Toro PT-46 Power Trowel User manual

Brand: Toro

Model: PT-46 Power Trowel

Type: User manual

FormNo.3429-787RevA

PT-36,PT-36PP ,PT-46,and

PT-46PPPowerTrowels

ModelNo.68048—SerialNo.404320000andUp

ModelNo.68049—SerialNo.404320000andUp

ModelNo.68050—SerialNo.404320000andUp

ModelNo.68051—SerialNo.404320000andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3429-787*A

ItisaviolationofCaliforniaPublicResourceCode

Section4442touseoroperatetheengineonany

forest-covered,brush-covered,orgrass-covered

landwithoutasparkarrestermufermaintainedin

workingorder,ortheengineconstricted,equipped,

andmaintainedforthepreventionofre.Otherstates

orfederalareasmayhavesimilarlaws.GenuineT oro

sparkarrestersareapprovedbytheUSDAForestry

Service.

Becauseinsomeareastherearelocal,state,or

federalregulationsrequiringthatasparkarresterbe

usedontheengineofthismachine,asparkarresteris

availableasanoption.Ifyourequireasparkarrester,

contactyourAuthorizedServiceDealer.

Theenclosedengineowner'smanualissupplied

forinformationregardingtheUSEnvironmental

ProtectionAgency(EPA)andtheCaliforniaEmission

ControlRegulationofemissionsystems,maintenance,

andwarranty.Replacementsmaybeorderedthrough

theenginemanufacturer.

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Useofthisproductmaycauseexposure

tochemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Introduction

Thismachineisusedtocreateasmoothnishto

concreteslabs.

Readthisinformationcarefullytolearnhowtooperate

andmaintainyourproductproperlyandtoavoid

injuryandproductdamage.Youareresponsiblefor

operatingtheproductproperlyandsafely.

YoumaycontactT orodirectlyatwww.Toro.comfor

productandaccessoryinformation,helpndinga

dealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or

additionalinformation,contactanAuthorizedService

DealerorT oroCustomerServiceandhavethemodel

andserialnumbersofyourproductready.Figure

1illustratesthelocationofthemodelandserial

numbersontheproduct.Writethenumbersinthe

spaceprovided.

Important:Withyourmobiledevice,youcan

scantheQRcodeontheserialnumberdecal(if

equipped)toaccesswarranty,parts,andother

productinformation.

g239848

Figure1

1.Locationofthemodelandserialnumbers

ModelNo.

SerialNo.

8111LyndaleAvenueSouth

Bloomington,MN55420

Contactusatwww.Toro.com.

PrintedintheUSA

AllRightsReserved

Thismanualidentiespotentialhazardsandhas

safetymessagesidentiedbythesafetyalertsymbol

(Figure2),whichsignalsahazardthatmaycause

seriousinjuryordeathifyoudonotfollowthe

recommendedprecautions.

g000502

Figure2

1.Safety-alertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

Contents

Safety.......................................................................4

SafeOperatingPractices....................................4

SafetyandInstructionalDecals..........................6

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

Controls.............................................................7

Specications....................................................9

Attachments/Accessories...................................9

Operation..................................................................9

CheckingtheEngine-OilLevel............................9

CheckingtheGearcaseOilLevel......................10

CleaningDebrisfromtheMachine....................10

FoldingandUnfoldingtheHandle.....................10

AddingFuel.......................................................11

StartingtheEngine...........................................13

ShuttingOfftheEngine.....................................13

OperatingtheMachine.....................................13

Maintenance...........................................................14

RecommendedMaintenanceSchedule(s)...........14

Pre-MaintenanceProcedures..............................14

DisconnectingtheSpark-PlugWire..................14

Lubrication..........................................................15

LubricatingtheBladeArms...............................15

EngineMaintenance...........................................15

ServicingtheAirCleaner..................................15

ServicingtheEngineOil....................................16

ServicingtheGearcaseOil...............................17

ServicingtheSparkPlug...................................18

BeltMaintenance................................................19

CheckingtheBelt,PulleyAlignment,Belt

Tension,andBelt-GuideGap........................19

RemovingtheBeltGuard..................................19

InstallingtheBeltGuard....................................19

RemovingtheBelt............................................20

InstallingtheBelt..............................................20

AligningthePulleys..........................................20

AdjustingtheDyna-Clutch................................20

AdjustingtheBeltGuide...................................21

ControlsSystemMaintenance.............................22

AdjustingtheTiltKnob......................................22

AdjustingtheProPitchLinkageRod..................22

TestingtheDyna-ClutchLever..........................23

AdjustingtheBlades.........................................23

AdjustingtheBladeArms..................................25

Storage...................................................................25

Troubleshooting......................................................26

Safety

Improperuseormaintenancebytheoperatororowner

canresultininjury.T oreducethepotentialforinjury,

complywiththesesafetyinstructionsandalwayspay

attentiontothesafetyalertsymbol,whichmeans

Caution,Warning,orDanger—personalsafety

instruction.Failuretocomplywiththeinstructionmay

resultinpersonalinjuryordeath.

