Toro F60 User manual

FormNo.3433-291RevB
F60FlailMower
Groundsmaster3300SeriesAll-WheelDrive
TractionUnit
ModelNo.02835—SerialNo.400000000andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)*3433-291*B

ThisproductcomplieswithallrelevantEuropean
directives.Fordetails,pleaseseetheDeclarationof
Incorporation(DOI)atthebackofthispublication.
WARNING
CALIFORNIA
Proposition65Warning
Useofthisproductmaycauseexposure
tochemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
Introduction
Thisail-bladelawncuttingdeckismountedto
aride-onmachineandisintendedtobeused
byprofessional,hiredoperatorsincommercial
applications.Itisprimarilydesignedforcuttinggrass
onwell-maintainedlawnsinparks,sportselds,
andoncommercialgrounds.Usingthisproductfor
purposesotherthanitsintendedusecouldprove
dangeroustoyouandbystanders.
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
Visitwww.Toro.comforproductsafetyandoperation
trainingmaterials,accessoryinformation,helpnding
adealer,ortoregisteryourproduct.
Wheneveryouneedservice,genuineT oroparts,or
additionalinformation,contactanAuthorizedService
DealerorT oroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
Important:Withyourmobiledevice,youcan
scantheQRcode(ifequipped)ontheserial
numberplatetoaccesswarranty,parts,andother
productinformation.
g317664
Figure1
1.Modelandserialnumberlocation
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
©2020—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved

Contents
Safety.......................................................................3
GeneralSafety...................................................3
CuttingUnitSafety..............................................4
BladeSafety.......................................................4
SafetyandInstructionalDecals..........................4
Setup........................................................................6
1PreparingtheMachine.....................................6
2AssemblingtheCasterArmsandCasters
totheCuttingUnit...........................................7
3InstallingtheDebrisGuardtotheFront
Axle.................................................................9
4InstallingtheCuttingUnittothe
Machine..........................................................9
5InstallingthePTOGuard.................................11
6AdjustingtheSensorBracket..........................11
7AdjustingtheWeightTransfer.........................11
8CheckingtheGearboxOil..............................12
9CheckingtheCasterTirePressure.................12
10GreasingtheMachine..................................12
ProductOverview...................................................12
Specications..................................................12
Attachments/Accessories.................................12
Operation................................................................13
CuttingUnitGeneralInformation.......................13
AdjustingtheHeightofCut...............................13
InspectingtheBlades.......................................14
OperatingTips.................................................15
Maintenance...........................................................16
RecommendedMaintenanceSchedule(s)...........16
DailyMaintenanceChecklist.............................17
LubricatingtheCuttingUnit...............................18
CheckingtheLubricantintheGearbox..............19
ChangingtheLubricantintheGearbox.............19
CheckingtheBeltTension................................20
CheckingtheBeltDriveandTaperLock
Hardware......................................................21
RemovingtheCuttingUnitfromthe
Machine........................................................21
ServicingtheBushingsintheCaster
Arms.............................................................22
ServicingtheCasterWheelsand
Bearings........................................................22
CheckingtheBladeBolts..................................23
CheckingtheFrontFlaps..................................23
ClearingaBlockedRotor..................................23
CheckingtheCasterTirePressure...................23
CheckingforRotorVibration.............................23
CheckingtheRotorBearings............................24
SharpeningtheBlades.....................................24
ReplacingtheBlades........................................25
CleaningUndertheCuttingUnit........................25
Storage...................................................................26
Safety
Thismachinehasbeendesignedinaccordancewith
ANSIB71.4andMSD.
GeneralSafety
Thisproductiscapableofamputatinghandsandfeet.
Alwaysfollowallsafetyinstructionstoavoidserious
personalinjury.
•Readandunderstandthecontentsofthis
Operator’sManualbeforestartingthemachine.
•Useyourfullattentionwhileoperatingthe
machine.Donotengageinanyactivitythat
causesdistractions;otherwise,injuryorproperty
damagemayoccur.
•Donotputyourhandsorfeetnearmoving
componentsofthemachine.
•Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand
functioningproperlyonthemachine.
•Keepclearofanydischargeopening.
•Keepbystandersandchildrenoutoftheoperating
area.Neverallowchildrentooperatethemachine.
•Beforeyouleavetheoperator’sposition,dothe
following:
–Parkthemachineonalevelsurface.
–Lowerthecuttingunit(s).
–Disengagethedrives.
–Engagetheparkingbrake(ifequipped).
–Shutofftheengineandremovethekey.
–Waitforallmovementtostop.
Improperlyusingormaintainingthismachinecan
resultininjury.Toreducethepotentialforinjury,
complywiththesesafetyinstructionsandalways
payattentiontothesafety-alertsymbol,which
meansCaution,Warning,orDanger—personalsafety
instruction.Failuretocomplywiththeseinstructions
mayresultinpersonalinjuryordeath.
3

