Toro SGR-6 22600 User manual

FormNo.3404-442RevA
SGR-6StumpGrinder
ModelNo.22600—SerialNo.316000001andUp
ModelNo.22600HD—SerialNo.316000001andUp
G025787
Registeratwww.Toro.com.
OriginalInstructions(EN)*3404-442*A

WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
DANGER
Theremaybeburiedpower,gas,and/ortelephone
linesintheworkarea.Shockorexplosionmay
occurifyoudigintothem.
Havethepropertyorworkareamarkedforburied
linesanddonotdiginmarkedareas.Contactyour
localmarkingserviceorutilitycompanytohavethe
propertymarked(forexample,intheUnitedStates,
call811forthenationwidemarkingservice).
ThissparkignitionsystemcomplieswithCanadianICES-002.
Becauseinsomeareastherearelocal,state,orfederal
regulationsrequiringthatasparkarresterbeusedonthe
engineofthismachine,asparkarresterisavailableas
anoption.Ifyourequireasparkarrester,contactyour
AuthorizedToroServiceDealer.
GenuineTorosparkarrestersareapprovedbytheUSDA
ForestryService.
ItisaviolationofCaliforniaPublicResourceCode
Section4442or4443touseoroperatetheengineonany
forest-covered,brush-covered,orgrass-coveredlandunless
theengineisequippedwithasparkarrester,asdenedin
Section4442,maintainedineffectiveworkingorderorthe
engineisconstructed,equipped,andmaintainedforthe
preventionofre.
Theenclosed
Engine Owner's Man ual issuppliedfor
informationregardingtheUSEnvironmentalProtection
Agency(EPA)andtheCaliforniaEmissionControl
Regulationofemissionsystems,maintenance,and
warranty.Replacementsmaybeorderedthroughthe
enginemanufacturer.
Introduction
Thismachineisdesignedtogrindandremovetreestumps
andsurfaceroots.Itisnotintendedtocutrockoranyother
materialotherthanwoodandthesoilaroundastump.
Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely.
YoumaycontactTorodirectlyatwww.Toro.comforproduct
safetyandoperationtrainingmaterials,accessoryinformation,
helpndingadealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourproductready.Figure1illustratesthelocationofthe
modelandserialnumbersontheproduct.Writethenumbers
inthespaceprovided.
G025788
Figure1
1.Modelandserialnumberplate
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafety-alertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
©2016—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved

Figure2
1.Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
Contents
Safety...........................................................................3
SafeOperatingPractices...........................................3
SafetyandInstructionalDecals.................................5
ProductOverview..........................................................7
Controls................................................................7
Specications.........................................................9
Attachments/Accessories.........................................9
Operation.....................................................................9
BeforeStarting........................................................9
AddingFuel...........................................................10
CheckingtheEngine-OilLevel.................................11
StartingandShuttingOfftheEngine.........................12
GrindingaStump...................................................12
Maintenance.................................................................14
RecommendedMaintenanceSchedule(s)......................14
EngineMaintenance..................................................14
ServicingtheAirCleaner.........................................14
ServicingtheEngineOil..........................................15
ServicingtheSparkPlug..........................................16
BeltMaintenance......................................................17
CheckingtheDriveBeltTension...............................17
AdjustingtheDriveBelt..........................................18
GrinderMaintenance..................................................18
ReplacingtheTeeth................................................18
Cleaning...................................................................19
RemovingDebrisfromtheMachine..........................19
Storage........................................................................20
StoringtheMachine................................................20
Troubleshooting...........................................................21
Safety
Improperuseormaintenancebytheoperatororownercan
resultininjury.Toreducethepotentialforinjury,comply
withthesesafetyinstructionsandalwayspayattentiontothe
safety-alertsymbol,whichmeans:Caution,Warning,or
Danger—personalsafetyinstruction.Failuretocomplywith
theinstructionmayresultinpersonalinjuryordeath.
SafeOperatingPractices
Thisproductiscapableofamputatinghandsandfeet.Always
followallsafetyinstructionstoavoidseriousinjuryordeath.
WARNING
Engineexhaustcontainscarbonmonoxide,an
odorless,deadlypoisonthatcankillyou.
Donotruntheengineindoorsorinanenclosed
area.
Training
•ReadtheOperator'sManualandothertrainingmaterial.If
theoperator(s)ormechanic(s)can’treadEnglish,itisthe
owner'sresponsibilitytoexplainthismaterialtothem.
•Becomefamiliarwiththesafeoperationoftheequipment,
operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.The
ownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperateorservice
theequipment.Localregulationsmayrestricttheageof
theoperator.
•Theowner/usercanpreventandisresponsiblefor
accidentsorinjuriesoccurringtohimselforherself,other
peopleorproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessoriesand
attachmentsareneededtoproperlyandsafelyperform
thejob.Onlyuseaccessoriesandattachmentsapproved
bythemanufacturer.
•Wearappropriateclothingincludinggloves,safetyglasses,
longpants,substantialslip-resistantfootwear,andhearing
protection.Tiebacklonghairanddonotwearjewelry.
•Inspecttheareawheretheequipmentistobeusedand
removeallobjectssuchasrocks,toys,andwirewhichcan
bethrownbythemachine.
•Useextracarewhenhandlinggasolineandotherfuels.
Theyareammableandvaporsareexplosive.
–Useonlyanapprovedcontainer
–Neverremovethefuelcaporaddfuelwiththeengine
running.Allowtheenginetocoolbeforerefueling.
Donotsmoke.
–Neverrefuelordrainthemachineindoors.
3

