Exmark 4500-645 User manual

Brand: Exmark

Model: 4500-645

Category: Lawnmowers

Type: User manual

LAZERZ®LPG

MODELS

ForSerialNos.

850,000&Higher

LazerZ(LPUnits)

PartNo.4500-645Rev.A

Important:Theengineinthisproductisnot

equippedwithasparkarrestermufer.Itisa

violationofCaliforniaPublicResourceCode

(CPRC)Section4442touseoroperatethis

engineonanyforest-covered,brush-covered,or

grass-coveredlandasdenedinCPRC4126.

Otherstatesorfederalareasmayhavesimilar

laws.

Toacquireasparkarresterforyourunit,seeyour

EngineServiceDealer.

ThissparkignitionsystemcomplieswithCanadian

ICES-002Cesystèmed’allumageparètincellede

vèhiculeestconformeàlanormeNMB-002du

Canada.

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.

IndustrialParkBox808

Beatrice,NE68310

Contactusatwww.Exmark.com.

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.

Wheneveryouneedservice,genuineExmarkparts,

oradditionalinformation,contactanAuthorized

ServiceDealerorExmarkCustomerServiceandhave

themodelandserialnumbersofyourproductready.

Figure1identiesthelocationofthemodelandserial

numbersontheproduct.Writethenumbersinthe

spaceprovided.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Contents

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

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

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

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

SafetyandInstructionalDecals.....................13

Specications.......................................................18

ModelNumbers............................................18

Systems.........................................................18

Dimensions...................................................20

TorqueRequirements....................................22

ProductOverview................................................22

Operation.............................................................23

Controls........................................................23

Pre-Start........................................................26

OperatingInstructions..................................26

Transporting.................................................30

Maintenance.........................................................33

RecommendedMaintenanceSchedule(s)...........33

PeriodicMaintenance.......................................34

CheckEngineOilLevel.................................34

CheckMowerBlades.....................................36

CheckSafetyInterlockSystem.......................37

CheckRolloverProtectionsSystems(Roll

Bar)Knobs................................................37

CheckSeatBelt..............................................38

CheckforLooseHardware............................38

ServiceAirCleaner........................................38

ChangeEngineOil........................................38

CheckHydraulicOilLevel.............................38

CheckTirePressures.....................................39

CheckConditionOfBelts..............................39

LubricateGreaseFittings...............................39

LubricateBrakeHandlePivot........................40

LubricateDeckLiftPivot...............................40

CheckSparkPlugs.........................................40

CheckLPGTank...........................................40

CheckLPGFuelDeliverySystem..................40

ChangeHydraulicSystemFilterand

Fluid.........................................................41

WheelHub-SlottedNutTorque

Specication..............................................42

ThreadLockingAdhesives.............................42

Copper-BasedAnti-seize..............................42

DielectricGrease...........................................42

LPGRegulator..............................................42

Adjustments.....................................................43

DeckLeveling...............................................43

PumpDriveBeltTension...............................44

DeckBeltTension........................................45

AdjustingtheParkingBrake...........................45

ElectricClutchAdjustment............................46

MotionControlLinkageAdjustment.............48

MotionControlDamperAdjustment.............49

MotionControlNeutralLockPivot

Adjustment...............................................49

MotionControlHandleAdjustment..............49

MotionControlFullForwardTracking

Adjustment...............................................50

CasterPivotBearingsPre-Load

Adjustment...............................................50

Cleaning...........................................................51

CleanEngineandExhaustSystem

Area..........................................................51

RemoveEngineShroudsandCleanCooling

Fins...........................................................51

CleanHydroFanCoolingFins.......................51

CleanDebrisFromMachine..........................51

CleanGrassBuild-UpUnderDeck................51

WasteDisposal..............................................52

Troubleshooting...................................................53

Schematics...........................................................56

Safety

SafetyAlertSymbol

ThisSafetyAlertSymbol(Figure2)isusedbothin

thismanualandonthemachinetoidentifyimportant

safetymessageswhichmustbefollowedtoavoid

accidents.

Thissymbolmeans:ATTENTION!BECOME

ALERT!YOURSAFETYISINVOLVED!

