Toro SGR-13 User manual

FormNo.3421-260RevA
SGR-13StumpGrinder
ModelNo.22619—SerialNo.402470001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)*3421-260*A

ThisproductcomplieswithallrelevantEuropean
directives;fordetails,pleaseseetheseparateproduct
specicDeclarationofConformity(DOC)sheet.
ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineon
anyforest-covered,brush-covered,orgrass-covered
landunlesstheengineisequippedwithaspark
arrester,asdenedinSection4442,maintainedin
effectiveworkingorderortheengineisconstructed,
equipped,andmaintainedforthepreventionofre.
Theenclosedengineowner'smanualissupplied
forinformationregardingtheUSEnvironmental
ProtectionAgency(EPA)andtheCaliforniaEmission
ControlRegulationofemissionsystems,maintenance,
andwarranty.Replacementsmaybeorderedthrough
theenginemanufacturer.
WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Introduction
Thismachineisdesignedtogrindandremovetree
stumpsandsurfaceroots.Itisnotintendedtocut
rockoranyothermaterialotherthanwoodandthe
soilaroundastump.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
YoumaycontactTorodirectlyatwww.Toro.comfor
productandaccessoryinformation,helpndinga
dealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure
1illustratesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
Important:Withyourmobiledevice,youcan
scantheQRcodeontheserialnumberdecal(if
equipped)toaccesswarranty,parts,andother
productinformation.
g254494
Figure1
1.Modelandserialnumberplate
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
1.Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Contents
Safety.......................................................................3
SafeOperatingPractices....................................3
SafetyandInstructionalDecals..........................5
ProductOverview.....................................................7
Controls.............................................................7
Specications....................................................8
Attachments/Accessories...................................8
Operation..................................................................8
BeforeYouStart.................................................8
AddingFuel........................................................8
PerformingDailyMaintenance..........................10
©2018—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved

StartingtheEngine...........................................10
ShuttingOfftheEngine.....................................10
GrindingaStump..............................................10
LiftingtheMachine............................................11
Maintenance...........................................................12
RecommendedMaintenanceSchedule(s)...........12
Lubrication..........................................................12
GreasingtheMachine.......................................12
EngineMaintenance...........................................13
ServicingtheAirCleaner..................................13
ServicingtheEngineOil....................................14
ServicingtheSparkPlug...................................16
CleaningtheEngineScreen.............................17
FuelSystemMaintenance...................................17
CleaningtheSedimentCup..............................17
BrakeMaintenance.............................................18
AdjustingtheParkingBrake..............................18
BeltMaintenance................................................18
AdjustingtheDrive-BeltTension.......................18
ReplacingtheDriveBelt...................................19
GrinderMaintenance............................................20
ReplacingtheTeeth..........................................20
Cleaning..............................................................21
RemovingDebrisfromtheMachine..................21
Storage...................................................................21
Troubleshooting......................................................23
Safety
Improperuseormaintenancebytheoperatororowner
canresultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructionsandalwayspay
attentiontothesafety-alertsymbol(Figure2),which
meansCaution,Warning,orDanger—personal
safetyinstruction.Failuretocomplywiththe
instructionmayresultinpersonalinjuryordeath.
SafeOperatingPractices
Thisproductiscapableofamputatinghandsandfeet.
Alwaysfollowallsafetyinstructionstoavoidserious
injuryordeath.
WARNING
Engineexhaustcontainscarbonmonoxide,
anodorlesspoisonthatisfatalifinhaled.
Donotruntheengineindoorsorinan
enclosedarea.
Training
•ReadtheOperator'sManualandothertraining
material.Iftheoperator(s)ormechanic(s)cannot
readEnglish,itistheowner'sresponsibilityto
explainthismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperateor
servicetheequipment.Localregulationsmay
restricttheageoftheoperator.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.
3

