper shredder behind
a tractor to a job site. See Figure 9.

NOTE:If your unit isnotequippedwith a tow bar,you
maycontact CustomerSupportas instructedon page2
for information
regardingpriceand availability.

Starting Engine

_hlk

indoorsor in a poorly ventilatedarea.
ARNING:Neverrun the engine
Engineexhaustcontainscarbonmonoxide,an odorlessand deadly gas.

1. Attachspark plugwire to spark plug.Makecertain
the metalcap on theend of the sparkplug is fastened
securelyoverthe metal tip on the spark plug.
Figure 10

2. Engines with choke lever:

Using The Chipper

Movechokeleveron engineto CHOKEposition.(A
warm enginemay not requirechoking).

Shredder

Yardwastesuchas leavesand pine needlescan be
rakedup throughthe hopperassemblyfor shredding.
Engines with primer:
After materialhas been shreddedbythe flail bladeson
Primeengineas instructedin separateengine manual.
the impellerassembly,it will be dischargedoutof open3. The throttlecontrolleveris locatedon the engine.
ing or intocatcherbag.Do notattemptto shredor chip
Moveenginethrottlecontrol leverto FASTor START anymaterialotherthanvegetationfound in a normal
position.See Figure10.
yard(i.e. branches,leaves,twigs,etc.) Avoidfibrous
plantssuch as tomatovines untilthey are thoroughly
4. Graspstarterhandleand pull ropeout slowlyuntil
driedout. Twigsand small branchesup to 3" in diameter
engine reachesstart of compressioncycle(rope will
can be fed intothe chipperchute.
pull slightlyharderat this point).

Lowering
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.

Assembly

1. With one handgraspthe handleat the top of the
hopperassemblyand lift slightly.
2. With theother handpull out on the releaserod
and lowerthe hopperassemblyto the ground.See
Figure9.

To Empty

5. Pull ropewith a rapid,continuous,fullarm stroke.
Keepa firm grip on starterhandle.Let roperewind
slowly.

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

Bag

1. Un-clipdrawstringand loosenbag from chute
deflectoropening.
2. Emptybag and reattachto the dischargechute
opening.Pull on the drawstringuntilthe bag is tight
aroundthe chuteopeningand clip thedrawstring
tight againstthechute deflector.

6. Repeatthe previousstepsuntilenginefires.When
engine starts,movechokecontrol(if equipped)
graduallyto RUNposition.

Stopping

The Hopper

WARNING

Engine

1. Movethrottlecontrol leverto STOPor OFFposition.

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.

2. Disconnectsparkplug wirefrom spark plug and
groundagainstthe engine.
NOTE:See yourengine manualpackedwith yourunitfor
moredetailedinstructions.

NOTE: A noisewill be
heardwhenfindingthe start
ofthe compressioncycle.
This noiseis causedby
theflails and fingers,which
are part ofthe shredding
mechanismand it should
oeexpecteduntilthe impeler reachesfull speed.

Lubrication
1. Lubricatethe releaserodand springwith lightoil once
a season.See Figure11.

points before
reassembly.

2. Lubricatethe pivot pointson the hopperassemblywith
lightoil oncea season.See Figure11.
3. Lubricatethe pivot pointson the dischargechute with
lightoil oncea season.See Figure11.
4. Followtheaccompanyingengine manualfor lubrication scheduleand instructionfor engine lubrication.

Engine

Care

1. Maintainoil levelas instructedin enginemanual.
2. Serviceair cleanerevery25 hoursundernormal
conditions.Cleaneveryfew hoursunderextremely
dustyconditions.Referto engine manual.
3. Cleansparkplug and resetthegap once a season.
Checkenginemanualfor correctplugtype and gap
specifications.

Figure 11
i

/
/

WARNING

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

Always stop engine,
isconnect

Removing

The Flail Screen

If the dischargearea becomesclogged,removetheflail
screenand cleanarea as follows:
1. Stopthe engineand makecertain the chippershredder has cometo a completestop.

spark plug,

groundagainst
pnginebefore cleaning,
lubricating or doing any
Kind of maintenance on

2. Disconnectsparkplug wirefrom sparkplug and
groundagainsttheengine.

yourmachine.

3. a. Removethe bagand two wingknobson eachside
of the chutedeflector.See Figure12.
b. Lift the chute deflectorup to keepit outof theway.
c. Removethetwo hairpinclips fromeach clevispin
whichextendthroughthe housingand removepins.
d. Removetheflail screenfrom insidethe housing
and cleanthe screenby scrapingor washingwith
water.See Figure12.
4. Reinstallthe screen,makingcertainto reassemblethe
flail screenwith thecurve sidedown.

