Exmark LAZER Z HP 523 User manual

Brand: Exmark

Model: LAZER Z HP 523

Category: Lawnmowers

Type: User manual

LAZERZ®HP523

ForSerialNos.720,000&Higher

PartNo.4500-257Rev.A

WARNING

CALIFORNIA

Proposition65Warning

Theengineexhaustfromthisproduct

containschemicalsknowntotheStateof

Californiatocausecancer,birthdefects,or

otherreproductiveharm.

Important:Whenthemowerisusedoroperated

onanyCaliforniaforest,brushorgrasscovered

land,aworkingsparkarrestermustbeattached

tothemufer.Ifnot,theoperatorisviolating

statelaw,Section4442PublicResourceCode.To

acquireasparkarresterforyourunit,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.

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.....................10

Specications.......................................................14

ModelNumbers............................................14

Systems.........................................................14

Dimensions...................................................15

TorqueRequirements....................................16

ProductOverview................................................17

Operation.............................................................17

Controls........................................................17

Pre-Start........................................................18

OperatingInstructions..................................19

Transporting.................................................22

Maintenance.........................................................24

RecommendedMaintenanceSchedule(s)...........24

PeriodicMaintenance.......................................25

CheckEngineOilLevel.................................25

CheckBatteryCharge....................................25

CheckMowerBlades.....................................26

CheckSafetyInterlockSystem.......................26

CheckRolloverProtectionSystem(Roll

Bar)Pins...................................................27

CheckSeatBelt..............................................27

CheckforLooseHardware............................27

ServiceAirCleaner........................................27

ChangeEngineOil........................................27

CheckHydraulicOilLevel.............................28

CheckTirePressures.....................................28

CheckConditionOfBelts..............................28

LubricateGreaseFittings...............................28

LubricateCasterWheelHubs........................29

LubricateBrakeHandlePivot........................30

LubricateBrakeRodBushings.......................30

LubricateMotionControlBronze

Bushings...................................................30

LubricateSeatSwitchActuator......................30

CheckSparkPlugs.........................................30

ChangeHydraulicSystemFilter.....................30

WheelHub-SlottedNutTorque

Specication..............................................31

ThreadLockingAdhesives.............................31

MobilHTSGrease(OrFood-Grade

Anti-seize).................................................31

Copper-BasedAnti-seize..............................31

DielectricGrease...........................................31

Adjustments.....................................................32

DeckLeveling...............................................32

PumpDriveBeltTension...............................32

DeckBeltTension........................................32

BrakeLinkAdjustment..................................32

BrakeAdjustment..........................................33

ElectricClutchAdjustment............................33

ReverseIndicatorAdjustment........................33

MotionControlLinkageAdjustment.............34

AdjustSeatSwitch........................................35

CasterPivotBearingsPre-Load

Adjustment...............................................35

Cleaning...........................................................36

CleanEngineCoolingSystem........................36

RemoveEngineShroudsandCleanCooling

Fins...........................................................36

CleanGrassBuild-UpUnderDeck................36

WasteDisposal..............................................36

Troubleshooting...................................................37

Schematics...........................................................39

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

•ReadtheOperator’sManualandothertraining

material.Iftheoperator(s)ormechanic(s)can

notreadEnglishitistheowner’sresponsibilityto

explainthismaterialtothem.

•Becomefamiliarwiththesafeoperationofthe

equipment,operatorcontrols,andsafetysigns.

•Alloperatorsandmechanicsshouldbetrained.

Theownerisresponsiblefortrainingtheusers.

•Neverletchildrenoruntrainedpeopleoperate

orservicetheequipment.Localregulationsmay

restricttheageoftheoperator.

•Theowner/usercanpreventandisresponsible

foraccidentsorinjuriesoccurringtohimselfor

herself,otherpeopleorproperty.

Preparation

•Evaluatetheterraintodeterminewhataccessories

andattachmentsareneededtoproperlyand

safelyperformthejob.Onlyuseaccessoriesand

attachmentsapprovedbyExmark.

