Toro 03489 User manual

FormNo.3456-816RevA
18-inchor22-inch8-Bladeor
11-BladeEdgeSeries™Radial
ReelorForwardSweptDPA
CuttingUnit
Reelmaster®3550or3555TractionUnit
ModelNo.03485—SerialNo.405130001andUp
ModelNo.03486—SerialNo.405130001andUp
ModelNo.03487—SerialNo.405100001andUp
ModelNo.03488—SerialNo.405130001andUp
ModelNo.03489—SerialNo.400000000andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)*3456-816*

ThisproductcomplieswithallrelevantEuropean
directives.Fordetails,pleaseseetheDeclarationof
Incorporation(DOI)atthebackofthispublication.
Introduction
Thiscuttingunitisdesignedforcuttinggrasson
well-maintainedlawnsingolfcourses,parks,sports
elds,andoncommercialgrounds.Usingthisproduct
forpurposesotherthanitsintendedusecouldprove
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
scantheQRcodeontheserialnumberplate(if
equipped)toaccesswarranty,parts,andother
productinformation.
g279882
Figure1
1.Locationofthemodelandserialnumbers
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Contents
Safety.......................................................................3
GeneralSafety...................................................3
CuttingUnitSafety..............................................3
BladeSafety.......................................................3
SafetyandInstructionalDecals..........................3
Setup........................................................................4
1InstallingtheReelGreaseFitting......................4
2AdjustingtheCuttingUnit.................................5
3InstallingtheReelMotors.................................5
ProductOverview.....................................................6
Specications....................................................6
Attachments/Accessories...................................6
Operation..................................................................6
AdjustingtheCuttingUnit...................................6
AdjustingtheHeightofCut(HOC).....................10
Height-of-CutChartTerms................................13
Maintenance...........................................................14
UsingtheKickstandwhenTippingthe
CuttingUnit...................................................14
LubricatingtheCuttingUnits.............................14
Relief-GrindingtheReel...................................15
ServicingtheBedknife......................................16
ServicingtheBedbar........................................17
ServicingtheHDDualPointAdjusters
(DPA)............................................................19
ServicingtheRoller...........................................20
©2022—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved

Safety
Thismachinehasbeendesignedinaccordancewith
ENISO5395andANSIB71.4–2017.
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.T oreducethepotentialforinjury,
complywiththesesafetyinstructionsandalways
payattentiontothesafety-alertsymbol,which
meansCaution,Warning,orDanger—personalsafety
instruction.Failuretocomplywiththeseinstructions
mayresultinpersonalinjuryordeath.
CuttingUnitSafety
•Thecuttingunitisonlyacompletemachinewhen
installedonatractionunit.Readthetraction
unitOperator’sManualcarefullyforcomplete
instructionsonthesafeuseofthemachine.
•Stopthemachine,removethekey(ifequipped),
andwaitforallmovementtostopbeforeinspecting
theattachmentafterstrikinganobjectorifthere
isanabnormalvibrationinthemachine.Makeall
necessaryrepairsbeforeresumingoperation.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
•Useonlyaccessories,attachments,and
replacementpartsapprovedbyToro.
BladeSafety
Awornordamagedbladecanbreak,andapieceof
thebladecouldbethrowntowardyouorbystanders,
resultinginseriouspersonalinjuryordeath.
•Inspectthebladeperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
decal137-9706
137-9706
1.Cuttinghazardofthehandorfoot—shutofftheengine,
removethekeyordisconnectthesparkplug,waitforall
movingpartstostop,andreadtheOperator’sManual
beforeperformingmaintenance.
3

Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescriptionQty.Use
1Straightgreasetting1Installthereelgreasetting.
2Nopartsrequired–Adjustthecuttingunit
O-ring1
3Capscrews(maycomeassembled)2Installthereelmotors.
MediaandAdditionalParts
DescriptionQty.Use
Operator'sManual1
PartsCatalog(notincluded)—refertothe
includedpostcardforinformationonobtaining
thePartsCatalog
–Reviewthematerialandsaveitinanappropriateplace.
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
1
InstallingtheReelGrease
Fitting
Partsneededforthisprocedure:
1Straightgreasetting
Procedure
Installthegreasettingonthereel-motorsideof
thecuttingunit.RefertoFigure3todeterminethe
positionofthereelmotorsbasedonthepositionofthe
cuttingunitonthemachine.
g031275
Figure3
1.Cuttingunit15.Cuttingunit5
2.Cuttingunit26.Reelmotor
3.Cuttingunit37.Weightorotheraccessory
(soldseparately)
4.Cuttingunit4
1.Removeanddiscardthesetscrewonthe
reel-motorsideplate(Figure4).
4