•Checkthattheoperatorpresencecontrols,safetyswitches,
andshieldsareattachedandfunctioningproperly.Donot
operateunlesstheyarefunctioningproperly.
•Checkthatthecuttingwheelhasstoppedrotatingwhen
youreducethethrottle.
Operation
•Neverrunanengineinanenclosedarea.
•Onlyoperateingoodlight,keepingawayfromholesand
hiddenhazards.
•Besurealldrivesareinneutralbeforestartingtheengine.
Onlystarttheenginefromtheoperator'sposition.
•Neveroperatewiththeguardsnotsecurelyinplace.Be
sureallinterlocksareattached,adjustedproperly,and
functioningproperly.
•Donotchangetheenginegovernorsettingoroverspeed
theengine.
•Stoponlevelground,lowerthegrinder,andshutoff
theenginebeforeleavingtheoperator'spositionforany
reason.
•Keephandsandfeetawayfromthemovinggrinderwheel
andteeth.
•Lookbehindanddownbeforebackinguptobesureof
aclearpath.
•Keeppetsandbystandersaway.
•Donotoperatethemachinewhileill,tired,orunderthe
inuenceofalcoholordrugs.
•Usecarewhenloadingorunloadingthemachineintoa
trailerortruck.
•Ensurethattheareaisclearofotherpeoplebefore
operatingthemachine.Stopthemachineifanyoneenters
thearea.
•Neverleavearunningmachineunattended.Alwaysshut
offtheengineandverifythecuttingwheelshasstopped
rotating.
•Neverjerkthecontrols;useasteadymotion.
•Watchfortrafcwhenoperatingnearorcrossing
roadways.
•Donottouchpartswhichmaybehotfromoperation.
Allowthemtocoolbeforeattemptingtomaintain,adjust,
orservice.
•Ensurethatyouoperatethemachineinareaswhere
therearenoobstaclesincloseproximitytotheoperator.
Failuretomaintainadequatedistancefromtrees,walls,
andotherbarriersmayresultininjuryasthemachine
backsupduringoperationiftheoperatorisnotattentive
tothesurroundings.Onlyoperatetheunitinareaswhere
thereissufcientclearancefortheoperatortosafely
maneuvertheproduct.
•Beforegrinding,havetheareamarkedforunderground
utilities,anddonotgrindinmarkedareas.
•Locatethepinchpointareasmarkedonthemachineand
keephandsandfeetawayfromtheseareas.
•Lightningcancausesevereinjuryordeath.Iflightning
isseenorthunderisheardinthearea,donotoperate
themachine;seekshelter.
MaintenanceandStorage
•Shutofftheengine.Waitforallmovementtostopbefore
adjusting,cleaning,orrepairing.
•Cleandebrisfromthegrinder,drives,mufers,andengine
tohelppreventres.Cleanupoilorfuelspillage.
•Lettheenginecoolbeforestoringanddonotstorenear
ame.
•Donotstorefuelnearamesordrainindoors.
•Parkthemachineonlevelground.Neverallowuntrained
personneltoservicethemachine.
•Carefullyreleasepressurefromcomponentswithstored
energy.
•Removethesparkplugwirebeforemakinganyrepairs.
•Keephandsandfeetawayfrommovingparts.Ifpossible,
donotmakeadjustmentswiththeenginerunning.
•Keepallpartsingoodworkingconditionandallhardware
tightened.Replaceallwornordamageddecals.
•Keepnutsandboltstight.Keepequipmentingood
condition.
•Nevertamperwithsafetydevices.
•Keepthemachinefreeofgrass,leaves,orotherdebris
build-up.Cleanupoilorfuelspillage.Allowthemachine
tocoolbeforestoring.
•Useextracarewhenhandlinggasolineandotherfuels.
Theyareammableandvaporsareexplosive.
–Useonlyanapprovedcontainer.
–Neverremovethefuelcaporaddfuelwhenthe
engineisrunning.Allowtheenginetocoolbefore
refueling.Donotsmoke.
–Neverrefuelthemachineindoors.
–Neverstorethemachineorfuelcontainerinside
wherethereisanopename,suchasnearawater
heaterorfurnace.
–Neverllacontainerwhileitisinsideavehicle,trunk,
pick-upbed,oranysurfaceotherthantheground.
–Keepcontainernozzleincontactwiththetankduring
lling.
•Stopandinspecttheequipmentifyoustrikeanobject.
Makeanynecessaryrepairsbeforerestarting.
•UseonlygenuineTororeplacementpartstoensurethat
originalstandardsaremaintained.
4