•Wearappropriateclothingincludingsafetyglasses,

substantialfootwear,longtrousers,andhearing

protection.DoNotoperatewhenbarefootor

whenwearingopensandals.Longhair,loose

clothingorjewelrymaygettangledinmoving

parts.

CAUTION

Thismachineproducessoundlevelsin

excessof85dBAattheoperator’searand

cancausehearinglossthroughextended

periodsofexposure.

Wearhearingprotectionwhenoperatingthis

machine.

•Inspecttheareawheretheequipmentistobe

usedandremoveallrocks,toys,sticks,wires,

bones,andotherforeignobjectswhichcanbe

thrownbythemachineandmaycausepersonal

injurytotheoperatororbystanders.

Safety

DANGER

Incertainconditionsgasolineisextremely

ammableandvaporsareexplosive.

Areorexplosionfromgasolinecanburn

you,others,andcausepropertydamage.

•Fillthefueltankoutdoorsinanopen

area,whentheengineiscold.Wipeup

anygasolinethatspills.

•Neverrellthefueltankordrainthe

machineindoorsorinsideanenclosed

trailer.

•DoNotllthefueltankcompletely

full.Addgasolinetothefueltankuntil

thelevelis1/4to1/2inch(6–13mm)

belowthebottomofthellerneck.This

emptyspaceinthetankallowsgasoline

toexpand.

•Neversmokewhenhandlinggasoline,

andstayawayfromanopenameor

wheregasolinefumesmaybeignitedby

spark.

•Storegasolineinanapprovedcontainer

andkeepitoutofthereachofchildren.

•Addfuelbeforestartingtheengine.

Neverremovethecapofthefueltankor

addfuelwhenengineisrunningorwhen

theengineishot.

•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.

•Checkthattheoperator’spresencecontrols,

safetyswitches,andshieldsareattachedand

functioningproperly.DoNotoperateunlessthey

arefunctioningproperly.

Safety

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.

WARNING

Engineexhaustcontainscarbonmonoxide,

whichisanodorlessdeadlypoisonthatcan

killyou.

DoNotrunengineindoorsorinasmall

connedareawheredangerouscarbon

monoxidefumescancollect.

•Operateonlyindaylightorgoodarticiallight,

keepingawayfromholesandhiddenhazards.

•Besurealldrivesareinneutralandparkingbrake

isengagedbeforestartingengine.Useseatbelts.

•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:

–Beforerefueling.

–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.

•Seeinsidethebackcovertodeterminethe

approximateslopeangleoftheareatobemowed.

•Useawalkbehindmowerand/orahandtrimmer

neardrop-offs,ditches,steepbanksorwater.

(Figure3).

Figure3

1.SafeZone-Usethe

mowerhereonslopes

lessthan15degrees

3.Water

2.DangerZone-Useawalk

behindmowerand/or

handtrimmernear

drop-offsandwater.

•Removeormarkobstaclessuchasrocks,tree

limbs,etc.fromthemowingarea.Tallgrasscan

hideobstacles.

•Watchforditches,holes,rocks,dipsandrisesthat

changetheoperatingangle,asroughterraincould

overturnthemachine.

•Avoidsuddenstartswhenmowinguphillbecause

themowermaytipbackwards.

•Beawarethatlossoftractionmayoccurgoing

downhill.Weighttransfertothefrontwheels

maycausedrivewheelstoslipandcauselossof

brakingandsteering.

•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

drivingunderanyobjectsanddonotcontactthem.

Safety

MaintenanceandStorage

•Disengagedrives,lowerimplement,setparking

brake,stopengineandremovekeyordisconnect

sparkplugwire.Waitforallmovementtostop

beforeadjusting,cleaningorrepairing.

•Keepengine,enginearea,andpumpdrivebelt

compartmentfreefromaccumulationofgrass,

leaves,excessivegreaseoroil,andotherdebris

whichcanaccumulateintheseareas.These

materialscanbecomecombustibleandmayresult

inare.

•Letenginecoolbeforestoringanddonotstore

nearameoranyenclosedareawhereopenpilot

lightsorheatappliancesarepresent.

