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31914
Declaration of Conformity
4 pgs118.15 Kb0
Operator's Manual
48 pgs2.92 Mb0
Operator's Manual
44 pgs2.14 Mb0
Operator's Manual [es]
48 pgs2.17 Mb0
Operator's Manual [fr]
48 pgs2.17 Mb0
Operator's Manual [ru]
48 pgs2.21 Mb0
Parts Catalogue
36 pgs1.11 Mb0
Table of contents
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Toro 31914 Operator's Manual

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Page 1
FormNo.3420-243RevB
CommercialWalk-Behind TractionUnit
18HPPistol-GripHydroDrive
ModelNo.31914—SerialNo.400000000andUp
Registeratwww.T oro.com. OriginalInstructions(EN)
*3420-243*B
Page 2
ThisproductcomplieswithallrelevantEuropean directives;fordetails,pleaseseetheseparateproduct specicDeclarationofConformity(DOC)sheet.
Introduction
Thisrotary-blade,lawnmowerisintendedtobe usedbyprofessional,hiredoperators.Itisdesigned primarilyforcuttinggrassonwell-maintainedlawnson residentialorcommercialproperties.Itisnotdesigned forcuttingbrushorforagriculturaluses.
Readthisinformationcarefullytolearnhowtooperate andmaintainyourproductproperlyandtoavoid injuryandproductdamage.Thismanualshouldbe consideredaspartofthemachine,asitcontains, safety,operationalandmaintenanceinformation.The mowerisaprecisionbuiltmachinedesignedsolelyfor cuttinggrassandsimilarlowlyinggroundvegetation withinthelimitationsstatedinthismanual.Youare responsibleforoperatingtheproductproperlyand safely.
g250801
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
YoumaycontactT orodirectlyforproductsafetyand operationtrainingmaterials,accessoryinformation, helpndingadealer,ortoregisteryourproduct atToroCommercialProductsServiceDepartment Spellbrook,BishopsStortford,CM234BU,England, +44(0)1279603019,Email:uk.service@toro.com.
Wheneveryouneedservice,genuineToroparts,or additionalinformation,contactanAuthorizedService DealerorToroCustomerServiceandhavethemodel andserialnumbersofyourproductready.Figure1 andFigure2identifythelocationofthemodeland serialnumbersontheproduct.Writethenumbersin thespaceprovided.
Important:Withyourmobiledevice,youcan
scantheQRcodeontheserialnumberdecal(if equipped)toaccesswarranty,parts,andother productinformation.
g007746
Figure2
Rear-dischargedeckshown
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas safetymessagesidentiedbythesafety-alertsymbol (Figure3),whichsignalsahazardthatmaycause seriousinjuryordeathifyoudonotfollowthe recommendedprecautions.
©2018—TheToro®Company 8111LyndaleAvenueSouth Bloomington,MN55420
Contactusatwww.Toro.com.
2
PrintedintheUSA.
AllRightsReserved
Page 3
Figure3
1.Safety-alertsymbol
Thismanualuses2wordstohighlightinformation. Importantcallsattentiontospecialmechanical informationandNoteemphasizesgeneralinformation worthyofspecialattention.
Contents
Safety.......................................................................4
SafeOperatingPractices....................................4
SafetyandInstructionalDecals..........................5
Setup........................................................................8
1CheckingtheFluidsandTirePressure.............8
2InstallingtheWheelKit.....................................8
3ReadingtheManualandViewingthe
OperatorTrainingMaterial..............................8
ProductOverview.....................................................9
Controls.............................................................9
Specications..................................................10
Attachments/Accessories.................................10
Operation.................................................................11
AddingFuel.......................................................11
ThinkSafetyFirst..............................................12
OperatingtheParkingBrake.............................12
StartingtheEngine...........................................12
ShuttingOfftheEngine.....................................13
OperatingtheNeutralLocks.............................13
OperatingtheBlade-ControlKnob
(PTO)............................................................14
UsingtheSafety-InterlockSystem....................14
DrivingtheMachineForwardand
Backward......................................................15
BringingtheMachinetoNeutral........................15
PushingtheMachinebyHand..........................15
TransportingtheMachine.................................16
AdjustingtheHeightofCut...............................16
AdjustingtheCasterPosition............................17
AdjustingtheHandleHeight.............................18
Height-of-CutChart..........................................19
Maintenance...........................................................20
RecommendedMaintenanceSchedule(s)...........20
Lubrication..........................................................21
LubricatingtheCasterandWheel
Bearings........................................................21
GreasingtheMower-BeltIdler..........................21
GreasingthePumpControlandBell
Crank............................................................21
EngineMaintenance...........................................22
ServicingtheAirCleaner..................................22
ServicingtheEngineOil....................................23
ServicingtheSparkPlug...................................25
FuelSystemMaintenance...................................26
g000502
ServicingtheFuelT ank.....................................26
ServicingtheFuelFilter....................................27
DriveSystemMaintenance..................................28
AdjustingtheSpeed-ControlLinkage................28
AdjustingtheNeutralControlLinkages.............29
AdjustingtheHydraulicControl
Linkages.......................................................30
AdjustingtheControlRod.................................31
AdjustingtheTracking.....................................32
AdjustingtheSpringAnchorLinks....................32
CheckingtheTirePressure...............................33
CoolingSystemMaintenance..............................33
CleaningtheAirIntakeScreen..........................33
BrakeMaintenance.............................................34
ServicingtheBrake..........................................34
BeltMaintenance................................................35
CheckingtheBelts............................................35
ReplacingtheMowerBelt.................................35
AdjustingtheMowerBeltT ension.....................35
HydraulicSystemMaintenance...........................38
ServicingtheHydraulicSystem........................38
MowerDeckMaintenance....................................41
ServicingtheCuttingBlades.............................41
AdjustingtheBladeBrake.................................43
Storage...................................................................43
Troubleshooting......................................................45
Schematics.............................................................47
3
Page 4
Safety
Improperuseormaintenancebytheoperatororowner canresultininjury.T oreducethepotentialforinjury, complywiththesesafetyinstructionsandalwayspay attentiontothesafety-alertsymbol,whichmeans Caution,Warning,orDanger—personalsafety instruction.Failuretocomplywiththeinstructionmay resultinpersonalinjuryordeath.
Thismachinehasbeendesignedinaccordancewith ENISO5395:2013.

SafeOperatingPractices

Training

•ReadtheOperator'sManualandothertraining
material.
•Iftheoperator(s)ormechanic(s)cannotreadthe
manuallanguage,itistheowner'sresponsibilityto explainthismaterialtothem.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.
Theownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperateor
servicetheequipment.Localregulationsmay restricttheageoftheoperator.
•Theowner/usercanpreventandisresponsible
foraccidentsorinjuriesoccurringtopeople,or damagetoproperty.

Preparation

•Evaluatetheterraintodeterminewhataccessories
andattachmentsyouneedtoproperlyandsafely performthejob.Useonlyaccessoriesand attachmentsapprovedbythemanufacturer.
•Wearappropriateclothingincludingeyeprotection,
longplants,substantialslip-resistantfootwear,and hearingprotection.Tiebacklonghairanddonot wearlooseclothingorloosejewelry.
•Inspecttheareawhereyouwillusetheequipment
andremoveallobjectssuchasrocks,toys,and wire,whichcanbecontactedbythemachine.
•Checkthattheoperator-presencecontrols,
safetyswitches,andshieldsareattachedand functioningproperly.Donotoperateunlessthey arefunctioningproperly.

SafeHandlingofFuels

•Useextracarewhenhandlingfuel.Theyare
ammableandvaporsareexplosive.
•Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.
•Useonlyanapprovedfuelcontainer.
•Donotremovethefuelcaporllthefueltank
whiletheengineisrunningorhot.
•Donotaddordrainfuelinanenclosedspace.
•Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such asonawaterheaterorotherappliance.
•Ifyouspillfuel,donotattempttostarttheengine;
avoidcreatinganysourceofignitionuntilthefuel vaporshavedissipated.

Operation

•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat causesdistractions;otherwise,injuryorproperty damagemayoccur.
•Lightningcancausesevereinjuryordeath.If
lightningisseen,orthunderisheardinthearea, donotoperatethemachine;seekshelter.
•Donotrunanengineinanenclosedarea.
•Operateonlyinwell-litareas,keepingawayfrom
holesandhiddenhazards.
•Ensurethatalldrivesareinneutralandthatthe
parkingbrakeisengagedbeforestartingengine. Starttheengineonlyfromtheoperator’sposition.
•Makesurethatyouhavegoodfootingwhile
usingthismachine,especiallywhenbackingup. Reducedfootingcouldcauseslipping.
•Donotraisethemowerdeckwiththeblades
running.
•DonotoperatethemachinewithoutthePTO
shieldorotherguardssecurelyinplace.Besure thatallinterlocksareattached,adjustedproperly , andfunctioningproperly.
•Donotoperatewiththedischargedeectorraised,
removedoraltered,unlessyouareusingagrass catcher.
•Donotchangetheenginegovernorsettingor
overspeedtheengine.
•Parkthemachineonalevelsurface,disengage
drives,engagetheparkingbrake,shutoffthe engine,andremovethekeybeforeleavingthe operator'spositionforanyreason,including emptyingthecatchersoruncloggingthechute.
•Stopthemachine,shutofftheengine,removethe
key,andinspectthebladesafterstrikingobjects orifanabnormalvibrationoccurs.Makethe necessaryrepairsbeforeresumingoperation.
4
Page 5
•Keepyourhandsandfeetawayfromthecutting
unit.
•Lookbehindanddownbeforebackingupto
ensureaclearpath.
•Keeppetsandbystandersawayfromanoperating
machine.
•Slowdownandusecautionwhenmakingturns
andcrossingroadsandsidewalks.Stopthe bladesifyouarenotmowing.
•Beawareofthemower-dischargedirectionand
donotpointitatanyone.
•Donotoperatethemachinewhileill,tired,or
undertheinuenceofalcoholordrugs.
•Usecarewhenloadingorunloadingthemachine
intoorfromatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,
trees,orotherobjectsthatmayobscurevision.

SlopeSafety

•Mowacrossthefaceofslopes;neverupand
down.Useextremecautionwhenchanging directiononslopes.
•Donotmowonexcessivelysteepslopes.Poor
footingcouldcauseaslip-and-fallaccident.
•Mowwithcautionneardrop-offs,ditches,or
embankments.

