Exmark 312 User manual

Brand: Exmark

Model: 312

Category: Lawnmowers

Type: User manual

TURFTRACER®

S-SERIESLP

ForSerialNos.

312,000,000&Higher

PartNo.4501-049Rev.A

Thissparkignitionsystemcomplieswiththe

CanadianstandardICES-002.Cesystèmed’allumage

parètincelledevèhiculeestconformeàlanorme

NMB-002duCanada

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,orshould

yourequiretrainedmechanicservice,contactyour

authorizedExmarkequipmentdealerordistributor.

Exmarkpartsmanualsareavailableonlineat

http://www.exmark.com

AllExmarkequipmentdealersanddistributorsare

keptinformedofthelatestmethodsofservicing

andareequippedtoprovidepromptandefcient

serviceintheeldorattheirservicestations.They

carryamplestockofservicepartsorcansecurethem

promptlyforyoufromthefactory.

AllExmarkpartsarethoroughlytestedandinspected

beforeleavingthefactory,however,attentionis

requiredonyourpartifyouaretoobtainthefullest

measureofsatisfactionandperformance.

Wheneveryouneedservice,genuineExmarkparts,

oradditionalinformation,contactanAuthorized

ServiceDealerorExmarkCustomerServiceandhave

themodelandserialnumbersofyourproductready.

Figure1identiesthelocationofthemodelandserial

numbersontheproduct.Writethenumbersinthe

spaceprovided.

Figure1

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

Contents

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

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

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

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

SafetyandInstructionalDecals......................12

Specications........................................................16

ModelNumbers.............................................16

Systems..........................................................16

Dimensions....................................................17

TorqueRequirements.....................................18

ProductOverview.................................................18

Operation..............................................................19

Controls.........................................................19

Pre-Start.........................................................20

OperatingInstructions...................................21

Transporting..................................................24

Maintenance..........................................................26

RecommendedMaintenanceSchedule(s)............26

PeriodicMaintenance........................................27

CheckEngineOilLevel..................................27

CheckBatteryCharge.....................................27

CheckMowerBlades......................................28

CheckSafetyInterlockSystem........................30

CheckforLooseHardware.............................30

ServicePre-CleanerElementandAir

Cleaner.......................................................30

ChangeEngineOil.........................................31

CheckHydraulicOilLevel..............................31

CheckTirePressures......................................31

CheckConditionOfBelts...............................31

LubricateGreaseFittings................................31

CheckSparkPlugs..........................................32

CheckLPGTank............................................32

CheckLPGFuelDeliverySystem...................32

ChangeHydraulicSystemFilter......................33

WheelHub-SlottedNutTorque

Specication...............................................35

InspectPTOClutchingBeltTension...............35

ThreadLockingAdhesives..............................35

MobilHTSGrease(OrFood-Grade

Anti-seize)..................................................35

Copper-BasedAnti-seize................................35

DielectricGrease............................................36

Adjustments......................................................36

DeckLeveling................................................36

PumpDriveBeltTension................................36

PTOClutchingBeltTension...........................36

DeckBeltTension..........................................36

ParkBrakeAdjustment...................................36

HydroDriveLinkageAdjustment...................36

TrackingAdjustment......................................39

HydroPumpSpringTensionSetting...............39

PTOSafetySwitch.........................................39

LPGRegulator..............................................39

Cleaning............................................................40

CleanEngineandExhaustSystem

Area...........................................................40

RemoveEngineShroudsandClean

CoolingFins...............................................40

CleanDebrisFromMachine...........................40

CleanGrassBuild-UpUnderDeck.................40

WasteDisposal...............................................40

Troubleshooting....................................................42

Schematics............................................................45

Safety

SafetyAlertSymbol

ThislawnmowermeetsorexceedstheB71.4

specicationsoftheAmericanNationalStandards

Instituteineffectatthetimeofproduction.

Exmarkdesignedandtestedthislawnmowertooffer

reasonablysafeservice;however,failuretocomply

withthefollowinginstructionsmayresultinpersonal

injury.

ThisSafetyAlertSymbol(

Figure2)isusedbothin

thismanualandonthemachinetoidentifyimportant

safetymessageswhichmustbefollowedtoavoid

accidents.

Thissymbolmeans:ATTENTION!BECOME

ALERT!YOURSAFETYISINVOLVED!