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.

SafeOperatingPractices

Training

WhatisLPG?LPGstandsforliqueedpetroleum

gasandismorecommonlycalledpropane.LPGis

aliquidfuelthatisstoredinatankunderpressure.

Beforetheliquidleavesthetank,itisconvertedinto

avapor.SinceLPGisstoredasbothliquidandgas,

itmayleakfromjointsorconnectionsthatarenot

sealedproperly.LPGbecomesammablewhenitis

mixedwithair.

TheLPGinformationinthisOperator’smanualis

providedonlyasaguide.ConsulttheNFPA58:

LiqueedPetroleumGasCode,2008Editionfor

additionalsafetyinformation.ThisNationalFire

ProtectionAssociation(NFPA)codepertainstothe

handling,storing,transporting,andusageofLPG.

•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

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.

Safety

CAUTION

Thismachineproducessoundlevelsin

excessof85dBAattheoperator’searand

cancausehearinglossthroughextended

periodsofexposure.

Wearhearingprotectionwhenoperatingthis

machine.

•Inspecttheareawheretheequipmentistobe

usedandremoveallrocks,toys,sticks,wires,

bones,andotherforeignobjectswhichcanbe

thrownbythemachineandmaycausepersonal

injurytotheoperatororbystanders.

DANGER

LPGfuelisextremelyammableandvapors

areexplosive.

AreorexplosionfromLPGfuelcanburn

you,others,andcausepropertydamage.

•Neversmokearoundtank(s)andstay

awayfromanopenameorwherefumes

maybeignitedbyaspark.

•Extinguishallsourcesofsparkorame

whenapproachingLPGtanksormowers.

Thehazardincreasesforenclosedtrailers

orstoragelocationswherevaporleakage

mayoccurandcollect.

•LPGisheavierthanairandmay

accumulateinlowlyingareas,suchas

ditches,drains,orpits.

•LPGtank(s)shouldbelledbytrained

andqualiedpersonnelONLY.

•Nevertamperwithorrepairthetank(s);

contacttrainedandqualiedpersonnel.

•DoNotchangethetank(s)whenthe

engineisrunning.

•Beforedisconnectingthehose(s),purge

allLPGvaporsfromthesystem,by

closingthefuelvalve(s)onALLtanksand

allowingtheenginetorununtilitstops.

•Storethetank(s)awayfromheat,sparks,

oropenames.

•DoNotoperatewithoutentireexhaust

systeminplaceandinproperworking

condition.

Safety

DANGER

LPGfuelisextremelyammableandvapors

areexplosive.

•Incaseofretakethefollowingsteps:

1.Ifyoucansafelydoso,stoptheowof

gasasquicklyaspossible.Neverput

outameunlessgascanbeshutoff.

2.NotifytheFireDepartmentandclear

immediateareaofallpeople.

3.Whengasowisstopped,putout

there.Usuallywhenowofgasis

cutoff,rewillautomaticallystop.

4.Ifgasowcannotbeimmediately

stopped,directwaterontankstokeep

themcool,butDoNotputoutre.

•Storagelocationsandtrailersshould

beequippedwithatleastoneapproved

portablereextinguisherhavinga

minimumcapacityof18lb(8.2kg)dry

chemicalwithaB:Crating.DoNot

useCarbonTetrachlorideextinguishers

(Pyreneetc.).

DANGER

LPGvaporsandliquidescapingfromthe

tankmaycauseseriousinjuryordeath.

Vaporsorliquidmaycausesuffocation,

freezingoftissue,orfrostbite.

•Storeandservicethemowerinawell

ventilatedarea.

•AnapprovedLPGdetectorinstalled

intrailersandstorageareasis

recommended.

•LPGisheavierthanairandmay

accumulateinlowlyingareas,suchas

ditches,drains,orpits.

•Avoidbreathingofvapors.

•Keepawayfromventvalve.

•Keepawayfromeyesandskin.

•Contacttrainedandqualiedpersonnelif

tankshowssignsoffrostedareas,makes

ahissingsound,oremitsafoulodor.