MaintenanceandStorage

•Parkthemachineonalevelsurface,disengage
drives,engagetheparkingbrake,shutoffthe
engine,andremovethekeyordisconnect spark-plugwire.Waitforallmovementtostop beforeadjusting,cleaning,orrepairing.
•Cleangrassanddebrisfromthecuttingunit,
drives,mufers,andenginetohelppreventres.
•Cleanupoilorfuelspills.
•Lettheenginecoolbeforestoringthemachine.
•Donotstorefuelnearamesordrainfuelindoors.
•Donotallowuntrainedpersonneltoservicethe
machine.
•Usejackstandstosupportcomponentswhen
required.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
•Disconnectthebatteryorremovethespark-plug
wirebeforemakinganyrepairs.Disconnectthe negativeterminalrstandthepositiveterminal last.Connectthepositiveterminalrstand negativelast.
•Usecarewhencheckingtheblades.Wrapthe
blade(s)orwearthicklypaddedgloves,anduse cautionwhenservicingthem.Onlyreplaceblades; donotstraightenorweldthem.
•Keephandsandfeetawayfrommovingparts.If
possible,donotmakeadjustmentswiththeengine running.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged decals.
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea ofpotentialdanger.Keepsafetysignsclearandvisible,replaceanydecalthatisdamaged ormissing.
Manufacturer'sMark
1.Indicatesthebladeisidentiedasapartfromtheoriginal machinemanufacturer.
decaloemmarkt
decal320006
320006
1.Heightofcut
5
Page 6
1.Cuttinghazardofhand
2.Cuttinghazardoffoot
decal40-13-010
40-13–010
decal106-2733
106-2733
1.ReadtheOperator's Manualforinstructionson
operatingthecuttingblade
2.Pushforwardtoengage
1.Fast
3.Slow
2.Continuousvariable setting
decal95-5537(hydro)
95-5537
3.Pullbacktodisengage
decal115-1039
115-1039
1.Parking brake—disengaged
decal95-5852
2.Parkingbrake—engaged
95-5852
1.Warning—engagetheparkingbrakeandblockthewheels whenparkingonaslope.
1.Hydraulic-uidlevel
2.ReadtheOperator's
6
decal115-4212
115-4212
3.Warning—donottouchthe hotsurface.
Manual.
Page 7
decal130-8375
130-8375
1.ReadtheOperator's
4.Increaseright
Manual.
2.Increaseleft
5.Trackingadjustmentknob
3.Trackingadjustment
decal130-8370
130-8370
1.Neutrallock
119-6672
1.Forward
2.Neutral11.Warning—donotoperatethismachineunlessyouaretrained.
3.Reverse
4.Toturnthemachineright,engageNEUTRALontherighthandle whilethelefthandleisintheFORWARDposition.
5.Toturnthemachineleft,engageNEUTRALonthelefthandle whiletherighthandleisintheFORWARDposition.
6.Fast
7.Continuous-variablesetting16.Warning—shutofftheenginebeforeleavingthemachine.
8.Slow17.Cutting,dismembermenthazardofhand—stayawayfrom
9.Neutral
10.Warning—readtheOperator'sManual.
12.Thrownobjecthazard—shutofftheenginebeforeclearing debris.
13.Thrownobjecthazard—keepbystandersasafedistance awayfromthemachine.
14.Warning—wearearprotection.
15.Warning—shutofftheengineandremovethekeybefore performinganymaintenanceonthemachine.
movingparts,keepallguardsandshieldsinplace.
decal119-6672
7
Page 8
Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescription
1 2
3
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
Nopartsrequired
WheelKit(soldseparately)
Operator'sManual Engineowner’smanual1 Operatortrainingmaterial Oil-drainhose
1

CheckingtheFluidsand TirePressure

ReadingtheManualand ViewingtheOperator
Qty.
–
1InstalltheWheelKit.
1
1 1
3
TrainingMaterial
NoPartsRequired
Use
Checktheuidsandtirepressure.
ReadtheOperator'sManualandwatch theoperatortrainingmaterialbefore operatingthemachine.
Procedure
•Beforeyoustarttheengineandusethemachine,
checktheoillevelintheenginecrankcase;refer toCheckingtheEngine-OilLevel(page23).
•Checkthegreaseforthemachineandmower
deck.
Note:Thecuttingbladesaresettoa51mm(2inch)
heightofcutatinitialpurchase.TheaxlepositionisB, with2spacesbelowthecastersand4spacesbelow thespindle.
2

InstallingtheWheelKit

Partsneededforthisprocedure:
1
WheelKit(soldseparately)
Partsneededforthisprocedure:
1
Operator'sManual
1Engineowner’smanual
1
Operatortrainingmaterial
1
Oil-drainhose
Procedure
•ReadtheOperator'sManual.
•Viewtheoperatortrainingmaterialbefore
operatingthemachine.Thisisgeneraltraining materialandthemachinemaydifferfromthat supplied.
•Usetheoil-drainhosewhenchangingtheengine
oil.
Procedure
RefertotheInstallationInstructionsforthewheelkit
8
Page 9
ProductOverview
g016076
Figure4
ControlPanel
1.Mowerdeck
2.Brake5.Handle
3.Fueltank
4.Controls
6.Casterwheel
Controls
Becomefamiliarwithallthecontrols(Figure5)before youstarttheengineandoperatethemachine.
Figure5
1.Throttlecontrol
2.Speed-controllever
3.Keyswitch8.DriveLever
4.Choke9.Blade-controlknob(PTO)
5.Neutrallock
6.Operator-presencecontrol (OPC)levers
7.Handle
10.Fuel-shutoffvalve
ThrottleControl
Thethrottlecontrolstheenginespeedandhas2 positions:SLOWandFAST.
Operator-PresenceControl(OPC) Levers
WhenyousqueezetheOPCleversagainstthe handles,theOPCsystemsensesthatyouareinthe normaloperatingposition.Whenyoureleasethe OPClevers,theOPCsystemsensesthatyouhave leftthenormaloperatingposition,andthesystem shutsofftheengineifeitherthespeed-controllever isnotintheNEUTRALpositionortheblade-control (PTO)knobisengaged.
g016079
9
Page 10
Blade-ControlKnob(PTO)
Specications
Usetheblade-controlknob(PTO),withtheOPC leverspressedagainstthehandles,toengageand disengagethedrivebelttodrivethemowerblades. Pulltheknobuptoengagethebladesandpushdown todisengagetheblades.
KeySwitch
Thisswitchisusedinconjunctionwithrecoilstarter andhas3positions:OFF,RUN,andSTART.
Speed-ControlLever
Thismachinehasavariablespeedcontrolwitha NEUTRALposition.Thiscontrolshowfastthemachine travels.
DriveLevers
Releasethedriveleverstodrivethemachineforward; squeezetheleversuntilyoufeelanincreaseinforce togointotheNEUTRALpositionandthencontinue tosqueezethemtodrivethemachineinreverse. Squeezetherightdrivelevertoturnrightandsqueeze theleftlevertoturnleft.
NeutralLock
Squeezethedriveleversuntilyoufeelanincreasein forceandmovelockstotherearforneutrallock.
Note:Specicationsanddesignaresubjectto
changewithoutnotice.
82cm(32inch)mowerdecks:
Cuttingwidth82cm(32inches)
Width
Length
Height
Weight
89cm(35inches)
203cm(80inches)
112cm(44inches)
231kg(509lb)
91cm(36inch)mowerdecks:
Cuttingwidth91cm(36inches)
Width
Length
Height
Weight
94cm(37inches)
203cm(80inches)
112cm(44inches)
232kg(511lb)
122cm(48inch)mowerdecks:
Cuttingwidth122cm(48inches)
Width
Length
Height
Weight
126cm(49-1/2inches)
194cm(76-1/2inches)
112cm(44inches)
248kg(547lb)
Fuel-ShutoffValve
Closethefuel-shutoffvalvewhentransportingor storingthemachine.
ChokeControl
Usethechokecontroltostartacoldengine.

Attachments/Accessories

AselectionofT oroapprovedattachmentsand accessoriesisavailableforusewiththemachineto enhanceandexpanditscapabilities.Contactyour AuthorizedServiceDealerorDistributororgoto www.T oro.comforalistofallapprovedattachments andaccessories.
Toensureoptimumperformanceandcontinuedsafety certicationofthemachine,useonlygenuineT oro replacementpartsandaccessories.Replacement partsandaccessoriesmadebyothermanufacturers couldbedangerous,andsuchusecouldvoidthe productwarranty.
10
Page 11
Operation

AddingFuel

FuelSafety

•Toavoidpersonalinjuryorpropertydamage,use
extremecareinhandlingfuel.Fuelvaporsare ammableandexplosive.
•Extinguishallcigarettes,cigars,pipes,andother
sourcesofignition.
•Useonlyanapprovedfuelcontainer.
•Donotremovethefuelcaporaddfueltothefuel
tankwhiletheengineisrunningorwhilehot.
•Donotrefuelthemachineindoors.
•Donotstorethemachineorfuelcontainerwhere
thereisanopename,spark,orpilotlight,such asonawaterheateroronotherappliances.
•Donotllcontainersinsideavehicleoronatruck
ortrailerbedwithaplasticliner.Alwaysplace containersontheground,awayfromyourvehicle beforelling.
•Removetheequipmentfromthetruckortrailer
andrefuelitwhileitisontheground.Ifthisisnot possible,thenrefuelfromaportablecontainer ratherthanafuel-dispensernozzle.
•Donotoperatethemachinewithouttheentire
exhaustsysteminplaceandinproperworking condition.
•Keepthefuel-dispensernozzleincontactwith
therimofthefueltankorcontaineropeningat alltimesuntilfuelingiscomplete.Donotusea nozzlelock-opendevice.
•Ifyouspillfuelonyourclothing,changeyour
clothingimmediately.Wipeupanyfuelthatspills.
•Neveroverllthefueltank.Replacethefuelcap
andtightenitsecurely.

RecommendedFuel

•Forbestresults,useonlyclean,fresh(lessthan
30daysold),unleadedgasolinewithanoctane ratingof87orhigher((R+M)/2ratingmethod).
•Ethanol:Gasolinewithupto10%ethanol
(gasohol)or15%MTBE(methyltertiarybutyl ether)byvolumeisacceptable.Ethanoland MTBEarenotthesame.Gasolinewith15% ethanol(E15)byvolumeisnotapprovedforuse.
Neverusegasolinethatcontainsmorethan 10%ethanolbyvolume,suchasE15(contains
15%ethanol),E20(contains20%ethanol),orE85 (containsupto85%ethanol).Usingunapproved gasolinemaycauseperformanceproblemsand/or enginedamagewhichmaynotbecoveredunder warranty.
•Donotusegasolinecontainingmethanol.
•Donotstorefueleitherinthefueltankorfuel
containersoverthewinterunlessyouuseafuel stabilizer.
•Donotaddoiltogasoline.

UsingStabilizer/Conditioner

Usefuelstabilizer/conditionerinthemachinetokeep thefuelfreshlongerwhenusedasdirectedbythe fuel-stabilizermanufacturer.
Important:Donotusefueladditivescontaining
methanolorethanol.
Addtheamountoffuelstabilizer/conditionertofresh fuelasdirectedbythefuel-stabilizermanufacturer.

