Toro 68046, 68045 Operator's Manual

Download

FormNo.3374-363RevA

G019180

CS-1andCS-2ConcreteSaw

ModelNo.68045—SerialNo.313000001andUp

ModelNo.68046—SerialNo.313000001andUp

Registeratwww.T oro.com. OriginalInstructions(EN)

*3374-363*A

WARNING

G019181

Introduction

CALIFORNIA

Proposition65Warning

Thisproductcontainsachemicalorchemicals

knowntotheStateofCaliforniatocausecancer,

birthdefects,orreproductiveharm.

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Useofthisproductmaycauseexposureto chemicalsknowntotheStateofCalifornia

tocausecancer,birthdefects,orother

reproductiveharm.

DANGER

Theremaybeburiedpower,gas,and/ortelephone linesintheworkarea.Shockorexplosionmay occurifyoucutintothem.

Thismachineisdesignedtoatsawasphaltandconcrete.It isnotintendedtocutwoodanyothermaterialotherthan asphaltandconcrete.

Readthisinformationcarefullytolearnhowtooperateand maintainyourproductproperlyandtoavoidinjuryand productdamage.Youareresponsibleforoperatingthe productproperlyandsafely .

YoumaycontactTorodirectlyatwww .Toro.comforproduct andaccessoryinformation,helpndingadealer,ortoregister yourproduct.

Wheneveryouneedservice,genuineToroparts,oradditional information,contactanAuthorizedServiceDealerorToro CustomerServiceandhavethemodelandserialnumbers ofyourproductready.Figure1showsthelocationofthe modelandserialnumbersontheproduct.Writethenumbers inthespaceprovided.

Havethepropertyorworkareamarkedforburied linesanddonotdiginmarkedareas.Contactyour localmarkingserviceorutilitycompanytohavethe propertymarked(forexample,intheUnitedStates, call811forthenationwidemarkingservice).

Becauseinsomeareastherearelocal,state,orfederal regulationsrequiringthatasparkarresterbeusedonthe engineofthismachine,asparkarresterisincorporatedwith themuferassembly.

GenuineTorosparkarrestersareapprovedbytheUSDA ForestryService.

Important:Thisengineisequippedwithaspark arrestermufer.ItisaviolationofCaliforniaPublic ResourceCodeSection4442touseoroperatetheengine onanyforest-covered,brush-covered,orgrass-covered landwithoutasparkarrestermufermaintainedin workingorder,ortheengineconstricted,equipped,and maintainedforthepreventionofre.Otherstatesor federalareasmayhavesimilarlaws.

Figure1

1.Modelandserialnumberplate

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhassafety messagesidentiedbythesafetyalertsymbol(Figure2), whichsignalsahazardthatmaycauseseriousinjuryordeath ifyoudonotfollowtherecommendedprecautions.

Contactusatwww.T oro.com.

PrintedintheUSA.

AllRightsReserved

Safety

Figure2

1.Safetyalertsymbol

Thismanualuses2otherwordstohighlightinformation. Importantcallsattentiontospecialmechanicalinformation andNoteemphasizesgeneralinformationworthyofspecial attention.

Contents

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

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

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

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

ProductOverview..........................................................7

Controls................................................................8

Specications........................................................10

Attachments/Accessories........................................10

Operation....................................................................11

BeforeyouStart.....................................................11

AdjustingtheHandleBar(Model68046)....................11

RemovingandInstallingtheSawBlade......................11

AdjustingtheCuttingDepth....................................14

AligningthePointer................................................15

AddingFuel...........................................................16

ServicingtheEngineOil..........................................18

StartingandStoppingtheEngine..............................19

CuttingtheJob-SiteSurface.....................................20

ChangingtheCuttingPosition..................................22

TransportingtheMachine........................................25

Maintenance.................................................................26

RecommendedMaintenanceSchedule(s)......................26

Lubrication...............................................................27

GreasingtheMachine.............................................27

LubricatetheElevationScrew..................................27

EngineMaintenance..................................................28

ServicingtheAirFilter............................................28

ChangingtheEngineOil.........................................29

ServicingtheFuelSystem........................................30

ServicingtheSparkPlug..........................................31

ServicingtheSparkArrester.....................................32

BeltMaintenance......................................................33

ServicingtheDriveBelts.........................................33

SawBladeMaintenance...............................................38

CheckingtheConditionandFunction.......................38

Cleaning...................................................................40

CleaningtheMachine..............................................40

Storage........................................................................40

StoringtheMachine................................................40

Troubleshooting...........................................................42

Improperuseormaintenancebytheoperatororowner canresultininjury.Toreducethepotentialforinjury, complywiththesesafetyinstructionsandalways payattentiontothesafetyalertsymbol,which means: instruction.Failuretocomplywiththeinstructionmay resultinpersonalinjuryordeath.

Caution

W ar ning

,or

Danger

—personalsafety

SafeOperatingPractices

Thisproductiscapableofamputatinghandsandfeet.Always followallsafetyinstructionstoavoidseriousinjuryordeath.

WARNING

Engineexhaustcontainscarbonmonoxide,an odorless,deadlypoisonthatcankillyou.

Donotruntheengineindoorsorinanenclosed area.

WARNING

Machiningorhandlingstone,masonry,concrete, metal,andothermaterialscangeneratedust,mists, andfumescontainingchemicals,suchassilica, knowntocauseseriousorfatalinjuryorillness, suchasrespiratorydisease,silicosis,cancer,birth defects,orotherreproductiveharm.

•Controldust,mist,andfumesatthesource wherepossible.Watershouldbeusedfordust suppressionwhenfeasible.

•Usegoodworkpracticesandfollowthe recommendationsofthemanufactureror suppliers,OSHA,andotheroccupationaland tradeassociations.

•Alwaysfollowrespiratoryprecautions.

•Whenthehazardsfrominhalationcannotbe eliminated,theoperatorandanybystanders shouldweararespiratorapprovedbyOSHAfor thematerialbeinghandled.

Training

•ReadtheOperator'sManualandothertrainingmaterial.If

theoperator(s)ormechanic(s)cannotreadEnglish,itis theowner'sresponsibilitytoexplainthismaterialtothem.

•Becomefamiliarwiththesafeoperationoftheequipment,

operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.The

ownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperateorservice

theequipment.Localregulationsmayrestricttheageof theoperator.

•Theowner/usercanpreventandisresponsiblefor

accidentsorinjuriesoccurringtohimselforherself,other peopleorproperty.

Preparation

•Decidewhetherwetcuttingordrycuttingisperformed

andevaluatethejobsitematerial(s)todeterminewhat bladeapplicationisneededtoproperlyandsafelyperform thejob.Onlyusebladesapprovedforthecutting operationbythemanufacturerofthesawblade.

•Wearappropriateclothingincludinghardhat,faceshield,

safetyglasses,longpants,safetyshoes,respiratorordust mask,andhearingprotection.Longhair,looseclothing, orjewelrymaygettangledinmovingparts.

•Inspectthejobsitewheretheequipmentistobeused

andremoveallobjectssuchasloosesitematerials,rocks, woodproducts,toolsandhardwarewhichcanbethrown bythemachine.

•Useextracarewhenhandlinggasolineandotherfuels.

Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainertostoreandtransport

fuel.

–Neverremovethegascaporaddfuelwiththeengine

running.Allowtheenginetocoolbeforerefueling. Donotsmokewhilefuelingthemachine.

–Neverrefuelordrainthemachineindoors.

•Checkthattheguardsareattachedandfunctioning

properly.Donotoperateunlesstheyarefunctioning properly.

Operation

•Neverrunanengineinanenclosedarea.

•Onlyoperateingoodlight,keepingawayfromholesand

hiddenhazards.

•Ensurethatthebladeiselevatedabovethejob-site

surfacebeforestartingtheengine.Onlystarttheengine fromtheoperator’sposition.

•Elevatethebladeabovethejob-sitesurfaceaftereach

cuttingpass.

•Ensurethatthebladeiselevatedwhenmovingthe

machinetothejobsite,fromthejobsite,andtoanew cuttingpath.

•Neveroperatewiththeguardsnotsecurelyinplace.

•Donotchangetheenginegovernorsettingorover-speed

theengine.

•Beforeleavingtheoperatorpositionforanyreason,

elevatethebladeabovethesitesurface,reducethethrottle toidle,andpressthestopswitch.

•Keephandsandfeetawayfromtheblade.

•Lookbehindanddownbeforebackinguptobesureof

aclearpath.

•Keeppetsandbystandersaway.

•Usecaremovingthemachinebetweenjobsites.Slow

downwhenandusecautionwhenmakingturnsand whencrossingroadsandsidewalks.

•Donotoperatethemachineundertheinuenceof

alcoholordrugs.

•Usecarewhenloadingorunloadingthemachineintoa

trailerortruck.

•Ensurethattheareaisclearofotherpeoplebefore

operatingthemachine.Stopthemachineifanyoneenters thearea.

•Neverleavearunningmachineunattended.Always

elevatetheblade,stoptheengineandverifytheblade hasstoppedrotating.

•Neverjerkthecontrols;useasteadymotion.

•Watchfortrafcwhenoperatingnearorcrossing

roadways.

•Donottouchpartswhichmaybehotfromoperation.

Allowthemtocoolbeforeattemptingtomaintain,adjust, orservice.

•Ensurethatyouoperatethemachineinareaswhere

therearenoobstaclesincloseproximitytotheoperator. Failuretomaintainadequatedistancefromtrees,walls, andotherbarriersmayresultininjuryasthemachine backsupduringoperationiftheoperatorisnotattentive tothesurroundings.Onlyoperatetheunitinareaswhere thereissufcientclearancefortheoperatortosafely maneuvertheproduct.

•Locatethepinchpointareasmarkedonthemachineand

keephandsandfeetawayfromtheseareas.

•Lightningcancausesevereinjuryordeath.Iflightning

isseenorthunderisheardinthearea,donotoperate themachine;seekshelter.

MaintenanceandStorage

•Elevatethebladeabovethejob-sitesurfaceandstop

theengine.Waitforthebladetostopbeforeadjusting, cleaning,orrepairing.

•Cleandebrisfromtheblade,bladeguard,mufers,and

enginetohelppreventres.Cleanupoilorfuelspillage.

•Lettheenginecoolbeforestoringanddonotstorenear

ame.

•Donotstorefuelnearamesordrainindoors.

•Parkthemachineonlevelground.Neverallowuntrained

personneltoservicethemachine.

•Usejackstandstosupportcomponentswhenrequired.

•Carefullyreleasepressurefromcomponentswithstored

energy.

•Removethesparkplugwirebeforemakinganyrepairs.

•Keephandsandfeetawayfrommovingparts.Ifpossible,

donotmakeadjustmentswiththeenginerunning.

•Keepallpartsingoodworkingconditionandallhardware

tightened.Replaceallwornordamageddecals.

–Neverrefuelthemachineindoors.

–Neverstorethemachineorfuelcontainerinside

wherethereisanopename,suchasnearawater heaterorfurnace.

•Keepnutsandboltstight.Keepequipmentingood

condition.

•Nevertamperwithsafetydevices.

•Keepthemachinefreeofgrass,leaves,orotherdebris

buildup.Cleanupoilorfuelspillage.Allowthemachine tocoolbeforestoring.

•Useextracarewhenhandlinggasolineandotherfuels.

Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainertostorefuel.

–Neverremovethegascaporaddfuelwhenthe

engineisrunning.Allowtheenginetocoolbefore refueling.Donotsmoke.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential danger.Replaceanydecalthatisdamagedorlost.

–Neverllacontainerwhileitisinsideavehicle,the

cargoboxofatruck,oranysurfaceotherthanthe ground.

–Keepcontainernozzleincontactwiththetankduring

lling.

•Stopandinspecttheequipmentifyoustrikeanobject.

Makeanynecessaryrepairsbeforerestarting.

•UseonlygenuineTororeplacementpartstoensurethat

originalstandardsaremaintained.

117–4979

1.Rotatingbelt—Keepguardinplace

1.Warning—readthe Operator’sManual.

2.Warning—keephands awayfromhotsurfaces.

125–4921

3.Entanglementhazard, belt—keephandsaway frommovingparts;keep allguardsinplace.

125–4922

125–4925

1.Cutting/dismembermenthazardofhand,circular blade—stoptheblade;keephandsawayfrommoving parts;keepallguardsinplace.

1.Warning—readthe Operator’sManual.

2.Warning—keephands awayfrommovingparts; keepallguardsinplace.

3.Warning—weareye,head, hearing,andrespiratory protection.

