Exmark BR270KC36 User manual

W ALK-BEHIND
ROTARYBROOM
ForSerialNos.
313,000,000&Higher
PartNo.4501-437Rev.A

WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Theengineinthisproductisnot
equippedwithasparkarrestermufer.Itisa
violationofCaliforniaPublicResourceCode
(CPRC)Section4442touseoroperatethis
engineonanyforest-covered,brush-covered,
orgrass-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.
©2012ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE683102
Contactusatwww.Exmark.com.
PrintedintheUSA
AllRightsReserved

Introduction
CONGRATULATIONSonthepurchaseofyour
ExmarkWalk-BehindRotaryBroom.Thisproduct
hasbeencarefullydesignedandmanufacturedtogive
youamaximumamountofdependabilityandyears
oftrouble-freeoperation.
Thismanualcontainsoperating,maintenance,
adjustment,andsafetyinstructionsforyourExmark
Walk-BehindRotaryBroom.
BEFOREOPERATINGYOUR
WALK-BEHINDROTARYBROOM,
CAREFULLYREADTHISMANUALINITS
ENTIRETY.
Byfollowingtheoperating,maintenance,and
safetyinstructions,youwillprolongthelifeofyour
walk-behindrotarybroom,maintainitsmaximum
efciency,andpromotesafeoperation.
Ifadditionalinformationisneeded,orshould
yourequiretrainedmechanicservice,contactyour
authorizedExmarkequipmentdealerordistributor.
Exmarkpartsmanualsareavailableonlineat
http://www.exmark.com
AllExmarkequipmentdealersanddistributorsare
keptinformedofthelatestmethodsofservicing
andareequippedtoprovidepromptandefcient
serviceintheeldorattheirservicestations.They
carryamplestockofservicepartsorcansecurethem
promptlyforyoufromthefactory.
AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.
Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
3

Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals......................10
Specications........................................................13
ModelNumbers.............................................13
Systems..........................................................13
Dimensions....................................................13
TorqueRequirements.....................................14
ProductOverview.................................................15
Operation..............................................................15
Controls.........................................................15
Pre-Start.........................................................16
OperatingInstructions...................................16
Transporting..................................................21
Maintenance..........................................................22
RecommendedMaintenanceSchedule(s)............22
PeriodicMaintenance........................................22
CheckEngineOilLevel..................................22
CheckTractionCable.....................................22
CheckforLooseHardware.............................23
ChangeEngineOil.........................................23
CheckTirePressures......................................23
CheckConditionOfBelts...............................23
LubricateGreaseFittings................................23
CheckSparkPlug...........................................24
CheckFuelTankFilter....................................24
ThreadLockingAdhesives..............................24
LubricateHexShaft........................................24
CheckBroomCable.......................................24
CheckBroomShaftShearPin.........................24
Adjustments......................................................26
TractionCableAdjustment.............................26
BroomDriveAdjustment...............................26
WheelClutchCableAdjustment.....................26
Troubleshooting....................................................27
4

Safety
Safety
SafetyAlertSymbol
ThisSafetyAlertSymbol(Figure2)isusedbothin
thismanualandonthemachinetoidentifyimportant
safetymessageswhichmustbefollowedtoavoid
accidents.
Thissymbolmeans:ATTENTION!BECOME
ALERT!YOURSAFETYISINVOLVED!
Figure2
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.
SafeOperatingPractices
Training
•Read,understandandfollowallinstructionson
themachineandinthemanual(s)beforeoperating
thismachine.Bethoroughlyfamiliarwiththe
controlsandtheproperuseofthemachine.
Knowhowtostopthemachineanddisengagethe
controlsquickly.Iftheoperator(s)ormechanic(s)
cannotreadEnglishitistheowner’sresponsibility
toexplainthismaterialtothem.
•Neverallowchildrentooperateorservicethe
machine.Neverallowadultstooperateorservice
themachinewithoutproperinstruction.The
ownerisresponsiblefortrainingtheusers.
•Keeptheareaofoperationclearofallpersons,
particularlysmallchildren.
•Exercisecautiontoavoidslippingorfalling,
especiallywhenoperatingthemachineinreverse.
•Onlyadultsandmatureteenagersshouldoperate
themachine,andevenmatureteenagersshould
haveadultsupervision.Besureateenager:
1.hasreadandunderstandstheOperator's
Manualandrecognizestherisksinvolved;
2.issufcientlymaturetousecaution;and
3.isofsufcientsizeandweighttooperate
thecontrolscomfortablyandtomanagethe
machinewithouttakingrisks.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.
Preparation
•Thoroughlyinspecttheareawherethemachine
istobeusedandremoveallropes,wires,boards,
andotherforeignobjectswhichcanbethrownor
becomeentangledinthemachineandmaycause
personalinjurytotheoperatororbystanders.
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyand
safelyperformthejob.Onlyuseaccessoriesand
attachmentsapprovedbyExmark.
•Priortouse,evaluatesurfacestobecleanedto
ensureproperfootingortractiononslipperyor
wetsurfaces.
•Wearappropriateclothingincludingsafetyglasses,
dustprotectionmask,substantialfootwear,long
trousers,andhearingprotection.Longhair,loose
clothingorjewelrymaygettangledinmoving
parts.Wearfootwearthatwillimprovefootingon
slipperysurfaces.
5