SafeOperatingPractices

Thisproductiscapableofcausingseriousinjury.

Alwaysfollowallsafetyinstructionstoavoidserious

injuryordeath.

WARNING

Engineexhaustcontainscarbonmonoxide,

anodorless,deadlypoisonthatcankillyou.

Donotruntheengineindoorsorinan

enclosedarea.

Training

•ReadtheOperator'sManualandothertraining

material.Iftheoperator(s)ormechanic(s)cannot

readorunderstandtheinformation,itisthe

owner'sresponsibilitytoexplainthismaterialto

them.

•Becomefamiliarwiththesafeoperationofthe

equipment,operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.

Theownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperateor

servicetheequipment.Localregulationsmay

restricttheageoftheoperator.

•Theowner/usercanpreventandisresponsiblefor

accidentsorinjuriesoccurringpeopleordamage

toproperty.

Preparation

•Wearappropriateclothingincludinghardhat,eye

protection,longpants,substantial,slip-resistant

footwear,andhearingprotection.Tiebacklong

hair,securelooseclothing,anddonotwearloose

jewelry.

•Inspecttheareawheretheequipmentistobe

usedandensurethatallobjectsareremovedfrom

theareabeforeuse.

•Useextracarewhenhandlingfuel.Theyare

ammableandvaporsareexplosive.

–Extinguishallcigarettes,cigars,pipes,and

othersourcesofignition.

–Useonlyanapprovedcontainer

–Donotremovethefuelcaporllthefueltank

whiletheengineisrunningorhot.

–Donotaddordrainfuelinanenclosedspace.

–Donotstorethemachineorfuelcontainer

wherethereisanopename,spark,orpilot

light,suchasonawaterheaterorother

appliance.

–Ifyouspillfuel,donotattempttostartthe

engine;avoidcreatinganysourceofignition

untilthefuelvaporshavedissipated.

•Checkthattheshieldsareattachedand

functioningproperly.Donotoperateunlessthey

arefunctioningproperly.

Operation

•Useyourfullattentionwhileoperatingthe

machine.Donotengageinanyactivitythat

causesdistractions;otherwise,injuryorproperty

damagemayoccur.

•Neverrunanengineinanenclosedorpoorly

ventilatedarea.

•Operatethemachineonlyingoodlight,keeping

awayfromholesandhiddenhazards.

•Stoponlevelground,setthethrottletoslow,and

shutofftheenginebeforeleavingtheoperator's

positionforanyreason.

•Ensurethattheareaisclearofotherpeoplebefore

operatingthemachine.Shutoffthemachineif

anyoneentersthearea.

•Keepbystandersoutoftheoperatingarea.Stop

themachineifanyoneentersthearea.

•Keepyourfeetclearoftheplatecompactor.

•Donotoperatethemachinewhileill,tired,or

undertheinuenceofalcoholordrugs.

•Donotchangetheenginegovernorsettingor

overspeedtheengine.

•Usecarewhenloadingorunloadingthemachine

intoatrailerortruck.

•Donottouchpartswhichmaybehotfrom

operation.Allowthemtocoolbeforeattemptingto

maintain,adjust,orservice.

•Lightningcancausesevereinjuryordeath.If

lightningisseenorthunderisheardinthearea,do

notoperatethemachine;seekshelter.

MaintenanceandStorage

•Lettheenginecoolbeforestoringanddonotstore

themachinenearanopename.

•Positionthemachineonalevelsurface,setthe

throttletoslow,andshutofftheengine.Waitfor

allmovementtostopbeforeadjusting,cleaning,

orrepairing.

•Cleandebrisfromdrives,mufers,andtheengine

tohelppreventres.Cleanupoilorfuelspills.

•Donotstorefuelnearamesordrainindoors.

•Neverallowuntrainedpersonneltoservicethe

machine.

•Carefullyreleasepressurefromcomponentswith

storedenergy.

•Disconnectthesparkplugbeforemakingany

repairs.