CuttingUnitSafety
•Thecuttingunitisonlyacompletemachinewhen
installedonatractionunit.Readthetraction
unitOperator’sManualcarefullyforcomplete
instructionsonthesafeuseofthemachine.
•Stopthemachine,removethekey(ifequipped),
lowerthecuttingunit,andwaitforallmovementto
stopbeforeinspectingtheattachmentafterstriking
anobjectorifthereisanabnormalvibrationin
themachine.Makeallnecessaryrepairsbefore
resumingoperation.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
•Useonlyaccessories,attachments,and
replacementpartsapprovedbyToro.
BladeSafety
Awornordamagedbladecanbreak,andapieceof
thebladecouldbethrowntowardyouorbystanders,
resultinginseriouspersonalinjuryordeath.
•Inspectthebladesperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades.
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
decal134-3688
134-3688
1.Heightofcut3.Mountingholelocations
2.Donotusethelowermountinghole.
decal117-4979
117-4979
1.Entanglementhazard,belt—keepawayfrommovingparts;
keepallguardsandshieldsinplace.
decal58-6520
58-6520
1.Grease
4

decal111-9648
111-9648
1.Warning—readtheOperator'sManual;torquethenutsto
45N∙m(33ft-lb).
decal120-6604
120-6604
1.Thrownobjecthazard—keepbystandersawayfromthe
machine.
2.Cutting/dismembermenthazardofhand,mower
blade—stayawayfrommovingparts;keepallguardsand
shieldsinplace.
3.Cutting/dismembermenthazardoffoot,mowerblade—stay
awayfrommovingparts;keepallguardsandshieldsin
place.
decal93-9084
93-9084
1.Liftpoint/Tie-downpoint
decal133-8061
133-8061
decal93-6697
93-6697
1.ReadtheOperator's
Manual.
2.AddSAE80w-90(API
GL-5)oilevery50hours.
decal139-6303
139-6303
1.Entanglementhazard—readtheOperator’sManual;stay
awayfrommovingparts;keepallguardsandshieldsin
place.
5

