2. Toro
  3. CS-1 Concrete Saw

Toro CS-1 Concrete Saw, CS-2 Concrete Saw User manual

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FormNo.3374-363RevA
CS-1andCS-2ConcreteSaw
ModelNo.68045—SerialNo.313000001andUp
ModelNo.68046—SerialNo.313000001andUp
G019180
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3374-363*A
WARNING
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.
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.
Introduction
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.
1
G019181
Figure1
1.Modelandserialnumberplate
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
©2012—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedintheUSA.
AllRightsReserved
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
Safety
Improperuseormaintenancebytheoperatororowner
canresultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructionsandalways
payattentiontothesafetyalertsymbol,which
means:
Caution
,
W ar ning
,or
Danger
—personalsafety
instruction.Failuretocomplywiththeinstructionmay
resultinpersonalinjuryordeath.
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.
3
•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.
4
•Keephandsandfeetawayfrommovingparts.Ifpossible,
donotmakeadjustmentswiththeenginerunning.
•Keepallpartsingoodworkingconditionandallhardware
tightened.Replaceallwornordamageddecals.
•Keepnutsandboltstight.Keepequipmentingood
condition.
•Nevertamperwithsafetydevices.
•Keepthemachinefreeofgrass,leaves,orotherdebris
buildup.Cleanupoilorfuelspillage.Allowthemachine
tocoolbeforestoring.
•Useextracarewhenhandlinggasolineandotherfuels.
Theyareammableandvaporsareexplosive.
–Useonlyanapprovedcontainertostorefuel.
–Neverremovethegascaporaddfuelwhenthe
engineisrunning.Allowtheenginetocoolbefore
refueling.Donotsmoke.
–Neverrefuelthemachineindoors.
–Neverstorethemachineorfuelcontainerinside
wherethereisanopename,suchasnearawater
heaterorfurnace.
–Neverllacontainerwhileitisinsideavehicle,the
cargoboxofatruck,oranysurfaceotherthanthe
ground.
–Keepcontainernozzleincontactwiththetankduring
lling.
•Stopandinspecttheequipmentifyoustrikeanobject.
Makeanynecessaryrepairsbeforerestarting.
•UseonlygenuineTororeplacementpartstoensurethat
originalstandardsaremaintained.
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.
117–4979
1.Rotatingbelt—Keepguardinplace
125–4921
1.Warning—readthe
Operator’sManual.
3.Entanglementhazard,
belt—keephandsaway
frommovingparts;keep
allguardsinplace.
2.Warning—keephands
awayfromhotsurfaces.
5
125–4922
1.Cutting/dismembermenthazardofhand,circular
blade—stoptheblade;keephandsawayfrommoving
parts;keepallguardsinplace.
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
125–4925
1.Warning—readthe
Operator’sManual.
4.Raiseblade
2.Warning—keephands
awayfrommovingparts;
keepallguardsinplace.
5.Lowerblade
3.Warning—weareye,head,
hearing,andrespiratory
protection.
125–4920
1.Engine—run
8.Explosionhazard,fueling—stoptheengineandkeepames
awaywhenfueling.
2.Engine—stop9.Warning—weareye,head,hearing,andrespiratoryprotection.
3.Adjustcuttingheight
10.Warning—keepawayfrommovingparts;keepallguardsin
place;waitformovingpartstostop.
4.ReadtheOperator’sManual—1)Starttheengine;2)Setthe
bladeheightto0inches;3)Setthebladespeedtofast;
4)Whenloweringthebladeforcutting,setthespeedtoslow.
11.Warning—keepbystandersawayfromthemachine.
5.Lowertheblade12.Fast
6.Raisetheblade13.Variablespeed
7.Warning—readtheOperator’sManual.14.Slow
6
ProductOverview
G019190
2
3
4
5
6
7
8
9
10
11
12
13
1
Figure3
Overview(Model68045)
1.Airltercover
8.Bladeguard
2.Fueltankcap
9.Sawblade
3.Engineswitch10.Beltguard
4.Oilllercap/dipstick
11.Handlebar
5.Oildrainbolt
12.Elevationcrank
6.Belttensionbolt
13.Operatorpanel
7.Forwardpointer
G019187
1
2
3
4
5
6
8
9
11
12
13
14
15
16
17
18
19
20
10
7
Figure4
Overview(Model68046)
1.Operatorpanel
11.Forwardpointer
2.Throttlelever12.Pointerwheel
3.Airltercover13.Oildrainbolt
4.Chokelever14.Oilllercap/dipstick
5.Fuelvalvelever
15.Engineswitch(engine
location)
6.Sedimentcup
16.Beltguard
7.Recoilstarthandle17.Fueltankcap
8.Sawblade18.Liftingbale
9.Bladeguard
19.Engineswitch(operator
panellocation)
10.Pointerfork
20.Handlebar
7
Controls
Becomefamiliarwithallthecontrols(Figure5,Figure6,and
Figure7)beforeyoustarttheengineandoperatethemachine.