•Keephandsandfeetawayfrommovingparts.If

possible,donotmakeadjustmentswiththeengine

running.

•Keepallpartsingoodworkingconditionandall

hardwaretightened.Replaceallwornordamaged

decals.

•Keepnutsandboltstight.Keepequipmentin

goodcondition.

•Stopandinspecttheequipmentifyoustrike

anobject.Makeanynecessaryrepairsbefore

restarting.

•UseonlygenuineTororeplacementpartsto

ensurethatoriginalstandardsaremaintained.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea

ofpotentialdanger.Replaceanydecalthatisdamagedormissing.

decal93-9084

93-9084

1.Liftpoint

2.Tie-downpoint

decal117-4979

117–4979

1.Entanglementhazard,belt—keepawayfrommovingparts;

keepallguardsandshieldsinplace

decal125-4933

125–4933

1.Warning—readthe

Operator’sManual.

4.Chokinghazard—donot

runtheengineinan

unventilatedarea.

2.Warning—wearhearing

protection.

5.Explosionhazard—shut

offtheengineand

extinguishallames

beforerefueling.

3.Warning—keep

bystandersawayfrom

themachine.

decal125-4934

125–4934

1.ReadtheOperator’s

Manual.

3.Engageclutch

2.Disengageclutch

decal125-4935

125–4935

Models68049and68051only

1.Lowertheblades2.Raisetheblades

decal133-8062

133-8062

ProductOverview

g019519

g020316

Figure3

1.Handle-adjustmentknob

4.Dyna-Clutchlever

2.Throttlehandle5.Tilt-adjustmentknob

(Models68048and68050

only)

3.ProPitchhandle(Models

68049and68051only)

g021560

Figure4

1.Liftingpoint5.Sedimentcup

2.Fuel-tankcap6.Recoil-starterhandle

3.Chokelever7.EngineOn/Offswitch

4.Fuelvalve

Controls

Recoil-StarterHandle

Pulltherecoil-starterhandletostarttheengine

(Figure4).

FuelValve

Closethefuelvalvewhentransportingorstoringthe

machine(Figure4).

ChokeLever

Usethechokelever(Figure4)tostartacoldengine.

Beforepullingtherecoil-starterhandle,movethe

chokelevertotheclosedposition.Oncetheengineis

running,movethechokelevertotheopenposition.

Note:Awarmenginerequireslittleornochoking.

EngineOn/OffSwitch

TheOn/Offswitch(Figure4)allowstheoperatorof

themachinetostartandshutofftheengine.This

switchislocatedonthefrontoftheengine.Rotatethe

On/OffswitchtotheOnpositiontostartandrunthe

engine.RotatetheOn/OffswitchtotheOffpositionto

shutofftheengine.

ThrottleHandle

Pullthethrottlehandle(Figure3)toincreasethe

enginespeed,andpushthehandletodecreasethe

enginespeed.Turnthehandleclockwisetolock

thethrottleataspecicspeed.Turnthehandle

counterclockwisetounlockthethrottle.

Handle-AdjustmentKnob

Turntheknobcounterclockwisetoloosenandmove

thehandletothedesiredposition.Turntheknob

clockwisetotightenandlockthehandleinplace

(Figure3).

Dyna-ClutchLever

MovetheDyna-Clutchlever(Figure5)totheOn

position(up)toallowthebladestorotate.Movethe

levertotheOffposition(down)tostoptheblades.In

theeventthatyoureleasethehandlewhiletheblades

areturning,thecentrifugalforcefromtheswingofthe

handlewillthrowtheclutchlevertotheStopposition.

g019978

Figure5

1.Dyna-Clutchlever

ProPitch

Handle

Models68049and68051Only

Pullthehandletoincreasetheangleoftheblades

totheconcrete.Pressthetripbuttontoreleasethe

lock,andpushthehandletodecreasetheangleof

theblades.

g019367

Figure6

1.Tripbutton2.Handle

Tilt-AdjustmentKnob

Models68048and68050Only

Turntheknobclockwisetoincreasetheangleofthe

blades(Figure6).Turntheknobcounterclockwiseto

attenordecreasetheangleoftheblades.

g021559

Figure7

1.Tilt-adjustmentknob

Specications

Note:Specicationsanddesignaresubjectto

changewithoutnotice.

