Exmark LAZER Z D-SERIES, lazer Z DS series, LAZER Z LZD25KD605, LAZER Z LZD25KD725 Operator's Manual

Page 1
LAZERZ®D-SERIES
ForSerialNos. 920,000&Higher LazerZ(LZD)Units
PartNo.4500-919Rev.A
Page 2
WARNING
CALIFORNIA
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Important:Theengineinthisproductisnot equippedwithasparkarrestermufer.Itisa violationofCaliforniaPublicResourceCode (CPRC)Section4442touseoroperatethis engineonanyforest-covered,brush-covered,or grass-coveredlandasdenedinCPRC4126. 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.
Exmarkreservestherighttomakechangesor addimprovementstoitsproductsatanytime withoutincurringanyobligationtomakesuch changestoproductsmanufacturedpreviously. Exmark,oritsdistributorsanddealers,accept noresponsibilityforvariationswhichmaybe evidentintheactualspecicationsofitsproducts andthestatementsanddescriptionscontained inthispublication.
©2011ExmarkMfg.Co.,Inc. IndustrialParkBox808 Beatrice,NE68310
2
Contactusatwww.Exmark.com.
PrintedintheUSA
AllRightsReserved
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Introduction
CONGRATULATIONSonthepurchaseofyour ExmarkMower.Thisproducthasbeencarefully designedandmanufacturedtogiveyouamaximum amountofdependabilityandyearsoftrouble-free operation.
Thismanualcontainsoperating,maintenance, adjustment,andsafetyinstructionsforyourExmark mower.
BEFOREOPERATINGYOURMOWER, CAREFULLYREADTHISMANUALINITS ENTIRETY.
Byfollowingtheoperating,maintenance,andsafety instructions,youwillprolongthelifeofyourmower, maintainitsmaximumefciency ,andpromotesafe operation.
Ifadditionalinformationisneeded,orshouldyou requiretrainedmechanicservice,contactyour authorizedExmarkequipmentdealerordistributor. Exmarkpartsmanualsareavailableonlineat http://www.exmark.com/manuals.htm
AllExmarkequipmentdealersanddistributorsare keptinformedofthelatestmethodsofservicing andareequippedtoprovidepromptandefcient serviceintheeldorattheirservicestations.They carryamplestockofservicepartsorcansecurethem promptlyforyoufromthefactory.
AllExmarkpartsarethoroughlytestedandinspected beforeleavingthefactory,however,attentionis requiredonyourpartifyouaretoobtainthefullest measureofsatisfactionandperformance.
Wheneveryouneedservice,genuineExmarkparts, oradditionalinformation,contactanAuthorized ServiceDealerorExmarkCustomerServiceandhave themodelandserialnumbersofyourproductready .
Figure1identiesthelocationofthemodelandserial numbersontheproduct.Writethenumbersinthe spaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
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Contents
Introduction...........................................................3
Safety.....................................................................5
SafetyAlertSymbol.........................................5
SafeOperatingPractices..................................5
SafetyandInstructionalDecals.....................11
Specications.......................................................17
ModelNumbers............................................17
Systems.........................................................17
Dimensions...................................................19
TorqueRequirements....................................19
ProductOverview................................................20
Operation.............................................................20
Controls........................................................20
Pre-Start........................................................22
OperatingInstructions..................................23
Transporting.................................................27
Maintenance.........................................................28
RecommendedMaintenanceSchedule(s)...........28
PeriodicMaintenance.......................................29
CheckEngineOilLevel.................................29
CheckBatteryCharge....................................29
CheckMowerBlades.....................................31
CheckSafetyInterlockSystem.......................32
CheckRolloverProtectionsSystems(Roll
Bar)Pins...................................................32
CheckSeatBelt..............................................32
CheckforLooseHardware............................32
ServiceAirCleaner........................................32
ChangeEngineOil........................................33
CheckHydraulicOilLevel.............................33
CheckTirePressures.....................................33
CheckConditionOfBelts..............................34
LubricateGreaseFittings...............................34
WheelHub-SlottedNutTorque
Specication..............................................35
LubricateBrakeHandlePivot........................35
LubricateBrakeRodBushings.......................35
LubricateMotionControlBronze
Bushings...................................................36
DrainFuelFilter/WaterSeparator..................36
ChangeFuelFilter/WaterSeparator...............36
ChangeHydraulicSystemFilter.....................36
CheckEngineCoolantLevel..........................37
ChangeEngineCoolant.................................37
CheckSparkArrester(ifequipped).................38
ThreadLockingAdhesives.............................38
MobilHTSGrease(OrFood-Grade
Anti-seize).................................................39
Copper-BasedAnti-seize..............................39
DielectricGrease...........................................39
Adjustments.....................................................39
DeckLeveling...............................................39
PumpDriveBeltTension...............................40
DeckBeltTension.........................................40
MuleDriveBeltTensionAdjustment.............40
AlternatorBeltTension.................................41
BeltGuideAdjustment..................................41
ParkingBrakeAdjustment.............................41
ElectricClutchAdjustment............................43
ReverseIndicatorAdjustment........................44
MotionControlLinkageAdjustment.............44
MotionControlDamperAdjustment.............46
CasterPivotBearingsPre-Load
Adjustment...............................................46
Cleaning...........................................................47
CleanEngineCoolingSystem........................47
CleanEngineandExhaustSystem
Area..........................................................47
CleantheRadiator.........................................47
CleanDebrisFromMachine..........................48
CleanGrassBuild-UpUnderDeck................48
WasteDisposal..............................................48
Troubleshooting...................................................49
Schematics...........................................................52
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Safety
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
ReadtheOperator’sManualandothertraining material.Iftheoperator(s)ormechanic(s)can notreadEnglishitistheowner’sresponsibilityto explainthismaterialtothem.
Becomefamiliarwiththesafeoperationofthe equipment,operatorcontrols,andsafetysigns.
Alloperatorsandmechanicsshouldbetrained. Theownerisresponsiblefortrainingtheusers.
Neverletchildrenoruntrainedpeopleoperate orservicetheequipment.Localregulationsmay restricttheageoftheoperator.
Onlyadultsandmatureteenagersshouldoperate amower,andevenmatureteenagersshouldhave adultsupervision.Besureateenager:
1.hasreadandunderstandstheOperator’s
Manualandrecognizestherisksinvolved;
2.issufcientlymaturetousecaution;and
3.isofsufcientsizeandweighttooperate
thecontrolscomfortablyandtomanagethe mowerwithouttakingrisks.
Theowner/usercanpreventandisresponsible foraccidentsorinjuriesoccurringtohimselfor herself,otherpeopleorproperty.
Preparation
Evaluatetheterraintodeterminewhataccessories andattachmentsareneededtoproperlyand safelyperformthejob.Onlyuseaccessoriesand attachmentsapprovedbyExmark.
Wearappropriateclothingincludingsafetyglasses, substantialfootwear,longtrousers,andhearing protection.DoNotoperatewhenbarefootor whenwearingopensandals.Longhair,loose clothingorjewelrymaygettangledinmoving parts.
CAUTION
Thismachineproducessoundlevelsinexcess of85dBAattheoperator’searandcancause hearinglossthroughextendedperiodsof exposure.
Wearhearingprotectionwhenoperatingthis machine.
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Safety
Inspecttheareawheretheequipmentistobe usedandremoveallrocks,toys,sticks,wires, bones,andotherforeignobjectswhichcanbe thrownbythemachineandmaycausepersonal injurytotheoperatororbystanders.
DANGER
Incertainconditionsdieselfuelisextremely ammableandvaporsareexplosive.
Areorexplosionfromdieselfuelcanburn you,others,andcausepropertydamage.
Fillthefueltankoutdoorsonlevelground, inanopenarea,whentheengineiscold. Wipeupanydieselfuelthatspills.
Neverrellthefueltankordrainthe machineindoorsorinsideanenclosed trailer.
DoNotllthefueltankcompletelyfull. Fillthefueltanktothebottomoftheller neck.Theemptyspaceinthetankallows dieselfueltoexpand.Overllingmay resultinfuelleakageordamagetothe engineoremissionsystem.
Neversmokewhenhandlingdieselfuel, andstayawayfromanopenameor wheredieselfuelfumesmaybeignitedby spark.
Storedieselfuelinanapprovedcontainer andkeepitoutofthereachofchildren.
Addfuelbeforestartingtheengine.Never removethecapofthefueltankoradd fuelwhenengineisrunningorwhenthe engineishot.
Iffuelisspilled,DoNotattempttostart theengine.Moveawayfromtheareaof thespillandavoidcreatinganysourceof ignitionuntilfuelvaporshavedissipated.
DoNotoperatewithoutentireexhaust systeminplaceandinproperworking condition.
WARNING
Dieselfuelisharmfulorfatalifswallowed. Long-termexposuretovaporshascaused cancerinlaboratoryanimals.Failuretouse cautionmaycauseseriousinjuryorillness.
Avoidprolongedbreathingofvapors.
Keepfaceawayfromnozzleandgas tank/containeropening.
Keepawayfromeyesandskin.
Neversiphonbymouth.
Checkthattheoperator’spresencecontrols, safetyswitches,andshieldsareattachedand functioningproperly.DoNotoperateunlessthey arefunctioningproperly.
Operation
WARNING
Operatingengineparts,especiallythemufer, becomeextremelyhot.Severeburnscanoccur oncontactanddebris,suchasleaves,grass, brush,etc.cancatchre.
Allowengineparts,especiallythemufer,to coolbeforetouching.
Removeaccumulateddebrisfrommufer andenginearea.
Installandmaintaininworkingordera sparkarresterbeforeusingequipment onforest-covered,grass-covered,or brush-coveredunimprovedland.
WARNING
Engineexhaustcontainscarbonmonoxide, whichisanodorlessdeadlypoisonthatcankill you.
DoNotrunengineindoorsorinasmallconned areawheredangerouscarbonmonoxidefumes cancollect.
Operateonlyindaylightorgoodarticiallight, keepingawayfromholesandhiddenhazards.
Besurealldrivesareinneutralandparkingbrake isengagedbeforestartingengine.Useseatbelts withtherollbarintheraisedandlockedposition.
Neveroperatethemowerwithdamagedguards, shields,orcovers.Alwayshavesafetyshields,
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Safety
guards,switchesandotherdevicesinplaceandin properworkingcondition.
Nevermowwiththedischargedeectorraised, removedoralteredunlessthereisagrass collectionsystemormulchkitinplaceand workingproperly.
DoNotchangetheenginegovernorsettingor overspeedtheengine.
Parkmachineonlevelground.Stopengine,wait forallmovingpartstostop,removekeyand engageparkingbrake:
–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.
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).
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Safety
Figure3
1.SafeZone-Usethemowerhereonslopeslessthan15 degrees
2.DangerZone-Useawalkbehindmowerand/orhand trimmeronslopesgreaterthan15degrees,near drop-offsandwater.
3.Water
Removeormarkobstaclessuchasrocks,tree limbs,etc.fromthemowingarea.Tallgrasscan hideobstacles.
Watchforditches,holes,rocks,dipsandrisesthat changetheoperatingangle,asroughterraincould overturnthemachine.
Avoidsuddenstartswhenmowinguphillbecause themowermaytipbackwards.
Beawarethatoperatingonwetgrass,acrosssteep slopesordownhillmaycausethemowertolose traction.Lossoftractiontothedrivewheelsmay 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.
Keeptherollbarintheraisedandlocked positionanduseseatbelt.
Lowertherollbaronlywhenabsolutely necessary.
DoNotwearseatbeltwhentherollbaris down.
Driveslowlyandcarefully.
Raisetherollbarassoonasclearance permits.
Checkcarefullyforoverheadclearances(i.e. branches,doorways,andelectricalwires)before drivingunderanyobjectsandDoNotcontact them.
Intheeventofarollover,taketheunittoan AuthorizedServiceDealertohavetheROPS inspected.
MaintenanceandStorage
Disengagedrives,lowerimplement,setparking brake,stopengineandremovekeyordisconnect sparkplugwire.Waitforallmovementtostop beforeadjusting,cleaningorrepairing.
Keepengineandengineareafreefrom accumulationofgrass,leaves,excessivegrease oroil,andotherdebriswhichcanaccumulate intheseareas.Thesematerialscanbecome combustibleandmayresultinare.
LetenginecoolbeforestoringandDoNotstore nearameoranyenclosedareawhereopenpilot lightsorheatappliancesarepresent.
Shutofffuelwhilestoringortransporting.Do Notstorefuelnearamesordrainindoors.
Parkmachineonlevelground.Neverallow untrainedpersonneltoservicemachine.
Usejackstandstosupportcomponentswhen required.
Carefullyreleasepressurefromcomponentswith storedenergy.
Disconnectbatteryorremovesparkplugwire beforemakinganyrepairs.Disconnectthe
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Safety
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 ispotentialforsparksandengagement ofcomponents.Sparkscouldcausean explosionormovingpartscouldaccidentally engagecausingpersonalinjury.
Besureignitionswitchisinthe“OFF” positionbeforechargingthebattery.
Keepallguards,shieldsandallsafetydevicesin placeandinsafeworkingcondition.
Checkallboltsfrequentlytomaintainproper tightness.
Frequentlycheckforwornordeteriorating componentsthatcouldcreateahazard.
WARNING
Removingstandardoriginalequipmentparts andaccessoriesmayalterthewarranty,traction, andsafetyofthemachine.Failuretouseoriginal Exmarkpartscouldcauseseriousinjuryor death.Makingunauthorizedchangestothe engine,fuelorventingsystem,mayviolateEP A andCARBregulations.
Replaceallpartsincluding,butnotlimitedto, tires,belts,blades,andfuelsystemcomponents withoriginalExmarkparts.
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Safety
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.
WARNING
Fuelsystemcomponentsareunderhigh pressure.Theuseofimpropercomponentscan resultinsystemfailure,fuelleakageandpossible explosion.