•Obtainimmediatemedicalattentionif

contactoccurswithvaporsorliquid.

•Checkthattheoperator’spresencecontrols,

safetyswitches,andshieldsareattachedand

functioningproperly.DoNotoperateunlessthey

arefunctioningproperly.

Inspection

ItisveryimportanttochecktheLPGtankand

componentsforwearorleaks.

Important:Nevercheckforleaksusinganopen

ame.

Important:Neverusebarehandswhen

checkingthettingorvalve.EscapingLPG

vaporandliquidfreezesskinoncontact.

Important:Onlyhandtightentankconnection

tting.Overtighteningbytheuseoftoolsmay

causedamage.Ifhandtighteningdoesnotstop

aleak,contacttrainedandqualiedpersonnel

immediately.

•Beforeeachuse:

–Visuallyinspectthetank,hose,andttingand

bealerttoafoulodorcomingfromthetank.

Safety

–TheLPGtankshouldbefreeofdentsor

damage.Ifthetankshowsignsofdentsor

damage,replaceitimmediately.

–Checkthevalveandttingopeningsfordirt

anddebris.

–Slowlyopenthevalveallthewayandlisten

foracontinuoushissfromtheregulator,it

mayindicatealeak.

–LPGhasarotteneggorskunksmelladded

toittohelpdetectagasleak.Ifyoudetect

agasleak:

◊TurnofftheLPGvalveifyoucansafely

doso.

◊Leavethearea.

◊Contacttrainedandqualiedpersonnel

immediately.

–DoNotuseifthehosesareabraded,damaged,

kinked,orattened.

–Makesurethetankissecurelymountedto

themower.Ifthetankisloose,thehoseor

ttingsmayleak.

•Witheachtankchange:

–Checkallgauges,ttings,andvalvesfor

damage.

–Lookfordeterioration,damagedormissing

o-ringsontankconnectiontting.

–InspecttheLPGtankandthefuelconnection

jointforleaks.Usethefollowingprocedure

belowtodetectleaks:

◊Applyanapprovedleakdetectorsolution,

obtainedfromatrainedandqualied

LPGdistributor,orathicknon-ammonia

soapywatersolution(50%non-ammonia

soapand50%water).(Aleakdetector

solutionthatcontainsammoniawillcause

thettingstocorrodeandleak.)

◊Usingasmallbrushorspraybottle,apply

thesolutionaroundallthettingsofthe

LPGtankandthefuelconnectionjoint.

◊Slowlyopenthegasvalveahalf-turn.

◊Ifbubblesaredetected,thejointortting

hasaleak.Shutoffthevalve,tighten

theleakingconnection,andslowlyopen

thevalveagain.Ifbubblesstillappear,

DoNotusethetank.Ifitissafetodo

so,removethetankfromyourmower;

otherwise,contacttrainedandqualied

personnelimmediately.

◊Ifnobubblesaredetected,theLPGtank

maybeused.

•Weekly:

–ChecktheentireLPGfueldeliverysystemfor

damageordeterioration.

–ChecktheentireLPGfueldeliverysystemfor

leaksatalljointsusingthesamemethodas

describedintheprevioussection.

–Followalltheinspectionchecksasspecied

inthetwopreviousinspectionsections.

•TankRequalication:

–USDOT(UnitedStatesDepartmentof

Transportation)regulationsrequireLPG

tankstobeinspected,requalied,andmarked

within12yearsofthemanufacturedateand

onaregularbasisthereafter.Typicallythis

occurswhenthetankisrelled;contacta

trainedandqualiedLPGtankproviderfor

moredetails.

–DoNotlltheLPGtankifitisbeyondthe

requalicationperiod.

–DoNotlldamagedorrustedLPGtanks.

Operation

WARNING

Operatingengineparts,especiallythe

mufer,becomeextremelyhot.Severeburns

canoccuroncontactanddebris,suchas

leaves,grass,brush,etc.cancatchre.

•Allowengineparts,especiallythemufer,

tocoolbeforetouching.

•Removeaccumulateddebrisfrommufer

andenginearea.

•Installandmaintaininworkingordera

sparkarresterbeforeusingequipment

onforest-covered,grass-covered,or

brush-coveredunimprovedland.

