Toro 6.5 hp Stump Grinder User manual

FormNo.3366-323RevA

6.5hpStumpGrinder

ModelNo.22601—SerialNo.310000001andUp

g014867

ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

DANGER

Theremaybeburiedpower,gas,and/ortelephone

linesintheworkarea.Shockorexplosionmay

occurifyoudigintothem.

Havethepropertyorworkareamarkedforburied

linesanddonotdiginmarkedareas.Contactyour

localmarkingserviceorutilitycompanytohavethe

propertymarked(forexample,intheUnitedStates,

call811forthenationwidemarkingservice).

ThissparkignitionsystemcomplieswithCanadian

ICES-002.

Becauseinsomeareastherearelocal,state,orfederal

regulationsrequiringthatasparkarresterbeusedonthe

engineofthismachine,asparkarresterisavailableas

anoption.Ifyourequireasparkarrestor,contactyour

AuthorizedToroServiceDealer.

GenuineTorosparkarrestersareapprovedbytheUSDA

ForestryService.

Important:ItisaviolationofCaliforniaPublic

ResourceCodeSection4442touseoroperate

theengineonanyforest-covered,brush-covered,

orgrass-coveredlandwithoutasparkarrester

mufermaintainedinworkingorder,ortheengine

constricted,equipped,andmaintainedforthe

preventionofre.Otherstatesorfederalareasmay

havesimilarlaws.

Theenclosed

Engine Owner’ s Man ual

issupplied

forinformationregardingtheUSEnvironmental

ProtectionAgency(EPA)andtheCalifornia

EmissionControlRegulationofemissionsystems,

maintenance,andwarranty.Replacementsmaybe

orderedthroughtheenginemanufacturer.

Introduction

Thismachineisdesignedtogrindandremovetree

stumpsandsurfaceroots.Itisnotintendedtocutrock

oranyothermaterialotherthanwoodandthesoil

aroundastump.

Readthisinformationcarefullytolearnhowtooperate

andmaintainyourproductproperlyandtoavoidinjury

andproductdamage.Youareresponsibleforoperating

theproductproperlyandsafely.

YoumaycontactTorodirectlyatwww.Toro.comfor

productandaccessoryinformation,helpndinga

dealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or

additionalinformation,contactanAuthorizedService

DealerorToroCustomerServiceandhavethemodel

andserialnumbersofyourproductready.

Figure1

illustratesthelocationofthemodelandserialnumbers

ontheproduct.Writethenumbersinthespace

provided.

g014868

1

Figure1

1.Modelandserialnumberplate

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas

safetymessagesidentiedbythesafetyalertsymbol

(

Figure2),whichsignalsahazardthatmaycauseserious

8111LyndaleAvenueSouth

Bloomington,MN55420

2

Contactusatwww.Toro.com.

PrintedintheUSA.

AllRightsReserved

injuryordeathifyoudonotfollowtherecommended

precautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2otherwordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

Contents

Introduction.................................................................2

Safety...........................................................................3

SafeOperatingPractices.......................................3

SafetyandInstructionalDecals.............................5

ProductOverview........................................................6

Controls...............................................................6

Specications.......................................................8

Attachments/Accessories.....................................8

Operation.....................................................................9

BeforeyouStart...................................................9

AddingFuel.........................................................9

CheckingtheEngineOilLevel............................10

StartingandStoppingtheEngine........................11

GrindingaStump...............................................11

Maintenance...............................................................13

RecommendedMaintenanceSchedule(s)................13

Lubrication.............................................................13

GreasingtheMachine.........................................13

EngineMaintenance...............................................14

ServicingtheAirCleaner....................................14

ServicingtheEngineOil.....................................15

ServicingtheSparkPlug.....................................16

BeltMaintenance....................................................17

CheckingtheDriveBeltTension.........................17

AdjustingtheDriveBelt.....................................17

GrinderMaintenance..............................................18

CheckingtheCuttingWheelBlades.....................18

ReplacingtheCuttingWheelBlades....................18

Cleaning.................................................................19

RemovingDebrisfromtheMachine....................19

Storage.......................................................................20

..........................................................................20

Troubleshooting.........................................................21

Safety

Improperuseormaintenancebytheoperator

orownercanresultininjury.Toreducethe

potentialforinjury,complywiththesesafety

instructionsandalwayspayattentiontothesafety

alertsymbol

,whichmeans:

Caution

,

W ar ning

,

or

Danger

—personalsafetyinstruction.Failureto

complywiththeinstructionmayresultinpersonal

injuryordeath.

SafeOperatingPractices

Thisproductiscapableofamputatinghandsandfeet.

Alwaysfollowallsafetyinstructionstoavoidserious

injuryordeath.

WARNING

Engineexhaustcontainscarbonmonoxide,an

odorless,deadlypoisonthatcankillyou.

