Exmark Lazer Z CT User manual

ForSerialNos.
720,000&Higher
LAZERZ®CT
PlaceModelNo.andSerialNo.
LabelHere(IncludedintheLiterature
Pack)orFillinBelow
DatePurchased
EngineModelNo.andSpec.No.
ModelNo.EngineSerialNo.(E/No)
SerialNo.
PartNo.4500-130Rev.A

WARNING
CALIFORNIA
Proposition65Warning
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,or
otherreproductiveharm.
Important:Whenthemowerisusedoroperated
onanyCaliforniaforest,brushorgrasscovered
land,aworkingsparkarrestermustbeattached
tothemufer.Ifnot,theoperatorisviolating
statelaw,Section4442PublicResourceCode.To
acquireasparkarresterforyourunit,seeyour
EngineServiceDealer.
ThissparkignitionsystemcomplieswithCanadian
ICES-002Cesystèmed’allumageparètincellede
vèhiculeestconformeàlanormeNMB-002du
Canada
TheenclosedEngineOwner’sManualis
suppliedforinformationregardingTheU.S.
EnvironmentalProtectionAgency(EPA)and
theCaliforniaEmissionControlRegulationof
emissionsystems,maintenanceandwarranty.
KeepthisengineOwner’sManualwithyourunit.
ShouldthisengineOwner’sManualbecome
damagedorillegible,replaceimmediately.
Replacementsmaybeorderedthroughthe
enginemanufacturer.
Exmarkreservestherighttomakechangesor
addimprovementstoitsproductsatanytime
withoutincurringanyobligationtomakesuch
changestoproductsmanufacturedpreviously.
Exmark,oritsdistributorsanddealers,accept
noresponsibilityforvariationswhichmaybe
evidentintheactualspecicationsofitsproducts
andthestatementsanddescriptionscontained
inthispublication.
©2004–2007—ExmarkMfg.Co.,Inc.
IndustrialParkBox808
Beatrice,NE683102
Contactusatwww.Exmark.com.
PrintedintheUSA.
AllRightsReserved

EXMARK PARTS PLUS®PROGRAM
EFFECTIVE DATE: September 1, 1995
Program
If your Exmark dealer does not have the Exmark part in stock, Exmark will
get the parts to the dealer the next business day or the part will be FREE*
Guaranteed!!
How the Program Works
1. If dealer does not have part in stock for a "down" unit at the time of request by customer, the dealer contacts his distributor
by 1:00 p.m., local time, and requests Exmark Parts Plus
®
shipment of six (6) line items or less.
2. Distributor ships part(s) to dealer or customer, as requested by dealer, same day, overnight UPS Distributor bills dealer for
part and freight charges where applicable.
3. If distributor does not have the part(s) in stock to satisfy Exmark Parts Plus
®
order, he contacts Exmark by 3:00 p.m., central
time, with an Exmark Parts Plus
®
order of six (6) line items or less.
4. If order is received by 3:00 p.m. central time, Exmark ships part(s) direct to dealer or customer, as requested by distributor,
same day, overnight UPS, Exmark bills the distributor for parts and shipping charges, where applicable.
5. The customer pays for the part and freight if it is shipped under the Exmark Parts Plus
®
and if it arrives in accordance to the
program.
6. Who pays for the part and freight if it fails to arrive overnight in accordance to the program?
A. Under any circumstance the customer does not pay.
B. If the part does not arrive overnight due to:
1. The dealer not submitting the Exmark Parts Plus
®
order to his Exmark distributor by 1:00 p.m., the dealer
pays for the part and freight.
2. The Distributor being unable to ship the part the same day or not submitting the Exmark Parts Plus
®
order
to Exmark by 3:00 p.m., central time, the Distributor pays for the part and freight.
3. Exmark being unable to ship the part and the Exmark parts order is received by 3:00 p.m., central time,
Exmark pays for the part and freight.
4. If the part does not arrive overnight due to the shipper (UPS), the shipper pays for the freight and Exmark
pays for the part.
* The following restrictions apply -- The Exmark Parts Plus
®
Program is available only through participating Exmark
Dealers and applies only to orders submitted on this program Monday through Thursday. Parts Plus service is available only in
the 48 contiguous United States. UPS has initiated a Saturday delivery program to many areas of the continental United States
and can be requested for an overnight shipment on Friday to be delivered Saturday. The next day air charge, plus the Saturday
delivery fee will be the responsibility of the purchaser. Exmark Mfg. will assume no responsibility for Saturday delivery
shipments. To qualify, all Exmark Parts Plus
®
orders must be received by Exmark by 3:00 p.m., central time. Orders must be
six (6) line items or less. Exclusions from the Exmark Parts Plus
®
Program are: Any wholegood or accessory in its entirety,
engines and engine replacement parts, 5-speed Peerless transmissions and 5-speed transaxles, hydraulic or hydrostatic wheel
motors, cutter decks and engine decks or any item exceeding United Parcel Service size and weight restrictions.
Due to UPS restrictions, aerosol spray paint is considered a hazardous material and cannot be shipped via UPS next day or
Second Day Air.
Exmark Manufacturing stocks a limited supply of parts for transaxles, pumps and wheel motors. These parts can be ordered
for Next Day Air shipment but will not be guaranteed per the Parts Plus Program.
3

