Toro PT21 Trim Mower User manual

Brand: Toro

Model: PT21 Trim Mower

Category: Lawnmowers

Type: User manual

Toro PT21 Trim Mower

Below you will find brief product information for Toro PT21 Trim Mower. This lightweight and compact electric lawn mower is perfect for small to medium-sized lawns. The Toro PT21 Trim Mower features a powerful motor, a durable cutting deck, and a variety of adjustable settings to help you achieve the perfect cut for your lawn. Check its features designed to give you a pristine lawn with minimal effort:

Powerful motor efficiently cuts through grass and weeds Durable cutting deck withstands tough conditions Adjustable cutting height lets you customize the length of your grass

Toro PT21 Trim Mower

Powerful motor efficiently cuts through grass and weeds Durable cutting deck withstands tough conditions Adjustable cutting height lets you customize the length of your grass

FormNo.3356-351RevC

PT21CommercialLawnMower

ModelNo.22193—SerialNo.270000001andUp

ModelNo.22194—SerialNo.270000001andUp

Registeratwww.Toro.com.OriginalInstructions(EN)

Important:Thisengineisnotequippedwitha

sparkarrestermufer.ItisaviolationofCalifornia

PublicResourceCodeSection4442touseoroperate

theengineonanyforest-covered,brush-covered,or

grass-coveredland.Otherstatesorfederalareas

mayhavesimilarlaws.

ThissparkignitionsystemcomplieswithCanadian

ICES-002.

Theenclosed

Engine Owner’ s Man ual

issupplied

forinformationregardingtheUSEnvironmental

ProtectionAgency(EPA)andtheCalifornia

EmissionControlRegulationofemissionsystems,

maintenance,andwarranty.Replacementsmaybe

orderedthroughtheenginemanufacturer.

Introduction

Readthisinformationcarefullytolearnhowtooperate

andmaintainyourproductproperlyandtoavoidinjury

andproductdamage.Youareresponsibleforoperating

theproductproperlyandsafely.

YoumaycontactTorodirectlyatwww .Toro.comfor

productandaccessoryinformation,helpndinga

dealer,ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,or

additionalinformation,contactanAuthorizedService

DealerorToroCustomerServiceandhavethemodel

andserialnumbersofyourproductready.Figure1

identiesthelocationofthemodelandserialnumbers

ontheproduct.Writethenumbersinthespace

provided.

Figure1

1.Modelandserialnumberplate

ModelNo.

SerialNo.

Thismanualidentiespotentialhazardsandhas

safetymessagesidentiedbythesafetyalertsymbol

(Figure2),whichsignalsahazardthatmaycauseserious

injuryordeathifyoudonotfollowtherecommended

precautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2wordstohighlightinformation.

Importantcallsattentiontospecialmechanical

informationandNoteemphasizesgeneralinformation

worthyofspecialattention.

Contents

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

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

GeneralLawnMowerSafety.................................3

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

Setup............................................................................6

1InstallingtheHandle..........................................6

2InstallingtheStarterRope..................................7

3FillingtheCrankcasewithOil.............................7

4AdjustingtheHandleHeight..............................7

ProductOverview........................................................8

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

CheckingtheEngineOilLevel..............................9

FillingtheFuelTankwithGasoline.....................10

StartingtheEngine.............................................11

StoppingtheEngine...........................................12

UsingtheSelf-propelDrive................................13

AdjustingtheCuttingHeight..............................13

RecyclingtheClippings.......................................13

Side-dischargingtheClippings............................14

OperatingTips...................................................15

Maintenance...............................................................16

RecommendedMaintenanceSchedule(s)................16

Lubrication.............................................................17

LubricatingtheWheelGears...............................17

EngineMaintenance...............................................17

ServicingtheAirFilter........................................17

ChangingtheEngineOil....................................18

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

FuelSystemMaintenance.......................................19

EmptyingtheFuelTankandCleaningthe

FuelFilter.......................................................19

BladeMaintenance.................................................19

MaintainingtheCuttingBlade.............................19

Cleaning.................................................................21

CleaningundertheMowerHousing....................21

Storage.......................................................................22

8111LyndaleAvenueSouth

Bloomington,MN55420

Contactusatwww.Toro.com.

PrintedintheUSA.

AllRightsReserved

PreparingtheFuelSystem...................................22

PreparingtheEngine..........................................22

GeneralInformation..........................................22

RemovingtheLawnMowerfromStorage............22

Troubleshooting.........................................................23

Safety

ThislawnmowermeetsorexceedstheCPSC

bladesafetyrequirementsforwalk-behindrotary

lawnmowersandtheB71.4specicationsofthe

AmericanNationalStandardsInstituteineffectat

thetimeofproduction.