Donotruntheengineindoorsorinanenclosed

area.

Training

•ReadtheOperator’sManualandothertraining

material.Iftheoperator(s)ormechanic(s)can

notreadEnglish,itistheowner’sresponsibilityto

explainthismaterialtothem.

•Becomefamiliarwiththesafeoperationofthe

equipment,operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.The

ownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperateor

servicetheequipment.Localregulationsmayrestrict

theageoftheoperator.

•Theowner/usercanpreventandisresponsiblefor

accidentsorinjuriesoccurringtohimselforherself,

otherpeopleorproperty.

Preparation

•Evaluatetheterraintodeterminewhataccessories

andattachmentsareneededtoproperlyand

safelyperformthejob.Onlyuseaccessoriesand

attachmentsapprovedbythemanufacturer.

•Wearappropriateclothingincludinghardhat,face

shield,safetyglasses,longpants,safetyshoes,and

hearingprotection.Longhair,looseclothingor

jewelrymaygettangledinmovingparts.

•Inspecttheareawheretheequipmentistobeused

andremoveallobjectssuchasrocks,toys,andwire

whichcanbethrownbythemachine.

3

•Useextracarewhenhandlinggasolineandother

fuels.Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainer

–Neverremovethegascaporaddfuelwiththe

enginerunning.Allowtheenginetocoolbefore

refueling.Donotsmoke.

–Neverrefuelordrainthemachineindoors.

•Checkthattheoperatorpresencecontrols,safety

switches,andshieldsareattachedandfunctioning

properly.Donotoperateunlesstheyarefunctioning

properly.

•Checkthatthecuttingwheelhasstoppedrotating

whenyoureducethethrottle.

Operation

•Neverrunanengineinanenclosedarea.

•Onlyoperateingoodlight,keepingawayfromholes

andhiddenhazards.

•Besurealldrivesareinneutralbeforestartingthe

engine.Onlystarttheenginefromtheoperator’s

position.

•Neveroperatewiththeguardsnotsecurelyinplace.

Besureallinterlocksareattached,adjustedproperly,

andfunctioningproperly.

•Donotchangetheenginegovernorsettingor

overspeedtheengine.

•Stoponlevelground,lowerthegrinder,andshut

offtheenginebeforeleavingtheoperator’sposition

foranyreason.

•Keephandsandfeetawayfromthemovinggrinder

wheelandteeth.

•Lookbehindanddownbeforebackinguptobesure

ofaclearpath.

•Keeppetsandbystandersaway.

•Donotoperatethemachineundertheinuenceof

alcoholordrugs.

•Usecarewhenloadingorunloadingthemachine

intoatrailerortruck.

•Ensurethattheareaisclearofotherpeoplebefore

operatingthemachine.Stopthemachineifanyone

entersthearea.

•Neverleavearunningmachineunattended.Always

stoptheengineandverifythecuttingwheelshas

stoppedrotating.

•Neverjerkthecontrols;useasteadymotion.

•Watchfortrafcwhenoperatingnearorcrossing

roadways.

•Donottouchpartswhichmaybehotfrom

operation.Allowthemtocoolbeforeattemptingto

maintain,adjust,orservice.

•Ensurethatyouoperatethemachineinareaswhere

therearenoobstaclesincloseproximitytothe

operator.Failuretomaintainadequatedistancefrom

trees,walls,andotherbarriersmayresultininjury

asthemachinebacksupduringoperationifthe

operatorisnotattentivetothesurroundings.Only

operatetheunitinareaswherethereissufcient

clearancefortheoperatortosafelymaneuverthe

product.

•Beforegrinding,havetheareamarkedfor

undergroundutilities,anddonotgrindinmarked

areas.

•Locatethepinchpointareasmarkedonthemachine

andkeephandsandfeetawayfromtheseareas.

•Lightningcancausesevereinjuryordeath.If

lightningisseenorthunderisheardinthearea,do

notoperatethemachine;seekshelter.

MaintenanceandStorage

•Stoptheengine.Waitforallmovementtostop

beforeadjusting,cleaning,orrepairing.

•Cleandebrisfromthegrinder,drives,mufers,and

enginetohelppreventres.Cleanupoilorfuel

spillage.

•Lettheenginecoolbeforestoringanddonotstore

nearame.

•Donotstorefuelnearamesordrainindoors.

•Parkthemachineonlevelground.Neverallow

untrainedpersonneltoservicethemachine.

•Carefullyreleasepressurefromcomponentswith

storedenergy.

•Removethesparkplugwirebeforemakingany

repairs.

•Keephandsandfeetawayfrommovingparts.If

possible,donotmakeadjustmentswiththeengine

running.

•Keepallpartsingoodworkingconditionandall

hardwaretightened.Replaceallwornordamaged

decals.