FillingtheFuelTank

1.Parkthemachineonalevelsurface.
2.Engagetheparkingbrake.
3.Shutofftheengineandremovethekey.
4.Cleanaroundthefuel-tankcap.
•Storefuelinanapprovedcontainerandkeepit
outofthereachofchildren.Neverbuymorethan a30-daysupplyoffuel.
•Donotllthefueltankcompletelyfull.Addfuelto
thefueltankuntilthelevelis6to13mm(1/4to 1/2inch)belowthebottomofthellerneck.This emptyspaceinthetankallowsfueltoexpand.
–Avoidprolongedbreathingofvapors.
–Keepyourfaceawayfromthenozzleandfuel
tankopening.
–Avoidcontactwithskin;washoffspillswith
soapandwater.
5.Fillthefueltankuntilthelevelis6to13mm(1/4 to1/2inch)belowthebottomofthellerneck.
Note:Thisspaceinthetankallowsthefuelto
expand.Donotllthefueltankcompletelyfull.
6.Installthefueltankcapsecurely.Wipeupany fuelthatmayhavespilled.
11
Page 12

ThinkSafetyFirst

Carefullyreadallthesafetyinstructionsanddecals inthesafetysection.Knowingthisinformationcould helpyouoranybystandersavoidinjury.
CAUTION
Thismachineproducessoundlevelsin excessof85dBAattheoperator'searand cancausehearinglossthroughextended periodsofexposure.
Wearhearingprotectionwhenoperatingthis machine.

DisengagingtheParkingBrake

g241312
Figure8

StartingtheEngine

1.Connectthewirestothesparkplugs.
Figure6
1.Warning—wearhearingprotection.

OperatingtheParking Brake

Alwaysengagetheparkingbrakewhenyoustopthe machineorleaveitunattended.

EngagingtheParkingBrake

Parkthemachineonalevelsurface.
decal98-4387
2.Openthefuelvalve.
3.Disengagetheblade-controlknob(PTO)and movethespeed-controllevertotheNEUTRAL position.
4.MovethedriveleverstotheNEUTRALposition andengagetheneutrallocks.
5.Engagetheparkingbrake.
6.TurnthekeytotheRUNposition(Figure5).
7.Tostartacoldengine,movethethrottlecontrol midwaybetweentheFASTandSLOWpositions.
8.Tostartawarmengine,movethethrottlecontrol totheFASTposition.
9.Engagethechokeiftheengineiscold(Figure
5).
Note:Awarmorhotengineusuallydoesnot
requireanychoking.
10.TurnthekeytotheST ARTpositiontoenergize thestarter.Whentheenginestarts,releasethe key.
Figure7
Note:Donotengagethestarterformorethan
5secondsatatime.Iftheenginefailstostart,
g241313
12
allowfora15secondcool-downperiodbetween attempts.Failuretofollowtheseinstructionscan burnoutthestartermotor.
11.Disengagethechokeastheenginewarmsup (Figure9).
12.Iftheengineiscold,allowittowarmupandthen movethethrottlecontroltotheFASTposition.
Page 13

ShuttingOfftheEngine

Important:Inanemergency,youcanshutoff
theengineimmediatelybyturningthekeytothe OFFposition.
1.MovethedriveleverstotheNEUTRALposition andengagetheneutrallocks.
2.MovethethrottlelevertotheSLOW(Figure9).
3.Disengagetheblade-controlknob(PTO)and movethespeed-controllevertotheNEUTRAL position.
4.Lettheengineidlefor30to60seconds
2.Placeyourthumbsontheupperpartofthelocks andmovethembackuntilthepinsareinthe NEUTRALposition(Figure10).
5.TurnthekeytotheOFFposition.
6.Engagetheparkingbrakeandremovethekey.
Important:Closethefuel-shutoffvalve
beforetransportingorthestoringthe machinetopreventfuelleakage.
Figure10
1.Handle4.Drivelever
2.Neutrallock
3.NEUTRALposition6.REVERSEposition
5.Fullspeedforward

ReleasingtheNeutralLock

1.Squeezethedriveleversuntilyoufeelan increaseinforce.
2.Placeyourthumbsontheupperpartoflocks andmovethemforwarduntilthepinsareinthe forwardslot(Figure11).
g001508
Figure9
1.Throttlelever
2.Keyswitch
3.Choke

OperatingtheNeutral Locks

Alwaysengagetheneutrallockwhenyoustop themachine.Engagetheparkingbrakeifitisleft unattended.

SettingtheNeutralLock

1.Squeezethedriveleversuntilyoufeelan increaseinforce.
g027797
g001731
Figure11
1.Handle
2.Neutrallock5.Handle
3.Drivelever6.Forwardslot
13
4.Pininfullspeedforward
Page 14
Operatingthe
UsingtheSafety-Interlock
Blade-ControlKnob(PTO)
Theblade-controlknob(PTO)isusedinconjunction withtheoperator-presencecontrol(OPC)leversto engageanddisengagethemowerblades.

EngagingtheMowerBlades(PTO)

1.Toengagethemowerblades,squeezethe operator-presencecontrol(OPC)leversagainst handlegrips(Figure12).
2.Pulltheblade-controlknob(PTO)up.Holdthe OPCleversagainsthandlegrip.
Note:ReleasingtheOPCleverswiththe
mowerbladesrunningshutsofftheengine.
3.Starttheengineandrepeattheprocedure toengagethemowerbladesifthe operator-presencecontrol(OPC)levers arereleased.
System
CAUTION
Ifsafety-interlockswitchesaredisconnected ordamagedthemachinecouldoperate unexpectedlycausingpersonalinjury.
•Donottamperwiththeinterlockswitches.
•Checktheoperationoftheinterlock switchesdailyandreplaceanydamaged switchesbeforeoperatingthemachine.

Understandingthe Safety-InterlockSystem

Thesafety-interlocksystemisdesignedtopreventthe machinefromstartingunless:
•Theblade-controlknob(PTO)isdisengaged.
•Thespeed-controlleverisintheNEUTRALposition.
Thesafety-interlocksystemisdesignedtoshutoff theenginewhen:
Figure12
1.Throttlelever4.DriveLever
2.Operator-presencecontrol (OPC)levers
3.Handle
5.Blade-controlknob(PTO)

DisengagingtheMowerBlades (PTO)

Themowerbladescanbedisengagedby2ofthe followingsteps.
1.Pushtheblade-controlknob(PTO)downtothe
OFFposition(Figure12).
2.Releasingtheoperator-presencecontrol(OPC)
leversshutsofftheengineandstopstheblades (Figure12)withtheblade-controlleverengaged.
•Theoperator-presencecontrol(OPC)levers
arereleasedwiththemowerbladesengaged and/orthespeed-controlleveroutoftheNEUTRAL position.
•Thespeed-controlleverisshiftedoutofthe
NEUTRALwithoutholdingOPCleversorwiththe brakeengaged.
•Theblade-controlknob(PTO)ispulledupwithout
holdingtheOPClevers.
g016110

TestingtheSafety-Interlock System

ServiceInterval:Beforeeachuseordaily
Testthesafety-interlocksystembeforeyouusethe machineeachtime.Ifthesafetysystemdoesnot operateasdescribed,haveanAuthorizedService Dealerrepairthesafetysystemimmediately.
WARNING
Whiletestingthesafety-interlocksystem, themachinemaymoveforwardandcause personalinjuryorpropertydamage.
•Testthesafety-interlocksysteminanopen area.
•Ensurethatnooneisstandingin frontofthemachinewhiletestingthe safety-interlocksystem.
14
Page 15
1.Engagetheneutrallocksandmovethe speed-controllevertotheNEUTRALposition.
2.Starttheengine;refertoStartingtheEngine
(page12).
3.Withoutholdingtheoperator-presencecontrol (OPC)levers,pulltheblade-controlknob(PTO) up.Theengineshouldshutoff.
4.Disengagetheblade-controlknob(PTO).
5.Withenginerunning,holddowntheOPClevers. Pulltheblade-controlknob(PTO)up.Thedrive beltshouldengageandthemowerbladesbegin rotating.
6.ReleasetheOPClevers.Theengineshould shutoff.
7.Withtheenginerunning,movethespeed-control leverforward.ReleasetheOPClevers.The engineshouldshutoff.
1.Drivelever
g01611 1
Figure13
2.Speed-controllever
8.Ifalltheaboveconditionsarenotmethave anAuthorizedServiceDealerrepairthesafety systemimmediately.

DrivingtheMachine ForwardandBackward

Thethrottlecontrolregulatestheenginespeedas measuredinrpm(revolutionsperminute).Placethe throttlecontrolintheFASTpositionforbestmowing performance.

DrivingForward

1.Disengagetheparkingbrake.
2.Movethespeed-controllevertodesiredspeed.
3.Releasetheneutrallock.RefertoReleasingthe
NeutralLock(page13).
4.Slowlyreleasethedriveleverstomoveforward (Figure13).
Togostraight,releasedriveleversequally (Figure13).
Toturn,squeezethedriveleveronthesideand directionyouwanttoturn(Figure13).

DrivingBackward

Slowlysqueezethedriveleverstothehandletomove rearward(Figure13).

BringingtheMachineto Neutral

Alwaysengagetheneutrallockandparkingbrake whenyoustopthemachine.
1.SqueezethedriveleverstotheNEUTRAL position.
2.Engagetheneutrallocks.RefertoOperating
theNeutralLocks(page13).
3.Movethespeed-controllevertotheNEUTRAL position.

PushingtheMachineby Hand

Thebypassvalvesenableyoutopushthemachine byhandwithouttheenginerunning.
Important:Alwayspushthemachinebyhand.
Nevertowthemachine,becausehydraulic damagemayoccur.

ToPushtheMachine

1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
15
Page 16
3.Openthebypassvalvesbyturningthemcounter clockwise1to2times(Figure14).
Note:Thisallowshydraulicuidtobypassthe
pumpsandthewheelstoturn.
4.Disengagetheparkingbrake.
5.Pushthemachinetothedesiredlocation.
6.Engagetheparkingbrake.
7.Closethebypassvalvesbutdonotovertighten them.
Note:Rotatethebypassvalvesamaximumof
2turnssothevalvedoesnotcomeoutofthe bodyandcauseuidtorunout.
heightofcut.RefertoHeight-of-CutChart(page19) toselectthecombinationofadjustmentsrequired.

AdjustingtheBladeHeight

Adjustthebladesbyusingthe4spacers(1/4inch) spacersonthebladespindlebolts.Thisallowsfora 25mm(1inch)adjustmentrangeofcuttingheight,in 6mm(1/4inch)increments,inanyaxleposition.Use thesamenumberofbladespacersonallbladesto achievealevelcut(2aboveand2below,1above and3below,etc.).
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
Important:Donotstartoroperatethe
machinewiththebypassvalvesopen. Damagetosystemmayoccur.
Figure14
1.Hydraulicpump2.Bypassvalve

TransportingtheMachine

Useaheavy-dutytrailerortrucktotransportthe machine.Ensurethatthetrailerortruckhasall necessarylightingandmarkingasrequiredbylaw. Pleasecarefullyreadallthesafetyinstructions. Knowingthisinformationcouldhelpyou,yourfamily, petsorbystandersavoidinjury.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Holdthebladeboltandremovethenut.Slide theboltdownthroughthespindle,andchange thespacersasneeded(Figure15).
g007735
1.Secureatrailertotowingvehiclewithsafety chains.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Securelyfastenthemachinetothetraileror truckwithstraps,chains,cable,orropes.