Models68048and6804968050and68051

Width

92cm(36.5inches)117cm(46inches)

Length(operating)177cm(70inches)190.5cm(75

inches)

Height(operating)99cm(39inches)99cm(39inches)

Weight

102kg(225lb)112kg(245lb)

Attachments/Accessories

Aselectionofapprovedattachmentsandaccessories

areavailableforusewiththemachinetoenhance

andexpanditscapabilities.ContactyourAuthorized

ServiceDealerorDistributororgotowww.Toro.com

foralistofallapprovedattachmentsandaccessories.

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

CheckingtheEngine-Oil

Level

ServiceInterval:Beforeeachuseordaily

Themachinecomesfromthefactorywithoilinthe

enginecrankcase.However,itmaybenecessaryto

addoil.Addonlyenoughoiltoraisetheleveltothe

Fullmarkonthedipstick;refertoServicingtheEngine

Oil(page16).

OilType:4-cycleengineoilthatmeetsorexceedsthe

requirementsforAPIservicecategorySJorhigher

Models

CrankcaseCapacity

68048and68049

0.58L(0.61USqt)

68050and68051

1.1L(1.2USqt)

Important:Ifyouruntheenginewhiletheoil

levelinthecrankcaseistoolowortoohigh,you

maydamagetheengine.

Note:UseSAE10W-30forgeneraluse.Youcan

usetheotherviscositiesshowninthechartwhen

theaveragetemperatureinyourareaiswithinthe

indicatedrange(Figure8).

g013375

Figure8

1.Positionthemachineonalevelsurface.

2.SettheDyna-ClutchlevertotheStopposition,

shutofftheengine,waitforallmovingpartsto

stop,andturnofftheengineswitch.

3.Cleanaroundthedipstick(Figure9)sothat

dirtcannotfallintothellportanddamagethe

engine.

g019746

Figure9

1.Fillport

3.Oil-levelupperlimit

2.Dipstick

4.Oil-levellowerlimit

4.Unscrewthedipstickandwipetheendclean

(Figure9).

5.Slidethedipstickfullyintothellport(Figure9)

withoutthreadingitintotheport.

6.Removethedipstickandlookattheend.Ifthe

engineoillevelislow,slowlypouronlyenough

oilintothellporttoraisetheleveltotheFull

markonthedipstick(Figure9).

7.Installandsecurethedipstick.

CheckingtheGearcaseOil

Level

ServiceInterval:Beforeeachuseordaily

1.Positionthemachineonalevelsurface.

2.SettheDyna-ClutchlevertotheSTOPposition,

shutofftheengine,andwaitforallmovingparts

tostop.

3.Lookatthesightglassinthegearcaseplug

(Figure10).Theoillevelshouldbe3/4full.

g021590

Figure10

Iftheoillevelisnotcorrect,refertoServicingthe

GearcaseOil(page17).

CleaningDebrisfromthe

Machine

ServiceInterval:Beforeeachuseordaily

1.SettheDyna-ClutchlevertotheSTOPposition,

shutofftheengine,waitforallmovingpartsto

stop,andshutofftheengine.

2.Brushdirtanddebrisawayfromtheaircleaner

andengineopenings.

FoldingandUnfoldingthe

Handle

1.Turnthehandle-adjustmentknob

counterclockwisetoloosenthehandle.

2.Placethehandletothedesiredpositionandturn

thehandle-adjustmentknobclockwisetotighten

thehandle(Figure11).

g019366

Figure11

1.Handlefullyextended3.Handlefolded

2.Handle-adjustmentknob

AddingFuel

•Forbestresults,useonlyclean,fresh(lessthan

30daysold),unleadedgasolinewithanoctane

ratingof87orhigher((R+M)/2ratingmethod).

•Ethanol:Gasolinewithupto10%ethanol

(gasohol)or15%MTBE(methyltertiarybutyl

ether)byvolumeisacceptable.Ethanoland

MTBEarenotthesame.Gasolinewith15%

ethanol(E15)byvolumeisnotapprovedforuse.

Neverusegasolinethatcontainsmorethan10%

ethanolbyvolume,suchasE15(contains15%

ethanol),E20(contains20%ethanol),orE85

(containsupto85%ethanol).Usingunapproved

gasolinemaycauseperformanceproblemsand/or

enginedamagewhichmaynotbecoveredunder

warranty..

•Donotusegasolinecontainingmethanol.

•Donotstorefueleitherinthefueltankorfuel

containersoverthewinterunlessafuelstabilizer

isused.

•Donotaddoiltogasoline.

DANGER

Incertainconditions,fuelisextremely

ammableandhighlyexplosive.Areor

explosionfromfuelcanburnyouandothers

andcandamageproperty.