Introduction
CONGRATULATIONSonthepurchaseofyour
ExmarkMower.Thisproducthasbeencarefully
designedandmanufacturedtogiveyouamaximum
amountofdependabilityandyearsoftrouble-free
operation.
Thismanualcontainsoperating,maintenance,
adjustment,andsafetyinstructionsforyourExmark
mower.
BEFOREOPERATINGYOURMOWER,
CAREFULLYREADTHISMANUALINITS
ENTIRETY.
Byfollowingtheoperating,maintenance,andsafety
instructions,youwillprolongthelifeofyourmower,
maintainitsmaximumefciency,andpromotesafe
operation.
Ifadditionalinformationisneeded,orshouldyou
requiretrainedmechanicservice,contactyour
authorizedExmarkequipmentdealerordistributor.
AllExmarkequipmentdealersanddistributorsare
keptinformedofthelatestmethodsofservicing
andareequippedtoprovidepromptandefcient
serviceintheeldorattheirservicestations.They
carryamplestockofservicepartsorcansecurethem
promptlyforyoufromthefactory.
AllExmarkpartsarethoroughlytestedandinspected
beforeleavingthefactory,however,attentionis
requiredonyourpartifyouaretoobtainthefullest
measureofsatisfactionandperformance.
Wheneveryouneedservice,genuineExmarkparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorExmarkCustomerServiceandhave
themodelandserialnumbersofyourproductready.
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
4

Contents
Introduction...........................................................4
Safety.....................................................................6
SafetyAlertSymbol.........................................6
SafeOperatingPractices..................................6
SafetyandInstructionalDecals.....................11
Specications.......................................................15
ModelNumbers............................................15
Systems.........................................................15
Dimensions...................................................17
TorqueRequirements....................................17
ProductOverview................................................18
Operation.............................................................18
Controls........................................................18
Pre-Start........................................................19
OperatingInstructions..................................20
Transporting.................................................23
Maintenance.........................................................25
RecommendedMaintenanceSchedule(s)...........25
PeriodicMaintenance.......................................26
CheckEngineOilLevel.................................26
CheckBatteryCharge....................................26
CheckMowerBlades.....................................27
CheckSafetyInterlockSystem.......................27
CheckRolloverProtectionSystem(Roll
Bar)Pins...................................................28
CheckSeatBelt..............................................28
CheckforLooseHardware............................28
ServiceAirCleaner........................................28
ChangeEngineOil........................................28
CheckHydraulicOilLevel.............................28
CheckTirePressures.....................................29
CheckConditionOfBelts..............................29
LubricateGreaseFittings...............................29
LubricateCasterWheelHubs........................30
LubricateBrakeHandlePivot........................30
LubricateBrakeRodBushings.......................30
LubricateMotionControlBronze
Bushings...................................................31
LubricateSeatSwitchActuator......................31
CheckSparkPlugs.........................................31
ChangeHydraulicSystemFilter.....................31
WheelHub-SlottedNutTorque
Specication..............................................31
ThreadLockingAdhesives.............................32
MobilHTSGrease(OrFood-Grade
Anti-seize).................................................32
Copper-BasedAnti-seize..............................32
DielectricGrease...........................................32
Adjustments.....................................................33
DeckLeveling...............................................33
PumpDriveBeltTension...............................33
DeckBeltTension........................................34
BrakeAdjustment..........................................34
ElectricClutchAdjustment............................34
ReverseIndicatorAdjustment........................34
MotionControlLinkageAdjustment.............34
AdjustSeatSwitch........................................35
CasterPivotBearingsPre-Load
Adjustment...............................................36
Cleaning...........................................................36
CleanEngineCoolingSystem........................36
CleanUnderEngineBlowerHousing.............36
CleanGrassBuild-UpUnderDeck................36
WasteDisposal..............................................37
Troubleshooting...................................................38
Schematics...........................................................40
5