Figure2

SafetyAlertSymbol

Thesafetyalertsymbolappearsaboveinformation

whichalertsyoutounsafeactionsorsituations

andwillbefollowedbythewordDANGER,

WARNING,orCAUTION.

DANGER:Whitelettering/Redbackground.

Indicatesanimminentlyhazardoussituationwhich,if

notavoided,Willresultindeathorseriousinjury.

WARNING:Blacklettering/Orangebackground.

Indicatesapotentiallyhazardoussituationwhich,if

notavoided,Couldresultindeathorseriousinjury.

CAUTION:Blacklettering/Yellowbackground.

Indicatesapotentiallyhazardoussituationwhich,if

notavoided,Mayresultinminorormoderateinjury.

Thismanualusestwootherwordstohighlight

information.Importantcallsattentiontospecial

mechanicalinformationandNoteemphasizes

generalinformationworthyofspecialattention.

SafeOperatingPractices

Training

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.

Safety

•Wearappropriateclothingincludingsafetyglasses,

substantialfootwear,longtrousers,andhearing

protection.DoNotoperatewhenbarefootor

whenwearingopensandals.Longhair,loose

clothingorjewelrymaygettangledinmoving

parts.

CAUTION

Thismachineproducessoundlevelsinexcess

of85dBAattheoperator’searandcancause

hearinglossthroughextendedperiodsof

exposure.

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,putoutthe

re.Usuallywhenowofgasiscutoff,

rewillautomaticallystop.

4.Ifgasowcannotbeimmediately

stopped,directwaterontankstokeep

themcool,butDoNotputoutre.

•Storagelocationsandtrailersshouldbe

equippedwithatleastoneapproved

portablereextinguisherhavinga

minimumcapacityof18lb(8.2kg)dry

chemicalwithaB:Crating.DoNot

useCarbonTetrachlorideextinguishers

(Pyreneetc.).

DANGER

LPGvaporsandliquidescapingfromthetank

maycauseseriousinjuryordeath.Vapors

orliquidmaycausesuffocation,freezingof

tissue,orfrostbite.

•Storeandservicethemowerinawell

ventilatedarea.

•AnapprovedLPGdetectorinstalledin

trailersandstorageareasisrecommended.

•LPGisheavierthanairandmay

accumulateinlowlyingareas,suchas

ditches,drains,orpits.

•Avoidbreathingofvapors.

•Keepawayfromventvalve.

•Keepawayfromeyesandskin.

•Contacttrainedandqualiedpersonnelif

tankshowssignsoffrostedareas,makesa

hissingsound,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.

–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.

Safety

–InspecttheLPGtankandthefuelconnection

jointforleaks.Usethefollowingprocedure

belowtodetectleaks:

◊Applyanapprovedleakdetectorsolution,

obtainedfromatrainedandqualiedLPG

distributor,orathicknon-ammoniasoapy

watersolution(50%non-ammoniasoap

and50%water).(Aleakdetectorsolution

thatcontainsammoniawillcausethe

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edin

thetwopreviousinspectionsections.

•TankRequalication:

–USDOT(UnitedStatesDepartmentof

Transportation)regulationsrequireLPGtanks

tobeinspected,requalied,andmarkedwithin

12yearsofthemanufacturedateandona

regularbasisthereafter.Typicallythisoccurs

whenthetankisrelled;contactatrainedand

qualiedLPGtankproviderformoredetails.

–DoNotlltheLPGtankifitisbeyondthe

requalicationperiod.

–DoNotlldamagedorrustedLPGtanks.

Operation

WARNING

Operatingengineparts,especiallythemufer,

becomeextremelyhot.Severeburnscanoccur

oncontactanddebris,suchasleaves,grass,

brush,etc.cancatchre.

•Allowengineparts,especiallythemufer,to

coolbeforetouching.

•Removeaccumulateddebrisfrommuferand

enginearea.

•Installandmaintaininworkingordera

sparkarresterbeforeusingequipment

onforest-covered,grass-covered,or

brush-coveredunimprovedland.

WARNING

Engineexhaustcontainscarbonmonoxide,

whichisanodorlessdeadlypoisonthatcankill

you.

DoNotrunengineindoorsorinasmallconned

areawheredangerouscarbonmonoxidefumes

cancollect.

•Operateonlyindaylightorgoodarticiallight,

keepingawayfromholesandhiddenhazards.

•Besurealldrivesareinneutralandparkingbrake

isengagedbeforestartingengine.

•Neverraisedeckwithbladesrunning.