Improperlyusingormaintainingthislawnmower

canresultininjury.Toreducethepotentialfor

injury,complywiththesesafetyinstructions.

Torodesignedandtestedthislawnmowerfortooffer

reasonablysafeservice;however,failuretocomply

withthefollowinginstructionsmayresultin

personalinjury.

Engineexhaustcontainscarbonmonoxide,an

odorless,deadlypoisonthatcankillyou.

Donotruntheengineindoorsorinanenclosed

area.

Toensuremaximumsafety,bestperformance,and

togainknowledgeoftheproduct,itisessentialthat

youandanyotheroperatorofthelawnmowerread

andunderstandthecontentsofthismanualbefore

theengineiseverstarted.Payparticularattention

tothesafetyalertsymbol(Figure2)whichmeans

Caution,Warning,orDanger—“personalsafety

instruction.”Readandunderstandtheinstruction

becauseithastodowithsafety.Failuretocomply

withtheinstructionmayresultinpersonalinjury.

GeneralLawnMowerSafety

Thislawnmoweriscapableofamputatinghandsand

feetandofthrowingobjects.Failuretoobservethe

followingsafetyinstructionscouldresultinserious

injuryordeath.

ThefollowinginstructionsarefromtheANSI/OPEI

B71.4-2004standard.

Training

•ReadtheOperator’sManualandothertraining

material.Iftheoperator(s)ormechanic(s)cannot

readEnglishitistheowner’sresponsibilitytoexplain

thismaterialtothem.

•Becomefamiliarwiththesafeoperationofthe

equipment,operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.The

ownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperateor

servicetheequipment.Localregulationsmayrestrict

theageoftheoperator.

•Theowner/usercanpreventandisresponsiblefor

accidentsorinjuriesoccurringtothemselves,other

people,orproperty.

Preparation

•Onlyuseaccessoriesandattachmentsapprovedby

themanufacturer.

•Wearappropriateclothingincludinghardhat,safety

glasses,andearprotection.Longhair,looseclothing

orjewelrymaygettangledinmovingparts.

•Inspecttheareawheretheequipmentistobeused

andremoveallobjectssuchasrocks,toysandwire

whichcanbethrownbythemachine.

•Useextracarewhenhandlinggasolineandother

fuels.Theyareammableandvaporsareexplosive.

–Useonlyanapprovedcontainer.

–Neverremovegascaporaddfuelwithengine

running.Allowenginetocoolbeforerefueling.

Donotsmoke.

–Neverrefuelordrainthemachineindoors.

•Checkthatoperator’spresencecontrols,safety

switchesandshieldsareattachedandfunctioning

properly.Donotoperateunlesstheyarefunctioning

properly.

Operation

•Neverrunanengineinanenclosedarea.

•Onlyoperateingoodlight,keepingawayfromholes

andhiddenhazards.

•Onlystartenginefromtheoperator’sposition.

•Besureofyourfooting,especiallywhenbacking

up.Walk,don’trun.Neveroperateonwetgrass.

Reducedfootingcouldcauseslipping.

•Slowdownanduseextracareonhillsides.Besure

totravelsidetosideonhillsides.Turfconditions

canaffectthemachine’sstability.Usecautionwhile

operatingneardrop-offs.

•Donotoperatethelawnmowerwithouteitherthe

grasscatcherortheguardinplace.

•Donotchangetheenginegovernorsettingor

overspeedtheengine.

•Stoponlevelgroundandshutoffenginebefore

leavingtheoperator’spositionforanyreason

includingemptyingthecatcheroruncloggingthe

chute.

•Stopequipmentandinspectbladeafterstriking

objectsorifanabnormalvibrationoccurs.Make

necessaryrepairsbeforeresumingoperations.

•Keephandsandfeetawayfromthecuttingunits.

•Lookbehindanddownbeforebackinguptobesure

ofaclearpath.

•Keeppetsandbystandersaway.

•Slowdownandusecautionwhencrossingroadsand

sidewalks.Stopbladeifyouarenotmowing.

•Beawareofthemowerdischargedirectionanddo

notpointitatanyone.

•Donotoperatethemowerundertheinuenceof

alcoholordrugs.

•Usecarewhenloadingorunloadingthemachine

intoatrailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,

trees,orotherobjectsthatmayobscurevision.

MaintenanceandStorage

•Stopengineanddisconnectsparkplugwire.Wait

forallmovementtostopbeforeadjusting,cleaning

orrepairing.