Useonlyapprovedfuellinesandfuelltersfor highpressuresystems.
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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
1-513748
1-633706
98-5954
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Safety
103-0223
103-0261
103-1798
103-2076
103-7218
107-2102
12
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Safety
109-0872
109-1214
109-1215
109-1399
109-2219
109-2263
13
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Safety
109-2264
109-2478
109-2951
109-3148
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Safety
116-0127
116-0404
116-0997
116-2643
116-3303
116-5074
116-5185
1.PTO–engage2.PTO–disengage
117–2718
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Safety
19426-87881
19426-87903
107-9866
1.Fast3.Neutral
2.Slow
4.Reverse
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Specications
Specications
ModelNumbers
SerialNos:920,000andHigher
LZD25KD605;LZD25KD725
Systems
Engine
EngineSpecications:SeeyourEngineOwner’s Manual
EngineOilType:Exmark4–CyclePremium EngineOil
RPM:FullSpeed:3850±50RPM(PTOnot engaged)Idle:1400±100RPM
FuelSystem
Capacity:15.5gal.(58.6L)
TypeofFuel:Dieselfuel,40cetaneorhigheror biodieseluptoB20(20%biodiesel,80%petro diesel).
FuelFilter:In-line113Micron ExmarkP/N112-7836.
FuelShut-OffValve:1/4turnincrements (“OFF”,righttank,lefttank,)
Fuelgaugeinlefthandfueltank.
ElectricalSystem
ChargingSystem:ExternalAlternator
ChargingCapacity:60amps
BatteryType:BCIGroup26
BatteryVoltage:12Volt
Polarity:NegativeGround
Fuses:One20ampbladetype;One30ampblade type
SafetyInterlockSystem
PTOmustbedisengaged,brakeengaged,and motioncontrolleversout(neutrallock)tostart engine.(Itisnotnecessaryfortheoperatortobe intheseattostarttheengine.)
OperatormustbeinseatwhenPTOisengaged, brakeisdisengaged,ormotioncontrolleversare movedinorenginewillstop.
Enginewillstopifeithertheleft,theright,or bothleversaremovedfromneutrallockposition whilebrakeisengaged.
EngineOverheatProtectionSystem
PTOwilldisengage,analarmwillsound,andthe coolanttemperaturegaugewillbeintheredarea whentheenginetemperaturereachesanoverheat condition.ThePTOwillnotre-engageuntilthe enginehascooledandthePTOswitchismanually shut-offandre-engaged.
Note:Iftheenginecoolantlevelisbelowthe indicatorlineontheoverowbottlewhenthe engineiscold,thecoolanttemperaturegaugemay notregistercorrectlyduringoperationand/or thewarningbuzzermaynotsoundiftheengine overheats.RefertoCheckEngineCoolantLevel inMaintenance.
CoolingSystem
Fan:Electricwithcontinuousoperationwith enginerunning.
CoolantLiquid:50/50mixofDexCool© extendedlifeantifreezeandwater.
CoolantCapacity:4quarts
OperatorControls
SteeringandMotionControl:
Note:Motioncontrolleversareadjustableto twoheights.
–Separatelevers,oneachsideoftheconsole,
controlspeedanddirectionoftravelofthe respectivedrivewheels.
–Steeringiscontrolledbyvaryingtheposition
oftheleversrelativetoeachother.
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Specications
–Movingmotioncontrolleversoutward(in
slots)locksthedrivesysteminneutral.
PTOEngagementSwitch:Engageselectricclutch (todrivebelt)whichengagesmowerblades.
ParkingBrakeLever:Engagesparkingbrake.
DeckHeightAdjustmentLever:Setscutting heighttodesiredposition.
DeckLiftAssistPedal:Footpedalthatassistsin raisingthedeck.
Seat
Type:Deluxesuspensionseathighback,low prolefoam-in-placecushion(dampened, adjustablespringsuspension)andarmrests, adjustablebackangle.
Mounting:Hingedtotiltupforaccessto hydraulicpumps,batteryandothercomponents. Heldintiltedpositionwithscissor—typelinks. Adjustableforeandaftseattrack.
Armrests:Moldedadjustableip-uparmrests.
SeatSafetySwitch:Integratedseatswitch. Timedelayseatswitcheliminatesroughground cut-outs.
HydrostaticGroundDriveSystem
HydrostaticPumps:TwoHydroGearPW variabledisplacementpistonpumps.
WheelMotors:TwoParker/Rosswith11/4inch taperedshafts.
HydraulicOilType:ExmarkPremiumHydrooil.
HydraulicOilCapacity:5.5qt.(5.2L)
HydraulicFilter:Replaceablecartridgetype.
P/N103-2146:25microns,Nobypass
Speeds:
–0-12.0mph(19.3km/hr)forward. –0-8.0mph(12.9km/hr)reverse.
Drivewheelreleasevalvesallowmachinetobe movedwhenengineisnotrunning.
Tires&Wheels
DriveFrontCaster
Pneumatic (Air-Filled)
Semi-Pneumatic
DeckSize
60,66,&72
AllDecks
Quantity
22
DriveFrontCaster
TreadSize
“Multi-Trac C/S”
Smooth
Size26x12.00-1213x6.50-6
PlyRating
4
Pressure
10psi(69kPa)
CuttingDeck
CuttingWidth:
–60inch(152.4cm)
–72inch(182.9cm)
Discharge:Side
BladeSize:(3ea.)
–60inchDeck:20.75inches(52.7cm)
–72inchDeck:24.75inches(62.9cm)
BladeSpindles:Solidsteelspindleswith1.18inch (30mm)I.D.bearings.
DeckDrive:
–Electricclutchmountedonhorizontalengine
shaft.“B”Sectionbelt(withself-tensioning idler)fromelectricclutchtotransfershaft mountedondeck.
–Bladesaredrivenbyone“B”Sectionbelt
(w/self-tensioningidler)fromtransfershaft ondecktobladespindles.
Deck:
Fulloatingdeckisattachedtoout-frontsupport frame.Sixanti-scalprollersprovidemaximum turfprotection.Deckdesignallowsforbagging, mulchingorsidedischarge.
DeckDepth:
–60inchDeck:6.0inches(15.2cm)
–72inchDeck:6.0inches(15.2cm)
CuttingHeightAdjustment:
Anextra-longcushionedleverisusedtoadjust thecuttingheightfrom1inch(2.5cm)to5inches (12.7cm)in1/4inch(6.4mm)increments.The cuttingheightadjustmenthandlehasatransport positionandalladjustmentscanbemadewhile theoperatorremainsseated.Unitsalsohavea footoperateddeckliftassistlevertoaidinraising thedeck.
MulchingKit:Optional.
18
Page 19
Specications
Dimensions
OverallWidth:
60inchDeck72inchDeck
WithoutDeck53.5inches
(135.9cm)
61.5inches (156.2cm)
DeectorUp61.4inches
(156.0cm)
74.3inches (188.7cm)
DeectorDown72.8inches
(184.9cm)
85.8inches (217.9cm)
OverallLength:
60inchDeck72inchDeck
RollBar-Up81.9inches
(208.0cm)
85.8inches (217.9cm)
RollBar-Down92.5inches
(235.0cm)
96.4inches (244.9cm)
OverallHeight:
RollBar-UpRollBar-Down
72.7inches(184.7cm)53.8inches(136.7cm)
TreadWidth:(CentertoCenterof Tires,Widthwise)
60inchDeck72inchDeck
DriveWheels41.9inches
(106.4cm)
45.9inches (116.6cm)
CasterWheels37.3inches(94.7
cm)
47.3inches (120.1cm)
WheelBase:(CenterofCasterTireto CenterofDriveTire)
60inchDeck72inchDeck
56.0inches(142.2cm)60.2inches(152.9cm)
CurbWeight:
60inchDeck72inchDeck
1545lb(701kg)1645lb(746kg)
TorqueRequirements
BoltLocation
Torque
BladeDriveSheave MountingNut
90-110ft-lb(122-149N-m)
CutterHousingSpindle Nut
160-185ft-lb(217-251 N-m)
BladeMountingBolt (lubricatewithanti-seize)
55-60ft-lb(75-81N-m)
EngineDeck/FrontFrame MountBolts
30-35ft-lb(41-47N-m)
Anti-ScalpRollerNyloc NutSeeFigure11
30-35ft-lb(41-47N-m)
Anti-ScalpRollerHex CapscrewSeeFigure11
50-55ft-lb(68-75N-m)
EngineMountingBolts 1/2-13inchscrews M10screws
67-83ft-lb(99-113N-m) 30ft-lb(41N-m)
WheelLugNuts
90-95ft-lb(122-129N-m)
WheelMotorMounting Bolts
72-77ft-lb(98-104N-m)
WheelHubSlottedNut211-260ft-lb
(286-352N-m)
RolloverProtectionSystem (RollBar)MountingBolts
30-35ft-lb(41-47N-m)
DeckDriveJackshaftNut
75-80ft-lb(102-108N-m)
ClutchRetainingBolt (securedwiththreadlocker)
55-60ft-lb(75-81N-m)
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Page 20
Operation
ProductOverview
Figure4
1.Motioncontrollevers
5.EngineControls(right console)
2.Parkingbrake
6.Seatbelt
3.Heightofcutadjustment
7.RolloverProtection System(ROPS)
4.Fuelcap(bothsides)
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Controls
MotionControlLevers
Themotioncontrolleverslocatedoneachsideof theconsolecontroltheforwardandreversemotion ofthemachine.
Movingtheleversforwardorbackwardturns thewheelonthesamesideforwardorreverse respectively.Wheelspeedisproportionaltothe amounttheleverismoved.
Movingtheleversoutwardfromthecenterposition intotheT-slotlocksthemintheneutralposition (
Figure5).
Figure5
1.Neutrallockposition (handlesout)
5.Neutral(operate)
2.Neutraloperateposition (handlesin)
6.Reverse
3.FrontofUnit
7.Neutrallock
4.Forward
ThrottleControl
Locatedonrightfueltank.
Thethrottleisusedtocontrolenginespeed.Moving thethrottleleverforwardwillincreaseenginespeed
20
Page 21
Operation
andmovingthethrottlelevertotherearwilldecrease enginespeed.Movingthethrottleforwardintothe detentisfullthrottle.
BrakeLever
Locatedonleftsideofunit,justtothefrontofthe console.
Thebrakeleverengagesaparkingbrakeonthedrive wheels.
Pulltheleverupandrearwardtoengagethebrake.
Pushtheleverforwardanddowntodisengagethe brake.
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
Locateddirectlybelowtherightsideofconsole,next tothecubby.
Thefuelshut-offvalveisusedtoshutoffthefuel whenthemachinewillnotbeusedforafewdays, duringtransporttoandfromthejobsite,andwhen parkedinsideabuilding.
Thevalvehasthreepositions,eachpositionmade in1/4turnincrements.
FuelFlowValveHandlePosition
“Off”Right
RightTank
Down
LeftTankLeft
FuelGauge
Locatedontheleftfueltank.
Thefuelgaugemonitorstheamountoffuelintheleft tankonly.Usethefuelfromtherightfueltankrst. Whentherightfueltankisempty ,switchtotheleft fueltank.Fuelgaugewillmonitortheremainingfuel.
DriveWheelReleaseValves
Locatedonthetoprightfrontcornerofhydrostatic 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 theparkbrakedisengaged.
Important:DoNotrotatetheknobtoofar,as thismaycausethemachinetocreepinneutral. RefertotheMotionControlLinkageAdjustment sectioninMaintenance.
21
Page 22
Operation
PTOEngagementSwitch
Locatedonrightfueltank.
Switchmustbepulledout(up)toengagetheblades. Switchispushedintodisengagetheblades.
Note:Iftheengineoverheats,thePTOwill automaticallydisengage.ThePTOcannotbe engageduntiltheenginehascooleddown.To re-engagethePTO,pushPTOswitchinto thedisengagedpositionandthenpulloutto engage.RefertotheEngineoverheatsinthe Troubleshootingsection.
CoolantTemperatureGauge
Locatedatthefrontoftheleftfueltank.
Thecoolanttemperaturegaugemonitorsthe temperatureoftheenginecoolant.Anengine overheatingconditionisindicatedbytheredarea onthegauge.AnalarmwillsoundandthePTO willdisengage.RefertotheWarningBuzzerinthe Troubleshootingsection.
Note:Iftheenginecoolantlevelisbelowthe indicatorlineontheoverowbottlewhentheengine iscold,thecoolanttemperaturegaugemaynot registercorrectlyduringoperation.RefertoCheck EngineCoolantLevelinMaintenance.
Voltmeter
LocatednexttotheCoolantTemperatureGaugeat thefrontoftheleftfueltank.
Thevoltmetermeasurethevoltageoutputofthe alternator.Bothhighandlowvoltageswillpotentially damagethebattery.
GlowPlugSwitchandLight
Locatedontherightfueltank.
Depressandholdtheswitchtoheattheglowplugs. Theglowpluglightcomesonwhentheglowplug switchisdepressed.Theglowpluglightindicatesthe glowplugsarepreheatingthecombustionchamber.
LowOilPressureLight
Locatedontherightfueltank.
Lightwillcomeonwhenengineoilpressureislow orlost.
WarningBuzzer
Locatedbehindtheseatundertheairdeectoron theelectricalpanel.
Thebuzzerisawarningsignalthattheengine isoverheatingortheoilpressureislow .Seethe Troubleshootingsection.
Note:Iftheenginecoolantlevelisbelowthe indicatorlineontheoverowbottlewhentheengine iscold,thewarningbuzzermaynotsoundifthe engineoverheats.RefertoCheckEngineCoolant LevelinMaintenance.
DeckLiftPedal
Locatedattherightfrontcorneroftheoorpan.
Pushthepedalforwardwithyourfoottoraisethe cuttingdeck.Allowthepedaltomoverearwardto lowerthecuttingdecktothecutheightthathasbeen set.