OperatorPanel(Model68045)
1
2
3
4
G019199
Figure5
OperatorPanel(Model68045)
1.Indexhole3.Waterconnector
2.Watervalvehandle4.Elevationcrank
OperatorPanel(Model68046)
STOP
G019198
12
3 4
5
6
7
Figure6
OperatorPanel(Model68046)
1.Bladedepthgauge5.Watervalvehandle
2.Engineswitch6.Waterconnector
3.Bladeelevationcrank7.Throttle
4.Indexhole
EngineControls
G019202
1
2
3
4
5
6
Figure7
EngineControls(Models68045and68046)
1.Chokelever
4.Throttlelever
2.Fuelvalvelever5.Recoilstarthandle
3.Sedimentcup
6.Engineswitch
FuelValve
Thefuelvalve(Figure8)islocatedunderneaththechoke
lever.TheleverforthefuelvalvemustbemovedtotheOn
positionbeforeattemptingtostarttheengine.Onceyouhave
nishedusingthemachineandyouhaveturnedtheengine
off,movetheleverforthefuelvalvetotheOffposition.
G020236
1 2
3
Figure8
EngineControls
1.Fuelvalve3.Throttlelever
2.Chokelever
8
ChokeLever
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.
G019203
1
Figure9
EngineOn/OffSwitch
TheOn/Offswitch(Figure10)allowstheoperatorofthe
machinetostartandstoptheengine.Thisswitchislocated
onthefrontoftheengine.Itismarkedl(ON)andO(OFF).
Tostartthemachine,youmustrstmovethiscontroltothe
Onposition.Whenyouwanttostoptheengine,movethis
switchtotheOffposition.
OFF
ON
g018808
1
Figure10
1.EngineOn/Offswitch
EngineSwitch(Model68046)
Theengineswitchislocatedontheoperatorpanel(Figure11).
Usetheengineswitchtostoptheengineduringroutine
machineoperationandwhenshuttingthemachineOffin
anemergencysituation.
STOP
G019204
1 2
3
Figure11
EngineSwitchandBladeDepthGauge(Model68046)
1.Runengine3.Bladedepthgauge
2.Stopengine
RecoilStarter
Tostarttheengine,pullontherecoilstarthandle(Figure7)
quicklytoturntheengineover.Thecontrolsontheengine
9
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
92.7cm(36.5inch)†120.1cm(47.3inch)
†
Width
67.5cm(26.6inch)67.6cm(26.6inch)
Height
87.4cm(34.4inch)93.3cm(36.75inch)
‡
Weight
80Kg(175lb)141Kg(310lb)
ArborSpeed
(Max.)
55.3Hz(3200RPM)55.3Hz(3200RPM)
ArborDiameter
25.4mm(1inch)25.4mm(1inch)
BladeDiameter
/CuttingDepth
(Max)
356mm(14inch)
blade/117mm(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.Toro.comforalistofallapproved
attachmentsandaccessories.
10
Operation
Important:Beforeoperating,checkthefuelandoil
level,andremovedebrisfromthemachine.Also,ensure
thattheareaisclearofpeopleanddebris.Youshould
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.
•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.
AdjustingtheHandleBar
(Model68046)
RaisingandLoweringtheHandleBar
1.Locatetheboltsthatsecurethehandlebarstotheback
oftheconsole(Figure12).
G019225
1
2
3
4
5
6
7
8
Figure12
HandleBarAdjustment(Model68046)
1.Highposition5.Lockwasher
2.Middleposition6.Flatwasher
3.Lowposition7.Bolt
4.Nut
8.Console
2.Removethebolts,nuts,andwashersthatsecurethe
handlebartotheconsole(Figure12).
3.Raiseorlowerthehandlebar(Figure12).
4.Aligntheholesinthehandlebarwiththemounting
holesintheconsole.
5.Securethehandlebartotheconsolewiththebolts,
nuts,andwashersremovedinstep2(Figure12).
RemovingandInstallingthe
SawBlade
Important:Beforeremovingorinstallingthesawblade,
removethesparkplugwirefromthesparkplug.
Note:Ensurethatthefollowingconditionsaremetwhen
installingthesawblade:
•Ensurethatthebladeisratedfor3200RPMorgreater
beforeinstallingitonthemachine.
•Checkthecoolingrequirementsforthebladeandcutting
operation.
Alwaysusewaterwithawet-cuttingdiamondblade.A
dry-cuttingbladecanbeusedwithorwithoutwater.
11
•Ensurethatthebladespecicationandsizematchesthe
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).