Safety
CAUTION
Thismachineproducessoundlevelsinexcess
of85dBAattheoperator’searandcancause
hearinglossthroughextendedperiodsof
exposure.
Wearhearingprotectionwhenoperatingthis
machine.
DANGER
Incertainconditionsgasolineisextremely
ammableandvaporsareexplosive.
Areorexplosionfromgasolinecanburn
you,others,andcausepropertydamage.
•Fillthefueltankoutdoorsonlevelground,
inanopenarea,whentheengineiscold.
Wipeupanygasolinethatspills.
•Neverrellthefueltankordrainthe
machineindoorsorinsideanenclosed
trailer.
•DoNotllthefueltankcompletelyfull.
Addgasolinetothefueltankuntilthelevel
is5/8inch(16mm)fromtopoftank.This
emptyspaceinthetankallowsgasoline
toexpand.
•Neversmokewhenhandlinggasoline,and
stayawayfromanopenameorwhere
gasolinefumesmaybeignitedbyspark.
•Storegasolineinanapprovedcontainer
andkeepitoutofthereachofchildren.
•Addfuelbeforestartingtheengine.Never
removethecapofthefueltankoradd
fuelwhenengineisrunningorwhenthe
engineishot.
•Iffuelisspilled,DoNotattempttostart
theengine.Moveawayfromtheareaof
thespillandavoidcreatinganysourceof
ignitionuntilfuelvaporshavedissipated.
•DoNotoperatewithoutentireexhaust
systeminplaceandinproperworking
condition.
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.
WARNING
Gasolineisharmfulorfatalifswallowed.
Long-termexposuretovaporshascaused
cancerinlaboratoryanimals.Failuretouse
cautionmaycauseseriousinjuryorillness.
•Avoidprolongedbreathingofvapors.
•Keepfaceawayfromnozzleandgas
tank/containeropening.
•Keepawayfromeyesandskin.
•Neversiphonbymouth.
•Checkthattheoperatorpresencecontrolsand
shieldsareattachedandfunctioningproperly.Do
Notoperateunlesstheyarefunctioningproperly.
•Neverattempttomakeanyadjustmentswhile
theengineisrunning(exceptwhenspecically
recommendedbymanufacturer).
6

Safety
Operation
WARNING
Operatingengineparts,especiallythemufer,
becomeextremelyhot.Severeburnscanoccur
oncontactanddebris,suchasleaves,grass,
brush,etc.cancatchre.
•Allowengineparts,especiallythemufer,to
coolbeforetouching.
•Removeaccumulateddebrisfrommuferand
enginearea.
WARNING
Engineexhaustcontainscarbonmonoxide,
whichisanodorlessdeadlypoisonthatcankill
you.
DoNotrunengineindoorsorinasmallconned
areawheredangerouscarbonmonoxidefumes
cancollect.
•Neveroperatethemachinewithoutgoodvisibility
orlight.Stayalertforhiddenhazardsortrafc.
Alwaysbesureofyourfooting,andkeeparm
holdonthehandles.Walk;neverrun.
•DoNotputhandsorfeetnearorunderthe
broom.
•Exerciseextremecautionwhenoperatingon
roadsorcrossinggraveldrives,walks,orroads.
Stayalertforhiddenhazardsortrafc.
•DoNotoperateonanyrooforotherelevated
surface.
•Afterstrikingaforeignobject,stopengine,wait
forallmovingpartstostop,andremovethespark
plugwire(s)andthoroughlyinspectthemachine
foranydamage,andrepairthedamagebefore
restartingandoperatingthemachine.
•Ifthemachineshouldstarttovibrateabnormally,
stoptheengineandcheckimmediatelyforthe
cause.Vibrationisgenerallyawarningoftrouble.
•Neveroperatethemachinewithdamagedguards,
shields,orcovers.Alwayshavesafetyshields,
guards,andotherdevicesinplaceandinproper
workingcondition.
•Keepchildren,pets,andallothersawayfrom
machineduringoperation.Neverdirectdischarge
atbystandersoroperatetherotarybroomnear
glassenclosures,automobiles,windowwells,
drop-offs,andthelikewithoutproperadjustment
ofthesweepingdischargeangle.
•Stopthemachineandbroomdrivebefore
adjustingthebroomangle.
•DoNotoverloadthemachinecapacityby
attemptingtoclearsnowordebrisattoofasta
rate.
•Neveroperatethemachineathightransport
speedsonslipperysurfaces.Lookbehindanduse
carewhenoperatinginreverse.
•Disengagepowertothebroomwhenmachineis
transportedornotinuse.
•DoNotchangetheenginegovernorsettingor
overspeedtheengine.
•Parkthemachineonlevelground.Stopengine,
waitforallmovingpartstostop,andremovethe
sparkplugwire(s).
–Beforechecking,cleaningorworkingonthe
machine.
–Afterstrikingaforeignobjectorabnormal
vibrationoccurs(inspectthemachinefor
damageandmakerepairsbeforerestarting
andoperatingthemachine).
–Beforeclearingblockages.
–Wheneveryouleavethemachineunattended.
•Parkthemachineonlevelground.Stopengine,
waitforallmovingpartstostop:
–Beforerefuelingoradjustingthebroomheight.
WARNING
Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.
•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesinplace
andworkingproperly.
•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.
•Thismachinewasdesignedforoneoperatoronly.
DoNotcarrypassengers.
•Bealert,slowdownandusecautionwhen
makingturns.Lookbehindandtothesidebefore
changingdirections.
7

