Exmark Commercial 21 4500-686 User Manual

COMMERCIAL21

ForSerialNos.
920,000&Higher

PartNo.4500-686Rev.B

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,

orotherreproductiveharm.

Important:Theengineinthisproductisnot
equippedwithasparkarrestermufer.Itisa
violationofCaliforniaPublicResourceCode
(CPRC)Section4442touseoroperatethis
engineonanyforest-covered,brush-covered,or
grass-coveredlandasdenedinCPRC4126.
Otherstatesorfederalareasmayhavesimilar
laws.

Toacquireasparkarresterforyourunit,seeyour
EngineServiceDealer.

Thissparkignitionsystemcomplieswiththe
CanadianstandardICES-002.Cesystèmed’allumage
parètincelledevèhiculeestconformeàlanorme
NMB-002duCanada.

TheenclosedEngineOwner’sManualis
suppliedforinformationregardingTheU.S.
EnvironmentalProtectionAgency(EPA)and
theCaliforniaEmissionControlRegulationof
emissionsystems,maintenanceandwarranty.

KeepthisengineOwner’sManualwithyourunit.
ShouldthisengineOwner’sManualbecome
damagedorillegible,replaceimmediately.
Replacementsmaybeorderedthroughthe
enginemanufacturer.

Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.

©2011ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310

Contactusatwww.Exmark.com.

2

PrintedintheUSA

AllRightsReserved

Introduction

CONGRATULATIONSonthepurchaseofyour
ExmarkMower.Thisproducthasbeencarefully
designedandmanufacturedtogiveyouamaximum
amountofdependabilityandyearsoftrouble-free
operation.

Thismanualcontainsoperating,maintenance,
adjustment,andsafetyinstructionsforyourExmark
mower.

BEFOREOPERATINGYOURMOWER,
CAREFULLYREADTHISMANUALINITS
ENTIRETY.

Byfollowingtheoperating,maintenance,andsafety
instructions,youwillprolongthelifeofyourmower,
maintainitsmaximumefciency ,andpromotesafe
operation.

Ifadditionalinformationisneeded,orshouldyou
requiretrainedmechanicservice,contactyour
authorizedExmarkequipmentdealerordistributor.
Exmarkpartsmanualsareavailableonlineat
http://www.exmark.com/manuals.htm

AllExmarkequipmentdealersanddistributorsare
keptinformedofthelatestmethodsofservicing
andareequippedtoprovidepromptandefcient
serviceintheeldorattheirservicestations.They
carryamplestockofservicepartsorcansecurethem
promptlyforyoufromthefactory.

AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready .

Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.

