Toro 22601 Operator's Manual

FormNo.3366-323RevA

g014867

6.5hpStumpGrinder

ModelNo.22601—SerialNo.310000001andUp

ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.T oro.com.OriginalInstructions(EN)

WARNING

g014868

Introduction

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.

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.

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.

Figure1

1.Modelandserialnumberplate

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas safetymessagesidentiedbythesafetyalertsymbol (

Figure2),whichsignalsahazardthatmaycauseserious

Contactusatwww.T oro.com.

PrintedintheUSA.

AllRightsReserved

injuryordeathifyoudonotfollowtherecommended precautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2otherwordstohighlightinformation. Importantcallsattentiontospecialmechanical informationandNoteemphasizesgeneralinformation worthyofspecialattention.

Contents

Safety

Improperuseormaintenancebytheoperator orownercanresultininjury.Toreducethe potentialforinjury,complywiththesesafety instructionsandalwayspayattentiontothesafety alertsymbol or

Danger

complywiththeinstructionmayresultinpersonal injuryordeath.

,whichmeans:

—personalsafetyinstruction.Failureto

SafeOperatingPractices

Thisproductiscapableofamputatinghandsandfeet. Alwaysfollowallsafetyinstructionstoavoidserious injuryordeath.

Caution

W ar ning

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

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.

•Useextracarewhenhandlinggasolineandother fuels.Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainer –Neverremovethegascaporaddfuelwiththe

enginerunning.Allowtheenginetocoolbefore refueling.Donotsmoke.

–Neverrefuelordrainthemachineindoors.

•Checkthattheoperatorpresencecontrols,safety switches,andshieldsareattachedandfunctioning properly.Donotoperateunlesstheyarefunctioning properly.

•Donottouchpartswhichmaybehotfrom operation.Allowthemtocoolbeforeattemptingto maintain,adjust,orservice.

•Ensurethatyouoperatethemachineinareaswhere therearenoobstaclesincloseproximitytothe operator.Failuretomaintainadequatedistancefrom trees,walls,andotherbarriersmayresultininjury asthemachinebacksupduringoperationifthe operatorisnotattentivetothesurroundings.Only operatetheunitinareaswherethereissufcient clearancefortheoperatortosafelymaneuverthe product.

•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.

•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.

•Neverleavearunningmachineunattended.Always stoptheengineandverifythecuttingwheelshas stoppedrotating.

•Neverjerkthecontrols;useasteadymotion.

•Watchfortrafcwhenoperatingnearorcrossing roadways.

•Keepnutsandboltstight.Keepequipmentingood condition.

•Nevertamperwithsafetydevices.

•Keepthemachinefreeofgrass,leaves,orother debrisbuild-up.Cleanupoilorfuelspillage.Allow themachinetocoolbeforestoring.

•Useextracarewhenhandlinggasolineandother fuels.Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainer. –Neverremovethegascaporaddfuelwhen

theengineisrunning.Allowtheenginetocool

beforerefueling.Donotsmoke. –Neverrefuelthemachineindoors. –Neverstorethemachineorfuelcontainerinside

wherethereisanopename,suchasneara

waterheaterorfurnace.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof potentialdanger.Replaceanydecalthatisdamagedorlost.

–Neverllacontainerwhileitisinsideavehicle,

trunk,pick-upbed,oranysurfaceotherthanthe ground.

–Keepcontainernozzleincontactwiththetank

duringlling.

•Stopandinspecttheequipmentifyoustrikean object.Makeanynecessaryrepairsbeforerestarting.

•UseonlygenuineTororeplacementpartstoensure thatoriginalstandardsaremaintained.

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.

ProductOverview

g014869

119-4722

1.Engine—run

2.Grinderblade—engage

Figure3

1.Handle

2.Throttlelever

3.Handlereleaseknob

4.Airlter

5.Sedimentcup

6.Fuelvalve

7.Choke

8.Starter

9.Cuttingwheel

10.Lift

11.Beltcover

12.Fuelcap

13.Safetybail

Controls

Becomefamiliarwithallthecontrols(Figure3and Figure6)beforeyoustarttheengineandoperatethe machine.

HandleReleaseKnob

Thehandleonthismachinehasthecapabilitytobe foldeddownforeasiertransport.Unscrewthehandle releaseknobfromthemachine(Figure4).

g014871

1.HandleReleaseKnob

g014870

g014874

g014872

Figure4

Foldthehandledowntowardthemachineandscrewthe handlebackontothemachine(Figure5).

