LAZERZ®PROPANE
ForSerialNos.
316,000,000&Higher
PartNo.4502-640Rev.A
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemical
orchemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Theengineinthisproductisnot
equippedwithasparkarrestermufer.Itisa
violationofCaliforniaPublicResourceCode
(CPRC)Section4442touseoroperatethis
engineonanyforest-covered,brush-covered,
orgrass-coveredlandasdenedinCPRC4126.
Otherstatesorfederalareasmayhavesimilar
laws.
Toacquireasparkarresterforyourunit,seeyour
EngineServiceDealer.
Thissparkignitionsystemcomplieswiththe
CanadianstandardICES-002.Cesystèmed’allumage
parètincelledevèhiculeestconformeàlanorme
NMB-002duCanada.
TheenclosedEngineOwner’sManualis
suppliedforinformationregardingTheU.S.
EnvironmentalProtectionAgency(EPA)and
theCaliforniaEmissionControlRegulationof
emissionsystems,maintenanceandwarranty.
KeepthisengineOwner’sManualwithyourunit.
ShouldthisengineOwner’sManualbecome
damagedorillegible,replaceimmediately.
Replacementsmaybeorderedthroughthe
enginemanufacturer.
Labeledpowerratingsaresuppliedbytheengine
manufacturerinaccordancewithSAEtesting
andgross/netpowerratingstandards(J1940,
J1995,J1349).
Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2015ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE68310
2
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,
maintainitsmaximumefciency,andpromotesafe
operation.
Important:Tomaximizesafety,performance,
andproperoperationofthismachine,itis
essentialthatalloperatorscarefullyreadand
fullyunderstandthecontentsoftheOperator’s
manualprovidedwiththeproduct.Safe
operationofExmarkequipmentisessential.
Failuretocomplywiththeoperatinginstructions
orreceivepropertrainingmayresultininjury.
Gotohttp://www.Exmark.comforadditional
safeoperationinformation,suchassafetytips,
trainingmaterials,andOperator’smanuals.
Ifadditionalinformationisneeded,orshould
yourequiretrainedmechanicservice,contactyour
authorizedExmarkequipmentdealerordistributor.
AllExmarkequipmentdealersanddistributorsare
keptinformedofthelatestmethodsofservicing
andareequippedtoprovidepromptandefcient
serviceintheeldorattheirservicestations.They
carryamplestockofservicepartsorcansecurethem
promptlyforyoufromthefactory.
AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.
Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
3
Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals......................13
Specications........................................................19
Systems..........................................................19
Dimensions....................................................21
TorqueRequirements.....................................22
ProductOverview.................................................22
Operation..............................................................23
Controls.........................................................23
Pre-Start.........................................................26
OperatingInstructions...................................26
Transporting..................................................31
Maintenance..........................................................34
RecommendedMaintenanceSchedule(s)............34
PeriodicMaintenance........................................35
CheckEngineOilLevel..................................35
CheckBatteryCharge.....................................35
CheckMowerBlades......................................37
CheckSafetyInterlockSystem........................38
CheckRolloverProtectionsSystems(Roll
Bar)Knobs.................................................38
CheckSeatBelt...............................................39
CheckforLooseHardware.............................39
ServiceAirCleaner.........................................39
ChangeEngineOil.........................................39
CheckHydraulicOilLevel..............................39
CheckTirePressures......................................40
CheckConditionOfBelts...............................40
LubricateGreaseFittings................................40
LubricateDeckLiftPivot...............................41
CheckSparkPlugs..........................................41
CheckLPGTank............................................41
CheckLPGFuelDeliverySystem...................41
CheckHighPressureLinesand
Fittings.......................................................42
DrainVaporizer/Regulator.............................42
CleanVaporizer/Regulator.............................43
RemoveCombustionDeposits.......................43
CheckFuelLockOffAssembly.......................43
ChangeEngineLPGFuelFilters.....................43
ChangeHydraulicSystemFilterand
Fluid..........................................................43
WheelHub-SlottedNutTorque
Specication...............................................44
ThreadLockingAdhesives..............................44
Copper-BasedAnti-seize...............................44
DielectricGrease............................................44
Adjustments......................................................45
DeckLeveling................................................45
PumpDriveBeltTension................................46
DeckBeltTension..........................................46
AdjustingtheParkingBrake............................47
ElectricClutchAdjustment.............................48
MotionControlLinkageAdjustment..............49
MotionControlDamperAdjustment..............50
MotionControlNeutralLockPivot
Adjustment................................................50
MotionControlHandleAdjustment...............51
MotionControlFullForwardTracking
Adjustment................................................51
CasterPivotBearingsPre-Load
Adjustment................................................51
LPGRegulator..............................................52
Cleaning............................................................52
CleanEngineandExhaustSystem
Area...........................................................52
RemoveEngineShroudsandClean
CoolingFins...............................................52
CleanHydroFanCoolingFins........................52
CleanDebrisFromMachine...........................53
CleanGrassBuild-UpUnderDeck.................53
WasteDisposal...............................................53
Troubleshooting....................................................54
Schematics............................................................57
4
Safety
Safety
SafetyAlertSymbol
ThislawnmowermeetsorexceedstheB71.4
specicationsoftheAmericanNationalStandards
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:Indicatesanimminentlyhazardous
situationwhich,ifnotavoided,Willresultindeathor
seriousinjury.