Pre-Start
Fillfueltankonlevelground.
Makesureyouunderstandthecontrols,their locations,theirfunctions,andtheirsafety requirements.
RefertotheMaintenancesectionandperformallthe necessaryinspectionandmaintenancesteps.
DeterminingFuel
Theenginerunsonclean,freshdieselfuelwith aminimumoctaneratingof40.Purchasefuelin quantitiesthatcanbeusedwithin30daystoensure fuelfreshness.
Usesummergradedieselfuel(No.2-D)at temperaturesabove20°F(-7°C)andwintergrade dieselfuel(No.1-DorNo.1-D/2-Dblend)below 20°F(-7°C).Useofwintergradedieselfuelatlower temperaturesprovideslowerashpointandpour pointcharacteristics,thereforeeasingstartabilityand lesseningchancesofchemicalseparationofthefuel duetolowertemperatures(waxappearance,which maypluglters).
Useofsummergradedieselfuelabove20°F(-7°C) willcontributetowardlongerlifeofthepump components.
22
Page 23
Operation
Important:DoNotusekeroseneorgasoline
insteadofdieselfuel.Failuretoobservethis cautionwilldamagetheengine.
DoNotoverllfueltank.Fillthefueltanktothe
bottomofthellerneck.Theemptyspaceinthe tankallowsthefueltoexpand.Overllingmayresult infuelleakageordamagetotheengineoremission system.
Ifpossible,llthefueltankaftereachuse.Thiswill minimizepossiblebuildupofcondensationinsidethe fueltank.
BiodieselReady
Thismachinecanalsouseabiodieselblendedfuel ofuptoB20(20%biodiesel,80%petrodiesel).The petrodieselportionshouldbeloworultralowsulfur.
Observethefollowingprecautions:
Thebiodieselportionofthefuelmeets specicationASTMD6751orEN14214.
Theblendedfuelcompositionshouldmeet ASTMD975orEN590.
Paintedsurfacesmaybedamagedbybiodiesel blends.
UseB5(biodieselcontentof5%)orlesserblend incoldweather.
Monitorseals,hoses,gasketsincontactwithfuel astheymaydegradeovertime.
Fuellterpluggingmaybeexpectedforatime afterconvertingtobiodieselblends.
Contactyourdistributorifyouwishformore informationonbiodiesel.
OperatingInstructions
RaisetheRolloverProtectionSystem (ROPS)
Important:Lowertherollbaronlywhen
absolutelynecessary.
1.Removethehairpincotterpinsandremovethe tworollbarpins(Figure6).
2.Raisetherollbartotheuprightpositionand installthetwopinsandsecurethemwiththe hairpincotterpins(Figure6).
Important:Alwaysusetheseatbeltwiththe rollbarintheraisedposition.Ensurethatthe
rearpartoftheseatissecuredwiththeseat latch.
Figure6
1.Rollbar3.Pin
2.Raisedposition4.Hairpincotterpin
OpentheFuelShut-OffValve
TurnthevalvetotheLHorRHtank.
StartingtheEngine
1.Movethemotioncontrolleversouttotheneutral lockposition.
2.Pullupandbackontheparkingbrakeleverto engagetheparkingbrake.
3.PushdownonthePTOswitchtothe“disengage” position.
Note:Itisnotnecessaryfortheoperatortobe intheseattostarttheengine.
4.Placethethrottlemidwaybetweenthe“SLOW” and“FAST”positions.
5.Onawarmengine,placethethrottleinthe “SLOW”position.
6.Onacoldengine,(below14°F(-10°C)),placethe throttleinthe“MIDWAY”position.
Note:DoNotusefuelleftoverfromsummer.
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Page 24
Operation
7.Turnignitionswitchtothe“ON”position. Depresstheglowplugswitchandtheglowplug lightwillturnon.Holdswitchasrequiredby chartbelow.Turntheignitionswitchtothe “START”position.Releasetheignitionswitchas soonastheenginestarts.
GlowPlugChart
AmbientT emperature
HoldGlowPlugsOn
Above50°F(10°C)
NONEED
50°F(10°C)to23°F(-5°C)
Approximately5seconds
Below23°F(-5°C)
Approximately10seconds
Limitofcontinuoususe
20seconds
Theglowpluglight,locatedneartheglow plugswitch,willilluminatewhentheswitchis depressed.Theglowpluglightindicatestheglow plugsarepreheatingthecombustionchamber.
Important:DoNotcranktheengine continuouslyformorethentensecondsata time.Iftheenginedoesnotstart,allowa30 secondcool-downperiodbetweenstarting attempts.Failuretofollowtheseguidelines canburnoutthestartermotorand/orfuel solenoid.
8.Movethethrottletothe“SLOW”(ifin “MIDWAY”)andlettheenginewarmupafew minutesbeforemovingthethrottletothe“FAST” position.
EngagingthePTO
DANGER
Therotatingbladesunderthemowerdeckare dangerous.Bladecontactcancauseserious injuryorkillyou.
DoNotputhandsorfeetunderthemoweror mowerdeckwhenthebladesareengaged.
DANGER
Anuncovereddischargeopeningwillallow objectstobethrowninanoperator’sor bystander’sdirection.Also,contactwiththe bladecouldoccur.Thrownobjectsorblade contactcancauseseriousinjuryordeath.
Neveroperatethemowerwiththedischarge deectorraised,removed,oralteredunlessthere isagrasscollectionsystemormulchkitinplace andworkingproperly.
ThePTOpush-pullswitchengagesthecuttingblades. Besurethatallpersonsareclearofthemowerdeck anddischargeareabeforeengagingPTO.
Important:Operatormustbeinseatbeforethe PTOcanbeengaged.
1.Setthethrottlemidwaybetweenthe“SLOW” and“FAST”positions.
2.PullthePTOswitchoutwardtoengagethe blades.
3.Placethethrottleinthe“FAST”positiontobegin mowing.
DisengagingthePTO
1.Setthethrottlemidwaybetweenthe“SLOW” and“FAST”positions.
2.PushthePTOswitchintodisengagetheblades.
StoppingtheEngine
1.Bringtheunittoafullstop.
2.Movethemotioncontrolleversouttotheneutral lockposition.
3.Engagetheparkingbrake.
4.Placethethrottlemidwaybetweenthe“SLOW” and“FAST”positions.
5.DisengagethePTO.
6.Allowtheenginetorunforaminimumof15 seconds,thenturntheignitionswitchtothe “OFF”positiontostoptheengine.
7.Removethekeytopreventchildrenorother unauthorizedpersonsfromstartingengine.
8.Closethefuelshut-offvalvewhenthemachine willnotbeinuseforafewdays,when transporting,orwhentheunitisparkedinside abuilding.
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Page 25
Operation
DrivingtheMachine
CAUTION
Machinecanspinveryrapidlybypositioningone levertoomuchaheadoftheother.Operatormay losecontrolofthemachine,whichmaycause damagetothemachineorinjury.
Usecautionwhenmakingturns.
Slowthemachinedownbeforemakingsharp turns.
Important:Tobeginmovement(forwardor backward)theoperatormustbeintheseat,the brakelevermustbedisengaged(pusheddown) beforethemotioncontrolleverscanbemovedin ortheenginewillstop.
Whenthemotioncontrolleversarepositionedfully outward(apart)intheT-slot,thedrivesystemisin theneutrallockposition(
Figure7).
Whenthemotioncontrolleversaremoveddirectly inward(together)thedrivesystemisintheneutral operateposition.
Figure7
1.Neutrallockposition (handlesout)
5.Neutral(operate)
2.Neutraloperateposition (handlesin)
6.Reverse
3.FrontofUnit
7.Neutrallock
4.Forward
DrivingForward
1.Releasetheparkingbrake.
2.Movethemotioncontrolleversinwardtothe centertotheneutralposition.
3.Tomoveforwardinastraightline,moveboth leversforwardwithequalpressure.
Toturnleftorright,pullthemotioncontrollever backtowardneutralinthedesiredturndirection.
Themachinewillmovefasterthefartherthe motioncontrolleversaremovedfromtheneutral position.
4.Tostop,positionbothmotioncontrolleversin theneutraloperateposition.
Figure8
1.FrontofUnit
3.Neutral
2.Forward4.Reverse
DrivinginReverse
1.Movethemotioncontrolleversinwardtothe neutraloperateposition.
2.Tomoverearwardinastraightline,moveboth leversrearwardwithequalpressure.
Toturnright,releasepressureontheRHmotion controlleverandtherearofthemachinewill movetowardstherearandtotheright.
Toturnleft,releasepressureontheLHmotion controlleverandtherearofthemachinewill movetowardstherearandtotheleft.
3.Tostop,positionbothmotioncontrolleversin theneutraloperateposition.
AdjustingtheCuttingHeight
Thecuttingheightofthemowerdeckisadjusted from1to5inches(2.54cmto12.7cm)in1/4inch (6.4mm)increments.
1.Stopthemachineandmovethemotioncontrol leversoutwardtotheneutrallockedposition.
2.DisengagethePTO.
3.Raisethedeckheightlevertothetransport position(alsothe5inch(12.7cm)cuttingheight position)(Figure9).
25
Page 26
Operation
Thedeckcanberaisedbypullingthedecklever upand/orbypushingdownonthefootoperated deckliftassistleverlocatedatthefrontright corneroftheoorpan.
Note:Whenchangingthecuttingheight positions,alwayscometoacompletestop anddisengagethePTO.
Figure9
1.Leverintransportand5inch(12.7cm)cuttingheight position
4.Inserttheheightadjustmentpinintothehole correspondingtothedesiredcuttingheightand installthehairpincotterpin.
Seethedecalonthesideofthedeckliftplatefor cutheights.
5.Movethedeckheightleveroutofthetransport position(or5inch(12.7cm)cuttingheight)and downontotheheightadjustmentpintomowat selectedheight.
Note:Thefootoperateddeckliftassistlever canbeusedtomomentarilyliftthedecktoclear objects.BesurethatPTOisdisengaged.
AdjustingtheAnti-ScalpRollers
Itisrecommendedtochangetheanti-scalproller positionwhentheheightofcuthaschanged.
1.Stopthemachineandmovethemotioncontrol leversoutwardtotheneutrallockedposition.
2.DisengagethePTO.
3.Engagetheparkbrake.
4.Stoptheengine,removethekeyandwaitforall movingpartstostop.
5.Afteradjustingtheheightofcut,adjustthe anti-scalprollersbyremovingtheboltandspring discwasher.
6.Placetherollersinoneofthepositionsshown (
Figure10).Rollerswillmaintain3/4inch(19 mm)clearancetothegroundtominimizegouging androllerwearordamage.
Figure10
Forcuttingheightsabove4.0inches(102mm)usethe
bottomhole.Therollerswillstillbeeffectiveagainst
scalping.
1.Anti-scalproller mountingbracket
2.Cuttingheight
ForMaximumDeckFlotation,placetherollers oneholepositionlower.Rollersshouldmaintain 1/4inch(6.4mm)clearancetotheground.Do Notadjusttherollerstosupportthedeck.
7.Besuretherollerboltsareinstalledwiththe springdiscwasherbetweentheheadofthebolt andthemountingbracket.
Note:Thefootoperateddeckliftassistlever canbeusedtomomentarilyliftthedecktoclear objects.BesurethatPTOisdisengaged.
8.Torquethe3/8–24x2Gr8hexcapscrewto 50–55ft-lb(68–75N-m)(
Figure11).
26
Page 27
Operation
Figure11
1.Springdiscwasher (conetowardsbolthead)
3.3/8nyloc-torqueto30-35 ft-lb(41-47N-m)
2.Frontrightanti-scalp bracketshown
4.3/8-24x2GR8torqueto 50-55ft-lb(68-75N-m)
9.Ifthe3/8nylocnuthasbeenremoved, re-installandtorqueto30–35ft-lb(41–47N-m) (Figure11).
Transporting
TransportingaUnit
Useaheavy-dutytrailerortrucktotransportthe machine.Lockbrakeandblockwheels.Securely fastenthemachinetothetrailerortruckwithstraps, chains,cable,orropes.Besurethatthetrailerortruck hasallnecessarylightingandmarkingasrequiredby law .Secureatrailerwithasafetychain.
CAUTION
Thisunitdoesnothaveproperturnsignals, lights,reectivemarkings,oraslowmoving vehicleemblem.Drivingonastreetorroadway withoutsuchequipmentisdangerousand canleadtoaccidentscausingpersonalinjury. Drivingonastreetorroadwaywithoutsuch equipmentmayalsobeaviolationofStatelaws andtheoperatormaybesubjecttotrafctickets and/ornes.
DoNotdriveaunitonapublicstreetorroadway.
WARNING
Loadingaunitonatrailerortruckincreases thepossibilityofbackwardtip-over.Backward tip-overcouldcauseseriousinjuryordeath.
Useextremecautionwhenoperatingaunit onaramp.
Useonlyasingle,fullwidthramp;DoNot useindividualrampsforeachsideoftheunit.
Ifindividualrampsmustbeused,useenough rampstocreateanunbrokenrampsurface widerthantheunit.
DoNotexceeda15°anglebetweenrampand groundorbetweenrampandtrailerortruck.
Avoidsuddenaccelerationwhiledrivingunit uparamptoavoidtippingbackward.
Avoidsuddendecelerationwhilebackingunit downaramptoavoidtippingbackward.
LoadingaUnit
Useextremecautionwhenloadingunitsontrailersor trucks.Onefullwidthrampthatiswideenoughto extendbeyondthereartiresisrecommendedinstead ofindividualrampsforeachsideoftheunit.The lowerrearsectionofthetractorframeextendsback betweentherearwheelsandservesasastopfor tippingbackward.Havingafullwidthrampprovides asurfacefortheframememberstocontactifthe unitstartstotipbackward.Ifitisnotpossibletouse onefullwidthramp,useenoughindividualrampsto simulateafullwidthcontinuousramp.