Figure 12

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.

Sharpening
Blades

3. Changingof engine-governedspeedwill void
enginewarranty.

2. Removetheflail screenas instructed
inthe previous
section.

5. Periodicallycheckall fastenersand makesurethese
are tight.
disconnect spark plug, and ground
ARNING:Alwaysstopengine,
against
engine before cleaning,
lubricating or doing any kind of
maintenanceon your machine.

Chipper

1. Disconnectthe spark plugwire and groundagainstthe
engine.

4. All adjustmentsshouldbe checkedat leastonce
eachseason.

Or Replacing

3. Removethechipperchute by removingthree hexnuts
and washers.
4. Removethechipperchute supportbracefromthe
frameby removingthe hex bolts.
5. Rotatethe impellerassemblyby handuntil youlocate
one of the two chipperbladesin the chipperchute
opening.

6. Removethe blade by removingthe internalhex
screws,lockwashers,and hexnuts which secureitto
the impeller.Retainthe hardware.See Figure13.
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.
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 13

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

WARi ,,ING
Sharpening
Or Replacing
Shredder
Blade

_
__

The

The impeller S

chipper blades and
shredder blade are

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

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

Figure 14

work gloves to
protect your hands:

NOTE:Use a 3/16" hexkey (Allen)wrenchon the
outsideof the shredderbladeand a 1/2" box(or socket)
wrenchon the insideof the shredderblade.Holdthe

2. Disconnectthe sparkplug wireand groundagainstthe Allenwrench stationaryand rotatethe box (or socket)
wrenchto loosenthenut. Usecautionwhen removing
engine.
3. Lowerthe hopperassemblyand block up the housing. the bladeto avoidcontactingthe weldstudson housing.
4. Removethe six hex lock nuts and flat washers
from the weldstudson theflail housing.Retainthe
hardware.
5. Carefullyseparatethe hopperassemblyfromthe
impellerassemblyand removethe support plate.
NOTE:When reassemblingthe supportplate,make
certain theembossedtab facesinwardtowardsthe
impeller.
6. Removethe two wing knobsand cuppedwashersthat
securethe chute deflectorand raisethe chute.
7. Inserta 1/2"or 3/4" diameterpipethroughthe flail
screen intothe impellerto keepit fromturningor
removethe flail screenand inserta pieceof wood into
the chuteopening.

IMPORTANT:Whensharpeningthe blade,follow
the originalangleof grind as a guide.It is extremely
importantthat eachcuttingedge receivesan equal
amountof grindingto preventan unbalancedblade.
An unbalancedbladewill causeexcessivevibration
whenrotatingat high speedsand maycause damage
to the unit. Theblade can be testedby balancingit on a
screwdriveror nail. Removemetalfrom the heavyside
until it is balancedevenly.

Storing

Your Chipper

Shredder

Thefollowingstepsshouldbe takento prepareyour
chippershredderfor storage.
1. Cleantheequipmentthoroughly.

2. Wipeequipmentwith an oiled ragto preventrust.
8. a. Removethe two internalhex screws,lock washers,
and hexlock nuts which securethe shredderblade 3. Referto engine manualforcorrectengine storage
instructions.
to the impeller.
b. Removethe hexbolt, lock washer,and flat washer 4. Storeunit in a clean,dry area. Donot store nextto
corrosivematerialssuchas fertilizer.
to completelyfree shredderblade.See Figure14.

IMPORTANT
Makecertain chipper
blades are reassembled with the sharp
edge facing upward.
Torque hardwareto
250- 300 in. Ibs.
iMPORTANT
When reassemblingthe
shredder blade, tighten
center bolt to between
550 and 700 in.-Ibs.
and the two out bolts to
between 250 and 350
in.-Ibs.

Problem
En_in
= e f_il
_ stosta, rf

Cause
I

Remedy

1 Throtte ever not n correctstart ng

1 Movethrotte everto FASTor

position(ifequipped).

STARTposition,

2. Sparkplugwire disconnected,
3. Chokenot in CHOKEposition(if

2. Connectwire to spark plug.
3. Move chokeleverto CHOKE

equipped),
4. Fueltank emptyor stale fuel.
5. Enginenot primed(if equipped).

4. Filltank with clean,fresh gasoline.
5. Primeengineas nstructedin

6. Fauty sparkpug.

EngineManual.
6. C can adjust gap or repace.

7, Blockedfuel line.