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.
117-2718
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.
119-4692
1.Warning—stoptheengine;usebothhandholdstoliftthe
grinder.
119-4693
1.Thrownobjecthazard—keepbystandersasafedistance
fromthemachine.
119-4722
1.Engine—run
2.Grinderblade—engage
5

130-8322
1.Onlyusefuelwithan
alcoholcontentbyvolume
under10%.
3.Donotusefuelwithan
alcoholcontentbyvolume
greaterthan10%.
2.ReadtheOperator's
Manualformore
informationonfuel.
132-4004
1.Warning,cuttingwheel—toadjustthecuttingwheelteethbetweenjobs1)Loosenthenut;2)Pushthetoothdownandrotateit1/3
ofaturn;3)Tightenthenutto50ft-lbs;4)Proceedwithgrinding.
6

ProductOverview
G025789
1
2
3
4
5
6
7
8
9
10
11
12
13
Figure3
1.Handle8.Starter
2.Throttlelever9.Cuttingwheel
3.Handle-releaseknob10.Lift
4.Airlter11.Beltcover
5.Sedimentcup12.Fuelcap
6.Fuelvalve13.Safetybail
7.Choke
Controls
Becomefamiliarwithallthecontrols(Figure3andFigure6)
beforeyoustarttheengineandoperatethemachine.
Handle-ReleaseKnob
Thehandleonthismachinehasthecapabilitytobefolded
downforeasiertransport.Unscrewthehandle-releaseknob
fromthemachine(Figure4).
g014871
1
Figure4
1.Handle-releaseknob
Foldthehandledowntowardthemachineandscrewthe
knobbackontothehandle(Figure5).
g014870
Figure5
7

ThrottleLeverandSafetyBail
Thethrottlelevercontrolstheenginespeed.Withthelever
released,inthedisengagedposition,theenginerunsatidle.
Thisisalsothestartingposition.Whenyoupulltheleverto
thehandle,theenginespeedincreases,thecentrifugalclutch
engages,andthecuttingwheelrotates.
Thesafetybailcontrolstheengine.Holdthesafetybail
againstthehandletodeactivatetheenginekillswitchsothat
theenginestarts.Releasethesafetybailtoshutofftheengine.
g014874
2
1
Figure6
1.Throttlelever2.Safetybail
ParkingBrake
Theparkingbrake(Figure6andFigure7)holdstheleftwheel
fromturningtosecurethemachineandforeasymovement
ofthemachinefromsidetosidewhengrindingastump.
g014872
Figure7
1.Engagedbrake
g014873
Figure8
1.Disengagedbrake
8