Rampshouldbelongenoughsothattheangles betweentherampandthegroundandtherampand thetrailerortruckDoNotexceed15°.Asteeper anglemaycausemowerdeckcomponentstoget caughtastheunitmovesfromramptotraileror truck.Steeperanglesmayalsocausetheunittotip backward.Ifloadingonornearaslope,position thetrailerortrucksoitisonthedownsideofthe slopeandtherampextendsuptheslope.Thiswill minimizetherampangle.Thetrailerortruckshould beaslevelaspossible.
Important:DoNotattempttoturntheunit whileontheramp,youmaylosecontroland driveofftheside.
Avoidsuddenaccelerationwhendrivinguparamp andsuddendecelerationwhenbackingdownaramp. Bothmaneuverscancausetheunittotipbackward.
27
Page 28
Maintenance
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
WARNING
Whilemaintenanceoradjustmentsarebeing made,someonecouldstarttheengine. Accidentalstartingoftheenginecouldseriously injureyouorotherbystanders.
Removethekeyfromtheignitionswitch,engage parkingbrake,andpullthewire(s)offthespark plug(s)beforeyoudoanymaintenance.Also pushthewire(s)asidesoitdoesnotaccidentally contactthesparkplug(s).
WARNING
Theenginecanbecomeveryhot.Touchingahot enginecancausesevereburns.
Allowtheenginetocoolcompletelybefore serviceormakingrepairsaroundtheenginearea.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst5hours
•Changetheengineoil.
Aftertherst100hours
•Checkthewheelhubslottednuttorquespecications.
•Checkthewheellugnuts.
•Checktheparkbrakeadjustment.
Aftertherst250hours
•Changethehydrauliclter.
Beforeeachuseordaily
•Checktheengineoillevel.
•Checkthemowerblades.
•Checkthesafetyinterlocksystem.
•Checktherolloverprotectionssystems(rollbar)pins.
•Checktheseatbelt.
•Checkforloosehardware.
•Checkenginecoolantlevel.
•Cleantheenginecoolingsystem.
•Cleantheengineandexhaustsystemarea.
•Cleanthegrassanddebrisbuild-upfromthemachineandcuttingdeck.
•Cleanthegrassbuild-upfromunderthecuttingdeck.
Every40hours
•Checkthehydraulicoillevel.
•Checkthetirepressures.
•Checktheconditionofthebelts.
•Greasetheheightadjustmentshaftbearings.
•Greasethereardeckstruts.
•Drainfuellter/waterseparator.
Every50hours
•Servicetheaircleaner.(Mayneedmoreoftenundersevereconditions.SeetheEngine Owner’sManualforadditionalinformation.)
•Checksparkarrester(ifequipped).
•Cleantheenginecoolingsystem.
Every100hours
•Changetheengineoil.(Mayneedmoreoftenundersevereconditions.)
Every160hours
•Lubricatethebrakehandlepivot.
•Lubricatethebrakerodbushings.
•Lubricatethemotioncontrolbronzebushings.
28
Page 29
Maintenance
MaintenanceService
Interval
MaintenanceProcedure
Every200hours
•Greasethebrakebrackets.
Every400hours
•Replacethefuellter/waterseparator(moreoftenindirtyordustyconditions).
Every500hours
•Checkthewheelhubslottednuttorquespecications.
•Checkthewheellugnuts.
•Changethehydrauliclter(Every250hours/yearlyifusingMobil115W50)
•Checktheparkbrakeadjustment.
Every600hours
•Replacetheaircleanerelements.(Mayneedmoreoftenundersevereconditions.Seethe EngineOwner’sManualforadditionalinformation.)
Every4,000hours
Changeenginecoolant.Dex-Cool©extendedlifecoolant(orangecolor)
Monthly
•Checkthebatterycharge.
Yearly
•Changetheengineoilifoperatedlessthan100hours.
•Greasethefrontcasterwheelhubs.
•Greasefrontcasterpivots.
•Greasethedeckdrivebeltidlerarm.
•Greasethemuledrivebeltidlerarm.
•Greasethepumpdrivebeltidlerarm.
PeriodicMaintenance
CheckEngineOilLevel
ServiceInterval:Beforeeachuseordaily
1.Stopengineandwaitforallmovingpartstostop. Makesureunitisonalevelsurface.
2.Checkwithenginecold.
3.Raiseradiatortogainaccesstodipstick.
CAUTION
Iftheradiatorproprodisnotsecurely positionedinthenotchtheradiatormayfall. Fallingradiatorcouldcauseseriousinjury.
Besuretheproprodisengagedsecurelyin thenotchatthefarrightsideoftheslot.
4.Cleanareaarounddipstick.Removedipstickand wipeoiloff.Reinsertthedipstickandpushitall thewaydownintothetube.Removethedipstick andreadtheoillevel.
5.Iftheoillevelislow ,wipeofftheareaaroundthe oilllcap,removecapandlltothe“FULL” markonthedipstick.Exmark4-CyclePremium EngineOilisrecommended;refertotheEngine Owner’smanualforanacceptablealternative.Do Notoverll.
Important:DoNotoperatetheenginewiththe oillevelbelowthe“LOW”(or“ADD”)markon thedipstick,oroverthe“FULL”mark.
CheckBatteryCharge
ServiceInterval:Monthly
WARNING
CALIFORNIA
Proposition65Warning
Batteryposts,terminals,andrelated
accessoriescontainleadandlead
compounds,chemicalsknowntotheStateof
Californiatocausecancerandreproductive
harm.Washhandsafterhandling.
Allowingbatteriestostandforanextendedperiodof timewithoutrechargingthemwillresultinreduced performanceandservicelife.T opreserveoptimum batteryperformanceandlife,rechargebatteriesin storagewhentheopencircuitvoltagedropsto12.4 volts.
Note:Topreventdamageduetofreezing,battery shouldbefullychargedbeforeputtingawayfor winterstorage.
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Maintenance
Checkthevoltageofthebatterywithadigital voltmeter.Locatethevoltagereadingofthebatteryin thetableandchargethebatteryfortherecommended timeintervaltobringthechargeuptoafullcharge of12.6voltsorgreater.
Important:Makesurethenegativebatterycable isdisconnectedandthebatterychargerusedfor chargingthebatteryhasanoutputof16voltsand 7ampsorlesstoavoiddamagingthebattery(see chartforrecommendedchargersettings).
Voltage Reading
Percent Charge
Maximum Charger Settings
Charging Interval
12.6or greater
100%
16volts/7 amps
No Charging Required
12.4–12.675–100%
16volts/7 amps
30Minutes
12.2–12.450–75%
16volts/7 amps
1Hour
12.0–12.225–50%
14.4volts/4 amps
2Hours
11.7–12.00–25%
14.4volts/4 amps
3Hours
11.7orless
0%
14.4volts/2 amps
6Hoursor More
RecommendedJump StartingProcedure
ServiceInterval:Asrequired
1.Checktheweakbatteryforterminalcorrosion (white,green,orblue“snow”),itmustbecleaned offpriortojumpstarting.Cleanandtighten connectionsasnecessary.
CAUTION
Corrosionorlooseconnectionscancause unwantedelectricalvoltagespikesatanytime duringthejumpstartingprocedure.
DoNotattempttojumpstartwithlooseor corrodedbatteryterminalsordamagetothe enginemayoccur.
DANGER
Jumpstartingaweakbatterythatiscracked, frozen,haslowelectrolytelevel,oran open/shortedbatterycell,cancausean explosionresultinginseriouspersonalinjury.
DoNotjumpstartaweakbatteryifthese conditionsexist.
2.Makesuretheboosterisagoodandfullycharged leadacidbatteryat12.6voltsorgreater.Use properlysizedjumpercables(4to6AWG)with shortlengthstoreducevoltagedropbetween systems.Makesurethecablesarecolorcodedor labeledforthecorrectpolarity.
CAUTION
Connectingthejumpercablesincorrectly (wrongpolarity)canimmediatelydamagethe electricalsystem.
Becertainofbatteryterminalpolarityand jumpercablepolaritywhenhookingup batteries.
Note:Thefollowinginstructionsareadapted fromtheSAEJ1494Rev .Dec.2001–Battery BoosterCables–SurfaceVehicleRecommended Practice(SAE–SocietyofAutomotive Engineers).
WARNING
Batteriescontainacidandproduceexplosive gases.
Shieldtheeyesandfacefromthebatteries atalltimes.
DoNotleanoverthebatteries.
Note:Besuretheventcapsaretightandlevel. Placeadampcloth,ifavailable,overanyvent capsonbothbatteries.Besurethevehiclesdo nottouchandthatbothelectricalsystemsare offandatthesameratedsystemvoltage.These instructionsarefornegativegroundsystemsonly.
3.Connectthepositive(+)cabletothepositive(+) terminalofthedischargedbatterythatiswiredto thestarterorsolenoidasshowninFigure12.
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Maintenance
Figure12
1.Positive(+)cableondischargedbattery
2.Positive(+)cableonboosterbattery
3.Negative(–)cableontheboosterbattery
4.Negative(–)cableontheengineblock
5.Boosterbattery
6.Dischargedbattery
7.Engineblock
4.Connecttheotherendofthepositivecabletothe positiveterminaloftheboosterbattery.
5.Connecttheblacknegative(–)cabletotheother terminal(negative)oftheboosterbattery.
6.MAKETHEFINALCONNECTIONON THEENGINEBLOCKOFTHESTALLED VEHICLE(NOTTOTHENEGATIVEPOST) AWAYFROMTHEBATTERY .STANDBACK.
7.Startthevehicleandremovethecablesinthe reverseorderofconnection(theengineblock (black)connectionisthersttodisconnect).
CheckMowerBlades
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Liftdeckandsecureinraisedpositionasstated intheCleanGrassBuild-UpUnderDeck procedure.
3.Inspectbladesandsharpenorreplaceasrequired.
4.Reinstalltheblades(iftheywereremoved)inthe followingorder:
A.Installbushingthroughbladewithbushing
angeonbottom(grass)sideofblade.
Figure13
1.Installbushinginbladepriortoinstallingbushingin spindle.
B.Installbushing/bladeassemblyintospindle.
Figure14
1.Usewrenchherefor bladeinstallation.This nuthasbeentorquedto 90–110ft-lb(122–149 N-m)
2.Torqueto55-60ft-lb (75-81N-m)Apply lubricanttothreads asneededtoprevent seizing.Copper-based anti-seizepreferable. Greaseacceptable substitute.
C.Applylubricanttothreadsofbladeboltas
neededtopreventseizing.Copper-based anti-seizepreferable.Greaseacceptable substitute.Installbladeboltngertight.Place wrenchonthetopspindlenutthentorquethe bladeboltsto55-60ft-lb(75-81N-m).
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Maintenance
WARNING
Incorrectinstallationofthebladeor componentsusedtoretainthebladecan bedangerous.Failuretousealloriginal componentsandassembledasshowncould allowabladeorbladecomponenttobe thrownoutfromunderthedeckresultingin seriouspersonalinjuryordeath.
AlwaysinstalltheoriginalExmarkblades, bladebushings,andbladeboltsasshown.
CheckSafetyInterlock System
ServiceInterval:Beforeeachuseordaily
Note:Topreventenginecut-outsonroughterrain
theseatkillswitchhasa1/2seconddelay.
1.Checkstartingcircuit.Startershouldcrankwith, parkingbrakeengaged,PTOdisengagedand motioncontrolleversmovedoutintheneutral lockposition.Theoperatordoesnotneedtobe intheseattostarttheengine.
Trytostartwithoperatorinseat,parkingbrake disengaged,PTOdisengagedandmotioncontrol leversintheneutrallockposition-startermust notcrank.
Trytostartwithoperatorinseat,parkingbrake engaged,PTOengagedandmotioncontrol leversintheneutrallockposition-startermust notcrank.
Trytostartwithoperatorinseat,parking brakeengaged,PTOdisengaged,andtheleft motioncontrolleverin,startermustnotcrank, repeatagainwiththerightleverin,thenwith bothleversin-startermustnotcrank.
2.Checkthekillcircuits.Runengineatone-third throttle,disengageparkingbrakeandraiseoff ofseat(butdonotgetoffofmachine)engine mustinitiateshutdownafterapproximately1/2 secondhaselapsed(seathastimedelaykillswitch topreventcut-outsonroughterrain).
Runengineatone-thirdthrottle,engagePTO andraiseoffofseat(butdonotgetoffof machine)enginemustinitiateshutdownafter onesecondhaselapsedifthehandlesarein.The delaywillbe1/2secondifthehandlesareout.
Runengineatone-thirdthrottle,withbrake disengaged,moveleversinandraiseoffseat(but donotgetoffofmachine)enginemustinitiate shutdownafter1/2secondhaselapsed.
Again,runengineatone-thirdthrottle,brake
engaged,andmoveleftmotioncontrollever in-enginemustinitiateshutdownafter1/2
secondhaselapsed.
Repeatagainmovingtherightleverin,then movingbothleversin-enginemustinitiate shutdownafter1/2secondhaselapsedwhether operatorisonseatornot.
Note:Ifmachinedoesnotpassanyofthesetests, donotoperate.ContactyourauthorizedEXMARK
SERVICEDEALER.
Important:Itisessentialthatoperatorsafety mechanismsbeconnectedandinproper operatingconditionpriortouseformowing.
CheckRolloverProtections Systems(RollBar)Pins
ServiceInterval:Beforeeachuseordaily
Makesurelatchpinandhairpinarefullyinstalled andlanyardisingoodcondition.
CheckSeatBelt
ServiceInterval:Beforeeachuseordaily
Visuallyinspectseatbeltforwear,cuts,andproper operationofretractorandbuckle.Replacebefore operatingifdamaged.