AdjustingtheHeightofCut

Thismachinehasa26to108mm(1to4-1/4inch) rangeforheightofcut.Adjustthebladespacers,rear axleheightorfrontcasterspacerstogetthecorrect
1.Blade
2.Bladebolt5.Thinwasher
3.Curvedwasher
16
g001454
Figure15
4.Spacer
6.Nut
Page 17
4.Installthebolt,curvedwasher,blade,addextra spacers,andsecurethemwithathinwasher andanut(Figure15).
5.Torquethebladeboltto101to108N∙m(75to 80ft-lb).

AdjustingtheAxleHeight

Adjusttheaxlepositiontotheselectedheight-of-cut setting.RefertoHeight-of-CutChart(page19).
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Placeajackundertheengineframe.Raisethe backendoftheengineframeenoughtoremove thedrivewheels.
4.Removethedrivewheels.
5.Loosen,butdonotremove,the2topaxlebolts (Figure16).
6.Removethe2loweraxlebolts(Figure16).

AdjustingtheCaster Position

1.Adjustthecasterspacerstomatchwiththeaxle holeselected(Figure17);refertoHeight-of-Cut
Chart(page19)and.
Figure17
1.Latchpin
2.Spacer—5mm(3/16inch)
3.Spacer—13mm(1/2inch)
g001456
Figure16
1.Topaxlebolt2.Loweraxlebolt
7.Raiseorlowerthemountingbracket,sothat youcaninstallthe2axleadjustmentboltsinthe desiredholelocation(Figure16).
Note:Ataperedpunchcanbeusedtohelp
aligntheholes.
2.Removethelatchpin,slidethecasterfromthe support,andchangethespacers(Figure17).
3.Installthecasterinthesupportandinsertthe latchpin(Figure17).
g001512
8.Tightenall4bolts.
9.Installthedrivewheelsandlowerthemachine.
17
Page 18

AdjustingtheHandle Height

Thehandlepositioncanbeadjustedtomatchyour heightpreference.
1.Removethehairpincottersandclevispinsfrom thedriveleversandneutrallocks(Figure18).
g001734
Figure19
Figure18
1.Controlrod5.Lefthandleshown
2.Clevispin
3.Drivelever7.Hairpincotter
4.Operator-presencecontrol
lever(OPC)
6.Neutrallock
2.Loosentheupperangebolts(3/8x1-1/4 inches)andangenutsecuringhandletorear frame(Figure19).
3.Removethelowerangebolts(3/8x1inch) andangenutssecuringhandletorearframe (Figure19).
4.Pivothandletodesiredoperatingpositionand installlowerangebolts(3/8x1inch)andange nutsintomountingholes.Tightenallange bolts.
1.Controlrodtting
2.Lowermountingholes7.Lowerposition
3.Rearframe
g001733
4.Lowerangebolt(3/8x1 inch)
5.Upperangebolt(3/8x 1-1/4inches)
6.Highposition
8.Uppermountinghole
9.Handle
10.Flangenut(3/8inch)
5.Adjustthecontrolrodlengthbyrotatingthe
controlrodintherodtting(Figure18and
Figure19).
6.Installhairpincotterbetweendriveleversand
neutrallocksandintoclevispins(Figure18).
Note:Makesurethattheclevispinsare
insertedintotheneutrallocks.
7.Performthehydrauliclinkageadjustmentswhen
thehandleheightischanged;referAdjustingthe
HydraulicControlLinkages(page30).
18
Page 19

Height-of-CutChart

Numberofspacers
Axle
Position
A00
A01
A10
B01
B10
B11
B20
C
C
C
C
D21
D30
D31
D40
E31
E40
E41
belowcaster
13mm5mm
(1/2inch)(3/16inch)
11
20
21
30
Numberof6mm(1/4inch)bladespacersbelowspindle
43210
26mm32mm38mm45mm51mm
(1inch)(1-1/4inch)(1-1/2inch)(1-3/4inch)(2inch)
29mm35mm41mm48mm54mm
(1-1/8inch)(1-3/8inch)(1-5/8inch)(1-7/8inch)(2-1/8inch)
35mm41mm48mm54mm60mm
(1-3/8inch)(1-5/8inch)(1-7/8inch)(2-1/8inch)(2-3/8inch)
35mm41mm48mm54mm60mm
(1-3/8inch)(1-5/8inch)(1-7/8inch)(2-1/8inch)(2-3/8inch)
41mm48mm54mm60mm67mm
(1-5/8inch)(1-7/8inch)(2-1/8inch)(2-3/8inch)(2-5/8inch)
45mm51mm
(1-3/4inch)(2inch)(2-1/4inch)(2-1/2inch)(2-3/4inch)
51mm
(2inch)(2-1/4inch)(2-1/2inch)(2-3/4inch)(3inch)
48mm54mm60mm67mm73mm
(1-7/8inch)(2-1/8inch)(2-3/8inch)(2-5/8inch)(2-7/8inch)
54mm60mm67mm73mm79mm
(2-1/8inch)(2-3/8inch)(2-5/8inch)(2-7/8inch)(3-1/8inch)
57mm
(2-1/4inch)(2-1/2inch)(2-3/4inch)(3inch)(3-1/4inch)
64mm70mm76mm83mm89mm
(2-1/2inch)(2-3/4inch)(3inch)(3-1/4inch)(3-1/2inch)
60mm67mm73mm79mm86mm
(2-3/8inch)(2-5/8inch)(2-7/8inch)(3-1/8inch)(3-3/8inch)
64mm70mm76mm83mm89mm
(2-1/2inch)(2-3/4inch)(3inch)(3-1/4inch)(3-1/2inch)
70mm76mm83mm89mm95mm
(2-3/4inch)(3inch)(3-1/4inch)(3-1/2inch)(3-3/4inch)
76mm83mm89mm95mm102mm
(3inch)(3-1/4inch)(3-1/2inch)(3-3/4inch)(4inch)
73mm79mm86mm92mm98mm
(2-7/8inch)(3-1/8inch)(3-3/8inch)(3-5/8inch)(3-7/8inch)
79mm86mm92mm98mm105mm
(3-1/8inch)(3-3/8inch)(3-5/8inch)(3-7/8inch)(4-1/8inch)
83mm89mm95mm102mm108mm
(3-1/4inch)(3-1/2inch)(3-3/4inch)(4inch)(4-1/4inch)
57mm
64mm70mm76mm83mm
57mm
64mm70mm76mm
64mm70mm
19
Page 20
Maintenance
Note:Determinetheleftandrightsidesofthemachinefromthenormaloperatingposition.
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
Aftertherst8hours
Aftertherst25hours
Beforeeachuseordaily
Every25hours
Every50hours
MaintenanceProcedure
•Changetheengineoil.
•Checkthemowerbelttension.
•Checkthehydraulic-uidlevel.
•Replacethehydraulicuidlter.
•Checkthemowerbelttension.
•Checkthesafetysystem.
•Greasethecasterwheelsandcasterpivot.
•Checktheengine-oillevel.
•Cleantheairintakescreen.
•Checktheparkingbrake.
•Inspecttheblades.
•Cleanthemowerdeck.
•Cleanthefoamair-cleanerelement(moreoftenindirtyordustyconditions).
•Checkthehydraulic-uidlevel.
•Greasethemower-beltidler .
•Greasethepump-driveidlerpivot.
•Greasethepumpcontrol.
•Checkthepaperair-cleanerelement(moreoftenindirtyordustyconditions).
•Checkthetirepressure.
•Checkthebelts.
•Checkthemowerbelttension.
•Greasetheblade-engagementbellcrank.
Every100hours
Every200hours
Every300hours
Every400hours
Beforestorage
•Changetheengineoil(moreoftenindirtyordustyconditions).
•Replaceorcleanandgapthesparkplug.
•Checkhydrauliclinesandhoses.
•Replacethepaperair-cleanerelement(moreoftenindirtyordustyconditions).
•Changetheengine-oillter(moreoftenindirtyordustyconditions).
•Replacethefuellter.
•Replacethehydraulicuidlter.
•Checkandadjustthevalveclearance.SeeanAuthorizedServiceDealer.
•Lubricatethecamlockwithanti-seizecompound.
•Paintchippedsurfaces.
•Performallmaintenanceprocedureslistedabovebeforestorage.
Important:Refertotheengineowner’smanualforadditionalmaintenanceprocedures.
CAUTION
Ifyouleavethekeyintheswitch,someonecouldaccidentlystarttheengineandseriously injureyouorotherbystanders.
Removethekeyfromtheswitchbeforeyouperformanymaintenance.
20
Page 21
Lubrication
GreasingthePumpControl
UseFigure20forlocatingthegreasepointsonthe machine.
Greasetype:No.2lithiumormolybdenumgrease
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Cleanthegreasettingswitharag.Scrapeany paintoffthefrontofthetting(s).
4.Connectagreaseguntothetting.Pump greaseintothettingsuntilgreasebeginsto oozeoutofthebearings.
5.Wipeupanyexcessgrease.

LubricatingtheCasterand WheelBearings

ServiceInterval:Beforeeachuseordaily
andBellCrank
ServiceInterval:Every50hours—Greasethe
pump-driveidlerpivot.
Every50hours—Greasethepumpcontrol.
Every100hours—Greasethe blade-engagementbellcrank.
Every400hours—Lubricatethecamlockwith anti-seizecompound.
Greasethettingonthepump-driveidlerpivotand thepumpcontrol.
Greasethebladeengagement(PTO)bellcrank (Figure20).
Lubricatecamlockwithanti-seizecompound.
Note:Removetheguardsttedunderthemachineto
accessthegreasettingonthepump-driveidlerpivot.
Lubricatethefrontwheelbearingsandfrontspindles (Figure20).