•Neveroperatethemowerwithdamagedguards,

shields,orcovers.Alwayshavesafetyshields,

guards,switchesandotherdevicesinplaceandin

properworkingcondition.

•Nevermowwiththedischargedeectorraised,

removedoralteredunlessthereisagrass

collectionsystemormulchkitinplaceand

workingproperly.

•DoNotchangetheenginegovernorsettingor

overspeedtheengine.

•Parkmachineonlevelground.Stopengine,wait

forallmovingpartstostop,removekeyand

engageparkingbrake:

–Beforechecking,cleaningorworkingonthe

mower.

–Afterstrikingaforeignobjectorabnormal

vibrationoccurs(inspectthemowerfor

Safety

damageandmakerepairsbeforerestarting

andoperatingthemower).

–Beforeclearingblockages.

–Wheneveryouleavethemower.

•Stopengine,waitforallmovingpartstostop,and

engageparkingbrake:

–Beforechangingtanks.

–Beforedumpingthegrasscatcher.

–Beforemakingheightadjustments.

WARNING

Hands,feet,hair,clothing,oraccessoriescan

becomeentangledinrotatingparts.Contact

withtherotatingpartscancausetraumatic

amputationorseverelacerations.

•DoNotoperatethemachinewithout

guards,shields,andsafetydevicesinplace

andworkingproperly.

•Keephands,feet,hair,jewelry,orclothing

awayfromrotatingparts.

•DONOToperatethemowerwhenpeople,

especiallychildren,orpetsareinthearea.

•Bealert,slowdownandusecautionwhen

makingturns.Lookbehindandtothesidebefore

changingdirections.

•Stoptheblades,slowdown,andusecaution

whencrossingsurfacesotherthangrassandwhen

transportingthemowertoandfromtheareato

bemowed.

•Beawareofthemowerdischargepathanddirect

dischargeawayfromothers.

•DoNotoperatethemowerundertheinuence

ofalcoholordrugs.

•Useextremecarewhenloadingorunloadingthe

machineintoatrailerortruck.

•Usecarewhenapproachingblindcorners,shrubs,

trees,orotherobjectsthatmayobscurevision.

SlopeOperation

UseExtremecautionwhenmowingand/orturning

onslopesaslossoftractionand/ortip-overcould

occur.Theoperatorisresponsibleforsafeoperation

onslopes.

DANGER

Operatingonwetgrassorsteepslopescan

causeslidingandlossofcontrol.Lossofcontrol

and/orlossofoperator'sfootingcouldresultina

fallwithanarmorleggettingunderthemower

orenginedeckwhichmayresultinseriousinjury,

deathordrowning.

•Mowacrossslopes,neverupanddown.

•DoNotmowslopeswhengrassiswet.

•DoNotmowneardrop-offsornearwater.

•DoNotmowslopesgreaterthan20degrees.

•Reducespeedanduseextremecautionon

slopes.

•Avoidsuddenturnsorrapidspeedchanges.

•Seeinsidethebackcovertodeterminethe

approximateslopeangleoftheareatobemowed.

•Removeormarkobstaclessuchasrocks,tree

limbs,etc.fromthemowingarea.Tallgrasscan

hideobstacles.

•Watchforditches,holes,rocks,dipsandrisesthat

changetheoperatingangle,asroughterraincould

overturnthemachine.

•Avoidsuddenstartswhenmowinguphillbecause

themowermaytipbackwards.

•Beawarethatoperatingonwetgrass,acrosssteep

slopesordownhillmaycausethemowertolose

traction.Lossoftractiontothedrivewheelsmay

resultinslidingandalossofbrakingandsteering.

•Alwaysavoidsuddenstartingorstoppingona

slope.Iftireslosetraction,disengagetheblades

andproceedslowlyofftheslope.

•Followthemanufacturer’srecommendationsfor

wheelweightsorcounterweightstoimprove

stability.

•Useextremecarewithgrasscatchersor

attachments.Thesecanchangethestabilityofthe

machineandcauselossofcontrol.

MaintenanceandStorage

•Disengagedrives,lowerimplement,setparking

brake,stopengineandremovekeyordisconnect

sparkplugwire.Waitforallmovementtostop

beforeadjusting,cleaningorrepairing.

Safety

•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.

CAUTION

Iftheignitionisinthe“ON”positionthere

ispotentialforsparksandengagementof

components.Sparkscouldcauseanexplosion

ormovingpartscouldaccidentallyengage

causingpersonalinjury.