•Shutofffuelwhilestoringortransporting.Do

Notstorefuelnearamesordrainindoors.

•Parkmachineonlevelground.Neverallow

untrainedpersonneltoservicemachine.

•Usejackstandstosupportcomponentswhen

required.

•Carefullyreleasepressurefromcomponentswith

storedenergy.

•Disconnectbatteryorremovesparkplugwire

beforemakinganyrepairs.Disconnectthe

negativeterminalrstandthepositivelast.

Reconnectpositiverstandnegativelast.

•Usecarewhencheckingblades.Wraptheblade(s)

orweargloves,andusecautionwhenservicing

them.Onlyreplaceblades.Neverstraightenor

weldthem.

•Keephandsandfeetawayfrommovingparts.

Ifpossible,donotmakeadjustmentswiththe

enginerunning.

•Chargebatteriesinanopenwellventilatedarea,

awayfromsparkandames.Unplugcharger

beforeconnectingordisconnectingfrombattery.

Wearprotectiveclothinganduseinsulatedtools.

•Keepallguards,shieldsandallsafetydevicesin

placeandinsafeworkingcondition.

•Checkallboltsfrequentlytomaintainproper

tightness.

•Frequentlycheckforwornordeteriorating

componentsthatcouldcreateahazard.

•Allreplacementpartsmustbethesameas

orequivalenttothepartssuppliedasoriginal

equipment.

WARNING

Hydraulicuidescapingunderpressure

canpenetrateskinandcauseinjury.Fluid

accidentallyinjectedintotheskinmustbe

surgicallyremovedwithinafewhoursbya

doctorfamiliarwiththisformofinjuryor

gangrenemayresult.

•Makesureallhydraulicuidhoses

andlinesareingoodconditionand

allhydraulicconnectionsand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

1-513742

1–513746

1-513748

1-523552

Safety

1–633922

1–653147

98-5954

103–2644

103–4892

103–4930

Safety

103–6340

103–9287

107-2102

107-2112

Safety

109–1196

109-3148

109–7949

103–4891

108–5995

1.Fast

2.Slow

3.Neutral4.Reverse

Specications

ModelNumbers

SerialNos:720,000andHigher

LHP23KC523;LHP27KC523

Systems

Engine

•EngineSpecications:SeeyourEngineOwner’s

Manual

•RPM:FullSpeed:3600±50RPM(NoLoad)

Idle:1500RPM

FuelSystem

•Capacity:11.2gal.(42.0L)

•TypeofFuel:Regularunleadedgasoline,87

octaneorhigher.

•FuelFilter:In-line15Micron

KohlerP/N2405010.

•FuelShut-OffValve:1/4turnincrements(“ON”,

“OFF”)

•Fuelgaugeinlefthandfueltank.

ElectricalSystem

•ChargingSystem:FlywheelAlternator

•ChargingCapacity:15amps

•BatteryType:BCIGroupU1

•BatteryVoltage:12Volt

•Polarity:NegativeGround

•Fuses:Two20ampbladetype

SafetyInterlockSystem

•PTOmustbedisengaged,brakeengaged,and

motioncontrolleversout(neutrallock)tostart

engine.(Itisnotnecessaryfortheoperatortobe

intheseattostarttheengine.)

•OperatormustbeinseatwhenPTOisengaged,

brakeisdisengaged,ormotioncontrolleversare

movedinorenginewillstop.

•Enginewillstopifeithertheleft,theright,or

bothleversaremovedfromneutrallockposition

whilebrakeisengaged.

OperatorControls

•SteeringandMotionControl:

Note:Motioncontrolleversareadjustableto

twoheights.

–Separatelevers,oneachsideoftheconsole,

controlspeedanddirectionoftravelofthe

respectivedrivewheels.

–Steeringiscontrolledbyvaryingtheposition

oftheleversrelativetoeachother.

–Movingmotioncontrolleversoutward(in

slots)locksthedrivesysteminneutral.

•PTOEngagementSwitch:Engageselectricclutch

(todrivebelt)whichengagesmowerblades.

•ParkingBrakeLever:Engagesparkingbrake.