•Fillthefueltankoutdoors,inanopenarea,

whentheengineiscold.Wipeupanyfuel

thatspills.

•Neverllthefueltankinsideanenclosed

trailer.

•Donotllthefueltankcompletelyfull.

Addfueltothefueltankuntilthelevelis6

to13mm(1/4to1/2inch)belowthebottom

ofthellerneck.Thisemptyspaceinthe

tankallowsfueltoexpand.

•Neversmokewhenhandlingfuel,andstay

awayfromanopenameorwherefuel

fumesmaybeignitedbyaspark.

•Storefuelinanapprovedcontainerand

keepitoutofthereachofchildren.Donot

usefuelthathasbeenstoredformorethan

30days.

•Donotoperatewithoutentireexhaust

systeminplaceandinproperworking

condition.

DANGER

Incertainconditionsduringfueling,static

electricitycanbereleasedcausingaspark

whichcanignitethefuelvapors.Areor

explosionfromfuelcanburnyouandothers

andcandamageproperty.

•Alwaysplacefuelcontainersontheground

awayfromyourvehiclebeforelling.

•Donotllfuelcontainersinsideavehicle

oronatruckortrailerbedbecauseinterior

carpetsorplastictruckbedlinersmay

insulatethecontainerandslowthelossof

anystaticcharge.

•Whenpractical,removefuel-powered

equipmentfromthetruckortrailerand

refueltheequipmentwithitswheelsonthe

ground.

•Ifthisisnotpossible,thenrefuelsuch

equipmentonatruckortrailerfroma

portablecontainerratherthanfromafuel

dispensernozzle.

•Ifafuel-dispensernozzlemustbeused,

keepthenozzleincontactwiththerimof

thefueltankorcontaineropeningatall

timesuntilfuelingiscomplete.

UsingFuelStabilizer/Conditioner

Useafuelstabilizer/conditionerinthemachineto

keepthefuelfreshduringstorageof90daysorless.

Ifyouarestoringthemachineforlonger,drainthefuel

tank;refertoStorage(page25).

Important:Donotusefueladditivescontaining

methanolorethanol.

Addthecorrectamountoffuelstabilizer/conditionerto

thefuel,andfollowthedirectionsofthemanufacturer.

Note:Fuelstabilizer/conditionerismosteffective

whenmixedwithfreshfuel.Tominimizethechanceof

varnishdepositsinthefuelsystem,usefuelstabilizer

atalltimes.

FillingtheFuelTank

Models

FuelTankCapacity

68048and68049

3.1L(0.82USgallons)

68050and68051

5.3L(1.40USgallons)

1.SettheDyna-ClutchlevertotheSTOPposition,

shutofftheengine,waitforallmovingpartsto

stop,andturnofftheengineswitch.

2.Allowtheenginetocool.

3.Cleanaroundthefuel-tankcapandremoveit

(Figure12).

Note:Thecapistetheredtothefueltank.

g020679

Figure12

1.Maximumfuellevel

4.Addunleadedfueltothefueltankuntilthe

levelisatthebottomofthemaximumfuellevel

(Figure12).

Important:Theextraspaceinthetank

allowsthefueltoexpand.Donotllthefuel

tankcompletelyfull.

5.Installthefuel-tankcapsecurely.

6.Wipeupanyspilledfuel.

StartingtheEngine

1.Setthethrottletofullspeedandsetthe

Dyna-ClutchlevertotheSTOPposition.

2.MovetheengineswitchtotheONpositionand

turnonthefuelvalve.

3.Movethechokelevertotheleftifyouare

startingacoldengine.

Note:Awarmorhotenginemaynotrequire

choking.

4.Pulltherecoil-starthandleslowlyuntilyoufeel

someresistance,thenpulltheitsharplytostart

theengine.

5.Aftertheenginestarts,graduallymovethe

choketotheright.Iftheenginestallsor

hesitates,movethechokeleftagainuntilthe

enginewarmsup.

6.Movethethrottlelevertodesiredsetting.

ShuttingOfftheEngine

1.Reducetheenginespeedtoidle.

2.Turntheengineswitchandfuelvalveoff.

3.Waitforallmovingpartstostopbefore

proceeding.

OperatingtheMachine

Important:Usethemachineonconcretethathas

notsetcompletely,butensurethattheconcrete

hassetenoughtosupporttheweightofthe

machine.

1.Starttheengine.

2.Aftertheenginehaswarmedup,adjustthe

throttletoapproximatelyhalfspeed.