4.Raiseblade

5.Lowerblade

125–4920

1.Engine—run

2.Engine—stop9.Warning—weareye,head,hearing,andrespiratoryprotection.

3.Adjustcuttingheight

4.ReadtheOperator’sManual—1)Starttheengine;2)Setthe bladeheightto0inches;3)Setthebladespeedtofast;

4)Whenloweringthebladeforcutting,setthespeedtoslow.

5.Lowertheblade12.Fast

6.Raisetheblade13.Variablespeed

7.Warning—readtheOperator’sManual.14.Slow

8.Explosionhazard,fueling—stoptheengineandkeepames awaywhenfueling.

10.Warning—keepawayfrommovingparts;keepallguardsin place;waitformovingpartstostop.

11.Warning—keepbystandersawayfromthemachine.

ProductOverview

G019190

G019187

Figure3

Overview(Model68045)

1.Airltercover

2.Fueltankcap

3.Engineswitch10.Beltguard

4.Oilllercap/dipstick

5.Oildrainbolt

6.Belttensionbolt

7.Forwardpointer

8.Bladeguard

9.Sawblade

11.Handlebar

12.Elevationcrank

13.Operatorpanel

Figure4

Overview(Model68046)

1.Operatorpanel

2.Throttlelever12.Pointerwheel

3.Airltercover13.Oildrainbolt

4.Chokelever14.Oilllercap/dipstick

5.Fuelvalvelever

6.Sedimentcup

7.Recoilstarthandle17.Fueltankcap

8.Sawblade18.Liftingbale

9.Bladeguard

10.Pointerfork

11.Forwardpointer

15.Engineswitch(engine location)

16.Beltguard

19.Engineswitch(operator panellocation)

20.Handlebar

Controls

G019199

STOP

G019198

3 4

G019202

G020236

1 2

Becomefamiliarwithallthecontrols(Figure5,Figure6,and Figure7)beforeyoustarttheengineandoperatethemachine.

OperatorPanel(Model68045)

EngineControls

Figure5

OperatorPanel(Model68045)

1.Indexhole3.Waterconnector

2.Watervalvehandle4.Elevationcrank

OperatorPanel(Model68046)

Figure6

OperatorPanel(Model68046)

Figure7

EngineControls(Models68045and68046)

1.Chokelever

2.Fuelvalvelever5.Recoilstarthandle

3.Sedimentcup

4.Throttlelever

6.Engineswitch

FuelValve

Thefuelvalve(Figure8)islocatedunderneaththechoke lever.TheleverforthefuelvalvemustbemovedtotheOn positionbeforeattemptingtostarttheengine.Onceyouhave nishedusingthemachineandyouhaveturnedtheengine off,movetheleverforthefuelvalvetotheOffposition.

1.Bladedepthgauge5.Watervalvehandle

2.Engineswitch6.Waterconnector

3.Bladeelevationcrank7.Throttle

4.Indexhole

Figure8

EngineControls

1.Fuelvalve3.Throttlelever

2.Chokelever

ChokeLever

G019203

OFF

g018808

STOP

G019204

1 2

Thechokelever(Figure8)isrequiredwhenstartingacold engine.Beforepullingontherecoilstarterhandle,move thechokelevertotheclosedposition.Oncetheengineis running,movethechokelevertotheopenposition.Do notusethechokeiftheengineisalreadywarmeduporthe airtemperatureishigh.

ThrottleLever(Model68045)

Thethrottlelever(Figure8)controlsthespeed(RPM)of theengine.Itislocatednexttothechokelever.Itsetsthe engineRPMandthereforecanincreaseanddecreasethe rotationspeedofthesawblade.Forbestperformanceitis recommendedyousetthiscontroltothefastposition.

ThrottleControl(Model68046)

Important:Model68046only—donotusethethrottle

leverontheengine.Damagetothethrottlelinkagemay occurtotheoperatorpanelthrottlecontrol.

Thethrottlecontrolislocatedontheoperatorpanel (Figure9),andcontrolsthespeed(RPM)oftheengine.It setstheengineRPMandthereforecanincreaseanddecrease therotationspeedofthesawblade.Forbestperformanceit isrecommendedyousetthiscontroltothefastposition.

Figure10

1.EngineOn/Offswitch

EngineSwitch(Model68046)

Theengineswitchislocatedontheoperatorpanel(Figure11). Usetheengineswitchtostoptheengineduringroutine machineoperationandwhenshuttingthemachineOffin anemergencysituation.

Figure9

EngineOn/OffSwitch

TheOn/Offswitch(Figure10)allowstheoperatorofthe machinetostartandstoptheengine.Thisswitchislocated onthefrontoftheengine.Itismarkedl(ON)andO(OFF). Tostartthemachine,youmustrstmovethiscontroltothe Onposition.Whenyouwanttostoptheengine,movethis switchtotheOffposition.

Figure11

EngineSwitchandBladeDepthGauge(Model68046)

1.Runengine3.Bladedepthgauge

2.Stopengine

RecoilStarter

Tostarttheengine,pullontherecoilstarthandle(Figure7) quicklytoturntheengineover.Thecontrolsontheengine

describedabovemustallbesetcorrectlyfortheengineto start.

OilAlertSystem

TheOilAlertsystemisdesignedtopreventenginedamage causedbyaninsufcientamountofoilinthecrankcase. Beforetheoillevelinthecrankcasecanfallbelowasafelimit, theOilAlertsystemwillautomaticallystoptheengine(the engineswitchwillremainintheONposition).Iftheengine stopsandwillnotrestart,checktheengineoillevelbefore troubleshootinginotherareas.

BladeDepthGauge(Model68046)

Thebladedepthgauge(Figure11)isusedtoindicatethesaw bladeelevationabovethejobsitesurfaceandblade-cutdepth intothejob-sitesurface.

Specications

Note:Specicationsanddesignaresubjecttochange

withoutnotice.

Model68045Model68046

Length

Width

Height

Weight

ArborSpeed (Max.)

ArborDiameter

BladeDiameter /CuttingDepth (Max)

92.7cm(36.5inch)†120.1cm(47.3inch)

67.5cm(26.6inch)67.6cm(26.6inch)

87.4cm(34.4inch)93.3cm(36.75inch)

80Kg(175lb)141Kg(310lb)

55.3Hz(3200RPM)55.3Hz(3200RPM)

25.4mm(1inch)25.4mm(1inch)

356mm(14inch) blade/1 17mm(4.63 inch)depth

†

‡

356mm(14inch) blade/117mm (4.63inch)depth 406mm(16inch) blade/143mm (5.63inch)depth 457mm(18inch) blade/168mm (6.63inch)depth

†Pointerintheupposition. ‡Handlesinthemidposition.

Attachments/Accessories

AselectionofToroapprovedattachmentsandaccessoriesare availableforusewiththemachinetoenhanceandexpand itscapabilities.ContactyourAuthorizedServiceDealeror Distributororgotowww .T oro.comforalistofallapproved attachmentsandaccessories.

Operation

G019225

Important:Beforeoperating,checkthefuelandoil level,andremovedebrisfromthemachine.Also,ensure thattheareaisclearofpeopleanddebris.Y oushould alsoknowandhavemarkedthelocationsofallutility lines.

Note:Determinetheleftandrightsidesofthemachine fromthenormaloperatingposition.

Model68045:Useforsurfacesawingasphaltandconcrete ofsmallerjobssuchasoorandpavementrepair,expansion jointcutting,conduitchannelcutting,andotheratwork.

Model68046:Useforsurfacesawingasphaltandconcreteof jobsthatrequireprecisioncuttingincludingoors,walkways, ramps,andotheratsurfaces.

BeforeyouStart

DANGER

Identifyandmarkthelocationandrouteofwater, gas,andelectricallines.Lossoflifeordamageto propertymayoccuriftheseutilitiesarecut.

AdjustingtheHandleBar (Model68046)

RaisingandLoweringtheHandleBar

1.Locatetheboltsthatsecurethehandlebarstotheback oftheconsole(Figure12).

Figure12

HandleBarAdjustment(Model68046)

•Usethecorrectbladeforthematerialbeingcut.

•Ensurethatthearbor,collars,andarbornutare

undamaged.

•Installthebladewithbotharborwrenches.

•Whenwetcutting,ensurethatthewaterjetsproduce

adequatewaterow .

•Alignthepointer(s)withthesawblade.

•Removeallequipmentandloosedebrisfromthejobsite

cuttingpath.Removelooseconcrete,asphalt,orboth fromthecuttingpath.

•Reviewallthemachine’ ssafetydecals.

•Wearahard-hat,respiratorordustmask,hearing

protection,andeyeprotectionwhenoperatingthe machine.

•Ensurethatyouarefamiliarwithsafetyregulationsand

shutdownproceduresdescribedintheOperator’sManual.

•Ensurethatallguardsareinplaceandingoodcondition.

•Ensurethatthebladeishasnodamageorunusualwear,

andissecuretothearbor.

•Ensurethateveryone,includingchildrenandanimals,

maintainadistanceofatleast50feet(15m)fromthe machine.Debriscanbethrownoutandinjurepeople andanimals.

1.Highposition5.Lockwasher

2.Middleposition6.Flatwasher

3.Lowposition7.Bolt

4.Nut

2.Removethebolts,nuts,andwashersthatsecurethe handlebartotheconsole(Figure12).

3.Raiseorlowerthehandlebar(Figure12).

4.Aligntheholesinthehandlebarwiththemounting holesintheconsole.

5.Securethehandlebartotheconsolewiththebolts, nuts,andwashersremovedinstep2(Figure12).

8.Console

RemovingandInstallingthe SawBlade

Important:Beforeremovingorinstallingthesawblade,

removethesparkplugwirefromthesparkplug.

Note:Ensurethatthefollowingconditionsaremetwhen installingthesawblade:

•Ensurethatthebladeisratedfor3200RPMorgreater

beforeinstallingitonthemachine.

•Checkthecoolingrequirementsforthebladeandcutting

operation.

Alwaysusewaterwithawet-cuttingdiamondblade.A dry-cuttingbladecanbeusedwithorwithoutwater.

•Ensurethatthebladespecicationandsizematchesthe

G019281

G019213

G019214

cuttingapplication.Checkwiththeblademanufacturer fortheproperapplication.

•Ensurethatthebladeisnotdamagedwithanyofthe

followingconditions:

–Worncore

–Crackedcore

–Missingsegments

–Wornarborhole

–Worndrive-pinhole

RemovingtheBlade

1.RaisethesawbladetotheStartElevation;referto stepCinChangingCutDepth(page14).

2.Parkthemachineonalevelsurfaceandturnoffthe engine;refertoStoppingtheEngine(page19).

3.Ensurethatthemachinesurfacesarecool.

4.Disconnectthesparkplug(

Figure13).

Figure14

ArborWrenchStorage

1.Wrenches

2.Storagebracket

6.Rotatetheforwardsectionofthebladeguardopen (Figure15).

Figure15

BladeGuard

1.Forwardbladeguardsection

Figure13

DisablingtheEngine

1.Sparkplugwire

7.Placeonewrenchontheatsoftheinnercollarand placetheotherwrenchonthearbornut.Removethe arbornutbyrotatingitcounterclockwise(Figure16).

5.Removethe2wrenchesfromthestoragebracketatthe back-leftsideoftheoperatorpanel(Figure14).

G019215

B.Ensurethatthemachinesurfacesarecool.

C.Disconnectthesparkplug(

Figure13).

D.Removethe2arborwrenchesfromthestorage

bracketattheback-leftsideoftheoperatorpanel; refertoRemovingtheBlade(page12).

E.Opentheforwardsectionofthebladeguard;

referto

RemovingtheBlade(page12).

F.Inspecttheoutercollar,innercollar,drivepin,

andarborfordamage.Cleanthecollarclamping surfaces,drivepin,andarborwithacleanrag.

G.Inspecttheinnercollarandensurethatitis

mountedtightonthearbor.

H.Removeanyburrsonthearbor,collarclamping

surfacesandsawbladeclampingsurfaces.

I.Inspectthebladeguardandthewatertubesinside

thebladeguardfordamage.

2.Installthebladeasfollows:

A.Ensurethattherotationarrowonthesawblade

pointsinthesamedirectionastherotationarrow ontheouterbladeguardside.

Note:Ensurethatthebladeelevationisraised adequatelytoinstalltheblade.

Figure16

BladeandArbor

1.Sawblade

2.Outercollar

3.Arbornut7.Arborrotationarrow

4.Arbor

5.Wrench

6.Innercollar

arborandmovethebladetowardtheinnercollar

Figure17).