•Keepnutsandboltstight.Keepequipmentingood

condition.

•Nevertamperwithsafetydevices.

•Keepthemachinefreeofgrass,leaves,orother

debrisbuild-up.Cleanupoilorfuelspillage.Allow

themachinetocoolbeforestoring.

4

•Useextracarewhenhandlinggasolineandother

fuels.Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainer.

–Neverremovethegascaporaddfuelwhen

theengineisrunning.Allowtheenginetocool

beforerefueling.Donotsmoke.

–Neverrefuelthemachineindoors.

–Neverstorethemachineorfuelcontainerinside

wherethereisanopename,suchasneara

waterheaterorfurnace.

–Neverllacontainerwhileitisinsideavehicle,

trunk,pick-upbed,oranysurfaceotherthanthe

ground.

–Keepcontainernozzleincontactwiththetank

duringlling.

•Stopandinspecttheequipmentifyoustrikean

object.Makeanynecessaryrepairsbeforerestarting.

•UseonlygenuineTororeplacementpartstoensure

thatoriginalstandardsaremaintained.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof

potentialdanger.Replaceanydecalthatisdamagedorlost.

117–4979

1.Entanglementhazard,belt—stayawayfrommovingparts,

keepallguardsandshieldsinplace.

119-4690

1.Warning;cutting/dismembermenthazard,grinding

blade—keephandsandfeetawayfromallmovingparts,

keepallshieldsinplace;waitforallmovingpartstostop.

119-4691

1.Warning—readtheOperator’sManual;waitforgrinder

bladetostop,stoptheengineandfoldthehandle.

117–2718

119-4692

1.Warning—stoptheengine;usebothhandholdstoliftthe

grinder.

119-4693

1.Thrownobjecthazard—keepbystandersasafedistance

fromthemachine.

5

119-4722

1.Engine—run

2.Grinderblade—engage

ProductOverview

g014869

3

9

1

2

4

5

6

7

8

10

11

12

13

Figure3

1.Handle

8.Starter

2.Throttlelever

9.Cuttingwheel

3.Handlereleaseknob

10.Lift

4.Airlter

11.Beltcover

5.Sedimentcup

12.Fuelcap

6.Fuelvalve

13.Safetybail

7.Choke

Controls

Becomefamiliarwithallthecontrols(Figure3and

Figure6)beforeyoustarttheengineandoperatethe

machine.

HandleReleaseKnob

Thehandleonthismachinehasthecapabilitytobe

foldeddownforeasiertransport.Unscrewthehandle

releaseknobfromthemachine(Figure4).

6

g014871

1

Figure4

1.HandleReleaseKnob

Foldthehandledowntowardthemachineandscrewthe

handlebackontothemachine(Figure5).

g014870

Figure5

ThrottleLeverandSafetyBail

Thethrottlelevercontrolsenginespeed.Withthelever

down,inthedisengagedposition,theenginerunsat

idle.Thisisalsothestartingposition.Whenthethrottle

leverissqueezedtheenginespeedincreasesandthe

centrifugalclutchengagesandthecuttingwheelrotates.

Thesafetybailcontrolstheenginerunning.Holdthe

safetybailagainstthehandletodeactivatetheenginekill

switchsotheenginewillstart.Releasingthebailstops

theengine.

g014874

2

1

Figure6

1.Throttlelever

2.Safetybail

ParkingBrake

Theparkingbrakeholdstheleftwheelfromturning

tosecurethemachineandforeasymovementofthe

machinefromsidetosidewhengrindingthestump.

g014872

Figure7

1.Engagedbrake

7

g014873

Figure8

1.DisengagedBrake

Specications

Note:Specicationsanddesignaresubjecttochange

withoutnotice.

CuttingDepthApprox12inches(30.48cm)

Length

50inches(127cm)

Width

22inches(56cm)

Height

42inches(107cm)

Weight

103lbs(47Kg)

Attachments/Accessories

AselectionofToroapprovedattachmentsand

accessoriesareavailableforusewiththemachineto

enhanceandexpanditscapabilities.Contactyour

AuthorizedServiceDealerorDistributororgoto

www.Toro.comforalistofallapprovedattachments

andaccessories.

8

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Important:Beforeoperating,checkthefueland

oillevel,andremovedebrisfromthemachine.

Also,ensurethattheareaisclearofpeopleand

debris.Youshouldalsoknowandhavemarkedthe

locationsofallutilitylines.

BeforeyouStart

•Digawaytheearthandremoveanystonesnear

thetreestumpthatmayinterferewithyourwork.

Checkthatthegroundisfreeofforeignobjects,

suchaselectricalcables,barbedwire,etc.

•Cutortrimthestumpusingapowersaw.

•Reviewallthemachine’ssafetydecals.