Preparation
•Wearappropriateclothingincludinggloves,eye
protection,longpants,substantialslip-resistant
footwear,andhearingprotection.Tiebacklong
hairanddonotwearlooseclothingorloose
jewelry.
•Inspecttheareawhereyouwillusetheequipment
andremoveallobjects,suchasrocks,toys,and
wire,thatthemachinecouldthrow.
•Checkthattheoperator'spresencecontrols,safety
switches,andshieldsareattachedandfunctioning
properly.Donotoperatethemachineunlessthey
arefunctioningproperly.
FuelSafety
•Useextracarewhenhandlingfuel.Itisammable
anditsvaporsareexplosive.
•Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.
•Useonlyanapprovedfuelcontainer.
•Donotremovethefuelcaporllthefueltank
whiletheengineisrunningorhot.
•Donotaddordrainfuelinanenclosedspace.
•Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such
asonawaterheaterorotherappliance.
•Ifyouspillfuel,donotattempttostarttheengine;
avoidcreatinganysourceofignitionuntilthefuel
vaporshavedissipated.
Operation
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Neverrunanengineinanenclosedarea.
•Operatethemachineonlyingoodlight,keeping
awayfromholesandhiddenhazards.
•Ensurethatallthedrivesareinneutralandthe
parkingbrakeisengagedbeforestartingthe
engine.Starttheengineonlyfromtheoperator's
position.
•Neveroperatethemachinewithouttheguards
securelyinplace.Ensurethatalltheinterlocksare
attached,adjusted,andfunctioningproperly.
•Donotchangetheengine-governorsettingor
overspeedtheengine.
•Parkthemachineonalevelsurface,engagethe
parkingbrake,andshutofftheenginebefore
leavingtheoperator'spositionforanyreason.
•Keepyourhandsandfeetawayfrommovingparts.
•Lookbehindanddownbeforebackingupto
ensurethatthepathisclear.
•Donotoperatethemachinewhenyouaretired,ill,
orundertheinuenceofalcoholordrugs.
•Usecarewhenloadingorunloadingthemachine
intoatrailerortruck.
•Ensurethattheareaisclearofpeoplebefore
operatingthemachine.Stopthemachineif
anyoneentersthearea.
•Neverjerkthecontrols;useasteadymotion.
•Watchfortrafcwhenoperatingnearorcrossing
roadways.
•Donottouchpartsthatmaybehotfromoperation.
Allowthemtocoolbeforeattemptingtomaintain,
adjust,orservicethemachine.
•Beforegrinding,havetheareamarkedfor
undergroundutilitiesanddonotgrindinmarked
areas.
•Donotoperatethemachinewhenthereistherisk
oflighting.
MaintenanceandStorage
•Parkthemachineonalevelsurface,engagethe
parkingbrake,andshutofftheengine.Waitforall
movingpartstostopbeforeadjusting,cleaning,or
repairingthemachine.
•Cleandebrisfromthegrinder,drives,mufers,and
enginetohelppreventres.Wipeupanyspilled
oilorfuel.
•Allowtheenginetocoolbeforestoringanddonot
storethemachinenearames.
•Neverallowuntrainedpersonneltoservicethe
machine.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Keepyourhandsandfeetawayfromthemoving
parts.Ifpossible,donotmakeadjustmentswith
theenginerunning.
•Removethespark-plugwiresbeforemakingany
repairs.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
•Keepallnutsandboltstight.Keeptheequipment
ingoodcondition.
•Nevertamperwiththesafetydevices.
•Keepthemachinefreeofgrass,leaves,orother
debrisbuildup.Wipeupanyspilledoilorfuel.
Allowthemachinetocoolbeforestoring.
•Engagetheparkingbrake,shutofftheengine,
waitforallmovingpartstostop,andinspect
themachineifyoustrikeanobject.Makeany
necessaryrepairsbeforestartingthemachine.
•UseonlygenuineTororeplacementparts.
4

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
decal117-4979
117-4979
1.Entanglementhazard,belt—stayawayfrommovingparts;
keepallguardsandshieldsinplace.
decal119-4690
119-4690
1.Warning;cutting/dismembermenthazard,grinding
teeth—keephandsandfeetawayfromallmovingparts,
keepallshieldsinplace;waitforallmovingpartstostop.
decal119-4692
119-4692
1.Warning—shutofftheengine;usebothhandholdstolift
thegrinder.
decal119-4693
119-4693
1.Thrownobjecthazard—keepbystandersasafedistance
awayfromthemachine.
decal119-4721
119-4721
1.Engage3.Disengage,engineruns
2.Grindingteeth
decal130-8322
130-8322
1.Useonlyfuelwithan
alcoholcontentbyvolume
under10%.
3.Donotusefuelwithan
alcoholcontentbyvolume
greaterthan10%.
2.ReadtheOperator's
Manualformore
informationonfuel.
5