Figure5

ThrottleLeverandSafetyBail

Thethrottlelevercontrolsenginespeed.Withthelever down,inthedisengagedposition,theenginerunsat idle.Thisisalsothestartingposition.Whenthethrottle leverissqueezedtheenginespeedincreasesandthe centrifugalclutchengagesandthecuttingwheelrotates.

Thesafetybailcontrolstheenginerunning.Holdthe safetybailagainstthehandletodeactivatetheenginekill switchsotheenginewillstart.Releasingthebailstops theengine.

Figure6

1.Throttlelever

2.Safetybail

ParkingBrake

Theparkingbrakeholdstheleftwheelfromturning tosecurethemachineandforeasymovementofthe machinefromsidetosidewhengrindingthestump.

Figure7

1.Engagedbrake

g014873

1.DisengagedBrake

Figure8

Specications

Note:Specicationsanddesignaresubjecttochange

withoutnotice.

CuttingDepthApprox12inches(30.48cm)

Length

Width

Height

Weight

Attachments/Accessories

AselectionofToroapprovedattachmentsand accessoriesareavailableforusewiththemachineto enhanceandexpanditscapabilities.Contactyour AuthorizedServiceDealerorDistributororgoto www.Toro.comforalistofallapprovedattachments andaccessories.

50inches(127cm)

22inches(56cm)

42inches(107cm)

103lbs(47Kg)

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

than10%ethanolbecausethefuelsystemcouldbe damaged.Donotmixoilwithgasoline.

UsingStabilizer/Conditioner

Important:Thisspaceinthetankallows

gasolinetoexpand.Donotllthefueltank completelyfull.

5.Installthefueltankcapsecurely.

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.

6.Wipeupanygasolinethatmayhavespilled.

CheckingtheEngineOilLevel

ServiceInterval:Beforeeachuseordaily

1.Tiltthemachinesotheengineislevel,andstop theengine.

2.Allowtheenginetocool.

3.Cleanaroundtheoildipstick.

4.Removethedipstickandwipetheendclean.

5.Slidethedipstickfullyintothedipsticktubewithout threadingitintothellerneck.

6.Pullthedipstickoutandlookattheend.The oilshouldbetothetopoftheupperlimitrange (Figure10).

2.Allowtheenginetocool.

3.Cleanaroundthefueltankcapandremoveit (Figure9).

Figure9

viewmayvarydependingonmodel

1.Fueltankcap

Figure10

1.Oildipstick

Important:Runningtheenginewithlowoil levelcancauseenginedamage.Thistypeof damageisnotcoveredbywarranty.

Theengineisequippedwithanoilalertsystem thatwillautomaticallystoptheenginebefore theoillevelfallsbelowthesafelimit.

4.Addunleadedgasolinetothefueltank,untilthe levelis1/4to1/2inchbelowthebottomofthe llerneck.

7.Iftheoillevelislow,slowlypouronlyenoughoil intothecrankcasetoraisetheleveltotheupper limit.

Important:Donotoverllthecrankcasewith oilbecausetheenginemaybedamaged.

8.Replacethedipstick.

StartingandStoppingthe

DANGER

Themachinewillcutandamputatehandsandfeet.

•Stayintheoperator’spositionwhilethe machineisrunningandkeepawayfromthe cuttingwheel.

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.

•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.

2.Releasethesafetybailtostoptheengine.

3.MovethefuelvalvetotheClosedposition,allthe waytotheleft.

GrindingaStump

Placethemachineintopositionwiththecuttingwheel nearthefront-topedgeofthestump.

6.Movethemachinetothefrontofthestumpandset theparkingbrake.

7.Swingthecuttingwheeltooneside,thenlowerit approximately1/2inchto1inchintothefront-top cornerofthestump.Swingthecuttingwheelback andforth,loweringthecuttingwheelapproximately 1/2inchto1inchbeforeeachsweep,untilyouhave removedthefrontportionofthestumptoground

Figure11).

level(

g014502

Figure11

8.Raisethecuttingwheeluntilcenterofcuttingwheel isjustabovetopofthestump.

Note:DoNotletthefrontoftheunittouchthe grounduntilyouaresurethecuttingwheelhas stoppedturning.