Setup
1
PreparingtheMachine
NoPartsRequired
Procedure
Note:Retainallremovedpartsunlessotherwise
noted.
1.Parkthemachineonalevelsurface,disengage
thePTO,movetheliftarmstothelowest
position,engagetheparkingbrake,shutoffthe
engine,andremovethekey.
2.Waitforallmovementtostopandallowthe
machinetocoolbeforeadjusting,cleaning,
storing,orrepairingit.
3.Ifacuttingunitisequipped,removethecutting
unitfromthemachineliftarms;refertoyour
cuttingunitOperator’sManual.
4.MarkbothhalvesofthePTOshaftwithastraight
linetonotethecorrectorientation,andremove
thefronthalfofthePTOshaft(Figure3).
Note:Supportbothendsoftheshaftand
ensurethatyoudonotdamagethesplinesor
yoke.
g320370
Figure4
1.RearhalfofPTOshaft3.Slideoutthefronthalfof
thePTOshaft
2.Drawastraightlineacross
bothhalvesofthePTO
shafttomarkthecorrect
orientationforassembly.
5.Drilltheexistingholesoutto15/32inchas
showninFigure4.
Important:Theseholesmustbedrilledto
15/32inch;donotuseametricbitasthesize
willnotbeequivalent.
Note:Ensurethatthedrillholesarestraightand
thatnoswarfordebrisfromdrillingispresent
whenyouassemblethehalvesoftheshaft.
g320373
Figure5
1.Drilltheseholesto15/32inch
6.Alignthehalvesoftheshaftusingthemark
madeinstep4andslidefronthalfintotherear
half.
Important:Ensurethatthehalvesof
theshaftareassembledwiththecorrect
orientation;anincorrectlyassembledPTO
shaftmaynotbebalanced,causingvibration
ordamage.
7.Ifliftarmsareinstalledonthetractionunit,
removetheliftarmsasfollows:
A.Raisethefrontofthemachineandremove
thefrontwheelsfromthemachine;referto
yourtractionunitOperator’sManual.
B.Removethe2carriageboltsand2nuts(3/8
inch)thatsecurethesensorbrackettothe
rightliftarm(Figure6).
Note:Manuallyrotatetheliftarmupto
alignitwiththecylinder-rodend.
Note:Ensurethatthesensorbracketdoes
notinterferewiththesensor.
C.Removethe2bolts(3/8x1-1/4inches),2
nuts(3/8inch),and2smallpinsthatsecure
theliftarmstothecylinders(Figure6).
D.Removethenutandboltssecuringthelarge
pinstotheliftarmsasshowninFigure7.
E.Removetheliftarmsandlargepinsfrom
themachineframeFigure8.
6

g300498
Figure6
1.Bolt(3/8x1-1/4inches)4.Carriagebolt
2.Smallpin5.Sensorbracket
3.Nut(3/8inch)
g295767
Figure7
Rightsideshown
1.Nut3.Bolt
2.Largepin
g295790
Figure8
1.Liftarm3.Largepin
2.Machineframe
2
AssemblingtheCaster
ArmsandCasterstothe
CuttingUnit
Partsneededforthisprocedure:
2Castorfork
2Castorbolt
4Bearing
2Bearingspacer
2Largelocknut
2Casterarm
12Carriagebolt(M10)
12Locknut(M10)
2Tensioningcap
14HoCspacers
4Shim
Procedure
1.Assemblethecasterwheelstothecastorfork
asshowninFigure9.
Note:Useonlytheupperaxleshafthole;do
notadjustthepositionofthecasterwheel.
7

g319436
Figure9
1.Castorbolt4.Bearingspacer
2.Castorfork5.Largelocknut
3.Bearing
2.Assembleeachcasterarmtothecuttingunit
with6carriagebolts(M10)and6locknuts(M10)
asshowninFigure10;torquethelocknutsto47
to57N∙m(34to42ft-lb).
g314698
Figure10
Leftsideshown
1.Carriagebolt3.Casterarm
2.Locknut
3.Assemblethecasterstothecuttingunitwitha
shimonbothsidesofthecastershafthubas
showninFigure11.
Note:Youcanadjusttheheight-of-cutsetting
bychangingtheamountofspacersoneither
sideofthecastershafthub;refertoAdjusting
theHeightofCut(page13).
g319438
Figure11
1.Tensioningcap4.Castershafthub
2.HoCspacers5.Casterwheelshaft
3.Shim
4.Ensurethatthedeckislevel;movethedeckto
alevelsurfaceandplacealevelhorizontally
acrossthetopofthedeck.
5.Ifthedeckisnotlevel,positiontheshimsonthe
castershaftaccordinglyuntilitislevel.
8

3
InstallingtheDebrisGuard
totheFrontAxle
Partsneededforthisprocedure:
1Debrisguard
1Bracket
5Rivet
Procedure
Use5rivetstoinstallthebracketanddebrisguardto
thefrontaxle(Figure12).
g312858
Figure12
Leftsideshown
1.Bracket3.Rivet
2.Debrisguard
4
InstallingtheCuttingUnit
totheMachine
Partsneededforthisprocedure:
2Liftarm
2Largepin
2Longbolt(3/8x2-3/4inches)
6Nut(3/8inch)
2Smallpin
2Bolt(3/8x1-1/4inches)
1Sensorbracket
2Carriagebolt(3/8x1-1/4inches)
2PTOBolt(3/8x2inches)
2PTOLocknut(3/8inch)
2Liftarmpin
2Lynchpins
Procedure
1.Raisethefrontofthemachineandremove
thefronttiresfromthemachine;refertoyour
tractionunitOperator’sManual.
2.Installtheliftarmsandlargepinstothemachine
frameFigure13.
g317790
Figure13
Rightsideshown
1.Liftarm3.Largepin
2.Machineframe
3.Securethelargepintotheliftarmusingapair
ofnutsandboltsasshowninFigure14.
9