•Useahard-hat,hearing,andeyeprotection.A

meshvisoralonedoesnotprovidesufcienteye

protection;supplementwithprotectiveglasses.

•Ensurethatyouarefamiliarwithsafetyregulations

andshutdownproceduresdescribedinthe

Operator’sManual.

•Ensurethatallguardsareinplaceandingood

condition.

•Ensurethatthebladesandcuttersareinplaceand

ingoodcondition.

•Ensurethattheworkarea,cutter,andstumpin

particulararefreefrommetallicobjectssuchas

wire,nails,etc.thatcouldbethrownoutandinjure

personsinthevicinityanddamagetheequipment.

•Ensurethateveryone,includingchildrenand

animals,maintainadistanceofatleast50feet(15

m)fromthemachine.Debriscanbethrownout

andinjurepeopleandanimals.

AddingFuel

Useunleadedgasoline(87pumpoctaneminimum).

Leaded,regulargasolinemaybeusedifunleadedisnot

available.

DANGER

Incertainconditions,gasolineisextremely

ammableandhighlyexplosive.Areorexplosion

fromgasolinecanburnyouandothersandcan

damageproperty.

•Fillthefueltankoutdoors,inanopenarea,

whentheengineiscold.Wipeupanygasoline

thatspills.

•Neverllthefueltankinsideanenclosedtrailer.

•Donotllthefueltankcompletelyfull.Add

gasolinetothefueltankuntilthelevelis1/4to

1/2inch(6to13mm)belowthebottomofthe

llerneck.Thisemptyspaceinthetankallows

gasolinetoexpand.

•Neversmokewhenhandlinggasoline,andstay

awayfromanopenameorwheregasoline

fumesmaybeignitedbyaspark.

•Storegasolineinanapprovedcontainerand

keepitoutofthereachofchildren.Neverbuy

morethana30-daysupplyofgasoline.

•Donotoperatewithoutentireexhaustsystem

inplaceandinproperworkingcondition.

DANGER

Incertainconditionsduringfueling,static

electricitycanbereleasedcausingasparkwhich

canignitethegasolinevapors.Areorexplosion

fromgasolinecanburnyouandothersandcan

damageproperty.

•Alwaysplacegasolinecontainersontheground

awayfromyourvehiclebeforelling.

•Donotllgasolinecontainersinsideavehicle

oronatruckortrailerbedbecauseinterior

carpetsorplastictruckbedlinersmayinsulate

thecontainerandslowthelossofanystatic

charge.

•Whenpractical,removegas-powered

equipmentfromthetruckortrailerandrefuel

theequipmentwithitswheelsontheground.

•Ifthisisnotpossible,thenrefuelsuch

equipmentonatruckortrailerfromaportable

container,ratherthanfromagasolinedispenser

nozzle.

•Ifagasolinedispensernozzlemustbeused,

keepthenozzleincontactwiththerimofthe

fueltankorcontaineropeningatalltimesuntil

fuelingiscomplete.

Important:Donotusemethanol,gasoline

containingmethanol,orgasoholcontainingmore

9

than10%ethanolbecausethefuelsystemcouldbe

damaged.Donotmixoilwithgasoline.

UsingStabilizer/Conditioner

Useafuelstabilizer/conditionerinthemachineto

providethefollowingbenets:

•Keepsgasolinefreshduringstorageof90daysor

less.Forlongerstorageitisrecommendedthatthe

fueltankbedrained.

•Cleanstheenginewhileitruns.

•Eliminatesgum-likevarnishbuildupinthefuel

system,whichcauseshardstarting.

Important:Donotusefueladditivescontaining

methanolorethanol.

Addthecorrectamountofgasstabilizer/conditioner

tothegas.

Note:Afuelstabilizer/conditionerismosteffective

whenmixedwithfreshgasoline.Tominimizethe

chanceofvarnishdepositsinthefuelsystem,usefuel

stabilizeratalltimes.

FillingtheFuelTank

1.Parkthemachineonalevelsurface,lowerthe

grinder,andstoptheengine.

2.Allowtheenginetocool.

3.Cleanaroundthefueltankcapandremoveit

(Figure9).

Figure9

viewmayvarydependingonmodel

1.Fueltankcap

4.Addunleadedgasolinetothefueltank,untilthe

levelis1/4to1/2inchbelowthebottomofthe

llerneck.

Important:Thisspaceinthetankallows

gasolinetoexpand.Donotllthefueltank

completelyfull.

5.Installthefueltankcapsecurely.

6.Wipeupanygasolinethatmayhavespilled.

CheckingtheEngineOilLevel

ServiceInterval:Beforeeachuseordaily

1.Tiltthemachinesotheengineislevel,andstop

theengine.

2.Allowtheenginetocool.

3.Cleanaroundtheoildipstick.

4.Removethedipstickandwipetheendclean.