G019281
1
Figure13
DisablingtheEngine
1.Sparkplugwire
5.Removethe2wrenchesfromthestoragebracketatthe
back-leftsideoftheoperatorpanel(Figure14).
G019213
1
2
Figure14
ArborWrenchStorage
1.Wrenches
2.Storagebracket
6.Rotatetheforwardsectionofthebladeguardopen
(Figure15).
1
G019214
Figure15
BladeGuard
1.Forwardbladeguardsection
7.Placeonewrenchontheatsoftheinnercollarand
placetheotherwrenchonthearbornut.Removethe
arbornutbyrotatingitcounterclockwise(Figure16).
12
G019215
1
2
3
4
5
5
6
7
Figure16
BladeandArbor
1.Sawblade
5.Wrench
2.Outercollar
6.Innercollar
3.Arbornut7.Arborrotationarrow
4.Arbor
8.Removethelockwasher,outercollar,andsawblade.
RefertoInstallingtheBlade(page13)
InstallingtheBlade
DANGER
Donotrunthemachinewithlooseormissingarbor
parts.
Important:Alwaysusethepropersizebladeguardand
splashguard.
BladeGuardSize
Model68045Model68046
35.56cm(14in)StandardOptional
40.64cm(16in)Optional
45.72cm(18in)Standard
1.Dothefollowingbeforeinstallingthesawblade:
A.Parkthemachineonalevelsurfaceandturnoff
theengine;refertoStoppingtheEngine(page19).
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.
B.Alignthearborholeinthesawbladetothe
arborandmovethebladetowardtheinnercollar
(
Figure17).
13
G019217
1
2
3
4
5
6
4
8
9
10
11
7
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.
D.Aligntheoutercollartothearborandmoveit
towardtheblade(
Figure17).
E.Alignthedrive-pinholeintheoutercollarwiththe
drivepinprotrudingthroughthesawblade,and
thenseatthecollaragainsttheblade(Figure17).
F.Rotatetheoutercollarandsawbladeinthe
oppositedirectionoftherotationarrowonthe
bladeguardtoremoveanyresidualdrivepin
backlash
G.Installthelockwasherandarbornut(
Figure17).
H.Placeonearborwrenchontheatsoftheinner
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
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.
G019221
1
2
3
Figure18
Elevationcrank
1.Indexpin3.Elevationcrank
2.Index-pinhole
C.Rotatetheelevationcrank1revolutionclockwise
toraisethebladeelevation(Figure18).The
machineisattheStartElevation.
14
Note:TheStartElevationiswhenthesaw
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).
STOP
G019222
21
3
4
Figure19
BladeDepthGauge
1.Dialandpointer3.Elevationcrank
2.Blade-depthgauge4.Index-pinhole
3.RaisethesawbladetotheStartElevation;referstep
CinChangingCutDepth(page14).
Note:Refertothebladedepthgaugewhenraising
andloweringthesawblade(Figure19).
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).
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).
15
G019226
1
2
3
Figure20
PointerAlignment(Model68045)
1.Pointer
3.Saw-bladecore
2.Mason’sline
•Model68046—Alignthefrontpointerbydoing
thefollowing:
A.Loosenthumbscrewthatsecurestheforward
pointertothepointerfork(
Figure21).
G019228
1
2
3
4
5
6
Figure21
ForwardPointerAlignment(Model68046)
1.Pointerfork4.3–6mm(1/8–1/4inch)
2.Thumbscrew5.Masonline
3.Forwardpointer
6.Saw-bladecore
B.Slidethepointerleftorrighttoalignit
withthemasonline,andelevated3–6mm
(1/8–1/4inch)abovethejobsitesurface
(Figure21).
C.Tightenthethumbscrewthatsecures
theforwardpointertothepointerfork
(Figure21).
AligningtheRearPointer(Model68046)
Note:Therearpointeralignmentprocedurerequiresa3m
(10ft)minimumlengthofchalkline.
Note:Alignthefrontpointerbeforealigningtherear
pointer;refertoAligningtheFrontPointer(page15).
1.Marka3m(10ft)orlongerlineonthejobsitesurface
bysnappingachalklineonthesurface(
Figure22).
G019231
1
2
3
4
6
7
5
Figure22
RearPointerAlignment(Model68046)
1.Forwardpointer
5.3–6mm(1/8–1/4inch)
2.Sawblade
6.Thumbscrew
3.Rearpointer
7.Console
4.Chalkline
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).
AddingFuel
•Forbestresults,useonlyclean,fresh,unleadedgasoline
withanoctaneratingof87orhigher((R+M)/2rating
method).
•Oxygenatedfuelwithupto10%ethanolor15%MTBE
byvolumeisacceptable.
•DoNotuseethanolblendsofgasoline(suchasE15
orE85)withmorethan10%ethanolbyvolume.