Safety
•DoNotoperatethemachineundertheinuence
ofalcoholordrugs.
•Useextremecarewhenloadingorunloadingthe
machineintoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
•Broombristleswillmeltorburn.Keepawayfrom
extremeheatorame.
ClearingaCloggedBroom
WARNING
Therotatingbroomcouldcauseseriousinjury.
Alwaysusecautionwhencleaningthebroom.
Toclearthebroom:
•Parkthemachineonlevelground.Stopengine,
waitforallmovingpartstostop,andremovethe
sparkplugwire(s).
•Sharpobjectscanbecomeentangledinbristles.
Useglovesandcautionwhencleaningoutthe
broomofforeignobjects;notbarehands.
SlopeOperation
UseExtremecautionwhenoperatingand/orturning
onslopesaslossoftractionand/ortip-overcould
occur.Theoperatorisresponsibleforsafeoperation
onslopes.
DANGER
Operatingonwetsurfacesorsteepslopescan
causeslidingandlossofcontrol.Lossofcontrol
and/orlossofoperator'sfootingcouldresultina
fallwithanarmorleggettingunderthebroomor
enginedeckwhichmayresultinseriousinjury,
deathordrowning.
•DoNotoperateneardrop-offsornearwater.
•Reducespeedanduseextremecautionon
slopes.
•Avoidsuddenturnsorrapidspeedchanges.
•Alwayskeepthetractiondriveengaged
especiallywhentravelingdownhill.
•DoNotoperateonslopesgreaterthan10
degrees.
•Seeinsidethebackcovertodeterminethe
approximateslopeangleoftheworkarea.
•Whenfeasible,avoidoperatingtheequipmentin
wetgrass.
•Progressivelygreatercareisneededastheslope
increases.
•Removeormarkobstaclessuchasrocks,tree
limbs,etc.fromtheworkarea.
•Avoidsuddenstartswhenoperatingthebroom
uphillbecausethemachinemaytipbackwards.
•Watchforditches,holes,rocks,dipsandrisesthat
changetheoperatingangle,asroughterraincould
overturnthemachine.
•DoNotsqueezebothwheelclutchlevers
simultaneouslyandcoastdownhills.
•Tirechainsarehighlyrecommendedwhen
operatingatorbelowfreezingtemperatures.Only
usechainssuppliedbyExmark.
•Useextremecarewithattachments.Thesecan
changethestabilityofthemachineandcauseloss
ofcontrol.
MaintenanceandStorage
•Parkmachineonlevelground.Neverallow
untrainedpersonneltoservicemachine.
•Stoptheengineandremovethesparkplug
wire(s).Waitforallmovementtostopbefore
adjusting,cleaningorrepairing.
•Keepengineandengineareafreefrom
accumulationofgrass,leaves,excessivegrease
oroil,andotherdebriswhichcanaccumulate
intheseareas.Thesematerialscanbecome
combustibleandmayresultinare.
•Letenginecoolbeforestoringanddonotstore
nearameoranyenclosedareawhereopenpilot
lightsorheatappliancesarepresent.
•Shutofffuelwhilestoringortransporting.Do
Notstorefuelnearamesordrainindoors.
•AlwaysrefertotheOperator’sManualfor
importantdetailsifthemachineistobestored
foranextendedperiod.
•Keephandsandfeetawayfrommovingparts.
Ifpossible,DoNotmakeadjustmentswiththe
enginerunning.
•Keepallguards,shieldsandallsafetydevicesin
placeandinsafeworkingcondition.
8