decal133-8056
133-8056
decal119-4701
119-4701
1.Warning—readtheOperator'sManual.5.Crushinghazardofhand—stayawayfrommovingparts;keep
allguardsandshieldsinplace.
2.Warning—donotoperatethismachineunlessyouaretrained.6.Explosionhazard;electricalshockhazard—donotdiginareas
withburiedutilitylines;contactlocalpowerorganizations
beforedigging.
3.Thrownobjecthazard—keepbystandersasafedistance
awayfromthemachine.
7.Warning—removethekey(ifapplicable)andreadthe
instructionsbeforeservicingorperformingmaintenance.
4.Thrownobjecthazard—weareyeprotection;pickupdebris
beforeoperatingthemachine.
decal132-4004
132-4004
1.Warning,cuttingwheel—toadjustthecuttingwheelteethbetweenjobs1)Loosenthenut;2)Pushthetoothdownandrotateit1/3
turn;3)Tightenthenutto68N·m(50ft-lb);4)Proceedwithgrinding.
6

ProductOverview
g205066
Figure3
1.Throttlelever8.Cuttingwheel
2.Hourmeter9.Beltcover
3.Cycloneairlter10.Lifthandle
4.Chokelever11.Fuelcap
5.Fuelvalve12.Parkingbrake
6.Sedimentcup13.Safetybail
7.Starter14.Handle
Controls
Becomefamiliarwithallthecontrols(Figure3)before
youstarttheengineandoperatethemachine.
SafetyBail
Thesafetybailcontrolstheengine.Holdthesafety
bailagainstthehandlewhenyoustarttheengineand
usethemachine.Releasethesafetybailtoshutoff
theengine(Figure3).
ThrottleLever
Thethrottlelevercontrolsenginespeed.Withthe
leverdown,intheDISENGAGEposition,theengine
runsatidle.Thisisalsothestartingposition.When
theenginespeedincreases,totheENGAGEDposition,
thecentrifugalclutchengagesandthecuttingwheel
rotates.
g014499
Figure4
1.Throttle—Disengage
position
2.Throttle—Engaged
position
ParkingBrake
Theparkingbrakeholdstheleftwheelfromturningto
securethemachineandforeasymovementofthe
machinefromsidetosidewhengrindingastump
(Figure5).
g205069
Figure5
1.Parkingbrake(engaged)2.Parkingbrake
(disengaged)
HourMeter
Thehourmeterdisplaysthenumberofhoursof
operationthathavebeenloggedonthemachine.
ChokeLever
Usethechokelever(Figure3)tostartacoldengine.
Beforepullingtherecoil-starthandle,movethechoke
levertotheCLOSEDposition.Oncetheengineis
running,movethechokelevertotheOPENposition.
Donotusethechokeiftheengineisalreadywarmed
uporiftheairtemperatureishigh.
7

Recoil-StartHandle
Tostarttheengine,pulltherecoil-starthandle(Figure
6)quicklytoturntheengineover.RefertoStartingthe
Engine(page10)forthecorrectstartingprocedure.
FuelValve
Thefuelvalve(Figure6)islocatedunderneaththe
chokelever.Movetheleverforthefuelvalvetothe
ONpositionbeforeattemptingtostarttheengine.
g015174
Figure6
1.Choke3.Recoil-starthandle
2.Fuelvalve
Specications
Note:Specicationsanddesignaresubjectto
changewithoutnotice.
CuttingDepth30cm(12inches)
Length193cm(76inches)
Width75cm(29.5inches)
Height107cm(42inches)
Weight109kg(240lb)
Attachments/Accessories
AselectionofT oroapprovedattachmentsand
accessoriesisavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorauthorizedT oro
distributororgotowww.T oro.comforalistofall
approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineToro
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Important:Beforeoperatingthemachine,check
theuidlevels,andremovedebrisfromthe
machine.Ensurethattheareaisclearofpeople
anddebris.Youshouldalsoknowandhave
markedthelocationsofallutilitylines.
BeforeYouStart
•Digawaytheearthandremoveanystonesnear
thetreestumpthatmayinterferewithyourwork.
Checkthatthegroundisfreeofforeignobjects,
suchaselectricalcables,barbedwire,etc.
•Cutortrimthestumpusingapowersaw.
•Reviewallthesafetydecalsonthemachine.
•Ensurethatyouarefamiliarwithsafetyregulations
andshutdownproceduresdescribedinthis
manual.
•Ensurethatallguardsareinplaceandingood
condition.
•Ensurethatthebladesandcuttersareinplace
andingoodcondition.
•Ensurethattheworkarea,cutter,andstumpin
particulararefreefrommetallicobjectssuchas
wire,nails,etc.thatcouldbethrownoutandinjure
personsinthevicinityanddamagetheequipment.
AddingFuel
DANGER
Incertainconditions,fuelisextremely
ammableandhighlyexplosive.Areor
explosionfromfuelcanburnyouandothers
andcandamageproperty.
•Fillthefueltanksoutdoors,inanopen
area,whentheengineiscold.Wipeupany
fuelthatspills.
•Neverllthefueltanksinsideanenclosed
trailer.
•Neversmokewhenhandlingfuelandstay
awayfromanopenameorwherefuel
fumesmaybeignitedbyaspark.
•Storefuelinanapprovedcontainerand
keepitoutofthereachofchildren.Never
buymorethana30-daysupplyoffuel.
•Donotoperatewithoutentireexhaust
systeminplaceandinproperworking
condition.
8