g031255
Figure4
1.Capscrew(2)3.Greasetting
2.Setscrew4.Greasevent
2.Installthestraightgreasetting(Figure4).
2
AdjustingtheCuttingUnit
NoPartsRequired
Procedure
1.Adjustthebedknifetothereel.
2.Adjusttherearrollerforyourheight-of-cut
requirements.
3.Settheheightofcut.
4.Adjusttherearshieldifnecessary.
5.Onceallofthecuttingunitsareinstalledon
thetractionunitandoperational,adjusttheturf
compensationsprings.
RefertoAdjustingtheCuttingUnit(page6)
forcompleteinstructionsforperformingthese
adjustments.
3
InstallingtheReelMotors
Partsneededforthisprocedure:
1O-ring
2Capscrews(maycomeassembled)
Procedure
Important:Beforeinstallingthereelmotors,
obtainandinstallthecounterweightsorother
accessoriesontheoppositesideofthecutting
unitsfromthereelmotorsasdescribedin
theinstructionsprovidedwiththeweightsor
accessories.
1.Installthecuttingunitsontothetractionunit;
refertothetractionunitOperator’sManualsfor
instructions.
2.Iftherearenocapscrewsonthereel-motorside
plate,installthem(Figure4).
3.InstalltheO-ringonthereelmotor(Figure4).
g031254
Figure5
1.O-ring
4.Installthereelmotorandsecureitwiththecap
screws.
5.Greasethesideplateuntilexcessgreasecomes
outofthegreasevent(Figure5).
5

ProductOverview
Specications
ModelNumberWeight
0348537kg(82lb)
0348639kg(85lb)
0348742kg(92lb)
0348844kg(97lb)
0348944kg(97lb)
Attachments/Accessories
AselectionofToroapprovedattachmentsand
accessoriesisavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorauthorizedToro
distributororgotowww.Toro.comforalistofall
approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineT oro
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
Operation
RefertoyourtractionunitOperator’sManualfor
detailedoperationinstructions.Beforeusingthe
cuttinguniteachday,adjustthebedknife;referto
AdjustingtheBedknifetotheReel(page7).Testthe
qualityofcutbycuttingatestswathbeforeusingthe
cuttingunittoensurethatthenishedcutiscorrect.
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
AdjustingtheCuttingUnit
AdjustingtheRearShield
Undermostconditions,youcanattainthebest
clippingdispersionwhentherearshieldisclosed
(frontdischarge).Whenconditionsareheavyorwet,
youmayopentherearshield.
Toopentherearshield(Figure6),loosenthebolt
securingtheshieldtotheleftsideplate,rotatethe
shieldtotheopenposition,andtightenthebolt.
g031243
Figure6
1.Bolt2.Rearshield
CheckingtheCuttingUnit
Thedualknobbedknife-to-reeladjustmentsystem
incorporatedinthiscuttingunitsimpliesthe
adjustmentprocedureneededtodeliveroptimum
mowingperformance.Thepreciseadjustment
possiblewiththedualknob/bedbardesigngives
thenecessarycontroltoprovideacontinual
self-sharpeningaction-thusmaintainingsharpcutting
edges,ensuringgoodqualityofcut,andgreatly
reducingtheneedforroutinebacklapping.
Priortomowingeachday,orasrequired,checkeach
cuttingunittoverifyproperbedknife-to-reelcontact.
Performthisprocedureevenwhenthequalityof
cutisacceptable.
6