Safety
•Checkallboltsfrequentlytomaintainproper
tightness.
•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.
WARNING
Removingstandardoriginalequipmentparts,
orusingnon-Exmarkreplacementpartsand
accessoriesmayalterthewarranty,traction,and
safetyofthemachine.Failuretouseoriginal
Exmarkpartscouldcauseseriousinjuryordeath.
Replaceallpartsincluding,butnotlimitedto,
tires,belts,andbroomsegmentswithoriginal
Exmarkparts.
9

Safety
SafetyandInstructionalDecals
•Keepallsafetysignslegible.Removeallgrease,
dirtanddebrisfromsafetysignsandinstructional
labels.
•Replaceallworn,damaged,ormissingsafety
signs.
•Whenreplacementcomponentsareinstalled,be
surethatcurrentsafetysignsareafxedtothe
replacedcomponents.
•Ifanattachmentoraccessoryhasbeeninstalled,
makesurecurrentsafetysignsarevisible.
•Newsafetysignsmaybeobtainedfrom
yourauthorizedExmarkequipmentdealeror
distributororfromExmarkMfg.Co.Inc.
•Safetysignsmaybeafxedbypeelingoffthe
backingtoexposetheadhesivesurface.Apply
onlytoaclean,drysurface.Smoothtoremove
anyairbubbles.
•Familiarizeyourselfwiththefollowingsafetysigns
andinstructionlabels.Theyarecriticaltothesafe
operationofyourExmarkcommercialequipment.
106-4525
Reorderpartno.112-6633
1.Fast3.Slow
2.Forwardspeeds4.Reversespeeds
112-9028
1.Warning—stayawayfrommovingparts;keepallguards
inplace.
115-2903
1.Grease
116-8140
1.Thrownobject
hazard-DoNotoperate
whenpeopleandpets
areinthearea.
2.Warning-Entanglement
hazard-stayclearof
rotatingbroom.
10

Safety
116-8505
1.Explosion/Firehazard–ReadtheOperator’sManual.
Stopenginebeforellingfueltank.Leave5/8inch
(16mm)attopoftankforfuelexpansion-DoNotoverll
tank.
117–2718
116-7668
1.Leftturncontrol-squeezelevertoturnleft.4.Broomdrive-squeezelevertoengage;releaseleverto
disengage.
2.Tractiondrive-squeezelevertoengage;releaseleverto
disengage.
5.Rightturncontrol-squeezelevertoturnright.
3.Broomanglelever-pushdowntochangeangle;release
levertolockangle.
11

Safety
116-7370
1.Warning-ReadtheOperator’sManual.DoNotoperatethis
machineunlessyouaretrained.Stayawayfrommoving
parts;keepallguardsinplace.
4.Warning-Stopengineandremovesparkplugbefore
adjusting,servicing,orcleaningmachineandattachments.
Beforeleavingtheoperator’sposition,disengagebroom,
tractiondrive,andstopengine.Lookbehindandtothe
sidebeforechangingdirections.DoNotcarrypassengers.
2.Thrownobjecthazard-DoNotoperatewhenpeopleand
petsareinthearea;pickupobjectsthatcouldbethrown
bybroom.
5.Warning-Entanglementhazard-stayclearofrotating
broom.Broombristleswillmeltorburn-keepawayfrom
extremeheatorame.DoNotoperateonanyroofor
otherelevatedsurface.
3.Warning-Wearhearingprotection.6.Warning-DoNotoperateonslopesgreaterthan10
degrees.Useextremecautionwhenoperatingonslopes;
operateacrossslopesnotupanddown.
12