WARNING:Indicatesapotentiallyhazardous
situationwhich,ifnotavoided,Couldresultindeath
orseriousinjury.
CAUTION:Indicatesapotentiallyhazardous
situationwhich,ifnotavoided,Mayresultinminor
ormoderateinjury.
Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizes
generalinformationworthyofspecialattention.
SafeOperatingPractices
Training
WhatisLPG?LPGstandsforliqueedpetroleum
gasandismorecommonlycalledpropane.LPGis
aliquidfuelthatisstoredinatankunderpressure.
Beforetheliquidleavesthetank,itisconvertedinto
avapor.SinceLPGisstoredasbothliquidandgas,
itmayleakfromjointsorconnectionsthatarenot
sealedproperly.LPGbecomesammablewhenitis
mixedwithair.
TheLPGinformationinthisOperator'smanual
isprovidedonlyasaguide.ConsulttheNFPA
58:LiqueedPetroleumGasCodeforadditional
safetyinformation.ThisNationalFireProtection
Association(NFPA)codepertainstothehandling,
storing,transporting,andusageofLPG.
•ReadtheOperator’sManualandothertraining
material.Iftheoperator(s)ormechanic(s)cannot
readthismanual,itistheowner’sresponsibilityto
explainthismaterialtothem;otherlanguagesmay
beavailableonourwebsite.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperate
orservicetheequipment.Localregulationsmay
restricttheageoftheoperator.
•Onlyadultsandmatureteenagersshouldoperate
amower,andevenmatureteenagersshouldhave
adultsupervision.Besureateenager:
1.hasreadandunderstandstheOperator's
Manualandrecognizestherisksinvolved;
2.issufcientlymaturetousecaution;and
3.isofsufcientsizeandweighttooperate
thecontrolscomfortablyandtomanagethe
mowerwithouttakingrisks.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyand
safelyperformthejob.Onlyuseaccessoriesand
attachmentsapprovedbyExmark.
5
Safety
•Wearappropriateclothingincludingsafetyglasses,
substantialfootwear,andhearingprotection.Do
Notoperatewhenbarefootorwhenwearingopen
sandals.Longhair,looseclothingorjewelrymay
gettangledinmovingparts.
CAUTION
Thismachineproducessoundlevelsinexcess
of85dBAattheoperator’searandcancause
hearinglossthroughextendedperiodsof
exposure.
Wearhearingprotectionwhenoperatingthis
machine.
•Inspecttheareawheretheequipmentistobe
usedandremoveallrocks,toys,sticks,wires,
bones,andotherforeignobjectswhichcanbe
thrownbythemachineandmaycausepersonal
injurytotheoperatororbystanders.
DANGER
LPGfuelisextremelyammableandvapors
areexplosive.
AreorexplosionfromLPGfuelcanburn
you,others,andcausepropertydamage.
•Neversmokearoundtank(s)andstay
awayfromanopenameorwherefumes
maybeignitedbyaspark.
•Extinguishallsourcesofsparkorame
whenapproachingLPGtanksormowers.
Thehazardincreasesforenclosedtrailers
orstoragelocationswherevaporleakage
mayoccurandcollect.
•LPGisheavierthanairandmay
accumulateinlowlyingareas,suchas
ditches,drains,orpits.
•LPGtank(s)shouldbelledbytrained
andqualiedpersonnelONLY.
•Nevertamperwithorrepairthetank(s);
contacttrainedandqualiedpersonnel.
•DoNotchangethetank(s)whenthe
engineisrunning.
•Beforedisconnectingthehose(s),purge
allLPGvaporsfromthesystem,by
closingthefuelvalve(s)onALLtanksand
allowingtheenginetorununtilitstops.
•Storethetank(s)awayfromheat,sparks,
oropenames.
•DoNotoperatewithoutentireexhaust
systeminplaceandinproperworking
condition.