•Cleangrassanddebrisfromcuttingunit,drive,

mufer,andenginetohelppreventres.Cleanup

oilorfuelspillage.

•Letenginecoolbeforestoringanddonotstorenear

ame.

•Shutofffuelwhilestoringortransporting.Donot

storefuelnearamesordrainindoors.

•Neverallowuntrainedpersonneltoservicemachine.

•Removesparkplugwirebeforemakinganyrepairs.

•Usecarewhencheckingblade.Wrapthebladeor

weargloves,andusecautionwhenservicingthem.

Onlyreplaceblade.Neverstraightenorweldit.

•Keephandsandfeetawayfrommovingparts.If

possible,donotmakeadjustmentswiththeengine

running.

•Keepallpartsingoodworkingconditionandall

hardwaretightened.Replaceallwornordamaged

decals.

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof

potentialdanger.Replaceanydecalthatisdamagedorlost.

Manufacturer’sMark

1.Indicatesthebladeisidentiedasapartfromtheoriginal

machinemanufacturer.

98-4387

1.Warning—wearhearingprotection.

105-6838

110-4989

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

Qty.

Use

Oval-headbolt(Model22193only)

Oval-headbolt(Model22194only)

Locknut(Model22193only)

Locknut(Model22194only)

Upperhandle(Model22194only)

Cabletie

Installthehandle.

Nopartsrequired

–

Installthestarterrope.

Nopartsrequired

–

Fillthecrankcasewithoil.

Nopartsrequired

–

Adjustthehandleheight.

Note:Determinetheleftandrightsidesofthemachine

fromthenormaloperatingposition.

InstallingtheHandle

Partsneededforthisprocedure:

Oval-headbolt(Model22193only)

Oval-headbolt(Model22194only)

Locknut(Model22193only)

Locknut(Model22194only)

Upperhandle(Model22194only)

Cabletie

Procedure

1.Attachtheupperhandletothelowerhandleusing4

oval-headboltsand4locknuts(model22194only).

Note:Ensurethattheboltheadsaretotheoutside

ofthehandle.

2.Removetheboltsandwashersfromthemower

housingthatwillholdthehandletothehousing

(model22193only).

3.Movethehandletotheoperatingposition.

4.Attachthehandletothemowerhousingwiththe

boltsandwashersthatyouremovedinstep2(model

22193only)butdonottightenthem(Figure3).

Figure3

1.Endcaponreardoorrod

4.Handlebrace(2)

2.Boltandwasher(2)

5.Boltheadalignedwiththe

handle.

3.Locknut(2)

5.Attachthehandlebracestothelowerhandlesides

with2oval-headbolts(model22193only)andsecure

themngertightusing2locknuts(Figure3).

Important:Ensurethattheboltheadsareto

the

inside

ofthehandle.

Important:Ifthehandlehasroundholes,the

squareshankoftheboltswillnottintothe

holesinthehandleatthistime.

6.Securethehandleasfollows:

•Iftheholesinthehandlearesquare,alignand

insertthesquareshankoftheoval-headboltsinto

thehandlesothattheboltheadsaretightagainst

thehandleandtightenthelocknuts(Figure3).

•Iftheholesinthehandleareround,alignthe

ovalboltheadswiththehandleasshownin

Figure3;then,holdingtheheadsinthatposition,

tighteneachnutwithawrenchtopullthesquare

shankintothehandleuntiltheboltheadsare

tightagainstthehandle.

7.Tightenallthefastenersonthehandleandhandle

braces.

8.Usethecabletieprovidedtosecurethecontrol

cable(s)tothehandle.

Note:Attachthecabletieaslowaspossibleonthe

handletopreventthecable(s)fromhookingonto

theendcaponthereardoorrodandinterferingwith

theself-propelsystem(Figure3).

InstallingtheStarterRope

NoPartsRequired

Procedure

1.Pullthestarterropethroughtheropeguideonthe

handle(Figure4).

Figure4

1.Starterrope

2.Ropeguide

Note:Tomaketheropeeasiertoinstall,squeeze

thecontrolbaronthehandle.

2.Untietheslipknotinthestarterrope(Figure5).

Figure5

1.Slipknot

FillingtheCrankcasewithOil

NoPartsRequired

Procedure

Theenginecrankcaseisshippedwithoutoil.Youmust

llitwithapproximately22ounces(0.65liters)ofoil

beforestartingtheengine.RefertoCheckingtheEngine

OilLevelinOperation,page9,foroilspecications

andinstructions.