3.Adjustthebladestothedesiredposition.

•Foroating,setthebladesat,butwith

sometensiononthecable.

•Fornishing,setthepitchofthebladesto

approximately6to9mm(1/4to3/8inches),

orapproximately5to10°.

4.Holdthehandlermlywith1hand,andmove

theDyna-ClutchlevertotheOnpositiontostart

themovementoftheblades.

5.Guidethetrowelovertheconcreteinacircular

back-and-forthmotion.

Note:Ifthebladesstarttodigintotheconcrete

decreasetheamountofthepitch.

6.SettheDyna-ClutchlevertotheOffposition,

waitforanymovingpartstostopmoving,and

shutofftheengine;refertoShuttingOffthe

Engine(page13).

Maintenance

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

MaintenanceProcedure

Aftertherst25hours

•Changetheengineoil.

Beforeeachuseordaily

•Checktheengine-oillevel.

•Checkthegearcaseoillevel.

•Cleandebrisfromtheaircleanerandengine.

•Lubricatethebladearms.

•Inspecttheaircleanerelements.

•Checkforloosefasteners.

Every40hours

•Checkthebelt,pulleyalignment,belttension,andbelt-guidegap.

Every50hours

•Cleantheairlterelements.Cleanthemmorefrequentlyindustyoperating

conditions.

Every100hours

•Changetheengineoil.

•Inspectandadjustthesparkplug;replaceitifnecessary.

Every150hours

•Changethegearcaseoil.

Every200hours

•Replacethesparkplug.

Every300hours

•Replacethepaperaircleanerelement.Replaceitmorefrequentlyindustyoperating

conditions.

Yearlyorbeforestorage

•Touchupchippedpaint

Pre-Maintenance

Procedures

Disconnectingthe

Spark-PlugWire

Beforeperforminganymaintenanceontheengine,

belts,orblades,disconnectthespark-plugwirefrom

thesparkplug(Figure13).

g019430

Figure13

1.Spark-plugwire

Lubrication

LubricatingtheBladeArms

ServiceInterval:Beforeeachuseordaily

GreaseType:General-purposegrease.

1.Cleanaroundeachgreasettingwitharagand

lifttheplasticcapoffeachgreasetting.

2.Pumpseveralshotsofgreaseintoeachtting

untilitstartstooozeoutofthebearing(Figure

14andFigure15).

Important:Pumpgreaseinslowlyand

carefullytopreventdamagetothebearing

seals.

g019383

Figure14

g019396

Figure15

3.Wipeupanyexcessgrease.

EngineMaintenance

ServicingtheAirCleaner

ServiceInterval:Beforeeachuseordaily—Inspect

theaircleanerelements.

Every50hours—Cleantheairlterelements.

Cleanthemmorefrequentlyindustyoperating

conditions.

Every300hours/Yearly(whichevercomes

rst)—Replacethepaperaircleanerelement.

Replaceitmorefrequentlyindustyoperating

conditions.

Important:Donotoperatetheenginewithout

theair-cleanerassembly;extremeenginedamage

willoccur.

1.SettheDyna-ClutchlevertotheSTOPposition,

shutofftheengine,andwaitforallmovingparts

tostop.

2.Disconnectthewirefromthesparkplug.

3.Removethenutthatsecurestheair-cleaner

cover(Figure16BoxA).

g019679

g019680

Figure16

4.Removethecover(Figure16BoxB).

Note:Becarefultopreventdirtanddebrisfrom

fallingintothebase.

5.Removethefoamandpaperelementsfromthe

base(Figure16BoxC).

6.Removethefoamelementfromthepaper

element(Figure16BoxD).

7.Inspectthefoamandpaperelements,and

replacethemiftheyaredamagedorexcessively

dirty.

Note:Nevertrytobrushdirtoffthepaper

element;brushingforcesthedirtintothebers.

8.Cleanthefoamelementinwarm,soapywater

orinanonammablesolvent.

Note:Donotusefueltocleanthefoamelement

becauseitcouldcreateariskofreorexplosion.

9.Rinseanddrythefoamelementthoroughly.

10.Dipthefoamelementincleanengineoil,then

squeezeouttheexcessoil.

Note:Excessoilinthefoamelementrestricts

theairowthroughtheelementandmayreach

thepaperlterandclogit.

11.Wipedirtfromthebaseandthecoverwitha

moistrag.

Note:Becarefultopreventdirtanddebrisfrom

enteringtheairductleadingtothecarburetor.