Safety
Safety
SafetyAlertSymbol
ThisSafetyAlertSymbol(Figure2)isusedbothin
thismanualandonthemachinetoidentifyimportant
safetymessageswhichmustbefollowedtoavoid
accidents
Thissymbolmeans:ATTENTION!BECOME
ALERT!YOURSAFETYISINVOLVED!
Figure2
1.Safetyalertsymbol
Thesafetyalertsymbolappearsaboveinformation
whichalertsyoutounsafeactionsorsituations
andwillbefollowedbythewordDANGER,
WARNING,orCAUTION.
DANGER:Whitelettering/Redbackground.
Indicatesanimminentlyhazardoussituationwhich,if
notavoided,Willresultindeathorseriousinjury.
WARNING:Blacklettering/Orangebackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Couldresultindeathorseriousinjury.
CAUTION:Blacklettering/Yellowbackground.
Indicatesapotentiallyhazardoussituationwhich,if
notavoided,Mayresultinminorormoderateinjury.
Thismanualusestwootherwordstohighlight
information.Importantcallsattentiontospecial
mechanicalinformationandNoteemphasizes
generalinformationworthyofspecialattention.
SafeOperatingPractices
Training
•ReadtheOperator’sManualandothertraining
material.Iftheoperator(s)ormechanic(s)can
notreadEnglishitistheowner’sresponsibilityto
explainthismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperate
orservicetheequipment.Localregulationsmay
restricttheageoftheoperator.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtohimselfor
herself,otherpeopleorproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessories
andattachmentsareneededtoproperlyand
safelyperformthejob.Onlyuseaccessoriesand
attachmentsapprovedbyExmark.
•Wearappropriateclothingincludingsafetyglasses,
substantialfootwear,longtrousers,andhearing
protection.DoNotoperatewhenbarefootor
whenwearingopensandals.Longhair,loose
clothingorjewelrymaygettangledinmoving
parts.
CAUTION
Thismachineproducessoundlevelsin
excessof85dBAattheoperator’searand
cancausehearinglossthroughextended
periodsofexposure.
Wearhearingprotectionwhenoperatingthis
machine.
•Inspecttheareawheretheequipmentistobe
usedandremoveallrocks,toys,sticks,wires,
bones,andotherforeignobjectswhichcanbe
thrownbythemachineandmaycausepersonal
injurytotheoperatororbystanders.
6

Safety
DANGER
Incertainconditionsgasolineisextremely
ammableandvaporsareexplosive.
Areorexplosionfromgasolinecanburn
you,others,andcausepropertydamage.
•Fillthefueltankoutdoorsinanopen
area,whentheengineiscold.Wipeup
anygasolinethatspills.
•Neverrellthefueltankordrainthe
machineindoorsorinsideanenclosed
trailer.
•DoNotllthefueltankcompletely
full.Addgasolinetothefueltankuntil
thelevelis1/4to1/2inch(6–13mm)
belowthebottomofthellerneck.This
emptyspaceinthetankallowsgasoline
toexpand.
•Neversmokewhenhandlinggasoline,
andstayawayfromanopenameor
wheregasolinefumesmaybeignitedby
spark.
•Storegasolineinanapprovedcontainer
andkeepitoutofthereachofchildren.
•Addfuelbeforestartingtheengine.
Neverremovethecapofthefueltankor
addfuelwhenengineisrunningorwhen
theengineishot.
•Iffuelisspilled,DoNotattempttostart
theengine.Moveawayfromtheareaof
thespillandavoidcreatinganysourceof
ignitionuntilfuelvaporshavedissipated.
•DoNotoperatewithoutentireexhaust
systeminplaceandinproperworking
condition.
DANGER
Incertainconditionsduringfueling,static
electricitycanbereleasedcausingaspark
whichcanignitegasolinevapors.Areor
explosionfromgasolinecanburnyouand
othersandcausepropertydamage.
•Alwaysplacegasolinecontainersonthe
groundawayfromyourvehiclebefore
lling.
•DoNotllgasolinecontainersinsidea
vehicleoronatruckortrailerbedbecause
interiorcarpetsorplastictruckbedliners
mayinsulatethecontainerandslowthe
lossofanystaticcharge.
•Whenpractical,removegas-powered
equipmentfromthetruckortrailerand
refueltheequipmentwithitswheelson
theground.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfroma
portablecontainer,ratherthanfroma
gasolinedispensernozzle.
•Ifagasolinedispensernozzlemustbe
used,keepthenozzleincontactwiththe
rimofthefueltankorcontaineropening
atalltimesuntilfuelingiscomplete.
WARNING
Gasolineisharmfulorfatalifswallowed.
Long-termexposuretovaporshascaused
cancerinlaboratoryanimals.Failuretouse
cautionmaycauseseriousinjuryorillness.
•Avoidprolongedbreathingofvapors.
•Keepfaceawayfromnozzleandgas
tank/containeropening.
•Keepawayfromeyesandskin.
•Neversiphonbymouth.
•Checkthattheoperator’spresencecontrols,
safetyswitches,andshieldsareattachedand
functioningproperly.DoNotoperateunlessthey
arefunctioningproperly.
7