1.Slowlyrotatethereelinareversedirection,
listeningforreel-to-bedknifecontact.
Note:Theadjustmentknobshavedetents
correspondingto0.018mm(0.0007inch)
bedknifemovementforeachindexedposition.
RefertoAdjustingtheBedknifetotheReel
(page7).
2.Testthecuttingperformancebyinsertingalong
stripofcuttingperformancepaper(ToroPart
125-5610)betweenthereelandthebedknife,
perpendiculartothebedknife(Figure7).Slowly
rotatethereelforward;itshouldcutthepaper.
g027166
Figure7
Note:Ifexcessivecontact/reeldragisevident,
eitherbacklap,refacethefrontofthebedknife,
orgrindthecuttingunittoachievethesharp
edgesneededforprecisioncutting;refertothe
ToroManualforSharpeningReelandRotary
Mowers,FormNo.09168SL.
Important:Lightcontactispreferred
atalltimes.Ifyoudonotmaintainlight
contact,thebedknifeandreeledgeswill
notsufcientlyself-sharpenandwilldull
afteraperiodofoperation.Ifyoumaintain
excessivecontact,thebedknifeandreelwill
wearmorequicklyandunevenly,andthe
qualityofcutmaybeadverselyaffected.
Note:Afterextendedrunning,aridgewill
eventuallydevelopatbothendsofthebedknife.
Roundofforlethesenotchesushwiththe
cuttingedgeofthebedknifetoensuresmooth
operation.
Note:Overtime,youwillneedtogrindthe
chamfer(Figure8),asitisonlydesignedtolast
40%ofthebedknifelife.
g031270
Figure8
1.Lead-inchamferonright
endofbedknife
3.1.5mm(0.060inch)
2.6mm(0.25inch)
Note:Donotmakethelead-inchamfertoo
largeasitmaycauseturftufting.
AdjustingtheBedknifetotheReel
Usethisproceduretosetthebedknifetothereeland
tochecktheconditionofthereelandbedknifeand
theirinteraction.Aftercompletingthisprocedure,
alwaystestthecuttingunitperformanceunderyour
eldconditions.Youmayneedtomakefurther
adjustmentstoobtainoptimalcuttingperformance.
Important:Donotovertightenthebedknifetothe
reeloryouwilldamageit.
•Afterbacklappingthecuttingunitorgrindingthe
reel,youmayneedtomowwiththecuttingunitfor
afewminutesandthenperformthisprocedure
toadjustthebedknifetothereelasthereeland
bedknifeadjusttoeachother.
•Youmayneedadditionaladjustmentsiftheturfis
extremelydenseoryourcuttingheightisverylow.
Youwillneedthefollowingtoolstocompletethis
procedure:
•Shim0.05mm(0.002inch)(PartNo.140-5531)
•Cuttingperformancepaper(PartNo.125-5610)
1.Positionthecuttingunitonaat,levelwork
surface.
2.Turnthebedbar-adjustingscrews
counterclockwisetoensurethatthebedbardoes
notcontactthereel(Figure9).
7

g019940
Figure9
1.Bedbar-adjustingscrew
3.Tipthecuttingunittoexposethebedknifeand
reel.
Important:Makesurethatthenutsonthe
backendofthebedbar-adjustingscrews
arenotrestingontheworksurface;usethe
kickstand(Figure10).
g027165
Figure10
1.Kickstand
4.Rotatethereelsothatabladecrossesthe
bedknifeapproximately25mm(1inch)infrom
theendofthebedknifeontherightsideofthe
cuttingunit.
Note:Putanidentifyingmarkonthisbladeto
makesubsequentadjustmentseasier.
5.Insertthe0.05mm(0.002inch)shimbetween
themarkedreelbladeandthebedknifeatthe
pointwherethebladecrossesthebedknife.
6.Turntherightbedbaradjusterclockwiseuntil
youfeellightpressure(i.e.drag)ontheshim,
thenbackoffthebedbaradjuster2clicksand
removetheshim.
Note:Adjusting1sideofthecuttingunitaffects
theotherside,the2clickswillprovideclearance
forwhentheothersideisadjusted.
Note:Ifstartingwithalargegap,bothsides
shouldinitiallybedrawncloserbyalternately
tighteningtherightandleftsides.
7.Slowlyrotatethereelsothatthesameblade
thatyoucheckedontherightsideiscrossing
thebedknifeapproximately25mm(1inch)in
fromtheendofthebedknifeontheleftsideof
thecuttingunit.
8.Turntheleftbedbaradjusterclockwiseuntilthe
shimcanbeslidthroughthereeltobedknife
gapwithlightdrag.
9.Returntotherightsideandadjustasnecessary
togetlightdragontheshimbetweenthesame
bladeandbedknife.
10.Repeatsteps8and9untiltheshimcanbeslid
throughbothgapswithslightdrag,but1clickin
onbothsidespreventstheshimfrompassing
throughonbothsides.
Note:Thebedknifeisnowparalleltothereel.
Note:Thisprocedureshouldnotbeneeded
ondailyadjustments,butshouldbedoneafter
grindingordisassembly.
11.Fromthisposition(i.e.,1clickinandshimnot
passingthrough)turnthebedbaradjusters
clockwise1clickeach.
Note:Eachclickturnedmovesthebedknife
0.018mm(0.0007inch).Donotovertighten
theadjustingscrews.
12.T estthecuttingperformance;refertoAdjusting
theCuttingUnit(page6).
AdjustingtheRearRoller
1.Adjusttherearrollerbrackets(Figure11)tothe
desiredheight-of-cutrangebypositioningthe
requiredamountofspacersbelowtheside-plate
mountingange(Figure11)pertheHOCChart.
g003324
Figure11
1.Spacer3.Side-platemountingange
2.Rollerbracket
2.Raisetherearofthecuttingunitandplacea
blockunderthebedknife.
8