12.Installtheaircleanerelementsandensurethat

theyareproperlypositioned.

13.Securelyinstallthecoverwiththenut.

ServicingtheEngineOil

OilType:4-cycleengineoilthatmeetsorexceedsthe

requirementsforAPIservicecategorySJorhigher

Models

CrankcaseCapacity

68048and68049

0.58L(0.61USqt)

68050and68051

1.1L(1.2USqt)

Important:Iftheoillevelinthecrankcaseistoo

lowortoohighandyouruntheengine,youmay

damagetheengine.

Viscosity:UseSAE10W-30forgeneraluse.You

canusetheotherviscositiesshowninthechartwhen

theaveragetemperatureinyourareaiswithinthe

indicatedrange(Figure8).

g013375

Figure17

ChangingtheEngineOil

ServiceInterval:Aftertherst25hours

Every100hours

WARNING

Oilmaybehotaftertheenginehasbeenrun,

andcontactwithhotoilcancausesevere

personalinjury.

Avoidcontactingthehotengineoilwhenyou

drainit.

1.Positionthemachineonalevelsurface.

2.SettheDyna-ClutchlevertotheSTOPposition,

shutofftheengine,andwaitforallmovingparts

tostop.

3.Disconnectthewirefromthesparkplug.

4.Placeapanunderthedrainplugtocatchtheoil.

5.Removethedrainplug(Figure18).

g019417

Figure18

1.Drainplug

6.Replacetheplugwhentheoilhasdrained

completely.

Note:Disposeoftheusedoilatacertied

recyclingcenter.

7.Removethedipstick(Figure9)andslowlypour

oilintothellholeuntiltheoilisbetweenthe

upperandlowerllmarksonthedipstick.

8.Installandsecurethedipstick.

9.Wipeupanyspilledoil.

ServicingtheGearcaseOil

ServiceInterval:Every150hours

OilType:80W-90gearoilthatmeetsorexceeds

APIservicecategoryGL-5.

Capacity:1.18L(1.25USqt)

1.SettheDyna-ClutchlevertotheSTOPposition,

shutofftheengine,andwaitforallmovingparts

tostop.

2.Disconnectthewirefromthesparkplug.

3.Placeapanunderthedrainplugtocatchtheoil.

4.Removethegearcaseplug(Figure18).

g021574

Figure19

1.Gearcaseplug

5.Tipthemachineanddraintheoilcompletelyout

ofthegearcase.

Note:Disposeoftheusedoilatacertied

recyclingcenter.

6.Returnthemachinetoanupright,levelposition.

7.Placea3.8cm(1-1/2inch)blockunder

thestationarybladeguard(outerring)so

thatthesideofthegearboxwiththeplugis

approximately6mm(1/4inch)higherthanthe

othersideofthegearbox.

8.Slowlypouroilintotheplugholeuntiltheoil

reachesthethreadsofthehole.

Note:Ifnecessary,useaexiblefunnel.

9.Applythread-sealingcompoundtothethreads

oftheplug.

10.Installandtightenthepluguntilitissecure,and

returnthemachinetoanupright,levelposition.

Note:Theoillevelinthesightglassoftheplug

shouldbe3/4full(Figure20).

g021590

Figure20

ServicingtheSparkPlug

ServiceInterval:Every100hours—Inspectand

adjustthesparkplug;replaceitif

necessary.

Every200hours—Replacethesparkplug.

UseanNGKBPR6ESsparkplugorequivalent.

1.SettheDyna-ClutchlevertotheSTOPposition,

shutofftheengine,andwaitforallmovingparts

tostop.

2.Disconnectthewirefromthesparkplug.

3.Cleanaroundthesparkplug.

4.Removethesparkplugfromthecylinderhead.

Important:Replaceacracked,fouled,or

dirtysparkplug.Donotcleantheelectrodes,

becausegritenteringthecylindercan

damagetheengine.

5.Setthegapontheplugto0.76mm(0.030inch);

refertoFigure21.

g019300

Figure21

1.Sideelectrode

3.Insulator

2.Centerelectrode4.0.76mm(0.030inch)gap

6.Carefullyinstallthesparkplugbyhand(toavoid

crossthreading)untilitishandtight.

7.Tightenthesparkpluganadditional1/2turnif

itisnew;otherwise,tightenitanadditional1/8

to1/4turn.

Important:Aloosesparkplugcanbecome

veryhotandcandamagetheengine;

overtighteningasparkplugmaydamagethe

threadsinthecylinderhead.