Besureignitionswitchisinthe“OFF”

positionbeforechargingthebattery.

•Keepallguards,shieldsandallsafetydevicesin

placeandinsafeworkingcondition.

•Checkallboltsfrequentlytomaintainproper

tightness.

•Frequentlycheckforwornordeteriorating

componentsthatcouldcreateahazard.

Safety

WARNING

Removingstandardoriginalequipmentparts,

orusingnon-Exmarkreplacementpartsand

accessoriesmayalterthewarranty,traction,and

safetyofthemachine.Failuretouseoriginal

Exmarkpartscouldcauseseriousinjuryordeath.

Replaceallpartsincluding,butnotlimitedto,

tires,belts,andbladeswithoriginalExmark

parts.

WARNING

Hydraulicuidescapingunderpressure

canpenetrateskinandcauseinjury.Fluid

accidentallyinjectedintotheskinmustbe

surgicallyremovedwithinafewhoursbyadoctor

familiarwiththisformofinjuryorgangrenemay

result.

•Ifequipped,makesureallhydraulicuid

hosesandlinesareingoodconditionandall

hydraulicconnectionsandttingsaretight

beforeapplyingpressuretohydraulicsystem.

•Keepbodyandhandsawayfrompinhole

leaksornozzlesthatejecthighpressure

hydraulicuid.

•Usecardboardorpaper,notyourhands,to

ndhydraulicleaks.

•Safelyrelieveallpressureinthehydraulic

systembyplacingthemotioncontrollevers

inneutralandshuttingofftheenginebefore

performinganyworkonthehydraulicsystem.

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

1-303517

1-403005

1-403143

1-413214

1-413327

1-413421

Safety

1-553049

98-5954

103-1798

103-1976

103-2076

103-2103

103–2242

Safety

103–2243

103-4935

109-3148

109-9870

109-9875

116-0404

Safety

117–2718

109-9906

Specications

ModelNumbers

SerialNos:312,000,000andHigher

TTS600PKAE483

Systems

Engine

•EngineSpecications:SeeyourEngineOwner’s

Manual

•EngineOilType:Exmark4–CyclePremium

EngineOil

•RPM:FullSpeed:3600±50RPM(NoLoad)Idle:

1550RPM

TankTypeandRelling

Important:TheLPGtankusedonthismower

isaspecialtankwithinternalbafesdesigned

forthisapplication.

•VerticalTankSpecications:

–TankMaterial:Steel

–Capacity:20lb

–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.RefertotheSafety

section.

Note:Useofa“forklift”typeliquidwithdrawaltank

willresultinicingorfreezingoftheLPGregulator

andpreventtheenginefromoperating.Thismay

alsoresultinpermanentfuelsystemdamageandthe

releaseofhighlyammablepropaneliquidorvapor.

ElectricalSystem

•ChargingSystem:FlywheelAlternator

•ChargingCapacity:15amps

•BatteryType:BCIGroupU1235amps0°F

•BatteryVoltage:12Volt

•Polarity:NegativeGround

•Fuses:Twobladetype,20amptochargingcircuit;

20amptoelectricclutch

SafetyInterlockSystem:

•OperatormusthaveOPC(OperatorPresence

Control)leversheldincontactwithhandle

grips,speedcontrolleverinneutral,andPTO

disengagedtostartengine.ReleaseofOPClevers

willcausetheenginetostopifspeedcontrollever

isnotinneutraland/orPTOisengaged.

•Parkbrakemustbedisengagedtomovespeed

controloutofneutralorenginewillkill.

OperatorControls

SteeringControl:Fingertipdrivecontrollevers

provideindependentspeedcontrol,brakingand

neutraltoeachdrivewheelformovingforwardor

reverse,stopping,andpowerturning.

Transmission

TwinHydrostaticDrive

•TwoHydroGearvariabledisplacementhigh

efciencypumpsindependentlycoupledtotwo

highefciencyParker/Rosswheeldrivemotors.

Specications

•HydraulicOil:UseExmarkPremiumHydroOil.

•HydraulicOilCapacity:2.4qt.(2.2L)

•HydraulicFilterisreplaceablecartridgetype.

P/N109-4180:25microns,10psibypass

(Summeruseabove32°F(0°C))

P/N1-523541:40microns,18psibypass(Winter

usebelow32°F(0°C))

•Speeds:

–0-6.2mph(10.0km/hr)forward.

–0-2.2mph(3.5km/hr)reverse.