AdjustingtheHandleHeight

NoPartsRequired

Procedure

Youmayraiseorlowerthehandletoaposition

comfortableforyou.

1.Removethefastenerthatattachesthehandlebraces

tothelowerhandleends.

2.Inserttheboltthroughtheholeineachofthehandle

bracesthatsetsthehandletothedesiredposition

andtighten(Figure6).

Figure6

1.Highestposition3.Lowestposition

2.Middleposition(either

hole)

ProductOverview

Figure7

Model22193

1.Recoilstarthandle

6.Airlter

2.Bladecontrolbar

7.Cuttingheightlever(4)

3.Fueltank

8.Sparkplug

4.Oilll/dipstick

9.Primer

5.Sidedischarge

Figure8

Model22194

1.Upperhandle

6.Airlter

2.Recoilstarthandle7.Primer

3.Bladecontrolbar

8.Cuttingheightlever(4)

4.Fueltank

9.Sparkplug

5.Oilll/dipstick10.Sidedischarge

Figure9

1.Sidedischargechute

2.Reardischargeplug

(installed)

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Eachtimebeforeyoumow,makesurethatthe

self-propeldriveandthebladecontrolbaroperate

properly.Whenyoureleasethebladecontrolbar,the

bladeandself-propeldriveshouldstop.Iftheydonot,

contactanAuthorizedServiceDealer.

Thismachineproducessoundlevelsinexcess

of85dBAattheoperator’searandcancause

hearinglossthroughextendedperiodsof

exposure.

Wearhearingprotectionwhenoperatingthis

machine.

Figure10

1.Warning—wearhearingprotection.

CheckingtheEngineOilLevel

ServiceInterval:Beforeeachuseordaily

Initially,llthecrankcasewith22ounces(0.65liters)

ofoil.Useonlyhigh-qualitySAE30orSAE10W30

weightdetergentoilthathastheAmericanPetroleum

Institute(API)serviceclassicationSF,SG,SH,orSJ.

Beforeeachuse,ensurethattheoillevelisbetweenthe

AddandFullmarksonthedipstick(Figure11).

Figure11

1.Dipstick3.Add

2.Full

Note:Whenthecrankcaseisempty,pourabout3/4

ofthecrankcasecapacityofoilinthecrankcase,then

followtheprocedureinthissection.

1.Movethelawnmowertoalevelsurface.

2.Cleanaroundthedipstick(Figure11).

3.Removethedipstickbyrotatingthecap

counterclockwiseandpullingitout.

4.Wipethedipstickcleanwithacleancloth.

5.Insertthedipstickintothellerneck,butdonot

screwitin.

6.Removethedipstickandreadtheoillevelonthe

dipstick(Figure11).

7.IftheoillevelreadingisbelowtheAddmarkon

thedipstick,slowlypouronlyenoughoilintothe

llerholetoraisetheoilleveltotheFullmarkon

thedipstick.

Important:Donotoverllthecrankcasewith

oilandruntheengine;enginedamagewill

result.Draintheexcessoiluntiltheoillevelon

thedipstickreadsFull.

8.Insertthedipstickintothellerneckandrotatethe

capclockwiseuntilitistight.

FillingtheFuelTankwith

Gasoline

Forbestresults,useclean,fresh,lead-freegasolinewith

anoctaneratingof87orhigher.Toensurefreshness,

purchaseonlythequantityofgasolinethatyouexpectto

usein30days.Usingunleadedgasolineresultsinfewer

combustiondepositsandlongerenginelife.Youmay

useleadedgasolineifunleadedgasolineisnotavailable.

Important:Donotaddoiltothegasoline.

Important:Donotusemethanol,gasoline

containingmethanol,gasoholcontainingmore

than10%ethanol,premiumgasoline,orwhitegas.

Usingthesefuelscandamagetheengine’sfuel

system.

Important:Donotusegasolinethathasbeen

storedsincethelastmowingseasonorlonger.

Incertainconditions,gasolineisextremely

ammableandhighlyexplosive.Areor

explosionfromgasolinecanburnyouand

othersandcandamageproperty.

•Fillthefueltankoutdoors,inanopenarea,

andwhentheengineiscold.Wipeupany

gasolinethatspills.

•Donotllthefueltankcompletelyfull.Add

gasolinetothefueltankuntilthelevelis1/4

to1/2in.(6to13mm)belowthebottomof

thellerneck.Thisemptyspaceinthetank

allowsthegasolinetoexpand.

•Neversmokewhenhandlinggasoline,and

stayawayfromanopenameorwherea

sparkmayignitethegasolinefumes.