Safety

WARNING

Engineexhaustcontainscarbonmonoxide,

whichisanodorlessdeadlypoisonthatcan

killyou.

DoNotrunengineindoorsorinasmall

connedareawheredangerouscarbon

monoxidefumescancollect.

•Operateonlyindaylightorgoodarticiallight,

keepingawayfromholesandhiddenhazards.

•Besurealldrivesareinneutralandparkingbrake

isengagedbeforestartingengine.Useseatbelts

withtherollbarintheraisedandlockedposition.

•Neveroperatethemowerwithdamagedguards,

shields,orcovers.Alwayshavesafetyshields,

guards,switchesandotherdevicesinplaceandin

properworkingcondition.

•Nevermowwiththedischargedeectorraised,

removedoralteredunlessthereisagrass

collectionsystemormulchkitinplaceand

workingproperly.

•DoNotchangetheenginegovernorsettingor

overspeedtheengine.

•Stopengine,waitforallmovingpartstostop,

removekeyandengageparkingbrake:

–Beforechecking,cleaningorworkingonthe

mower.

–Afterstrikingaforeignobjectorabnormal

vibrationoccurs(inspectthemowerfor

damageandmakerepairsbeforerestarting

andoperatingthemower).

–Beforeclearingblockages.

–Wheneveryouleavethemower.

•Stopengine,waitforallmovingpartstostop,and

engageparkingbrake:

–Beforechangingtanks.

–Beforedumpingthegrasscatcher.

WARNING

Hands,feet,hair,clothing,oraccessoriescan

becomeentangledinrotatingparts.Contact

withtherotatingpartscancausetraumatic

amputationorseverelacerations.

•DoNotoperatethemachinewithout

guards,shields,andsafetydevicesin

placeandworkingproperly.

•Keephands,feet,hair,jewelry,orclothing

awayfromrotatingparts.

•NEVERcarrypassengers.DONOToperate

themowerwhenpeople,especiallychildren,or

petsareinthearea.

•Bealert,slowdownandusecautionwhenmaking

turns.Lookbehindandtothesidebefore

changingdirections.

•Stoptheblades,slowdown,andusecautionwhen

crossingsurfacesotherthangrassandwhen

transportingthemowertoandfromtheareato

bemowed.

•Beawareofthemowerdischargepathanddirect

dischargeawayfromothers.

•DoNotoperatethemowerundertheinuence

ofalcoholordrugs.

•Useextremecarewhenloadingorunloadingthe

machineintoatrailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,

trees,orotherobjectsthatmayobscurevision.

SlopeOperation

UseExtremecautionwhenmowingand/orturning

onslopesaslossoftractionand/ortip-overcould

occur.Theoperatorisresponsibleforsafeoperation

onslopes.

Safety

DANGER

Operatingonwetgrassorsteepslopescan

causeslidingandlossofcontrol.Wheels

droppingoveredges,ditches,steepbanks,or

watercancauserollovers,whichmayresult

inseriousinjury,deathordrowning.

•DoNotmowslopeswhengrassiswet.

•DoNotmowneardrop-offsornearwater.

•DoNotmowslopesgreaterthan15

degrees.

•Reducespeedanduseextremecaution

onslopes.

•Avoidsuddenturnsorrapidspeed

changes.

•Keeptherollbarintheraisedandlocked

positionanduseseatbelt.

•Seeinsidethebackcovertodeterminethe

approximateslopeangleoftheareatobemowed.

•Useawalkbehindmowerand/orahandtrimmer

neardrop-offs,ditches,steepbanksorwater.

(Figure3).

Figure3

1.SafeZone-Usethemowerhereonslopeslessthan15

degrees

2.DangerZone-Useawalkbehindmowerand/orhand

trimmeronslopesgreaterthan15degrees,near

drop-offsandwater.

3.Water

•Removeormarkobstaclessuchasrocks,tree

limbs,etc.fromthemowingarea.Tallgrasscan

hideobstacles.

•Watchforditches,holes,rocks,dipsandrisesthat

changetheoperatingangle,asroughterraincould

overturnthemachine.