•Drivewheelsreleasevalvesallowmachinetobe

movedwhenengineisnotrunning.

WheelDriveSystem

DrivewheelsaredirectcoupledtoParkerwheeldrive

motorswith1inch(25.4mm)taperedshaft.

Tires&Wheels

Drive

FrontCaster

Pneumatic

(Air-Filled)

Semi-

Pneumatic

Quantity

Tread

TurfMasterSmooth

Size16x7.50–89x3.50-4

PlyRating

Pressure

14psi

(97kPa)

CuttingDeck

•CuttingWidth:47.25inches(120.0cm)

•Discharge:Side

•BladeSize:16.25inches(41.3cm)—Quantity:3

•DeckDrive:Manualengagementofbeltwith

over-centerlock.Bladebelttensionisadjustable

viaturnbuckle.

•DeckMounting:Fulloatingdeckisattachedto

out-frontsupportframe,removableforservice.

•DeckDepth:48inchDeck:5.0inches(12.7cm)

•CuttingHeightAdjustment:

Adjustsfrom11/2inches(3.8cm)to41/2

inches(11.4cm)in1/2inch(1.3cm)increments

•MulchingKit:Optional

•Bagger:Optional

Dimensions

OverallWidth:

DeectorUp48.1inches(122.2cm)

DeectorDown58.25inches(148.0cm)

OverallLength:

73.7inches(187.2cm)

OverallHeight:

44.1inches(112.0cm)

TreadWidth:(OutsidetoOutsideof

Tires,Widthwise)

39.4inches(100.1cm)

CurbWeight:

689lb(313kg)

ProductOverview

TorqueRequirements

BoltLocation

Torque

CutterHousingSpindle

Nut

140-145ft-lb

(190-197N-m)

BladeMountingBolt

(lubricatewithanti-seize)

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

EngineDeck/MowerDeck

SupportMountBolts

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

Anti-ScalpRollerNyloc

NutSee

Figure9

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

Anti-ScalpRollerWhizlock

NutSeeFigure9

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

EngineMountingBolts

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

WheelLugNuts

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

WheelHubSlottedNut140-155ft-lb

(190-210N-m)

WheelMotorMounting

Bolts

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

MuferGuardMounting

Bolts

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

ProductOverview

Figure3

1.ParkBrakeLever

3.LPGFuelTank

2.Controls4.Height-of-CutPins

Operation

Note:Determinetheleftandrightsidesofthe

machinefromthenormaloperatingposition.

Controls

OperatorPresenceControl(OPC)

Levers

Locatedontheupperhandleassemblydirectlyabove

thehandlegrips.

Whentheseleversaredepressed,theOPCsystem

sensesthattheoperatorisinthenormaloperator's

position.Whentheleversarereleased,theOPC

systemsensesthattheoperatorhasmovedfromthe

normaloperatingpositionandwillkilltheengineif

eitherthespeedcontrolleverisnotintheneutral

positionorthePTOisengaged.

Figure4

1.OPCLever

3.NeutralLockLatch

2.Rotateneutrallocklatch

downwardforneutral

lockposition

4.DriveLeverinneutral

position

DriveLevers

Locatedoneachsideoftheupperhandleassembly

aheadofandbelowthehandlegrips.

Theseleversindividuallycontrolthespeedand

directionofeachdrivewheel.Whenthespeedcontrol

leverismovedoutoftheneutralpositionandthe

neutrallocklatchesaremovedintothedriveposition,

asshowninFigure4,andthedriveleversarereleased,

thedrivewheelsareengagedintheforwarddirection.

Squeezingthelefthandand/orrighthandlever

causesthelefthandand/orrighthanddrivewheel

respectivelytoslowdown,stop,orreverse,depending

onhowfareachdriveleveris“squeezed”.Squeezing

thedriveleversbeyondtheneutralpositioncauses

thedrivewheelstoengageinthereversedirection

regardlessofthepositionoftheneutrallocklatches

andthespeedcontrollever.

NeutralLockLatches

Locatedontheupperhandleassemblyontheends

ofthehandlegrips.

Theselatchesallowtheoperatortolockthedrive

leversina“neutral”positionwherethedrivewheels

arenotengagedineitheraforwardorreverse

direction.

ThrottleControl

Locatedonthecontrolconsole’srightside.

Thethrottleisusedtocontrolenginespeed.Moving

thethrottlecontrolforwardwillincreaseenginespeed

andmovingittotherearwilldecreaseenginespeed.