8.Connectthewiretothesparkplug.

BeltMaintenance

CheckingtheBelt,Pulley

Alignment,BeltTension,

andBelt-GuideGap

ServiceInterval:Every40hours

1.Removethebeltguard;refertoRemovingthe

BeltGuard(page19).

2.MovetheDyna-ClutchlevertotheSTOPposition.

3.Checktheconditionofthebeltforwearor

damage.

Note:Ifthebeltiswornordamaged,replace

thebelt;refertoRemovingtheBelt(page20)

andInstallingtheBelt(page20).

4.MovetheDyna-ClutchlevertotheRUNposition.

5.Checkthatthebeltisalignedstraightbetween

pulleys.

Note:Ifthebeltdoesnotrunstraightbetween

pulleys,alignthepulleys;refertoAligningthe

Pulleys(page20).

6.Checkthatthebelthasenoughtensiontoatten

itbetweentheenginepulleyandthebelttension

pulley.

Note:Ifbelttensionistoolow,adjustthe

tensionofthebelt-tensionpulley;referto

AdjustingtheDyna-Clutch(page20).

7.Measurethegapbetweenthebeltandthebelt

guide.Theairgapshouldbeapproximately6

mm(1/4inch).

Note:Iftheairgapislargerorsmallerthan6

mm(1/4inch),adjustthebeltguide(Figure26);

refertoAdjustingtheBeltGuide(page21).

8.Installthebeltguard;refertoInstallingtheBelt

Guard(page19).

RemovingtheBeltGuard

1.Removethe2hex-washerheadbolts(5/16x1

inch)thatsecurethebeltguardtothebelt-guard

bracket(Figure22).

g024872

Figure22

1.Hex-washerheadbolt3.Belt-coverbracket

2.Beltcover

2.Pullthebeltguardawayfromtheengineand

thenup(Figure22).

InstallingtheBeltGuard

1.Aligntheholesinthebeltguardwiththeholesin

thebelt-coverbracket(Figure22).

2.Securethebeltguardtothebracketwiththe2

hex-washerheadbolts(5/16x1inch).

RemovingtheBelt

1.Positionthemachineonalevelsurface,place

theDyna-ClutchleverintheSTOPposition,shut

offtheengine,anddisconnectthespark-plug

wire.

2.Removethebeltguard;refertoRemovingthe

BeltGuard(page19).

3.Slipthebeltoffthebelt-tensionpulley(Figure

23).

g241621

Figure23

1.Belt-tensionpulley

3.Gearboxpulley

2.Belt4.Enginepulley

4.Slipthebeltoffthegearboxpulley(Figure23).

5.Slipthebeltofftheenginepulleyandremove

thebelt(Figure23).

InstallingtheBelt

1.EnsuretheDyna-ClutchleverintheSTOP

position.

2.Alignthebeltovertheenginepulley(Figure23).

3.Alignthebeltoverthegearboxpulley(Figure

23).

4.Slipthebeltoverthebelt-tensionpulley(Figure

23).

5.Installthebeltguard;refertoInstallingtheBelt

Guard(page19).

AligningthePulleys

1.Placeastraight-edgeruleracrosstheengine

pulleyandthegearboxpulley(Figure24).

g024874

Figure24

1.Straightedge

3.Enginepulley

2.Gearboxpulley4.Setscrew

2.Ifthepulleysareoutofalignment,performthe

followingsteps:

A.Loosenthe2setscrewsthatsecurethe

enginepulleytotheengineshaft(Figure

24).

B.Gentlytaptheenginepulleytowardor

awayfromtheengineuntilthegearboxand

enginepulleysaligntothestraight-edge

ruler(Figure24).

C.Tightenthe2setscrewsthatsecurethe

enginepulleytotheengineshaft(Figure

24).

AdjustingtheDyna-Clutch

Important:Thisadjustmentprocedureaffectsthe

operationoftheDyna-Clutchandiscriticaltothe

safeoperationofthemachine.

Adjustthetension-pulleyspringasneededtotighten

thebelt.

1.MovetheDyna-ClutchlevertotheSTOPposition;

refertoDyna-ClutchLever(page8).

2.Loosenthe2jamnutsthatsecurethebarrelof

theclutchcabletotheclutchbracket,androtate

thenutstoeitherendofthreadsonthebarrel

(Figure25).

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Toro PT-46 Power Trowel User manual

Toro PT-46 Power Trowel User manual

Toro PT-46 Power Trowel User manual

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