•Avoidsuddenstartswhenmowinguphillbecause

themowermaytipbackwards.

•Beawarethatoperatingonwetgrass,acrosssteep

slopesordownhillmaycausethemowertolose

traction.Lossoftractiontothedrivewheelsmay

resultinslidingandlossofbrakingandsteering.

•Alwaysavoidsuddenstartingorstoppingona

slope.Iftireslosetraction,disengagetheblades

andproceedslowlyofftheslope.

•Followthemanufacturer’srecommendationsfor

wheelweightsorcounterweightstoimprove

stability.

•Useextremecarewithgrasscatchersor

attachments.Thesecanchangethestabilityofthe

machineandcauselossofcontrol.

UsingtheRolloverProtectionSystem

(ROPS)

ARolloverProtectionSystem(rollbar)isinstalled

ontheunit.

WARNING

Thereisnorolloverprotectionwhentheroll

barisdown.Wheelsdroppingoveredges,

ditches,steepbanks,orwatercancause

rollovers,whichmayresultinseriousinjury,

deathordrowning.

•Keeptherollbarintheraisedandlocked

positionanduseseatbelt.

•Lowertherollbaronlywhenabsolutely

necessary.

•DoNotwearseatbeltwhentherollbar

isdown.

•Driveslowlyandcarefully.

•Raisetherollbarassoonasclearance

permits.

•Checkcarefullyforoverheadclearances(i.e.

branches,doorways,andelectricalwires)before

Safety

drivingunderanyobjectsandDoNotcontact

them.

•Intheeventofarollover,taketheunittoan

AuthorizedServiceDealertohavetheROPS

inspected.

MaintenanceandStorage

•Disengagedrives,lowerimplement,setparking

brake,stopengineandremovekeyordisconnect

sparkplugwire.Waitforallmovementtostop

beforeadjusting,cleaningorrepairing.

•Keepengineandengineareafreefrom

accumulationofgrass,leaves,excessivegrease

oroil,andotherdebriswhichcanaccumulate

intheseareas.Thesematerialscanbecome

combustibleandmayresultinare.

•LetenginecoolbeforestoringandDoNotstore

nearameoranyenclosedareawhereopenpilot

lightsorheatappliancesarepresent.

•Storemowerinawellventilatedoutdoorshelter,

building,ortrailer.

•Closefuelvalvewhenmowerisnotinuse,

includingwhilestoringortransporting.

•Theemptytank(s)shouldbetreatedasifitwas

full.

•Storethetank(s)outsideofbuildingsinanopen

wellventilatedarea,awayfromsparkandames.

•DoNotstorethetank(s)ormachinewith

tank(s)inanareawherethetemperaturecanrise

above120°F(49°C).Ifthetemperatureexceeds

approximately160°F(71°C),thetankwillrelease

highlyammablepropanevapor.SeePreparation

intheSafetySection.

•Storethetank(s)inuprightpositionorwith

pressurereliefvalvetowardsthetop.

•DoNotdrag,drop,orabusethetank(s).

•Storageoftheemptytank(s)shouldfollowlocal

andstateregulations.

•Parkmachineonlevelground.Neverallow

untrainedpersonneltoservicemachine.

•Usejackstandstosupportcomponentswhen

required.

•Carefullyreleasepressurefromcomponentswith

storedenergy.

•Disconnectbatteryorremovesparkplugwire

beforemakinganyrepairs.Disconnectthe

negativeterminalrstandthepositivelast.

Reconnectpositiverstandnegativelast.

•Usecarewhencheckingblades.Wraptheblade(s)

orweargloves,andusecautionwhenservicing

them.Onlyreplacedamagedblades.Never

straightenorweldthem.

•Keephandsandfeetawayfrommovingparts.

Ifpossible,DoNotmakeadjustmentswiththe

enginerunning.

•Chargebatteriesinanopenwellventilatedarea,

awayfromsparkandames.Unplugcharger

beforeconnectingordisconnectingfrombattery.

Wearprotectiveclothinganduseinsulatedtools.