DANGER
Incertainconditionsduringfueling,static
electricitycanbereleased,causingaspark
thatcanignitethefuelvapors.Areor
explosionfromfuelcanburnyouandothers
andcandamageproperty.
•Alwaysplacefuelcontainersontheground
awayfromyourvehiclebeforelling.
•Donotllfuelcontainersinsideavehicle
oronatruckortrailerbed,becauseinterior
carpetsorplastictruckbedlinersmay
insulatethecontainerandslowthelossof
anystaticcharge.
•Whenpractical,removeequipmentfrom
thetruckortrailerandrefueltheequipment
withitswheelsontheground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfroma
portablecontainerratherthanfroma
fuel-dispensernozzle.
•Ifyoumustuseafuel-dispensernozzle,
keepthenozzleincontactwiththerimof
thefueltankorcontaineropeningatall
timesuntilfuelingiscomplete.
WARNING
Fuelisharmfulorfatalifswallowed.
Long-termexposuretovaporscancause
seriousinjuryandillness.
•Avoidprolongedbreathingofvapors.
•Keepyourfaceawayfromthenozzleand
fueltankopening.
•Keepfuelawayfromyoureyesandskin.
RecommendedFuel
•Forbestresults,useonlyclean,fresh(lessthan
30daysold),unleadedgasolinewithanoctane
ratingof87orhigher((R+M)/2ratingmethod).
•Ethanol:Gasolinewithupto10%ethanol
(gasohol)or15%MTBE(methyltertiarybutyl
ether)byvolumeisacceptable.Ethanoland
MTBEarenotthesame.Gasolinewith15%
ethanol(E15)byvolumeisnotapprovedforuse.
Neverusegasolinethatcontainsmorethan
10%ethanolbyvolume,suchasE15(contains
15%ethanol),E20(contains20%ethanol),orE85
(containsupto85%ethanol).Usingunapproved
gasolinemaycauseperformanceproblemsand/or
enginedamagewhichmaynotbecoveredunder
warranty.
•Donotusegasolinecontainingmethanol.
•Donotstorefueleitherinthefueltankorfuel
containersoverthewinterunlessyouuseafuel
stabilizer.
•Donotaddoiltogasoline.
UsingStabilizer/Conditioner
Usefuelstabilizer/conditionerinthemachineatall
timestokeepthefuelfreshlongerwhenusedas
directedbythefuel-stabilizermanufacturer.
Important:Donotusefueladditivescontaining
methanolorethanol.
Addtheamountoffuelstabilizer/conditionertofresh
fuelasdirectedbythefuel-stabilizermanufacturer.
FillingtheFuelTank
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandallowtheenginetocool.
3.Cleanaroundthefuel-tankcapandremoveit
(Figure7).
g014513
Figure7
1.Fuel-tankcap
4.Fillthetankwithfueltoabout6to13mm(1/4to
1/2inch)belowthebottomofthellerneck.
Important:Thisspaceinthetankallows
fueltoexpand.Donotllthefueltank
completelyfull.
5.Installthefuel-tankcapsecurely.
6.Wipeupanyspilledfuel.
9