Safety
Operation
WARNING
Operatingengineparts,especiallythe
mufer,becomeextremelyhot.Severeburns
canoccuroncontactanddebris,suchas
leaves,grass,brush,etc.cancatchre.
•Allowengineparts,especiallythemufer,
tocoolbeforetouching.
•Removeaccumulateddebrisfrommufer
andenginearea.
•Installandmaintaininworkingordera
sparkarresterbeforeusingequipment
onforest-covered,grass-covered,or
brush-coveredunimprovedland.
WARNING
Engineexhaustcontainscarbonmonoxide,
whichisanodorlessdeadlypoisonthatcan
killyou.
DoNotrunengineindoorsorinasmall
connedareawheredangerouscarbon
monoxidefumescancollect.
•Operateonlyindaylightorgoodarticiallight,
keepingawayfromholesandhiddenhazards.
•Besurealldrivesareinneutralandparkingbrake
isengagedbeforestartingengine.Useseatbelts.
•Neveroperatethemowerwithdamagedguards,
shields,orcovers.Alwayshavesafetyshields,
guards,switchesandotherdevicesinplaceandin
properworkingcondition.
•Nevermowwiththedischargedeectorraised,
removedoralteredunlessthereisagrass
collectionsystemormulchkitinplaceand
workingproperly.
•DoNotchangetheenginegovernorsettingor
overspeedtheengine.
•Stopengine,waitforallmovingpartstostop,
removekeyandengageparkingbrake:
–Beforechecking,cleaningorworkingonthe
mower.
–Afterstrikingaforeignobjectorabnormal
vibrationoccurs(inspectthemowerfor
damageandmakerepairsbeforerestarting
andoperatingthemower).
–Beforeclearingblockages.
–Wheneveryouleavethemower.
•Stopengine,waitforallmovingpartstostop,and
engageparkingbrake:
–Beforerefueling.
–Beforedumpingthegrasscatcher.
WARNING
Hands,feet,hair,clothing,oraccessoriescan
becomeentangledinrotatingparts.Contact
withtherotatingpartscancausetraumatic
amputationorseverelacerations.
•DoNotoperatethemachinewithout
guards,shields,andsafetydevicesin
placeandworkingproperly.
•Keephands,feet,hair,jewelry,orclothing
awayfromrotatingparts.
•NEVERcarrypassengers.DONOToperate
themowerwhenpeople,especiallychildren,or
petsareinthearea.
•Bealert,slowdownandusecautionwhenmaking
turns.Lookbehindandtothesidebefore
changingdirections.
•Stoptheblades,slowdown,andusecautionwhen
crossingsurfacesotherthangrassandwhen
transportingthemowertoandfromtheareato
bemowed.
•Beawareofthemowerdischargepathanddirect
dischargeawayfromothers.
•DoNotoperatethemowerundertheinuence
ofalcoholordrugs.
•Useextremecarewhenloadingorunloadingthe
machineintoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.
SlopeOperation
UseExtremecautionwhenmowingand/orturning
onslopesaslossoftractionand/ortip-overcould
occur.Theoperatorisresponsibleforsafeoperation
onslopes.
8

Safety
DANGER
Operatingonwetgrassorsteepslopescan
causeslidingandlossofcontrol.Wheels
droppingoveredges,ditches,steepbanks,or
watercancauserollovers,whichmayresult
inseriousinjury,deathordrowning.
•DoNotmowslopeswhengrassiswet.
•DoNotmowneardrop-offsornearwater.
•DoNotmowslopesgreaterthan15
degrees.
•Reducespeedanduseextremecaution
onslopes.
•Avoidsuddenturnsorrapidspeed
changes.
•Seeinsidethebackcovertodeterminethe
approximateslopeangleoftheareatobemowed.
•Useawalkbehindmowerand/orahandtrimmer
neardrop-offs,ditches,steepbanksorwater.
(Figure3).
Figure3
1.SafeZone-Usethe
mowerhereonslopes
lessthan15degrees
3.Water
2.DangerZone-Useawalk
behindmowerand/or
handtrimmernear
drop-offsandwater.
•Removeormarkobstaclessuchasrocks,tree
limbs,etc.fromthemowingarea.Tallgrasscan
hideobstacles.
•Watchforditches,holes,rocks,dipsandrisesthat
changetheoperatingangle,asroughterraincould
overturnthemachine.
•Avoidsuddenstartswhenmowinguphillbecause
themowermaytipbackwards.
•Beawarethatlossoftractionmayoccurgoing
downhill.Weighttransfertothefrontwheels
maycausedrivewheelstoslipandcauselossof
brakingandsteering.
•Alwaysavoidsuddenstartingorstoppingona
slope.Iftireslosetraction,disengagetheblades
andproceedslowlyofftheslope.
•Followthemanufacturer’srecommendationsfor
wheelweightsorcounterweightstoimprove
stability.
•Useextremecarewithgrasscatchersor
attachments.Thesecanchangethestabilityofthe
machineandcauselossofcontrol.
UsingtheRolloverProtectionSystem
(ROPS)
ARolloverProtectionSystem(rollbar)isinstalled
ontheunit.
WARNING
Thereisnorolloverprotectionwhentheroll
barisdown.Wheelsdroppingoveredges,
ditches,steepbanks,orwatercancause
rollovers,whichmayresultinseriousinjury,
deathordrowning.
•Keeptherollbarintheraisedandlocked
positionanduseseatbelt.
•Lowertherollbaronlywhenabsolutely
necessary.
•DoNotwearseatbeltwhentherollbar
isdown.
•Driveslowlyandcarefully.
•Raisetherollbarassoonasclearance
permits.
•Checkcarefullyforoverheadclearances(i.e.
branches,doorways,andelectricalwires)before
drivingunderanyobjectsanddonotcontactthem.
9