Movingthethrottleforwardintothedetentisfull

position.

SpeedControlLever

Locatedinmiddleofcontrolconsole.

Thespeedcontrollevercontrolsthemaximum

forwardspeedandisinnitelyvariablefromneutral

0–6.2mph(10.0km/hr).

Parkbrakemustbedisengagedtomovespeedcontrol

outofneutralorenginewillkill.

ParkBrakeLever

Locatedontheleftsideoftheunitabovethe

hydraulictank.

Thebrakeleverengagestheparkbrakeonthedrive

wheels.

Pulltheleverupandrearwardtoengagethebrake.

Pushtheleverforwardanddowntodisengagethe

brake.

Whenparkingonasteepslope,thewheelsmustbe

chockedorblockedinadditiontothebrakebeing

Operation

engaged.Theunitmustbetieddownandbrake

engagedwhentransporting.

Theparkbrakemustbedisengagedtomovespeed

controloutofneutralorenginewillkill.

Formanualstartengines:Theparkbrakemustbe

disengagedbeforethePTOisengagedortheengine

willkill.

IgnitionSwitch

Locatedontheleftsideofthecontrolconsole.

Theignitionswitchisusedtostartandstopthe

engine.Theignitionswitchhasthreepositions,

“Off”,“On”and“Start”.Insertkeyintoswitch

androtateclockwisetothe“On”position.Rotate

clockwisetothenextpositiontoengagethestarter

(keymustbeheldagainstspringpressureinthis

position).Operatormusthavespeedcontrolleverin

neutral,OPCleversdepressedandPTOdisengaged

tostartengine.Whenenginestarts,releasekey.

FuelValve

LocatedontheLPGfueltank.

Thefuelvalveisusedtoopenandclosethefuel

supplywhenthemachineisnotinuse,during

transporttoandfromthejobsite,andwhenparked

insideawell-ventilatedbuilding.

Rotatethefuelvalveclockwisetoturnoffthefuel.

Rotatefuelvalvecounter-clockwisetoturnonthe

fuel.

DriveWheelReleaseValves

Locatedontheleftrearcornerofthehydrostatic

pumps.

Drivewheelreleasevalvesareusedtoreleasethe

hydro-staticdrivesystemtoallowthemachinetobe

movedbyhandwithouttheenginerunning.

Witha5/8wrench,turnbothvalvesoneturn

counterclockwisetoreleasethedrivesystem.

Turnclockwisetoresetthedrivesystem.DoNot

overtighten.

TrackingAdjustmentKnob

Locatedontheright-handsideoftherearofthefuel

tanksupport.

Theknobcanbeadjustedsothatmachinewill“track”

straightaheadwiththedriveleversreleased.

PTOEngagement

Locatedontheleftsideoftheupperhandle.

Toengagetheblades,pushtheleverforward,oraway

fromtheoperator,untilthelinkagelocksover-center.

Todisengagetheblades,pullthelevertotherear,

ortowardstheoperator.

Formanualstartengines:Theparkbrakemustbe

disengagedbeforethePTOisengagedortheengine

willkill.

LPGCylinderBracket

Thebracketislocatedontheenginedeck.

TheLPGcylinderbracketisusedtofastenthe

removableLPGtanktothemower.

FuelGauge

LocatedontheLPGfueltank.

ThisgaugemonitorstheamountofliquidLPGin

thefueltank.

SafetyPressureReliefValve

LocatedontheLPGfueltank.

Thesafetypressurereliefvalverelievestheexcess

pressureintheLPGtank.

Important:Thisvalvehasaprotectiveplastic

capthatshouldNEVERberemoved.Ifthe

capisdamagedormissing,contacttrainedand

qualiedpersonnelimmediately.

Pre-Start

LPGtankssuppliedfromExmarkDoNotcontain

LPGfuel.HavetheLPGtankslledbytrainedand

qualiedpersonnel.Forbestresults,useclean,fresh

HD5gradepropane.

DoNotallowtheLPGtankstobeoverlled.

OverllingLPGtanksbuildsexcesspressurewithin

thetankwhichcausesthereliefvalvetoopen.

Makesureyouunderstandthecontrols,their

locations,theirfunctions,andtheirsafety

requirements.

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Exmark 312 User manual

Brand: Exmark

Model: 312

Category: Lawnmowers

Type: User manual

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Exmark 312 User manual

Exmark 312 User manual

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