Exmark Z Mower 4500-645 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.

©2010—ExmarkMfg.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.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.

Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.

Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.

3

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

4

Safety

Safety

SafetyAlertSymbol

ThisSafetyAlertSymbol(Figure2)isusedbothin
thismanualandonthemachinetoidentifyimportant
safetymessageswhichmustbefollowedtoavoid
accidents.

Thissymbolmeans:ATTENTION!BECOME

ALERT!YOURSAFETYISINVOLVED!

Figure2

1.Safetyalertsymbol

Thesafetyalertsymbolappearsaboveinformation
whichalertsyoutounsafeactionsorsituations
andwillbefollowedbythewordDANGER,
WARNING,orCAUTION.

TheLPGinformationinthisOperator’smanualis
providedonlyasaguide.ConsulttheNFP A58:
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:

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.

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.

5

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.

6

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
useCarbonT etrachlorideextinguishers
(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.

7

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.)

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.

◊Usingasmallbrushorspraybottle,apply

thesolutionaroundallthettingsofthe
LPGtankandthefuelconnectionjoint.

◊Slowlyopenthegasvalveahalf-turn.

◊Ifbubblesaredetected,thejointortting

hasaleak.Shutoffthevalve,tighten
theleakingconnection,andslowlyopen
thevalveagain.Ifbubblesstillappear,
DoNotusethetank.Ifitissafetodo

•Removeaccumulateddebrisfrommufer
andenginearea.

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

8

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.

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.

•DoNotchangetheenginegovernorsettingor
overspeedtheengine.

•Stopengine,waitforallmovingpartstostop,
removekeyandengageparkingbrake:

–Beforechecking,cleaningorworkingonthe

mower.

–Afterstrikingaforeignobjectorabnormal

vibrationoccurs(inspectthemowerfor
damageandmakerepairsbeforerestarting
andoperatingthemower).

–Beforeclearingblockages.

–Wheneveryouleavethemower.

•Stopengine,waitforallmovingpartstostop,and
engageparkingbrake:

–Beforechangingtanks.

–Beforedumpingthegrasscatcher.

•Beawareofthemowerdischargepathanddirect
dischargeawayfromothers.

•DoNotoperatethemowerundertheinuence
ofalcoholordrugs.

•Useextremecarewhenloadingorunloadingthe
machineintoatrailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.

SlopeOperation

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

9

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).

•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.

Figure3

1.SafeZone-Usethemowerhereonslopeslessthan15
degrees

2.DangerZone-Useawalkbehindmowerand/orhand
trimmeronslopesgreaterthan15degrees,near
drop-offsandwater.

3.Water

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

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

10

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.

•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.

•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.

•Alwaysshieldeyesandfacefrombattery.

DANGER

Batteryelectrolytecontainssulfuricacid,
whichispoisonousandcancausesevere
burns.Swallowingelectrolytecanbefatalor
ifittouchesskincancausesevereburns.

•Wearsafetyglassestoshieldeyes,and
rubberglovestoprotectskinandclothing
whenhandlingelectrolyte.

•DoNotswallowelectrolyte.

•Intheeventofanaccident,ushwith
waterandcalladoctorimmediately.

11

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.

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.

Replaceallpartsincluding,butnotlimitedto
tires,belts,andbladeswithoriginalExmark
parts.

12

SafetyandInstructionalDecals

Safety

•Keepallsafetysignslegible.Removeallgrease,
dirtanddebrisfromsafetysignsandinstructional
labels.

•Replaceallworn,damaged,ormissingsafety
signs.

•Whenreplacementcomponentsareinstalled,be
surethatcurrentsafetysignsareafxedtothe
replacedcomponents.

•Ifanattachmentoraccessoryhasbeeninstalled,
makesurecurrentsafetysignsarevisible.

1-303508

•Newsafetysignsmaybeobtainedfrom
yourauthorizedExmarkequipmentdealeror
distributororfromExmarkMfg.Co.Inc.

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

•Familiarizeyourselfwiththefollowingsafetysigns
andinstructionlabels.Theyarecriticaltothesafe
operationofyourExmarkcommercialmower.

1-633922

1-403005

98-5954

103-2076

13

Safety

109-3148

107-2102

107-2112

109-7232

1.Fast3.Neutral

2.Slow

109-7330

109-7929

4.Reverse

14

DeckDriveBeltRouting

Safety

116-0157

1.SeeOperator’smanual

109-9361

116-0205

116-0211

109-9875

15

Safety

1.Latch2.Unlatch

117-2718

116-0752

HourMessageDisplay

1.HourMeter4.Neutral

116-1714

2.PTO5.Operator’spresence
switch

3.ParkingBrake6.Battery

1.Throttle-fast

2.Throttle-slow

116-2643

PTOSwitchSymbols

1.PTO–disengage2.PTO–engage

116-3261

16

Safety

109-7069

109-9906

17

Specications

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.

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.

Note:Useofa“forklift”typeliquidwithdrawaltank
willresultinicingorfreezingoftheLPGregulator

OperatorControls

•SteeringandMotionControl:

18

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.

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:

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

–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.

19

Specications

Tires&Wheels

Pneumatic(Airlled)

Quantity

Tread

Size24x12.00-12

PlyRating

Pressure

ModelLZAS-LPLZAS-LPLZZ-LP

DeckSize

Quantity

Tread

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

PlyRating

Pressure

60

222

SmoothSmoothSmooth

———

———

2

“Multi-TracC/S”

4

13psi(90kPa)

FrontCaster

Semi-Pneumatic

72

CuttingDeck

•CuttingWidth:

–60inchDeck:(152.4cm)

–72inchDeck:(182.9cm)

Drive

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.

60

•MulchingKit:Optional.

Dimensions

OverallWidth:

60inchDeck72inchDeck

WithoutDeck53.0inches

(134.6cm)

DeectorUp62.5inches

(158.8cm)

DeectorDown72.8inches

(184.9cm)

59.1inches
(150.1cm)

73.5inches
(186.7cm)

84.9inches
(215.6cm)

•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

OverallLength:

60inchDeck72inchDeck

RollBar-Up83.1inches

(211.1cm)

RollBar-Down84.8inches

(215.4cm)

86.1inches
(218.7cm)

87.8inches
(223.0cm)

OverallHeight:

RollBar-UpRollBar-Down

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

20