CheckforLooseHardware
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Visuallyinspectmachineforanyloosehardware oranyotherpossibleproblem.Tightenhardware orcorrecttheproblembeforeoperating.
ServiceAirCleaner
ServiceInterval:Every50hours—Service
theaircleaner.(May needmoreoftenunder severeconditions.See
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Maintenance
theEngineOwner’s Manualforadditional information.)
Every600hours—Replace theaircleanerelements. (Mayneedmoreoften undersevereconditions. SeetheEngineOwner’s Manualforadditional information.)
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Unhooktwoairltercanisterlatchestogain accesstotheaircleanerelement.
3.Removeaircleanercanistercoverandremove outerelement.
4.Checktheconditionofthepaperelement. Replaceifdirty,bentordamaged.
5.Checktheconditionoftheinnerelement.Replace wheneveritappearsdirty,typicallyeveryother timethepaperelementisreplaced.Cleanthebase aroundtheinnerelementbeforeremoving,so dirtdoesnotgetintotheengine.
6.DoNotwashorusepressurizedairtoclean paperelementorinnerelement.
7.Reinstallelements.Positionthecoversothatthe rubberdustejectorispointingdownwardand securewithretainingclips.
ChangeEngineOil
ServiceInterval:Aftertherst5hours
Every100hours/Yearly (whichevercomesrst) (Mayneedmoreoften undersevereconditions.)
Yearlyifoperatedless than100hours.
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Drainoilwhileengineiswarmfromoperation.
3.Fastendeckbeltspanstogetherwithmechanics wireortiewraptopreventoilfromdrainingonto belt.
4.Placepanundermachinetocatchoil.Remove theoildrainplug.Allowoiltodrainandreplace oildrainplug.
5.Replacetheoilltereveryotheroilchange.Clean aroundoillterandunscrewltertoremove. Beforereinstallingnewlter,applyathincoating ofExmark4-CyclePremiumEngineOilonthe surfaceoftherubberseal.Turnlterclockwise untilrubbersealcontactsthelteradapterthen tightenlteranadditional1fullturn.
6.Unlatchradiatorandliftituptoaccessoilll. Cleanaroundoilllcapandremovecap.Fill tospeciedcapacityandreplacecap.Useoil recommendedintheCheckEngineOilLevel section.DoNotoverll.Starttheengineand checkforleaks.
7.Removewireortiewrapfrombeltspans
8.Starttheengineatidlefor5minutes.Stopengine andwaitthreeminutes,thenchecktheoillevel. Ifrequired,addoiltobringleveltothe“FULL” markonthedipstick.DoNotoverll.
9.Checkforleaks,includingaroundtheoillter.
10.Wipeupanyspilledoil.
CheckHydraulicOilLevel
ServiceInterval:Every40hours
1.Stopengineandwaitforallmovingpartstostop. Engageparkingbrake.
2.Cleanareaaroundhydraulicreservoircapand removecap.Oillevelshouldbetothetopofthe bafeinsidethetank.Ifnot,addoil.UseExmark PremiumHydrooil.Replacehydraulicreservoir capandtightenuntilsnug.DoNotovertighten.
Note:Thebafeislabeled“HOT”and “COLD”.Theoillevelvarieswiththe temperatureoftheoil.The“HOT”levelshows thelevelofoilwhenitisat225°F(107°C).The “COLD”levelshowstheleveloftheoilwhen itisat75°F(24°C).Filltotheappropriatelevel dependinguponthetemperatureoftheoil.For example:Iftheoilisabout150°F(65°C),llto halfwaybetweenthe“HOT”and“COLD”levels. Iftheoilisatroomtemperature(about75°F (24°C)),llonlytothe“COLD”level.
CheckTirePressures
ServiceInterval:Every40hours
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
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Maintenance
2.Checktirepressureindrivetires.
3.Inatedrivetiresto10psi(69kPa).
4.Semi-pneumaticcastertiresdonotneedtobe inated.
Note:DoNotaddanytypeoftirelinerorfoam llmaterialtothetires.Excessiveloadscreatedby
foamlledtiresmaycausefailurestothehydrodrive system,frame,andothercomponents.Foamlling tireswillvoidthewarranty.
CheckConditionOfBelts
ServiceInterval:Every40hours
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Unhookseatlatchandtiltseatup.Removethe airdetectorpanelonfrontsideoftheengine compartmenttocheckpumpdrivebeltand alternatorbelt.
3.Removeleftandrightbeltshieldsondeckandlift upoorpantoinspectdeckdrivebelt.
4.Checkundermachinetoinspectthemule drivebelt.RefertoMuleDriveBeltTension AdjustmentsectioninAdjustments.
LubricateGreaseFittings
Note:Seechartforserviceintervals.
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Lubricatettingswithonetotwopumpsof NGLIgrade#2multi-purposegungrease.
Refertothefollowingchartforttinglocations andlubricationschedule.
LubricationChart
Fitting
Locations
Initial
Pumps
Numberof
Places
Service
Interval
1.Front Casterwheel hubs
*0
2
*Yearly
2.Front Caster Pivots
*0
2
*Yearly
3.Height Adjustment Shaft Bearings
1
540Hours
LubricationChart
Fitting
Locations
Initial
Pumps
Numberof
Places
Service
Interval
4.Deck DriveBelt IdlerArm
11
Yearly
5.Brake Brackets
12
200Hours
6.Mule DriveBelt IdlerArm
11
Yearly
7.Pump DriveBelt IdlerArm
11
Yearly
8.Deck RearStruts
12
40Hours
*Seestep3forspeciallubricationinstructionson thefrontcasterpivotsandtheLubricateCaster WheelHubssectionforspeciallubrication instructionsonthefrontcasterswheelhubs.
Number6(MuleDriveBeltIdlerArm)Located
UnderEngineFrame
Number7(PumpDriveBeltIdlerArm)Located
UnderEngineFrame
3.Lubricatefrontcasterpivotsonceayear.Remove hexplugandcap.Threadgreasezerkinholeand pumpwithgreaseuntilitoozesoutaroundtop bearing.Removegreasezerkandthreadplugback in.Placecapbackon.
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Page 35
Maintenance
WheelHub-SlottedNut TorqueSpecication
ServiceInterval:Aftertherst100hours
Every500hoursthereafter
Torquetheslottednutto211-260ft-lb(286-352 N-m).
Note:DoNotuseanti-seizeonwheelhub.
LubricateCasterWheelHubs
ServiceInterval:Asrequired
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
Figure15
1.Sealguard2.Spacernutwithwrench ats
2.Removecasterwheelfromcasterforks.
3.Removesealguardsfromthewheelhub.
4.Removeoneofthespacernutsfromtheaxle assemblyinthecasterwheel.Notethatthread lockingadhesivehasbeenappliedtolockthe spacernutstotheaxle.Removetheaxle(with theotherspacernutstillassembledtoit)from thewheelassembly.
5.Pryoutseals,andinspectbearingsforwearor damageandreplaceifnecessary.
6.PackthebearingswithaNGLIgrade#1 multi-purposegrease.
7.Insertonebearing,onenewsealintothewheel.
Note:Seals(ExmarkP/N103-0063)mustbe replaced.
8.Iftheaxleassemblyhashadbothspacernuts removed(orbrokenloose),applyathreadlocking adhesivetoonespacernutandthreadontothe axlewiththewrenchatsfacingoutward.Do
Notthreadspacernutallofthewayontotheend oftheaxle.Leaveapproximately1/8inch(3mm) fromtheoutersurfaceofthespacernuttothe endoftheaxleinsidethenut.
9.Inserttheassemblednutandaxleintothewheel onthesideofthewheelwiththenewsealand bearing.
10.Withtheopenendofthewheelfacingup,ll theareainsidethewheelaroundtheaxlefullof NGLIgrade#1multi-purposegrease.
11.Insertthesecondbearingandnewsealintothe wheel.
12.Applyathreadlockingadhesivetothe2ndspacer nutandthreadontotheaxlewiththewrenchats facingoutward.
13.Torquethenutto75-80in-lb(8-9N-m),loosen, thenre-torqueto20-25in-lb(2-3N-m).Make sureaxledoesnotextendbeyondeithernut.
14.Reinstallthesealguardsoverthewheelhuband insertwheelintocasterfork.Reinstallcasterbolt andtightennutfully.
Important:Topreventsealandbearingdamage, checkthebearingadjustmentoften.Spinthe castertire.Thetireshouldnotspinfreely (morethan1or2revolutions)orhaveanyside play.Ifthewheelspinsfreely,adjusttorqueon spacernutuntilthereisaslightamountofdrag. Reapplythreadlockingadhesive.
LubricateBrakeHandlePivot
ServiceInterval:Every160hours
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Lubricatebronzebushingsonbrakehandlepivot withaspraytypelubricantorlightoil.
LubricateBrakeRod Bushings
ServiceInterval:Every160hours
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Unhookseatlatchandtiltseatup.
3.Lubricatebronzebushingsoneachendofbrake rodshaftwithaspraytypelubricantoralightoil
35
Page 36
Maintenance
(bushingsarelocatedtotheinsideoftheange bearings).
LubricateMotionControl BronzeBushings
ServiceInterval:Every160hours
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Unhookseatlatchandtiltseatup.
3.Lubricatebronzebushingsonangebearings securingthemotioncontrolarmshaftswitha lightoiloraspraytypelubricant.
DrainFuelFilter/Water Separator
ServiceInterval:Every40hours
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Placeadrainpanunderthefuellterandloosen thedrainplugapproximately1turn.
3.Watershoulddrain.
4.Whenfuelbeginstoowfromthelter,tighten thedrainplug.
Important:Waterorothercontaminantsinfuel canseverelydamagefuelpumpand/ortheother enginecomponents.
ChangeFuelFilter/Water Separator
ServiceInterval:Every400hours/Yearly
(whichevercomesrst) (moreoftenindirtyor dustyconditions).
DANGER
Useofimpropercomponentscanresultinsystem failure,fuelleakageandpossibleexplosion.
EnsurethatanAuthorizedServiceDealer replacethefuellterandanycomponentsfor thefuelsystem.
Useonlyapprovedfuellines,hoseclamps andfuelltersforhighpressuresystems.
ChangeInlineFuelFilter
ServiceInterval:Asrequired
Aninlinefuellterisinstalledbetweenthefueltank andthefuelpump.Replacewhennecessary.
ReplacementFilters
ExmarkP/N112-7836
ChangeHydraulicSystem Filter
ServiceInterval:Aftertherst250hours
Every500hours/Yearly (whichevercomes rst)thereafter (Every250hours/Yearlyif usingMobil115W50)
Note:UseonlyExmarkP/N103-2146.
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Raiseseat.
3.Carefullycleanareaaroundlter.Itisimportant thatnodirtorcontaminationenterhydraulic system.
4.Unscrewltertoremoveandallowoiltodrain fromreservoir.
Important:Beforereinstallingnewlter,ll itwithExmarkPremiumHydrooilandapply athincoatofoilonthesurfaceoftherubber seal.
Turnlterclockwiseuntilrubbersealcontactsthe lteradapter,thentightenthelteranadditional 2/3to3/4turn.
5.FillreservoirasstatedinCheckHydraulicOil Levelsection.
ExmarkPremiumHydroOilisrecommended. Refertothechartforanacceptablealternative:
HydroOil
ChangeInterval
ExmarkPremiumHydro Oil(Preferred)
500Hours
Mobil115W50
250Hours
36
Page 37
Maintenance
6.Raisetherearofmachineupandsupportwith jackstands(orequivalentsupport)justhigh enoughtoallowdrivewheelstoturnfreely .
7.Startengineandmovethrottlecontrolaheadto fullthrottleposition.Movethespeedcontrol leverstothefullspeedandrunforseveral minutes.Shutdownmachineandrecheckoil level.
Note:DoNotchangehydraulicsystemoil(except forwhatcanbedrainedwhenchanginglter),unless itisfelttheoilhasbeencontaminatedorbeen extremelyhot.
Changingoilunnecessarilycoulddamagehydraulic systembyintroducingcontaminatesintothesystem.
CheckEngineCoolantLevel
ServiceInterval:Beforeeachuseordaily
Note:Iftheenginecoolantlevelisbelowthe
indicatorlineontheoverowbottlewhenthe engineiscold,thecoolanttemperaturegaugemay notregistercorrectlyduringoperationand/or thewarningbuzzermaynotsoundiftheengine overheats.
1.Stopengineandwaitforallmovingpartstostop. Makesureunitisonalevelsurface.
2.Checkwithenginecold.
3.Viewcoolantlevelinoverowbottleontheleft sideoftheenginecompartment.Coolantlevel shouldbeattheindicatorlineontheoverow bottle.
4.Ifthecoolantlevelislow ,openhoodorraise radiator,removethecaptotheoverowbottle andlltotheindicatorline.Unitsshouldonlybe lledwitha50/50mixofDex-Cool©extended lifecoolantandwater.Dex-Cool©canbe identiedbyitsorangecolor.
WARNING
Enginecoolantishotandpressurizedand radiatorandsurroundingpartsarehot.Sprayor steamfromhot,pressurizedliquidintheengine coolingsystemandtouchingahotradiatormay causesevereburns.
Allowtheenginetocoolcompletelybefore removingtheradiatorcaporservicingany componentofthecoolingsystem.
CAUTION
Enginecoolantistoxic.Swallowingcoolantcan causepoisoning.
DoNotswallow .
Keepoutofreachofchildrenandpets.
ChangeEngineCoolant
ServiceInterval:Every4,000hours/Every4
years(whichevercomes rst)Dex-Cool© ©
©
extended
lifecoolant(orangecolor)
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.Machinemust bepositionedonlevelsurface.
2.Unhookseatlatch,tiltseatupandtilthood forwardtogainaccesstothecoolingarea.Do Notraiseradiator,asitmaynotfullydraininthat position.