Engineruns erratic

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

I
•

Occasional skips
(hesitates) at
high speed

7. Cleanfuel line.

8. Engineflooded.

8. Wait a few m nutesto restart,but
do not prime.

1, 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.
2 Drtyarceaner
3. Carburetornotadjustedproperly.

I
"

1. Fillcrankcasewith properoil.
2 Refertoengnemanua
3. Seeauthorizedservicedealer.

1. Sparkplug gap tooclose.

1. Adjustgap to .030".

2. Carburetoridle mixtureadjustment

2. See authorizedservicedealer.

improperlyset.

Excessive

Vibration

Unit does not
discharge

Engine overheats

position.

1. Looseparts or damagedimpeler

1 See authorzed serv ce deeer

I
1. Chutedeflectorclogged.

1. Stop engineimmediately
and
disconnectsparkplug wire.Clean
flail screenand insideof discharge
opening.

Rate of discharge
slows considerably
or composition of

changes

2. Foreignobject lodgedin impeller.

2. Stop engineand disconnectspark
plug wire. Removelodgedobject.

3. Lowengine RPM.

3. Alwaysrun engineat full throttle.

1 Lowengine RPM.

1. Alwaysrun engineat fullthrottle.

2. Chipperbladedul.

2. Replacechipperbladeor seeyour
authorzed servce dee er.

_ii ii i_ __ _

i iiiiii

ii ii_i

usethispage
tomake
notes and write down
important information,

odel Series 462 Thru 464

' .._ .,q8;

736-0217

Lock Washer,3/8

714-0149B

CotterPin

681-0048

Wing Knob5/16-18

681-0094

Chute DeflectorAssembly

711-0835

ClevisPin

781-0457

ShredderScreen

726-0211

U-Nut5/16-18

8. _ 750-0793
9.

712-3027

_ Spacer
Hex Lock Nut 1/4-20

10. 712-3004A

Hex Lock Nut5/16-18

11. 736-0119

Lock Washer5/16

12. 681-0117

Inner ImpellerHousingAssembly

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

19. 781-0735

RetainerPin Clip

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

OuterImpellerHousingAssembly

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

Flat Washer

33. 714-0104

CotterPin

34. 736-0264

Fiat Washer.330ID x.630OD

35. 710-0376

Hex CapScrew5/16-18x 1.0

36. 748-0453

Spacer,.375ID x 2.50 LG

37. 736-0362

Fiat Washer.320IDx 1.25OD

38. 712-0429

Hex Lock Nut5/16-18

39. 731-1710

HopperCollar

40. 681-0123

Front HopperBracketAssembly

41. 711-1128

Lock Rod

42. 731-1707

HopperAssembly

43. 710-3008

Hex CapScrew5/16-18x.75

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

odel Series 462 Thru 464

1 ModelSeries464
11 Model464G Only
ModelSeries462
^ Models462 & 464D
* If Equipped

728-0175

Pop Rivet

731-1899

ChipperShredderChute

735-0249

Chute Flap

781-0633

Chute FlapStrip

681-0068A

ChipperChuteAssembly

710-0751

Hex CapScrew 1/4-20 x.620

712-3027

Hex Lock Nut 1/4-20

8. _ 710-0106
9. 736-0173

Hex CapScrew 1/4-20x 1.25
Fiat Washer.28ID x.74OD

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. 736-0366t

Flat Washer

17. 738-0814_1

AxleAssembly

738-0813t

AxleAssembly

18. 750-0786_:

Spacer

19. 734-1600:_

WheelComp.,10.0x 2.5 Plastic

734-1845t

WheelComplete,10.0x 4.0 Gray

20. 726-0214

PushCap

21. 681-0184A

Frame

681-0183Att

Frame

22. 736-0451

Washer,.320ID x.93 OD

23. 710-0502A

Screw,3/8-16x 1.250

24. 737-0195
A

ElbowFitting

25. 737-0298tt

Oil DrainPipe

26. 737-0132tt

Oil DrainEndCap

27. 681-0133"

TongueHitchMount

28. 681-0134A*

Base HitchMount

29. 710-3001"

Hex CapScrew,3/8-16x.88

30. 711-0299"

ClevisPin,.625x 2.4

31. 711-0835"

ClevisPin,.50x 4.62

32. 712-3017"

Hex Nut,3/8-16

33. 732-0194"

Spring Pin

34. 736-0133"

Fiat Washer,.411x 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)

t ModelSeries464 AModels462 & 464D
tt Model464GOnly * If Equipped
_1ModelSeries462

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

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

notes and write down
important information:

MANUFACTURER'S

LiMiTED WARRANTY

FOR

The limitedwarrantyset forth belowisgivenby MTDLLCwith respectto
newmerchandisepurchasedand usedin the UnitedStates,its possessionsand territories.

e. MTDdoes notextendany warrantyfor productssoldor exported
outsideof the UnitedStates,its possessionsand territories,except
those soldthroughMTD'sauthorizedchannelsof exportdistribution.