PerformingDaily
Maintenance
Beforestartingthemachineeachday,performthe
EachUse/DailyprocedureslistedinMaintenance
(page12).
StartingtheEngine
1.MovethefuelvalvetotheOPENposition,allthe
waytotheright(Figure8).
g015174
Figure8
1.Chokelever3.Recoil-starthandle
2.Fuelvalve
2.MovethechokelevertotheONposition(Figure
8).
Note:Awarmorhotenginemaynotrequire
choking.
3.MovethethrottlelevertotheDISENGAGE
position.
4.Holdthesafetybailagainstthehandleandpush
thehandledownenoughtoraisethecutting
wheelofftheground.
5.Pulltherecoil-starthandlelightlyuntilyoufeel
resistance,thenpullthehandlebriskly(Figure
8).Returntherecoil-starthandlegently.
6.Aftertheenginestarts,graduallymovethe
chokeleverbacktotheOFFposition.Ifthe
enginestallsorhesitates,movethechokeback
totheONpositionagainuntiltheenginewarms
up.ThenmoveittotheOFFposition.
ShuttingOfftheEngine
1.MovethethrottletotheDISENGAGEposition.
Note:Iftheenginehasbeenworkinghardor
ishot,letitrunforaminutebeforereleasingthe
safetybail.Thishelpstocooltheenginebefore
shuttingitoff.Inanemergency,theenginemay
beshutoffimmediately.
2.Releasethesafetybailtoshutofftheengine.
3.MovethefuelvalvetotheCLOSEDposition,all
thewaytotheleft.
GrindingaStump
DANGER
Thismachineiscapableofamputatinghands
andfeet.
•Alwayswearsubstantial,slip-resistant
footwear.
•Stayintheoperatingpositionwhilethe
machineisrunning,andkeepawayfrom
movingparts.
•Keepallbystandersasafedistanceaway
fromthemachine.
•Stopthemachineimmediatelyifany
peopleoranimalsentertheworkarea.
WARNING
Grindingastumpthrowswoodchips,soil,
andotherdebrisintotheair,whichcould
injureyouorbystanders.
•Alwaysweareyeprotectionandlongpants
whenusingthegrinder.
•Keepallbystandersasafedistanceaway
fromthegrinder.
WARNING
Thegrinderisveryloudwhencuttingastump
andcandamageyourears.
Alwayswearhearingprotectionwhenusing
thegrinder.
1.SetthrottletotheDISENGAGEposition,startthe
engine,andallowthemachinetowarmupfor
2minutes.
2.Pushthehandledownenoughtoraisethe
cuttingwheelofftheground(Figure9).
10

g024547
Figure9
1.Pivotpoint2.Pivotpointwhenthe
parkingbrakeisengaged
3.Movethemachinetothefrontofthestumpand
engagetheparkingbrake.
4.MovethrottleuptotheENGAGEposition.The
cuttingwheelwillbeginrotating.
5.Swingthecuttingwheelto1side(Figure9),
thenloweritapproximately1to2.5cm(1/2to1
inch)intothefront-topcornerofthestump.
g024062
Figure10
6.Usingasweepingmotion,swingthecutting
wheelbackandforth,loweringthecuttingwheel
approximately1to2.5cm(1/2to1inch)before
eachsweep,untilyouhaveremovedthefront
portionofthestumptogroundlevel(Athrough
DinFigure10).
7.Raisethecuttingwheel,releasetheparking
brake,andmovethemachineforwardafew
centimeters(inches).Engagetheparkingbrake.
8.Repeatsteps5and7untilyouhavecompletely
removedthestump(EthroughHinFigure10).
9.MovethrottletotheDISENGAGEposition,push
thehandledownenoughtoraisethecutting
wheelofftheground.Waitforthecuttingwheel
tostoprotatingthenreleasetheparkingbrake
andpullthemachineawayfromthestump.
Note:Donotletthefrontofthemachinetouch
thegrounduntilthecuttingwheelhasstopped
turning.
10.Shutofftheengine;refertoShuttingOffthe
Engine(page10).
LiftingtheMachine
UsethehandlesshowninFigure11asliftpoints.
g205090
Figure11
1.Lifthandle(4)
11

Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
Important:Youcantipthemachinebackwardoronitssidetocleanorserviceit,butnolongerthan2
minutes.Ifyouholdthemachineinthispositionfortoolong,fuelcandrainintothecrankcaseand
damagetheengine.Shouldthishappen,performanextraoilchangeontheengine,thenturntheengine
overafewrevolutionswiththestarterhandlebeforestartingtheengineagain.
RecommendedMaintenanceSchedule(s)
MaintenanceService
IntervalMaintenanceProcedure
Aftertherst20hours•Changetheengineoil.
Beforeeachuseordaily
•Greasethemachine.
•Checktheairlter(moreoftenindirtyordustyconditions).
•Checktheengine-oillevel.
•Cleantheenginescreen.
•Checkthedrive-belttension.
•Checktheconditionoftheteeth;rotateorreplaceanythatarewornordamaged
andtorquethenutsforallteeth.
•Removedebrisfromthemachine.
Every50hours•Servicetheairlter
Every100hours
•Changetheengineoil.
•Checkthesparkplug.
•Cleanthesedimentcup.
•Replacethedrivebelt.
Every300hours•Replacethesparkplug.
Every600hours•Replacetheairlter.
Yearlyorbeforestorage•Changetheengineoil.
•Cleanthesedimentcup.
Important:Refertoyourengineowner’smanualforadditionalmaintenanceprocedures.
Lubrication
GreasingtheMachine
ServiceInterval:Beforeeachuseordaily
GreaseType:General-purposegrease.
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.Cleanthegreasettingswitharag.
4.Connectagreaseguntoeachtting.
5.Lubricatethe2ttings,1oneachcutting-wheel
bearing.
6.Pumpgreaseintothettingsuntilgreasebegins
tooozeoutofthebearings(approximately3
pumps).
Important:Pumpgreaseinslowlyand
carefullytopreventdamagetothebearing
seals.
7.Wipeupanyexcessgreasefromthettingand
bearingarea.
g024551
Figure12
12

EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily—Check
theairlter(moreoftenindirtyor
dustyconditions).
Every50hours/Every3months(whichever
comesrst)—Servicetheairlter
Every600hours/Every2years(whichever
comesrst)—Replacetheairlter.
Thecycloneairltercollectsthelargestcontaminant
particles,whichcollectinthecontainer.Whenyou
canseealayerofdirtatthebottomofthecontainer,
cleanthecyclonehousing,airchannels,andair-intake
screen.
ServicingtheCycloneHousing
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.Removethe3screwsholdingthecyclone
housingtotheair-cleanercover.
4.Removethehousingwiththeair-intakescreen
andremovetheairchannels.
g014508
Figure13
1.Air-cleanercover3.Airchannels
2.Screw4.Cyclonehousingwith
air-intakescreen
Note:Theairchannelsmayremaininthe
upperportionorfollowalongwiththehousing
whenremoved.
5.Cleanthecomponentswithwater,detergent,
andabrushthendrythecomponentscarefully.
6.Placetheairchannelsinthecyclonehousing.
7.Insertcyclonehousingintopositionandmake
surethatittsintheupperportion.
Important:Donotuseforce;alignitinplace
beforettingthescrews.
8.Securethecyclonehousingusingthe3screws.
ServicingtheAir-CleanerElements
RemovingtheFoamandPaperElements
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.Removethewingnutandliftofftheair-cleaner
coverwiththeair-ltercowling(Figure14).
g014509
Figure14
1.Wingnut4.Paperelement
2.Air-cleanercover5.Stud
3.Foamelement
4.Removethefoamelement(Figure14).
5.Removethewingnutontopofthepaper
elementandremovethepaperelement(Figure
14).
13