GreasingtheMower-Belt Idler

ServiceInterval:Every50hours
Greasethettingonthemower-beltidlerarmpivot (Figure20).
Note:Removethemowerdeckcovertoaccessthe
greasettingforthemower-beltidlerarm.
Figure20
1.Pump-driveidlerarm4.Mowerbeltidlerarm
2.Pumpcontrolarm
3.Bellcrank
5.Casterwheelbearing
6.Casterpivot
g001514
21
Page 22
EngineMaintenance
CleaningtheFoamAir-Cleaner Element

ServicingtheAirCleaner

ServiceInterval:Every25hours(moreoftenindirty
ordustyconditions).
Every50hours(moreoftenindirtyordusty conditions).
Every200hours/Yearly(whichevercomesrst) (moreoftenindirtyordustyconditions).
Inspectthefoamandpaperelementsandreplace themiftheyaredamagedorexcessivelydirty .
Important:Donotoilthefoamorpaperelement.
RemovingtheFoamandPaper Elements
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Cleanaroundtheaircleanertopreventdirtfrom gettingintotheengineandcausingdamage (Figure21).
4.Unscrewthecoverknobsandremovethe air-cleanercover(Figure21).
5.Unscrewthehoseclampandremovethe air-cleanerassembly(Figure21).
6.Carefullypullthefoamelementoffthepaper element(Figure21).
1.Washthefoamelementinliquidsoapand warmwater.Whentheelementisclean,rinse itthoroughly.
2.Drytheelementbysqueezingitinacleancloth.
Important:Replacethefoamelementifit
istornorworn.
ServicingthePaperAir-Cleaner Element
1.Donotcleanthepaperlter.Replaceit(Figure
21).
2.Inspecttheelementfortears,anoilylm,or damagetotherubberseal.
3.Replacethepaperelementifitisdamaged.
InstallingtheFoamandPaper Elements
Important:Topreventenginedamage,always
operatetheenginewiththecompletefoamand paperair-cleanerassemblyinstalled.
1.Carefullyslidethefoamelementontothepaper air-cleanerelement(Figure21).
2.Placetheair-cleanerassemblyontothe air-cleanerbaseandsecureitwiththe2wing nuts(Figure21).
3.Placetheair-cleanercoverintopositionand tightenthecoverknob(Figure21).
Figure21
1.Cover
2.Hoseclamp4.Foamelement
3.Paperelement
g012352
22
Page 23

ServicingtheEngineOil

EngineOilSpecications
OilCapacity:withalterchange—1.7L(57oz);
withoutalterchange—1.5L(51oz)
Viscosity:Seethetablebelow.
Figure22
g017470
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
Note:Checktheoilwhentheengineiscold.
Important:Ifyouoverllorunderlltheengine
crankcasewithoilandruntheengine,youmay damagetheengine.
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
Note:Ensurethattheengineiscoolsothatthe
oilhashadtimetodrainintothesump.
3.Tokeepdirt,grassclippings,etc.,outofthe engine,cleantheareaaroundtheoil-llcapand dipstickbeforeremovingit(Figure23).
g194611
Figure23
ChangingtheEngineOil
ServiceInterval:Aftertherst8hours—Changethe
engineoil.
Every100hours—Changetheengineoil(more oftenindirtyordustyconditions).
1.Parkthemachinesothatthedrainsideisslightly lowerthantheoppositesidetoensurethatthe oildrainscompletely.
2.DisengagethePTOandengagetheparking brake.
3.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
4.Draintheoilfromtheengine(Figure24).
23
Page 24
Figure24
5.Slowlypourapproximately80%ofthespecied oilintothellertubeandslowlyaddthe additionaloiltobringittotheFullmark(Figure
25).
g194610
Figure25
6.Disposeoftheusedoilatarecyclingcenter.
g027476
24
Page 25
ChangingtheEngine-OilFilter

ServicingtheSparkPlug

ServiceInterval:Every200hours—Changethe
engine-oillter(moreoftenindirty ordustyconditions).
1.Draintheoilfromtheengine;refertoChanging
theEngineOil(page23).
2.Changetheengine-oillter(Figure26).
ServiceInterval:Every100hours
Ensurethattheairgapbetweenthecenterandside electrodesiscorrectbeforeinstallingthesparkplug. Useasparkplugwrenchforremovingandinstalling thesparkplugandagappingtoolorfeelergaugeto checkandadjusttheairgap.Installanewsparkplug ifnecessary .
TypeofSparkPlug:NGK
AirGap:0.75mm(0.03inch)
®
BPR4ESorequivalent
RemovingtheSparkPlug
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Cleantheareaaroundthebaseoftheplugto keepdirtanddebrisoutoftheengine.
4.Removethesparkplug(Figure27).
Figure26
Note:Ensurethattheoil-ltergaskettouches
theengine,andthenturntheoillteranextra 3/4turn.
3.Fillthecrankcasewiththepropertypeofnew oil(Figure25).
g027478
Figure27
g027477
25
Page 26
CheckingtheSparkPlug
Important:Donotcleanthesparkplug(s).
Alwaysreplacethesparkplug(s)whenithasa blackcoating,wornelectrodes,anoilylm,or cracks.
Ifyouseelightbrownorgrayontheinsulator,the engineisoperatingproperly.Ablackcoatingonthe insulatorusuallymeanstheaircleanerisdirty .
Setthegapto0.75mm(0.03inch).
Figure28
FuelSystem Maintenance

ServicingtheFuelTank

DANGER
Incertainconditions,fuelisextremely ammableandhighlyexplosive.Areor explosionfromfuelcanburnyouandothers andcandamageproperty.
•Drainfuelfromthefueltankwhenthe engineiscold.Dothisoutdoorsinanopen area.Wipeupanyfuelthatspills.
•Neversmokewhendrainingfuel,andstay
g206628
awayfromanopenameorwhereaspark mayignitethefuelfumes.
DrainingtheFuelTank
InstallingtheSparkPlug
Figure29
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Closethefuel-shutoffvalveatthefueltank (Figure30).
4.Squeezetheendsofthehoseclamptogether andslideitupthefuellineawayfromfuellter (Figure30).
5.Pullthefuellineoffthefuellter(Figure30). Openthefuel-shutoffvalveandallowthefuelto drainintoafuelcanordrainpan.
Note:Nowisthebesttimetoinstallanewfuel
lterbecausethefueltankisempty.Referto
g027661
ReplacingtheFuelFilter(page27).
6.Installthefuellineontothefuellter.Slidethe hoseclampclosetothevalvetosecurethefuel line.
26
Page 27
Figure30
g001467
1.Fuel-shutoffvalve2.Fuellter

ServicingtheFuelFilter

ReplacingtheFuelFilter
ServiceInterval:Every200hours/Yearly(whichever
comesrst)
Neverinstalladirtylterafterremovingitfromthe fuelline.
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Closefuel-shutoffvalveatthefueltank(Figure
30).
4.Squeezetheendsofthehoseclampstogether andslidethemawayfromthelter(Figure31).
g001468
Figure31
1.Hoseclamp3.Filter
2.Fuelline
5.Removethelterfromthefuellines.
6.Installanewlterandmovethehoseclamps closetothelter.
7.Openfuel-shutoffvalveatfueltank(Figure30).
8.Checkforfuelleaksandrepairifneeded.
9.Wipeupanyspilledfuel.
Note:Notehowthefuellterisinstalledin
ordertoinstallthenewltercorrectly.
27
Page 28
DriveSystem Maintenance
Performthefollowinglinkageadjustments,Adjusting
theSpeed-ControlLinkage(page28)through AdjustingtheTracking(page32),whenthemachine
needsmaintenance.Ifanyadjustmentisneeded,do themintheorderthattheyarelisted.

Adjustingthe Speed-ControlLinkage

1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Movethespeed-controllever(locatedonthe console)tothefullforwardposition.
4.Checktheorientationofthetabsontheends ofthespeedcontrolcrank.Ensurethatthese tabsarepointingstraightdownatthe6o'clock positionapproximately(Figure32).
7.Checktomakesurethatthesafetyswitchis pressedandthereisa8mm(5/16inch)space betweentheactuatingtabandtheswitch(Figure
33).
8.Ifneeded,adjustswitchlocationtocreatethe 8mm(5/16inch)space(Figure33).
5.Adjustthethreadedyokeatthebottomofthe speed-controllinkageuntilthetabsareatthe 6o'clockposition(Figure32).
Figure32
g007736
Figure33
1.Safetyswitch
2.8mm(5/16inch)space
g001516
3.Actuatingtab
1.Speedcontrolrod
2.Yoke5.Jamnut
3.Speedcontrolcrank
6.Pullthespeed-controlleverbacktotheNEUTRAL position.
4.Tabs,6o'clockposition
28
Page 29

AdjustingtheNeutral ControlLinkages

WARNING
Theenginemustberunningwhenyou performthecontrollinkageadjustments. Contactwithmovingpartsorhotsurfaces maycausepersonalinjury.
Keepyourhands,feet,face,clothingand otherbodypartsawayfromrotatingparts, muferandotherhotsurfaces.
WARNING
Mechanicalorhydraulicjacksmayfailto supportmachineandcauseaseriousinjury.
•Usejackstandswhensupportingmachine.
•Donotusehydraulicjacks.
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Raisetherearofthemachineontojackstands toraisethedrivewheelsofftheground.
8.Squeeze1driveleveruntilyoufeelanincreased resistance.ThisistheNEUTRALposition.
Note:Makesurethatyouhavenotreachedthe
endoftheneutrallockslot.Ifyouhave,shorten thecontrolleverlinkage.RefertoAdjustingthe ControlRod.
9.Ifthewheelturnswhileholdingthedriveleverin theNEUTRAL,theneutralcontrollinkagesneed adjustment(Figure34).Ifthewheelstopsthen gotostep12.
10.Loosenthenutagainsttheneutralcontrol linkageyoke(Figure34).
11.Adjusttheneutralcontrollinkageuntilthe respectivedrivewheelstopswhilethedrivelever ispulledagainsttheneutralspring(NEUTRAL position)(Figure34).
12.Turntheadjustingboltapproximately1/4turn clockwiseifthewheelisturninginreverseorturn theboltapproximately1/4turncounter-clockwise ifthewheelisturningforward(Figure34).
13.Releasethedrivelevertotheforwarddrive positionandsqueezebackintotheNEUTRAL position.Checktoseeifthewheelstops.Ifnot, repeattheaboveadjustmentprocedure.
14.Afteradjustmentsaremade,tightenthenuts againsttheyokes.
15.Repeatthisprocedurefortheoppositeside.
4.Disengagetheparkingbrake.
5.Starttheengineandmovethethrottletothefull throttleposition.
6.Placetheneutrallocksinthefullforward positionandmovethespeed-controllevertothe medium-speedposition.
7.HoldOPCleversdown.
Note:HoldtheOPCleversdownwhenever
thespeed-controlleverisoutoftheNEUTRAL positionortheenginewillshutoff.
WARNING
Theelectricalsystemdoesnot performpropersafetyshutoffwiththe operator-presencecontrol(OPC)levers helddowninplace.
•Makesurethattheoperator-presence control(OPC)leversareworking whenadjustmentiscompleted.
•Neveroperatethisunitwiththe operator-presencecontrol(OPC) levershelddowninplace.
g007737
Figure34
1.Neutralcontrollinkage3.Adjustingbolt
2.Yoke4.Nut
29
Page 30