•DeckHeightAdjustmentLever:Setscutting

heighttodesiredposition.

•DeckLiftAssistLever:Footpedalthatassists

inraisingthedeck.

Seat

•Type:Standardseatwithhighback,foampadded

(internalsuspension)andarmrests.

Optionalseataccessories:

–Customridesuspensionsystemtoenhance

StandardSeat.

–Deluxesuspensionseatwithhighback,low

prolefoam-in-placecushion(dampened,

adjustablespringsuspension)andarmrests.

•Mounting:Hingedtotiltupforaccessto

hydraulicpumps,batteryandothercomponents.

Heldintiltedpositionwithproprod.Adjustable

foreandaftseattrack.

•Armrests:

–Standardseat:foampaddedip-uparmrests.

Specications

–Optionalsuspensionseat:moldedadjustable

ip-uparmrests.

•SeatSafetySwitch:Incorporatedintothe

SafetyInterlockSystem.Timedelayseatswitch

eliminatesroughgroundcut-outs.

HydrostaticGroundDriveSystem

•HydrostaticPumps:TwoHydroGearvariable

displacementpistonpumps.

•WheelMotors:TwoParkerwith11/4inch

taperedshafts.

•HydraulicOilType:UseMobil115W-50

Syntheticmotoroil.

•HydraulicOilCapacity:2.1qt.(2.0L)

•HydraulicFilter:Replaceablecartridgetype.

–Summeruseabove32°F(0°C)

P/N109-4180:25microns,10psibypass

–Winterusebelow32°F(0°C)

P/N1-523541:40microns,18psibypass

•Speeds:

–0-9.5mph(15.3km/hr)forward.

–0-5.5mph(8.9km/hr)reverse.

•Drivewheelreleasevalvesallowmachinetobe

movedwhenengineisnotrunning.

Tires&Wheels

DriveFrontCaster

Pneumatic

(Air-Filled)

Pneumatic

(Air-Filled)

Quantity

Tread

TurfMasterSmooth

Size23x9.50-1213x5.00-6

PlyRating

Pressure

13psi(90kPa)13psi(90kPa)

CuttingDeck

•CuttingWidth52inchDeck:52inches(132.1cm)

•Discharge:Side

•BladeSize:(3ea.)18.00inches(45.7cm)

•BladeSpindles:Solidsteelspindleswith1inch

(25.4mm)I.D.bearings.

•DeckDrive:

–Electricclutchmountedonverticalengine

shaft.“B”Sectionbelt(withself-tensioning

idler)directfromtheengine.

–Bladesaredrivenbyone“B”Sectionbelt

(w/self-tensioningidler)directfromthe

engine.

•Deck:

Fulloatingdeckisattachedtoout-frontsupport

frame.Maximumturfprotectionisprovidedwith

anti-scalprollers:

52inchDecks:Quantity5

Deckdesignallowsforbagging,mulchingorside

discharge.

•DeckDepth:

52inchDeck:5.0inches(12.7cm)

•CuttingHeightAdjustment:

Anextra-longcushionedleverisusedtoadjust

thecuttingheightfrom11/2inch(3.8cm)to

41/2inches(11.4cm)in1/4inch(6.4mm)

increments.Thecuttingheightadjustmenthandle

hasatransportpositionandalladjustmentscan

bemadewhiletheoperatorremainsseated.Units

alsohaveafootoperateddeckliftassistleverto

aidinraisingthedeck.

•MulchingKit:Optional.

Dimensions

OverallWidth:

52inchDeck

WithoutDeck47.9inches(121.7cm)

DeectorUp54.7inches(138.9cm)

DeectorDown63.2inches(160.5cm)

OverallLength:

52inchDeck

RollBar-Up77.3inches(196.3cm)

RollBar-Down83.4inches(211.8cm)

Specications

OverallHeight:

RollBar-UpRollBar-Down

69.4inches(176.3cm)51.3inches(130.3cm)

TreadWidth:(CentertoCenterof

Tires,Widthwise)

52inchDeck

DriveWheels38.4inches(97.5cm)

CasterWheels34.6inches(87.9cm)