g317791
Figure14
1.Nut3.Bolt
2.Largepin
4.Secureeachcylinder-rodendtotheeachlift
armswithasmallpins,bolts(3/8x1-1/4inches),
andnut(3/8inch)asshowninFigure15.
Note:Manuallyrotatetheliftarmtoalignitwith
thecylinder-rodend.
5.Securethesensorbrackettotherightliftarm
using2carriageboltsand2nuts(3/8inch)as
showninFigure15.
Note:Ensurethatthesensorbracketdoesnot
interferewiththesensor;referto6Adjustingthe
SensorBracket(page11)ifnecessary.
g300498
Figure15
1.Bolt(3/8x1-1/4inches)4.Carriagebolt
2.Smallpin5.Sensorbracket
3.Nut(3/8inch)
6.Alignthecuttingunitinfrontofthemachine
frameandPTOshaft.
7.InstallthePTOshaftyoketothecuttingunit
gearboxshaftasshowninFigure16.
8.Torquetheboltsto47N∙m(35ft-lb).
Important:ThePTOshaftyokeboltsmust
betightenedtothespeciedtorque.Failure
toproperlytorquetheboltsresultsin
prematurefailureofcriticalparts.
g295791
Figure16
1.Nut2.Bolt
9.Securetheailtotheliftarmsusingtheliftarm
pinsandlynchpins(Figure30).
10

5
InstallingthePTOGuard
Partsneededforthisprocedure:
1PTOguardassembly
2Screw(3/8x3/4inch)
2Washers
Procedure
InstallthePTOguardassemblytothetopofthe
gearboxasshowninFigure17.
g319441
Figure17
1.Screw(3/8x3/4inch)3.Washer
2.PTOguardassembly
6
AdjustingtheSensor
Bracket
NoPartsRequired
Procedure
1.Thesensorandthesensorplateshouldhave
a3.3to3.8mm(0.13to0.15in)clearance
betweenthem.
2.Ifnecessary,loosenthelocknutsthatsecure
theswitchtotheswitchbracketandadjustitso
thatthecorrectclearanceexistsbetweenthe
sensorandthesensorplate.
3.Tightenthesensorlocknutsfrom19to21N·m
(14to16ft-lb).
7
AdjustingtheWeight
Transfer
NoPartsRequired
Procedure
Adjusttheweighttransferoftheattachment;referto
thetractionunitOperator’sManual.
11

8
CheckingtheGearboxOil
NoPartsRequired
Procedure
Ensurethatthegearboxhasthecorrectamountofoil;
refertoCheckingtheLubricantintheGearbox(page
19).
9
CheckingtheCasterTire
Pressure
NoPartsRequired
Procedure
Ensurethatthecastertiresarelledto2to3.5bar(30
to50psi);refertoCheckingtheCasterTirePressure
(page23).
10
GreasingtheMachine
NoPartsRequired
Procedure
Greasethemachinebeforetherstoperation;refer
toLubricatingtheCuttingUnit(page18).Failureto
properlygreasethemachinewillresultinpremature
failureofcriticalparts.
ProductOverview
Specications
Note:Specicationsanddesignaresubjectto
changewithoutnotice.
Width
ofCut1.52m(60inches)
Height
ofCut
Adjustablefrom19to102mm(3/4to4inches)in13
mm(1/2inch)increments
Net
Weight260kg(573lb)
Attachments/Accessories
AselectionofT oroapprovedattachmentsand
accessoriesisavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorauthorizedToro
distributororgotowww.T oro.comforalistofall
approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineT oro
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
12