3.Removethe2nutssecuringeachrollerbracket
andspacertoeachside-platemountingange.
4.Lowertherollerandscrewsfromtheside-plate
mountingangesandspacers.
5.Placethespacersontothescrewsontheroller
brackets.
6.Securetherollerbracketandspacersto
undersideofsideplatemountingangeswith
thenutspreviouslyremoved.
7.Verifythatthebedknife-to-reelcontactiscorrect.
Tipthemowertoexposethefrontandrear
rollersandbedknife.
Note:Thepositionoftherearrollertothereel
iscontrolledbythemachiningtolerancesofthe
assembledcomponents;therefore,parallelingis
notrequired.Alimitedamountofadjustmentis
possiblebysettingthecuttingunitonasurface
plateandlooseningtheside-platemountingcap
screws(Figure12).Adjustandtightenthecap
screws.T orquethecapscrewsto37to45N·m
(27to33ft-lb).
g027270
Figure12
1.Side-platemountingcapscrews
AdjustingtheTurf-Compensation
Settings
Theturf-compensationspringtransferstheweight
fromthefronttotherearroller.Thishelpstoreduce
awavepatternintheturf,alsoknownasmarcelling
orbobbing.
Important:Makespringadjustmentswiththe
cuttingunitmountedtothetractionunit,pointing
straightaheadandloweredtotheshopoor.
1.Makesurethatthehairpincotterisinstalledin
therearholeinthespringrod(Figure13).
g027169
Figure13
1.Turf-compensationspring3.Springrod
2.Hairpincotter4.Hexnuts
2.Tightenthehexnutsonthefrontendofthe
springroduntilthecompressedlengthofthe
springis12.7cm(5inches);refertoFigure13.
Note:Whenoperatingonroughterrain
decreasethespringlengthby1.3cm(1/2inch).
Groundfollowingwillbeslightlydecreased.
Note:Resettheturfcompensationsettingif
theHOCsettingortheaggressiveness-of-cut
settingchanges.
9

AdjustingtheHeightofCut
(HOC)
Note:Forheightsofcutgreaterthan2.54cm(1inch)
installtheHighHeight-of-CutKit.
1.Loosenthelocknutssecuringtheheight-of-cut
bracketstothecutting-unitsideplates(Figure
14).
g027265
Figure14
1.Adjustingscrew3.Height-of-cutbracket
2.Locknut
2.Loosenthenutonthegaugebar(Figure15)
andsettheadjustingscrewtothedesiredheight
ofcut.Thedistancebetweenthebottomofthe
screwheadandthefaceofthebaristheheight
ofcut.
g003327
Figure15
1.Gaugebar4.Holesusedforsettingthe
heightofgroom(HOG)
2.Height-adjustingscrew5.Holenotused
3.Nut
3.Hookthescrewheadonthecuttingedgeofthe
bedknifeandresttherearendofthebaronthe
rearroller(Figure16).
4.Rotatetheadjustingscrewuntilthefrontroller
contactsthegaugebar(Figure16).Adjustboth
endsofrolleruntiltheentirerollerisparallelto
thebedknife.
g027266
Figure16
Important:Whensetproperly,therear
andfrontrollerswillcontactthegauge
barandthescrewwillbesnugagainstthe
bedknife.Thisensuresthattheheightofcut
isidenticalatbothendsofthebedknife.
5.Tightenthenutstosecuretheadjustment.
Note:Donotovertightenthenuts.Tightenthem
justenoughtoremoveplayfromthewasher.
10