ServicingtheFoamAir-CleanerElement
1.Washthefoamelementusingamilddetergent
andwater.
2.Squeezeitdrywithacleancloth.
3.Soakitwithnewengineoil.
4.Gentlysqueezeoutexcessoilfromtheelement
inanabsorbentcloth.
ServicingthePaperAir-CleanerElement
1.Cleanthepaperelementbytappingitgentlyto
removedust.Ifitisverydirty,replacethepaper
element(Figure14).
2.Inspecttheelementfortears,anoilylm,or
damagetotherubberseal.
3.Replacethepaperelementifitisdamaged.
Important:Donotcleanthepaperlter.
InstallingtheFoamandPaperElements
1.Mountthepaperelementintheair-cleaner
housingandsecureitwiththewingnut.
2.Positionthefoamelementoverthepaper
element.
3.Installtheair-cleanercoverandsecureitwith
thewingnut.
ServicingtheEngineOil
ServiceInterval:Beforeeachuseordaily—Check
theengine-oillevel.
Aftertherst20hours—Changetheengineoil.
Every100hours—Changetheengineoil.
Yearlyorbeforestorage—Changetheengine
oil.
Engine-OilSpecications
Note:Changetheoilmorefrequentlywhenthe
operatingconditionsareextremelydustyorsandy.
OilType:DetergentoilwithanAPIserviceofSJor
higher.
CrankcaseCapacity:1.1L(37oz)
Viscosity:Refertothegurebelow.
g013375
Figure15
CheckingtheEngine-OilLevel
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.Checktheengine-oillevelasshowninFigure
16.
14

g205123
g035136
Figure16
ChangingtheEngineOil
1.Starttheengineandletitrunfor5minutes.
Note:Thiswarmstheoilsothatitdrainsbetter.
2.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
3.Shutofftheengineandwaitforallmovingparts
tostop.
4.Changetheoilasshownin(Figure17).
g205123
g031623
Figure17
5.Slowlypourapproximately80%ofthespecied
oilintothellertubeandslowlyaddthe
additionaloiltobringittotheFullmark(Figure
18).
15

g206640
Figure18
6.Disposeoftheusedoilatarecyclingcenter.
ServicingtheSparkPlug
ServiceInterval:Every100hours—Checkthespark
plug.
Every300hours—Replacethesparkplug.
Ensurethattheairgapbetweenthecenterandside
electrodesiscorrectbeforeinstallingthesparkplug.
Useasparkplugwrenchforremovingandinstalling
thesparkplugandagappingtool/feelergaugeto
checkandadjusttheairgap.Installanewsparkplug
ifnecessary.
Type:BPR6ES(NKG)orequivalent
AirGap:0.70to0.80mm(0.28to0.031inch)
RemovingtheSparkPlug
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengine,waitforallmovingpartsto
stop,andallowtheenginetocool.
3.Locateandremovethesparkplug(Figure19).
g205129
g027478
Figure19
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithas:a
blackcoating,wornelectrodes,anoilylm,or
cracks.
Ifyouseelightbrownorgrayontheinsulator,the
engineisoperatingproperly.Ablackcoatingonthe
insulatorusuallymeanstheaircleanerisdirty.
Setthegapto0.70to0.80mm(0.28to0.031inch).
g027479
Figure20
16

InstallingtheSparkPlug
g028109
Figure21
CleaningtheEngineScreen
ServiceInterval:Beforeeachuseordaily
Beforeeachuse,removeanybuildupofgrass,
dirt,orotherdebrisfromtheenginescreen.This
helpsensureadequatecoolingandcorrectengine
speedandreducesthepossibilityofoverheatingand
mechanicaldamagetotheengine.
g242388
Figure22
FuelSystem
Maintenance
CleaningtheSedimentCup
ServiceInterval:Every100hours
Yearlyorbeforestorage
Underneaththefuelvalveisasedimentcuptocatch
dirtinthefuel.
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.MovethefuelvalvetotheOFFposition,allthe
waytotheleft.
4.Unscrewthesedimentcup(Figure23).
g014507
Figure23
1.Sedimentcup2.O-ring
5.CleanthereservoirandtheO-ringusinga
cleaningsolventanddrycarefully.
Note:MakesurenottomisplacetheO-ring.
6.PlacetheO-ringinthegrooveofthecupand
replacethesedimentcup.
7.TurnthefuelvalvetotheONposition,alltheway
totheright,andcheckforleaks.
Note:Ifitleaks,replacetheO-ring.
17