Performanceproblemsand/orenginedamagemayresult
whichmaynotbecoveredunderwarranty.
•DoNotusegasolinecontainingmethanol.
•DoNotstorefueleitherinthefueltankorfuelcontainers
overthewinterunlessafuelstabilizerisused.
•DoNotaddoiltogasoline.
16
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.
•Ifagasolinedispensernozzlemustbeused,
keepthenozzleincontactwiththerimofthe
fueltankorcontaineropeningatalltimesuntil
fuelingiscomplete.
WARNING
Gasolineisharmfulorfatalifswallowed.Long-term
exposuretovaporscancauseseriousinjuryand
illness.
•Avoidprolongedbreathingofvapors.
•Keepfaceawayfromnozzleandgastankor
conditioneropening.
•Keepgasawayfromeyesandskin.
Important:Donotmixoilwithgasoline.
RecommendedFuel
UnleadedGasoline
U.S.
Pumpoctanerating87orhigher
Except
U.S.
Researchoctanerating92orhigher
Pumpoctanerating87orhigher
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.
FillingtheFuelTank
Note:Thefueltankcapacityis6.1liter(1.61USGallon).
1.Parkthemachineonalevelsurface,stoptheengine,
andallowtheenginetocool.
2.Cleanaroundthefueltankcapandremoveit
(
Figure23).
17
G019224
Figure23
1.Fueltankcap
3.Addunleadedgasolinetothefueltank,untilthelevelis
1/4to1/2inchbelowthebottomofthellerneck.
Important:Thisspaceinthetankallowsgasoline
toexpand.Donotllthefueltankcompletelyfull.
4.Installthefueltankcapsecurely.
5.Wipeupanygasolinethatmayhavespilled.
ServicingtheEngineOil
ServiceInterval:Beforeeachuseordaily—Checktheengine
oillevel.
Important:Use4-strokemotoroilthatmeetsofexceeds
therequirementsforAPIservicecategory
SJ or later
(or
equivalent).AlwayschecktheAPIservicelabelonthe
oilcontainertobesureitincludestheSJorlater(or
equivalent).
0 20 40 60
80
10 0°F
-20 -10 0 10 20 30 40 °C
5W– 30 · 10 W– 30
30
1
G019298
Figure24
RecommendedOilViscosity
1.Oilviscosityrangeforambientoperatingtemperatures
Note:SAE10W-30isrecommendedforgeneraluse.Other
viscositiesshowninthechartmaybeusedwhentheaverage
temperatureinyourareaiswithintheindicatedrange.
CheckingtheEngineOilLevel
Important:Runningtheenginewithlowoillevelcan
causeenginedamage.Thistypeofdamageisnot
coveredbywarranty.
Theengineisequippedwithanoilalertsystemthatwill
automaticallystoptheenginebeforetheoillevelfalls
belowthesafelimit.
1.Ifthesawbladeisinstalled,dothefollowing:
A.Ensurethatthesawbladeisatthe
StartElevation;refertostep
Cin
AdjustingtheCuttingDepth(page14).
B.Removethesawblade;referto
RemovingtheBlade(page12).
2.Leveltheenginebyraisingorlowering
itwiththeelevationcrank;referto
AdjustingtheCuttingDepth(page14).
3.Cleanaroundtheoildipstick.
4.Removetheoilller/dipstickandwipeitclean
(Figure25).
1
2
G018670
3
Figure25
OilFiller/DipStick
1.Oilllercap/dipstick
3.DrainPlug
2.Fillerport
5.Inserttheoilller/dipstickintothellerneckas
showningureFigure26,butdonotthreaditinto
thellerneck.
18
2
G018669
Figure26
MaximumandMinimumOilLevels
1.Upperoillimit2.Loweroillimit
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).
Note:Onmodel68046machines,donotusethe
throttlecontrolleverontheengine.
4.Ontheengine,movetheleverofthefuelvalveto
theOnposition—allthewaytotheright;referto
FuelValve(page8).
5.Tostartacoldengine,movethechokelevertothe
Closedposition—allthewaytotheleft;referto
ChokeLever(page9).
Note:Torestartawarmengine,leavethechokelever
intheOpenposition(allthewaytotheright).
6.Ontheengine,rotatetheengineswitchtotheOn
position;refertoEngineOn/OffSwitch(page9).
7.Pulltherecoilstarthandlelightlyuntilyoufeel
resistance,thenpullthehandlebriskly.Returnthe
starterhandlegently(Figure27).
G019270
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:
19
1.RaisethesawbladetotheStartElevation;referto
AdjustingtheCuttingDepth(page14)
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).
CuttingtheJob-SiteSurface
CAUTION
•Operatethemachinewiththesafetyguardsin
placeandingoodcondition.
•Donotoperatethemachinewithablade
diameterlargerthanthespeciedcapacity;refer
to
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).
20
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