•Storegasolineinanapprovedfuelcontainer

andkeepitoutofthereachofchildren.

•Neverbuymorethana30-daysupplyof

gasoline.

Whenfueling,undercertaincircumstances,a

staticchargecandevelop,ignitingthegasoline.

Areorexplosionfromgasolinecanburnyou

andothersanddamageproperty.

•Alwaysplacegasolinecontainersonthe

groundandawayfromyourvehiclebefore

lling.

•Donotllgasolinecontainersinsidea

vehicleoronatruckortrailerbedbecause

interiorcarpetsorplastictruckbedliners

mayinsulatethecontainerandslowtheloss

ofanystaticcharge.

•Whenpractical,removegasoline-powered

equipmentfromthetruckortrailerand

refueltheequipmentwithitswheelsonthe

round.

•Ifthisisnotpossible,thenrefuelsuch

equipmentonatruckortrailerfroma

portablecontainer,notfromagasoline

dispensernozzle.

•Ifyoumustuseagasolinedispensernozzle,

keepthenozzleincontactwiththerimof

thefueltankorcontaineropeningatall

timesuntilfuelingiscomplete.

Useafuelstabilizer/conditionerregularlyduring

operationandstorage.Astabilizer/conditionercleans

theengineduringoperationandpreventsgum-like

varnishdepositsfromformingintheengineduring

periodsofstorage.

Important:Donotusefueladditivesotherthan

afuelstabilizer/conditioner.Donotusefuel

stabilizerswithanalcoholbasesuchasethanol,

methanol,orisopropanol.

1.Cleanaroundthefueltankcap(Figure12).

Figure12

1.Oilll/dipstick

3.Aircleaner

2.Fueltankcap

2.Removethecapfromthetank.

3.Fillthefueltankwithunleadedgasolinetowithin

1/4to1/2inch(6to13mm)fromthetopofthe

tank.Donotllintothellerneck.

Important:Donotllthetankmorethan1/4

inch(6mm)fromthetopofthetankbecause

thegasolinemusthaveroomtoexpand.

4.Installthefueltankcapandwipeupanyspilled

gasoline.

StartingtheEngine

1.Connectthewiretothesparkplug(Figure13).

Figure13

1.Spark-plugwire

2.Firmlypushintheprimeroncewithyourthumb

(Figure14).

Note:Donotpushintheprimerexcessivelyto

preventoodingtheenginewithfuel.

Figure14

3.Holdthebladecontrolbaragainstthehandle

(Figure15)or(Figure16).

Figure15

Model22193

Figure16

Model22194

4.Pulltherecoilstarter(Figure17)or(Figure18).

Figure17

Model22193

Figure18

Model22194

5.Ifthemowerdoesnotstartin1or2pulls,pressthe

primerbutton1or2timesandtrystartingitagain.

Note:Ifthemowerstilldoesnotstart,contactan

AuthorizedServiceDealer.

StoppingtheEngine

Releasethebladecontrolbar(Figure19).

Figure19

Important:Whenyoureleasethebladecontrol

bar,boththeengineandbladeshouldstopwithin

3seconds.Iftheydonotstopproperly,stop

usingyourmowerimmediatelyandcontactan

AuthorizedServiceDealer.

UsingtheSelf-propelDrive

Model22194only

Tooperatetheself-propeldrive,simplywalkwithyour

handsontheupperhandleandyourelbowsatyour

sides,andthemowerwillautomaticallykeeppacewith

you(Figure20).

Figure20

AdjustingtheCuttingHeight

Adjustingthecuttingheightmaybringyouinto

contactwiththemovingblade,causingserious

injury.

•Stoptheengineandwaitforallmovingparts

tostop.

•Donotputyourngersunderthehousing

whenadjustingthecuttingheight.

Iftheenginehasbeenrunning,themuferwill

behotandcanseverelyburnyou.Keepaway

fromthehotmufer.

Adjustthecuttingheightasdesired.Setallfourwheels

tothesameheight.

Note:Toraisethemower,moveall4cuttingheight

leversforward;tolowerthemower,movethemall

rearward(Figure21).

Figure21

RecyclingtheClippings

Yourmowercomesfromthefactoryreadytorecycle

thegrassandleafclippingsbackintothelawn.

Ifthegrassbagisonthemower,removeit(referto

RemovingtheGrassBag)beforerecyclingtheclippings.

Ifthesidedischargechuteisonthemower,removeit

andlockthesidedischargedoor(refertoRemovingthe

SideDischargeChute)beforerecyclingtheclippings.

Important:Ensurethatthereardischarge

plugisinplacebeforeyourecycletheclippings

(Figure22).