Specications
Specications
ModelNumbers
SerialNos:313,000,000andHigher
BR270KC36
Systems
Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•EngineOilType:Exmark4–CyclePremium
EngineOil
•RPM:FullSpeed:3600±100RPM(NoLoad)
FuelSystem
•Capacity:4.3qt.(4.1L)
•FuelRecommendations:
–Forbestresults,useonlyclean,fresh,unleaded
gasolinewithanoctaneratingof87orhigher
((R+M)/2ratingmethod).
–Oxygenatedfuelwithupto10%ethanolor
15%MTBEbyvolumeisacceptable.
–DoNotuseethanolblendsofgasoline(such
asE15orE85)withmorethan10%ethanol
byvolume.Performanceproblemsand/or
enginedamagemayresultwhichmaynotbe
coveredunderwarranty.
–DoNotusegasolinecontainingmethanol.
–DoNotstorefueleitherinthefueltankor
fuelcontainersoverthewinterunlessafuel
stabilizerisused.
–DoNotaddoiltogasoline.
•FuelFilter:ReplaceableIn-line
•FuelShut-OffValve:1/4turnincrements
OperatorControls
•MotionControl:Placingthespeedselectorlever
andengagingthetractiondrivelevercontrolthe
speedandmovementofthemachine.
•SteeringControl:Separatewheelclutchlevers
underthehandlescontrolthedirectionoftravel
oftherespectivedrivewheel.Squeezingboth
leversatthesametimeallowsthebroomto
temporarilybeplacedinneutral.
Transmission
•Frontdiscwithfree-wheelsteering
•Speeds:
–0-3.0mph(4.8km/hr)forward.
–0-1.7mph(2.7km/hr)reverse.
WheelDriveSystem
Drivewheelsaredriventhroughclutchedroller
chains.
TiresandWheels
DriveFrontCaster
Pneumatic
(Air-Filled)
Polyolen
Quantity22
TreadX-TracSmooth
Size15x5.00-65x13/8inches
(12.7x3.5mm)
PlyRating2
Pressure17-20psi
(117-138kPa)
Broom
BroomWidth:36inches(91.4cm)
Dimensions
OverallWidth:
46.5inches(118.1cm)
OverallLength:
73inches(185.4cm)
13

Specications
OverallHeight:
41.5inches(105.4cm)
TreadWidth:(OutsidetoOutsideof
Tires,Widthwise)
25.75inches(65.4cm)
CurbWeight:
323lb(146.5kg)
TorqueRequirements
BoltLocationTorque
EngineMountingNuts135-165in-lb(15-19N-m)
WheelHubNuts100-130ft-lb
(11-15N-m)
14

Operation
ProductOverview
Figure3
1.Wheelclutchlever6.Tractiondrivelever
2.Handle7.Fuelcap
3.Broomanglelever8.Broom
4.Broomdrivelever9.Broomheightadjustment
pin
5.Speedselectorlever
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Controls
ChokeControl
Thechokecontrolisthetopleverlocatedontherear
LHsideoftheengineabovethefuelshut-offvalve.
Thechokeisusedtoaidinstartingacoldengine.
Movetheleverlefttothe“ON”positionforacold
start.DoNotrunawarmenginewiththechokein
the“ON”position.
ThrottleControl
ThethrottlecontrolislocatedontherearRHside
oftheengine.
Thethrottleisusedtocontrolenginespeed.Moving
thethrottlecontroltotheleftwillincreaseengine
speedandmovingitrightwilldecreaseenginespeed.
EngineOn/OffSwitch
LocatedontheRHsideoftheengine.
Rotatetheswitchclockwisetothe“ON”position
beforestartingtheengine.Rotatetheswitch
counterclockwisetothe“OFF”positiontokillthe
engine.
FuelShut-OffValve
Thefuelshut-offvalveisthelowerleverlocatedon
therearLHsideoftheenginebelowthechoke.The
fuelshut-offvalveshutsofftheowoffuelwhen
themachinewillnotbeusedforafewdays,when
parkinginsideabuilding,andduringtransporttoand
fromthejob.
Movethelevertothelefttoshutofffuel.Movethe
levertotherighttoturnonfuel.
WheelClutchLevers
LocatedbelowtheRHandLHhandles.
Thewheelclutchleversallowthedrivetomomentarily
disengagetooneorbothwheelswiththetraction
driveleverstillengaged.Thisallowseasierturning
andmaneuveringthemachine(seeFigure4).
15