6
Safety
DANGER
LPGfuelisextremelyammableandvapors
areexplosive.
•Incaseofretakethefollowingsteps:
1.Ifyoucansafelydoso,stoptheowof
gasasquicklyaspossible.Neverput
outameunlessgascanbeshutoff.
2.NotifytheFireDepartmentandclear
immediateareaofallpeople.
3.Whengasowisstopped,putoutthe
re.Usuallywhenowofgasiscutoff,
rewillautomaticallystop.
4.Ifgasowcannotbeimmediately
stopped,directwaterontankstokeep
themcool,butDoNotputoutre.
•Storagelocationsandtrailersshouldbe
equippedwithatleastoneapproved
portablereextinguisherhavinga
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.
•Contacttrainedandqualiedpersonnelif
tankshowssignsoffrostedareas,makesa
hissingsound,oremitsafoulodor.
•Obtainimmediatemedicalattentionif
contactoccurswithvaporsorliquid.
•Checkthattheoperatorspresencecontrols,
safetyswitches,andshieldsareattachedand
functioningproperly.DoNotoperateunlessthey
arefunctioningproperly.
Inspection
ItisveryimportanttochecktheLPGtankand
componentsforwearorleaks.
Important:Nevercheckforleaksusinganopen
ame.
Important:Neverusebarehandswhen
checkingthettingorvalve.EscapingLPG
vaporandliquidfreezesskinoncontact.
Important:Onlyhandtightentankconnection
tting.Overtighteningbytheuseoftoolsmay
causedamage.Ifhandtighteningdoesnotstop
aleak,contacttrainedandqualiedpersonnel
immediately.
•Beforeeachuse:
–Visuallyinspectthetank,hose,andttingand
bealerttoafoulodorcomingfromthetank.
–TheLPGtankshouldbefreeofdentsor
damage.Ifthetankshowsignsofdentsor
damage,replaceitimmediately.
–Checkthevalveandttingopeningsfordirt
anddebris.
–Slowlyopenthevalveallthewayandlisten
foracontinuoushissfromtheregulator,it
mayindicatealeak.
–LPGhasarotteneggorskunksmelladded
toittohelpdetectagasleak.Ifyoudetect
agasleak:
◊TurnofftheLPGvalveifyoucansafely
doso.
◊Leavethearea.
◊Contacttrainedandqualiedpersonnel
immediately.
–DoNotuseifthehosesareabraded,damaged,
kinked,orattened.
–Makesurethetankissecurelymountedto
themower.Ifthetankisloose,thehoseor
ttingsmayleak.
•Witheachtankchange:
–Checkallgauges,ttings,andvalvesfor
damage.
–Lookfordeterioration,damagedormissing
o-ringsontankconnectiontting.
7
Safety
–InspecttheLPGtankandthefuelconnection
jointforleaks.Usethefollowingprocedure
belowtodetectleaks:
◊Applyanapprovedleakdetectorsolution,
obtainedfromatrainedandqualiedLPG
distributor,orathicknon-ammoniasoapy
watersolution(50%non-ammoniasoap
and50%water).(Aleakdetectorsolution
thatcontainsammoniawillcausethe
ttingstocorrodeandleak.)
◊Usingasmallbrushorspraybottle,apply
thesolutionaroundallthettingsofthe
LPGtankandthefuelconnectionjoint.
◊Slowlyopenthegasvalveahalf-turn.
◊Ifbubblesaredetected,thejointortting
hasaleak.Shutoffthevalve,tighten
theleakingconnection,andslowlyopen
thevalveagain.Ifbubblesstillappear,
DoNotusethetank.Ifitissafetodo
so,removethetankfromyourmower;
otherwise,contacttrainedandqualied
personnelimmediately.
◊Ifnobubblesaredetected,theLPGtank
maybeused.
•Weekly:
–ChecktheentireLPGfueldeliverysystemfor
damageordeterioration.
–ChecktheentireLPGfueldeliverysystemfor
leaksatalljointsusingthesamemethodas
describedintheprevioussection.
–Followalltheinspectionchecksasspeciedin
thetwopreviousinspectionsections.
•TankRequalication:
–USDOT(UnitedStatesDepartmentof
Transportation)regulationsrequireLPGtanks
tobeinspected,requalied,andmarkedwithin
12yearsofthemanufacturedateandona
regularbasisthereafter.Typicallythisoccurs
whenthetankisrelled;contactatrainedand
qualiedLPGtankproviderformoredetails.
–DoNotlltheLPGtankifitisbeyondthe
requalicationperiod.
–DoNotlldamagedorrustedLPGtanks.