Figure22

Side-dischargingthe

Clippings

Usethesidedischargeforcuttingverytallgrass.

Ifthebagisonthemower,removeitandinsertthe

reardischargeplug(refertoRemovingtheGrassBag)

beforeside-dischargingtheclippings.

Important:Ensurethatthereardischarge

plugisinplacebeforeyourecycletheclippings

(Figure23).

Figure23

Thebladeissharp;contactingthebladecan

resultinseriouspersonalinjury.

Stoptheengineandwaitforallmovingpartsto

stopbeforeleavingtheoperatingposition.

InstallingtheSideDischargeChute

1.Unlockthesidedischargedoor(Figure24).

Figure24

2.Liftopenthesidedischargedoor(Figure25).

Figure25

3.Installthesidedischargechuteandclosethedoor

ontothechute(Figure26).

Figure26

RemovingtheSideDischargeChute

Toremovethesidedischargechute,reversethesteps

above.

Important:Lockthesidedischargedoorafteryou

closeit(Figure27).

Figure27

OperatingTips

GeneralTips

•Maintainasharpbladethroughoutthecutting

season.Periodicallyledownnicksontheblade.

•Replacethebladewhennecessarywithanoriginal

Tororeplacementblade.

•Mowonlydrygrassorleaves.Wetgrassandleaves

tendtoclumpontheyardandcancausethemower

toplugortheenginetostall.

Wetgrassorleavescancauseseriousinjuryif

youslipandcontacttheblade.

Mowonlyindryconditions.

•Cleanunderthemowerhousingaftereachmowing.

SeeCleaningundertheMowerHousing.

•Keeptheengineingoodrunningcondition.

•Settheenginespeedtothefastestpositionforthe

bestcuttingresults.

Operatingamowerwithitsenginerunningat

aspeedgreaterthanthefactorysettingcan

causethemowertothrowapartofthebladeor

engineintotheoperator’sorbystander’sarea

andresultinseriouspersonalinjuryordeath.

–Donotchangetheenginespeedsetting.

–Ifyoususpecttheenginespeedisfaster

thannormal,contactanAuthorizedService

Dealer.

•Cleantheairlterfrequently.Mulchingstirsup

moreclippingsanddustwhichclogstheairlter

andreducesengineperformance.

CuttingGrass

•Grassgrowsatdifferentratesatdifferenttimesof

theyear.Inthesummerheat,itisbesttocutgrass

atthe2-1/4inch(57mm),2-3/4inch(70mm),or

3-1/4inch(83mm)cuttingheightsettings.Cut

onlyaboutathirdofthegrassbladeatatime.Do

notcutbelowthe2-1/4inch(57mm)settingunless

thegrassissparseoritislatefallwhengrassgrowth

beginstoslowdown.

•Whencuttinggrassover6inches(15cm)tall,rst

mowatthehighestcuttingheightsettingandwalk

slower;thenmowagainatalowersettingforthe

bestlawnappearance.Ifthegrassistoolongand

theleavesclumpontopofthelawn,themowermay

plugandcausetheenginetostall.

•Alternatethemowingdirection.Thishelpsdisperse

theclippingsoverthelawnforevenfertilization.

Ifthenishedlawnappearanceisunsatisfactory,try

oneormoreofthefollowing:

•Sharpentheblade.

•Walkataslowerpacewhilemowing.

•Raisethecuttingheightonyourmower.

•Cutthegrassmorefrequently.

•Overlapcuttingswathsinsteadofcuttingafull

swathwitheachpass.

•Setthecuttingheightonthefrontwheelsonenotch

lowerthantherearwheels.Forexample,setthe

frontwheelsat2-1/4inches(57mm)andtherear

wheelsat2-3/4inches(70mm).

CuttingLeaves

•Aftercuttingthelawn,ensurethathalfofthelawn

showsthroughthecutleafcover.Youmayneedto

makemorethanonepassovertheleaves.

•Forlightleafcoverage,setallthewheelsatthesame

cuttingheightsetting.

•Iftherearemorethan5inches(12.7cm)ofleaves

onthelawn,setthefrontcuttingheight1or2

notcheshigherthantherearcuttingheight.This

makesiteasiertofeedtheleavesunderthemower

housing.

•Slowdownyourmowingspeedifthemowerdoes

notcuttheleavesnelyenough.

•Ifyoumowoveroakleaves,youcanaddlimeto

thegrassinthespringtoreducetheacidityofthe

oakleaves.

Maintenance

Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.