(

B.Alignthearborholeinthesawbladetothe

8.Removethelockwasher,outercollar,andsawblade. RefertoInstallingtheBlade(page13)

InstallingtheBlade

DANGER

Donotrunthemachinewithlooseormissingarbor parts.

Important:Alwaysusethepropersizebladeguardand splashguard.

BladeGuardSize

35.56cm(14in)StandardOptional

40.64cm(16in)Optional

Model68045Model68046

45.72cm(18in)Standard

1.Dothefollowingbeforeinstallingthesawblade:

A.Parkthemachineonalevelsurfaceandturnoff

theengine;refertoStoppingtheEngine(page19).

G019217

H.Placeonearborwrenchontheatsoftheinner

G019221

collarandplacetheotherwrenchonthearbor nut.Tightenthearbornutbyrotatingitclockwise.

3.Lowerthefrontbladeguardsection,stowthearbor wrenchedinstoragebracket,andconnectthespark plug.

4.Starttheengineandallowthemachineto runatfullthrottlefor30seconds;referto StartingtheEngine(page19).

5.Stoptheengine.

AdjustingtheCuttingDepth

Important:Forcutdepthlimits,refertothemachine

Specications(page10).

Note:Rotatetheelevationcrankclockwisetoraisetheblade; rotatetheelevationcrankcounterclockwisetolowertheblade.

ChangingCutDepth

Figure17

BladeInstallation

1.Outercollar7.Rotationarrow(sawblade)

2.Lockwasher8.Innercollar

3.Arbornut9.Drivepin

4.Drive-pinhole10.Arbor

5.Sawblade11.Rotationarrow(blade guard)

6.Arborhole

C.Alignthedrive-pinholeinthebladetothedrive

pinthatisprotrudingfromtheinnercollar.Seat thebladeagainsttheinnercollar(Figure17).

Important:Ensurethatthesawbladehasa sliptwiththearboranddrivepin.Ifthere isexcessivemovementbetweentheblade andthearborandpin,replacethewornparts beforeoperatingthemachine.

Note:Checkthatthewatertubesinsidetheblade guardareclearoftheblade.

Important:Eachrevolutionofthebladeelevationcrank raisesorlowersthebladeapproximately11mm(7/16 inch).

1.AdjustthesawbladetotheStartElevationbydoing thefollowing:

A.Alignthemachinetothecuttingpathofthe

job-sitesurface.

B.Usingthebladeelevationcrank(Figure18),rotate

thecrankcounterclockwisetolowertheblade untiltheittouchesthejob-sitesurface.

Note:Thebladeisatthe+0mm(+0inch) elevation.

D.Aligntheoutercollartothearborandmoveit

towardtheblade(

Figure17).

E.Alignthedrive-pinholeintheoutercollarwiththe

drivepinprotrudingthroughthesawblade,and thenseatthecollaragainsttheblade(Figure17).

F.Rotatetheoutercollarandsawbladeinthe

oppositedirectionoftherotationarrowonthe bladeguardtoremoveanyresidualdrivepin

1.Indexpin3.Elevationcrank

2.Index-pinhole

Figure18

Elevationcrank

backlash

G.Installthelockwasherandarbornut(

Figure17).

C.Rotatetheelevationcrank1revolutionclockwise

toraisethebladeelevation(Figure18).The machineisattheStartElevation.

Note:TheStartElevationiswhenthesaw

STOP

G019222

bladeisat+11mm(+7/16inch)abovethe job-sitesurface.Raisethesawbladetothestart elevationwhenmovingthemachine,maintaining themachine,andstartingandstoppingtheengine

2.Adjustthecutdepthofthesawbladeasfollows:

•Rotatetheelevationcrankclockwisetoraisethe

bladeelevation.

•Rotatetheelevationcrankcounterclockwiseto

lowerthebladeelevation.

AdjustingtheBlade-DepthGauge (Model68046)

1.Adjustthebladeelevationtothe+0mm(+0 inch)elevation;refertostepsAandBin ChangingCutDepth(page14).

2.Rotatethedialoftheblade-depthgaugeuntilthe pointer(white)isalignedwiththe“-0”markonthe gauge(Figure18).

LockingtheBladeElevation

Thebladeelevationcanbelockedwhenmaintainingtheblade elevationisdesirable.Lockthebladeelevationasfollows:

1.Raiseorlowerthesawbladebyrotatingtheelevation crankuntilthedesiresbladeelevationisachieved (Figure18).

2.Ifnecessary,rotatetheelevationcranktoalignthe indexpininthebottomofthecrankhandlewitha index-pinholeintheoperatorpanel(Figure18).

3.Pulltheelevationcrankuptoengagetheindexpinin thehole(Figure18).

Note:Tounlockthebladeelevation,pushdownthe elevationcranktodisengagetheindexpinfromthe indexhole.

AligningthePointer

Note:Model68045hasafrontpointer.Model68046hasa

frontandbackpointer.

1.EnsurethatthesawbladeisattheStartElevation; refertostepCinChangingCutDepth(page14).

Figure19

BladeDepthGauge

1.Dialandpointer3.Elevationcrank

2.Blade-depthgauge4.Index-pinhole

2.Parkthemachineonalevelsurfaceandturnoffthe engine;refertoStoppingtheEngine(page19).

3.Ensurethatthemachinesurfacesarecool.

Note:Ensurethatthebladeisinstalled;referto InstallingtheBlade(page13).

AligningtheFrontPointer

Note:Thefrontpointeralignmentprocedurerequiresa1.2

m(4ft)minimumlengthofmasonline.

1.Lowertheforwardpointer.

2.Pullalengthofmasonlineacrossthesurfaceofthe saw-bladecoreandextendittotheendofthepointer (onestraightline)asshowningureFigure20.

3.Adjustthepointerpositionasfollows:

•Model68045—Alignthefrontpointerbycarefully

bendingthebarofthepointeruntilitisaligned withthemasonline(Figure20).

3.RaisethesawbladetotheStartElevation;referstep CinChangingCutDepth(page14).

Note:Refertothebladedepthgaugewhenraising andloweringthesawblade(Figure19).

G019226

Figure20

G019228

G019231

PointerAlignment(Model68045)

1.Pointer

2.Mason’sline

3.Saw-bladecore

•Model68046—Alignthefrontpointerbydoing

thefollowing:

A.Loosenthumbscrewthatsecurestheforward

pointertothepointerfork(

Figure21

ForwardPointerAlignment(Model68046)

1.Pointerfork4.3–6mm(1/8–1/4inch)

2.Thumbscrew5.Masonline

3.Forwardpointer

6.Saw-bladecore

Figure21).

Figure22

RearPointerAlignment(Model68046)

1.Forwardpointer

2.Sawblade

3.Rearpointer

4.Chalkline

5.3–6mm(1/8–1/4inch)

6.Thumbscrew

7.Console

2.Alignthesawbladeandtheforwardpointertotheline markingthejobsitesurface(

Figure22).

3.Atthebackoftheconsole,loosenthumbscrewthat securesthepointertothebackofthebaseandrotate thepointerdown(Figure22).

4.Slidethepointerleftorrighttoalignittotheline markingthejobsitesurface,andelevatethepointer3–6 mm(1/8–1/4inch)abovethesitesurface(Figure22).

5.Tightenthethumbscrewthatsecuresthepointerto baseofthemachine(Figure22).

B.Slidethepointerleftorrighttoalignit

withthemasonline,andelevated3–6mm (1/8–1/4inch)abovethejobsitesurface (Figure21).

C.Tightenthethumbscrewthatsecures

theforwardpointertothepointerfork (Figure21).

AddingFuel

•Forbestresults,useonlyclean,fresh,unleadedgasoline

withanoctaneratingof87orhigher((R+M)/2rating method).

•Oxygenatedfuelwithupto10%ethanolor15%MTBE

byvolumeisacceptable.

•DoNotuseethanolblendsofgasoline(suchasE15

AligningtheRearPointer(Model68046)

Note:Therearpointeralignmentprocedurerequiresa3m

(10ft)minimumlengthofchalkline.

Note:Alignthefrontpointerbeforealigningtherear pointer;refertoAligningtheFrontPointer(page15).

1.Marka3m(10ft)orlongerlineonthejobsitesurface bysnappingachalklineonthesurface(

Figure22).

orE85)withmorethan10%ethanolbyvolume. Performanceproblemsand/orenginedamagemayresult whichmaynotbecoveredunderwarranty.

•DoNotusegasolinecontainingmethanol.

•DoNotstorefueleitherinthefueltankorfuelcontainers

overthewinterunlessafuelstabilizerisused.

•DoNotaddoiltogasoline.

DANGER

WARNING

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.

Gasolineisharmfulorfatalifswallowed.Long-term exposuretovaporscancauseseriousinjuryand illness.

•Avoidprolongedbreathingofvapors.

•Keepfaceawayfromnozzleandgastankor conditioneropening .

•Keepgasawayfromeyesandskin.

Important:Donotmixoilwithgasoline.

RecommendedFuel

UnleadedGasoline

U.S.

Except U.S.

Pumpoctanerating87orhigher

Researchoctanerating92orhigher Pumpoctanerating87orhigher

UsingStabilizer/Conditioner

Useafuelstabilizer/conditionerinthemachinetoprovide thefollowingbenets:

•Keepsgasolinefreshduringstorageof90daysorless.

Forlongerstorageitisrecommendedthatthefueltank bedrained.

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.

•Cleanstheenginewhileitruns.

•Eliminatesgum-likevarnishbuildupinthefuelsystem,

whichcauseshardstarting.

Important:Donotusefueladditivescontaining methanolorethanol.

Addthecorrectamountofgasstabilizer/conditionertothe gas.

Note:Afuelstabilizer/conditionerismosteffectivewhen mixedwithfreshgasoline.Tominimizethechanceofvarnish depositsinthefuelsystem,usefuelstabilizeratalltimes.

FillingtheFuelTank

Note:Thefueltankcapacityis6.1liter(1.61USGallon).

1.Parkthemachineonalevelsurface,stoptheengine, andallowtheenginetocool.

2.Cleanaroundthefueltankcapandremoveit (

Figure23).

•Ifagasolinedispensernozzlemustbeused, keepthenozzleincontactwiththerimofthe fueltankorcontaineropeningatalltimesuntil fuelingiscomplete.

G019224

Figure23

0 20 40 60

10 0°F

-20 -10 0 10 20 30 40 °C

5W–30 · 10 W– 30

G019298

G018670

1.Fueltankcap

3.Addunleadedgasolinetothefueltank,untilthelevelis 1/4to1/2inchbelowthebottomofthellerneck.

Important:Thisspaceinthetankallowsgasoline toexpand.Donotllthefueltankcompletelyfull.

Note:SAE10W-30isrecommendedforgeneraluse.Other viscositiesshowninthechartmaybeusedwhentheaverage temperatureinyourareaiswithintheindicatedrange.

CheckingtheEngineOilLevel

Important:Runningtheenginewithlowoillevelcan

causeenginedamage.Thistypeofdamageisnot coveredbywarranty.

Theengineisequippedwithanoilalertsystemthatwill automaticallystoptheenginebeforetheoillevelfalls belowthesafelimit.

1.Ifthesawbladeisinstalled,dothefollowing:

A.Ensurethatthesawbladeisatthe

StartElevation;refertostep AdjustingtheCuttingDepth(page14).

B.Removethesawblade;referto

RemovingtheBlade(page12).

2.Leveltheenginebyraisingorlowering itwiththeelevationcrank;referto AdjustingtheCuttingDepth(page14).

3.Cleanaroundtheoildipstick.

4.Removetheoilller/dipstickandwipeitclean (Figure25).

Cin

4.Installthefueltankcapsecurely.

5.Wipeupanygasolinethatmayhavespilled.

ServicingtheEngineOil

ServiceInterval:Beforeeachuseordaily—Checktheengine

oillevel.

Important:Use4-strokemotoroilthatmeetsofexceeds therequirementsforAPIservicecategory equivalent).AlwayschecktheAPIservicelabelonthe oilcontainertobesureitincludestheSJorlater(or equivalent).

Figure24

RecommendedOilViscosity

SJ or later

(or

Figure25

OilFiller/DipStick

1.Oilllercap/dipstick

2.Fillerport

3.DrainPlug

5.Inserttheoilller/dipstickintothellerneckas showningureFigure26,butdonotthreaditinto thellerneck.