Height-of-CutChart
HOCSettingAggressivenessofCutNo.ofRearSpacersNo.ofChainLinksWithGroomerkits
installed**
Less03+Y
Normal03+Y
0.64cm(0.250inch)
More13-
Less04Y
Normal13Y
0.95cm(0.375inch)
More23-
Less04Y
Normal13+Y
1.27cm(0.500inch)
More23Y
Less14Y
Normal23Y
1.56cm(0.625inch)
More33-
Less23+Y
Normal33Y
1.91cm(0.750inch)
More43-
Less24Y
Normal33Y
2.22cm(0.875inch)
More43-
Less33+Y
Normal43Y
2.54cm(1.000inch)
More53-
Less44-
Normal53-
2.86cm(1.125inches)*
More63-
Less44-
Normal53-
3.18cm(1.250inches)*
More63-
Less44-
Normal53-
3.49cm(1.375inches)*
More63-
Less53+-
Normal63-
3.81cm(1.500inches)*
More73-
+IndicatesthattheU-bracket,onliftarm,ispositionedinthebottomhole(Figure19).
*HighHOCKit(Part137-0890)mustbeinstalled.FrontHOCbracketmustbepositionedinthetopside-platehole.
**YindicatesthatthiscombinationofHOCandspacerscanbeusedwithgroomers.
Note:Changing1chainlinkchangesthepitch-anglemovementoftherearrollerby7.0degrees.
Note:ChangingtheU-bracketontheliftarmtothebottomholeadds3.5degreestothepitchangle
oftherearroller.
11

Usethefollowingcharttodeterminewhich
bedknifeisbestsuitedforthedesiredheightof
cut.
Bedknife/HeightofCutChart
BedknifePartNo.BedknifeLipHeightHeightofCut
LowHOC121-3167(18inch)5.6mm6.4to12.7mm
(Model03489)110-4084(22inch)(0.220inch)(0.250to0.500inch)
EdgeMax®LowHOC5.6mm6.4to12.7mm
(Model03485)137-6090(18inch)(0.220inch)(0.250to0.500inch)
(Model03487)137-6093(22inch)
5.6mm6.4to12.7mm
ExtendedLowHOC
(Optional)
120-1640(22inch)
(0.220inch)(0.250to0.500inch)
5.6mm6.4to12.7mm
ExtendedEdgeMax®Low
HOC(Optional)
119-4280(22inch)
(0.220inch)(0.250to0.500inch)
EdgeMax®6.9mm9.5to38.1mm
(Model03484)137-6091(18inch)(0.270inch)(0.375to1.50inches)*
(Model03486)137-6094(22inch)
121-3166(18inch)6.9mm9.5to38.1mm Standard(Optional)
108-9096(22inch)(0.270inch)(0.375to1.50inches)*
9.3mm12.7to38.1mm
HeavyDuty(Optional)110-4074(22inch)
(0.370inch)(0.500to1.50inches)
*Warm-seasongrassesmayrequiretheLowHOCbedknifefor12.7mm(0.500inch)andbelow.
g006510
Figure17
1.Bedknifelipheight
12