5.Slidethedipstickfullyintothedipsticktubewithout

threadingitintothellerneck.

6.Pullthedipstickoutandlookattheend.The

oilshouldbetothetopoftheupperlimitrange

(Figure10).

Figure10

1.Oildipstick

Important:Runningtheenginewithlowoil

levelcancauseenginedamage.Thistypeof

damageisnotcoveredbywarranty.

Theengineisequippedwithanoilalertsystem

thatwillautomaticallystoptheenginebefore

theoillevelfallsbelowthesafelimit.

7.Iftheoillevelislow,slowlypouronlyenoughoil

intothecrankcasetoraisetheleveltotheupper

limit.

10

Important:Donotoverllthecrankcasewith

oilbecausetheenginemaybedamaged.

8.Replacethedipstick.

StartingandStoppingthe

Engine

StartingtheEngine

1.MovethefuelvalvetotheOpenposition,allthe

waytotheright.

2.MovethechokeleverlefttotheOnpositionifyou

arestartingacoldengine.

Note:Awarmorhotenginemaynotrequire

choking.

3.Holdthesafetybailagainstthehandleandpushthe

handledownenoughtoraisethecuttingwheeloff

theground.

4.Pullthestarterhandlelightlyuntilyoufeel

resistance,thenpullthehandlebriskly.Returnthe

starterhandlegently.

5.Aftertheenginestarts,graduallymovethechoke

leverbacktotheOffposition.Iftheenginestallsor

hesitates,movethechokebacktoOnagainuntilthe

enginewarmsup.ThenmoveittotheOffposition.

6.Holdthethrottleleveragainstthehandletorotate

thecuttingwheel.

StoppingtheEngine

1.Releaseyourhandfromthethrottlelever.

Note:Iftheenginehasbeenworkinghardoris

hot,letitrunforaminutebeforereleasingthe

safetybail.Thishelpstocooltheenginebefore

stopping.Inanemergency,theenginemaybe

stoppedimmediately.

2.Releasethesafetybailtostoptheengine.

3.MovethefuelvalvetotheClosedposition,allthe

waytotheleft.

GrindingaStump

Placethemachineintopositionwiththecuttingwheel

nearthefront-topedgeofthestump.

DANGER

Themachinewillcutandamputatehandsandfeet.

•Stayintheoperator’spositionwhilethe

machineisrunningandkeepawayfromthe

cuttingwheel.

•Keepallbystandersasafedistancefromthe

machine.

•Stopthemachineimmediatelyifanypeopleor

animalsentertheworkarea.

WARNING

Grindingastumpwillthrowwoodchips,soil,and

otherdebrisintotheairwhichcouldinjureyouor

bystanders.

•Alwaysweareyeprotectionwhenusingthe

machine.

•Keepallbystandersasafedistancefromthe

machine.

WARNING

Alwayswearhearingprotectionwhenusingthe

machine.

1.Releasethethrottlesothatitisindisengaged

position.

2.Starttheengine;referto

StartingtheEngine(page11).

3.Allowenginetowarmupatidlefortwominutes.

4.Pushthehandledownenoughtoraisethecutting

wheelofftheground.

5.Holdthethrottleagainstthehandlesothatitisin

engagedposition,thiswillengagethecentrifugal

clutchandthecuttingwheelrotates.

6.Movethemachinetothefrontofthestumpandset

theparkingbrake.

7.Swingthecuttingwheeltooneside,thenlowerit

approximately1/2inchto1inchintothefront-top

cornerofthestump.Swingthecuttingwheelback

andforth,loweringthecuttingwheelapproximately

1/2inchto1inchbeforeeachsweep,untilyouhave

removedthefrontportionofthestumptoground

level(

Figure11).

11

g014502

1

2

3

4

5

6

8

7

Figure11

8.Raisethecuttingwheeluntilcenterofcuttingwheel

isjustabovetopofthestump.

9.Withthecuttingwheelofftooneside,releasethe

parkingbrakeandadvancethemachineforward,

resettheparkingbrake.

10.Continuesweepingandcuttingwheelleftandright

acrossstump,advancingthemachinebeforeeach

sweep,cutting1/2inchto1inchdepthofcutwith

eachsweep.

11.Continuecuttinguntilthetoplevelofstumpisall

removed,makingsurenottocutstumpdeeperthan

groundlevelduringthisrststage.

12.Releasethethrottlesothatitisindisengaged

position,pushthehandledownenoughtoraisethe

cuttingwheelofftheground.Waittensecondsfor

thecuttingwheeltostoprotatingthenreleasethe

brakeandpullthemachineawayfromthestump.

13.Pullthemachineawayfromthestumpandrakethe

chipsawayfromthestump.

14.Movethemachinetothefrontofthestumpandset

theparkingbrake.