WheelBase:(CenterofCasterTireto

CenterofDriveTire)

47.2inches(119.9cm)

CurbWeight:

1103lb(500kg)

TorqueRequirements

BoltLocation

Torque

CutterHousingSpindle

Nut

140-145ft-lb

(190–197N-m)

BladeMountingBolt

(lubricatewithanti-seize)

55-60ft-lb(75-81N-m)

EngineDeck/FrontFrame

MountBolts

30-35ft-lb(41-47N-m)

Anti-ScalpRollerNyloc

NutSeeFigure10

30-35ft-lb(41-47N-m)

Anti-ScalpRollerHex

CapscrewSeeFigure10

50-55ft-lb(68-75N-m)

EngineMountingBolts

15-20ft-lb(20-27N-m)

WheelLugNuts

90-95ft-lb(122-129N-m)

WheelMotorMounting

Bolts

72-77ft-lb(98-104N-m)

WheelHubSlottedNutminimum125ft-lb

(169N-m)

RolloverProtectionSystem

(RollBar)MountingBolts

30-35ft-lb(41-47N-m)

ClutchRetainingBolt

(securedwiththreadlocker)

55-60ft-lb(75-81N-m)

Operation

ProductOverview

Figure4

1.MotionControlLever5.Controls

2.ParkingBrakeLever

6.SeatBelt

3.Height-of-CutLever

7.RollBar

4.FuelCap(BothSides)

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Controls

MotionControlLevers

Themotioncontrolleverslocatedoneachsideofthe

consolecontroltheforwardandreversemotionof

themachine.Theleverscontroltheowofhydraulic

oilfromthehydrostaticpumptothedrivewheel

motorforeachside.

Movingtheleversforwardorbackwardturnsthe

wheelonthesamesideforwardorinreverse.Wheel

speedisproportionaltotheamounttheleveris

moved.

Movingtheleversoutwardfromthecenterposition

intotheT-slotlocksthemintheneutralposition

(Figure6).

ChokeControl

Locatedonrightfueltank.

Thechokeisusedtoaidinstartingacoldengine.

Movingthechokeleverforwardwillputthechokein

the“ON”positionandmovingthechokelevertothe

rear,tothedetent,willputthechokeinthe“OFF”

position.DoNotrunawarmenginewithchokein

the“ON”position.

ThrottleControl

Locatedonrightfueltank.

Thethrottleisusedtocontrolenginespeed.Moving

thethrottleleverforwardwillincreaseenginespeed

andmovingthethrottlelevertotherearwilldecrease

enginespeed.Movingthethrottleforwardintothe

detentisfullthrottle.

BrakeLever

Locatedonleftsideoftheconsole.

Thebrakeleverengagesaparkingbrakeonthedrive

wheels.

Pulltheleverupandrearwardtoengagethebrake.

Pushtheleverforwardanddowntodisengagethe

brake.

Operation

Theunitmustbetieddownandbrakeengagedwhen

transporting.

IgnitionSwitch

Locatedonrightfueltank.

Theignitionswitchisusedtostartandstopthe

engine.Theswitchhasthreepositions“OFF”,“ON”

and“START”.Insertkeyintoswitchandrotate

clockwisetothe“ON”position.Rotateclockwiseto

thenextpositiontoengagethestarter(keymustbe

heldagainstspringpressureinthisposition).

Note:Brakemustbeengaged,motioncontrollevers

out(neutrallockposition)andPTOswitch“OFF”to

startengine.(Itisnotnecessaryfortheoperatorto

beintheseattostarttheengine.)

HourMeter

Locatedontherightfueltank.

Thehourmeterisconnectedtoapressureswitch

installedintheengineblockanditrecordsthe

numberofhoursthattheenginehasrun.Ifthe

ignitionswitchisleftonwithoutenginerunning,

hourmeterwillnotrun.

Note:Thisswitchisnotalowoilsensorandwillnot

alerttheoperatoriftheengineoilislow .

FuelShut-OffValve

Thevalveislocatedinthefuellinebesidetheengine,

nearthefuellter.