BrakeMaintenance
AdjustingtheParking
Brake
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.Loosenthesetscrewonthesideofthe
brake-leverknob.Turntheknobclockwiseto
tightenthebrake;turntheknobcounterclockwise
toloosenthebrake.
Note:Theleftwheelshouldlockcompletely
whenyouengagethebrake.
4.Tightenthesetscrew.
BeltMaintenance
AdjustingtheDrive-Belt
Tension
ServiceInterval:Beforeeachuseordaily
Note:Inspectthedrivebeltthroughtheslotontopof
thebeltcover.Adjustasrequired.
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.Loosenthe2boltssecuringthebeltguardto
machineuntilyoucanremovethebeltguard
(Figure24).
Note:Theboltsandwasherswillremain
attachedtothebeltguard.
g205161
Figure24
1.Beltguard2.Boltandwasher(2)
4.Removethebeltguard(Figure24).
5.Loosenthe4engine-platemountingboltsand
the2boltssecuringtherearofthebeltguardto
theengine(Figure25andFigure26).
18

g242386
Figure25
1.Bolt
6.Loosenthebelt-tensionboltandjamnut.Slide
theenginetowardtheywheelhousingtoloosen
thebelt(Figure26).
g016617
Figure26
1.Tensionboltandjam2.Engineplatemountingbolt
7.Adjustthedrive-belttensionbytightening
tensionboltandjamnutagainsttheengine
mountingplate,pushingtheenginerearward.
8.Layastraightedgeacrosstheclutchand
ywheelpulleys.Tightenthebelt-tensionbolt
sothatthereis10mm(0.40inch)ofexinthe
beltwhenpushingdownwith6.8kg(15lb)force
atmid-span(whenre-tensioningabeltinuse),
orwith8kg(18lb)forcewheninstallinganew
belt(Figure27).
g017434
Figure27
1.Straightedge2.Flexof1cm(0.40inch)
9.Ensurethatthepulleysarealignedandthe
engineisparallelwiththeframe(notangled
towardtheside),thentightenthe4engine-plate
mountingboltsandthe4boltssecuringtherear
ofthebeltguardtotheengine.
10.Installthebeltguardandtightenthebolts
(Figure24).
ReplacingtheDriveBelt
ServiceInterval:Every100hours
Note:Replacethebeltifitshowsanysignsofwear,
cracks,glazing,ordamage.
1.Parkthemachineonalevelsurfaceandengage
theparkingbrake.
2.Shutofftheengineandwaitforallmovingparts
tostop.
3.Loosentheboltssecuringthebeltguardto
machineuntilyoucanremovethebeltguard.
4.Removethebeltguard(Figure24).
5.Loosenthe4engine-platemountingboltsand
the2boltssecuringtherearofthebeltguardto
theengine(Figure25andFigure26).
6.Loosenthebelttensionboltandjamnutand
slidetheenginetowardtheywheelhousingto
loosenthebelt(Figure26).
7.Replacethedrivebelt.
8.Adjustthetensionofthenewbeltto8kg(18
lb)forceand10mm(0.40inch)beltdeection
atmid-span;refertoAdjustingtheDrive-Belt
Tension(page18).
9.Tightenthe4engine-platemountingboltsand
the4boltssecuringtherearofthebeltguard
totheengine.
10.Installthebeltguardandsecureitwiththe
previouslyremovedwashersandbolts.
19

GrinderMaintenance
ReplacingtheTeeth
ServiceInterval:Beforeeachuseordaily—Check
theconditionoftheteeth;rotate
orreplaceanythatarewornor
damagedandtorquethenutsforall
teeth.
Duetothehighamountofwearplacedontheteeth,
youneedtorotateandreplacethemperiodically
(Figure28).Beforeyourotateorreplacethem,
inspecteachtoothholderonthewheel,includingthe
atlandsthatpreventtheteethfromrotating.Ifthe
toothholderisdamaged,replacethewheel.Torque
thenuts68N∙m(50ft-lb)foranyteeththatyouare
notrotatingorreplacing.
g034325
Figure28
1.Sharptooth2.Worntooth
Eachtoothisindexedwith3positionssoyoucan
rotateittwice,exposinganewsharpedgebefore
replacingthetooth.T orotateatooth,loosenthenut
securingthetooth(Figure29).Pushthetoothforward
androtateit1/3ofaturn,bringinganunusededgeto
theoutside.T orquethenutsecuringthetoothto68
N∙m(50ft-lb).
Toreplaceatooth,removethenutsecuringthetooth,
theninstallanewtooth,washer,andnutinthesame
position(Figure29).T orquethenutsecuringthetooth
to68N∙m(50ft-lb).
g034223
Figure29
1.Tooth4.Nut
2.Toothholder5.Flatland
3.Washer
20