Specications
Note:Specicationsanddesignaresubjecttochange
withoutnotice.
CuttingDepth30cm(12inches)
Length127cm(50inches)
Width56cm(22inches)
Height107cm(42inches)
Weight47kg(103lb)
Attachments/Accessories
AselectionofToroapprovedattachmentsandaccessoriesis
availableforusewiththemachinetoenhanceandexpand
itscapabilities.ContactyourAuthorizedServiceDealeror
Distributororgotowww.Toro.comforalistofallapproved
attachmentsandaccessories.
Operation
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
Important:Beforeoperating,checkthefuelandoil
level,andremovedebrisfromthemachine.Also,ensure
thattheareaisclearofpeopleanddebris.Youshould
alsoknowandhavemarkedthelocationsofallutility
lines.
BeforeStarting
•Digawaytheearthandremoveanystonesnearthetree
stumpthatmayinterferewithyourwork.Checkthatthe
groundisfreeofforeignobjects,suchaselectricalcables,
barbedwire,etc.
•Cutortrimthestumpusingapowersaw .
•Reviewallthesafetydecalsonthemachine.
•Useahard-hat,hearing,andeyeprotection.Amesh
visoralonedoesnotprovidesufcienteyeprotection;
supplementwithprotectiveglasses.
•Ensurethatyouarefamiliarwithsafetyregulationsand
shutdownproceduresdescribedinthismanual.
•Ensurethatallguardsareinplaceandingoodcondition.
•Ensurethatthebladesandcuttersareinplaceandin
goodcondition.
•Ensurethattheworkarea,cutter,andstumpinparticular
arefreefrommetallicobjectssuchaswire,nails,etc.that
couldbethrownoutandinjurepersonsinthevicinity
anddamagetheequipment.
•Ensurethateveryone,includingchildrenandanimals,
maintainadistanceofatleast15m(50feet)fromthe
machine.Debriscanbethrownoutandinjurepeople
andanimals.
9

AddingFuel
Useunleadedgasoline(87pumpoctaneminimum).Leaded,
regulargasolinemaybeusedifunleadedisnotavailable.
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.
•Donotoperatewithoutentireexhaustsystemin
placeandinproperworkingcondition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleasedcausingasparkwhich
canignitethegasolinevapors.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Alwaysplacegasolinecontainersontheground
awayfromyourvehiclebeforelling.
•Donotllgasolinecontainersinsideavehicleor
onatruckortrailerbedbecauseinteriorcarpets
orplastictruckbedlinersmayinsulatethe
containerandslowthelossofanystaticcharge.
•Whenpractical,removegas-poweredequipment
fromthetruckortrailerandrefueltheequipment
withitswheelsontheground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfromaportable
container,ratherthanfromagasolinedispenser
nozzle.
•Ifyoumustuseagasolinedispensernozzle,
keepthenozzleincontactwiththerimofthe
fueltankorcontaineropeningatalltimesuntil
fuelingiscomplete.
Important:Donotusemethanol,gasolinecontaining
methanol,orgasoholcontainingmorethan10%ethanol
becausethefuelsystemcouldbedamaged.Donotmix
oilwithgasoline.
UsingStabilizer/Conditioner
Useafuelstabilizer/conditionerinthemachinetoprovide
thefollowingbenets:
•Keepsgasolinefreshduringstorageof90daysorless.
Forlongerstorageitisrecommendedthatthefueltank
bedrained.
•Cleanstheenginewhileitruns.
•Eliminatesgum-likevarnishbuildupinthefuelsystem,
whichcauseshardstarting.
Important:Donotusefueladditivescontaining
methanolorethanol.
Addthecorrectamountofgasstabilizer/conditionertothe
gas.
Note:Afuelstabilizer/conditionerismosteffectivewhen
mixedwithfreshgasoline.Tominimizethechanceofvarnish
depositsinthefuelsystem,usefuelstabilizeratalltimes.
10