"MTD"warrantsthis productagainstdefectsin materialand workmanship
for a periodof two (2) yearscommencingon the dateof originalpurchase
and will, at its option,repairor replace,free of charge,anypart foundto
be defectivein materialsor workmanship.This limitedwarrantyshallonly
applyif this producthas beenoperatedand maintainedin accordance
with the Operator'sManualfurnishedwith the product,and has not been
subjectto misuse,abuse,commercialuse, neglect,accident,improper
maintenance,alteration,vandalism,theft, fire,water,or damagebecause
of otherperil or naturaldisaster.Damageresultingfrom the installationor
useof any part, accessoryor attachmentnotapprovedby MTDfor use
with the product(s)coveredbythis manualwill voidyourwarrantyas to
any resultingdamage.
Normalwearparts are warrantedto be free fromdefects in materialand
workmanshipfor a periodof thirty (30) days fromthe dateof purchase.
Normalwearparts include,butare notlimitedto itemssuch as: batteries,
belts,blades,bladeadapters,grass bags, riderdeck wheels,seats, snow
throwerskid shoes,shaveplates,augerspiralrubberand tires.
HOW TO OBTAIN SERVICE: Warranty service is available, WITH
PROOF OF PURCHASE, through your local authorized service
dealer. To locate the dealer in your area, check your Yellow Pages, or
contact MTD LLC at RO. Box 361131,Cleveland, Ohio 44136-0019,or
call 1-800-800-7310 or 1-330-220-4683 or log on to our Web site at
www.mtdproducts.com.
This limitedwarrantydoesnot providecoveragein the followingcases:
a. Theengineor componentparts thereof.These itemsmaycarry a
separatemanufacturer'swarranty.Referto applicablemanufacturer's
warrantyfor termsand conditions.

f. Replacementpartsthat are not genuineMTDparts.

b. Log splitterpumps,valves,and cylindershavea separateone year
warranty.
c. Routinemaintenanceitemssuch as lubricants,filters, blade
sharpening,tune-ups,brakeadjustments,clutchadjustments,deck
adjustments,and normaldeteriorationof the exteriorfinish due to use
or exposure.

g. Transportationchargesand servicecalls.
No impliedwarranty,includingany impliedwarranty of merchantability of fitness for a particularpurpose,applies after the applicable
periodof express written warranty above as to the partsas identified. No other express warranty, whether written or oral, except as
mentionedabove, givenby any personor entity,includinga dealer
or retailer,with respect to any product,shallbind MTD. Duringthe
periodof the warranty, the exclusive remedyis repairor replacement
of the productas set forth above.
The provisionsas set forth in this warranty providethe sole and
exclusive remedy arising from the sale. MTDshall not be liable
for incidentalor consequential loss or damage including,without
limitation, expenses incurredfor substitute or replacementlawn care
services or for rentalexpenses to temporarily replacea warranted
product.
Somestatesdo not allowtheexclusionor limitationof incidentalor
consequentialdamages,or limitationson howlong an impliedwarranty
lasts, so the aboveexclusionsor limitationsmay notapplyto you.
In no eventshall recoveryof any kind be greaterthan theamountof the
purchasepriceof the productsold. Alterationof safetyfeatures of the
productshall void this warranty. Youassumethe risk and liability for
loss, damage,or injuryto youand your propertyand/orto others and their
propertyarisingout of the misuseor inabilityto use theproduct.
This limitedwarrantyshall notextendto anyoneotherthanthe original
purchaseror to the personfor whom itwas purchasedas a gift.
HOW STATELAWRELATESTO THISWARRANTY: This limitedwarrantygives youspecificlegal rights,and you mayalso haveother rights
which vary from stateto state.
IMPORTANT: OwnermustpresentOriginalProofof Purchaseto obtain
warrantycoverage.

d. Servicecompletedby someoneotherthanan authorizedservice
dealer.

MTD LLC, P.O. BOX 361131 CLEVELAND,

OHIO 44136-0019;

Phone: 1-800-800-7310,

1-330-220-4683

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MTD 24A 462G729 User Manual CHIPPER/SHREDDER Manuals And Guides 1108458L

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