3

Contents

Introduction...........................................................3

Safety.....................................................................5

SafetyAlertSymbol.........................................5

SafeOperatingPractices..................................5

SafetyandInstructionalDecals.......................9

Specications.......................................................12

ModelNumbers............................................12

Systems.........................................................12

Dimensions...................................................12

ProductOverview................................................13

Operation.............................................................13

Controls........................................................13

Pre-Start........................................................15

OperatingInstructions..................................15

Maintenance.........................................................22

RecommendedMaintenanceSchedule(s)...........22

PeriodicMaintenance.......................................23

CheckEngineOilLevel.................................23

CheckingtheBladeBrakeClutch(Blade

BrakeClutchOnly)....................................23

ChecktheMowerBlade.................................24

CheckforLooseHardware............................25

ChecktheBladeBrakeClutchBail

Operation(BladeBrakeClutchUnits

Only).........................................................25

ServiceAirFilter(KawasakiUnits).................26

ServiceAirFilter(ECSHN21Units)...............26

ServiceAirFilter(ECXHNBBC21and

ECXHN21Units).....................................27

ChangeEngineOil........................................28

ChangeOilFilter(ECXKA21and

ECXKABBC21).......................................29

CheckConditionOfBelt(Self-Propelled

UnitsOnly)...............................................29

CheckSparkPlugs.........................................29

EmptyingtheFuelTankandCleaningthe

FuelFilter..................................................29

Adjustments.....................................................30

AdjustingtheSelf-PropelDrive

(Self-PropelledUnitsOnly)........................30

AdjustingtheBladeBrakeCable(Blade

BrakeClutchUnitsOnly)...........................31

Cleaning...........................................................32

CleanGrassBuild-UpUnderDeck................32

CleaningtheDischargeTunneland

Plug...........................................................32

CleaningUndertheBeltCover

(Self-PropelledUnitsOnly)........................32

CleaningtheBladeBrakeClutchShield

(BladeBrakeClutchUnitsOnly)................33

CleaningUndertheCoverPlate

(Non-BladeBrakeClutchUnits

Only).........................................................33

WasteDisposal..............................................34

Storage.................................................................35

PreparingtheFuelSystem..............................35

PreparingtheEngine.....................................35

GeneralStorageInformation.........................35

RemovingtheLawnMowerfrom

Storage......................................................35

Troubleshooting...................................................36

4

Safety

Safety

SafetyAlertSymbol

ThislawnmowermeetsorexceedstheConsumer
ProductSafetyCommission(CPSC)bladesafety
requirementsforwalk-behindrotarymowersand
theB71.4specicationsoftheAmericanNational
StandardsInstituteineffectatthetimeofproduction.

Exmarkdesignedandtestedthislawnmowertooffer
reasonablysafeservice;however,failuretocomply
withthefollowinginstructionsmayresultinpersonal
injury.

ThisSafetyAlertSymbol(
thismanualandonthemachinetoidentifyimportant
safetymessageswhichmustbefollowedtoavoid
accidents.

Thissymbolmeans:ATTENTION!BECOME

ALERT!YOURSAFETYISINVOLVED!

Figure2)isusedbothin

SafeOperatingPractices

Training

•ReadtheOperator’sManualandothertraining
material.Iftheoperator(s)ormechanic(s)can
notreadEnglishitistheowner’sresponsibilityto
explainthismaterialtothem.

•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperate
orservicetheequipment.Localregulationsmay
restricttheageoftheoperator.

•Onlyadultsandmatureteenagersshouldoperate
amower,andevenmatureteenagersshouldhave
adultsupervision.Besureateenager:

1.hasreadandunderstandstheOperator’s

Manualandrecognizestherisksinvolved;

2.issufcientlymaturetousecaution;and

Figure2

1.Safetyalertsymbol

Thesafetyalertsymbolappearsaboveinformation
whichalertsyoutounsafeactionsorsituations
andwillbefollowedbythewordDANGER,

WARNING,orCAUTION.

DANGER:Whitelettering/Redbackground.

Indicatesanimminentlyhazardoussituationwhich,if
notavoided,Willresultindeathorseriousinjury.

WARNING:Blacklettering/Orangebackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Couldresultindeathorseriousinjury.

CAUTION:Blacklettering/Yellowbackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Mayresultinminorormoderateinjury.

Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizes
generalinformationworthyofspecialattention.

3.isofsufcientsizeandweighttooperate

thecontrolscomfortablyandtomanagethe
mowerwithouttakingrisks.

•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.

Preparation

•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyand
safelyperformthejob.Onlyuseaccessoriesand
attachmentsapprovedbyExmark.

•Wearappropriateclothingincludingsafetyglasses,
substantialfootwear,longtrousers,andhearing
protection.DoNotoperatewhenbarefootor
whenwearingopensandals.Longhair,loose
clothingorjewelrymaygettangledinmoving
parts.

CAUTION

Thismachineproducessoundlevelsinexcess
of85dBAattheoperator’searandcancause
hearinglossthroughextendedperiodsof
exposure.

Wearhearingprotectionwhenoperatingthis
machine.

5

Safety

•Inspecttheareawheretheequipmentistobe
usedandremoveallrocks,toys,sticks,wires,
bones,andotherforeignobjectswhichcanbe
thrownbythemachineandmaycausepersonal
injurytotheoperatororbystanders.

DANGER

Incertainconditionsgasolineisextremely
ammableandvaporsareexplosive.

Areorexplosionfromgasolinecanburn
you,others,andcausepropertydamage.

•Fillthefueltankoutdoorsonlevelground,
inanopenarea,whentheengineiscold.
Wipeupanygasolinethatspills.

•Neverrellthefueltankordrainthe
machineindoorsorinsideanenclosed
trailer.