AdjustingtheHydraulic ControlLinkages

WARNING
Theenginemustberunningwhenyou performthecontrollinkageadjustments. Contactwithmovingpartsorhotsurfaces maycausepersonalinjury.
Keepyourhands,feet,face,clothingand otherbodypartsawayfromrotatingparts, muferandotherhotsurfaces.
WARNING
Mechanicalorhydraulicjacksmayfailto supportmachineandcauseaseriousinjury.
•Usejackstandswhensupportingmachine.
•Donotusehydraulicjacks.
8.Loosenthefrontadjustingnutonlefthydraulic controllinkageasshowninFigure36.
9.Turntheleftrearadjustingnutcounter-clockwise untilwheelrotatesforward(Figure36).
10.Turntherearadjustingnutclockwise1/4turn atatime.Thenmovethespeed-controllever forwardandbacktotheNEUTRALposition. Repeatthisuntilleftwheelstopsrotatingforward (Figure36).
11.Turntherearnutanadditional1/2turnand tightenthefrontadjustingnut.
Note:Makesurethattheatpartoflinkageis
perpendiculartopinpartofswivel(Figure35).
AdjustingtheLeftSideLinkage
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Raisetherearofthemachineontojackstands highenoughtoraisethedrivewheelsofthe ground.
4.Disengagetheparkingbrake.
5.Starttheengineandmovethethrottletothefull throttleposition.
6.Placetheleftdriveleverinthefullforward position.
7.Placethespeed-controlleverintheNEUTRAL position.
WARNING
Theelectricalsystemdoesnot performpropersafetyshutoffwiththe operator-presencecontrol(OPC)levers helddowninplace.
•Makesurethattheoperator-presence control(OPC)leversareworking whenadjustmentiscompleted.
Figure35
1.Hydrauliccontrollinkage
2.Swivelwithpin4.Correctpositionfor
12.Afteradjustingthelefthydrauliccontrollinkage, movethespeed-controlleverforwardandthen backtotheNEUTRALposition.
13.HoldtheOPCleversdown.
3.Incorrectpositionfor hydrauliccontrollinkage
Hydrauliccontrollinkage, 90degrees
Note:HoldtheOPCleversdownwhenever
thespeed-controlleverisoutoftheNEUTRAL positionortheenginewillshutoff.
14.Makesurethatthespeed-controlleverisinthe NEUTRALpositionandthetiredoesnotrotate.
15.Repeattheadjustmentifneeded.
g001735
•Neveroperatethisunitwiththe operator-presencecontrol(OPC) levershelddowninplace.
30
Page 31
Figure36
1.Hydrauliccontrollinkage3.Rearadjustingnut
2.Frontadjustingnut
4.Controlarm
NEUTRALposition.Repeatthisuntilrightwheel stopsrotatingforward(Figure38).
5.HoldtheOPCleversdown.
Note:HoldtheOPCleversdownwhenever
thespeed-controlleverisoutoftheNEUTRAL positionortheenginewillshutoff.
6.Thespringthatkeepstensionontheknob shouldnormallynotneedadjustment.However ifanadjustmentisneeded,adjustthelengthof springto26mm(1inch)betweenthewashers (Figure38).
7.Adjustspringlengthbyturningnutatfrontof spring(Figure38).
g007738
Note:Ifinconsistentneutraloccurs,ensure
thatbothspringsareproperlytightenedon thespeed-controlleverundertheconsole, especiallytherearpivotspring.Repeatthe adjustmentsaboveifnecessary(Figure37).
Figure37
1.Speed-controllever
2.Rearpivotspring
3.spring
AdjustingtheRightSideLinkage
1.Placethespeed-controlleverintheNEUTRAL position.
2.Placetherightdriveleverinthefullforward position.
3.Adjusttherightsidelinkagebyturningthequick trackknobcounterclockwiseuntilthetirebegins torotateforward(Figure38).
4.Turntheknobclockwise1/4turnatatime.Then movethespeedcontrolforwardandbacktothe
g007880
Figure38
1.Hydrauliccontrollinkage
2.Spring4.26mm(1inch)
g001520

AdjustingtheControlRod

3.Quicktrackknob
CheckingtheControlRod
1.Withrearofmachinestillonjackstands andenginerunningatfullthrottle,movethe speed-controllevertothemediumspeed position.
Note:HoldtheOPCleversdownwhenever
thespeed-controlleverisoutoftheNEUTRAL positionortheenginewillshutoff.
2.Movetherespectivedriveleverupwarduntil itreachestheNEUTRALpositionandengage neutrallocks.
3.Ifthetirerotateseitherdirection,adjustthe lengthofthecontrolrod;refertoAdjustingthe
ControlRod(page32)..
31
Page 32
AdjustingtheControlRod
1.Adjusttherodlengthbyreleasingthedrivelever andremovingthehairpincotterandclevispin. Rotatetherodintherodtting(Figure39).
2.Lengthenthecontrolrodifthetireisturningin reverseandshortentherodifthetireisturning forward.
3.Rotatetherodseveralturnsifthetireisrotating fast.Then,adjusttherodin1/2turnincrements.
4.Placetheclevispinintothedrivelever(Figure
39).
Figure39
1.Controlrod5.Lefthandleshown
2.Clevispin
3.Drivelever7.Hairpincotter
4.Operator-presencecontrol
(OPC)lever
6.Neutrallock
g001732
Figure40
1.Handle5.Neutralposition
2.Neutrallock6.Drivelever
3.Handle
4.Neutrallockslot
7.Fullspeedforward
8.Controlrod

AdjustingtheTracking

1.Removemachinefromanyjackstands.
2.Checkthereartirepressure.RefertoChecking
theTirePressure(page33).
g001733
3.Runtheunitandobservethetrackingona level,smooth,hardsurfacesuchasconcrete orasphalt.
4.Iftheunittracksto1sideortheother,turnthe quicktrackknob.Turntheknobrighttosteer rightandturntheknoblefttosteerleft(Figure
41).
5.Releaseandengagetheneutrallock,checking thatthetiredoesnotrotate(Figure40).Continue thisprocessuntilthetiredoesnotrotate.
6.Installthehairpincotterbetweenthedrivelevers andtheneutrallocksandintotheclevispins (Figure39).
7.Repeatthisadjustmentfortheoppositeside.
g001523
Figure41
1.Quicktrackknob

AdjustingtheSpring AnchorLinks

Formediumorheavydutydriveconditions,suchas operatingwithasulkyonsteepslopes,ahigherspring forcemayberequiredonthehydraulicpumpcontrol armstopreventthedrivesystemfromstalling.
32
Page 33
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Foraheavierdrivesetting,relocatethespring anchorlinkstoeitherthemediumorheavyduty positions(Figure42).Thespringanchorlinks areattachedtotheupperrearcornerofthe hydraulicdriveshieldsontheleftandrightsides ofthemachine.
Note:Inthemediumorheavydutypositions,
thedriveleverforcesattheupperhandlewill alsoincrease.
CoolingSystem Maintenance

CleaningtheAirIntake Screen

ServiceInterval:Beforeeachuseordaily
Beforeeachuseremoveanybuildupofgrass,dirt orotherdebrisfromthecylinderandcylinderhead coolingns,airintakescreenonywheelend, andcarburetor-governorleversandlinkage.This helpsensureadequatecoolingandcorrectengine speedandreducesthepossibilityofoverheatingand mechanicaldamagetotheengine.
Figure42
1.Springanchor
2.Standardsetting
3.Mediumsetting
4.Heavydutysetting

CheckingtheTirePressure

ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Maintaintheairpressureinthereartiresasspecied. Checkthepressureatthevalvestem(Figure43).
RearTirePressure:15psi(1bar)
g001524
Figure43
g001055
33
Page 34
BrakeMaintenance

ServicingtheBrake

Beforeeachuse,checktheparkingbrakeforproper operation.
Alwaysengagetheparkingbrakewhenyoustopthe machineorleaveitunattended.Iftheparkingbrake doesnotholdsecurely ,adjustit.
CheckingtheParkingBrake
ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Settheparkingbrake.
Note:Settingtheparkingbrakeshouldtakea
reasonableamountofforce.Ifitengagestoo hardortooeasily,anadjustmentisrequired. RefertoAdjustingtheParkingBrake.
AdjustingtheParkingBrake
Theparking-brakeleverisontherightsideofthe machine.Iftheparkingbrakedoesnotholdsecurely , adjustit.
1.Checktheparkingbrakebeforeyouadjustit; refertoCheckingtheParkingBrake(page34).
Figure44
1.Brakelinkageyoke4.Lowerbrakelink
2.Lowerbrakelever
3.Springclevispin
4.Rotatethelowerbrakelinkyokeclockwiseinto theyoketotightentheparkingbrake;rotatethe brakelinkyokecounterclockwiseoutoftheyoke outtoloosentheparkingbrake(Figure44).
5.6mm(1/4inch)
6.Hairpin
Note:Withtheparkingbrakeinthereleased
position,theclearancebetweenthetireandthe atbarisapproximately6mm(1/4inch)(Figure
44).
5.Securethelowerlinktothelowerbrakelever withthehairpincotterandtheclevispin(Figure
44).
6.Checkthebrakeoperationagain;referto
CheckingtheParkingBrake(page34).
g001513
2.Disengagetheparkingbrake;referto
DisengagingtheParkingBrake(page12).
3.Removethespringhairpinfromthelowerbrake link(Figure44).
34
Page 35
BeltMaintenance

CheckingtheBelts

ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Checkthebeltsforsquealingwhenthebeltisrotating, bladesslippingwhencuttinggrass,frayedbeltedges, burnmarksandcracksaresignsofawornmower belt.Replacethemowerbeltifanyoftheseconditions areevident.