FillingtheFuelTank
1.Parkthemachineonalevelsurface,lowerthegrinder,
andshutofftheengine.
2.Allowtheenginetocool.
3.Cleanaroundthefueltankcapandremoveit(Figure9).
Figure9
Viewmayvarydependingonmodel
1.Fuel-tankcap
4.Addunleadedgasolinetothefueltank,untilthelevelis
6mmto13mm(1/4to1/2inch)belowthebottomof
thellerneck.
Important:Thisspaceinthetankallowsgasoline
toexpand.Donotllthefueltankcompletelyfull.
5.Installthefueltankcapsecurely.
6.Wipeupanygasolinethatmayhavespilled.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
1.Tiltthemachinesotheengineislevel,andshutoff
theengine.
2.Allowtheenginetocool.
3.Cleanaroundtheoildipstick.
4.Removethedipstickandwipetheendclean.
5.Slidethedipstickfullyintothedipsticktubewithout
threadingitintothellerneck.
6.Pullthedipstickoutandlookattheend;theoilshould
betothetopoftheupperlimitrange(Figure10).
Figure10
1.Oildipstick
Important:Runningtheenginewithlowoillevel
cancauseenginedamage.Thistypeofdamageis
notcoveredbywarranty.
Theengineisequippedwithanoilalertsystem
thatwillautomaticallyshutofftheenginebefore
theoillevelfallsbelowthesafelimit.
7.Iftheoillevelislow,slowlypouronlyenoughoilinto
thecrankcasetoraisetheleveltotheupperlimit.
Important:Donotoverllthecrankcasewithoil
becausetheenginemaybedamaged.
8.Replacethedipstick.
11

StartingandShuttingOffthe
Engine
StartingtheEngine
1.MovethefuelvalvetotheOPENposition,alltheway
totheright(Figure11).
Figure11
1.Choke3.Starter
2.Fuelvalve
2.MovethechokeleverlefttotheONpositionifyou
arestartingacoldengine.
Note:Awarmorhotenginemaynotrequirechoking.
3.Holdthesafetybailagainstthehandleandpushthe
handledownenoughtoraisethecuttingwheeloffthe
ground.
4.Pullthestarterhandlelightlyuntilyoufeelresistance,
thenpullthehandlebriskly.Returnthestarterhandle
gently(Figure11).
5.Aftertheenginestarts,graduallymovethechokelever
backtotheOFFposition.
Note:Iftheenginestallsorhesitates,movethechoke
backtotheONpositionagainuntiltheenginewarms
up.ThenmoveittotheOFFposition.
6.Holdthethrottleleveragainstthehandletospinthe
cuttingwheel.
ShuttingOfftheEngine
1.Releaseyourhandfromthethrottlelever.
Note:Iftheenginehasbeenworkinghardorishot,
letitrunforaminutebeforereleasingthesafetybail.
Thishelpstocooltheenginebeforestopping.Inan
emergency,theenginemaybestoppedimmediately.
2.Releasethesafetybailtoshutofftheengine.
3.MovethefuelvalvetotheCLOSEDposition,allthe
waytotheleft.
GrindingaStump
DANGER
Themachinewillcutandamputatehandsandfeet.
•Stayintheoperator'spositionwhilethemachine
isrunningandkeepawayfromthecutting
wheel.
•Keepallbystandersasafedistancefromthe
machine.Stopthemachineimmediatelyifany
peopleoranimalsentertheworkarea.
•Neverleavearunningmachineunattended.
Alwaysshutofftheengineandverifythecutting
wheelhasstoppedrotating.
WARNING
Grindingastumpwillthrowwoodchips,soil,and
otherdebrisintotheairwhichcouldinjureyouor
bystanders.
•Alwaysweareyeprotectionandahardhatwhen
usingthemachine.
•Ensurethateveryone,includingchildrenand
animals,maintainadistanceofatleast15m(50
feet)fromthemachine.
1.SetthrottletotheDisengageposition,starttheengine,
andallowthemachinetowarmupfor2minutes.
2.Pushthehandledownenoughtoraisethecutting
wheelofftheground(Figure12).
2
G025887
1
Figure12
1.Pivotpoint2.Pivotpointwhenthe
parkingbrakeisengaged.
12

3.Movethemachinetothefrontofthestumpandset
theparkingbrake.
4.MovethrottleuptotheEngageposition.Thecutting
wheelwillbeginrotating.
5.Swingthecuttingwheeltooneside(Figure12),then
loweritapproximately13mmto25mm(1/2inchto
1inch)intothefront-topcornerofthestump.Swing
thecuttingwheelbackandforth,loweringthecutting
wheelapproximately13mmto25mm(1/2inchto1
inch)beforeeachsweep,untilyouhaveremovedthe
frontportionofthestumptogroundlevel(Athrough
DinFigure13).
Figure13
6.Raisethecuttingwheel,releasetheparkingbrake,and
movethemachineforwardafewcentimeters(inches).
Settheparkingbrake.
7.Repeatsteps5and6untilyouhavecompletely
removedthestump(EthroughHinFigure13).
8.MovethrottletotheDisengageposition,pushthe
handledownenoughtoraisethecuttingwheeloffthe
ground.Waitforthecuttingwheeltostoprotating
thenreleasetheparkingbrakeandpullthemachine
awayfromthestump.
Note:Donotletthefrontofthemachinetouchthe
grounduntilyouaresurethecuttingwheelhasstopped
turning.
9.Shutofftheengine;refertoShuttingOfftheEngine
(page12).
13

Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
Important:Youcantipthemachinebackwardoronitssidetocleanorserviceit,butnolongerthan2minutes.
Ifyouholdthemachinethispositionfortoolong,gasolinecandrainintothecrankcaseanddamagetheengine.
Shouldthishappen,performanextraoilchangeontheengine.Thenturntheengineoverafewrevolutionswiththe
starterhandlebeforestartingtheengineagain.
RecommendedMaintenanceSchedule(s)
MaintenanceService
IntervalMaintenanceProcedure
Aftertherst25hours•Changetheoil.
Beforeeachuseordaily
•Checktheengine-oillevel.
•Checktheairlter.
•Checktheconditionoftheteeth;rotateorreplaceanythatarewornordamaged
andtorquethenutsforallteeth.
•Removedebrisfromthemachine.
Every25hours•Checkthedrivebelttension.
Every50hours•Servicetheairlter.
Every100hours
•Changetheoil.
•Cleanthesedimentcup.
•Checkthesparkplugs.
Every200hours•Replacetheairlter.
Yearlyorbeforestorage•Changetheoil.
•Cleanthesedimentcup.
Important:Refertoyourengineowner’smanualforadditionalmaintenanceprocedures.
EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Beforeeachuseordaily
Thecycloneairltercollectsthelargestcontaminantparticles,
whichcollectinthecontainer.Whenyoucanseealayerof
dirtatthebottomofthecontainer,cleanthecyclonehousing,
airchannels,andairintakescreen.
ServicingtheCycloneAirFilter
ServiceInterval:Every50hours
1.Removethe3screwsholdingthecyclonehousing.
2.Removethehousingwiththeairintakescreenand
removetheairchannels.
Figure14
1.Cyclonehousing3.Airchannels
2.Screw4.Cyclonehousingwithair
intakescreen
Note:Theairchannelsmayremainintheupper
portionorfollowalongwiththehousingwhen
removed.
14

3.Cleanthecomponentswithwater,detergent,anda
brushthendrythecomponentscarefully.
4.Placetheairchannelsinthecyclonehousing.
5.Insertcyclonehousingintopositionandmakesureit
tsintheupperportion.
Note:Donotuseforce;alignitinplacebeforetting
thescrews.
ReplacingtheAirFilter
ServiceInterval:Every200hours
Iftheengineislowonpower,producesblacksmokeorruns
unevenly,theairltermaybeclogged.
1.Removethewingnutandliftoffthecyclonelterwith
theair-ltercowling(Figure15).
Figure15
1.Wingnut4.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,replace
it.
Important:Donotusecompressedairtoblow
outthepaperelement,thiscandamageit.
5.Mountthepaperlterintheairlterhousingand
secureitwiththewingnut.
6.Positionthefoampre-lteroverthepaperlter.
7.Installthecyclonelterwiththeairltercoverand
secureitwiththewingnut.
ServicingtheEngineOil
Note:Changetheoilmorefrequentlywhentheoperating
conditionsareextremelydustyorsandy.
OilType:DetergentoilwithanAPIserviceofSJorhigher.
CrankcaseCapacity:0.6L(0.63qt)
Viscosity:SAE10W-30isrecommendedforgeneraluse.
ChangingtheEngineOil
ServiceInterval:Aftertherst25hours
Every100hours
Yearlyorbeforestorage
1.Starttheengineandletitrun5minutes.Thiswarms
theoilsoitdrainsbetter.
2.Parkthemachinesothatthedrainsideisslightlylower
thantheoppositesidetoensurethattheoildrains
completely.
3.Settheparkingbrakeandshutofftheengine.
4.Placeapanundertheoildrainhole.
5.Removethedrainpluganddraintheoilthroughthe
holeslotintheframe(Figure16).
g014504
1
2
Figure16
1.Oildrainhole2.Oilllcap
15