•DoNotllthefueltankcompletely
full.Addgasolinetothefueltankuntil
thelevelis1/4to1/2inch(6–13mm)
belowthebottomofthellerneck.This
emptyspaceinthetankallowsgasoline
toexpand.

•Neversmokewhenhandlinggasoline,and
stayawayfromanopenameorwhere
gasolinefumesmaybeignitedbyspark.

DANGER

Incertainconditionsduringfueling,static
electricitycanbereleasedcausingaspark
whichcanignitegasolinevapors.Areor
explosionfromgasolinecanburnyouand
othersandcausepropertydamage.

•Alwaysplacegasolinecontainersonthe
groundawayfromyourvehiclebefore
lling.

•DoNotllgasolinecontainersinsidea
vehicleoronatruckortrailerbedbecause
interiorcarpetsorplastictruckbedliners
mayinsulatethecontainerandslowthe
lossofanystaticcharge.

•Whenpractical,removegas-powered
equipmentfromthetruckortrailerand
refueltheequipmentwithitswheelson
theground.

•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfroma
portablecontainer,ratherthanfroma
gasolinedispensernozzle.

•Ifagasolinedispensernozzlemustbe
used,keepthenozzleincontactwiththe
rimofthefueltankorcontaineropening
atalltimesuntilfuelingiscomplete.

•Storegasolineinanapprovedcontainer
andkeepitoutofthereachofchildren.

•Addfuelbeforestartingtheengine.Never
removethecapofthefueltankoradd
fuelwhenengineisrunningorwhenthe
engineishot.

•Iffuelisspilled,DoNotattempttostart
theengine.Moveawayfromtheareaof
thespillandavoidcreatinganysourceof
ignitionuntilfuelvaporshavedissipated.

•DoNotoperatewithoutentireexhaust
systeminplaceandinproperworking
condition.

WARNING

Gasolineisharmfulorfatalifswallowed.
Long-termexposuretovaporshascaused
cancerinlaboratoryanimals.Failuretouse
cautionmaycauseseriousinjuryorillness.

•Avoidprolongedbreathingofvapors.

•Keepfaceawayfromnozzleandgas
tank/containeropening.

•Keepawayfromeyesandskin.

•Neversiphonbymouth.

•Checkthattheoperator’spresencecontrols,
safetyswitches,andshieldsareattachedand
functioningproperly.DoNotoperateunlessthey
arefunctioningproperly.

6

Safety

Operation

WARNING

Operatingengineparts,especiallythemufer,
becomeextremelyhot.Severeburnscanoccur
oncontactanddebris,suchasleaves,grass,
brush,etc.cancatchre.

•Allowengineparts,especiallythemufer,to
coolbeforetouching.

•Removeaccumulateddebrisfrommufer
andenginearea.

•Installandmaintaininworkingordera
sparkarresterbeforeusingequipment
onforest-covered,grass-covered,or
brush-coveredunimprovedland.

WARNING

Engineexhaustcontainscarbonmonoxide,
whichisanodorlessdeadlypoisonthatcankill
you.

DoNotrunengineindoorsorinasmallconned
areawheredangerouscarbonmonoxidefumes
cancollect.

•Operateonlyindaylightorgoodarticiallight,
keepingawayfromholesandhiddenhazards.

•Starttheenginecarefullyaccordingtoinstructions
withfeetwellawayfromtheblade.

•Neverraisedeckwithbladerunning.

•Neveroperatethemowerwithdamagedguards,
shields,orcovers.Alwayshavesafetyshields,
guards,switchesandotherdevicesinplaceandin
properworkingcondition.

•Nevermowwiththedischargedoorraised,
removedoralteredunlessthereisagrass
collectionsystemormulchkitinplaceand
workingproperly.

•Grasscatchercomponentsaresubjecttowear,
damageanddeterioration,whichcouldexpose
movingpartsorallowobjectstobethrown.
Frequentlycheckthecomponentsandreplace
themwiththemanufacturer’srecommendedparts
whennecessary.

•DoNotchangetheenginegovernorsettingor
overspeedtheengine.

•Neverattempttomakewheelheightadjustments
whiletheengineisrunning.