ReplacingtheMowerBelt

ForRear-DischargeDecks
Note:FortheFlailAttachment,refertotheOperator’s
Manualforthecuttingunit.
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Removetheknobsandthebeltcoveronthe mowerdeck.
4.Removetheidlerpulleyandthewornbelt (Figure45).
5.Installthenewmowerbelt.
6.Installtheidlerpulley.
7.Engagethebladecontrol(PTO)leverandcheck thebelttension.RefertoAdjustingtheMower
BeltT ension(page35).
Note:Thepropermowerbelttensionis44to
67N(10to15lb)withthebeltdeected13mm (1/2inch)halfwaybetweenthepulleys(Figure
45).
g007739
Figure45
1.Idlerpulley2.Mowerbeltwith13mm (1/2inch)deection

AdjustingtheMowerBelt Tension

ForRear-DischargeDecks
Note:FortheFlailAttachment,refertotheOperator’s
Manualforthecuttingunit.
AdjustingtheTension
ServiceInterval:Aftertherst8hours
Aftertherst25hours Every50hours
Important:Whenthebelttensionorthebrake
linkageisadjusted,thebrakeneedsadjustment.
Important:Thebeltmustbetightenoughto
notslipduringheavyloadswhilecuttinggrass. Overtensioningthebeltreducesthespindle bearinglife,thebeltlifeandtheidlerpulleylife.
Thebeltmustbetightenoughsoitdoesnotslip duringheavyloadswhilecuttinggrass;overtensioning reducesbeltandspindlebearinglife.
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe operatingposition.
3.Loosenthelocknutontheturnbuckle(Figure
46).
4.Rotatetheturnbuckletowardtherearofthe
mowerdecktoincreasethetensiononthebelt.
35
Page 36
Rotatetheturnbuckletowardthefrontofthe mowerdecktodecreasethetensiononthebelt (Figure46).
Note:Ensurethattheeyeboltthreadsonboth
endsoftheturnbuckleareengagedaminimum of8mm(5/16inch).
Figure46
1.Locknut4.Assistarm
2.Turnbuckle
3.Frontstop
5.EngagethePTOandcheckthebelttension.
6.Ifthereisnoadjustmentleftintheturnbuckle andthebeltisstillloose,positiontherearidler pulleyinthemiddleorfronthole(Figure47). Usetheholethatgivesthecorrectadjustment.
5.13mm(1/2inch)deection here
g001848
Figure47
1.Rearidlerpulley4.Beltguideinbackposition
2.Middlehole
3.Fronthole
g007740
5.Frontidlerpulley(122 cm(48inch)mowerdeck only)
8.Checkthebeltguideundertheengineframefor properadjustment(Figure48).
Note:Whenthemowerbeltisengaged,ensure
thatthedistancebetweenthebeltguideand themowerbeltis19mm(3/4inch)(Figure48). Adjustthemowerbeltguideasnecessary.The disengagedbeltshouldnotdragorfalloffthe pulleywhentheguidesareproperlyadjusted.
7.Whentheidlerpulleyismovedthebeltguide mustbemoved.Movethebeltguidetothefront position(Figure47).
g016078
Figure48
1.Beltguide
9.Checkthebladebrakeadjustment;referto
AdjustingtheBladeBrake(page43).
AdjustingthePTOEngagement Linkage
ThePTOengagementlinkageadjustmentislocated beneaththefrontlefthandcorneroftheenginedeck.
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
36
Page 37
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.EngagethePTO.
4.Adjustthelinkagelengthtowherethelower endofthebellcrankjustclearstheaxlesupport gusset(Figure49).
Figure49
1.Bellcrank4.Yoke
2.Safetyswitchlocated
underenginedeck
3.Bellcrankjustclearsthe
gussetwiththePTO engageded
5.Nut
6.Assistarmlink
g001849
Figure50
1.Assistarm5.Assistarmlink
2.Frontassistarmstop6.Y oke
3.Rearassistarmstop7.Hairpincotter
4.Turnbuckle
8.Toadjusttheassistarmlink,removethehairpin cotterfromtheassistarm(Figure50).
g001847
9.Loosenthenutagainsttheyoke(Figure49).
10.Removetheassistarmlinkfromtheassistarm androtatethelinktoadjustthelength.
11.Installtheassistarmlinkintotheassistarmand secureitwiththehairpincotter(Figure50).
12.Checkiftheassistarmhitsagainstthestops correctly.
5.Makesurethattheassistarmisagainsttherear assistarmstoponthedeck(Figure50).
6.Pushthebladecontrolknob(PTO)downtothe DISENGAGEDposition.
7.Theassistarmshouldcontactthefrontassist armstoponthedeck.Ifitdoesnotcontact, adjustthebellcranksoitisclosertothegusset (Figure50).
AdjustingthePTOSafetySwitch
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.DisengagethePTO.Makesurethattheassist armisagainstthefrontassiststoparm.
4.Ifneeded,adjustthebladesafetyswitchby looseningtheboltsholdingtheswitchbracket (Figure51).
5.Movethemountingbracketuntilthebellcrank pressestheplungerby6mm(1/4inch).
Makesurethatthebellcrankdoesnottouch theswitchbodyordamagetotheswitchcould occur(Figure51).
6.Tightentheswitchmountingbracket.
37
Page 38
1.Bellcrank
2.Boltsandnuts
Figure51
3.Switchmountingbracket
4.Switchbody
HydraulicSystem Maintenance

ServicingtheHydraulic System

WARNING
Hydraulicuidescapingunderpressurecan penetrateskinandcauseinjury .
•Ifhydraulicuidisinjectedintotheskinit mustbesurgicallyremovedwithinafew
g001855
hoursbyadoctorfamiliarwiththistypeof injury.Gangrenemayresultifthisisnot done.
•Keepbodyandhandsawayfrompinhole leaksornozzlesthatejecthigh-pressure hydraulicuid.
•Usecardboardorpapertondhydraulic leaks.
•Safelyrelieveallpressureinthehydraulic systembeforeperforminganyworkonthe hydraulicsystem.
•Makesurethatallhydraulicuidhoses andlinesareingoodconditionandall hydraulicconnectionsandttingsare tightbeforeapplyingpressuretohydraulic system.
HydraulicFluidSpecications
FluidType:Mobil115W-50syntheticmotoroilor equivalentsyntheticoil.
Important:Usetheuidspeciedorequivalent.
Otheruidscouldcausesystemdamage.
HydraulicSystemCapacity:2.3L(77oz)
CheckingtheHydraulicFluid
ServiceInterval:Aftertherst8hours
Every25hours
Note:Thereare2waysofcheckingthehydraulic
uid:checkingtheuidwhenitiswarmandchecking theuidwhenitiscold.Thebafeinsidethetankhas 2levels,dependingiftheuidiswarmorcold.
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
38
Page 39
3.Waitforallmovingpartstostopbeforeleaving theoperatingpositionandthenengagethe parkingbrake.
4.Cleanareaaroundcapandllerneckof hydraulictank(Figure52).
4.Locatelterunderenginebaseandplacedrain panunderlter(Figure53).
5.Removetheoldlterandwipethelteradapter gasketsurfaceclean(Figure53).
Figure52
1.Cap3.Colduidlevel—full
2.Bafe4.Hotuidlevel—full
5.Removecapfromllerneck.Lookinsideto checkifthereisuidinthereservoir(Figure52).
6.Ifthereisnouid,adduidtothereservoiruntil itreachesthecoldlevelofthebafe.
7.Runthemachineatlowidlefor15minutesto allowanyairtopurgeoutofthesystemand warmuid.RefertoStartingandStoppingthe Engine.
8.Checktheuidlevelwhiletheuidiswarm. Ifrequired,adduidtothereservoiruntilit reachesthehotlevelofthebafe.
Note:Whentheuidiswarm,theuidlevelis
atthetopofthehotlevelofthebafe(Figure52).
9.Installcaponllerneck.
ReplacingtheHydraulic-Fluid Filter
ServiceInterval:Aftertherst8hours
Every200hours
Important:Donotsubstituteanautomotiveoil
lter,otherwiseseverehydraulicsystemdamage mayresult.
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Removehydraulicreservoircapandtemporarily covertheopeningwithaplasticbagandrubber bandtopreventallhydraulicuidfromdraining out.
g001045
Figure53
1.Hydrauliclter
2.Gasket
3.Adapter
g001043
6.Applyathincoathydraulicuidtotherubber gasketonthereplacementlter.
7.Installreplacementhydrauliclterontothelter adapter.Donottighten.
8.Removeplasticbagfromreservoiropeningand allowltertollwithhydraulicuid.
9.Whenthehydrauliclterisfull,turntheoillter clockwiseuntiltherubbergasketcontactsthe lteradapter,thentightenthelteranadditional 1/2turn(Figure53).
10.Cleanupanyspilleduid.
11.Ifthereisnouid,hydraulicuidtoapproximately 6mm(1/4inch)belowthetopofreservoirbafe.
Important:UsetheoilspeciedinHydraulic
FluidSpecications(page38)orequivalent.
Otheruidscouldcausesystemdamage.
12.Startengineandletrunforabout2minutesto purgeairfromthesystem.Shutofftheengine andcheckforleaks.If1orbothwheelsdonot drive,refertoBleedingtheHydraulicSystem
(page39).
13.Checklevelandadduid,ifrequired.Donot overll.
BleedingtheHydraulicSystem
Thetractionsystemisselfbleeding,however,itmay benecessarytobleedthesystemifuidischanged orafterworkisperformedonthesystem.
Purgetheairfromthehydraulicsystemwhenany hydrauliccomponents,includingoillter,areremoved oranyofthehydrauliclinesaredisconnected.The
39
Page 40
criticalareaforpurgingairfromthehydraulicsystem isbetweentheoilreservoirandeachchargepump locatedonthetopofeachvariabledisplacement pump.Airinotherpartsofthehydraulicsystemwill bepurgedthroughnormaloperationoncethecharge pumpisprimed.
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Raisetherearofthemachineupontojack standshighenoughtoraisethedrivewheels offtheground.
4.Checkthehydraulic-uidlevel.
C.Liftthechargepumphousingupwardand
waitforasteadyowofuidtoowoutfrom underthehousing.Tightenthecapscrews.
D.Repeatthisforbothpumps.
Note:Thehydraulicreservoircanbe
pressurizedtoupto5psi(0.35bar)tospeedup thisprocess.
8.Ifeitherdrivewheelstilldoesnotrotate,stop andrepeatsteps4and5ontherespective pump.Ifwheelsrotateslowly ,thesystem mayprimeafteradditionalrunning.Checkthe hydraulic-uidlevel.
9.Allowunittorunseveralminutesafterthecharge pumpsareprimedwithdrivesysteminthefull speedposition.
5.Starttheengineandmovethethrottlecontrolto thefullthrottleposition.Movethespeed-control levertothemiddlespeedpositionandplacethe driveleversintothedriveposition.
Ifeitherdrivewheeldoesnotrotate,itispossible toassistthepurgingofthechargepumpby carefullyrotatingthetireintheforwarddirection.
Note:Itisnecessarytolightlytouchthecharge
pumpcapwithyourhandtocheckthepump temperature.Ifthecapistoohottotouch,turn offengine.Thepumpsmaybedamagedifthe pumpbecomestoohot.Ifeitherdrivewheelstill doesnotrotate,continuetothenextstep.
10.Checkthehydrauliccontrollinkageadjustment. RefertoAdjustingtheHydraulicControl
Linkages(page30).
CheckingtheHydraulicLines
ServiceInterval:Every100hours
Checkthehydrauliclinesandhosesforleaks,loose ttings,kinkedlines,loosemountingsupports,wear, weatherandchemicaldeterioration.Makenecessary repairsbeforeoperating.
Note:Keepareasaroundhydraulicsystemclean
fromgrassanddebrisbuildup.
WARNING
Hydraulicuidescapingunderpressurecan penetrateskinandcauseinjury .
•Ifhydraulicuidisinjectedintotheskinit mustbesurgicallyremovedwithinafew hoursbyadoctorfamiliarwiththistypeof injury.Gangrenemayresultifthisisnot done.
Figure54
1.Socketheadscrew2.Chargepumpcap
6.Thoroughlycleantheareaaroundeachofthe chargepumphousings.
7.Toprimethechargepump,continueasfollows:
A.Shutofftheengineandremovethekey.
B.Loosenthe2hex-socketheadcapscrews
(Figure54)1-1/2turnsonly .
•Keepbodyandhandsawayfrompinhole leaksornozzlesthatejecthigh-pressure
g007741
hydraulicuid.
•Usecardboardorpapertondhydraulic leaks.
•Safelyrelieveallpressureinthehydraulic systembeforeperforminganyworkonthe hydraulicsystem.
•Makesurethatallhydraulicuidhoses andlinesareingoodconditionandall hydraulicconnectionsandttingsare tightbeforeapplyingpressuretohydraulic system.
40
Page 41

