Toro 03721 User manual

FormNo.3429-864RevA
8and11-Blade27-inchand
8-Blade32-inchEdgeSeriesDPA
CuttingUnit
Reelmaster®7000-DTractionUnit
ModelNo.03721—SerialNo.403447001andUp
ModelNo.03722—SerialNo.403447001andUp
ModelNo.03727—SerialNo.403447001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)*3429-864*A

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.
g282197
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)......................11
Height-of-CutChartTerms................................13
Maintenance...........................................................15
UsingtheKickstandWhenTippingthe
CuttingUnit...................................................15
LubricatingtheCuttingUnit...............................15
Relief-GrindingtheReel...................................15
ServicingtheBedknife.....................................16
ServicingtheBedbar........................................17
ServicingtheHDDualPointAdjusters
(DPA)............................................................19
ServicingtheRoller...........................................20
©2019—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(if
equipped).
–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.
decal93-6688
93-6688
1.Warning—readthe
instructionsbefore
servicingorperforming
maintenance.
2.Cuttinghazardofhandor
foot—shutofftheengine
andwaitformovingparts
tostop.
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

g028640
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.Adjustthecuttingunitsteeringasrequired.
6.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(Figure5).
g191072
Figure5
1.O-ring
4.Installthereelmotorandsecureitwiththecap
screws.
5.Greasethesideplateuntilexcessgreasecomes
outofthegreasevent(Figure4).
5

ProductOverview
Specications
ModelNumberWeight
0372166kg(145lb)
0372268kg(150lb)
0372774kg(162lb)
Attachments/Accessories
AselectionofToroapprovedattachmentsand
accessoriesisavailableforusewiththemachine
toenhanceandexpanditscapabilities.Contact
yourAuthorizedServiceDealerorauthorizedToro
distributororgotowww.Toro.comforalistofall
approvedattachmentsandaccessories.
Toensureoptimumperformanceandcontinuedsafety
certicationofthemachine,useonlygenuineT oro
replacementpartsandaccessories.Replacement
partsandaccessoriesmadebyothermanufacturers
couldbedangerous,andsuchusecouldvoidthe
productwarranty.
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
AdjustingtheCuttingUnit
AdjustingtheRearShield
Undermostconditions,youcanattainthebest
clippingdispersionwhentherearshieldisclosed
(frontdischarge).Whenconditionsareheavyorwet,
youmayopentherearshield.
Toopentherearshield(Figure6),loosenthebolt
securingtheshieldtotheleftsideplate,rotatethe
shieldtotheopenposition,andtightenthebolt.
g191341
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.
Performthisprocedureevenifthequalityofcut
isacceptable.
1.Slowlyrotatethereelinareversedirection,
listeningforreel-to-bedknifecontact.
Note:Theadjustmentknobshavedetents
correspondingto0.018mm(0.0007inch)
bedknifemovementforeachindexedposition.
6

RefertoAdjustingtheBedknifetotheReel
(page8).
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
wearquicker,wearunevenly,andthequality
ofcutmaybeadverselyaffected.
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.
AdjustingtheCutting-Unit
Steering
IncreasingtheSteeringfortheRearCutting
Units
Increasethesteeringontherearcuttingunitsby
removingthe2pivotspacers,hexsocketscrews,and
angelocknuts(Figure9)fromthecarrierframesof
therearcuttingunits(cuttingunits2and3);referto
Figure10.
g015978
Figure9
1.Hexsocketscrew3.Carrierframe
2.Pivotspacer4.Flangelocknut
7

g031275
Figure10
1.Cuttingunit15.Cuttingunit5
2.Cuttingunit26.Reelmotor
3.Cuttingunit37.Weight
4.Cuttingunit4
LockingtheSteering
Tolock(x)thesteeringonthecuttingunits,secure
thepivotyoketothecarrierframewiththesnapper
pin(Figure11).
g015977
Figure11
1.Snapperpin
Note:Fixedsteeringisrecommendedwhen
cuttingsidehills.
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.125-5611)
•Cuttingperformancepaper(PartNo.125-5610)
1.Positionthecuttingunitonaat,levelwork
surface.
2.Turnthebedbar-adjustingscrews
counterclockwisetoensurethatthebedbardoes
notcontactthereel(Figure12).
g000486
Figure12
1.Bedbar-adjustingscrew
3.Tipthecuttingunittoexposethebedknifeand
reel.
Important:Makesurethatthenutsonthe
backendofthebedbar-adjustingscrews
arenotrestingontheworksurface;usethe
kickstand(Figure13).
8

g191340
Figure13
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
0.022mm(0.0009inch).Donotovertighten
theadjustingscrews.
12.Testthecuttingperformancebyinsertingalong
stripofTorocuttingperformancepaperbetween
thereelandthebedknife,perpendiculartothe
bedknife(Figure14).
Note:Slowlyrotatethereelforward;itshould
cutthepaper.
g027166
Figure14
Note:Ifexcessivereeldragoccurs,either
backlaporgrindthecuttingunittoachievethe
sharpedgesneededforprecisioncutting.
AdjustingtheRearRoller
1.Adjusttherearrollerbrackets(Figure15)tothe
desiredheight-of-cutrangebypositioningthe
requiredamountofspacersbelowtheside-plate
mountingange(Figure15)pertheHOCChart.
9

g003324
Figure15
1.Spacer3.Side-platemountingange
2.Rollerbracket
2.Raisetherearofthecuttingunitandplacea
blockunderthebedknife.
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(Figure16).Adjustandtightenthecap
screws.T orquethecapscrewsto37to45N-m
(27to33ft-lb).
g027167
Figure16
1.Side-platemountingcapscrews
AdjustingtheTurf-Compensation
Settings
Theturf-compensationspringtransferstheweight
fromthefronttotherearroller.Thishelpstoreduce
awavepatternintheturf,alsoknownasmarcelling
orbobbing.
Important:Makethespringadjustmentswiththe
cuttingunitmountedtothetractionunit,pointing
straightaheadandloweredtotheshopoor.
1.Makesurethatthehairpincotterisinstalledin
therearholeinthespringrod(Figure17).
g027169
Figure17
1.Turf-compensationspring3.Springrod
2.Hairpincotter4.Hexnuts
2.Tightenthehexnutsonthefrontendofthe
springroduntilthecompressedlengthofthe
springis15.9cm(6.25inches)(Figure17).
10