•Parkthemachineonlevelground.Stopengine,
waitforallmovingpartstostop,andremovethe
sparkplugwire(s).

–Beforechecking,cleaningorworkingonthe

mower.

–Afterstrikingaforeignobjectorabnormal

vibrationoccurs(inspectthemowerfor
damageandmakerepairsbeforerestarting
andoperatingthemower).

–Beforeclearingblockages.

–Wheneveryouleavethemower.

•Stopengine,waitforallmovingpartstostop:

–Beforerefueling.

–Beforedumpingthegrasscatcher.

–Beforemakingheightadjustments.

WARNING

Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.

•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesin
placeandworkingproperly.

•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.

•Keepclearofthedischargeopeningatalltimes.

•Thismowerwasdesignedforoneoperator
only.Keepallothersawayfrommowerduring
operation.

•DONOToperatethemowerwhenpeople,
especiallychildren,orpetsareinthearea.

•Bealert,slowdownandusecautionwhenmaking
turns.Lookbehindandtothesidebefore
changingdirections.

•Stoptheblades,slowdown,andusecautionwhen
crossingsurfacesotherthangrassandwhen
transportingthemowertoandfromtheareato
bemowed.

•Beawareofthemowerdischargepathanddirect
dischargeawayfromothers.

•DoNotoperatethemowerundertheinuence
ofalcoholordrugs.

7

Safety

•Useextremecarewhenloadingorunloadingthe
machineintoatrailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.

SlopeOperation

UseExtremecautionwhenmowingand/orturning
onslopesaslossoftractionand/ortip-overcould
occur.Theoperatorisresponsibleforsafeoperation
onslopes.

DANGER

Operatingonwetgrassorsteepslopescan
causeslidingandlossofcontrol.Lossofcontrol
and/orlossofoperator’sfootingcouldresultina
fallwithanarmorleggettingunderthemower
orenginedeckwhichmayresultinserious
injury,deathordrowning.

•Mowacrossslopes,neverupanddown.

•DoNotmowslopeswhengrassiswet.

•DoNotmowneardrop-offsornearwater.

•DoNotmowexcessivelysteepslopes.

•Reducespeedanduseextremecautionon
slopes.

•Avoidsuddenturnsorrapidspeedchanges.

•Whenfeasible,avoidoperatingtheequipmentin
wetgrass.

•Progressivelygreatercareisneededastheslope
increases.

•Removeormarkobstaclessuchasrocks,tree
limbs,etc.fromthemowingarea.Tallgrasscan
hideobstacles.

•Watchforditches,holes,rocks,dipsandrisesthat
changetheoperatingangle,asroughterraincould
overturnthemachine.

•Useextremecarewithgrasscatchersor
attachments.Thesecanchangethestabilityofthe
machineandcauselossofcontrol.

•Keepengineandengineareafreefrom
accumulationofgrass,leaves,excessivegrease
oroil,andotherdebriswhichcanaccumulate
intheseareas.Thesematerialscanbecome
combustibleandmayresultinare.

•LetenginecoolbeforestoringandDoNotstore
nearameoranyenclosedareawhereopenpilot
lightsorheatappliancesarepresent.

•Shutofffuelwhilestoringortransporting.Do
Notstorefuelnearamesordrainindoors.

•Parkmachineonlevelground.Neverallow
untrainedpersonneltoservicemachine.

•Removesparkplugwirebeforemakingany
repairs.

•Usecarewhencheckingblades.Wraptheblade(s)
orweargloves,andusecautionwhenservicing
them.Onlyreplacedamagedblades.Never
straightenorweldthem.

•Keephandsandfeetawayfrommovingparts.
Ifpossible,DoNotmakeadjustmentswiththe
enginerunning.

•Keepallguards,shieldsandallsafetydevicesin
placeandinsafeworkingcondition.

•Checkallboltsfrequentlytomaintainproper
tightness.

•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.

WARNING

Removingstandardoriginalequipmentparts,
orusingnon-Exmarkreplacementpartsand
accessoriesmayalterthewarranty,traction,and
safetyofthemachine.Failuretouseoriginal
Exmarkpartscouldcauseseriousinjuryor
death.