MowerDeck Maintenance

ServicingtheCutting Blades

ForRear-DischargeDecks
Note:FortheFlailAttachment,refertotheOperator’s
Manualforthecuttingunit.
Toensureasuperiorqualityofcut,keeptheblades sharp.Forconvenientsharpeningandreplacement, keepextrabladesonhand.
WARNING
Awornordamagedbladecanbreak,anda pieceofthebladecouldbethrownatyou orbystanders,resultinginseriouspersonal injuryordeath.
•Inspectthebladeperiodicallyforwearor damage.
•Replaceawornordamagedblade.
BeforeInspectingorServicingthe Blades
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
g006530
Figure55
1.Cuttingedge3.Wear/slotforming
2.Curvedarea4.Crack
CheckingforBentBlades
1.Rotatethebladesuntiltheendsfaceforward andbackward.
2.Measurefromalevelsurfacetothecutting edge,positionA,oftheblades(Figure56).
2.Shutofftheengine,removethekey,and disconnectthespark-plugwiresfromthespark plugs.
InspectingtheBlades
ServiceInterval:Beforeeachuseordaily
1.Inspectthecuttingedges(Figure55).
2.Iftheedgesarenotsharporhavenicks,remove andsharpentheblade;refertoSharpeningthe
Blades(page42).
3.Inspecttheblades,especiallyinthecurvedarea.
4.Ifyounoticeanycracks,wear,oraslotforming inthisarea,immediatelyinstallanewblade (Figure55).
Figure56
1.Measureherefromblade tohardsurface
3.Rotatetheoppositeendsofthebladesforward.
4.Measurefromalevelsurfacetothecuttingedge
ofthebladesatthesamepositionasinstep2 above.
2.PositionA
Note:Thedifferencebetweenthedimensions
obtainedinsteps2and4mustnotexceed3 mm(1/8inch).
Note:Ifthisdimensionexceeds3mm(1/8
inch),thebladeisbentandmustbereplaced.
g000975
41
Page 42
RemovingtheBlades
SharpeningtheBlades
Replacethebladesifyouhitasolidobjectorifthe bladesareoutofbalanceorbent.T oensureoptimum performanceandcontinuedsafetyconformanceof themachine,usegenuineTororeplacementblades. Replacementbladesmadebyothermanufacturers mayresultinnon-conformancewithsafetystandards.
1.Holdthebladeboltwithawrench.
2.Removethenut,bladebolt,curvedwasher, blade,spacers,andthinwasherfromthespindle (Figure57).
1.Usealetosharpenthecuttingedgeatboth endsoftheblade(Figure58).
Note:Maintaintheoriginalangle.
Note:Thebladeretainsitsbalanceifthesame
amountofmaterialisremovedfrombothcutting edges.
g000552
Figure58
1.Sharpenatoriginalangle.
2.Checkthebalanceofthebladebyputtingitona bladebalancer(Figure59).
Note:Ifthebladestaysinahorizontalposition,
thebladeisbalancedandcanbeused.
Note:Ifthebladeisnotbalanced,lesome
metalofftheendofthesailareaonly(Figure58).
Figure57
1.Blade
2.Bladebolt5.Thinwasher
3.Curvedwasher
g000553
Figure59
1.Blade2.Balancer
3.Repeatthisprocedureuntilthebladeis balanced.
InstallingtheBlades
g001454
4.Spacer
6.Nut
1.Installthebolt,curvedwasher,andblade.Select thepropernumberofspacer(s)fortheheightof cut,andslidetheboltintothespindle(Figure
57).
Important:Thecurvedpartoftheblade
mustpointupwardtowardtheinsideofthe mowerdecktoensurepropercutting.
2.Installtheremainingspacer(s)andsecurethem withathinwasherandanut(Figure57).
3.Torquethebladeboltto75to80N∙m(101to 108ft-lb).
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Page 43

AdjustingtheBladeBrake

1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Ifnecessary ,adjustthespringmountingboltsso thatthebladebrakepadrubsagainstbothsides ofthepulleygroove(Figure60).
4.Adjustthenutattheendofthebladebrake roduntilthereis3to5mm(1/8to3/16inch) betweenthenutandspacer(Figure60).
5.Engagetheblades.Ensurethatthebladebrake padnolongercontactsthepulleygroove.
Figure60
1.Springmountingbolts3.3to5mm(1/8to3/16inch)
2.Bladebrakepad
Storage
1.Parkthemachineonalevelsurface,disengage thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait forallmovingpartstostopbeforeleavingthe operatingposition.
3.Removegrassclippings,dirt,andgrimefromthe externalpartsoftheentiremachine,especially theengine.Cleandirtandchafffromtheoutside oftheengine'scylinderheadnsandblower housing.
Important:Y oucanwashthemachinewith
milddetergentandwater.Donotpressure washthemachine.Avoidexcessiveuseof water,especiallyneartheshiftleverplate, andengine.
4.Checkthebrake;refertoServicingtheBrake
(page34).
5.Servicetheaircleaner;refertoServicingtheAir
Cleaner(page22).
6.Greasethemachine;refertoLubrication(page
21).
7.Changethecrankcaseoil;refertoChangingthe
EngineOil(page23).
8.Checkthetirepressure;refertoCheckingthe
TirePressure(page33).
9.Forlong-termstorage:
g001485
A.Addfuelstabilizer/conditionertofreshfuel
inthetank.Followthemixinginstructions fromthestabilizermanufacturer.Donot useanalcohol-basedstabilizer(ethanolor methanol).
B.Runtheenginetodistributeconditionedfuel
throughthefuelsystemfor5minutes.
C.Shutofftheengine,allowittocool,and
drainthefueltank;refertoServicingthe
FuelT ank(page26),oroperateengineuntil
itshutsoff.
D.Starttheengineandrununtilitshutsoff.
Repeat,withthechokeengaged,untilthe enginedoesnotstart.
E.Disposeoffuelproperly.Recycleitasper
localcodes.
Important:Donotstorefuelcontaining
stabilizer/conditionerlongerthan thedurationrecommendedbythe fuel-stabilizermanufacturer.
10.Removethesparkplug(s)andcheckits condition;refertoServicingtheSparkPlug
(page25).Withthesparkplug(s)removedfrom
theengine,pour2tablespoonsofengineoil
43
Page 44
intothesparkplughole.Nowusethestarterto cranktheengineanddistributetheoilinsidethe cylinder.Installthesparkplug(s).Donotinstall thesparkplugwiresontothesparkplug(s).
11.Checkandtightenallbolts,nuts,andscrews. Repairorreplaceanypartthatisdamagedor worn.
12.Paintallscratchedorbaremetalsurfaces.Paint isavailablefromyourAuthorizedServiceDealer.
13.Storethemachineinaclean,drygarageor storagearea.Removethekeyfromtheswitch andkeepitinamemorableplace.Coverthe machinetoprotectitandkeepitclean.
44
Page 45
Troubleshooting
Problem
Theenginedoesnotstart,startshard,or failstokeeprunning.
Theenginelosespower.
PossibleCauseCorrectiveAction
1.Thefueltankisempty.1.Fillthefueltankwithfuel.
2.Thefuel-shutoffvalveisclosed.2.Openthefuel-shutoffvalve.
3.Thechokeisnoton.3.Applythechoke.
4.Theaircleanerisdirty.
5.Asparkplugwireislooseor disconnected.
6.Asparkplugispitted,fouled,orthe gapisincorrect.
7.Dirtisinthefuellter.7.Replacethefuellter.
8.Dirt,water,orstalefuelisinthefuel system.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theaircleanerisdirty.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Coolingnsandairpassagesunder theengineblowerhousingareplugged.
5.Asparkplugispitted,fouled,orthe gapisincorrect.
6.Theventholeinthefuelcapisplugged.6.Cleanorreplacethefuelcap.
7.Dirtisinthefuellter.7.Replacethefuellter.
8.Dirt,water,orstalefuelisinthefuel system.
4.Cleanorreplacetheair-cleaner element.
5.Installthewireonthesparkplug.
6.Installanew,correctlygappedspark plug.
8.ContactanAuthorizedServiceDealer.
2.Cleantheair-cleanerelement.
4.Removetheobstructionfromthe coolingnsandairpassages.
5.Installanew,correctlygappedspark plug.
8.ContactanAuthorizedServiceDealer.
Theengineoverheats.
Themachinedoesnotdrive.
Themachineisvibratingabnormally .
Thecuttingheightisuneven.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
3.Coolingnsandairpassagesunder theengineblowerhousingareplugged.
1.Thespeed-controlleverisinthe NEUTRALposition.
2.Atractionbeltisworn,loose,orbroken.
3.Atractionbeltisoffapulley .3.Changethebelt.
4.Anidlerspringisbrokenormissing.4.Replacethespring.
1.Acuttingbladeisbentorunbalanced.1.Installanewcuttingblade.
2.Ablademountingboltisloose.2.Tightentheblademountingbolt.
3.Enginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Anenginepulley,idlerpulley,orblade pulleyisloose.
5.Anenginepulleyisdamaged.
6.Thebladespindleisbent.
1.Blade(s)is/arenotsharp.1.Sharpentheblade(s).
2.Cuttingblade(s)is/arebent.2.Installnewcuttingblade(s).
3.Themowerisnotlevel.
4.Theundersideofthemowerisdirty.4.Cleantheundersideofthemower. Tirepressureisnotcorrect.
5. Abladespindleisbent.
6.
3.Removetheobstructionfromthe coolingnsandairpassages.
1.Movethespeed-controlleveroutofthe NEUTRALposition.
2.Changethebelt.
4.Tightentheappropriatepulley.
5.ContactanAuthorizedServiceDealer.
6.ContactanAuthorizedServiceDealer.
3.Levelthemowerfromside-to-sideand front-to-rear.
Adjustthetirepressure.
5.
6.
ContactanAuthorizedServiceDealer.
45
Page 46
Problem
PossibleCauseCorrectiveAction
Thebladesdonotrotate.
1.Themowerdeckbeltiswornorloose.
2.Themowerdeckbeltisbroken.2.Installanewdeckbelt.
3.Themowerdeckbeltisoffapulley.3.Inspectthebeltandreplaceif
4.Anidlerspringisbrokenormissing.4.Replacethespring.
1.Checkthebelttension.
damaged.Checkthepulleysandidlers andadjustthebelttension.
46
Page 47
Schematics
g016112
ElectricalSchematic(Rev .A)
HydraulicSchematic(Rev .A)
47
g001544
Page 48
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