Operation
WARNING
Operatingengineparts,especiallythemufer,
becomeextremelyhot.Severeburnscanoccur
oncontactanddebris,suchasleaves,grass,
brush,etc.cancatchre.
•Allowengineparts,especiallythemufer,to
coolbeforetouching.
•Removeaccumulateddebrisfrommuferand
enginearea.
WARNING
Engineexhaustcontainscarbonmonoxide,
whichisanodorlessdeadlypoisonthatcankill
you.
DoNotrunengineindoorsorinasmallconned
areawheredangerouscarbonmonoxidefumes
cancollect.
•Operateonlyindaylightorgoodarticiallight,
keepingawayfromholesandhiddenhazards.
•Lightningcancausesevereinjuryordeath.If
lightningisseenorthunderisheardinthearea,
DoNotoperatethemachine;seekshelter.
•Besurealldrivesareinneutralandparkingbrake
isengagedbeforestartingengine.Useseatbelts
withtherollbarintheraisedandlockedposition.
•Neveroperatethemowerwithdamagedguards,
shields,orcovers.Alwayshavesafetyshields,
guards,switchesandotherdevicesinplaceandin
properworkingcondition.
•Nevermowwiththedischargedeectorraised,
removedoralteredunlessthereisagrass
collectionsystemormulchkitinplaceand
workingproperly.
•DoNotchangetheenginegovernorsettingor
overspeedtheengine.
•Parkmachineonlevelground.Stopengine,wait
forallmovingpartstostop,removekeyand
engageparkingbrake:
–Beforechecking,cleaningorworkingonthe
mower.
–Afterstrikingaforeignobjectorabnormal
vibrationoccurs(inspectthemowerfor
damageandmakerepairsbeforerestarting
andoperatingthemower).
8
Safety
–Beforeclearingblockages.
–Wheneveryouleavethemower.
•Stopengine,waitforallmovingpartstostop,and
engageparkingbrake:
–Beforerefueling.
–Beforedumpingthegrasscatcher.
WARNING
Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.
•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesinplace
andworkingproperly.
•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.
•NEVERcarrypassengers.DONOToperate
themowerwhenpeople,especiallychildren,or
petsareinthearea.
•Bealert,slowdownandusecautionwhen
makingturns.Lookbehindandtothesidebefore
changingdirections.
•Stoptheblades,slowdown,andusecaution
whencrossingsurfacesotherthangrassandwhen
transportingthemowertoandfromtheareato
bemowed.
•Beawareofthemowerdischargepathanddirect
dischargeawayfromothers.
•DoNotoperatethemowerundertheinuence
ofalcoholordrugs.
•Useextremecarewhenloadingorunloadingthe
machineintoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
SlopeOperation
UseExtremecautionwhenmowingand/orturning
onslopesaslossoftractionand/ortip-overcould
occur.Theoperatorisresponsibleforsafeoperation
onslopes.
DANGER
Operatingonwetgrassorsteepslopescancause
slidingandlossofcontrol.Wheelsdroppingover
edges,ditches,steepbanks,orwatercancause
rollovers,whichmayresultinseriousinjury,
deathordrowning.
•DoNotmowslopeswhengrassiswet.
•DoNotmowneardrop-offsornearwater.
•DoNotmowslopesgreaterthan15degrees.
•Reducespeedanduseextremecautionon
slopes.
•Avoidsuddenturnsorrapidspeedchanges.
•Keeptherollbarintheraisedandlocked
positionanduseseatbelt.
•Seeinsidethebackcovertodeterminethe
approximateslopeangleoftheareatobemowed.
•Useawalkbehindmowerand/orahandtrimmer
neardrop-offs,ditches,steepbanksorwater.
(Figure3).
Figure3
1.SafeZone-Usethemowerhereonslopeslessthan15
degrees
2.DangerZone-Useawalkbehindmowerand/orhand
trimmeronslopesgreaterthan15degrees,near
drop-offsandwater.
3.Water
•Removeormarkobstaclessuchasrocks,tree
limbs,etc.fromthemowingarea.Tallgrasscan
hideobstacles.
•Watchforditches,holes,rocks,dipsandrisesthat
changetheoperatingangle,asroughterraincould
overturnthemachine.
•Avoidsuddenstartswhenmowinguphillbecause
themowermaytipbackwards.
9
Safety
•Beawarethatoperatingonwetgrass,acrosssteep
slopesordownhillmaycausethemowertolose
traction.Lossoftractiontothedrivewheelsmay
resultinslidingandalossofbrakingandsteering.