WARNING
Enginecoolantishotandpressurizedand radiatorandsurroundingpartsarehot.Spray orsteamfromhot,pressurizedliquidinthe enginecoolingsystemandtouchingahot radiatormaycausesevereburns.
Allowtheenginetocoolcompletelybefore removingtheradiatorcaporservicingany componentofthecoolingsystem.
CAUTION
Enginecoolantistoxic.Swallowingcoolant cancausepoisoning.
DoNotswallow .
Keepoutofreachofchildrenandpets.
3.Draincoolantwhenengineiscool.Coolantmay bedrainedfromtheradiatorbyremovingthe drainplugintherightrearcorner.Theengine blockmaybedrainedbyremovingtherear radiatorhoseand/orbyopeningthedraincock ontheright-handsideoftheengineblock(see Figure16).
37
Page 38
Maintenance
Figure16
1.Oildipstick
2.Draincock
4.Reinstallalldrainplugsandhosesandtighten draincock.
5.Fillradiatorwitha50/50mixofwaterand Dex-Cool©coolantasspeciedintheCheck EngineCoolantLevelSection,allowingsome room(approximately1/2inch(12.7mm))for expansion.Add50/50coolantmixtooverow bottleontheleftsideoftheengineasrequired tobringtheleveluptotheindicatorlineonthe bottle.
WARNING
Enginecompartmentcontainsopenbelt drives,fans,andotherrotatingcomponents thatcancauseinjury.Fingers,hands,loose clothing,orjewelrycangetcaughtbythe rotatingfananddriveshaft.
DoNotoperatemachinewithoutthe coversinplace.
Keepngers,hands,andclothingclearof rotatingcomponents.
Shutoffengine,waitformovingpartsto stop,engageparkingbrakeandremove key,beforeperformingmaintenance.
6.Withthecapofftheradiator,tilthoodclosedand puttheseatdown.Starttheengineasstatedin theOperatingInstructionsSection.Returnthe seatupandhoodforwardtotheopenposition.
7.Operateengineuntiltheenginethermostatopens andcoolantiscirculatingthroughtheradiator
core.Asairispurgedfromtheengineblockand thecoolantleveldrops,addadditionalcoolantto theradiator.
8.Whentheradiatoriscompletelyfullandno additionalcoolantcanbeadded,continuerunning andinstalltheradiatorcap.Makesurethatthe capiscompletelyseatedbypressingdownrmly whileturninguntilthecapstops.Oncethecapis installed,theenginemaybestopped.
CheckSparkArrester
(ifequipped)
ServiceInterval:Every50hours
WARNING
Hotexhaustsystemcomponentsmayignitefuel vaporsevenaftertheengineisstopped.Hot particlesexhaustedduringengineoperationmay igniteammablematerials.Firemayresultin personalinjuryorpropertydamage.
DoNotrefuelorrunengineunlesssparkarrester isinstalled.
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Waitformufertocool.
3.Ifanybreaksinthescreenorweldsareobserved, replacearrester.
4.Ifpluggingofthescreenisobserved,remove arresterandshakelooseparticlesoutofthe arresterandcleanscreenwithawirebrush(soak insolventifnecessary).Reinstallarresteron exhaustoutlet.
ThreadLockingAdhesives
Threadlockingadhesivessuchas“Loctite242” or“Fel-Pro,Pro-LockNutType”areusedonthe followingfasteners:
Pumpdrivesheavesetscrews.
SquareheadsetscrewsonHydropumpcontrol arms.
Sheaveretainingboltintheendofengine crankshaft.
Casterwheelspacernuts.
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Page 39
Maintenance
Fueltankbulkheadttingnuts.
Boltsretainingstubshafttoengineywheel.
Adhesivessuchas“LoctiteRC/609orRC/680”or “Fel-ProPro-LockRetainingIorRetainingII”are usedonthefollowing:
Fueltankstuds,wherestudsareinsertedintotank.
MobilHTSGrease(Or Food-GradeAnti-seize)
MobilHTSgrease(orfood-gradeanti-seize)isused inthefollowinglocations:
Betweenthecutterhousingspindleandbearings.
Betweenthecutterhousingspindleandsheave.
Undertopcutterhousingbearingguard.
Betweenthejackshaftandbearingsandthe jackshaftandsheaves.
Copper-BasedAnti-seize
Copper-basedanti-seizeisusedinthefollowing location:
OnthreadsofBladeBolts.SeeCheckMower Bladessection.
DielectricGrease
Dielectricgreaseisusedonallbladetypeelectrical connectionstopreventcorrosionandlossofcontact.
Adjustments
Note:DisengagePTO,shutoffengine,waitfor allmovingpartstostop,engageparkingbrake,and removekeybeforeservicing,cleaning,ormakingany adjustmentstotheunit.
CAUTION
Raisingthemowerdeckforserviceor maintenancerelyingsolelyonmechanical orhydraulicjackscouldbedangerous.The mechanicalorhydraulicjacksmaynotbeenough supportormaymalfunctionallowingtheunitto fall,whichcouldcauseinjury.
DoNotrelysolelyonmechanicalorhydraulic jacksforsupport.Useadequatejackstandsor equivalentsupport.
DeckLeveling
1.Positionmoweronaatsurface.
2.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
3.Checktirepressureindrivetires.Properination pressurefortiresis10psi(69kPa).Adjustif necessary.
4.Setanti-scalprollerstotopholesorremovethem completelyforthisadjustment.
5.Raisethedecktothe5inch(12.7cm)height position(alsotransportposition)andtakeallforce offofthetwolargedeckliftspringsbyloosening thenutsatthefrontofeachspring(
Figure17).
6.Lowerthedecktothe1inch(2.54cm)height position.Forcetheleftreardecksupportarm downwardabout1/4inch(6.4mm)togetthe decktorestatthe1inchheightposition.Place lockingpliersbetweentherearswivelandspring stoptoholdthedeckinthisposition(
Figure17).
7.Placea3/4inch(19mm)thickblockofwood undereachofthetworearanti-scalproller bracketsandplaceoneunderoneofthefront centeranti-scalprollerbrackets.
8.Loosenthetwotopchainboltsinslotsintherear deckliftarms.Loosenjamnutsandbackoffthe socketheadadjustingscrewsonthebottomof thearmsuntilthechainsarejustloose.Turnthe socketheadadjustingscrewsinuntilslackistaken outofeachchain.Tightenthejamnuts.Tighten
39
Page 40
Maintenance
thechainboltsinthedeckliftarmsmakingsure theydon’tmovewhiletightening.
9.Loosenthefournutswhichsecurethefront swivels(twoperside)untilthefrontchainsare looseandfrontofdeckissupportedbythe3/4 inch(19mm)block.DoNotloosenthefront chainhardware.
10.Onleftside,adjustfrontswivelusingthelocking nutbehindtheswiveluntilthefrontchainistight andallslackisremovedfromlinkage.DoNotlift frontofdeckoff3/4inch(19mm)block.Secure frontswivelusinglockingnutinfrontofswivel. Repeatforrightside.
11.Recheckthatthe3/4inch(19mm)blockstjust snuglyunderthebracketsandthatthetensionon allthechainsisapproximatelyequal.Makesure allchainattachmentboltsaretight.Reposition anti-scalprollersandtightensecurely.
Figure17
1.Applydownwardpressurehere
2.Placelockingpliersheretoholdspring
3.13–1/2inches(34.3cm)forcutheightsat2inchesor aboveor14inches(35.6cm)forcutheightsbelow2 inches
4.Removeforceondeckspringsbylooseningnutshere
5.Swivel
6.Frontofunit
7.Socketheadadjustingscrew
8.Jamnut
12.Raisedeckliftlevertothe5inch(12.7cm) cuttingheightposition(Figure9).Adjustspring compressionuntilproperdistanceisobtained betweenthetwolargewashers(Figure17). Adjustmentismadebyturningthenutatthe frontofeachspring(clockwisewillshortenthe spring,counterclockwisewilllengthenthespring). Lockinpositionwithjamnuts.
Note:Whenaboveadjustmentshavebeenmade, thefrontofthedeckwillbeslightlylowerthanthe rearofthedeck.
PumpDriveBeltTension
Self-tensioning-Noadjustmentnecessary.
DeckBeltTension
Self-tensioning-Noadjustmentnecessary.
MuleDriveBeltTension Adjustment
Self-tensioningidler,adjustasfollows:
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Checktomakesurethecenterofthebolthead inthecenterofthespringloadedpulley,onleft sideenginedecksupport,ispositionedbetween thecentersofthetwoalignmentholesinthe leftsupportplate(
Figure18andFigure19).It isnecessarytoadjustthebelttensionwhenthe centeroftheboltheadisatorbelowthecenter ofthebottomalignmenthole.
3.Whenadjustmentisnecessary,loosentheidler pulleyontheright-handsidesoitcanmoveup anddownintheslot.
Placeawrenchonthe3/8inchnutinthecenter ofthespringloadedpulleyandapplyupward pressuretorelievetensiononthespring(a1/2 inchdrivebreakerbarand9/16inchsocketworks best).
Repositiontheadjustingpulleytothebottomof theslot.
Note:Wheninstallinganewbelt,itisnecessary torepositiontherightadjustingpulleyupwardin theslotinordertopositionthecenterofthespring loadedpulleybetweenthealignmentholes.
40
Page 41
Maintenance
Figure18
1.Frontofunit
2.Alignmentholes
Figure19
1.Springidlerpulley
3.Rightsideidlerpulley (adjustable)
2.Frontofunit
AlternatorBeltTension
Stopengine,waitforallmovingpartstostopand removekey.Engageparkingbrake.
Tiltseatandremoveairdeectorpanel
Totightenalternatorbelt,loosenbothupperand loweralternatormountingbolts.Rotatealternator out,awayfromengineandretightenhardwareto secureinplace.
Whenproperlytensioned,thealternatorbeltwill deect1/4to3/8inch(7-9mm)whileapplying22 poundsofforcetothebeltmidwaybetweenfanand alternator.
BeltGuideAdjustment
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Removethebeltshieldontherightsideofmower deck.
3.Notebeltguideboltedtodeckneartheshield supportstudandright-handpulley .Guideshould be1/8inch(3.2mm)awayfromthebelt,with bolt-endofguidenearendofslot(
Figure20).
4.Ifadjustmentisnecessary,loosentheboltsecuring thebeltguideandmakeproperadjustment. Tightenhardware.
Figure20
1.Endofslot
2.Beltguide
ParkingBrakeAdjustment
ServiceInterval:Aftertherst100hours
Every500hoursthereafter
Checktomakesurebrakeisadjustedproperly.This proceduremustbefollowedaftertherst100hours orwhenabrakecomponenthasbeenremovedor replaced.
1.Drivethemachineontoalevelsurface.
2.Disengagethebladecontrolswitch(PTO),move themotioncontrolleverstotheneutrallocked positionandsettheparkingbrake.
3.Stoptheengine,waitforallmovingpartstostop, andremovethekey .
4.Raisethebackofthemachineupandsupportthe machinewithjackstands.
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Page 42
Maintenance
CAUTION
Raisingthemowerdeckforserviceor maintenancerelyingsolelyonmechanical orhydraulicjackscouldbedangerous.The mechanicalorhydraulicjacksmaynotbe enoughsupportormaymalfunctionallowing theunittofall,whichcouldcauseinjury.
DoNotrelysolelyonmechanicalorhydraulic jacksforsupport.Useadequatejackstands orequivalentsupport.
5.Removethereartiresfromthemachine.
6.Removeanydebrisfromthebrakearea.
7.Engagetheparkingbrake(leverup).
8.Loosenthejamnut(item9inFigure21)just abovethetrunnionroller2-3turns.
Figure21
1.Leverdown (disengaged)
6.Removepintoadjust rodlengthforadditional brakeadjustment
2.Leverup(engaged)
7.Trunnionroller
3.Nylocnutbelowtrunnion roller
8.Springretainerbracket
4.Nylocnutbelowspring9.Jamnutabovetrunnion
roller
5.1/8to3/16inch(3.2to
4.8mm)
9.Tightenthebottomnylocnut(item3inFigure21) untilthebrakespringiscompletelycompressed, thenloosenone-halfturn.
10.Tightenthejamnutagainstthetrunnionroller
11.Checktheclearancebetweenthebottomofthe brakebracketandthenylocnutjustunderthe spring.Clearanceshouldmeasure1/8to3/16
inch(3.2-4.8mm).Ifnecessary,adjustthenyloc nutaccordingly.
12.Ifthecorrectgapcannolongerbeachieved becausethereisnoclearancebetweenthenyloc nutbelowthespringandthejamnut,orthere arenothreadsleftinthebottomnylocnut,the lengthofthebrakerodcanbeadjusted.Remove apinfromayokeateitherendofthebrakerod andlengthen(orshorten)thebrakeroduntilthe correctgapcanbeachieved.
13.Ifabrakecomponenthasbeenremovedor replaced,seethestepsbelow;otherwiseproceed tostep
14.
BurnishingtheBrakeProcedure:
A.Cleartheareaofanyammablematerial
beforestartingtheburnishingprocess.
B.Whilesittingintheoperator’sseat,startthe
engine,andreleasetheparkbrake.
WARNING
Enginemustberunninganddrivewheels mustbeturningsoadjustmentscanbe performed.Contactwithmovingpartsor hotsurfacesmaycausepersonalinjury.
Keepngers,hands,andclothingclearof rotatingcomponentsandhotsurfaces.
C.Increasethethrottletohighidle.
D.Bringbothdriveleversoutofneutraland
pushthemintofullforwardposition.
E.Pulltheparkbrakeleverupuntiltheengine
rpmstartstodrop.Holdtheparkbrakelever inthispositionfor15seconds.
F.Releasethebrakelever.
G.Movethedriveleversintothefullreverse
position.RepeatstepsEandF.
H.Movethedriveleversbacktotheneutrallock
position.
I.Returnthethrottletolowidle,andstopthe
engine.