1.Oilviscosityrangeforambientoperatingtemperatures

G018669

Figure26

G019270

MaximumandMinimumOilLevels

1.Upperoillimit2.Loweroillimit

Note:Onmodel68046machines,donotusethe throttlecontrolleverontheengine.

4.Ontheengine,movetheleverofthefuelvalveto theOnposition—allthewaytotheright;referto FuelValve(page8).

5.Tostartacoldengine,movethechokelevertothe Closedposition—allthewaytotheleft;referto ChokeLever(page9).

Note:T orestartawarmengine,leavethechokelever intheOpenposition(allthewaytotheright).

6.Ontheengine,rotatetheengineswitchtotheOn position;refertoEngineOn/OffSwitch(page9).

7.Pulltherecoilstarthandlelightlyuntilyoufeel resistance,thenpullthehandlebriskly .Returnthe starterhandlegently(Figure27).

6.Removetheoilller/dipstickfromthellerportand lookattheendofthedipstick.Theoillevelshouldbe tothetopoftheupperlimitrange(Figure26).

Important:Donotoverllthecrankcasewithoil becausetheenginemaybedamaged.

7.Iftheoillevelislow ,slowlypouronlyenoughoilinto theenginecrankcasetoraisetheleveltotheupperlimit.

8.Threadthedipstickintothellerporthandtight.

9.Ifthemachineisbeingoperated,installthesawblade; reference

InstallingtheBlade(page13).

StartingandStoppingthe Engine

StartingtheEngine

1.RaisethesawbladetotheStartElevation;referto stepCinAdjustingtheCuttingDepth(page14).

2.Model68046—Ontheoperatorpanel,press theengineswitchtotheRunposition;referto EngineSwitch(Model68046)(page9).

3.Positionthethrottleasfollows:

•Model68045—Ontheengine,movethethrottle

leverawayfromtheMIN.position,1/3of thewaytowardtheMAXposition;referto ThrottleLever(Model68045)(page9).

•Model68046—Ontheoperatorpanel,move

thethrottlecontrolawayfromtheSlowposition, 1/3ofthewaytowardtheFastposition;referto ThrottleControl(Model68046)(page9).

Figure27

StartingtheEngine

8.IfthechokeleverissettotheClosedpositionto starttheengine,graduallymovethechokeleverback towardtheOpenpositionastheenginewarmsup. Iftheenginestallsorhesitates,movethechokelever backtowardstheClosedpositionuntiltheengineruns smooth.Allowtheenginetowarmup,thenmovethe chokelevertotheOpenposition.

StoppingtheEngine

WARNING

Inanemergencysituation,stoptheengine immediately.

Important:Duringnormaloperation,iftheenginehas beenworkinghardorishot,letitrunforaminutebefore stoppingtheengine.Thishelpstocooltheengine beforestopping .

Duringnormaloperatingconditions,shutdowntheengine asfollows:

1.RaisethesawbladetotheStartElevation;referto AdjustingtheCuttingDepth(page14)

CuttingtheJob-SiteSurface

2.EnsurethatthechokeleverisintheOffposition;refer toChokeLever(page9).

3.Dothefollowingtostoptheengine:

•Model68045

A.Ontheengine,movethethrottle

levertotheMIN.position;referto ThrottleLever(Model68045)(page9).

B.RotatetheengineswitchtotheOffposition;

refertoEngineOn/OffSwitch(page9).

•Model68046

A.Ontheoperatorpanel,movethethrottle

controltotheSlowposition;referto ThrottleControl(Model68046)(page9).

B.Ontheoperatorpanel,presstheengine

switchtotheStopposition;referto EngineSwitch(Model68046)(page9).

C.Ontheengine,rotatetheengine

switchtotheOffposition;referto EngineOn/OffSwitch(page9).

4.MovetheleveronthefuelvalvetotheOffposition; refertoFuelValve(page8).

EmergencyStop

Inanemergencysituation,shutdownthemachineasfollows:

•Model68045—Ontheengine,rotatetheengineswitchto

theOffposition;refertoEngineOn/OffSwitch(page9).

•Model68046—Ontheoperatorpanel,Press

theengineswitchtotheStopposition;referto EngineSwitch(Model68046)(page9).

CAUTION

•Operatethemachinewiththesafetyguardsin placeandingoodcondition.

•Donotoperatethemachinewithablade diameterlargerthanthespeciedcapacity;refer

Specications(page10).

•DonotexceedthemaximumRPMofthe blade;refertothemaximumarborspeedin Specications(page10).

•Checkthebladecoolingrequirements. Wet-cuttingdiamondbladesmustbeusedwith coolant.Drycuttingbladescanbeusedwith orwithoutcoolant.

•Donotmakelongcontinuouscutswhendry cutting.Neverdrycutformorethan30seconds atatime.Allowthebladetocoolbetweeneach pass.

•Donotdrycutwithabladerecommendedfor wetcutting .

•Donotforcethebladeintothematerial;allow thebladetocutatitsownrate.

•Donotcutorgrindwiththesideofblade.Do notcutacurveofradius.

•Inspecttheconditionofthesawbladedailyfor excessivecorewear,cracks,missingsegments, arborholewear,anddriveholewear.Replace wornordamagedblades.

•Usecarewhenloweringathebladeintoan existingcut.Ensurethatthebladeisaligned withthecut.

ConnectingtheWaterSupply

1.Ensurethatthewatersupplytothehoseisturnedoff.

2.Atthebackofthemachineandbelowtheoperator’s console,locatethewatershutoffvalveandcoupling (Figure28).

G019273

Figure28

G019280

WaterShutoffV alveandConnector

1.Offposition3.Shutoffvalveandcoupling

2.Onposition

4.Watersupplyhose

3.Ensurethatthehandlefortheshutoffvalveisinthe Offposition(

Figure28).

4.Alignthehosewiththecouplingandthreadthe couplingandhosetogether(

5.Tightenthecoupling.

CuttingOperation

Prepareforthecuttingoperationbydoingthefollowing:

1.RaisethesawbladetotheStartElevationandlock thebladeelevationbyengagingtheindexpinofthe crankhandlewithanindexholeintheoperatorpanel; refertoAdjustingtheCuttingDepth(page14)and LockingtheBladeElevation(page15).

2.Iftheforwardpointerisstowedintheupposition, rotatetheextendedposition(Figure29).

Figure28).

Figure29

ForwardPointer(Models68045and68046)

1.Model680453.Extendedposition

2.Stowedposition

4.Model68046

3.Movethemachinetoalignthepointer(s)andsawblade tothecuttingpathofthejob-sitesurface.

4.Ifwetsawing,dothefollowing:

A.Connectthewaterline;referto

ConnectingtheWaterSupply(page20).

B.Ensurethatthehandleofthewatershutoffvalve

isintheOffpositionandwatersupplytothe hoseisturnedon.

5.Starttheengine;referto

StartingtheEngine(page19).

Note:Allowtheenginetowarmupuntilitruns smoothlywiththechokeleverintheOpenposition.

6.Adjusttheenginespeedasfollows:

Note:Allsawingisdoneatfullenginespeed.

•Model68045—Movethethrottlelevertothe

MAXposition.

•Model68046—Movethethrottlecontroltothe

Fastposition.

7.Ifwetsawing,rotatethehandleofthewatershutoff valvetotheOnposition(

Figure28).

Important:Ensurethatwaterisowingtothe sawblade.

Beginthecuttingpassbydoingthefollowing:

Important:Forcutsdeeperthan102mm(4inch),

G019282

1 2

severalcuttingpassesshouldbemadein38mm(1–1/2 inch)to51mm(2inch)stepsuntilthedesiredcutdepth isreached.

1.Unlockthebladeelevationbypushingtheelevation crankdowntodisengagetheindexpin.Rotatethe elevationcrankcounterclockwisetolowerthesaw bladetotouchthejob-sitesurface.

Note:Thebladeisat+0mm(+0inch)elevation.

Note:Formodel68046machines,rotate

thedialofthebladedepthgaugetoalign themarkwithzero;refertostep2 inAdjustingtheBlade-DepthGauge(Model68046)(page15).

2.Slowlyrotatetheelevationcrankcounterclockwiseto lowerthesawbladeintothecuttingpathofthejob-site surface.

3.Whenthesawbladeisatthedesiredcuttingdepth, aligntheindexpinintheelevationcrankwithanindex holeintheoperatorpanelandlockthebladeelevation; refertoLockingtheBladeElevation(page15).

Important:Avoidexcessivesidepressureor twistingofthebladewhileitisinthecut.Use onlyenoughsidepressureonthehandlebarofthe machinetoaligntheittothecuttingpath.

4.Pushthemachinesteadilyforward.Feedthemachine intothecutasfastasthesawbladewillallow .Ifthe bladeclimbsoutofthecut,reducetheforward-feed forceorreducethedepthofthecut.

ChangingtheCuttingPosition

Usethisproceduretocongureamachinewiththebladeon therightsidetoamachinewiththebladeontheleftside,or changethesawbladepositionfromtheleftsidetotheright.

Note:Theillustrationsbelowshowchangingtheblade positionfromaleft-handinstallationtoaright-hand installation.

PreparingtheMachineforthePosition Change

1.Preparethemachineforthepositionchangebydoing thefollowing:

A.RaisethesawbladetotheStartElevation;refer

tostepCinChangingCutDepth(page14).

B.Parkthemachineonalevelsurfaceandturnoff

theengine;refertoStoppingtheEngine(page19).

C.Ensurethatthemachinesurfacesarecool.

D.Disconnectthesparkplug(

2.Removethebladeasfollows:

A.Removethe2wrenchesfromthestorage

bracketattheback-leftsideoftheoperator panelandremovethesawblade;referto RemovingtheBlade(page12).

B.Assembletheoutercollar,lockwasher,andarbor

nuttothearbor.Tightenthenut.

Figure13).

Note:Exertenoughfeedforceonthemachinesothat theenginebeginstolabor,butthebladeRPMdoesnot slow .Iftheenginebeginstostall,reducethefeedforce tothemachineuntilthefullbladeRPMisrestored.

Finishthecuttingpassbydoingthefollowing:

1.Attheendofthecuttingpass,unlocktheblade elevationandraisethesawbladetotheStartElevation; refertoAdjustingtheCuttingDepth(page14).

2.Lockthebladeelevation;referto LockingtheBladeElevation(page15).

3.Ifwetsawing,rotatethehandleofthewatershutoff valvetotheOffposition(Figure28).

4.Adjusttheenginespeedandallowittoidleatminimum enginespeedfor5minutesasfollows:

•Model68045—MovethethrottlelevertotheMIN

position.

•Model68046—Movethethrottlecontroltothe

Slowposition.

Note:Idlingtheenginebeforeshuttingtheitoff improvestheengineservicelife.

5.Shutofftheengine;referto StoppingtheEngine(page19).

ChangingtheWaterHosePosition

Repositionthewaterhoseasfollows:

1.Releasetheinnerandouterserratedsegmentsfromthe hoseclampthatsecuresthewaterhosetothebarbed ttinginthebladeguard(Figure30).

Figure30

WaterHoseandFitting

1.Sawbladeguard

2.Barbedtting

3.Hoseclamp

4.Waterhose

2.Removethewaterlinefromthebarbedtting.

G019283

1 2

G019285

G019286

Note:Removethehoseclampfromthewaterline andretainit.

3.Routethewaterlineasfollows:

•Model68045—Routethewaterhosetothe

oppositesideofthemachine.

•Model68046

A.Pushthewaterhoseinthroughtheopening

atthebottom-forwardcorneroftheconsole

Figure31).

(

Figure31

ReroutingtheWaterHose

1.Leftposition

2.Rightposition

Figure32

BladeGuardRemoval

1.Forwardboltandwashers3.Rotationarrow

2.Bladeguard4.Rearboltandwashers

B.Supportthebeltguardandremovetherearbolt

andwashersthatsecurestheguardtothebase. Removetheguard(Figure32).

C.Removetheboltsandwashersthatsecurethe

shaftguardtothebaseofthemachine,and removetheguard(Figure33).

B.Frominsidetheconsole,pushthewater

hoseoutthroughtheopeningatthe bottom-forwardcorneroftheconsoleonthe oppositeside(Figure31).

ChangingtheGuardPosition

1.Removethebladeguardandshaftguardasfollows:

A.Usingawrenchfromthemachine,removethe

forwardboltandwashers,locatedinsidethebelt guard,thatsecuretheguardtothebaseofthe machine(Figure32).

ShaftGuardRemoval

1.Shaftguard

2.Installthebladeguardasfollows:

Important:

Left-hand

thatthearrowonoutsideofthebladeguard indicates

counterclockwise

Figure33

2.Boltandwashers

bladeinstallation—ensure

rotation.