Height-of-CutChartTerms
Height-of-CutSetting(HOC)
Thiscorrespondstothedesiredheightofcut.
Bench-SetHeightofCut
Thebench-setheightofcutistheheightatwhich
thetopedgeofthebedknifeissetaboveaatlevel
surfacethatcontactsthebottomofboththefrontroller
andtherearroller.
EffectiveHeightofCut
Thisistheactualheightthatthegrasshasbeencut.
Foragivenbench-setheightofcut,theactualheight
ofcutwillvarydependingonthetypeofgrass,time
ofyear,turf,andsoilconditions.Thecutting-unit
setup(aggressivenessofcut,rollers,bedknives,
attachmentsinstalled,turf-compensationsettings,
etc.)willalsoaffecttheeffectiveheightofcut.Check
theeffectiveheightofcutusingtheTurfEvaluator
(Model04399)regularlytodeterminethedesired
bench-setheightofcut.
AggressivenessofCut
Theaggressivenessofcuthasasignicantimpacton
theperformanceofthecuttingunit.Aggressiveness
ofcutreferstotheangleofthebedkniferelativetothe
ground(Figure18).
Thebestcutting-unitsetupdependsonyourturf
conditionsanddesiredresults.Experiencewiththe
cuttingunitonyourturfwilldeterminethebestsetting
touse.Youcanadjusttheaggressivenessofcut
throughoutthecuttingseasontoallowforvariousturf
conditions.
Ingeneral,lesstonormalaggressivesettings
aremoreappropriateforwarm-seasongrasses
(Bermuda,paspalum,zoysia)whilecool-season
grasses(bent,bluegrass,rye)mayrequirenormalto
moreaggressivesetups.Moreaggressivesetupscut
moregrassoffbyallowingthespinningreeltopull
moregrassupintothebedknife.
g033036
Figure18
1.Rearspacers3.Aggressivenessofcut
2.Side-platemountingange
RearSpacers
Thenumberofrearspacersdeterminesthe
aggressivenessofcutforthecuttingunit.Foragiven
heightofcut,addingspacersbelowtheside-plate
mountingangeincreasestheaggressivenessofthe
cuttingunit.Allcuttingunitsonagivenmachinemust
besettothesameaggressivenessofcut(number
ofrearspacers,ToroPartNo.106-3925);otherwise,
theafter-cutappearancecouldbenegativelyaffected
(Figure18).
ChainLinks
Thelocationatwhichthelift-armchainisattached
determinesthepitchangleoftherearroller(Figure
19).
g027264
Figure19
1.Bottomhole3.Liftchain
2.U-backet
Groomer
Thesearetherecommendedheight-of-cutsettings
whenagroomerkitisinstalledonthecuttingunit.
13

Maintenance
UsingtheKickstandwhen
TippingtheCuttingUnit
Wheneverthecuttingunithastobetippedtoexpose
thebedknife/reel,propuptherearofthecuttingunit
withthekickstand(suppliedwiththetractionunit)to
makesurethatthenutsonthebackendofthebedbar
adjustingscrewsarenotrestingontheworksurface
(Figure20).
g003318
Figure20
1.Kickstand
LubricatingtheCutting
Units
Regularlylubricatethe5greasettingsofeachcutting
unit(Figure21)withNo.2lithiumgrease.
Thereare2lubricationpointsonthefrontroller,2on
therearroller,and1atthereel-motorspline.
Note:Lubricatingthecuttingunitsimmediately
afterwashinghelpspurgewateroutofthe
bearingsandincreasesbearinglife.
1.Wipeeachgreasettingwithacleanrag.
2.Applygreaseuntilcleangreasecomesoutof
therollersealsandthebearingreliefvalve.
3.Wipeanyexcessgreaseaway.
g027267
Figure21
Greasettingsonthereel-motorside
14

Relief-GrindingtheReel
Thenewreelhasalandwidthof1.3to1.5mm(0.050
to0.060inch)anda30°reliefgrind.
Whenthelandwidthgetslargerthan3mm(0.120
inch)wide,dothefollowing:
1.Applya30°reliefgrindonallreelbladesuntilthe
landwidthis1.3mm(0.050inch)wide(Figure
22andFigure23).
g028800
Figure22
RadialReels
1.30°2.1.3mm(0.050inch)
g028838
Figure23
ForwardSweptReels
1.1.3mm(0.050inch)2.30°
2.Spingrindthereeltoachieve<0.025mm(0.001
inch)reelrun-out.
Note:Thiscausesthelandwidthtogrow
slightly.
Note:T oextendthelongevityofthesharpnessofthe
edgeofthereelandthebedknife—aftergrindingthe
reeland/orthebedknife—checkthereeltobedknife
contactagainaftercutting2fairways,asanyburrs
willberemoved,whichmaycreateimproperreelto
bedknifeclearanceandthusacceleratewear.
15