15.Holdthethrottleagainstthehandlesothatitisin

engagedposition,thiswillengagethecentrifugal

clutchandthecuttingwheelrotates.

16.Continuecuttinguntilbyrepeatingstep10again

andagainuntilthelevelofstumpisdeeperthan

groundlevelasdesired.

17.Stopthemachine;referto

StoppingtheEngine(page11).

Note:DoNotletthefrontoftheunittouchthe

grounduntilyouaresurethecuttingwheelhas

stoppedturning.

DANGER

Arotatingcuttingwheelisverydangerousand

cancutandamputatehandsandfeet.

Stayattheoperatingpositionandbesurethat

thecuttingwheelhascometoacompletestop

beforedoinganythingelse.

12

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

Important:Themachinemaybetippedbackward

oronitssidetofacilitateaccessforcleaningor

service,butnolongerthan2minutes.Ifthe

machineisheldinthispositionfortoolong,the

enginecanbedamagedbygasolinedraininginto

thecrankcase.Shouldthishappen,performan

extraoilchangeontheengine.Thenturnthe

engineoverafewrevolutionswiththestarterhandle

beforestartingtheengineagain.

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

MaintenanceProcedure

Aftertherst25hours

•Changetheoil.

Beforeeachuseordaily

•Checktheengineoillevel.

•Greasethemachine.

•Checktheairlter.

•Checkthecuttingwheelblades.

•Removedebrisfromthemachine.

Every25hours

•Checkthedrivebelttension.

Every50hours

•Servicetheairlter.

Every100hours

•Changetheoil.

•Cleanthesedimentcup.

•Checkthesparkplugs.

Every200hours

•Replacetheairlter.

Yearlyorbeforestorage

•Changetheoil.

•Cleanthesedimentcup.

Important:Refertoyour

Engine Operator’ s Man ual

foradditionalmaintenanceprocedures.

Lubrication

GreasingtheMachine

ServiceInterval:Beforeeachuseordaily

GreaseType:General-purposegrease.

1.Cleanthegreasettingswitharag.

2.Connectagreaseguntoeachtting.

3.Lubricatetwottings,oneoneachcuttingwheel

bearing.

Figure12

13

4.Pumpgreaseintothettingsuntilgreasebeginsto

oozeoutofthebearings(approximately3pumps).

5.Wipeupanyexcessgrease.

Important:Pumpgreaseinslowlyandcarefully

topreventdamagetothebearingseals.

EngineMaintenance

ServicingtheAirCleaner

ServiceInterval:Beforeeachuseordaily

Thecycloneairltercollectsthelargestcontaminant

particles,whichcollectinthecontainer.Whenyoucan

seealayerofdirtatthebottomofthecontainer,clean

thecyclonehousing,airchannels,andairintakescreen.

ServicingtheCycloneAirFilter

ServiceInterval:Every50hours

1.Removethe3screwsholdingthecyclonehousing.

2.Removethehousingwiththeairintakescreenand

removetheairchannels.

Figure13

1.Cyclonehousing

3.Airchannels

2.Screw4.Cyclonehousingwithair

intakescreen

Note:Theairchannelsmayremainintheupper

portionorfollowalongwiththehousingwhen

removed.

3.Cleanthecomponents.Usewater,detergentanda

brush.Drycarefully.

4.Placetheairchannelsinthecyclonehousing.

5.Insertcyclonehousingintopositionandmakesure

ittsintheupperportion.Donotuseforce;alignit

inplacebeforettingthescrews.

ReplacingtheAirFilter

ServiceInterval:Every200hours

Iftheengineislowonpower,producesblacksmokeor

runsunevenly,theairltermaybeclogged.

1.Removethewingnutandliftoffthecyclonelter

withtheairltercowling(

Figure14).

14

Figure14

1.Wingnut

4.Airlter

2.Cycloneairlter5.Stud

3.Foampre-lter

2.Removethefoampre-lterandcleanitasfollows

A.Washthepre-lterusingamilddetergentand

water.

B.Squeezeitdrywithacleancloth.

C.Soakitwithnewengineoil.

D.Gentlywindthelterinanabsorbentclothand

squeezeoutexcessoil.

3.Removethewingnutontopoftheairlterand

removethepaperlter.

4.Tapthepaperlteragainstaxedsurfacetoremove

dust.Ifthepaperlterisstilldirtyordamaged,

replaceit.Thepaperltershouldbereplacedevery

200hours.

Important:Donotusecompressedairtoblow

outthepaperelement,thiscandamageit.

5.Mountthepaperlterintheairlterhousingand

secureitwiththewingnut.

6.Positionthefoampre-lteroverthepaperlter.

7.Installthecyclonelterwiththeairltercoverand

secureitwiththewingnut.