J.Allowthebrakebandsanddrumstocool.
Repeatsteps7through11.
14.Installthetiresandtorquethelugnutsto90-95 ft-lb(122-129N-m).
15.Removethejackstands.
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Maintenance
ElectricClutchAdjustment
Noadjustmentnecessary.Howeverwhentheclutch brakehasworntothepointwheretheclutchno longerengagesconsistently,theshimcanberemoved toextendtheclutchlife.
Figure22
1.Armature5.Brakespacer
2.Fieldshell6.Re-gapshim
3.Rotor7.Brakepole
4.Brakemountingbolt
RemovingtheShim:
1.Stopengine,waitforallmovingpartstostop, andremovekey .Engageparkingbrake.Allow themachinetocoolcompletelybeforestarting theseinstructions.
2.Usingapneumaticline,blowoutanydebris fromunderthebrakepoleandaroundthebrake spacers.
3.Checktheconditionofthewireharnessleads, connectors,andterminals.Cleanorrepairas necessary.
4.Verifythat12Vispresentattheclutchconnector whenthePTOswitchisengaged.
5.Measurethegapbetweentherotorandarmature. Ifthegapisgreaterthan.04inch(1mm),proceed withthefollowingsteps:
A.Loosenbothbrakemountingboltsone-half
toonefullturn(see
Figure23).
Note:DoNotremovethebrakepolefrom theeldshell/armature.Thebrakepolehas worntomatchthearmatureandneedsto continuetomatchaftertheshimisremoved toensureproperbraketorque.
Figure23
1.Brakemountingbolt
2.Shim
B.Usingneedlenosepliers,orbyhand,take
holdofthetabandremovetheshim(DoNot discardtheshimuntilproperclutchfunction hasbeenconrmed).
C.Usingapneumaticline,blowoutanydebris
fromunderthebrakepoleandaroundthe brakespacers.
D.Re-torqueeachbolt(M6x1)to10ft-lb(13
N-m)+/-0.5ft-lb(0.7N-m).
E.Usinga0.010inchthickfeelergauge,verify
thatagapispresentbetweentherotorand armaturefaceonbothsidesofthebrakepole asshown.(Duetothewaytherotorand armaturefaceswear(peaksandvalleys)itis sometimesdifculttomeasurethetruegap.)
G011733
1
Figure24
1.Feelergauge
43
Page 44
Maintenance
Figure25
1.Feelergauge
Ifthegapislessthan0.010inch,then reinstalltheshimandreferencethe Troubleshootingsection.
Ifthegapissufcient,proceedtothe safetycheckinstep
F.
F.Performthefollowingsafetycheck:
a.Sitontheseatandstarttheengine.
b.MakesurethebladesDoNotengage
withthePTOswitch“off”andtheclutch disengaged.
Iftheclutchdoesnotdisengage, reinstalltheshimandreferencethe Troubleshootingsection.
c.EngageanddisengagethePTOswitch
tenconsecutivetimestoensuretheclutch isfunctioningproperly.Iftheclutch doesnotengageproperly ,referencethe Troubleshootingsection.
ReverseIndicator Adjustment
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Unhookseatlatchandtiltseatforward.
3.Beginwitheithertheleftorrightmotioncontrol lever.Movelevertotheneutralpositionandpull leverbackuntiltheclevispin(onarmbelowpivot shaft)contactstheendoftheslot(justbeginning toputpressureonspring).(Figure26).
4.Checkwhereleverisrelativetonotchinconsole (shouldbecenteredallowinglevertopivot outwardtotheneutrallockposition).
5.Ifadjustmentisneeded,loosenthenutagainstthe yokeandwhileapplyingslightrearwardpressure onthemotioncontrollever,turntheheadofthe adjustmentboltintheappropriatedirectionuntil leveriscentered(keepingrearwardpressureon theleverwillkeepthepinattheendoftheslot andallowtheadjustmentbolttomovethelever totheappropriateposition).Tightenlocknut.
6.Repeatonoppositesideofunit.
Figure26
1.Turnbolthere4.Yoke
2.Levercenteredinnotch5.Loosenhere
3.Endofslot
6.Reverseindicator
MotionControlLinkage Adjustment
WARNING
Enginemustberunninganddrivewheelsmust beturningsomotioncontroladjustmentcanbe performed.Contactwithmovingpartsorhot surfacesmaycausepersonalinjury.
Keepngers,hands,andclothingclearof rotatingcomponentsandhotsurfaces.
44
Page 45
Maintenance
CAUTION
Raisingthemowerdeckforserviceor maintenancerelyingsolelyonmechanical orhydraulicjackscouldbedangerous.The mechanicalorhydraulicjacksmaynotbeenough supportormaymalfunctionallowingtheunitto fall,whichcouldcauseinjury.
DoNotrelysolelyonmechanicalorhydraulic jacksforsupport.Useadequatejackstandsor equivalentsupport.
1.Thisadjustmentmustbemadewiththedrive wheelsturning.Firstraisetherearofmachine upandsupportwithjackstands(orequivalent support)justhighenoughtoallowthedrive wheelstorotatefreely.
2.Unhookseatlatchandtiltseatforward.
3.Removetheelectricalconnectionfromtheseat safetyswitch,locateddirectlytotheleftoftheseat switchassemblybesidethehydraulicoilreservoir.
Temporarilyinstallajumperwireacrossthe terminalsintheconnectorofthemainwiring harness.
4.Runtheunitatleast5minuteswiththedrive leversatfullforwardspeedtobringhydraulic systemoiluptooperatingtemperature.
5.Loosenlocknutsfromtheballjointsateachend ofthepumpcontrollinkage(
Figure27).
Figure27
Right-HandSideofUnit
1.Turnheretoadjust
2.Loosenhere(right-hand thread)
6.Startengine.Brakemustbeengagedand motioncontrolleversouttostartengine. Operatordoesnothavetobeintheseat
becauseofthejumperwirebeingused.Run
engineatfullthrottleandreleasebrake.
7.Thereverseindicatorspringmustbecorrect beforethefollowingadjustmentscanbemade. SeetheReverseIndicatorAdjustmentsection.
Note:Themotioncontrolleverneedstobein neutralwhilemakinganynecessaryadjustments.
Theleftrodassemblycontrolstheleftwheeland therightrodassemblycontrolstherightwheel.
8.Bringthemotioncontrolleverintotheneutral position.AdjustRHpumpcontrolrodlength byrotatingthedoublenutsontherodinthe appropriatedirectionuntilthewheelsslightly creepinreverse(
Figure27).Movethemotion controllevertothereversepositionandwhile applyingslightpressuretotheleverallowthe reverseindicatorspringtobringtheleversbackto neutral.Thewheelmuststopturningorslightly creepinreverse.Whenadjustmentiscomplete, tightenlocknutsontoballjoints.
9.BringtheLHmotioncontrolleverintothe neutralposition.AdjusttheLHpumpcontrolrod lengthbyrotatingthetrackingadjustmentknobin theappropriatedirectionuntilthewheelsslightly creepinreverse.Movethemotioncontrollever tothereversepositionandwhileapplyingslight pressuretotheleverallowthereverseindicator springtobringtheleversbacktoneutral.The wheelmuststopturningorslightlycreepin reverse(
Figure28).
Figure28
Left-HandSideofUnit
1.TurnLHtrackingadjustmentknob.(DoNotloosenany nutsonLHside)
10.Shutoffunit.Removejumperwirefromwire harnessconnectorandplugconnectorintoseat switch.
45
Page 46
Maintenance
MotionControlDamper Adjustment
Thetopdampermountingboltcanbeadjustedto obtainamoredesiredmotioncontrolleverresistance. See
Figure29formountingoptions.
Figure29
1.Motioncontrolbracket
2.Leastresistance(softestfeel)
3.Mediumresistance(mediumfeel)
4.Mostresistance(rmestfeel)
5.Torquenylocnutto200in-lb(16.7ft-lb).Boltmust protrudepastendofnylocnutaftertorque.
6.Damper
7.Dampermustmovefreelyonbolt.
CasterPivotBearings Pre-LoadAdjustment
Removedustcapfromcasterandtightennylocnut untilwashersareatandbackoff1/4ofaturn toproperlysetthepre-loadonthebearings.If disassembled,makesurethespringdiscwashersare reinstalledasshownin
Figure30.
Figure30
1.Springdiscwashers
46
Page 47
Maintenance
Cleaning
CleanEngineCooling System
ServiceInterval:Beforeeachuseordaily
(Mayberequiredmore oftenindryordirty conditions.)
CAUTION
Excessivedebrisaroundtheenginecooling airintakeandinsideofthepumpdrivebelt compartmentanddamagedormissingrubber bafescancausetheengineandhydraulic systemtooverheatwhichcancreatearehazard.
Cleanalldebrisfrominsideofpumpdrive beltcompartmentdaily.
Cleandebrisfromradiatorscreenandcore daily.
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Cleanalldebrisfrominsideofpumpdrivebelt compartment.
3.Wipedebrisfromscreeninenginecover.
4.Rotateenginecoverforwardandwipedebris fromradiatorcoreasrequired.
5.Cleandebrisfromradiatornswithcompressed air.
Important:Ifdebrisoraircannotbeblown throughtheradiator,seeCleaningofthe Radiatorsection.
6.Inspectsealsinenginecoverandreplaceif necessary.
CleanEngineandExhaust SystemArea
ServiceInterval:Beforeeachuseordaily
(Mayberequiredmore oftenindryordirty conditions.)
CAUTION
Excessivedebrisaroundengineandexhaust systemareacancauseengine,exhaustarea,and hydraulicsystemtooverheatwhichcancreate arehazard.
Cleanalldebrisfromengineandexhaustsystem area.
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Removeairdeectorpanelfrombehindseat.
3.Cleanaroundywheel,cylinderhead,injectors, andinjectorpump.
4.Cleanalldebrisfromtheexhaustsystemarea.
5.Wipeupanyexcessivegreaseoroilaroundthe engineandexhaustarea.
6.Reinstalltheairdeectorpanel.
Important:DoNotusewatertoclean engine.Uselowpressurecompressedair.See EngineOwner’sManual.
CleantheRadiator
ServiceInterval:Every50hours(Maybe
requiredmoreoftenindry ordirtyconditions.)
1.Stopengine,waitforallrotatingpartstostopand removekey.Engageparkingbrake.
2.Allowenginetocool.
3.Rotateseatandenginecoverforward.
4.Whileholdingfanup,removethefourscrews attachingthefantotheshroud.Disconnectand removethefan.
5.Usingcompressedair,blowoutdebrisstuck betweenthensoftheentireradiator,bothfrom thetopdownandfromthebottomup.
6.Ifdebrisremains,itmaybenecessarytousewater fromalowpressurehose.Iftheradiatorisclean, proceedtostep
8.
7.Covertheenginewithapieceofcardboard,ora plasticsheet.Squirtwaterdownthroughthens. Blowthroughwithlowpressureairfromboth directions.Ifdebrisremains,repeatuntilclean.
8.Re-assemblethefantotheradiator.Reconnect thefan.
9.Starttheenginetoensurethefanisfunctioning properly.
47
Page 48
Maintenance
CleanDebrisFromMachine
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Cleanoffanyoil,debris,orgrassbuild-uponthe machineandcuttingdeck,especiallyunderdeck beltshields,aroundthefueltank,aroundengine andexhaustarea.
CleanGrassBuild-UpUnder Deck
ServiceInterval:Beforeeachuseordaily
1.Stopengine,waitforallmovingpartstostop,and removekey.Engageparkingbrake.
2.Raisedecktothetransport(5inch(12.7cm) cuttingheight)position.Liftthefrontofunit andsupportunitusingjackstandsorequivalent support.
CAUTION
Raisingthemowerdeckforserviceor maintenancerelyingsolelyonmechanical orhydraulicjackscouldbedangerous.The mechanicalorhydraulicjacksmaynotbe enoughsupportormaymalfunctionallowing theunittofall,whichcouldcauseinjury.
DoNotrelysolelyonmechanicalorhydraulic jacksforsupport.Useadequatejackstands orequivalentsupport.
3.Cleanoutanygrassbuild-upfromundersideof deckandindischargedeector.
WasteDisposal
MotorOilDisposal
Engineoilandhydraulicoilarebothpollutantsto theenvironment.Disposeofusedoilatacertied recyclingcenteroraccordingtoyourstateandlocal regulations.
BatteryDisposal
DANGER
Batteryelectrolytecontainssulfuricacid,which ispoisonousandcancausesevereburns. Swallowingelectrolytecanbefatalorifittouches skincancausesevereburns.
Wearsafetyglassestoshieldeyes,andrubber glovestoprotectskinandclothingwhen handlingelectrolyte.
DoNotswallowelectrolyte.
Intheeventofanaccident,ushwithwater andcalladoctorimmediately.
Federallawstatesthatbatteriesshouldnotbeplaced inthegarbage.Managementanddisposalpractices mustbewithinrelevantfederal,state,orlocallaws.
Ifabatteryisbeingreplacedoriftheunitcontaining thebatteryisnolongeroperatingandisbeing scrapped,takethebatterytoalocalcertiedrecycling center.Ifnolocalrecyclingisavailablereturnthe batterytoanycertiedbatteryreseller.
48
Page 49
Troubleshooting
Troubleshooting
Important:Itisessentialthatalloperatorsafetymechanismsbeconnectedandinproperoperating
conditionpriortomoweruse.
Whenaproblemoccurs,donotoverlookthesimplecauses.Forexample:startingproblemscouldbecaused byanemptyfueltank.
Thefollowingtablelistssomeofthecommoncausesoftrouble.Donotattempttoserviceorreplacemajor itemsoranyitemsthatcallforspecialtimingofadjustmentprocedures(suchasvalves,governor,etc.).Have thisworkdonebyyourEngineServiceDealer.
Note:WhendisconnectingelectricalconnectorsDONOTpullonthewirestoseparatetheconnectors.