Thefuelshut-offvalveisusedtoshutoffthefuel

whenthemachinewillnotbeusedforafewdays,

duringtransporttoandfromthejobsite,andwhen

parkedinsideabuilding.

Rotatethevalve1/4turnclockwisetoshutofffuel.

Rotatethevalve1/4turncounterclockwisetoturn

onfuel.

FuelGauge

Locatedontheleftfueltank.

Thefuelgaugemonitorstheamountoffuelinboth

tanks.Fuelisusedevenlyfrombothtanks.

DriveWheelReleaseValves

Locatedontherightfrontcornerofhydrostatic

pumps.

Drivewheelreleasevalvesareusedtoreleasethe

hydrostaticdrivesystemtoallowthemachinetobe

pushedwithouttheenginerunning.Unhookseat

latchandtiltseatuptogainaccesstopumps.

Witha5/8inchwrench,turnbothvalvesoneturn

counterclockwisetoreleasedrivesystem.Turn

clockwisetoresetsystem.DoNotovertighten.Do

Nottowmachine.

TrackingAdjustmentKnob

LocatedundertheseatontheLHpumpcontrollink.

Rotatingthisknoballowsnetuningadjustmentsso

thatthemachinetracksstraightwiththedrivelevers

inthefullforwardposition.

Stopmachineandwaitforallmovingpartstostop.

Engageparkbrake.Unhookseatlatchandtiltseat

forwardtogainaccesstothetrackingknob.Rotate

theknobclockwise(asviewedfromtherearofthe

machine)tocausethemachinetotrackmoretothe

rightandcounterclockwisetocausethemachine

totrackmoretotheleft.Adjustinquarter-turn

incrementsuntilthemachinetracksstraight.Check

thatthemachinedoesnotcreepwheninneutralwith

theparkbrakesdisengaged.

Important:DoNotrotatetheknobtoofar,as

thismaycausethemachinetocreepinneutral.

RefertotheMotionControlLinkageAdjustment

sectioninMaintenance.

PTOEngagementSwitch

Locatedontherightfueltank.

Switchmustbepulledouttothe“ROTATE”

positiontoengagetheblades.Switchispushedinto

the“STOP”positiontostoptheblades.

Pre-Start

Fillfueltanks.Forbestresultsuseonlyclean,fresh

regulargradeunleadedgasolinewithanoctanerating

of87orhigher.Regulargradeleadedgasolinemay

alsobeused;however,combustionchamberand

cylinderheadwillrequiremorefrequentservice.See

EngineOwner’sManual.

DoNotaddoiltogasoline.

DoNotoverllfueltank.Neverllthefueltankso

thatthefuellevelrisesabovealevelthatis1/2inch

Operation

(13mm)belowthebottomofthellernecktoallow

forfuelexpansionandpreventfuelspillage.

Makesureyouunderstandthecontrols,their

locations,theirfunctions,andtheirsafety

requirements.

RefertotheMaintenancesectionandperformallthe

necessaryinspectionandmaintenancesteps.

OperatingInstructions

RaisetheRolloverProtectionSystem

(ROPS)

Important:Lowertherollbaronlywhen

absolutelynecessary.

1.Removethehairpincotterpinsandremovethe

tworollbarpins(Figure5).

2.Raisetherollbartotheuprightpositionand

installthetwopinsandsecurethemwiththe

hairpincotterpins(Figure5).

Important:Alwaysusetheseatbeltwiththe

rollbarintheraisedposition.Ensurethatthe

rearpartoftheseatissecuredwiththeseat

latch.

Figure5

1.Rollbar3.Pin

2.Raisedposition4.Hairpincotterpin

OpentheFuelShut-OffValve

Thefuelshutoffvalveislocatedinthefuelline

besidetheengine,nearthefuellter.Rotatethevalve

1/4turncounterclockwisetoturnonfuel.

StartingtheEngine

1.Movethemotioncontrolleversouttotheneutral

lockposition.

2.Pullupandbackontheparkingbrakeleverto

engagetheparkingbrake.

3.PushinonthePTOswitchtothe“STOP”

position.