•Alwaysavoidsuddenstartingorstoppingona
slope.Iftireslosetraction,disengagetheblades
andproceedslowlyofftheslope.
•Followthemanufacturer’srecommendationsfor
wheelweightsorcounterweightstoimprove
stability.
•Useextremecarewithgrasscatchersor
attachments.Thesecanchangethestabilityofthe
machineandcauselossofcontrol.
UsingtheRolloverProtectionSystem
(ROPS)
ARolloverProtectionSystem(rollbar)isinstalled
ontheunit.
WARNING
Thereisnorolloverprotectionwhentherollbar
isdown.Wheelsdroppingoveredges,ditches,
steepbanks,orwatercancauserollovers,which
mayresultinseriousinjury,deathordrowning.
•DoNotremovetheROPS.
•Keeptherollbarintheraisedandlocked
positionanduseseatbelt.
•Lowertherollbaronlywhenabsolutely
necessary.
•DoNotwearseatbeltwhentherollbaris
down.
•Driveslowlyandcarefully.
•Raisetherollbarassoonasclearance
permits.
•Becertainthattheseatbeltcanbereleasedquickly
intheeventofanemergency.
•Checkcarefullyforoverheadclearances(i.e.
branches,doorways,andelectricalwires)before
drivingunderanyobjectsandDoNotcontact
them.
•Intheeventofarollover,taketheunittoan
AuthorizedServiceDealertohavetheROPS
inspected.
•ReplaceadamagedROPS.DoNotrepairor
revise.
•Anyaccessories,alterations,orattachmentsadded
totheROPSmustbeapprovedbyExmark.
MaintenanceandStorage
•Disengagedrives,setparkingbrake,stopengine
andremovekeyordisconnectsparkplugwire.
Waitforallmovementtostopbeforeadjusting,
cleaningorrepairing.
•Keepengineandengineareafreefrom
accumulationofgrass,leaves,excessivegrease
oroil,andotherdebriswhichcanaccumulate
intheseareas.Thesematerialscanbecome
combustibleandmayresultinare.
•LetenginecoolbeforestoringandDoNotstore
nearameoranyenclosedareawhereopenpilot
lightsorheatappliancesarepresent.
•Storemowerinawellventilatedoutdoorshelter,
building,ortrailer.
•Closefuelvalvewhenmowerisnotinuse,
includingwhilestoringortransporting.
•Theemptytank(s)shouldbetreatedasifitwas
full.
•Storethetank(s)outsideofbuildingsinanopen
wellventilatedarea,awayfromsparkandames.
•DoNotstorethetank(s)ormachinewith
tank(s)inanareawherethetemperaturecanrise
above120°F(49°C).Ifthetemperatureexceeds
approximately160°F(71°C),thetankwillrelease
highlyammablepropanevapor.SeePreparation
intheSafetySection.
•Storethetank(s)inuprightpositionorwith
pressurereliefvalvetowardsthetop.
•DoNotdrag,drop,orabusethetank(s).
•Storageoftheemptytank(s)shouldfollowlocal
andstateregulations.
•Parkmachineonlevelground.Neverallow
untrainedpersonneltoservicemachine.
•Usejackstandstosupportcomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Disconnectbatteryorremovesparkplugwire
beforemakinganyrepairs.Disconnectthe
negativeterminalrstandthepositivelast.
Reconnectpositiverstandnegativelast.
10
Safety
•Usecarewhencheckingblades.Wraptheblade(s)
orweargloves,andusecautionwhenservicing
them.Onlyreplacedamagedblades.Never
straightenorweldthem.
•Keephandsandfeetawayfrommovingparts.
Ifpossible,DoNotmakeadjustmentswiththe
enginerunning.
•Chargebatteriesinanopenwellventilatedarea,
awayfromsparkandames.Unplugcharger
beforeconnectingordisconnectingfrombattery.
Wearprotectiveclothinganduseinsulatedtools.
DANGER
Chargingorjumpstartingthebatterymay
produceexplosivegases.Batterygasescan
explodecausingseriousinjury.
•Keepsparks,ames,orcigarettesaway
frombattery.
•Ventilatewhenchargingorusingbattery
inanenclosedspace.
•Makesureventingpathofbatteryis
alwaysopenoncebatteryislledwith
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.
WARNING
Removalormodicationoforiginalequipment,
partsand/oraccessoriesmayalterthewarranty,
controllability,andsafetyofthemachine.
Unauthorizedmodicationstotheoriginal
equipmentorfailuretouseoriginalExmark
partscouldleadtoseriousinjuryordeath.