Safety
MaintenanceandStorage
•Disengagedrives,lowerimplement,setparking
brake,stopengineandremovekeyordisconnect
sparkplugwire.Waitforallmovementtostop
beforeadjusting,cleaningorrepairing.
•Keepengine,enginearea,andpumpdrivebelt
compartmentfreefromaccumulationofgrass,
leaves,excessivegreaseoroil,andotherdebris
whichcanaccumulateintheseareas.These
materialscanbecomecombustibleandmayresult
inare.
•Letenginecoolbeforestoringanddonotstore
nearameoranyenclosedareawhereopenpilot
lightsorheatappliancesarepresent.
•Shutofffuelwhilestoringortransporting.Do
Notstorefuelnearamesordrainindoors.
•Parkmachineonlevelground.Neverallow
untrainedpersonneltoservicemachine.
•Usejackstandstosupportcomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Disconnectbatteryorremovesparkplugwire
beforemakinganyrepairs.Disconnectthe
negativeterminalrstandthepositivelast.
Reconnectpositiverstandnegativelast.
•Usecarewhencheckingblades.Wraptheblade(s)
orweargloves,andusecautionwhenservicing
them.Onlyreplaceblades.Neverstraightenor
weldthem.
•Keephandsandfeetawayfrommovingparts.
Ifpossible,donotmakeadjustmentswiththe
enginerunning.
•Chargebatteriesinanopenwellventilatedarea,
awayfromsparkandames.Unplugcharger
beforeconnectingordisconnectingfrombattery.
Wearprotectiveclothinganduseinsulatedtools.
•Keepallguards,shieldsandallsafetydevicesin
placeandinsafeworkingcondition.
•Checkallboltsfrequentlytomaintainproper
tightness.
•Frequentlycheckforwornordeteriorating
componentsthatcouldcreateahazard.
•Allreplacementpartsmustbethesameas
orequivalenttothepartssuppliedasoriginal
equipment.
WARNING
Hydraulicuidescapingunderpressure
canpenetrateskinandcauseinjury.Fluid
accidentallyinjectedintotheskinmustbe
surgicallyremovedwithinafewhoursbya
doctorfamiliarwiththisformofinjuryor
gangrenemayresult.
•Makesureallhydraulicuidhoses
andlinesareingoodconditionand
allhydraulicconnectionsandttings
aretightbeforeapplyingpressureto
hydraulicsystem.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpaper,notyourhands,
tondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulic
systembyplacingthemotioncontrol
leversinneutralandshuttingoffthe
enginebeforeperforminganyworkon
thehydraulicsystem.
10

Safety
SafetyandInstructionalDecals
•Keepallsafetysignslegible.Removeallgrease,
dirtanddebrisfromsafetysignsandinstructional
labels.
•Replaceallworn,damaged,ormissingsafety
signs.
•Whenreplacementcomponentsareinstalled,be
surethatcurrentsafetysignsareafxedtothe
replacedcomponents.
•Ifanattachmentoraccessoryhasbeeninstalled,
makesurecurrentsafetysignsarevisible.
•Newsafetysignsmaybeobtainedfrom
yourauthorizedExmarkequipmentdealeror
distributororfromExmarkMfg.Co.Inc.
•Safetysignsmaybeafxedbypeelingoffthe
backingtoexposetheadhesivesurface.Apply
onlytoaclean,drysurface.Smoothtoremove
anyairbubbles.
•Familiarizeyourselfwiththefollowingsafetysigns
andinstructionlabels.Theyarecriticaltothesafe
operationofyourExmarkcommercialmower.
1-303508
1-403005
1-513742
1–513746
1-513748
1-523552
11