RecommendedMaintenanceSchedule(s)

MaintenanceService

Interval

MaintenanceProcedure

Aftertherst8hours

•Changetheengineoil.

Beforeeachuseordaily

•Checktheengineoillevel.

•Inspectthemowerbladesforwearordamage.

•Cleanunderthemowerhousing.

Every25hours

•Lubricatetherearwheelgears.

•Cleanthefoampre-cleaner(morefrequentlyindustyconditions).

Every50hours

•Changetheengineoil(moreoftenindustyconditions).

Every100hours

•Checkthesparkplug.

Every300hours

•Replacethepaperairlter(morefrequentlyindustyconditions).

Yearly

•Emptythefueltankandcleanthefuellter.

Important:Refertoyour

Engine Operator’ s Man ual

foradditionalmaintenanceprocedures.

Ifyouleavethewireonthesparkplug,someonecouldaccidentlystarttheengineandseriouslyinjure

youorotherbystanders.

Disconnectthewirefromthesparkplugbeforeyoudoanymaintenance.Setthewireasidesothatit

doesnotaccidentlycontactthesparkplug.

Lubrication

LubricatingtheWheelGears

ServiceInterval:Every25hours

Lubricateeachrearwheelwithgreaseyearly.

1.Wipethegreasettingsjustinsidetherearwheels

withacleanrag(Figure28).

Figure28

1.Greasetting

2.Installagreasegunontoeachttingandgentlyapply

2or3pumpsof#2multi-purposelithium-base

grease.

EngineMaintenance

ServicingtheAirFilter

ServiceInterval:Every25hours

Every300hours

Cleanthefoampre-cleanerevery25operatinghours.

Replacethepaperairlteronceeveryseasonorevery

300operatinghours;replaceitmorefrequentlyindusty

conditions.

Important:Donotoperatetheenginewithoutthe

airlterassembly;extremeenginedamagewill

occur.

1.Stoptheengineandwaitforallmovingpartstostop.

2.Removethescrewthatsecurestheairlter

coverFigure29).

Figure29

1.AirFilterhousing

4.Cover

2.Foampre-cleaner

5.Screw

3.Paperairlter

3.Removethecoverandcleanitthoroughly(Figure29).

4.Removeandinspectthepaperairlter(Figure29),

anddiscarditifitisexcessivelydirty.

Important:Donottrytocleanapaperlter.

5.Removethefoampre-cleanerandwashitwitha

milddetergentandwater,thenblotitdry.

6.Saturatethepre-cleanerwithoil,thensqueezeit(do

nottwist)toremovetheexcessoil.

7.Installthefoampre-cleaner.

8.Installthepaperairlter.

Note:Installanewpaperairlterifyoudiscarded

theoldone.

9.Installthecoverandsecureitwiththescrew.

ChangingtheEngineOil

ServiceInterval:Aftertherst8hours

Every50hours

Changetheoilaftertherst8operatinghoursandthan

afterevery50operatinghoursoreveryseason(more

frequentlyindustyordirtyconditions).

1.Runtheenginetowarmtheengineoil.

Note:Warmoilowsbetterandcarriesmore

contaminants.

Oilmaybehotafterenginehasbeenrun,and

contactwithhotoilcancauseseverepersonal

injury.

Avoidcontactingthehotengineoilwhenyou

drainit.

2.Stoptheengineandwaitforallmovingpartstostop.

3.Disconnectthewirefromthesparkplug(Figure13).

4.Placeasuitabledrainpanundertherightsideof

themower.

5.Removethedipstickbyrotatingthecap

counterclockwiseandpullingitout.

6.Tipthemowerontoitsrightsidetodraintheoil

intothedrainpan.

Note:Youcanalsoremovetheoilfromthe

crankcaseusinganoilextractor.

7.Returnthemowertoitsoperatingposition.

8.Insertthedipstickintothellerneckandrotatethe

capclockwiseuntilitistight.

9.Recycletheusedoilaccordingtolocalcodes.

10.FillthecrankcasetotheFulllineonthedipstickwith

freshoil.RefertotheFillingtheCrankcasewithOil.

11.Wipeupanyspilledoil.

ServicingtheSparkPlug

ServiceInterval:Every100hours

Checkthesparkplugafterevery100operatinghours.

UseanNGKBPR5ESsparkplugorequivalent.

1.Stoptheengineandwaitforallmovingpartstostop.

2.Disconnectthewirefromthesparkplug(Figure13).

3.Cleanaroundthesparkplug.

4.Removethesparkplugfromthecylinderhead.

Important:Replaceacracked,fouled,or

dirtysparkplug.Donotcleantheelectrodes

becausegritenteringthecylindercandamage

theengine.