ProblemPossibleCauseCorrectiveAction
1.PTOisengaged.
1.DisengagethePTO .
2.Parkingbrakeisnotengaged.2.Settheparkingbrake.
3.Driveleversarenotinneutrallock position.
3.Ensurethedriveleversareintheneutral lockposition.
4.Batterydoesnothaveafullcharge.
4.
Chargethebattery.SeeCheck
BatteryChargeandRecommended JumpStartingProceduresectionsin
Maintenance.
5.Electricalconnectionsarecorroded,loose orfaulty.
5.Checktheelectricalconnectionsfor goodcontact.Cleanconnectorterminals thoroughlywithelectricalcontactcleaner, applydielectricgreaseandreconnect.
6.Fuseisblown.6.Replacetheblownfuse.
Starterdoesnotcrank
7.Relayorswitchisdefective.7.ContactanAuthorizedServiceDealer.
1.Fueltankisempty.1.Fillthefueltank.
2.Fuelshutoffvalveisclosed.
2.Openthefuelshutoffvalve.
3.Oillevelinthecrankcaseislow .
3.Addoiltothecrankcase.
4.Thethrottleandchokearenotinthe correctposition.
4.Besurethethrottlecontrolismidway betweenthe“SLOW”and“F AST” positions,andthechokeisinthe“ON” positionforacoldengineorthe“OFF” positionforawarmengine.
5.Dirtinfuellter.5.Replacethefuellter.
6.Dirt,water,orstalefuelisinthefuel system.
6.ContactanAuthorizedServiceDealer.
7.Aircleanerisdirty.
7.Cleanorreplacetheaircleanerelement.
8.Seatswitchisnotfunctioningproperly.
8.Checktheseatswitchindicator.Replace seatifneeded.
9.Electricalconnectionsarecorroded,loose orfaulty.
9.Checktheelectricalconnectionsfor goodcontact.Cleanconnectorterminals thoroughlywithelectricalcontactcleaner, applydielectricgreaseandreconnect.
Enginewillnotstart,startshard,orfailsto keeprunning
10.Relayorswitchisdefective.10.ContactanAuthorizedServiceDealer.
1.Engineloadisexcessive1.Reducethegroundspeed.
2.Aircleanerisdirty.
2.Cleanorreplacetheaircleanerelement.
3.Oillevelinthecrankcaseislow .
3.Addoiltothecrankcase.
4.Coolingnsandairpassagesforthe engineareplugged.
4.Removetheobstructionsfromthecooling nsandairpassages.
5.V entholeinthefuelcapisplugged.
5.Cleanorreplacethefuelcap.
6.Dirtinfuellter.6.Replacethefuellter.
Enginelosespower
7.Dirt,water,orstalefuelisinthefuel system.
7.ContactanAuthorizedServiceDealer.
49
Page 50
Troubleshooting
ProblemPossibleCauseCorrectiveAction
1.Engineloadisexcessive.1.Reducethegroundspeed.
2.Oillevelinthecrankcaseislow .
2.Addoiltothecrankcase.
3.Dirtyairlter.
3.Cleanorreplacetheaircleanerelement.
4.Coolantlevelislow .
4.Addcoolant.
5.Debrisonoraroundradiator.
5.
Removedebris(seeCleantheRadiator sectioninMaintenance).
Engineoverheats.
6.W aterpumporalternatorbeltisworn, loose,orbroken.
6.ContactanAuthorizedServiceDealer.
1.Trackingneedsadjustment.1.Adjustthetracking.
2.Tirepressureindrivetiresnotcorrect.2.Adjusttirepressureinthedrivetires.
Mowerpullsleftorright(withleversfully forward)
3.Reverseindicatorandmotioncontrol linkageneedadjustment.
3.Adjustthereverseindicatorandthe motioncontrollinkage.
1.Bypassvalveisnotclosedtight.1.Tightenthebypassvalve.
2.Driveorpumpbeltisworn,looseor broken.
2.Changethebelt.
3.Driveorpumpbeltisoffapulley.3.Changethebelt.
4.Brokenormissingidlerspring.
4.Replacethespring.
Machinedoesnotdrive
5.Hydraulicuidlevelislowortoohot.5.Addhydraulicuidtoreservoirorletit
cooldown.
1.Blade(s)notsharp.1.Sharpentheblade(s).
2.Cuttingblade(s)is/arebent.
2.Installnewcuttingblade(s).
3.Mowerdeckisnotlevel.3.Levelmowerdeckfromside-to-sideand
front-to-rear.
4.Undersideofmowerisdirty.4.Cleantheundersideofthemower.
5.Tirepressureindrivetiresnotcorrect.5.Adjusttirepressureinthedrivetires.
6.Bladespindlebent.6.ContactanAuthorizedServiceDealer.
Unevencuttingheight.
7.Tipsofadjacentbladesareatanuneven cuttingheight.Bladestipsshouldbeeven within3/16inchwhichisapproximately onebladethickness.
7.Replaceblades,spindlesand(or)check fordamagetomowerdeck.
1.Cuttingblade(s)is/arebentorunbalanced.
1.Installnewcuttingblade(s).
2.Blademountingboltisloose.2.Tightentheblademountingbolt.
3.Enginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Looseenginepulley ,idlerpulley ,orblade pulley.
4.Tightentheappropriatepulley .
5.Enginepulleyisdamaged.5.ContactanAuthorizedServiceDealer.
6.Bladespindleisbent.6.ContactanAuthorizedServiceDealer.
Abnormalvibration
7.Beltisdamaged.7.Installnewbelt.
1.Drivebeltisworn,looseorbroken.1.Checkthebelttension.
2.Drivebeltisoffpulley .2.Checkbeltfordamage;replaceif
necessary.Installdrivebeltandcheckbelt guideforcorrectposition.
3.Deckbeltisworn,looseorbroken.3.Installnewdeckbelt.
4.Deckbeltisoffpulley.4.Installdeckpulleyandchecktheidler
pulley,idlerarmandspringforcorrect positionandfunction.
5.Brokenormissingidlerspring.
5.Replacethespring.
Bladesdonotrotate.
6.Clutchhasdisengaged.6.Enginehasoverheated;determinecause
ofoverheat(seeEngineoverheats).
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Troubleshooting
ProblemPossibleCauseCorrectiveAction
1.T emperatureisincreasingoncoolant temperaturegauge.
1.Turnunitoffandallowengineandengine componentstocool.
2.Coolantlevelislow .
2.Addcoolant.
3.Debrisonoraroundradiator.3.Removedebris.
Warningbuzzeremitscontinuousbeep.(See alsoEngineoverheats).
4.W aterpumporalternatorbeltisworn, looseorbroken.
4.ContactAuthorizedServiceDealer.
1.Oillevelislow .1.Checkoillevel.
Warningbuzzeremitsintermittentbeep.
2.Oilleakingfromengine.
2.ContactAuthorizedServiceDealer.
1.Fuseisblown.
1.Replacefuse.Checkcoilresistance, batterycharge,chargingsystem,and wiringconnectionsandreplaceif necessary.
2.Lowvoltagesupplyattheclutch.
2.Checkcoilresistance,batterycharge, chargingsystem,andwiringconnections andreplaceifnecessary.
3.Damagedcoil.
3.Replaceclutch.
4.Inadequatecurrentsupply.4.Repairorreplaceclutchleadwireor electricalsystem.Cleanconnector contacts.
5.Rotor/armatureairgapistoolarge.
5.Removeshimorreplaceclutch.
Clutchwillnotengage.
6.Enginehasoverheated.
6.Determinecauseofoverheat(seeEngine overheats).
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Schematics
Schematics
ElectricalDiagram
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Schematics
ElectricalSchematic
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Conditions and Products Covered
Exmark Mfg. Co. Inc. and its affiliate, Exmark Warranty Company, pursuant to an agreement between them, jointly warrant on the terms and conditions herein, that we will repair, replace or adjust any part on these products and found by us (in the exercise of our reasonable discretion) to be defective in factory materials or workmanship for a period of two years.
This warranty applies to Exmark commercial turf equipment sold in the U.S. or Canada. This warranty may only be assigned or transferred to a second (or third) owner by an authorized Exmark dealer. The warranty period commences upon the date of the original retail purchase.
 Warranty Exceptions Warranty Period
• Bags, Belts and Tires 90 days
• Battery 1 Year Prorated
• Engine *
* The Engine warranty is covered by the engine manufacturer. Please refer to the engine manufacturer’s warranty statement that is included in the literature packet.
This warranty only includes the cost of parts and labor.
Items and Conditions Not Covered
This warranty does not cover the following:
• Pickup and delivery charges to and from any authorized   Exmark Service Dealer.
• Any damage or deterioration due to normal use, wear and   tear, or exposure.
• Cost of regular maintenance service or parts, such as filters,   fuel, lubricants, tune-up parts, and adjustments.
• Any product or part which has been altered or misused or   required replacement or repair due to normal wear,    accidents, or lack of proper maintenance.
• Any repairs necessary due to use of parts, accessories or   supplies, including gasoline, oil or lubricants, incompatible   with the turf equipment or other than as recommended in   the operator's manual or other operational instructions   provided by Exmark.
There are no other express warranties except for engine and special emission system coverage.
All warranty work must be performed by an authorized Exmark Service Dealer using Exmark approved replacement parts.
Instructions for Obtaining Warranty Service
The product must be registered with original proof of purchase by an Exmark Service Dealer before obtaining any warranty service.
Contact any Exmark Service Dealer to arrange service at their dealership. To locate a dealer convenient to you, access our website at www.exmark.com. U.S. or Canada customers may also call 402-223-6375.
If for any reason you are dissatisfied with the Service Dealer’s analysis or with the assistance provided, contact us at:
Exmark Customer Service Department  The Exmark Warranty Company  2101 Ashland Avenue  Beatrice, NE 68310  402-223-6375 or  service@exmark.com
Owner’s Responsibilities
If your product requires warranty service it must be returned to an authorized Exmark service dealer within the warranty period. This warranty extends only to turf equipment operated under normal conditions. You must read the operator’s manual. You must also properly service and maintain your Exmark product as described in the operator’s manual. Such routine maintenance, whether performed by a dealer or by you, is at your expense.
General Conditions
The sole liability of Exmark and Exmark Warranty Company with respect to this warranty shall be repair or replacement of defective components as set forth herein. Neither Exmark
nor Exmark Warranty Company shall be liable for any incidental or consequential loss or damage.
Such damages include but are not limited to:
• Expenses related to gasoline, oil or lubricants.
• Travel time, overtime, after hours time or other    extraordinary repair charges or charges relating to repairs or  replacements outside of normal business hours at the place   of business of the authorized Exmark Service Dealer.
• Rental of like or similar replacement equipment during the   period of any warranty, repair or replacement work.
• Any telephone or telegram charges or travel charges.
• Loss or damage to person or property other than that   covered by the terms of this warranty.
• Any claims for lost revenue, lost profit or additional cost as   a result of a claim of breach of warranty.
• Attorney's fees.
No Claim of breach of warranty shall be cause for cancellation or rescission of the contract of sale of any Exmark mower.
All implied warranties of merchantability (that the product is fit for ordinary use) and fitness for use (that the product is fit for a particular purpose) are limited to the duration of the express warranty.
Some states do not allow exclusions of incidental or consequential damages, or limitations on how long an implied warranty lasts, so the above exclusions and limitations may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Exmark Commercial Turf Equipment
2 Year Limited Warranty
G4500-589_C
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Notes:
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Notes:
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ServiceRecord
Date:
DescriptionofWorkDone:ServiceDoneBy:
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G011841
Figure31
Thispagemaybecopiedforpersonaluse.
1.Themaximumslopeyoucansafelyoperatethemachineonis15degrees.Usetheslopeindicatortodeterminethe degreeofslopeofhillsbeforeoperating.DoNotoperatethismachineonaslopegreaterthan15degrees.Fold alongtheappropriatelinetomatchtherecommendedslope.
2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.
3.Exampleofhowtocompareslopewithfoldededge.
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MI D-MOUNT RIDING ACCE SSORIES AND OPTIONS
SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS
WALK-BEHIND ACCESSORIES AND OPTIONS
GRASS CATCHER
MICRO-MULCH SYSTEM
TURF STRIPER
STANDON
CUSTOM RIDE SEAT SUSPENSION SYSTEM
FULL SUSPENSION SEAT
DECK LIFT ASSIST KIT
HITCH KIT
LIGHT KIT
12
V POWER PORT
MICRO-MULCH SYSTEM
OPERATOR CONTROLLED DISCHARGE
ROLL OVER PROTECTION SYSTEM (ROPS)
SUN SHADE
TRASH CONTAINER
TURF STRIPER
ULTRA VAC COLLECTION SYSTEM
ULTRA VAC QUICK DISPOSAL SYSTEM
OU T-F RONT RIDING AC CESSORIES A ND OPTIONS
CUSTOM RIDE SEAT SUSPENSION SYSTEM
DUAL-TAIL WHEEL
FLOOR PAN EXTENDER
HITCH KIT
LIGHT KIT
MICRO-MULCH SYSTEM
ROLL OVER PROTECTION SYSTEM (ROPS)
SNOW BLADE
SNOWBLOWER
SUN SHADE
TRASH CONTAINER
ULTRA VAC COLLECTION SYSTEM
ULTRA VAC QUICK DISPOSAL SYSTEM
WEATHER CAB
PlaceModelNo.andSerialNo.
LabelHere(IncludedintheLiterature
Pack)orFillinBelow
DatePurchased
EngineModelNo.andSpec.No.
ModelNo.EngineSerialNo.(E/No)
SerialNo.
©2011ExmarkMfg.Co.,Inc. IndustrialParkBox808 Beatrice,NE68310 AllRightsReserved
PartNo.4500-919Rev .A (402)223-6300 Fax(402)223-5489 PrintedintheUSA
www.exmark.com
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