Important:

G019287

1 2

G019288

Right-hand

bladeinstallation—ensure thatthearrowonoutsideofthebladeguard indicates

clockwise

rotation.

A.Positionthebladeguardattheoppositesideof

themachine.

B.Alignthecutoutinthebladeguardwiththearbor.

C.Alignthemountingholesofthebladeguardwith

theholesinthebaseofthemachine.

D.Looselyassembletherearboltandwashers,

removedinstep1–A,tothebladeguardandinto thebaseofthemachine.

E.Securetheguardandtothebasewiththeforward

boltandwashersthatwereremovedinstep1–B.

F.Tightentherearbolt.

A.Removethebolt,washers,andnutthatsecure

thepointertothemountingtabonbaseofthe machine(Figure35).

Figure35

PointerPositionChange(Model68045)

3.Installthewaterlineasfollows:

A.Sliptheclamp,removedinstep

ofChangingtheWaterHosePosition(page22), overthefreeendofthewaterhose(Figure34).

Figure34

WaterHoseAssembly

1.Hoseclamp

2.Waterhose4.Bladeguard

3.Barbedtting

B.Aligntheendofthewaterhosetothebarbed

ttinginthebladeguard(Figure34).

1.Nut

2.Washer5.Washer

3.Right-handposition6.Bolt

4.Left-handposition

B.Alignthepointertotheothersideofthemachine

(

Figure35).

C.Aligntheholeinthepointerwiththemounting

tabonthebase.

D.Securethepointertothebasewiththebolt,

washersandnutremovedinstep

A(Figure35).

2.Installthesawblade;referto InstallingtheBlade(page13).

3.Alignthepointer(s);referto AligningtheFrontPointer(page15).

ChangingtheForwardandRearPointer Position(Model68046)

1.Changethepositionoftheforwardpointerasfollows:

A.Attheforwardpointer,loosenthethumbscrew

thatsecuresthepointertothepointerfork (Figure36).

C.Centertheclampoverthettingandsqueezethe

clamptight.

4.Installtheshaftguardasfollows:

A.Alignthemountingholesintheshaftguardwith

theholesinthebase.

B.Securetheshaftguardtothebaseofthemachine

withtheboltsremovedinstep1–C.

ChangingtheForwardPointerPosition (Model68045)

1.Changethepositionoftheforwardpointerasfollows:

G019289

TransportingtheMachine

PreparetheMachineforTransport

1.Removethesawblade.

2.Rotatetheelevationcrankcounterclockwisetolower themachinetothelowestelevationheight.

3.MovetheleveronthefuelvalvetotheOffposition—all thewaytotheleft;refertoFuelValve(page8).

4.Raiseandsecuretheforwardpointertothestowed position(

5.Model68046—stowtherearpointer(Figure22).

LiftingtheMachine

Movethemachineontothetransportvehicleasfollows:

•Usingarampthatisratedfortheweightofthemachine,

pushtheituptherampandontothevehicle.

•Liftthemachineontothetransportvehicle.

Note:Model68046—Ifaliftingequipmentofadequate capacityisavailable,securethecable,chain,orstrapto theliftingbaleandliftthemachine.

Figure29).

Figure36

PointerPositionChange(Model68046)

SecuringtheMachineforTransport

Dothefollowingtopreventmovementofthemachineon

1.Forwardpointer ,left-hand position

2.Thumbscrewandcross tube

3.Forwardpointer, right-handposition

4.Rearpointer,right-hand position

5.Rearpointer,right-hand position

thetransportvehicle:

•Securethemachinewithcabling,straps,orchainstothe

transportvehicle.

•Protectthemachinebypaddingthecabling,straps,and

chainswherecontactwiththesurfacesofthemachine occurs.

B.Removethepointerfromthecrosstubeinthe

pointerforkandinsertitintothecrosstubeatthe

•Secureblockingtothebedofthetransportvehicle,and

aroundthebaseofthemachine.

oppositesideofthefork(Figure36).

C.Tightenthethumbscrew .

2.Changethepositionoftheforwardpointerasfollows:

A.Attherearpointer,loosenthethumbscrewthat

securesthepointertothecrosstubeonthebase ofthemachine(

Figure36).

B.Removethepointerfromthecrosstubeand

insertitintotheoppositeendofthecrosstube (Figure36).

C.Tightenthethumbscrew .

3.Installthesawblade;referto InstallingtheBlade(page13).

4.Aligntheforwardandrearpointersasdescribedin AligningthePointer(page15).

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

Important:Themachinemaybetippedbackwardoronitssidetofacilitateaccessforcleaningorservice,butno

longerthan2minutes.Ifthemachineisheldinthispositionfortoolong,theenginecanbedamagedbygasoline drainingintothecrankcase.Shouldthishappen,performanextraoilchangeontheengine.Thenturntheengine overafewrevolutionswiththerecoilstarthandlebeforestartingtheengineagain.

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

Aftertherst50hours

Beforeeachuseordaily

Aftereachuse

Every25hours

Every40hours

Every50hours

Every100hours

Every300hours

MaintenanceProcedure

•Changetheoil.

•Checktheengineoillevel.

•Greasethemachine.

•Lubricatetheelevationscrew .

•Checktheairltercondition.Checkmorefrequentlyifoperatingconditionsaredusty.

•Checktheconditionofthesawbladeconditionforwearanddamage.

•Cleanthemachine.

•Changetheoilwhenoperatedunderheavyloadsorinhightemperatures.

•Checkthepulleysecurityandalignment,andthedrivebelttension.Replacethe damagedbeltsasneeded.

•Servicethecyclonehousing/lter.Cleanthehousing/ltermorefrequentlywhen operatingthemachineindustyconditions.

•Cleantheairlter.Cleanmorefrequentlyifoperatingconditionsaredusty.

•Changetheoil.

•Cleanthesedimentcup.

•Checkthesparkplug.

•Cleanthesparkarrester.

•Replacetheairlter.Changetheairltermorefrequentlyifoperatingconditions aredusty.

•Replacethesparkplug.

Yearlyorbeforestorage

Every2years

Important:Refertoyour

•Changetheoil.

•Cleanthefuelsedimentcup.

•Replacealldrivebelts.Replacethebeltsifanyshowsanysignsofwear,cracks, glazing,ordamage.

Engine Operator's Man ual

foradditionalmaintenanceprocedures.

Lubrication

G019290

G019303

GreasingtheMachine

ServiceInterval:Beforeeachuseordaily

GreaseType:General-purposegrease.

1.Greasethetiltbearingandarborbearingblocksby doingthefollowing:

A.Elevatethebladetoitshighestposition.

B.Atthefrontofthemachine,ndthegrease

ttingsforthetiltbearingandarborbearing blocksthatarelocatedbeneaththebaseofthe machine(Figure37).

LubricatetheElevationScrew

ServiceInterval:Beforeeachuseordaily

1.Usingarag,wipetheelevationscrewandtiltarmclean ofexcesslubricant,dirt,anddust.

Figure38

LubricatingtheBladeElevationScrew

Figure37

C.Cleanthegreasettingswitharag.

D.Connectagreaseguntoeachtting.

E.Pumpgreaseintothettingsuntileithergrease

beginstooozeoutofthebearingsor3pumps.

F.Wipeupanyexcessgrease.

Important:Pumpgreaseinslowlyand carefullytopreventdamagetothebearing seals.

G.LowerthesawbladeelevationtotheStart

Elevation.

1.Tiltarm3.Dry-graphitelubricant (120-4817)

2.Elevationscrew

2.Slowlyrotatetheelevationcrankwhileapplyingacoat ofdry-graphitelubricant(Toropartnumber120-4817) orequivalentonthethreadsoftheelevationscrew .

2.Greasethewheelbearingsasfollows:

A.Locatethegreasettingsattherearwheels

(

Figure37).

B.Cleanthegreasettingswitharag.

C.Connectagreaseguntoeachtting.

D.Pumpgreaseintothettingsuntilgreasebeginsto

oozeoutofthebearings(approximately3pumps).

E.Wipeupanyexcessgrease.

Important:Pumpgreaseinslowlyand carefullytopreventdamagetothebearing seals.

EngineMaintenance

5.Aligntheairintakescreenofthecyclonehousingwith theopeningintheairltercover.Carefullyassemble thecyclonehousingthelterhousing(

Figure39).

ServicingtheAirFilter

ServiceInterval:Beforeeachuseordaily—Checktheair

ltercondition.Checkmorefrequently ifoperatingconditionsaredusty.

Every50hours—Servicethecyclonehousing/lter. Cleanthehousing/ltermorefrequentlywhen operatingthemachineindustyconditions.

Every50hours—Cleantheairlter.Cleanmore frequentlyifoperatingconditionsaredusty.

Every300hours/Yearly(whichevercomes rst)—Replacetheairlter.Changetheairltermore frequentlyifoperatingconditionsaredusty.

Thecycloneairltercollectsthelargestcontaminantparticles, whichcollectinthecontainer.Whenyoucanseealayerof dirtatthebottomofthecontainer,cleanthecyclonehousing, airchannels,andairintakescreen.

ServicingtheCycloneAirFilter

1.Removethe3screwsthatsecurethecyclonehousing totheairlterhousing.

Note:Ensurethattheslotinthecyclonecoverthat isadjacenttheairintakescreenisalignedwiththetab inthebottomoftheairltercover;Donotuseforce; alignitinplace.

6.Securethecyclonehousingtotheairltercoverwith thescrewsremovedinstep1(Figure39).

CleaningtheAirFilter

Important:Iftheengineislowonpower,produces

blacksmokeorrunsunevenly,theairltermaybe restricted.

1.Removethewingnutandliftofftheairltercoverand cyclonehousing(

Figure40).

2.Removethecyclonehousingwiththeairintakescreen, andremovetheairguide(Figure39).

Figure39

1.Airltercover

2.Screw4.Cyclonehousingwithair

Note:Theairguidemayremainintheairltercover whenthecyclonehousingisremoved.Grasptheair guideandcarefullypulldowntoremoveit.

3.Cleanthecomponentsusingwaterandabrush.Dry carefully.

4.Seattheairguideintothecyclonehousing.

3.Airguide

intakescreen

Figure40

1.Wingnut

2.Airltercoverandcyclone housing

3.Foampre-lter

Important:Replacethefoampre-lterorthe air-lterelementorbothifdamaged.

2.Removethefoampre-lter.Cleanitasfollows:

A.Cleanthepre-lterusingwarmsoapywater.

B.Rinsethepre-lterincleanwater,squeezethe

waterout,andallowtheltertodry.

C.Soakitwithnewengineoil.

4.Air–lterelement

5.Stud

D.Gentlywindthelterinanabsorbentclothand

squeezeoutexcessoil.

3.Removethewingnutontopoftheairlterand removethepaperlter(Figure40).

4.Taptheair-lterelementagainstaxedsurfaceseveral timestoremovedirt.Ifthepaperlterisstilldirtyor damaged,replacethelterelement.

Important:Donotusecompressedairtoblow outthepaperelement,thiscandamageit.

ChangingtheEngineOil

ServiceInterval:Aftertherst50hours/Monthly

(whichevercomesrst)—Changetheoil.

Every100hours/Every6months(whichevercomes rst)—Changetheoil.

Every25hours—Changetheoilwhenoperatedunder heavyloadsorinhightemperatures.

Yearlyorbeforestorage—Changetheoil.

Note:Replacetheair-lterelementevery300hours.

5.Aligntheair-lterelementonthelowerair-lter housingandsecureitwiththewingnutremovedin step3(Figure40).

6.Positionthefoampre-lterovertheair-lterelement (Figure40).

7.Aligntheair-ltercoverandcyclonehousingwiththe studandlowerair-lterhousing,andsecurethecover withthewingnutremovedinstep

1(Figure40).

ReplacingtheAirFilter

1.Removethewingnutandliftofftheairltercoverand cyclonehousing(Figure40).

2.Removethewingnutontopoftheairlterandremove thepre-lterandair-lterelement(Figure40).

3.Alignthenewpre-lterandair-lterelementwiththe lowerair-lterhousingandsecureitwiththewingnut removedinstep2(Figure40).

4.Aligntheair-ltercoverandcyclonehousingwiththe studandlowerair-lterhousing,andsecurethecover withthewingnutremovedinstep1(Figure40).

DrainingtheEngineOil

Draintheengineoilasfollows:

1.EnsurethatthesawbladeisattheStartElevation; refertostepCinAdjustingtheCuttingDepth(page14).