DANGER

Arotatingcuttingwheelisverydangerousand cancutandamputatehandsandfeet.

Stayattheoperatingpositionandbesurethat thecuttingwheelhascometoacompletestop beforedoinganythingelse.

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).

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition. Important:Themachinemaybetippedbackward

oronitssidetofacilitateaccessforcleaningor service,butnolongerthan2minutes.Ifthe machineisheldinthispositionfortoolong,the enginecanbedamagedbygasolinedraininginto

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

Aftertherst25hours

Beforeeachuseordaily

Every25hours

Every50hours

Every100hours

MaintenanceProcedure

•Changetheoil.

•Checktheengineoillevel.

•Greasethemachine.

•Checktheairlter.

•Checkthecuttingwheelblades.

•Removedebrisfromthemachine.

•Checkthedrivebelttension.

•Servicetheairlter.

•Changetheoil.

•Cleanthesedimentcup.

•Checkthesparkplugs.

thecrankcase.Shouldthishappen,performan extraoilchangeontheengine.Thenturnthe engineoverafewrevolutionswiththestarterhandle beforestartingtheengineagain.

Every200hours

Yearlyorbeforestorage

Important:Refertoyour

•Replacetheairlter.

•Changetheoil.

•Cleanthesedimentcup.

Engine Operator’ s Man ual

Lubrication

GreasingtheMachine

ServiceInterval:Beforeeachuseordaily

GreaseType:General-purposegrease.

1.Cleanthegreasettingswitharag.

2.Connectagreaseguntoeachtting.

3.Lubricatetwottings,oneoneachcuttingwheel bearing.

foradditionalmaintenanceprocedures.

Figure12

4.Pumpgreaseintothettingsuntilgreasebeginsto oozeoutofthebearings(approximately3pumps).

EngineMaintenance

5.Wipeupanyexcessgrease.

Important:Pumpgreaseinslowlyandcarefully topreventdamagetothebearingseals.

ServicingtheAirCleaner

ServiceInterval:Beforeeachuseordaily Thecycloneairltercollectsthelargestcontaminant

particles,whichcollectinthecontainer.Whenyoucan seealayerofdirtatthebottomofthecontainer,clean thecyclonehousing,airchannels,andairintakescreen.

ServicingtheCycloneAirFilter

ServiceInterval:Every50hours

1.Removethe3screwsholdingthecyclonehousing.

2.Removethehousingwiththeairintakescreenand removetheairchannels.

Figure13

1.Cyclonehousing

2.Screw4.Cyclonehousingwithair

Note:Theairchannelsmayremainintheupper portionorfollowalongwiththehousingwhen removed.

3.Cleanthecomponents.Usewater,detergentanda brush.Drycarefully.

4.Placetheairchannelsinthecyclonehousing.

5.Insertcyclonehousingintopositionandmakesure ittsintheupperportion.Donotuseforce;alignit inplacebeforettingthescrews.

3.Airchannels

intakescreen

ReplacingtheAirFilter

ServiceInterval:Every200hours Iftheengineislowonpower,producesblacksmokeor

runsunevenly,theairltermaybeclogged.

1.Removethewingnutandliftoffthecyclonelter withtheairltercowling(

Figure14).

Figure14

g014504

1.Wingnut

2.Cycloneairlter5.Stud

3.Foampre-lter

4.Airlter

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).

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.

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.

CleaningtheSedimentCup

RemovingtheSparkPlug

ServiceInterval:Every100hours

Yearlyorbeforestorage

Underneaththefuelvalveisasedimentcuptocatch dirtinthefuel.

1.MovethefuelvalvetotheOffposition,alltheway totheleft.

2.Unscrewthesedimentcup.Makesurenotto misplacetheo-ring(

Figure16).

1.Lowerthegrinderandstopthemachine;Referto StoppingtheEngine(page11).

2.Pullthewireoffofthesparkplug(Figure17).

Figure17

1.Sparkplug

2.Wire

3.Cleanaroundthesparkplug.

4.Removethesparkplugandthemetalwasher.

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)

CheckingtheSparkPlug

g014510

1.Lookatthecenterofthesparkplug(Figure18). Ifyouseelightbrownorgrayontheinsulator,the engineisoperatingproperly.Ablackcoatingonthe insulatorusuallymeansthattheaircleanerisdirty.