Safety
1–633922
1–653147
98-5954
103–2644
103–4892
103–4930
12

Safety
103–9116
103–9287107-2102
107-2112
13

Safety
109–1196
109-3148
103–4891
108–5995
1.Fast2.Slow3.Neutral4.Reverse
14

Specications
Specications
ModelNumbers
SerialNos:720,000andHigher
LCT18BV483;LCT21BV523;LCT23BV603
Systems
Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•RPM:FullSpeed:3600±50RPM(NoLoad)
Idle:1500RPM
FuelSystem
•Capacity:5.8gal.(21.9L)
•TypeofFuel:Regularunleadedgasoline,87
octaneorhigher.
•FuelFilter:In-line15MicronBriggs&Stratton
P/N493629.
•FuelShut-OffValve:1/4turnincrements(“ON”,
“OFF”)
•Fuelgaugeinfueltank.
ElectricalSystem
•ChargingSystem:FlywheelAlternator
•ChargingCapacity:15amps
•BatteryType:BCIGroupU1
•BatteryVoltage:12Volt
•Polarity:NegativeGround
•Fuses:Two20ampbladetype
•SafetyInterlockSystem:
–PTOmustbedisengaged,brakeengaged,
andmotioncontrolleversout(neutrallock)
tostartengine.(Itisnotnecessaryforthe
operatortobeintheseattostarttheengine.)
–OperatormustbeinseatwhenPTOis
engaged,brakeisdisengaged,ormotion
controlleversaremovedinorenginewillstop.
–Enginewillstopifeithertheleft,theright,
orbothleversaremovedfromneutrallock
positionwhilebrakeisengaged.
OperatorControls
•SteeringandMotionControl:
Note:Motioncontrolleversareadjustableto
twoheights.
–Separatelevers,oneachsideoftheconsole,
controlspeedanddirectionoftravelofthe
respectivedrivewheels.
–Steeringiscontrolledbyvaryingtheposition
oftheleversrelativetoeachother.
–Movingmotioncontrolleversoutward(in
slots)locksthedrivesysteminneutral.
–Motioncontrolleversareadjustabletotwo
heights.
•PTOEngagementSwitch:Engageselectricclutch
(todrivebelt)whichengagesmowerblades.
•ParkingBrakeLever:Engagesparkingbrake.
•DeckHeightAdjustmentLever:Setscutting
heighttodesiredposition.
•DeckLiftAssistLever:Footpedalthatassists
inraisingthedeck.
Seat
•Type:Standardseatwithhighback,foampadded
(internalsuspension)andarmrests.
Optionalseataccessories:
–Customridesuspensionsystemtoenhance
StandardSeat.
–Deluxesuspensionseatwithhighback,low
prolefoam-in-placecushion(dampened,
adjustablespringsuspension)andarmrests.
•Mounting:Hingedtotiltupforaccessto
hydraulicpumps,batteryandothercomponents.
Heldintiltedpositionwithproprod.Adjustable
foreandaftseattrack.
•Armrests:
–Standardseat:foampaddedip-uparmrests.
15

Specications
–Optionalsuspensionseat:moldedadjustable
ip-uparmrests.
•SeatSafetySwitch:Incorporatedintothe
SafetyInterlockSystem.Timedelayseatswitch
eliminatesroughgroundcut-outs.
HydrostaticGroundDriveSystem
•HydrostaticPumps:TwoHydroGearvariable
displacementpistonpumps.
•WheelMotors:TwoHydroGearwith11/4inch
taperedshafts.
•HydraulicOilType:UseMobil115W-50
Syntheticmotoroil.
•HydraulicOilCapacity:2.1qt.(2.0L)
•HydraulicFilter:Replaceablecartridgetype.
–Summeruseabove32°F(0°C)
P/N109-4180:25microns,10psibypass
–Winterusebelow32°F(0°C)
P/N1-523541:40microns,18psibypass
•Speeds:
–0-7.2mph(11.6km/hr)forward.
–0-4.0mph(6.4km/hr)reverse.
•Drivewheelreleasevalvesallowmachinetobe
movedwhenengineisnotrunning.
Tires&Wheels
DriveFrontCaster
Pneumatic
(Air-Filled)
Pneumatic
(Air-Filled)
Quantity22
Tread“TurfMate”Smooth
Size20x10.00-811x4.00-5
PlyRating44
Pressure13psi(90kPa)16psi(110kPa)
CuttingDeck
•CuttingWidth:
–47.2inch(120.0cm)
–52inch(132.1cm)
–60inch(152.4cm)
•Discharge:Side
•BladeSize:(3ea.)
–48inchDeck:16.25inches(41.3cm)
–52inchDeck:18.00inches(45.7cm)
–60inchDeck:20.50inches(52.1cm)
•BladeSpindles:Solidsteelspindleswith1inch
(25.4mm)I.D.bearings.
•DeckDrive:
–Electricclutchmountedonverticalengine
shaft.“B”Sectionbelt(withself-tensioning
idler)directfromtheengine.
–Bladesaredrivenbyone“B”Sectionbelt
(w/self-tensioningidler)directfromthe
engine.
•Deck:
Fulloatingdeckisattachedtoout-frontsupport
frame.Maximumturfprotectionisprovidedwith
anti-scalprollers:
–48inchDecks:Quantity3
–52inchDecks:Quantity5
–60inchDecks:Quantity6
Deckdesignallowsforbagging,mulchingorside
discharge.
•DeckDepth:
–48inchDeck:5.0inches(12.7cm)
–52inchDeck:5.0inches(12.7cm)
–60inchDeck:5.0inches(12.7cm)
•CuttingHeightAdjustment:
Anextra-longcushionedleverisusedtoadjust
thecuttingheightfrom11/2inches(3.8cm)
to41/2inches(11.4cm)in1/4inch(6.4mm)
increments.Thecuttingheightadjustmenthandle
hasatransportpositionandalladjustmentscan
bemadewhiletheoperatorremainsseated.Units
alsohaveafootoperateddeckliftassistleverto
aidinraisingthedeck.
•MulchingKit:Optional.
16