ServicingtheEngineOil

Note:Changetheoilmorefrequentlywhenthe

operatingconditionsareextremelydustyorsandy.

OilType:DetergentoilwithanAPIserviceofSJor

higher.

CrankcaseCapacity:.63qt(.6liters)

Viscosity:SAE10W-30isrecommendedforgeneral

use.

ChangingtheEngineOil

ServiceInterval:Aftertherst25hours

Every100hours

Yearlyorbeforestorage

1.Starttheengineandletitrunveminutes.This

warmstheoilsoitdrainsbetter.

2.Parkthemachinesothatthedrainsideisslightly

lowerthantheoppositesidetoensurethattheoil

drainscompletely.

3.Settheparkingbrakeandstoptheengine.

4.Placeapanundertheoildrainhole.

5.Removethedrainpluganddraintheoilthroughthe

holeslotintheframe(

Figure15).

g014504

1

2

Figure15

1.Oildrainhole2.Oilllcap

6.Whentheoilhasdrainedcompletely,installtheplug

andwipeupanyspilledoil.

Note:Disposeoftheusedoilatacertiedrecycling

center.

7.Removetheoilllcapandslowlypourapproximately

80percentofthespeciedamountofoilintothe

engine(Figure15).

8.Slowlyaddadditionaloiltobringtheoilleveltothe

upperlimitmarkonthedipstick.Referto(page).

9.Installtheoilllcap.

15

CleaningtheSedimentCup

ServiceInterval:Every100hours

Yearlyorbeforestorage

Underneaththefuelvalveisasedimentcuptocatch

dirtinthefuel.

1.MovethefuelvalvetotheOffposition,alltheway

totheleft.

2.Unscrewthesedimentcup.Makesurenotto

misplacetheo-ring(

Figure16).

Figure16

1.Sedimentcup2.O-Ring

3.Cleanthereservoirandtheo-ringusingacleaning

solventanddrycarefully.

Note:Makesurenottomisplacetheo-ring.

4.Puttheo-ringinplaceinthegrooveofthecupand

replacethesedimentcup.

5.TurnthefuelvalvetotheOnposition,alltheway

totheright,andcheckforleaks.Ifitleaks,replace

theo-ring.

ServicingtheSparkPlug

ServiceInterval:Every100hours—Checkthespark

plugs.

Ensurethattheairgapbetweenthecenterandside

electrodesiscorrectbeforeinstallingthesparkplug.

Useasparkplugwrenchforremovingandinstallingthe

sparkplugandagappingtool/feelergaugetocheckand

adjusttheairgap.Installanewsparkplugifnecessary.

Type:BPR6ES(NKG)orequivalent

AirGap:0.28–0.031inch(0.70-0.80mm)

RemovingtheSparkPlug

1.Lowerthegrinderandstopthemachine;Referto

StoppingtheEngine(page11).

2.Pullthewireoffofthesparkplug(Figure17).

Figure17

1.Sparkplug

2.Wire

3.Cleanaroundthesparkplug.

4.Removethesparkplugandthemetalwasher.

16

CheckingtheSparkPlug

1.Lookatthecenterofthesparkplug(Figure18).

Ifyouseelightbrownorgrayontheinsulator,the

engineisoperatingproperly.Ablackcoatingonthe

insulatorusuallymeansthattheaircleanerisdirty.

Important:NeverCleanthesparkplug.Always

replacethesparkplugwhenithasablack

coating,wornelectrodes,anoilylm,orcracks.

Figure18

1.Centerelectrodeinsulator3.Airgap(nottoscale)

2.Sideelectrode

2.Checkthegapbetweenthecenterandsideelectrodes

(Figure18).Bendthesideelectrode(Figure18)if

thegapisnotcorrect.

InstallingtheSparkPlug

1.Threadthesparkplugintothesparkplughole.

2.Tightenthesparkplugto20ft-lb(27N-m).

3.Pushthewireontothesparkplug.

BeltMaintenance

CheckingtheDriveBelt

Tension

ServiceInterval:Every25hours

Note:Replacethebeltifitshowsanysignsofwear,

cracks,ordamage.

1.Shutofftheengineandwaitforallrotatingparts

tostop.

2.Removebeltguardretainingscrews(

Figure19).

g014510

1

2

3

4

5

4

Figure19

viewmayvarydependingonmodel

1.Beltguard4.Bolt

2.Lockwasher5.Nut

3.Washer

3.Tocheckbelttension,gentlysqueezethebeltspans

together.Youshouldbeabletopushthebeltdown

about1/4–3/8inch(6–10mm)fromtheoriginal

position.

Important:Toextendthebeltlife,propertension

mustbemaintained.Aloosebeltwillcause

excessivecuttingwheelslippageandearlybelt

failure.Abeltthatistootightcancausebearing

andshaftfailure,andrapidbeltwear.