ServicingtheBedknife
Thebedknifeservicelimitsarelistedinthefollowingchart.
Important:Operatingthecuttingunitwiththebedknifebelowtheservicelimitmayresultinpoor
after-cutappearanceandreducethestructuralintegrityofthebedknifeforimpacts.
BedknifeServiceLimitChart
BedknifePartNo.BedknifeLipHeight*ServiceLimit*GrindAngles
Top/FrontAngles
LowHOC
(Model03489)
121-3167(18inch)
110-4084(22inch)
5.6mm
(0.220inch)
4.8mm
(0.190inch)10/5degrees
EdgeMax®LowHOC
(Model03485)
(Model03487)
137-6090(18inch)
137-6093(22inch)
5.6mm
(0.220inch)
4.8mm
(0.190inch)
10/5degrees
ExtendedLowHOC
(Optional)
120-1640(22inch)5.6mm
(0.220inch)
4.8mm
(0.190inch)10/10degrees
ExtendedEdgeMax®
LowHOC(Optional)
119-4280(22inch)5.6mm
(0.220inch)
4.8mm
(0.190inch)10/10degrees
EdgeMax®
(Model03484)
(Model03486)
137-6091(18inch)
137-6094(22inch)
6.9mm
(0.270inch)
4.8mm
(0.190inch)
10/5degrees
Standard(Optional)121-3166(18inch)
108-9096(22inch)
6.9mm
(0.270inch)
4.8mm
(0.190inch)10/5degrees
HeavyDuty(Optional)110-4074(22inch)9.3mm
(0.370inch)
4.8mm
(0.190inch)10/5degrees
RecommendedTopandFrontBedknifeGrind
Angles(Figure24)
g027268
Figure24
1.Bedknifeservicelimit*
2.Topgrindangle
3.Frontgrindangle
Note:Allbedknifeservicelimitmeasurements
referencethebottomofthebedknife(Figure25)
g007165
Figure25
CheckingtheTopGrindAngle
Theanglethatyouusetogrindyourbedknivesis
veryimportant.
Usetheangleindicator(T oroPartNo.131-6828)and
theangle-indicatormount(T oroPartNo.131-6829)to
checktheanglethatyourgrinderproducesandthen
correctforanygrinderinaccuracy.
1.Placetheangleindicatoronthebottomsideof
thebedknifeasshowninFigure26.
16

g034113
Figure26
1.Bedknife(vertical)2.Angleindicator
2.PresstheAltZerobuttonontheangleindicator.
3.Placetheangle-indicatormountontheedgeof
thebedknifesothattheedgeofthemagnetis
matedwiththeedgeofthebedknife(Figure27).
Note:Thedigitaldisplayshouldbevisiblefrom
thesamesideduringthisstepasitwasinstep1.
g034114
Figure27
1.Angle-indicatormount3.Bedknife
2.Edgeofthemagnetmated
withtheedgeofthe
bedknife
4.Angleindicator
4.Placetheangleindicatoronthemountasshown
inFigure27.
Note:Thisistheanglethatyourgrinder
produces,andshouldbewithin2degreesofthe
recommendedtopgrindangle.
ServicingtheBedbar
RemovingtheBedbar
1.Turnthebedbar-adjustingscrews
counterclockwisetobackthebedknife
awayfromthereel(Figure28).
g027175
Figure28
1.Bedbar-adjustingscrew3.Washer
2.Bedbar4.Spring-tensionnut
2.Backoutthespring-tensionnutuntilthewasher
isnolongertensionedagainstthebedbar
(Figure28).
3.Oneachsideofthemachine,loosenthelocknut
securingthebedbarbolt(Figure29).
g003334
Figure29
1.Bedbarbolt2.Locknut
4.Removeeachbedbarboltallowingthebedbar
tobepulleddownwardandremovedfromthe
machinebolt(Figure29).
Note:Accountfor2nylonwashersand1
stampedsteelwasheroneachendofthebedbar
(Figure30).
17