DANGER

Chargingorjumpstartingthebatterymay

produceexplosivegases.Batterygasescan

explodecausingseriousinjury.

•Keepsparks,ames,orcigarettesaway

frombattery.

•Ventilatewhenchargingorusingbattery

inanenclosedspace.

•Makesureventingpathofbatteryis

alwaysopenoncebatteryislledwith

acid.

•Alwaysshieldeyesandfacefrombattery.

DANGER

Batteryelectrolytecontainssulfuricacid,

whichispoisonousandcancausesevere

burns.Swallowingelectrolytecanbefatalor

ifittouchesskincancausesevereburns.

•Wearsafetyglassestoshieldeyes,and

rubberglovestoprotectskinandclothing

whenhandlingelectrolyte.

•DoNotswallowelectrolyte.

•Intheeventofanaccident,ushwith

waterandcalladoctorimmediately.

Safety

CAUTION

Iftheignitionisinthe“ON”positionthere

ispotentialforsparksandengagement

ofcomponents.Sparkscouldcausean

explosionormovingpartscouldaccidentally

engagecausingpersonalinjury.

Besureignitionswitchisinthe“OFF”

positionbeforechargingthebattery.

•Keepallguards,shieldsandallsafetydevicesin

placeandinsafeworkingcondition.

•Checkallboltsfrequentlytomaintainproper

tightness.

•Frequentlycheckforwornordeteriorating

componentsthatcouldcreateahazard.

WARNING

Removingstandardoriginalequipment

parts,orusingnon-Exmarkreplacement

partsandaccessoriesmayalterthewarranty,

traction,andsafetyofthemachine.Failure

touseoriginalExmarkpartscouldcause

seriousinjuryordeath.

Replaceallpartsincluding,butnotlimitedto

tires,belts,andbladeswithoriginalExmark

parts.

WARNING

Hydraulicuidescapingunderpressure

canpenetrateskinandcauseinjury.Fluid

accidentallyinjectedintotheskinmustbe

surgicallyremovedwithinafewhoursbya

doctorfamiliarwiththisformofinjuryor

gangrenemayresult.

•Ifequipped,makesureallhydraulicuid

hosesandlinesareingoodcondition

andallhydraulicconnectionsandttings

aretightbeforeapplyingpressureto

hydraulicsystem.

•Keepbodyandhandsawayfrompinhole

leaksornozzlesthatejecthighpressure

hydraulicuid.

•Usecardboardorpaper,notyourhands,

tondhydraulicleaks.

•Safelyrelieveallpressureinthehydraulic

systembyplacingthemotioncontrol

leversinneutralandshuttingoffthe

enginebeforeperforminganyworkon

thehydraulicsystem.

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

operationofyourExmarkcommercialmower.

1-303508

1-403005

1-633922

98-5954

103-2076

Safety

107-2102

107-2112

109-3148

109-7232

1.Fast3.Neutral

2.Slow

4.Reverse

109-7330

109-7929

Safety

109-9361

DeckDriveBeltRouting

109-9875

116-0157

1.SeeOperator’smanual

116-0205

116-0211

Safety

116-0752

1.Latch2.Unlatch

116-1714

116-2643

116-3261

1.Throttle-fast

2.Throttle-slow

117-2718

HourMessageDisplay

1.HourMeter4.Neutral

2.PTO5.Operator’spresence

switch

3.ParkingBrake6.Battery

PTOSwitchSymbols

1.PTO–disengage2.PTO–engage

Safety

109-7069

109-9906

Specications

ModelNumbers

SerialNos:850,000andHigher

LZAS29KA604LP;LZAS29KA724LP;LZZ29KA606LP

Systems

Engine

•EngineSpecications:SeeyourEngineOwner’s

Manual

•RPM:FullSpeed:3750±50RPM(PTOnot

engaged)Idle:1500±100RPM

TankTypeandRelling

Important:TheLPGtankusedonthismower

isaspecialtankwithinternalbafesdesigned

forthisapplication.

•HorizontalTankSpecications:

–TankMaterial:Aluminum

–Capacity:43.5lb

–DisconnectCoupling:LHACMEThreaded

–FuelWithdrawal:Vapor

–FuelShut-OffValve:Rotateclockwiseto

close.