Specications
Dimensions
OverallWidth:
48inch
Deck
52inch
Deck
60inch
Deck
Without
Deck
44.0inches
(111.7cm)
44.0inches
(111.7cm)
49.8inches
(124.5cm)
Deector
Up
50.3inches
(122.4cm)
54.3inches
(137.9cm)
60.9inches
(154.7cm)
Deector
Down
58.1inches
(147.6cm)
63.8inches
(162.1cm)
70.6inches
(179.3cm)
OverallLength:
48inch
Deck
52inch
Deck
60inch
Deck
RollBar-
Up
73.9inches
(187.7cm)
75.5inches
(191.8cm)
77.0inches
(195.6cm)
RollBar-
Down
79.6inches
(202.2cm)
81.2inches
(206.2cm)
82.4inches
(209.3cm)
OverallHeight:
RollBar-UpRollBar-Down
69.4inches(176.3cm)51.3inches(130.3cm)
TreadWidth:(CentertoCenterof
Tires,Widthwise)
48inch
Deck
52inch
Deck
60inch
Deck
Drive
Wheels
34.9inches
(88.6cm)
34.9inches
(88.6cm)
39.8inches
(101.1cm)
Caster
Wheels
32.7inches
(83.1cm)
34.1inches
(86.6cm)
35.4inches
(89.9cm)
WheelBase:(CenterofCasterTireto
CenterofDriveTire)
48inchDeck52inchDeck60inchDeck
46.2inches
(117.3cm)
46.2inches
(117.3cm)
48.8inches
(124.0cm)
CurbWeight:
48inchDeck52inchDeck60inchDeck
874lb(396kg)887lb(402kg)978lb(444kg)
TorqueRequirements
BoltLocationTorque
CutterHousingSpindle
Nut
140-145ft-lb(190–197
N-m)
BladeMountingBolt
(lubricatewithanti-seize)
55-60ft-lb(75-81N-m)
EngineDeck/FrontFrame
MountBolts
30-35ft-lb(41-47N-m)
Anti-ScalpRollerNyloc
NutSeeFigure10
30-35ft-lb(41-47N-m)
Anti-ScalpRollerWhizlock
NutSeeFigure10
30-35ft-lb(41-47N-m)
EngineMountingBolts25-30ft-lb(20-27N-m)
WheelLugNuts90-95ft-lb(122-129N-m)
WheelMotorMounting
Bolts
72-77ft-lb(98-104N-m)
WheelHubSlottedNutminimum125ft-lb(169
N-m)
RolloverProtectionSystem
(RollBar)MountingBolts
30-35ft-lb(41-47N-m)
ClutchRetainingBolt
(securedwiththreadlocker)
55-60ft-lb(75-81N-m)
17

Operation
ProductOverview
Figure4
1.MotionControlLever5.Controls
2.ParkingBrakeLever6.SeatBelt
3.Height-of-CutLever7.RollBar
4.FuelCap(BothSides)
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
Controls
MotionControlLevers
Themotioncontrolleverslocatedoneachsideofthe
consolecontroltheforwardandreversemotionof
themachine.Theleverscontroltheowofhydraulic
oilfromthehydrostaticpumptothedrivewheel
motorforeachside.
Movingtheleversforwardorbackwardturnsthe
wheelonthesamesideforwardorinreverse.Wheel
speedisproportionaltotheamounttheleveris
moved.
Movingtheleversoutwardfromthecenterposition
intotheT-slotlocksthemintheneutralposition
(Figure6).
ChokeControl
Locatedonrightfueltank.
Thechokeisusedtoaidinstartingacoldengine.
Movingthechokeleverforwardwillputthechokein
the“ON”positionandmovingthechokelevertothe
rear,tothedetent,willputthechokeinthe“OFF”
position.DoNotrunawarmenginewithchokein
the“ON”position.
ThrottleControl
Locatedonrightfueltank.
Thethrottleisusedtocontrolenginespeed.Moving
thethrottleleverforwardwillincreaseenginespeed
andmovingthethrottlelevertotherearwilldecrease
enginespeed.Movingthethrottleforwardintothe
detentisfullthrottle.
BrakeLever
Locatedonleftsideoftheconsole.
Thebrakeleverengagesaparkingbrakeonthedrive
wheels.
Pulltheleverupandrearwardtoengagethebrake.
Pushtheleverforwardanddowntodisengagethe
brake.
18