Operation
CuttingUnitGeneral
Information
Keeptheailbladessharpandingoodconditionto
ensuregoodcuttingperformance,minimumpower
consumption,andgoodqualityofcut.
Thecuttingunitoatstofollowgroundcontours.
Operatethecuttingunitatfullenginespeed.Adjust
theforwardspeedtosuitthegrassconditionsandto
notoverloadthecuttingunit.Thelowertheforward
speed,thebetterthequalityofcutandafter-cut
appearance.
AdjustingtheHeightofCut
Note:Theheightofcutisdeterminedbythe
rearrollerandthefrontcasters.Bladewear,tire
pressure,andbent/damagedcasterarmscanaffect
theheight-of-cutsetting.
g292389
Figure18
Somepartsnotshownforclarity.
1.Heightofcut3.Height-of-cutadjuster
plate
2.Spacer
1.Positionthemachineonalevelsurface,raise
thecuttingunitandsupportitwithjackstands,
shutofftheengine,settheparkingbrake,and
removethekeyfromtheignitionswitch.
2.Refertotheheight-of-cutsettingtableondecal
134-3688(Figure19)forcommonheight-of-cut
settings.
g292390
Figure19
1.Height-of-cutadjuster
platemountingpositions
2.Casterforkheight-of-cut
spacers
3.Tomakesignicantheight-of-cutadjustments,
adjustthepositionoftheheight-of-cutadjuster
plate.Removethenuts,spacers,andbolts
securingtheplate(Figure20).
4.Installtheboltsinthelocationsspeciedin
Figure19forthedesiredheightofcut;torque
thenutsto60N∙m(44ft-lb).
g319475
Figure20
1.Mountinghole"H”5.Mountinghole“A”
2.Mountinghole“L”6.Nut
3.Mountinghole“C”7.Bolt
4.Mountinghole“B”
5.Tomakeprecisionheight-of-cutadjustments,
removetheheight-of-cutcapsfromthefront
castershaftsandadjusttheamountofspacers
oneithersideofthecastershafthub(Figure19).
Note:Spacersplacedabovethecastershaft
hubdecreasetheheightofcut,spacersplaced
belowthehubincreasetheheightofcut.
6.Installtheheight-of-cuttensioningcaps.
13

InspectingtheBlades
ServiceInterval:Every50hours—Inspecttheblades
fordamageandexcessivewear.
Every50hours—Ensurethateachbladeboltis
torquedto45N∙m(33.2ft-lb).
Important:Intheeventthatasinglebladeis
damaged,boththatbladeandthebladeopposite
toitshouldberemovedandreplacedasapairto
maintainbalance.
1.Parkthemachineonalevelsurface,raisethe
cuttingunit,engagetheparkingbrake,shutoff
theengine,andremovethekeyfromtheignition
switch.
2.Supporttheraisedcuttingunitusingjackstands.
3.Inspecteachbladefordamagepayingparticular
attentiontothefasteners,cuttingedge,and
installationhole(Figure21).Replaceall
damagedbladesandfasteners.
g034632
Figure21
1.Cuttingedge2.Installationhole
4.Inspecteachbladeforexcessivewearusingthe
wearline(Figure22).Whenabladeisworn
downtothewearline,replacetheblade.
g034634
Figure22
1.Wearline
5.Ensurethateachbladeboltistorquedto45N∙m
(33.2ft-lb).
6.Gripeachbladeandensurethatthereisnot
morethanatotalof3mm(1/8inch)offree
movementineitherdirectionfromtherotor.If
thereismorethanatotalof3mm(1/8inch)of
freemovement,replacetheblade.
7.Checkeachpairofoppositebladesforaweight
differencebetweenthem.
Note:Eachpairofoppositebladesshouldnot
haveaweightdifferenceofmorethan10g(0.4
oz).
DANGER
Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrowntowardyou
orbystanders,resultinginseriouspersonal
injuryordeath.
•Inspectthebladesperiodicallyforwearor
damage.
•Replaceawornordamagedblade.
14