•TypeofFuel:HD5gradepropane

•Newtanksmustbeproperlylledbytrainedand

qualiedpersonnel.

•OnlyusetanksrecommendedbyExmark.Failure

todosowillresultinimproperoperationofthe

fuelsystem.

CAUTION

Undernocircumstancesshouldpropane

tankslledbeyond80%capacitybeusedin

service.

Theuseofoverlledtanksmayresultinthe

releaseofhighlyconcentratedandextremely

ammableliquidpropane.Refertothe

Safetysection.

Note:Useofa“forklift”typeliquidwithdrawaltank

willresultinicingorfreezingoftheLPGregulator

andpreventtheenginefromoperating.Thismay

alsoresultinpermanentfuelsystemdamageandthe

releaseofhighlyammablepropaneliquidorvapor.

ElectricalSystem

•ChargingSystem:FlywheelAlternator

•ChargingCapacity:15amps

•BatteryType:BCIGroupU1

•RecommendedMinimumBatteryCCA:260CCA

•BatteryVoltage:12Volt

•LowVoltageLight—RHcontrolpanel

•Polarity:NegativeGround

•Fuses:

Allunits:

–25ampmainfuse

–25ampchargingsystemfuse

–10ampPTOfuse

–15ampaccessoryfuse

SafetyInterlockSystem

•LCDindicatorsappearforthePTO,parkbrake,

drivelevers,andoperatorpresenceinthemessage

displayontheRHcontrolpanel.

•PTOmustbedisengaged,brakeengaged,and

motioncontrolleversout(neutrallock)tostart

engine.(Itisnotnecessaryfortheoperatortobe

intheseattostarttheengine.)

•OperatormustbeinseatwhenPTOisengaged,

brakeisdisengaged,ormotioncontrolleversare

movedinorenginewillstop.

•Enginewillstopifeithertheleft,theright,or

bothleversaremovedfromneutrallockposition

whilebrakeisengaged.

OperatorControls

•SteeringandMotionControl:

Specications

Note:Motioncontrolleversareadjustableto

twoheights.

–Separatelevers,oneachsideoftheconsole,

controlspeedanddirectionoftravelofthe

respectivedrivewheels.

–Steeringiscontrolledbyvaryingtheposition

oftheleversrelativetoeachother.

–Movingmotioncontrolleversoutward(in

slots)locksthedrivesysteminneutral.

•PTOEngagementSwitch:Engageselectricclutch

(todrivebelt)whichengagesmowerblades.

•ParkingBrakeLever:Engagesparkingbrake.

•ParkingBrakeReleaseButton:Releasesparking

brake.

•DeckHeightAdjustmentLever:Setscutting

heighttodesiredposition.

•DeckLiftPedal:Footpedalthatliftsdeck.

•TransportLock:

–Latchingposition:Automaticallylatchesat

thetransportposition.

–Unlatchingposition:Deckdoesnotlatchat

thetransportposition.

Seat

•Type:

–LZZ-LPUnits:Standardseatwithhighback,

extrawidefoampaddedseatcushionwith

internalsuspension,thickbolstering,two-tone

cover,armrests,integralsafetyswitch,and

seatvibrationisolationsystem.

–LZAS-LPUnits:Standardseatwithhigh

back,extrawidefoampaddedseatcushion

withinternalsuspension,thickbolstering,

armrests,integralsafetyswitch.

Optionalseataccessoriesforunitswithstandard

seats:

–Customridesuspensionsystemtoenhance

StandardSeat.Addsapproximately3inches

(7.6cm)toseatheight.

–Deluxesuspensionseatwithhighback,low

prolefoam-in-placecushion(dampened,

adjustablespringsuspension),armrests,and

integralsafetyswitch.Seatheightremainsthe

same.

–SeatIsolationSystemforreducedvibration,

toenhancerideofstandardseat,standardseat

withCustomRideSeatSuspensionorDeluxe

SuspensionSeat.Addsapproximately1inch

(2.5cm)toseatheight.SeatIsolationSystem

isstandardonallLZZ-LPunits.