AdjustingtheDriveBelt

1.Removethebeltguard.

2.Loosenthe4enginemountingbolts,andjamnuts

holdingtheadjustmentbolt(Figure20).

17

Figure20

1.Bolt3.Enginemountbolt

2.JamNut

3.Turnsquareheadadjustingboltontheframe

clockwisetotightenthebelt,counterclockwiseto

loosenthebelt

Important:Important:Makesuretotighten

alltheengineboltsafterproperbeltadjustment

isachieved.

4.Installthebeltguardandsecurewithpreviously

removedhardware.

GrinderMaintenance

CheckingtheCuttingWheel

Blades

ServiceInterval:Beforeeachuseordaily

Amongthemostcriticalelementsofthemachineisthe

cuttingwheelblades.Theyarealsothemostsubjectto

damageandwear.Inthecourseofgrindingstumps

theynotonlymakecontactwiththewood,buttheyalso

encounternumerousabrasivesandobjects,suchasdirt,

stones,andoccasionallyalargerockorburiedscrap.

Thewearandlossofcuttingteethcansignicantly

impairtheefciencyandperformanceofthemachine.

Therefore,itisimportanttomakefrequentchecksof

theconditionofallofthecuttingteethandreplaceany

damagedorwornbladesections(

Figure21).

Figure21

ReplacingtheCuttingWheel

Blades

1.Cleanalldirtfromthecuttingwheelandmounting

anges.

2.Removethetwoboltsthatholdeachcuttingblade

section.Usecarenottoletasectiondropandchip

whentheybecomeloose(

Figure22).

18

Figure22

3.Checkeachsectionforcracks.Replaceablade

sectionifitiscrackedorhasmissingorwornteeth.

Note:Whenreplacingcuttingwheelbladesections,

makesurebladesectionisplacedincorrect

alignmentwithbladerotation.

4.Insertthebladesectionbetweentheblademounting

anges(

Figure22),andsecurethemwith2bolts,

lockwashers,andnuts.

5.Torquethefastenersto27–33ft-lb(37–45N-m).

Cleaning

RemovingDebrisfromthe

Machine

Regularcleaningandwashingwillincreasethelifespan

ofthemachine.Cleanthemachinedirectlyafteruse,

beforethedirthardens.

Checkbeforecleaningthatthefueltankcapisproperly

inplacetoavoidgettingwaterinthetank.

Usecarewhenusingahigh-pressuresprayerbecauseit

candamagewarningdecals,instructionsigns,andthe

engine

Important:Lubricatethecuttingwheelblade

bearingsaftercleaning.

19

Storage

Forstorageover30days,preparetheunitasfollows:

1.Removedirtandgrimefromtheexternalpartsof

theentireunit,especiallytheengine.Cleandirt

andsawdustchipsfromtheoutsideoftheengine

cylinderheadnsandblowerhousing.

Important:Youcanwashtheunitwithmild

detergentandwater.

2.Addapetroleumbasedstabilizer/conditionerto

fuelinthetank.Followmixinginstructionsfrom

stabilizermanufacturer.(1oz.perUSgallon).Do

notuseanalcoholbasedstabilizer(ethanolor

methanol).

Note:Fuelstabilizer/conditionerismosteffective

whenmixedwithfreshgasolineandusedatalltimes.

Important:Donotstorestabilizer/conditioned

gasolineover90days.

3.Runtheenginetodistributeconditionedfuel

throughthefuelsystem(5minutes).

4.Stoptheengine,allowittocool,anddrainthefuel

tankusingapumptypesiphon.Disposeoffuel

properly;recycleasperlocalcodes.

5.Starttheengineandrunituntilitstops.

6.Choketheengine.

7.Startandruntheengineuntilitwillnotstartagain.

8.Cleanthesedimentcup;referto

CleaningtheSedimentCup(page16).

9.Servicetheaircleaner;referto

ServicingtheCycloneAirFilter(page14)

and,ReplacingtheAirFilter(page14).

10.Changetheenginecrankcaseoil;referto(page).

11.Removethesparkplugandcheckthecondition;

referto(page).

12.Withthesparkplugremovedfromtheengine,pour

twotablespoonsofengineoilintothesparkplug

hole.

13.Pullthestarterslowlytocranktheengineand

distributetheoilinsidethecylinder.

14.Installthesparkplug,butdonotinstallthewireon

thesparkplug.

15.Greasethecutterwheelbearings;referto

GreasingtheMachine(page13).

16.Checkandtightenallbolts,nuts,andscrews.Repair

orreplaceanypartthatisdamaged.

17.Paintallscratchedorbaremetalsurfaces.Paintis

availablefromyourAuthorizedServiceDealer.

18.Storetheunitinaclean,drygarageorstoragearea.

19.Covertheunittoprotectitandkeepitclean.

20

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