OperatingTips
FastThrottleSetting/Ground
Speed
Tomaintainenoughpowerforthemachineandthe
cuttingunitwhilemowing,operatetheengineatthe
fastthrottlepositionandadjustyourgroundspeedfor
theconditions.Decreasethegroundspeedasthe
loadonthecuttingunitincreases.Increasetheground
speedastheloadonthecuttingunitdecreases.
MowingDirection
Alternatemowingdirectiontoavoidmakingrutsin
theturfovertime.Thisalsohelpsdisperseclippings
whichenhancesdecompositionandfertilization.
CuttingSpeed
Toimprovecutquality,useaslowergroundspeed.
AvoidCuttingTooLow
Ifthecuttingwidthofthecuttingunitiswiderthanthe
moweryoupreviouslyused,raisethecuttingheightto
ensurethatuneventurfisnotcuttooshort.
SelecttheProperHeight-of-Cut
SettingtoSuitConditions
Removeapproximately1inch(25mm)orno
morethan1/3ofthegrassbladewhencutting.In
exceptionallylushanddensegrass,youmayhave
toslowdowntheforwardspeedand/orraisethe
height-of-cuttothenexthighersetting.
LongGrass
Ifthegrassiseverallowedtogrowslightlylongerthan
normal,orifitcontainsahighdegreeofmoisture,
raisethecuttingheighthigherthantheusualsetting
andcutthegrass.Then,cutthegrassagainusing
thelower,normalsetting.
KeeptheCuttingUnitClean
Cleanclippingsanddirtfromtheundersideofthe
cuttingunitaftereachuse.Ifgrassanddirtbuildup
insidethecuttingunit,cuttingqualitywilleventually
becomeunsatisfactory.
Toreducetheriskofrehazard,keeptheengine,
mufer,batterycompartment,parkingbrake,cutting
unit,andfuelstoragecompartmentfreeofgrass,
leaves,orexcessivegrease.Cleanupanyspilledoil
orfuel.
BladeMaintenance
•Maintainsharpbladesthroughoutthecutting
season;asharpbladecutscleanlywithouttearing
orshreddingthegrassblades.Tearingand
shreddingturnsgrassbrownattheedges,which
slowsgrowthandincreasesthechanceofdisease.
•Checkthebladesdailyforsharpnessandfor
anywearordamage.Sharpenthebladesas
necessary.
•Ifabladeisdamagedorworn,replaceit
immediatelywithagenuineTororeplacement
blade.RefertoReplacingtheBlades(page25).
15

Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
IntervalMaintenanceProcedure
Aftertherst2hours•Tightenthecasterwheelnuts.
Aftertherst10hours•Tightenthecasterwheelnuts.
Beforeeachuseordaily
•Checktheheight-of-cutsetting.
•Inspecttheailrotorsandbladesfordamage,cracks,andloosefasteners.Replace
anydamagedorcrackedparts.
•Greasethecuttingunit(greasethemimmediatelyaftereverywashingregardlessof
theintervallisted).
•Checkthefrontaps.
•Checkforanyunusualvibrationoftherotor.
•Cleanthecuttingunit.
Every50hours
•Inspectthebladesfordamageandexcessivewear.
•Ensurethateachbladeboltistorquedto45N∙m(33.2ft-lb).
•Checkthegearboxlubricant.
•Tightenthecasterwheelnuts.
•Checkthebladebolts.
•Ensurethatthecastertiresareatthecorrecttirepressure.
•Checkforexcessiveplayintherotorbearings.
Every250hours
•Checkthebelttension.
•Ensurethatthebeltdriveandtaper-lockbushingsetscrewsaretightenedtothe
correcttorque.
Every400hours•Changethegearboxlubricant.
Yearly•Replacetheblades.
16

CAUTION
Ifyouleavethekeyintheignitionswitch,someonecouldaccidentlystarttheengineand
seriouslyinjureyouorotherbystanders.
Removethekeyfromtheignitionbeforeyoudoanymaintenance.
DailyMaintenanceChecklist
Duplicatethispageforroutineuse.
Fortheweekof: MaintenanceCheckItem
Mon.Tues.Wed.Thurs.Fri.Sat.Sun.
Checktheconditionofthe
blades.
Lubricateallthegrease
ttings.1
Touch-updamagedpaint.
1.Immediatelyaftereverywashing,regardlessoftheintervallisted.
NotationforAreasofConcern
Inspectionperformedby:
ItemDateInformation
17