Unauthorizedchangestothemachine,engine,
fuelorventingsystem,mayviolateapplicable
safetystandardssuchas:ANSI,OSHAand
NFPAand/orgovernmentregulationssuchas
EPAandCARB.
WARNING
Hydraulicuidescapingunderpressure
canpenetrateskinandcauseinjury.Fluid
accidentallyinjectedintotheskinmustbe
surgicallyremovedwithinafewhoursbyadoctor
familiarwiththisformofinjuryorgangrenemay
result.
•Ifequipped,makesureallhydraulicuid
hosesandlinesareingoodconditionandall
hydraulicconnectionsandttingsaretight
beforeapplyingpressuretohydraulicsystem.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpaper,notyourhands,to
ndhydraulicleaks.
•Safelyrelieveallpressureinthehydraulic
systembyplacingthemotioncontrollevers
inneutralandshuttingofftheenginebefore
performinganyworkonthehydraulicsystem.
11
Safety
WARNING
Fuelsystemcomponentsareunderhigh
pressure.Theuseofimpropercomponentscan
resultinsystemfailure,fuelleakageandpossible
explosion.
Useonlyapprovedfuellinesandfuelltersfor
highpressuresystems.
12
Safety
SafetyandInstructionalDecals
•Keepallsafetysignslegible.Removeallgrease,
dirtanddebrisfromsafetysignsandinstructional
labels.
•Replaceallworn,damaged,ormissingsafety
signs.
•Whenreplacementcomponentsareinstalled,be
surethatcurrentsafetysignsareafxedtothe
replacedcomponents.
•Ifanattachmentoraccessoryhasbeeninstalled,
makesurecurrentsafetysignsarevisible.
•Newsafetysignsmaybeobtainedfrom
yourauthorizedExmarkequipmentdealeror
distributororfromExmarkMfg.Co.Inc.
•Safetysignsmaybeafxedbypeelingoffthe
backingtoexposetheadhesivesurface.Apply
onlytoaclean,drysurface.Smoothtoremove
anyairbubbles.
•Familiarizeyourselfwiththefollowingsafetysigns
andinstructionlabels.Theyarecriticaltothesafe
operationofyourExmarkcommercialmower.
99-8936
1.Machinespeed4.Neutral
2.Fast5.Reverse
3.Slow
106-2655
1.Warning-donottouchorapproachmovingbelts;
removetheignitionkeyandreadtheinstructionsbefore
servicingorperformingmaintenance.
106-5517
1.Warning—donottouchthehotsurface.
13
Safety
107-3069
1.Warning-thereisnorolloverprotectionwhentherollbar
isdown.
2.Toavoidinjuryordeathfromarolloveraccident,keep
therollbarinthefullyraisedandlockedposition
andweartheseatbelt.Lowertherollbaronlywhen
absolutelynecessary;donotweartheseatbeltwhen
therollbarisdown.
3.ReadtheOperator’smanual;driveslowlyandcarefully.
109-6036
1.ReadtheOperator’smanual
2.Removetheignitionkeyandreadtheinstructionsbefore
servicingorperformingmaintenance.
3.Heightofcut
112-9028
1.Warning—stayawayfrommovingparts;keepallguards
inplace.
114-4465
1.Hydraulicuidservice
interval—50hours
4.ReadtheOperator's
Manualbefore
servicingorperforming
maintenance
2.Tirepressureservice
interval—50hours
5.Lubricateservice
interval—50hours
3.Lubricateservice
interval—500hours
14
Safety
114-4466
1.Main,25A
3.Charge,25A
2.PTO,10A
4.Auxiliary,15A
116-3446
1.Battery4.Parkingbrake
2.Hourmeter5.Neutral
3.PTO6.Operatorpresence
switch
116-4858
116-5988
1.Parkingbrake—engaged2.Parking
brake—disengaged
116-8283
1.Warning—readtheOperator'sManualforinstructions
ontorquingthebladebolt/nutto55-60ft-lb(75-81N-m).
116-8725
1.Throttle-fast3.PTO
2.Throttle-slow
4.Checkengine
116-8726
1.ReadtheOperator’sManualforrecommendedhydrooil.
15
Safety
116-8727
126-2055
1.Wheellugnuttorque95ft-lb(129N-m)(4x)
2.Wheelhubnuttorque235ft-lb(319N-m)
3.ReadandunderstandtheOperator’smanualbefore
performinganymaintenance,checktorqueafterrst
100hoursthenevery500hoursthereafter.
126-4398
1.ReadtheOperator’s
manual
3.Unlock
2.Lock
126-3275
1.Danger-LPGfuelisextremelyammableandvapors
areexplosive.