BeltMaintenance

CheckingtheDriveBelt Tension

Important:NeverCleanthesparkplug.Always

replacethesparkplugwhenithasablack coating,wornelectrodes,anoilylm,orcracks.

Figure18

1.Centerelectrodeinsulator3.Airgap(nottoscale)

2.Sideelectrode

2.Checkthegapbetweenthecenterandsideelectrodes (Figure18).Bendthesideelectrode(Figure18)if thegapisnotcorrect.

ServiceInterval:Every25hours Note:Replacethebeltifitshowsanysignsofwear,

cracks,ordamage.

1.Shutofftheengineandwaitforallrotatingparts tostop.

2.Removebeltguardretainingscrews(

Figure19).

InstallingtheSparkPlug

1.Threadthesparkplugintothesparkplughole.

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

3.Pushthewireontothesparkplug.

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).

Figure20

1.Bolt3.Enginemountbolt

2.JamNut

3.Turnsquareheadadjustingboltontheframe clockwisetotightenthebelt,counterclockwiseto loosenthebelt

Important:Important:Makesuretotighten alltheengineboltsafterproperbeltadjustment isachieved.

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).

4.Installthebeltguardandsecurewithpreviously removedhardware.

Figure21

ReplacingtheCuttingWheel Blades

1.Cleanalldirtfromthecuttingwheelandmounting anges.

2.Removethetwoboltsthatholdeachcuttingblade section.Usecarenottoletasectiondropandchip whentheybecomeloose(

Figure22).

Cleaning

RemovingDebrisfromthe Machine

Regularcleaningandwashingwillincreasethelifespan ofthemachine.Cleanthemachinedirectlyafteruse, beforethedirthardens.

Checkbeforecleaningthatthefueltankcapisproperly inplacetoavoidgettingwaterinthetank.

Figure22

3.Checkeachsectionforcracks.Replaceablade sectionifitiscrackedorhasmissingorwornteeth.

Note:Whenreplacingcuttingwheelbladesections, makesurebladesectionisplacedincorrect alignmentwithbladerotation.

4.Insertthebladesectionbetweentheblademounting anges( lockwashers,andnuts.

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

Figure22),andsecurethemwith2bolts,

Usecarewhenusingahigh-pressuresprayerbecauseit candamagewarningdecals,instructionsigns,andthe engine

Important:Lubricatethecuttingwheelblade bearingsaftercleaning.

Storage

17.Paintallscratchedorbaremetalsurfaces.Paintis availablefromyourAuthorizedServiceDealer.

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.

18.Storetheunitinaclean,drygarageorstoragearea.

19.Covertheunittoprotectitandkeepitclean.

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.

Troubleshooting

Problem

Theenginewillnotstart.

Theenginerunsrough.

Thebeltslipsorcomesoffthepulleys1.Thebelttensionisinsufcient.

Thecuttingwheeldoesnotrotate.

Thecuttingwheelcontinuestorotate.

1.TheengineswitchisintheOffposition.1.Holdthesafetybailagainstthehandle.

2.Thefuelshutoffvalveisclosed.2.Openthefuelvalve.

3.Thechokeisopen.

4.Thefueltankisempty.4.Filltankwithfreshfuel.

5.Thesparkplugwireislooseor disconnected.

1.Thechokeislefton.1.Openthechoke.

2.Theairlterisclogged.2.Cleanorreplacetheairlter.

3.Thefuellineisclogged.3.Cleanthesedimentcup.

4.Thereiswaterorcontaminantsinthe fuel.

5.Thesparkplugsarewornorhave buildupontheelectrodes.

1.Theenginespeedisinsufcientto activatethecentrifugalclutch.

2.Thebelttensionisinsufcient.

3.Theclutchshoesareworn.3.Replacetheclutch.

1.Theenginespeedisexcessive.1.MovethethrottletotheDisengaged

2.Thebeltisoffofthepulleysorbroken.

3.Clutchspringsareweakorbroken.

PossibleCauseCorrectiveAction

3.Closethechokewhenstartingacold engine.

5.Checktheelectrodegapandcleanor replacethesparkplug.

4.Drainandllthetankwithfreshfuel.

5.Checkelectrodegapandcleanor replacethesparkplug.

1.Adjustthebelttension.Reducethe cuttingdepth.

1.MovethethrottletotheEngaged position.

2.Adjustthebelttension.

position.

2.Replacethedrivebelt.

3.Replacetheclutch.

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