Operation
Squeezingbothwheelclutchleverssimultaneously
disengagesthedrivetobothwheels(free-wheeling).
Thisenablesyoutomanuallymovethemachine
backwardwithoutstoppingtoshiftitintoareverse
gear.Italsoallowsyoutomaneuverandtransportthe
machinemoreeasilywhentheengineisnotrunning.
Figure4
1.Wheelclutchlever4.Tractiondrivelever
2.Handle5.Speedselectorlever
3.Broomanglelever6.Broomdrivelever
BroomDriveLever
LocatedabovetheRHhandle(seeFigure4).
Toengagethebroom,squeezethelevertothehandle.
Todisengagethebroom,releasetheRHlever.
TractionDriveLever
LocatedabovetheLHhandle(seeFigure4).
Thetractiondrivelevercontrolstheforwardand
reversemotionofthemachine.Toengagethe
tractiondrive,squeezethelevertothehandle.
Note:Holdingdownthetractiondriveleveragainst
thehandleengagesthetractiondrivetobothwheels.
SpeedSelectorLever
Locatedonthemainconsolepanel(seeFigure4).
Thespeedselectorhassixforwardandtworeverse
settings.Tochangespeeds,releasethetractiondrive
leverandshiftthespeedselectorlevertothedesired
setting.Theleverlocksinanotchateachspeed
setting.
BroomAngleLever
LocatedontheRHhandle(seeFigure4).
Thebroomangleleverallowsthebroomtorotateand
lock19degreestotherightorleftorstraightahead.
Pre-Start
Refertotheenginemanualtoproperlypositionthe
aircleanercoverforsummerandwinteroperation.
Fillfueltankonlevelground.
FuelRecommendations:
•Forbestresults,useonlyclean,fresh,unleaded
gasolinewithanoctaneratingof87orhigher
((R+M)/2ratingmethod).
•Oxygenatedfuelwithupto10%ethanolor15%
MTBEbyvolumeisacceptable.
•DoNotuseethanolblendsofgasoline(suchas
E15,E20,orE85)withmorethan10%ethanol
byvolume.Performanceproblemsand/orengine
damagemayresultwhichmaynotbecovered
underwarranty.
•DoNotusegasolinecontainingmethanol.
•DoNotstorefueleitherinthefueltankorfuel
containersoverthewinterunlessafuelstabilizer
isused.
•DoNotaddoiltogasoline.
•DoNotoverllfueltank.Fillthefueltankuntil
thelevelis5/8inch(16mm)fromtopoftank.
Theemptyspaceinthetankallowsgasolineto
expand.Overllingmayresultinfuelleakageor
damagetotheengineoremissionsystem.
Makesureyouunderstandthecontrols,their
locations,theirfunctions,andtheirsafety
requirements.
OperatingInstructions
OpentheFuelShut-OffValve
Movethefuelshut-offvalve,thelowerleverlocated
belowthechoke,totherighttoturnonfuel.
StartingtheEngine
1.OntheRHsideoftheengine,rotatetheengine
on/offswitchclockwisetothe“ON”position.
2.OntherearLHsideoftheengine,movethe
chokelever,thetopleverlocatedabovethefuel
16

Operation
shut-offvalve,tothelefttothe“ON”position.
Onawarmengine,leavethechokeinthe“OFF”
position.
3.Placethethrottlemidwaybetweenthe“SLOW”
and“FAST”positionslocatedonrearRHside
oftheengine.
4.Slowlypulltheenginerecoilhandleuntilyoufeel
resistanceandthenstop.Allowtherecoilhandle
toreturnandthensharplypullitstraightout.
Allowtheropetoreturnslowly.
5.Allowtheenginetowarmupforseveralminutes,
movethechoketowardthe“OFF”position.
StoppingtheEngine
1.Bringtheunittoafullstop.
2.Placethethrottlemidwaybetweenthe“SLOW”
and“FAST”positions.
3.Allowtheenginetorunforaminimumof15
seconds,thenturntheengineon/offswitchto
the“OFF”positiontostoptheengine.
4.Waitforallmovingpartstostopbeforeleaving
theoperatingposition.
5.Closethefuelshut-offvalve,locatedbelow
thechoke,bymovingittotheleftwhenthe
machinewillnotbeinuseforafewdays,when
transporting,orwhentheunitisparkedinside
abuilding.
DrivingtheMachine
CAUTION
Ifthetractiondriveisnotproperlyadjusted,the
machinemaymoveinthedirectionopposite
ofwhatyouintended,causinginjuryand/or
propertydamage.
Carefullycheckthetractiondriveandadjustit
properly,ifnecessary.
Important:Ifthemachinemoveswhenthe
tractionleverisinthereleasedposition,check
thetractioncable(refertoCheckTraction
CableandTractionCableAdjustmentsections
inMaintenance)orcontactyourauthorized
EXMARKSERVICEDEALER.
DrivingForward:
1.Placethespeedselectorlevertothedesired
forwardposition,makingsureitlocksinthe
notch(seeFigure5).
Figure5
Note:Ifthegroundspeedistoofast,debrisor
snowwillpileupinfrontofthebroomcausing
thebroomtobulldozeinsteadofsweep.Thiscan
damagethebristlesandthedriveline.
2.SlowlysqueezetheLHtractiondrivelevertothe
handle(seeFigure6).
Note:Holdingdownthetractiondrivelever
againstthehandleengagesthetractiondriveto
bothwheels.
Figure6
3.Tostopthetractiondrive,releasethetraction
drivelever.
4.Tomoveforward,engagethetractiondrive,
slowlysqueezethelefthand(traction)levertothe
handle(seeFigure7).Momentarilysqueezingand
releasingtheleftorrightwheelclutchleverallows
forsteeringadjustmentstokeepthemachine
goinginastraightline,especiallyindeepsnow.
Toturnright,liftupontherightwheelclutch
leverandsqueezeittowardthehandle.This
disengagesthedrivetotherightwheelwhilethe
leftwheelcontinuesdriving,andthemachine
turnstotheright.
17