2.ReadtheOperator’smanual.ConsultNFPA58:
LiqueedPetroleumGasCodeforadditionalsafety
information.
3.DoNOTsmokeorreplacetank(s)aroundsourcesof
fuelignition.
4.DoNOTattempttorepairormodifythetankorits
components.Contacttrainedandqualiedperson.
ONLYuseLPGSystemManufacturerapprovedLPG
tank(s),ttings,andhosesthatweredesignedforthe
unit.
5.Closefuelvalvewhenmowerisnotinuse,instorage,
ortransporting.
6.AvoidcontactwithLPGfuel.Escapingvaporsand
liquidsfreezesskinoncontact.
126-6464
1.Thrownobjectshazard
-keepbystandersa
safedistancefromthe
machine
3.Cutting/dismemberment
ofhandorfoot-stay
awayfrommovingparts;
keepallguardsand
shieldsinplace.
2.Thrownobjectshazard,
mower-donotoperate
withoutthedeector,
dischargecoverorgrass
collectionsystemin
place.
16
Safety
126-4553
PTOSwitchSymbols
1.PTO–disengage2.PTO–engage
126-3277
1.IMPORTANT :Onlyusereplacementtank(s)thatarefree
ofdentsordamage.Matchsizeandtyperequiredontank
specicationdecal.
7.Removeemptytank(s).Checkvalveandttingsfordebris
ordamagedo-rings.
2.Stopthemachineonalevelsurface,disengagePTO,and
engageparkingbrake.
8.Installfullreplacementtank(s)byaligningcenterholeon
tankcollarovermountingtab.
3.Closethefuelvalve(s)onALLtanksbyrotatingclockwise,
continuetorunengine.
9.Latchbracket(s)andensuretank(s)issecurelyfastened
tomower.
4.Whentheenginestops,removekey.
10.Re-connectfuelhose(s).
5.DisconnectLPGfuelhose(s).11.Slowlyopenfuelvalve(s)counterclockwisetoequalize
pressure.Checkforleaks.
6.Unlatchcylinderbracket(s).
17
Safety
132-0871
1.Warning—readtheOperator’sManual;donotoperatethis
vehicleunlessyouaretrained;wearhearingprotection.
4.Ramphazard—whenloadingontoatrailer,donotuse
dualramps;onlyuseasingularrampwideenoughforthe
machineandthathasaninclinelessthan15degrees;
backuptheramp(inreverse)anddriveforwardoffthe
ramp.
2.Cuttingandpinchinghazard—keephandsandfeetaway
frommovingparts;keepallguardsandshieldsinplace.
5.Bodilyharmhazard—lookbehindyouwhenmowingin
reverse.
3.Thrownobjecthazard—keepbystandersaway.6.Tippinghazardonslopes—donotuseonslopesnear
openwater;donotuseonslopesgreaterthan15degrees.
18
Specications
Specications
Systems
Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•EngineOilType:Exmark4–CyclePremium
EngineOil
•RPM:FullSpeed:3750±50RPM(PTOnot
engaged)Idle:1500±100RPM
TankTypeandRelling
Important:TheLPGtankusedonthismower
isaspecialtankwithinternalbafesdesigned
forthisapplication.
•HorizontalTankSpecications:
–TankMaterial:Aluminum
–Capacity:43.5lb
–DisconnectCoupling:LHACMEThreaded
–FuelWithdrawal:Vapor
–FuelShut-OffValve:Rotateclockwiseto
close.
•TypeofFuel:HD5gradepropane
•Newtanksmustbeproperlylledbytrainedand
qualiedpersonnel.
•OnlyusetanksrecommendedbyExmark.Failure
todosowillresultinimproperoperationofthe
fuelsystem.
CAUTION
Undernocircumstancesshouldpropane
tankslledbeyond80%capacitybeusedin
service.
Theuseofoverlledtanksmayresultinthe
releaseofhighlyconcentratedandextremely
ammableliquidpropane.RefertotheSafety
section.
Note:Useofa“forklift”typeliquidwithdrawaltank
willresultinicingorfreezingoftheLPGregulator
andpreventtheenginefromoperating.Thismay
alsoresultinpermanentfuelsystemdamageandthe
releaseofhighlyammablepropaneliquidorvapor.
ElectricalSystem
•ChargingSystem:FlywheelAlternator
•ChargingCapacity:20amps
•BatteryType:BCIGroupU1
•RecommendedMinimumBatteryCCA:260CCA
•BatteryVoltage:12Volt
•LowVoltageLight—RHcontrolpanel
•Polarity:NegativeGround
•Fuses:
–25ampmainfuse
–25ampchargingsystemfuse
–10ampPTOfuse
–15ampaccessoryfuse
SafetyInterlockSystem
•LCDindicatorsappearforthePTO,parkbrake,
drivelevers,andoperatorpresenceinthemessage
displayontheRHcontrolpanel.