•Mounting:

–LZZ-LPUnits:Hingedseatframetotiltup

seat.Heldintiltedpositionwithproprod.

Adjustableforeandaftonseattracks.

–LZAS-LPUnits:Adjustableforeandafton

seattracks.

–Armrests:

◊Standardseat:foampaddedadjustable

ip-uparmrests.

◊Suspensionseat:moldedadjustableip-up

armrests.

–SeatSafetySwitch:

Integratedseatswitch.Timedelayseatswitch

eliminatesroughgroundcut-outs.

HydrostaticGroundDriveSystem

•Twounitizedhydrostatictransmissions:

–LZZ-LPUnits:

◊16ccParkeraxialpistonpump

◊280ccRossgerolermotor

–LZAS-LPUnits:

◊12ccParkeraxialpistonpump

◊240ccParkergerolermotor

•HydraulicOilType:ExmarkPremiumHydrooil.

•HydraulicOilCapacity:52oz(1.5L)perside

•HydraulicFilter:P/N116-0164

•Speeds:

–12cc

◊0-10mph(16.1km/hr)forward.

◊0-5.5mph(8.9km/hr)reverse.

–16cc

◊0-11.5mph(18.5km/hr)forward.

◊0-6mph(9.7km/hr)reverse.

•Drivewheelreleasevalvesallowmachinetobe

movedwhenengineisnotrunning.

Specications

Tires&Wheels

Drive

Pneumatic(Airlled)

Quantity

Tread

“Multi-TracC/S”

Size24x12.00-12

PlyRating

Pressure

13psi(90kPa)

FrontCaster

Semi-Pneumatic

ModelLZAS-LPLZAS-LPLZZ-LP

DeckSize

Quantity

222

Tread

SmoothSmoothSmooth

Size13x5.00-613x6.50-613x6.50-6

PlyRating

———

Pressure

———

CuttingDeck

•CuttingWidth:

–60inchDeck:(152.4cm)

–72inchDeck:(182.9cm)

•Discharge:Side

•BladeSize:(3ea.)

–60inchDeck:20.50inches(52.1cm)

–72inchDeck:24.50inches(62.2cm)

•BladeSpindles:

–LZZ-LPUnits:Solidsteelspindleswith1.18

inch(30mm)I.D.bearings.

–LZAS-LPUnits:Solidsteelspindleswith1.00

inch(25mm)I.D.bearings.

•DeckDrive:

Electricclutch.Shaftdiameter1.125inches(2.86

cm)

60and72inchDecks:5VSectionbeltwith

self-tensioningidler.

•Deck:

Fulloatingdeckisattachedtoout-frontsupport

frame.Anti-scalprollersprovidemaximumturf

protection.Deckdesignallowsforbagging,

mulchingorsidedischarge.

–60inchDeck:4anti-scalprollers

–72inchDeck:4anti-scalprollers

•DeckDepth:

–60inchDeck:5.5inches(14cm)

–72inchDeck:5.5inches(14cm)

•CuttingHeightAdjustment:

Footactivatedleverisusedtoadjustthecutting

heightfrom1inch(2.5cm)to51/2inches(14

cm)in1/4inch(6.4mm)increments.

•MulchingKit:Optional.

Dimensions

OverallWidth:

60inchDeck72inchDeck

WithoutDeck53.0inches

(134.6cm)

59.1inches

(150.1cm)

DeectorUp62.5inches

(158.8cm)

73.5inches

(186.7cm)

DeectorDown72.8inches

(184.9cm)

84.9inches

(215.6cm)

OverallLength:

60inchDeck72inchDeck

RollBar-Up83.1inches

(211.1cm)

86.1inches

(218.7cm)

RollBar-Down84.8inches

(215.4cm)

87.8inches

(223.0cm)

OverallHeight:

RollBar-UpRollBar-Down

70.5inches(179.1cm)46.8inches(118.9cm)

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Exmark 4500-645 User manual

Brand: Exmark

Model: 4500-645

Category: Lawnmowers

Type: User manual

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Exmark 4500-645 User manual

Exmark 4500-645 User manual

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