Operation
Theunitmustbetieddownandbrakeengagedwhen
transporting.
IgnitionSwitch
Locatedonrightfueltank.
Theignitionswitchisusedtostartandstopthe
engine.Theswitchhasthreepositions“OFF”,“ON”
and“START”.Insertkeyintoswitchandrotate
clockwisetothe“ON”position.Rotateclockwiseto
thenextpositiontoengagethestarter(keymustbe
heldagainstspringpressureinthisposition).
Note:Brakemustbeengaged,motioncontrollevers
out(neutrallockposition)andPTOswitch“OFF”to
startengine.(Itisnotnecessaryfortheoperatorto
beintheseattostarttheengine.)
HourMeter
Locatedontherightfueltank.
Thehourmeterisconnectedtoapressureswitch
installedintheengineblockanditrecordsthe
numberofhoursthattheenginehasrun.Ifthe
ignitionswitchisleftonwithoutenginerunning,
hourmeterwillnotrun.
Note:Thisswitchisnotalowoilsensorandwillnot
alerttheoperatoriftheengineoilislow.
FuelShut-OffValve
Thevalveislocatedinthefuellinebetweenthefuel
tankandtheenginebehindseat.
Thefuelshut-offvalveisusedtoshutoffthefuel
whenthemachinewillnotbeusedforafewdays,
duringtransporttoandfromthejobsite,andwhen
parkedinsideabuilding.
Rotatethevalve1/4turnclockwisetoshutofffuel.
Rotatethevalve1/4turncounterclockwisetoturn
onfuel.
FuelGauge
Locatedontheleftfueltank.
Thefuelgaugemonitorstheamountoffuelinthe
tank.
DriveWheelReleaseValves
Locatedontherightfrontcornerofhydrostatic
pumps.
Drivewheelreleasevalvesareusedtoreleasethe
hydrostaticdrivesystemtoallowthemachinetobe
pushedwithouttheenginerunning.Unhookseat
latchandtiltseatuptogainaccesstopumps.
Witha5/8inchwrench,turnbothvalvesoneturn
counterclockwisetoreleasedrivesystem.Turn
clockwisetoresetsystem.DoNotovertighten.Do
Nottowmachine.
TrackingAdjustmentKnob
LocatedundertheseatontheLHpumpcontrollink.
Rotatingthisknoballowsnetuningadjustmentsso
thatthemachinetracksstraightwiththedrivelevers
inthefullforwardposition.
Stopmachineandwaitforallmovingpartstostop.
Engageparkbrake.Unhookseatlatchandtiltseat
forwardtogainaccesstothetrackingknob.Rotate
theknobclockwise(asviewedfromtherearofthe
machine)tocausethemachinetotrackmoretothe
rightandcounterclockwisetocausethemachine
totrackmoretotheleft.Adjustinquarter-turn
incrementsuntilthemachinetracksstraight.Check
thatthemachinedoesnotcreepwheninneutralwith
theparkbrakesdisengaged.
Important:DoNotrotatetheknobtoofar,as
thismaycausethemachinetocreepinneutral.
RefertotheMotionControlLinkageAdjustment
sectioninMaintenance.
PTOEngagementSwitch
Locatedontherightfueltank.
Switchmustbepulledouttothe“ROTATE”
positiontoengagetheblades.Switchispushedinto
the“STOP”positiontostoptheblades.
Pre-Start
Fillfueltank.Forbestresultsuseonlyclean,fresh
regulargradeunleadedgasolinewithanoctanerating
of87orhigher.Regulargradeleadedgasolinemay
alsobeused;however,combustionchamberand
cylinderheadwillrequiremorefrequentservice.See
EngineOwner’sManual.
DoNotaddoiltogasoline.
DoNotoverllfueltank.Neverllthefueltankso
thatthefuellevelrisesabovealevelthatis1/2inch
19

Operation
(13mm)belowthebottomofthellernecktoallow
forfuelexpansionandpreventfuelspillage.
Makesureyouunderstandthecontrols,their
locations,theirfunctions,andtheirsafety
requirements.
RefertotheMaintenancesectionandperformallthe
necessaryinspectionandmaintenancesteps.
OperatingInstructions
RaisetheRolloverProtectionSystem
(ROPS)
Important:Lowertherollbaronlywhen
absolutelynecessary.
1.Removethehairpincotterpinsandremovethe
tworollbarpins(Figure5).
2.Raisetherollbartotheuprightpositionand
installthetwopinsandsecurethemwiththe
hairpincotterpins(Figure5).
Important:Alwaysusetheseatbeltwiththe
rollbarintheraisedposition.Ensurethatthe
rearpartoftheseatissecuredwiththeseat
latch.
Figure5
1.Rollbar3.Pin
2.Raisedposition4.Hairpincotterpin
OpentheFuelShut-OffValve
Thefuelshutoffvalveislocatedundertheseat
betweentheleftfueltankandtheengine.Rotatethe
valve1/4turncounterclockwisetoturnonfuel.
StartingtheEngine
1.Movethemotioncontrolleversouttotheneutral
lockposition.
2.Pullupandbackontheparkingbrakeleverto
engagetheparkingbrake.
3.PushinonthePTOswitchtothe“STOP”
position.
Note:Itisnotnecessaryfortheoperatortobe
intheseattostarttheengine.
4.Placethethrottlemidwaybetweenthe“SLOW”
and“FAST”positions.
5.Onacoldengine,pushthechokeleverforward
intothe“ON”position.
Onawarmengine,leavethechokeinthe“OFF”
position.
6.Turnignitionswitchtothe“START”position.
Releasetheswitchassoonastheenginestarts.
Important:DoNotcranktheengine
continuouslyformorethantensecondsata
time.Iftheenginedoesnotstart,allowa60
secondcool-downperiodbetweenstarting
attempts.Failuretofollowtheseguidelines
canburnoutthestartermotor.
7.Ifthechokeisinthe“ON”position,gradually
returnchoketothe“OFF”positionastheengine
warmsup.
EngagingthePTO
DANGER
Therotatingbladesunderthemowerdeck
aredangerous.Bladecontactcancause
seriousinjuryorkillyou.
DoNotputhandsorfeetunderthemower
ormowerdeckwhenthebladesareengaged.
20