Operation
Figure7
Note:Similarly,squeezingtheleftwheelclutch
leverturnsthemachinetotheleft.
Whenyoucompletetheturn,releasethewheel
clutchlever,andthedrivere-engagesbothwheels
(seeFigure8).
Figure8
5.Tostopthetractiondrive,releasethetraction
drivelever.
DrivingRearward:
1.Placethespeedselectorlevertothedesired
rearwardposition,makingsureitlocksinthe
notch.
2.Tomoverearward,engagethetractiondrive,
slowlysqueezethelefthand(traction)leverto
thehandle.Momentarilysqueezingandreleasing
theleftorrightwheelclutchleverallowsfor
steeringadjustmentstokeepthemachinegoingin
astraightline.
Toturnright,squeezetherightwheelclutchlever
towardthehandle.Thisdisengagesthedriveto
therightwheelwhiletheleftwheelcontinues
driving,andthemachineturnstotheright.
Note:Similarly,squeezingtheleftwheelclutch
leverturnsthemachinetotheleft.
Squeezingbothwheelclutchleverssimultaneously
disengagesthedrivetobothwheels.Thisenables
machinetobemovedrearwardwithoutstopping
toshiftitintoareversegear.Italsoallowsyouto
maneuverandtransportthemachinemoreeasily
whentheengineisnotrunning.
OperatingtheBroom
DANGER
Whenthemachineisinoperation,contactwith
rotatingormovingpartswillseverelyinjure
handsandfeet.
•Beforeadjusting,cleaning,inspecting,
troubleshooting,orrepairingthemachine,
stoptheengineandwaitforallmoving
partstostop.Disconnectthewirefromthe
sparkplugandkeepitawayfromtheplugto
preventsomeonefromaccidentallystarting
theengine.
•Staybehindthehandlesandawayfromthe
broomwhileoperatingthemachine.
•Keepface,hands,feet,andanyotherpartof
yourbodyorclothingawayfromconcealed,
moving,orrotatingparts.
WARNING
Contactwitharotatingbroomcanresultin
seriouspersonalinjuryordeathtotheoperator
orbystanders.
•Toremoveanobstructionfromthebroom;
refertoClearingaCloggedBroom.
•DoNotoperatethemachineifthebroom
driveleverisnotfunctioningproperly.
ContactyourauthorizedEXMARKSERVICE
DEALER.
WARNING
Therotatingbroomcanthrowstonesandother
foreignobjects,causingseriouspersonalinjury
totheoperatorortobystanders.
•Keeptheworkingareaclearandfreeofall
objectsthatthebroomcouldpickupand
throw.
•Keepallchildrenandpetsawayfromthearea
ofoperation.
18