Replaceallpartsincluding,butnotlimitedto,
tires,belts,andbladeswithoriginalExmark
parts.

MaintenanceandStorage

•Stoptheengineandremovethesparkplug
wire(s).Waitforallmovementtostopbefore
adjusting,cleaningorrepairing.

8

SafetyandInstructionalDecals

Safety

•Keepallsafetysignslegible.Removeallgrease,
dirtanddebrisfromsafetysignsandinstructional
labels.

•Replaceallworn,damaged,ormissingsafety
signs.

•Whenreplacementcomponentsareinstalled,be
surethatcurrentsafetysignsareafxedtothe
replacedcomponents.

•Ifanattachmentoraccessoryhasbeeninstalled,
makesurecurrentsafetysignsarevisible.

68-7410

•Newsafetysignsmaybeobtainedfrom
yourauthorizedExmarkequipmentdealeror
distributororfromExmarkMfg.Co.Inc.

•Safetysignsmaybeafxedbypeelingoffthe
backingtoexposetheadhesivesurface.Apply
onlytoaclean,drysurface.Smoothtoremove
anyairbubbles.

•Familiarizeyourselfwiththefollowingsafetysigns
andinstructionlabels.Theyarecriticaltothesafe
operationofyourExmarkcommercialmower.

103-6327

ECXHN21

1.Choke–on

2.Throttle–fast

3.Continuousvariablesetting

94-8072

4.Throttle–slow

109-8191

ECXKABBC21,ECXKA21

9

Safety

109-9317

116-2685

117–2718

116-1922

116-1900

10

Safety

116-2737

11

Specications

Specications

ModelNumbers

SerialNos:920,000andHigher

ECSKAP21;ECSKA21;ECSHN21;ECXKA21;ECXHN21;ECXKABBC21;ECXHNBBC21

Systems

Engine

•EngineSpecications:SeeyourEngineOwner’s
Manual

•EngineOilType:Exmark4–CyclePremium
EngineOil

•RPM:

–ECSHN21:3000RPM(NoLoad)

–AllunitsexceptECSHN21:3300RPM(No

Load)

FuelSystem

•Capacity:

ECSHN21,ECSKA21andECSKAP21Units:

2.0qt(1.9L)

Allotherunits:4.0qt(3.8L)

•TypeofFuel:Regularunleadedgasoline,87
octaneorhigher;containingnomorethan10%
methanolorethanol.

CuttingDeck

•CuttingWidth:21inches(53.3cm)

•BladeBrake:Whenthebladeengagementcontrol
ismovedtothedisengagedpositionafriction
brakepadstopstherotationoftheblades.

•BladeSize:(1ea.):20.88inches(53.0cm)

•Deck:21inchesrigid.Deckdesignallowsfor
bagging,mulchingorreardischarge.

•CuttingHeightAdjustment:

Adjustsfrom1inch(2.5cm)to41/2inches(11.4
cm)in1/2inch(1.3cm)increments.

•MulchingKit:StandardonECXKA21;
ECXHN21;ECXKABBC21,and
ECXHNBBC21Units

•RearDischargeKit:Optional

Dimensions

CurbWeight:

•FuelFilter:Non-replaceable,intank

•FuelShut-OffValve:

ECSKA21andECSKAP21UnitsDoNothavea
shut-offvalve.

Allotherunitshaveashut-offvalve.

SafetyInterlockSystem

ForunitswithoutaBladeBrakeClutch:Operator
musthavethebladecontrolbaildepressedtostart
theengine.Releasingthebladecontrolbailwillcause
theenginetostop.

Transmission(SelfPropelledUnits)

Variable

SpeedRange:0–4.2mph(6.8km/hr)

98-122lb(44-55kg)Weightsmayvaryslightly
dependingonengineoption.

OverallWidth:

22inches(55.9cm)

OverallLengthandHeightat
21/2inchCuttingHeight:

HandleSettingLengthHeight

High61.00inches

(154.9cm)

Medium

Low

12

63.00inches
(160.0cm)

64.50inches
(163.8cm)

39.00inches
(99.1cm)

37.50inches
(95.3cm)

35.00inches
(88.9cm)