6.Whentheoilhasdrainedcompletely,installtheplug
andwipeupanyspilledoil.
Note:Disposeoftheusedoilatacertiedrecycling
center.
7.Removetheoilllcapandslowlypourapproximately
80percentofthespeciedamountofoilintothe
engine(Figure16).
8.Slowlyaddadditionaloiltobringtheoilleveltothe
upperlimitmarkonthedipstick.RefertoCheckingthe
Engine-OilLevel(page11).
9.Installtheoilllcap.
CleaningtheSedimentCup
ServiceInterval:Every100hours
Yearlyorbeforestorage
Underneaththefuelvalveisasedimentcuptocatchdirtin
thefuel.
1.MovethefuelvalvetotheOFFposition,alltheway
totheleft.
2.Unscrewthesedimentcup.Makesurenottomisplace
theO-ring(Figure17).
Figure17
1.Sedimentcup2.O-ring
3.CleanthereservoirandtheO-ringusingacleaning
solventanddrycarefully.
Note:MakesurenottomisplacetheO-ring.
4.PuttheO-ringinplaceinthegrooveofthecupand
replacethesedimentcup.
5.TurnthefuelvalvetotheONposition,allthewayto
theright,andcheckforleaks.
Note:Ifitleaks,replacetheO-ring.
ServicingtheSparkPlug
ServiceInterval:Every100hours—Checkthesparkplugs.
Ensurethattheairgapbetweenthecenterandsideelectrodes
iscorrectbeforeinstallingthesparkplug.Useasparkplug
wrenchforremovingandinstallingthesparkpluganda
gappingtool/feelergaugetocheckandadjusttheairgap.
Installanewsparkplugifnecessary.
Type:BPR6ES(NKG)orequivalent
AirGap:0.70to0.80mm(0.28to0.031inch)
RemovingtheSparkPlug
1.Lowerthegrinderandshutoffthemachine;Referto
ShuttingOfftheEngine(page12).
2.Pullthewireoffthesparkplug(Figure18).
Figure18
1.Sparkplug2.Wire
3.Cleanaroundthesparkplug.
4.Removethesparkplugandthemetalwasher.
16

CheckingtheSparkPlug
1.Lookatthecenterofthesparkplug(Figure19).Ifyou
seelightbrownorgrayontheinsulator,theengineis
operatingproperly.Ablackcoatingontheinsulator
usuallymeansthattheaircleanerisdirty.
Important:Donotcleanthesparkplug.Always
replacethesparkplugwhenithasablackcoating,
wornelectrodes,anoilylm,orcracks.
Figure19
1.Centerelectrodeinsulator3.Airgap(nottoscale)
2.Sideelectrode
2.Checkthegapbetweenthecenterandsideelectrodes
(Figure19).Bendthesideelectrode(Figure19)ifthe
gapisnotcorrect.
InstallingtheSparkPlug
1.Threadthesparkplugintothesparkplughole.
2.Tightenthesparkplugto20ft-lb(27N-m).
3.Pushthewireontothesparkplug.
BeltMaintenance
CheckingtheDriveBelt
Tension
ServiceInterval:Every25hours
Note:Replacethebeltifitshowsanysignsofwear,cracks,
ordamage.
1.Shutofftheengineandwaitforallrotatingpartsto
stop.
2.Removebeltguardretainingscrews(Figure20).
g014510
1234
5
4
Figure20
Yourmodelmayvary
1.Beltguard4.Bolt
2.Lockwasher5.Nut
3.Washer
3.Tocheckbelttension,gentlysqueezethebeltspans
together.Youshouldbeabletopushthebeltdown
about6to10mm(1/4to3/8inch)fromtheoriginal
position.
Important:Toextendthebeltlife,propertensionmust
bemaintained.Aloosebeltwillcauseexcessivecutting
wheelslippageandearlybeltfailure.Abeltthatistoo
tightcancausebearingandshaftfailure,andrapidbelt
wear.
17