Operation
CAUTION
Whenthebroomisengaged,itmaydrivethe
unitinthereversedirection.Ifthebroomheight
isadjustedtoolow,themachinemaymovemore
forcefullyinthereversedirection,causinginjury
and/orpropertydamage.
Carefullycheckthebroomheightandadjustit
properlyorcontactyourauthorizedEXMARK
SERVICEDEALER.
1.Settheenginethrottletothe“FAST”position.
2.Placethespeedselectorleverintothedesired
positionandslowlysqueezetheLHtractiondrive
lever.
Important:Makesurethetractiondrive
isengagedbeforeoperatingthebroom;
otherwisethebroommaydrivetheunitinthe
reversedirection.
3.Toengagethebroom,slowlysqueezetheright
hand(broom)levertothehandle(Figure9).
Figure9
•Iftheengineslowsdownunderaloadorthe
wheelsslip,shiftthemachineintoalowergear.
•Ifthefrontofthemachineridesup,shift
themachineintoalowergear.Ifthefront
continuestorideup,liftuponthehandles.
4.Tostopthebroom,releasetherighthandlever.
CheckingtheSweepingPath
Abroomsweepswiththetipsofitsbristles.When
toomuchdownpressureisapplied,thebroomisno
longerusingitstips;thebroomisnowworkingwith
thesidesofthebristles(likeamop).Thislimitsthe
ickingactionofthebristles,sweepingeffectiveness,
andcandecreasebroomlife.
1.Drivetoaatdustyareaandstopthemachine.
2.Withtheenginerunning,withthethrottleset
midwaybetween“SLOW”and“FAST”.Engage
thebroomandallowthebroomtosweepfor
approximately30seconds.
3.Disengagethebroomandstoptheengine.
4.Waitforallmovingpartstostopbeforeleaving
theoperatingposition.
5.Turntheengineon/offswitchtothe“OFF”
position.
6.Makesuretheareasweptequalsthelengthofthe
broomand2-4inches(51-102mm)maximum
width.
Figure10
1.2–4inches(51-102mm)
maximumwidth
3.Sweptarea
2.Lengthofbroom
7.Adjustthebroomheightifnecessary.
AdjustingtheBroomHeight
1.Drivetoaatdustyareaandstopthemachine.
2.Disengagethebroomandstoptheengine.
3.Waitforallmovingpartstostopbeforeleaving
theoperatingposition.
4.Turntheengineon/offswitchtothe“OFF”
position.
5.Toadjustthebroomheight,removeandretainthe
pinfromtheadjustersleeveandcasterwheeltube.
19

Operation
Figure11
1.Casterwheeltube3.Pin
2.Positionstoachieve1/8
inch(3mm)increments
4.Adjustersleeve
6.Raiseorlowerthecasterwheeltubetoachievethe
sweepareaasstatedinCheckingtheSweeping
Path.Selectanyholecombinationthatisin
alignmenttoplaceandlatchtheretainingpin;
matchthesamepositionontheotherside.
7.Fornetuningadjustments,slidetheadjuster
sleeveonepinholelocationupordownonthe
casterwheeltubetoadjustthebroomheightin
1/8inch(3mm)increments(referenceFigure11).
Repeatfortheothercasterwheel.
•Toraisethebroomin1/8inch(3mm)
increments,slightlyraisetheadjustersleeve
andinsertthepinintothenextpinholebelow
thecurrentholeused.
•Tolowerthebroomin1/8inch(3mm)
increments,slightlylowertheadjustersleeve
andinsertthepinintothenextpinholeabove
thecurrentholeused.
8.Oncethedesiredheightisreached,securethepin
oneachcasterwheel.Recheckthesweepingarea.
AdjustingBroomSideAngle
1.Disengagethebroomandstoptheengine.
2.Waitforallmovingpartstostop.
3.PushtheleverdownusingtheRHthumb(see
Figure4).
4.Squeezetheleftwheelclutchlevertothehandle
andpushthebroomhousingtothedesiredangle;
thebroomcanrotate19degreestotherightor
leftorstraightahead.
5.Oncethebroomispositioned,releasethebroom
anglelever.Releasetheleftwheelclutchleverand
makesurethebroomislockedintoplace.
ClearingaCloggedBroom
WARNING
Therotatingbroomcouldcauseseriousinjury.
Alwaysusecautionwhencleaningthebroom.
•Ifthebroombecomesclogged,stayinthe
operatingpositionandreleasethelefthand
tractiondrivelever.Whileengagingthebroom,
pushdownonthehandlestoraisethefrontof
themachineafewinches(centimeters)offthe
pavement.Thenliftthehandlesquicklytobump
thefrontofthemachineonthepavement.Repeat
ifnecessary.
•Ifyoucannotunclogthebroombybumpingthe
frontofthemachine:
–Parkthemachineonlevelground.Stop
engine,waitforallmovingpartstostop,and
removethesparkplugwire(s).
–Sharpobjectscanbecomeentangledin
bristles.Useglovesandcautionwhencleaning
outthebroomofforeignobjects;notbare
hands.
PreventingFreeze-up
•Insnowyandcoldconditions,somecontrolsand
movingpartsmayfreeze.DoNotuseexcessive
forcewhentryingtooperatefrozencontrols.
Ifyouhavedifcultyoperatinganycontrolor
part,starttheengineandletitrunforafew
minutes.
•Afterusingthemachine,lettheenginerun
forafewminutestopreventmovingparts
fromfreezing.Engagethebroomtoclearany
remainingsnowfrominsidethehousing.Stop
theengineandwaitforallmovingpartstostop,
andremovethesparkplugwire(s).Removeall
ice,snow ,orotherdebrisfromthemachine.
•Reconnectsparkplugwire(s).Withtheengine
switchinthe“OFF”position,pulltherecoil
20