2.Starttheengineandletitrunveminutes;referto StartingtheEngine(page19).

Note:Thiswarmstheoilsoitdrainsbetter.

3.Removethesawblade;referto RemovingtheBlade(page12)

4.Lowerthefrontoftheenginebyrotating theelevationcrankcounterclockwise;referto AdjustingtheCuttingDepth(page14).

5.Placeadrainpanwitha1.9liter(2USquart)capacity undertheoil-drainportoftheengine(

Figure41).

G019297

Figure41

0 20 40 60

10 0°F

-20 -10 0 10 20 30 40 °C

5W–30 · 10 W– 30

G019298

DrainingtheEngineOil

1.Oil-drainport4.Drainpan,1.9liter(2US

2.Washer

3.Drainplug

quart)

5.Oilllcap/dipstick

Figure42

RecommendedOilViscosity

1.Oilviscosityrangeforambientoperatingtemperatures

Note:SAE10W-30isrecommendedforgeneraluse.Other viscositiesshowninthechartmaybeusedwhentheaverage temperatureinyourareaiswithintheindicatedrange.

1.Leveltheenginebyraisingitwiththeelevationcrank; refertoAdjustingtheCuttingDepth(page14).

2.Removetheoilllcap/dipstickandslowlypour approximately80percentofthespeciedamountof oilintotheengine(Figure41).

3.Slowlyaddadditionaloiltobringtheoillevel totheupperlimitmarkonthedipstick.Refer toCheckingtheEngineOilLevel(page18).

4.Installtheoilllcap/dipstick.

5.Installthesawblade;referto InstallingtheBlade(page13).

ServicingtheFuelSystem

6.Removethedrainplugandwasher,anddraintheoil (Figure41).

7.Whentheoilhasdrainedcompletely,installthedrain plugwithanewwasher,andwipeupanyspilledoil (Figure41).

Note:Disposeoftheusedoilatacertiedrecycling

CleaningtheSedimentCup

ServiceInterval:Every100hours/Every6months

(whichevercomesrst)—Cleanthe sedimentcup.

Yearlyorbeforestorage—Cleanthefuelsedimentcup.

center.

Underneaththefuelvalveisasedimentcuptocatchdirtin thefuel.

FillingtheEngineCrankcasewithOil

1.RaisethesawbladetotheStartElevation;referto

Fillthecrankcasewithoilasfollows:

Important:Use4-strokemotoroilthatmeetsofexceeds therequirementsforAPIservicecategory

SJ or later

(or equivalent).AlwayschecktheAPIservicelabelonthe oilcontainertobesureitincludestheSJorlater(or equivalent).

stepCinChangingCutDepth(page14).

2.Parkthemachineonalevelsurfaceandturnoffthe engine;referto

StoppingtheEngine(page19).

3.Ensurethatthemachinesurfacesarecool.

4.MovetheleverofthefuelvalvetotheOffposition,all thewaytotheleft(Figure43).

5.Unscrewthesedimentcup.Removethefuellterand O-ring(

Figure43).

Note:MakesurenottomisplacetheO-ring

G019333

3.Pullthesparkplugwireofftheterminalofthespark

G019300

1 2

plug(Figure44).

Figure44

Figure43

SedimentCupandFuelFilter

1.Fuelvalve(Off)3.Fuellter

2.O-Ring4.Sedimentcup

Note:DonotcleantheO-ringinsolvent.

6.Cleanthefuellterandsedimentcupusinga nonammablesolventanddrycarefully .

7.WipetheO-ringwithaclean,drycloth.

8.Installthefuellterinthebottomofthecarburetor

Figure43).

(

9.AligntheO-ringintothegrooveinthesedimentcup andinstallthesedimentcuptofuelvalvehousing.

10.MovetheleverofthefuelvalvetotheOnposition(all thewaytotheright)andcheckforleaks.Ifitleaks, replacetheO-ring.

ServicingtheSparkPlug

1.Sparkplug

2.Wire

4.Cleanaroundthesparkplug.

5.Rotatethesparkplugcounterclockwiseusinga20mm (13/16inch)sparkplugwrenchtoremovetheplug andsealingwasher.

CheckingtheSparkPlug

Note:Useagappingtool/feelergaugetocheckandadjust

theairgap.Installanewsparkplugifnecessary.

1.Lookatthecenterofthesparkplug(Figure45).Ifyou seelightbrownorgrayontheinsulator,theengineis operatingproperly.

Important:NeverCleanthesparkplug.Always replacethesparkplugwhenithasablackcoating, wornelectrodes,anoilylm,orcracks.

ServiceInterval:Every100hours/Every6months

(whichevercomesrst)—Checkthe sparkplug.

Every300hours/Yearly(whichevercomes rst)—Replacethesparkplug.

Type:BPR6ES(NKG)orW20EPR-U(DENSO),or equivalent

AirGap:0.7–0.8mm(0.28–0.031inch)

Note:Usea20mm(13/16inch)sparkplugwrenchfor removingandinstallingthesparkplug.

RemovingtheSparkPlug

1.Parkthemachineonalevelsurfaceandturnoffthe engine;refertoStoppingtheEngine(page19).

2.Ensurethatthemachinesurfacesarecool.

Figure45

SparkPlugAirGap

1.Sideelectrode

2.Centerelectrode4.0.7–0.8mm(028–.031

3.Insulator

inch)measuredairgap range

2.Withagappingtoolforsparkplugsorfeelergauge, measurethegapbetweenthesideelectrodeandcenter electrode.

1.Checkthegapbetweenthecenterandsideelectrodes (Figure45)ifthegapisnotcorrect.

2.Ifthemeasuredairgapisnotwithinthespeciedair

G019331

gaprange,dothefollowing:

A.Ifthegapistoosmall,carefullybendtheside

electrodeawayfromthecenterelectrodeuntilthe gapbetweentheelectrodesiswithinthemeasured airgaprange.

B.Ifthegapistoolarge,carefullybendtheside

electrodetowardfromthecenterelectrodeuntil thegapbetweentheelectrodesiswithinthe measuredairgaprange.

InstallingtheSparkPlug

Important:Ensurethattheairgapbetweentheside

andcenterelectrodesarecorrectbeforeinstallingthe sparkplug.

1.Threadthesparkplugclockwiseintothesparkplug holebyhand.

Note:Avoidcrossthreadingthesparkplugwiththe threadsofthesparkplughole

2.Rotatesparkplugclockwiseusinga20mm(13/16 inch)sparkplugwrenchuntiltheplugandsealing washerareseated.

ServicingtheSparkArrester

ServiceInterval:Every100hours/Every6months

(whichevercomesrst)—Cleanthespark arrester.

CleaningtheSparkArrester

1.Removethesparkarrestorasfollows:

A.Removethetwo8mmnutsandremovethe

muferfromtheengineexhaustport(Figure46).

3.Tightentheplugasfollows:

•Wheninstallinganin-servicesparkplug,tighten

thepluganadditional1/8–1/4turn.

•Wheninstallinganewsparkplug,tightentheplug

anadditional1/2turn.

4.Installthesparkplugwirepushingthewireontothe terminaloftheplug.

MuferandSparkArrester

1.Exhaustdeector

2.Muferprotector8.Stud

3.6mmscrew

4.Mufer

5.Exhaustpipe11.Exhaustport

6.Nut12.4mmscrew

Note:Retaintheexhaust-pipegasketforthe sparkarresterinstallation.

Figure46

7.Exhaust-pipegasket

9.Sparkarrester

10.5mmscrew

B.Removethethree4mmscrewsfromtheexhaust

deector,andremovethedeectorfromthe muferprotector(Figure46).

C.Removethe6mmscrewandfour5mmscrews

fromthemuferprotectorandremovethe muferprotectorfromthemufer(Figure46).

D.Removethe5mmscrewsfromthesparkarrester,

2.Useabrushtoremovecarbondepositsfromthespark

andremovethesparkarresterfromthemufer (

Figure46).

arresterscreen.Replacethesparkarresterifithas breaksorholes(Figure47).

G019332

BeltMaintenance

G019304

ServicingtheDriveBelts

ServiceInterval:Every40hours—Checkthepulleysecurity

andalignment,andthedrivebelttension. Replacethedamagedbeltsasneeded.

Figure47

CleaningtheSparkArrester

1.Sparkarresterscreen

Note:Becarefulnottodamagethescreen.

3.Installthesparkarresterasfollows:

A.Aligntheholesofthesparkarrestertothespark

arrestermountingpointsinthemufer.

B.Securethesparkarrestertothemuferwiththe5

mmscrewsremovedinstep

(Figure46).

C.Alignthemuferprotectortothemuferand

secureitwiththe6mmscrewand5mmscrews removedinstep1-C(Figure46).

D.Aligntheexhaustdeectorwiththemufer

protectorandsecureitwiththe4mmscrews removedinstep1-B(Figure46).

E.Aligntheexhaustpipegaskettothestudsofthe

exhaustportandushwiththeport.

2.Brush

1-D.

Every2years—Replacealldrivebelts.Replacethe beltsifanyshowsanysignsofwear,cracks,glazing, ordamage.

RemovingtheBeltGuard

1.Parkthemachineonalevelsurfaceandturnoffthe engine;refertoStoppingtheEngine(page19).

2.Ensurethatthemachinesurfacesarecool.

3.Pullthesparkplugwireofftheterminalofthespark plug(Figure44).

4.Loosentheboltsthatsecuretherearmountingpointof thebeltguardtothebaseofthemachine(

Figure48).

F.Alignmountingpointsoftheexhaustpipewith

thestudsoftheexhaustportandsecureitwith thenutsremovedinstep

1-A(Figure46).

Figure48

BeltGuardRemoval

1.Bolt4.Beltguard

2.Washer5.Rearmountingpoint

3.Forwardmountingpoint

5.Removetheforwardboltsthatsecuretheforward mountingpointofthebeltguardtobase(Figure48).

6.Slidethebeltguardforwardandlifttheguardto removeit(Figure48).

CheckingthePulleysandDriveBelts

G019307

G019306

1.Removethebeltguard;referto RemovingtheBeltGuard(page33).

2.Checkthatthearborpulleyiscenteredinthe openinginthebaseofthemachine.Ifthe arborpulleyismisaligned,refertostep3in AligningthePulleys(page36)(Figure49).

(Figure50).Ifthepulleyislooseonthearbor, alignandsecurethepulley;refertostep3in AligningthePulleys(page36).

Figure49

PulleyAlignment

1.Unequalspacingdistance5.Equalspacingdistance

2.Misalignedarborpulley6.Alignedarborpulley

3.Misaligneddrivebelts7.Aligneddrivebelts

4.Misaligneddrive-shaft pulley

3.Checkpulleyalignmentbylookingatthesidesof thebelts,eachshouldruninastraightlineoverand betweeneachpulley(Figure49).Ifthebeltsand pulleysaremisaligned,alignthepulleys;referto AligningthePulleys(page36).

Note:Drivebeltmisalignmentisanindicationofa pulley(s)thatarenotsecuretothearbororthedrive shaftoftheengineorboth.

4.Checkthatthepulleysaresecureasfollows:

Note:Usemoderateforcewhencheckingthesecurity ofthepulleys.Belttensionmayneedtobereduced tocheckforaloosepulley .

A.Checkthatthedrive-shaftpulleyissecuretothe

engineshaftbygraspingthepulleyandpushit towardtheengineandawayfromtheengine.If thepulleyislooseonthedriveshaftoftheengine, alignandsecurethepulley;refertostep5in AligningthePulleys(page36).

8.Aligneddrive-shaftpulley

Figure50

LowerPulleyCheck

1.Lowerpulley

2.Openinginthebase

5.Checkthetensionofthedrivebeltsbydoingthe following:

Note:Thebestdrivebelttensionforthemachineis thelowesttensionatwhichthebeltswillnotslipunder fullload.

A.Layastraightedgeoneachbeltandacrossthe

driveshaftandarborpulleys(Figure51).

B.Checkthatthearborpulleyissecuretothe

arborbypryingbetweentheopeninginthe baseandendsofpulleywithascrewdriver

G019310

Figure51

G01931 1

MeasuringBeltT ension

AdjustingtheDriveBeltTension

1.Removethebeltguard;referto RemovingtheBeltGuard(page33).

2.Loosentheenginemountinghardwareasfollows:

•Model68045

A.Elevatethebladetoitshighestposition.

B.Loosenthebolts,washers,andnutsthat

securetheenginetothebaseofthemachine

Figure52).