g027176
Figure30
1.Bedbarbolt3.Steelwasher
2.Nut4.Nylonwasher
AssemblingtheBedbar
1.Installthebedbar,positioningthemountingears
betweenthewasherandthebedbaradjuster.
2.Securethebedbartoeachsideplatewiththe
bedbarbolts(nutsonbolts)andthe6washers.
Note:Positionanylonwasheroneachside
oftheside-plateboss.Placeasteelwasher
outsideeachofthenylonwashers(Figure30).
3.T orquethebedbarboltsto37to45N∙m(27to
33ft-lb).
Note:Tightenthelocknutsuntiltheoutside
steelwasherstopsrotatingandtheendplay
isremoved,butdonotovertightenordeect
thesideplates.Thewashersontheinsidemay
haveagap.
4.Tightenthespring-tensionnutuntilthespringis
collapsed,thenbackitoff1/2turn(Figure31).
g006505
Figure31
1.Spring-tensionnut2.Spring
InstallingtheBedknife
1.Removetherust,scale,andcorrosionfromthe
bedbarsurfaceandapplyathinlayerofoilto
thebedbarsurface.
2.Cleanthescrewthreads.
3.Applyanti-seizecompoundtothescrewsand
installthebedknifetothebedbarasfollows
(Figure32):
g279161
Figure32
1.Bedbar3.Screw
2.Bedknife
A.T orquethe2outerscrewsto1N∙m(10
in-lb);refertoFigure33.
B.Workingformthecenterofthebedknife,
torquethescrewsto23to28N∙m(200to
250in-lb);refertoFigure33.
g279162
Figure33
1.Bedknifescrewtool3.Torqueto23to28N∙m
(200to250in-lb).
2.Installandtorquethese
rstto1N∙m(10in-lb).
4.Grindthebedknife.
18

ServicingtheHDDualPoint
Adjusters(DPA)
1.Removeallparts(refertotheInstallation
InstructionsfortheHDDPAKitandtoFigure
34).
2.Applyanti-seizecompoundtotheinsideof
thebushingareaoncuttingunitcenterframe
(Figure34).
3.Alignthekeysonangebushingstotheslotsin
theframeandinstallthebushings(Figure34).
4.Installawavewasherontotheadjustershaftand
slidetheadjustershaftintotheangebushings
intheframeofthecuttingunit(Figure34).
5.Securetheadjustershaftwithaatwasherand
locknut(Figure34).
6.Torquethelocknutto20to27N∙m(15to20
ft-lb).
Note:Thebedbaradjustershafthasleft-hand
threads.
g016926
Figure34
1.Shaftadjuster4.Applyanti-seizecompound
here.
7.Applyanti-seizecompound
here.
10.Compressionspring
2.Wavewasher5.Flatwasher8.Bedbar-adjusterscrew11.Spring-tensionnut
3.Flangebushing6.Locknut9.Hardenedwasher
7.Applyanti-seizecompoundtothethreadsofthe
bedbar-adjusterscrewthattintotheadjuster
shaft.
8.Threadthebedbar-adjusterscrewintothe
adjustershaft.
9.Looselyinstallthehardenedwasher,spring,and
springtensionnutontotheadjusterscrew.
10.Installthebedbar,positioningthemountingears
betweenthewasherandthebedbaradjuster.
11.Securethebedbartoeachsideplatewiththe
bedbarbolts(nutsonbolts)and6washers.
Note:Positionanylonwasheroneachsideof
theside-plateboss.
12.Placeasteelwasheroutsideeachofthenylon
washers(Figure34).
13.T orquethebedbarboltsto37to45N∙m(27to
33ft-lb).
14.Tightenthelocknutsuntiltheoutsidesteel
washerstopsrotatingandendplayisremoved
butdonotovertightenordeectthesideplates.
Note:Thewashersontheinsidemayhavea
gap(Figure34).
15.Tightenthenutoneachbedbar-adjuster
assemblyuntilthecompressionspringisfully
compressed,thenloosenthenut1/2turn(Figure
34).
19

16.Repeatthisprocedureontheotherendofthe
cuttingunit.
17.Adjustthebedknifetothereel;refertoAdjusting
theBedknifetotheReel(page7).
ServicingtheRoller
TheRollerRebuildKit(PartNo.114-5430)andthe
RollerRebuildToolKit(PartNo.115-0803)(Figure
35)areavailableforservicingtheroller.TheRoller
RebuildKitincludesallthebearings,bearingnuts,
innerseals,andoutersealstorebuildaroller.
TheRollerRebuildToolKitincludesallthetoolsand
theinstallationinstructionsrequiredtorebuildaroller
withtherollerrebuildkit.Refertoyourpartscatalogor
contactyourauthorizedTorodistributorforassistance.
g007790
Figure35
1.RollerRebuildKit(PartNo.114-5430)6.Bearingnut
2.RollerRebuildToolkit(PartNo.115-0803)7.Innersealtool
3.Innerseal8.Washer
4.Bearing9.Bearing/outer-sealtool
5.Outerseal
20