5.Setthegapontheplugto0.030in.(0.76mm)

(Figure30).

Figure30

1.Centerelectrodeinsulator

2.Sideelectrode

3.Airgap(nottoscale)

6.Installthesparkplugandthegasketseal.

7.Torquetheplugto17ft-lb(23N⋅m).

8.Connectthewiretothesparkplug.

FuelSystem

Maintenance

EmptyingtheFuelTankand

CleaningtheFuelFilter

ServiceInterval:Yearly

Thefuellter(screen)elementislocatedinsidethefuel

tank.Cleanthefuellterelementyearly.

1.Stoptheengineandwaitforittocooldown.

Note:Draingasolinefromacoldengineonly.

2.Disconnectthewirefromthesparkplug(Figure13).

3.Disconnectthefuellinebylooseningthetubeclamp

atthecarburetor.

4.Openthefuelvalve.

5.Drainthegasolinecompletelyfromthetankandfuel

lineintoanapprovedfuelcontainer.

6.Removethefueltankfromthemower.

7.Pourasmallamountoffuelinthefueltank,move

thefuelaroundinthetank,andpouritoutintoan

approvedfuelcontainer.

8.Installthefueltankandfuelline;refertoInstalling

theFuelTankandtheFuelLine.

BladeMaintenance

MaintainingtheCuttingBlade

Alwaysmowwithasharpblade.Asharpbladecuts

cleanlyandwithouttearingorshreddingthegrassblades.

1.Stoptheengineandwaitforallmovingpartstostop.

2.Disconnectthewirefromthesparkplug(Figure13).

3.Drainthegasolinefromthefueltank;referto

EmptyingtheFuelTankandCleaningtheFuelFilter.

4.Tipthemowerontoitssidewiththeairlterup

(Figure31).

Figure31

InspectingtheBlade

ServiceInterval:Beforeeachuseordaily

Carefullyexaminethebladeforsharpnessandwear,

especiallywheretheatandthecurvedpartsmeet

(Figure32A).Becausesandandabrasivematerialcan

wearawaythemetalthatconnectstheatandcurved

partsoftheblade,checkthebladebeforeusingthe

mower.Ifyounoticeaslotorwear(Figure32Band

Figure32C),replacetheblade;refertoRemovingthe

Blade.

Figure32

1.Sail

3.Wear

2.Flatpartoftheblade4.Slotformed

Note:Forthebestperformance,installanewblade

beforethecuttingseasonbegins.Duringtheyear,le

downanysmallnickstomaintainthecuttingedge.

Awornordamagedbladecanbreak,anda

pieceofthebladecouldbethrownintothe

operator’sorbystander’sarea,resultingin

seriouspersonalinjuryordeath.

•Inspectthebladeperiodicallyforwearor

damage.

•Replaceawornordamagedblade.

RemovingtheBlade

Grasptheendofthebladeusingaragorathickly

paddedglove.Removethebladebolt,accelerator,and

theblade(Figure31).

SharpeningtheBlade

Filethetopsideofthebladetomaintainitsoriginal

cuttingangle(Figure33A)andinnercuttingedgeradius

(Figure33B).Thebladewillremainbalancedifyou

removethesameamountofmaterialfrombothcutting

edges.

Figure33

1.Sharpenatthisangleonly.

2.Maintaintheoriginalradius

here.

BalancingtheBlade

1.Checkthebalanceofthebladebyplacingthecenter

holeofthebladeoveranailorscrewdrivershank

clampedhorizontallyinavise(Figure34).

Figure34

Note:Youcanalsocheckthebalanceusinga

commerciallymanufacturedbladebalancer.

2.Ifeitherendofthebladerotatesdownward,lethat

end(notthecuttingedgeortheendnearthecutting

edge).Thebladeisproperlybalancedwhenneither

enddrops.

InstallingtheBlade

1.Installasharp,balancedToroblade,theaccelerator,

andthebladebolt.Torquethebladeboltto60

ft-lb(82N⋅ ⋅

⋅

m).

2.Returnthemowertoitsoperatingposition.

3.Connectthewiretothesparkplug.

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Toro PT21 Trim Mower User manual

Brand: Toro

Model: PT21 Trim Mower

Category: Lawnmowers

Type: User manual

Toro PT21 Trim Mower

Powerful motor efficiently cuts through grass and weeds Durable cutting deck withstands tough conditions Adjustable cutting height lets you customize the length of your grass

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Toro PT21 Trim Mower User manual

Toro PT21 Trim Mower User manual

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