LubricatingtheCuttingUnit
ServiceInterval:Beforeeachuseordaily
GreaseType:No.2lithiumgrease
Replaceanydamagedgreasettings.
RefertoFigure23forthelocationofeachpairofgreasettingsonthecuttingunit.
g311728
Figure23
Leftsideshown
1.Casterarmtting3.Flangebearingtting
2.Liftarmtting4.Rearrollertting
18

CheckingtheLubricantin
theGearbox
ServiceInterval:Every50hours
Thegearboxisdesignedtooperateoneither
petroleumorsyntheticSAE80W–90gearlube.
Althoughthegearboxisshippedwithlubricantfrom
thefactory,checkthelevelbeforeoperatingthecutting
unit.Thegearboxcapacityis0.33L(11.15oz).
1.Parkthemachineonalevelsurface,lowerthe
cuttingunit,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Removethebreatherplugfromthetopof
thegearbox(Figure24)andensurethatthe
lubricantisbetweenthellmarksonthelower
partofthebreatherplug.Ifthelubricantlevel
islow,addenoughlubricantuntilthelevelis
betweenthemarks.
g313145
Figure24
1.Oillevelllmarksonbreatherplug
3.Installthebreatherplugandtorqueitto9N∙m
(84in-lb).
ChangingtheLubricantin
theGearbox
ServiceInterval:Every400hours
1.Parkthemachineonalevelsurface,lowerthe
cuttingunit,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Placeapanbeneaththedrainplugonthe
gearbox(Figure25).
3.Removethedrainplugonthelowerleftsideof
thegearboxanddraintheuid(Figure25).
g313477
Figure25
1.Drainplug
4.Installthedrainplugandtorqueto20to27N∙m
(15to20ft-lb).
5.Removethebreatherplugfromthetopofthe
gearbox.
6.Fillthegearboxwiththecorrectgearlube,
checkingperiodicallythatthelubricantis
betweenthelowerllmarksonthebreather
plug;refertoCheckingtheLubricantinthe
Gearbox(page19).
7.Whenthelubricantisbetweenthelowerll
marksonthebreatherplug,installthebreather
plugandtorqueitto9N∙m(84in-lb).
19

CheckingtheBeltTension
ServiceInterval:Every250hours
1.Parkthemachineonalevelsurface,lowerthe
cuttingunit,engagetheparkingbrake,shutoff
theengine,andremovethekey.
2.Loosenthe4captiveboltsthatsecurethetop
andbottomofthebeltcovertothemachine
(Figure26).
g319558
Figure26
1.Beltcovercaptivebolts
g320055
Figure27
1.Idlerpulleynut2.Idlerpulleypostnut
3.Loosen,butdonotremove,theidlerpulleynut
(Figure27).
Note:T oloosentheidlerpulleynut,youwill
needtoholdtheboltthatsecuresitinplaceon
theinsideofthedeck.
4.Adjustthenutontheidlerpulleyposttotension
thebelt(Figure27).
5.Pushdownonthebelttocheckthetensionas
follows(Figure28):
•Foranewbelt,youshouldbeabletopush
thebeltdown5mm(1/5inch)using6.0to
6.5kg(13.2to14.3lb)offorce.
•Forausedbelt,youshouldbeabletopush
thebeltdown5mm(1/5inch)using5.1to
5.6kg(11.2to12.3lb)offorce.
g313475
Figure28
1.Beltwithoutforce2.Beltdeected5mm(0.2
inches)
Note:Useasinglebarreltensionmeterto
measurethetension.
6.Adjustthenutontheidlerpulleypostas
necessarytotightenorloosenthebelt.
7.Rotatetherotormanuallyacoupleofturnsand
checkthebelttensionagain;ifthetensionis
incorrect,checkandadjustuntilitiscorrect.
8.Tightentheidlerpulleynut;torqueto47to57
N∙m(34to42ft-lb).
9.Installthebeltcover(Figure26).
20