(

1.Straightedge2.Deect5mmat2kg(.19 inchat4.2lb)

B.Withyournger,pushdownonthedrivebelt,

midwaybetweenthepulleys(Figure51).

Note:Checkthetensionofall3drivebelts.

C.Eachbeltshoulddeectapproximately5mm

at2kg(0.19inchat4.2lb)fromthestraight edge(Figure51).Ifthebelttensionistoolow ortoohigh,adjustthebelttension;referto AdjustingtheDriveBeltTension(page35).

6.Installthebeltguard;referto InstallingtheBeltGuard(page35).

7.Installthesparkplugwirepushingthewireontothe terminaloftheplug.

InstallingtheBeltGuard

1.Alignthebeltguardoverthedrivebeltsandpulleys andlowerittothebaseofthemachine.

2.Slidetheguardbacksothattherearangeoftheguard isunderneaththeboltheadsattherearmounting pointsoftheguard.

Figure52

BeltT ensioning(Model68045)

1.Tensionbolt3.Boltandnut

2.Jamnut

Note:Thenutsandwashersthatsecurethe motorarelocatedatthebottomsideofthe baseofthemachine.

•Model68046—Loosentheboltsandwashersthat

securetheengine-deckplatetothebaseofthe machine(Figure53).

3.Securetheguardatthefrontmountingpoints withtheboltsremovedduringstep

5in

RemovingtheBeltGuard(page33)

4.Tightentheboltsthatsecurethebeltguardtothebase ofthemachineattherearmountingpoints.

G019312

Figure53

G019313

BeltT ensioning(Model68046)

1.Bolt3.Jamnut

2.Tensionbolt4.Engine-deckplate

AligningthePulleys

1.Removethebeltguard;referto RemovingtheBeltGuard(page33).

2.Reducethebelttension;refertoadjustthebelttension instep4inAdjustingtheDriveBeltTension(page35).

3.Ifthearborpulleyismisalignedintheopeningofthe baseofthemachineorlooseonthearbor(Figure49), dothefollowing:

A.Pulltherecoilstarthandleoftheengineuntilthe

setscrewholeinthecenterV -beltgrooveofthe pulleyisaccessible(Figure54).

3.Loosenthejamnutsthatsecurethetensionbolts (Figure52andFigure53).

4.Adjustthebelttensionasfollows:

•Toincreasethebelttension,rotatethetension

Figure54

PulleySetScrew

boltclockwise.

•Toreducethebelttension,rotatethetensionbolt

counterclockwiseandslidetheengineforward.

1.Setscrewandcenter V-beltgroove

2.Arborpulley

3.Belt

5.Checkthebelttension;refertostep5in CheckingthePulleysandDriveBelts(page34).

Note:Ensurethatthepulleysarealignedandthe engineisparallelwiththeframe(notangledtoward theside).

6.Tightenthejamnutsforthetensionbolts.

7.Tightentheenginemountingboltsasfollows:

A.Model68045—Tightentheboltsandnutsthat

securetheenginetothebaseofthemachineto48 N-m(35ft-lb)(Figure52).

B.Loosenthesetscrew(Figure54).

C.Centerthealignmentofarborpulleyinthe

openingofthebaseofthemachinebyprying betweentheopeninginthebaseandendsof pulleywithascrewdriver.

D.Tightenthesetscrew(

Figure54).

4.Placeastraightedgeacrossthefaceofthedrive-shaft pulleyandthearborpulley.Bothpulleysmustbe alignedushwiththestraightedge(Figure55).

B.Model68046—Tightentheboltsthatsecurethe

enginedeckplatetothebaseofthemachineto48 N-m(35ft-lb)(

8.Installthebeltguard;referto

Figure53).

InstallingtheBeltGuard(page35).

9.Installthesparkplugwirepushingthewireontothe terminaloftheplug.

G019314

Drive-shaftPulleyAlignment

G019317

A.Whilesupportingthearborshaft,removethe

bolts,washers,andnutsthatsecurethearbor bearingblockstothebottomsideofthebaseof themachine(Figure56).

Figure55

1.Alignmentpoints

2.Straightedge

3.Drive-shaftpulley

4.Arborpulley

5.Ifthedrive-shaftpulleyisnotaligneddothefollowing:

A.Pulltherecoilstarthandleoftheengineuntilthe

setscrewholeinthecenterV -beltgrooveofthe drive-shaftpulleyisaccessible.

B.Loosenthesetscrew .

C.Usingasoft-facemallet,tapthepulleyleftorright

alongthedriveshaftuntilthedrive-shaftpulley andthearborpulleyarealignedtothestraight

Figure55).

edge(

D.Tightenthesetscrew.

E.Increasethebelttension;refertostep4in

AdjustingtheDriveBeltTension(page35)and step5in CheckingthePulleysandDriveBelts(page34)

6.Installthebeltguard;referto InstallingtheBeltGuard(page35).

7.Installthesparkplugwirepushingthewireontothe terminaloftheplug.

Figure56

B.Slipthebeltsoverthedriveshaftpulley

(Figure56).

C.Removethearborandbeltsfromthebaseofthe

machine(Figure56).

D.Removeanddiscardthedamagedorunserviceable

beltsfromthearborpulley.

7.Installthearborandbeltsasfollows:

A.Alignthenewbelts(orcombinationofnewand

serviceablebelts)overthearborpulley(

Figure56).

ReplacingtheDriveBelts

1.Elevatethebladetoitshighestposition;referto AdjustingtheCuttingDepth(page14).

2.Ifinstalled,removethesawblade;referto RemovingtheBlade(page12).

3.Removethebeltguard;referto RemovingtheBeltGuard(page33).

4.Loosentheenginemountinghardwareasdescribedin step2ofAdjustingtheDriveBeltTension(page35).

5.Loosenthebelttensionboltandjamnut,slidethe engineforwardtoloosenbelts;refertoFigure52and Figure53.

6.Removethebeltsasfollows:

beltsthroughthearborpulleyopeningandalign thearborbearingblockstothemountingholes inthebase(Figure56).

C.Securethearborbearingblockstothebasewith

thebolts,washersandnutsremovedinstep6-A.

D.Slipthebeltsoverthedrive-shaftpulley

(Figure56).

8.Checkthealignmentofthepulleys;referto AligningthePulleys(page36).

9.Tensionthebelts;referto AdjustingtheDriveBeltTension(page35).

10.Installthebeltguard;referto InstallingtheBeltGuard(page35).

B.Frombeneaththebaseofthemachine,routethe

SawBladeMaintenance

G019320

G019321

G019329

G019322

CheckingtheConditionandFunction

ServiceInterval:Beforeeachuseordaily—Checktheconditionofthesawbladeconditionforwearanddamage.

Important:Thewearandlossofthesaw-bladesegmentscansignicantlyimpairtheefciencyandperformanceof themachine.Therefore,itisimportanttomakefrequentchecksoftheconditionofallofsegmentsandreplacethe bladeifthesegmentsarewornexcessivelyordamaged.

Note:Amongthemostcriticalelementsofthemachineisthesawblade.Theyarealsothemostsubjecttowearanddamage. Inthecourseofatsawingaproject-sitesurface,theynotonlymakecontactwiththeconcrete,asphalt,orboth,theyalso encounterembeddedmetalobjects,suchasconcretewiremesh,rebar,andanchorbolts.

BladeTroubleshootingT able

SymptomPossibleCauseSolution

UnevenSegmentWear

CrackedSegments

WetCutting:insufcientwater(usuallyon

onesideoftheblade).

Equipmentdefects.Replacebadbearingsand/orwornarbor.

Cuttingheadmisaligned.Checkthatthesawbladealignmentis

Bond/matrixistoohardformaterialbeing cut.

•Flushthewatersystem.

•Checkthewaterowtobothsidesofthe blade.

Alignarbortothebaseofthemachine.

squareverticallyandhorizontally.

Installtheproperbladepertheblade manufacturerrecommendation.

SegmentLoss

BladeWobbles

Bladeoverheatingduetoinadequate coolant(waterorair).

Coreiswornfromundercutting.Seethetroubleshootingsymptomforblade

Bond/matrixistoohardformaterialbeing cut.

Bladeiscuttingout-of-round,causinga poundingmotion.

Bladeangesarenotthesamediameter and/ortheangesaredamagedcausing blademisalignment.

Blademountedonadamagedorworn machine.

BladeoperatingimproperRPM.UseatachometertosetthebladeRPMto

Bladecollarsarenotthesamediameter.Replacethecollarsthatarenotidenticalin

Bladeisbentasaresultofdropping twisting.

•WetCutting:Checkthewaterlines tomakesureowis7.5–19liter/minute (2–5gallon/minute)onbothsidesofthe blade,andthattherearenoblockages.

•DryCutting:Runthebladefreeofthe cutperiodicallytoaircool.

coreundercutting.

Installtheproperbladepertheblade manufacturerrecommendation.

Replacebadbearings;alignthearbor; replacewornbladecollars.

Replacethebladecollarthatarenot identicalindiameterofthataredamaged.

Checkforbadarborbearings,loose bearingblock,orbentarbor .

matchthespeciedRPMoftheblade.

diameterorthataredamaged.

Donotusethebentblade.Contactthe blademanufacturer.

BladeTroubleshootingTable(cont'd.)

G019323

G019328

G019324

G019325

G019326

G019327

BladeWillNotCut

CrackedCore

UndercuttingtheCore

Bond/matrixistoohardformaterialbeing cut.

Bladehasbecomedull.

Failuretoinitiallybreak-inanewbladeon thespecicmaterialbeingcut.

Bond/matrixistoohardformaterialbeing cut.

Excessivecuttingpressure;jammingor twistingthebladeinthecut.

Bladeoverheatingduetoinadequate coolant(waterorair).

Abrasivewearingoffthecorefasterthan thesegments.

Installtheproperbladepertheblade manufacturerrecommendation.

Dressorsharpenbycuttingsofterabrasive materialtoexposethediamonds.

Beak-inthebladeonthematerialtobecut.

Installtheproperbladepertheblade manufacturerrecommendation.

Machineoperatorshouldusesteadyeven feedpressureandbecarefultocutina straightline.

•WetCutting:Checkthewaterlines tomakesureowis7.5–19liter/minute (2–5gallon/minute)onbothsidesofthe blade,andthattherearenoblockages.

•DryCutting:Runthebladefreeofthe cutperiodicallytoaircool.

•Usewatertoushthenes thataregeneratedduringcutting.

•Useabladewithawear-retardantcore.

ArborHoleOut-of-round

BladeWornOut-of-round

LossofBladeTension

Bladecollarisnotproperlytightened.Wrenchtightenthearbornutandmake

certainthebladeisadequatelysecureto preventrotation

Collarsaredirty.Cleantheinnerandoutercollars.Replace

ifwornordamaged.

Bladeisnotproperlyinstalled.Tightenthearbornutandcheckthatthe

drivepinisfunctioningproperly.

Arborbearingsworn.

Replacethearborbearingsand/orarboras required.

Surgesoccurbecauseengineisnot properlyadjusted.

Bladearborholeisdamagedfromblade beingincorrectlyinstalled.

Bladeisslippingontheshaft.

Adjusttheengineaccordingtotheengine Owner’sManual.

Replacethewornarborand/orcollars. Replacethewornblade.

Tightenthearbornutandcollars,andcheck thatthedrivepinisfunctioningproperly.

Bond/matrixistoohardformaterialbeing cut.

Bladeusedismisalignedonthemachine.

Installtheproperbladepertheblade manufacturerrecommendation.

Checkthatthesawbladealignmentis squareverticallyandhorizontally.

Bond/matrixistoohardformaterialbeing

Useabladewithasofterbond/matrix.

cut.

Thecoreofthebladeisoverheating.Checkthewaterlinesandthewaterow

anddistribution.

ThebladeisrunningattheincorrectRPM.UseatachometertosetthebladeRPMto

matchthespeciedRPMoftheblade.

Thebladeisincorrectlymountedbetween thecollars.

•Checkthatthedrivepinis functioningproperly .

•Tightenthearbornut.

Thebladecollarsareundersizedornotthe samediameter.

Replacethecollarsthatarenotthe recommendedsizeorarenotidenticalin diameter.

Cleaning

Storage

CleaningtheMachine

Regularcleaningandwashingwillincreasethelifespanof themachine.Cleanthemachineaftereachuse,beforethe dirthardens.

Ensurethatthefueltankcapandoilcap/dipstickaresecure toavoidgettingwaterinthetank.

Usecarewhenusingahigh-pressuresprayerbecauseitcan damagewarningdecals,instructionsigns,andtheengine

Important:Lubricatethearborbearingsaftercleaning; refertoGreasingtheMachine(page27).