•PTOmustbedisengaged,brakeengaged,and
motioncontrolleversout(neutrallock)tostart
engine.(Itisnotnecessaryfortheoperatortobe
intheseattostarttheengine.)
•OperatormustbeinseatwhenPTOisengaged,
brakeisdisengaged,ormotioncontrolleversare
movedinorenginewillstop.
•Enginewillstopifeithertheleft,theright,or
bothleversaremovedfromneutrallockposition
whilebrakeisengaged.
OperatorControls
•SteeringandMotionControl:
Note:Motioncontrolleversareadjustableto
twoheights.
–Separatelevers,oneachsideoftheconsole,
controlspeedanddirectionoftravelofthe
respectivedrivewheels.
–Steeringiscontrolledbyvaryingtheposition
oftheleversrelativetoeachother.
–Movingmotioncontrolleversoutward(in
slots)locksthedrivesysteminneutral.
•PTOEngagementSwitch:Engageselectricclutch
(todrivebelt)whichengagesmowerblades.
•ParkingBrakeLever:Engagesparkingbrake.
•ParkingBrakeReleaseButton:Releasesparking
brake.
19
Specications
•DeckHeightAdjustmentLever:Setscutting
heighttodesiredposition.
•DeckLiftPedal:Footpedalthatliftsdeck.
•TransportLock:
–Latchingposition:Automaticallylatchesat
thetransportposition.
–Unlatchingposition:Deckdoesnotlatchat
thetransportposition.
Seat
•Type:Standardseatwithhighback,extra
widefoampaddedseatcushionwithinternal
suspension,thickbolstering,armrests,integral
safetyswitch.
Optionalseataccessories:
–Customridesuspensionsystemtoenhance
StandardSeat.Addsapproximately3inches
(7.6cm)toseatheight.
–Deluxesuspensionseatwithhighback,low
prolefoam-in-placecushion(dampened,
adjustablespringsuspension),armrests,and
integralsafetyswitch.Seatheightremainsthe
same.
–SeatIsolationSystemforreducedvibration,
toenhancerideofstandardseat,standardseat
withCustomRideSeatSuspensionorDeluxe
SuspensionSeat.Addsapproximately1inch
(2.5cm)toseatheight.
•Mounting:Adjustableforeandaftonseattracks.
–Armrests:Foampaddedadjustableip-up
armrests.
–SeatSafetySwitch:Integratedseatswitch.
Timedelayseatswitcheliminatesrough
groundcut-outs.
HydrostaticGroundDriveSystem
•Twounitizedhydrostatictransmissions:
–12ccParkeraxialpistonpump
–240ccParkergerolermotor
•HydraulicOilType:ExmarkPremiumHydrooil.
•HydraulicOilCapacity:52oz(1.5L)perside
•HydraulicFilter:P/N116-0164
•Speeds:
–0-10mph(16.1km/hr)forward.
–0-5.5mph(8.9km/hr)reverse.
•Drivewheelreleasevalvesallowmachinetobe
movedwhenengineisnotrunning.
Tires&Wheels
DriveFrontCaster
Pneumatic(Air
lled)
Semi-Pneumatic
Quantity
22
Tread
“Multi-Trac
C/S”
Smooth
Size24x12.00-1213x6.50-6
PlyRating
4
—
Pressure
13psi(90kPa)
—
CuttingDeck
•CuttingWidth:
–52inchDeck:(132.1cm)
–60inchDeck:(152.4cm)
–72inchDeck:(182.9cm)
•Discharge:Side
•BladeSize:(3ea.)
–52inchDeck:18.00inches(45.7cm)
–60inchDeck:20.50inches(52.1cm)
–72inchDeck:24.50inches(62.2cm)
•BladeSpindles:Solidsteelspindleswith1.00inch
(25mm)I.D.bearings.
•DeckDrive:
Electricclutch.Shaftdiameter1.125inches(2.86
cm)
5VSectionbeltwithself-tensioningidler.
•Deck:
Fulloatingdeckisattachedtoout-frontsupport
frame.Anti-scalprollersprovidemaximumturf
protection.Deckdesignallowsforbagging,
mulchingorsidedischarge.
–52inchDeck:3anti-scalprollers
–60inchDeck:4anti-scalprollers
–72inchDeck:6anti-scalprollers
•DeckDepth:
–52inchDeck:5.5inches(14cm)
20
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