Note:Itisnotnecessaryfortheoperatortobe

intheseattostarttheengine.

4.Placethethrottlemidwaybetweenthe“SLOW”

and“FAST”positions.

5.Onacoldengine,pushthechokeleverforward

intothe“ON”position.

Onawarmengine,leavethechokeinthe“OFF”

position.

6.Turnignitionswitchtothe“START”position.

Releasetheswitchassoonastheenginestarts.

Important:DoNotcranktheengine

continuouslyformorethantensecondsata

time.Iftheenginedoesnotstart,allowa60

secondcool-downperiodbetweenstarting

attempts.Failuretofollowtheseguidelines

canburnoutthestartermotor.

7.Ifthechokeisinthe“ON”position,gradually

returnchoketothe“OFF”positionastheengine

warmsup.

EngagingthePTO

DANGER

Therotatingbladesunderthemowerdeck

aredangerous.Bladecontactcancause

seriousinjuryorkillyou.

DoNotputhandsorfeetunderthemower

ormowerdeckwhenthebladesareengaged.

Operation

DANGER

Anuncovereddischargeopeningwillallow

objectstobethrowninanoperator’sor

bystander’sdirection.Also,contactwiththe

bladecouldoccur.Thrownobjectsorblade

contactcancauseseriousinjuryordeath.

Neveroperatethemowerwiththedischarge

deectorraised,removed,oralteredunless

thereisagrasscollectionsystemormulch

kitinplaceandworkingproperly.

ThePTOpush-pullswitchengagesthecuttingblades.

Besurethatallpersonsareclearofthemowerdeck

anddischargeareabeforeengagingPTO.

Important:Operatormustbeinseatbeforethe

PTOcanbeengaged.

1.Setthethrottletothe“MIDWAY”position.

2.PullthePTOswitchoutwardtothe“ROTATE”

position.

3.Placethethrottleinthe“FAST”positiontobegin

mowing.

DisengagingthePTO

1.Setthethrottletothe“MIDWAY”position.

2.PushthePTOswitchintothe“STOP”position

todisengagetheblades.

StoppingtheEngine

1.Bringtheunittoafullstop.

2.DisengagethePTO.

3.Movethemotioncontrolleversouttotheneutral

lockposition.

4.Engagetheparkingbrake.

5.Placethethrottlemidwaybetweenthe“SLOW”

and“FAST”positions.

6.Allowtheenginetorunforaminimumof15

seconds,thenturntheignitionswitchtothe

“OFF”positiontostoptheengine.

7.Removethekeytopreventchildrenorother

unauthorizedpersonsfromstartingengine.

8.Closethefuelshut-offvalvewhenthemachine

willnotbeinuseforafewdays,when

transporting,orwhentheunitisparkedinside

abuilding.

DrivingtheMachine

CAUTION

Machinecanspinveryrapidlybypositioning

onelevertoomuchaheadoftheother.

Operatormaylosecontrolofthemachine,

whichmaycausedamagetothemachine

orinjury.

•Usecautionwhenmakingturns.

•Slowthemachinedownbeforemaking

sharpturns.

Important:Tobeginmovement(forwardor

backward)theoperatormustbeintheseat,the

brakelevermustbedisengaged(pusheddown)

beforethemotioncontrolleverscanbemovedin

ortheenginewillstop.

WhenleversarecenteredintheT-slotthedrive

systemisintheneutralposition.Withleversmoved

outintheT-slotthedrivesystemisintheneutrallock

position(Figure6).

Figure6

1.HandlesOut(Neutral

Lock)

5.Neutral

2.HandlesIn(Neutral)

6.Reverse

3.FrontofUnit

7.NeutralLock

4.Forward

DrivingForward

1.Releasetheparkingbrake.

2.Movethemotioncontrolleversinwardtothe

centertotheneutralunlockedposition.

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Exmark LAZER Z HP 523 User manual

Brand: Exmark

Model: LAZER Z HP 523

Category: Lawnmowers

Type: User manual

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Exmark LAZER Z HP 523 User manual

Exmark LAZER Z HP 523 User manual

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