AdjustingtheDriveBelt
1.Removethebeltguard.
2.Loosenthe4enginemountingbolts,andjamnuts
holdingtheadjustmentbolt(Figure21).
Figure21
1.Bolt3.Enginemountbolt
2.JamNut
3.Turnthesquareheadadjustingboltontheframe
clockwisetotightenthebelt;turnitcounterclockwise
toloosenthebelt.
Important:Important:Makesuretotighten
allengineboltsafterproperbeltadjustmentis
achieved.
4.Installthebeltguardandsecurewithpreviously
removedhardware.
GrinderMaintenance
ReplacingtheTeeth
ServiceInterval:Beforeeachuseordaily—Checkthe
conditionoftheteeth;rotateorreplace
anythatarewornordamagedandtorque
thenutsforallteeth.
Duetothehighamountofwearplacedontheteeth,you
willneedtorotateandreplacethemperiodically(Figure22).
Beforeyourotateorreplacethem,inspecteachtoothholder
onthewheel,includingtheatlandsthatpreventtheteeth
fromrotating.Ifthetoothholderisdamaged,replacethe
wheel.Torquethenuts68N∙m(50ft-lb)foranyteeththat
youarenotrotatingorreplacing.
Figure22
1.Sharptooth2.Worntooth
Eachtoothisindexedwith3positionssoyoucanrotate
ittwice,exposinganewsharpedgebeforereplacingthe
tooth.Torotateatooth,loosenthenutsecuringthetooth
(Figure23).Pushthetoothforwardandrotateit1/3ofa
turn,bringinganunusededgetotheoutside.Torquethenut
securingthetoothto68N∙m(50ft-lb).
Toreplaceatooth,removethenutsecuringthetooth,then
installanewtooth,washer,andnutinthesameposition
(Figure23).Torquethenutsecuringthetoothto68N∙m
(50ft-lb).
18

Figure23
1.Tooth4.Nut
2.Toothholder5.Flatland
3.Washer
Cleaning
RemovingDebrisfromthe
Machine
Regularcleaningandwashingwillincreasethelifespanof
themachine.Cleanthemachinedirectlyafteruse,beforethe
dirthardens.
Checkbeforecleaningthatthefueltankcapisproperlyin
placetoavoidgettingwaterinthetank.
Usecarewhenusingahigh-pressuresprayerbecauseitcan
damagewarningdecals,instructionsigns,andtheengine
Important:Lubricatethecuttingwheelbladebearings
aftercleaning.
19

Storage
StoringtheMachine
Forstorageover30days,preparetheunitasfollows:
1.Removedirtandgrimefromtheexternalpartsof
theentireunit,especiallytheengine.Cleandirtand
sawdustchipsfromtheoutsideoftheenginecylinder
headnsandblowerhousing.
Important:Youcanwashtheunitwithmild
detergentandwater.
2.Addapetroleumbasedstabilizer/conditionertofuel
inthetank.Followmixinginstructionsfromstabilizer
manufacturer.(7.8mlperLor1ozperUSgallon).
Donotuseanalcoholbasedstabilizer(ethanolor
methanol).
Note:Fuelstabilizer/conditionerismosteffective
whenmixedwithfreshgasolineandusedatalltimes.
Important:Donotstorestabilizer/conditioned
gasolineover90days.
3.Runtheenginetodistributeconditionedfuelthrough
thefuelsystem(5minutes).
4.Shutofftheengine,allowittocool,anddrainthe
fueltankusingapumptypesiphon.Disposeoffuel
properly;recycleasperlocalcodes.
5.Starttheengineandrunituntilitstops.
6.Choketheengine.
7.Startandruntheengineuntilitdoesnotstartagain.
8.Cleanthesedimentcup;refertoCleaningtheSediment
Cup(page16).
9.Servicetheaircleaner;refertoServicingtheAir
Cleaner(page14).
10.Changetheenginecrankcaseoil;refertoChangingthe
EngineOil(page15).
11.Removethesparkplugandcheckthecondition;refer
toServicingtheSparkPlug(page16).
12.Withthesparkplugremovedfromtheengine,pour2
tablespoonsofengineoilintothesparkplughole.
13.Pullthestarterslowlytocranktheengineanddistribute
theoilinsidethecylinder.
14.Installthesparkplug,butdonotinstallthewireon
thesparkplug.
15.Checkandtightenallbolts,nuts,andscrews.Repairor
replaceanypartthatisdamaged.
16.Paintallscratchedorbaremetalsurfaceswithpaint
availablefromyourAuthorizedServiceDealer.
17.Storetheunitinaclean,drygarageorstoragearea.
18.Covertheunittoprotectitandkeepitclean.
20