StoringtheMachine

Forstorageover30days,preparetheunitasfollows:

1.Removedirtandgrimefromtheexternalpartsof theentireunit,especiallytheengine.Cleandirtand sawdustchipsfromtheoutsideoftheenginecylinder headnsandblowerhousing.

Important:Y oucanwashtheunitwithmild detergentandwater.

2.Conditionthefuelsystemasfollows:

A.Addapetroleumbasedstabilizer/conditionerto

fuelinthetank.Followmixinginstructionsfrom stabilizermanufacturer.(1oz.perUSgallon). Donotuseanalcoholbasedstabilizer(ethanol ormethanol).

Important:Donotstore stabilizer/conditionedgasolineover90 days.

Note:Fuelstabilizer/conditionerismost effectivewhenmixedwithfreshgasolineandused atalltimes.

B.Runtheenginetodistributeconditionedfuel

throughthefuelsystem(5minutes).

C.Stoptheengine,allowittocool,anddrainthe

fueltankusingapumptypesiphon.Disposeof fuelproperly;recycleasperlocalcodes.

D.Starttheengineandrunituntilitstops.

E.Choketheengine.

F.Startandruntheengineuntilitwillnotstartagain.

3.Cleanthesedimentcup;referto CleaningtheSedimentCup(page30).

4.Servicetheaircleaner;referto ServicingtheAirFilter(page28).

5.Changetheenginecrankcaseoil;referto ChangingtheEngineOil(page29).

6.Removethesparkplugandcheckthecondition;refer toServicingtheSparkPlug(page31).

7.Conditiontheengineasfollows:

A.Removethesparkplugandpourtwotablespoons

ofengineoilintothesparkplughole;referto RemovingtheSparkPlug(page31).

B.Pulltherecoilstarthandleslowlytocrankthe

engineanddistributetheoilinsidethecylinder.

C.Installthesparkplug;referto

InstallingtheSparkPlug(page32).

Note:Donotinstallthewireonthesparkplug.

8.Greasethebearingsforthearborandrearwheel andlubricatethethreadsofthebladeelevation

screw;refertoGreasingtheMachine(page27)and LubricatetheElevationScrew(page27).

9.Checkandtightenallbolts,nuts,andscrews.Repairor replaceanypartthatisdamaged.

10.Paintallscratchedorbaremetalsurfaces.Paintis availablefromyourAuthorizedServiceDealer.

11.Storetheunitinaclean,drygarageorstoragearea.

12.Covertheunittoprotectitandkeepitclean.

Troubleshooting

Note:SawswiththeHondaGXseriesenginesareequippedwiththeOilAlert®System.

OilAlert®isaregisteredtrademarkofHONDAGIKENKOGYOKABUSHIKIKAISHACORPORATION.

Theenginewillnotstart.

Problem

1.Ontheoperatorpanel,theengine switchisintheStopposition

2.ThefuelvalveisOff.2.Movethefuel-valvelevertotheOn

3.Thechokeisclosed

4.Thechokeisopen.

5.Ontheengine,On/Offswitchisinthe Offposition.

6.Theengineoillevelislow(OilAlert modelengines)

7.Thefueltankisempty.7.Filltankwithfreshfuel.

8.Badfuel:enginestoredwithouttreating ordrainingthegasoline,orrefueled withbadgasoline.

9.Thesparkplugisfouledorimproperly gapped.

10.Thesparkplugiswetwithfuel(ooded engine).

11.Thesparkplugwireislooseor disconnected.

PossibleCauseCorrectiveAction

1.PresstheengineswitchtotheRun position.

position.

3.Openthechokewhenstartingahot engine.

4.Closethechokewhenstartingacold engine.

5.RotatetheswitchtotheOnposition.

6.Fillwiththerecommendedoiltothe properlevel.

8.Drainthefueltankandcarburetor. Refuelwithfreshgasoline.

9.Gaporreplacethesparkplug.

10.Removethesparkplug,dryit,and installtheplug.Starttheenginewith thethrottleintheMAXposition.

11.Removethesparkplugwire,cleanthe sparkplugterminalandtheterminal socketinbootofthesparkplugwire, andreinstallthesparkplugwire.

Theenginelackspowerorrunsrough.

Thebeltslipsorcomesoffthepulleys.

1.Theairlterisrestricted.1.Cleanorreplacetheairlterelement(s).

2.Badfuel:enginestoredwithouttreating ordrainingthegasoline,orrefueled withbadgasoline.

3.Thereiswaterorcontaminantsinthe fuel.

4.Thefuellineisrestricted.4.Cleanthefuellterandsedimentcup.

5.Thechokeislefton.5.Openthechoke.

6.Thesparkplugsarewornorhave buildupontheelectrodes.

7.Toomuchoilintheenginecrankcase.7.Draintheoiltotheproperlevel.

1.Thebelttensionisinsufcient.

2.Thebeltisworn.2.Replacethebelt.

3.Thepulley(s)areworn.3.ContactyourAuthorizedService

4.Thepulley(s)aremisaligned.4.Alignthepulley(s).

2.Drainthefueltankandcarburetor. Refuelwithfreshgasoline.

3.Drainthefueltankandcarburetor. Refuelwithfreshgasoline.

6.Checktheelectrodegapandcleanor replacethesparkplug.

1.Adjustthebelttension.

Dealer.

Notes:

Alimitedwarranty(seewarrantyperiodsbelow)

TheToroWarranty

Concrete,Masonry, andCompaction Equipment

ConditionsandProductsCovered

TheT oroCompanyanditsafliate,T oroWarrantyCompany,pursuantto anagreementbetweenthem,jointlywarrantyourT oroConcrete,Masonry , andCompactionEquipmentProductslistedbelowtobefreefromdefects inmaterialsorworkmanship.

Thiswarrantycoversthecostofpartsandlabor,butyoumustpay transportationcosts.

Thefollowingtimeperiodsapplyfromthedateofpurchase:

ProductsWarrantyPeriod

ConcreteMixers

•SpindleBearingsLifetime*(originalowneronly) MortarMixers1year

•DrumBearingsandSealsLifetime*(originalowneronly) ForwardPlateCompactors ReversiblePlates1year RammerCompactors MudBuggy1year VibratingTrenchRoller2years ConcreteSaws MasonrySaws PowerTrowels1year Screeds ConcreteVibrators

Whereawarrantableconditionexists,wewillrepairtheProductatnocost toyouincludingdiagnosis,labor,andparts.

LifetimeWarranty-Ifthebearing(s)orseal(s)onyourmixerfail,itwillbereplacedunderwarranty,

atnocostforpartsorlabor.

1year

2years

1year 1year

InstructionsforObtainingWarrantyService

IfyouthinkthatyourT oroProductcontainsadefectinmaterialsor workmanship,followthisprocedure

1.ContactanyAuthorizedServicingOutlettoarrangeserviceattheir dealership.Tolocateoneconvenienttoyou,accessourwebsiteat www.T oro.com.Select“WheretoBuy”andselect“Contractor”under producttype.Y oumayalsocallourtollfreenumberbelow.

2.Bringtheproductandyourproofofpurchase(salesreceipt)tothem.

3.IfforanyreasonyouaredissatisedwiththeServiceOutlet’s analysisorwiththeassistanceprovided,contactusat:

SWSCustomerCareDepartment ToroWarrantyCompany 811 1LyndaleAvenueSouth Bloomington,MN55420-1 196 TollFree:800-888-9926

ToroAuthorizedRentalCustomerswhohavepurchasedproductsdirectlyfromToroandhave

signedtheToroRentalCustomerAgreementhavetheabilitytoperformtheirownwarrantywork.

PleasevisitToro’ sRentalPortalforelectronicwarrantyclamlingproceduresorcallthetollfree

numberabove.

OwnerResponsibilities

YoumustmaintainyourT oroProductbyfollowingthemaintenance proceduresdescribedintheOperator’sManual.Suchroutine

maintenance,whetherperformedbyadealerorbyyou,isatyourexpense. Partsscheduledforreplacementasrequiredmaintenance(“Maintenance Parts”),arewarrantedfortheperiodoftimeuptothescheduled replacementtimeforthatpart.Failuretoperformrequiredmaintenance andadjustmentscanbegroundsfordisallowingawarrantyclaim.

ItemsandConditionsNotCovered

Notallproductfailuresormalfunctionsthatoccurduringthewarranty periodaredefectsinmaterialsorworkmanship.Thisexpresswarranty doesnotcoverthefollowing:

•Productfailureswhichresultfromtheuseofnon-Tororeplacement

parts,orfrominstallationanduseofadd-on,modied,orunapproved accessories

•Productfailureswhichresultfromfailuretoperformrequired

maintenanceand/oradjustments

•ProductfailureswhichresultfromoperatingtheProductinan

abusive,negligentorrecklessmanner

•Partssubjecttoconsumptionthroughuseunlessfoundtobe

defective.Examplesofpartswhichareconsumed,orusedup,during normalproductoperationinclude,butarenotlimitedto,belts,wipers, sparkplugs,tires,lters,gaskets,wearplates,seals,O-rings,drive chains,clutches.

•Failurescausedbyoutsideinuence.Itemsconsideredtobeoutside

inuenceinclude,butarenotlimitedto,weather,storagepractices, contamination,useofunapprovedcoolants,lubricants,additives,or chemicals,etc.

•Normal“wearandtear”items.Normal“wearandtear”includes,butis

notlimitedto,wornpaintedsurfaces,scratcheddecals,etc.

•Anycomponentcoveredbyaseparatemanufacturer’swarranty

•Pickupanddeliverycharges

GeneralConditions

RepairbyanAuthorizedServicingOutletorSelf-ServiceasanAuthorized RentalCustomerisyoursoleremedyunderthewarranty.

NeitherTheToroCompanynorToroWarrantyCompanyisliablefor indirect,incidentalorconsequentialdamagesinconnectionwith theuseoftheToroProductscoveredbythiswarranty ,including anycostorexpenseofprovidingsubstituteequipmentorservice duringreasonableperiodsofmalfunctionornon-usepending completionofrepairsunderthiswarranty.Allimpliedwarranties ofmerchantabilityandtnessforusearelimitedtotheduration ofthisexpresswarranty.Somestatesdonotallowexclusionsof incidentalorconsequentialdamages,orlimitationsonhowlong animpliedwarrantylasts,sotheaboveexclusionsandlimitations maynotapplytoyou.

Thiswarrantygivesyouspeciclegalrights,andyoumayalsohaveother rightswhichvaryfromstatetostate.

ExceptfortheenginewarrantycoverageandtheEmissionswarranty referencedbelow,ifapplicable,thereisnootherexpresswarranty .The EmissionsControlSystemonyourProductmaybecoveredbyaseparate warrantymeetingrequirementsestablishedbytheU.S.Environmental ProtectionAgency(EPA)ortheCaliforniaAirResourcesBoard(CARB). RefertotheCaliforniaEmissionControlWarrantyStatementsuppliedwith yourProductorcontainedintheenginemanufacturer’sdocumentationfor details.

CountriesOtherthantheUnitedStatesorCanada

CustomerswhohavepurchasedT oroproductsoutsidetheUnitedStatesorCanadashouldcontacttheirT oroDistributor(Dealer)toobtainguarantee policiesforyourcountry,province,orstate.IfforanyreasonyouaredissatisedwithyourDistributor'sserviceorhavedifcultyobtainingguarantee information,contacttheT oroimporter.Ifallotherremediesfail,youmaycontactusatT oroWarrantyCompany.

AustralianConsumerLaw:AustraliancustomerswillnddetailsrelatingtotheAustralianConsumerLaweitherinsidetheboxoratyourlocalT oro Dealer.

374-0288RevB

Toro 68046, 68045 Operator's Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

SafeOperatingPractices

Attachments/Accessories

BeforeyouStart

AdjustingtheHandleBar (Model68046)

RemovingandInstallingthe SawBlade

AdjustingtheCuttingDepth

AligningthePointer

AddingFuel

ServicingtheEngineOil

StartingandStoppingthe Engine

CuttingtheJob-SiteSurface

ChangingtheCuttingPosition

TransportingtheMachine

GreasingtheMachine

LubricatetheElevationScrew

ServicingtheAirFilter

ChangingtheEngineOil

ServicingtheFuelSystem

ServicingtheSparkPlug

ServicingtheSparkArrester

ServicingtheDriveBelts

SawBladeMaintenance

CheckingtheConditionandFunction

CleaningtheMachine

StoringtheMachine