Note:Whenoperatingthemachineonrough
terrain,decreasethespringlengthby12.7mm
(1/2inch).
Note:Theturf-compensationsettingwill
needtoberesetiftheHOCsettingorthe
aggressiveness-of-cutsettingischanged.
AdjustingtheHeightofCut
(HOC)
Note:Forheightsofcutgreaterthan2.54cm(1inch)
installtheHighHeight-of-CutKit.
1.Loosenthelocknutssecuringtheheight-of-cut
bracketstothecutting-unitsideplates(Figure
18).
g015089
Figure18
1.Adjustingscrew3.Height-of-cutbracket
2.Locknut
2.Loosenthenutonthegaugebar(Figure19)
andsettheadjustingscrewtothedesiredheight
ofcut.Thedistancebetweenthebottomofthe
screwheadandthefaceofthebaristheheight
ofcut.
g003327
Figure19
1.Gaugebar4.Holesusedforsettingthe
heightofgroom(HOG)
2.Height-adjustingscrew5.Holenotused
3.Nut
3.Hookthescrewheadonthecuttingedgeofthe
bedknifeandresttherearendofthebaronthe
rearroller(Figure20).
4.Rotatetheadjustingscrewuntilthefrontroller
contactsthegaugebar(Figure20).Adjustboth
endsofrolleruntiltheentirerollerisparallelto
thebedknife.
g003328
Figure20
Important:Whensetproperly,therear
andfrontrollerswillcontactthegauge
barandthescrewwillbesnugagainstthe
bedknife.Thisensuresthattheheightofcut
isidenticalatbothendsofthebedknife.
5.Tightenthenutstosecuretheadjustment.
Note:Donotovertightenthenuts.Tightenthem
justenoughtoremoveplayfromthewasher.
11

Height-of-CutChart
HOC
Setting
Aggressiveness
ofCut
No.of
Rear
Spacers
No.of
Chain
Links
With
Groomer
kits
installed**
HOC
Setting
Aggressiveness
ofCut
No.of
Rear
Spacers
No.of
Chain
Links
With
Groomer
kits
installed**
Less05+YLess55-
Normal05+YNormal65-
0.64
cm
(0.250
inch)More15+-
4.13
cm
(1.625
inches)More75-
Less05+YLess65-
Normal15+YNormal75-
0.95
cm
(0.375
inch)More25+-
4.44
cm
(1.750
inches)More86-
Less06YLess75-
Normal15+YNormal86-
1.27
cm
(0.500
inch)More25+Y
4.76
cm
(1.875
inches)More96-
Less16YLess76-
Normal25+YNormal86-
1.56
cm
(0.625
inch)More35+-
5.08
cm
(2.000
inches)More96-
Less26YLess86-
Normal35+YNormal96-
1.91
cm
(0.750
inch)More46-
5.40
cm
(2.125
inches)More106-
Less26YLess86-
Normal36YNormal96-
2.22
cm
(0.875
inch)More45+-
5.71
cm
(2.250
inches)More106-
Less36YLess96-
Normal45+YNormal106-
2.54
cm
(1.000
inch)More55+-
6.03
cm
(2.375
inches)More116-
Less46-Less96-
Normal55-Normal106-
2.86
cm
(1.125
inches)*More65-
6.35
cm
(2.500
inches)More116-
Less46-+indicatesthattheUbracket,ontheliftarm,ispositioned
inthebottomhole(Figure23).
Normal56-"Y"indicatesthatthiscombinationofHOCandspacerscanbe
usedwith27-inchgroomers.
3.18
cm
(1.250
inches)*
More66-Note:Changing1chainlinkchangesthepitch-angle
movementoftherearrollerby7.0degrees.
Less46-Note:ChangingtheU-bracketontheliftarmtothebottom
holeadds3.5degreestothepitchangleoftherearroller.
Normal56-
3.49
cm
(1.375
inches)*
More66-
Less56-
Normal66-
3.81
cm
(1.500
inches)*More76-
12

Usethefollowingcharttodeterminewhich
bedknifeisbestsuitedforthedesiredheightof
cut.
Bedknife/HeightofCutChart
BedknifePartNo.BedknifeLipHeightHeightofCut
120-1641(27inch)5.6mm(0.220inch)6.4to12.7mm(0.250to0.500inch) LowHOC(Optional)
120-1642(32inch)
EdgeMax®(Optional)112-8910(27inch)6.9mm(0.270inch)9.5to63.5mm(0.375to2.50
inches)*
112-8956(32inch)
114-9388(27inch)6.9mm(0.270inch)9.5to63.5mm(0.375to2.50
inches)*
Standard(Production)
114-9389(32inch)
114-9390(27inch)9.3mm(0.370inch)12.7to63.5mm(0.500to
2.50inches)
HeavyDuty(Optional)
114-9391(32inch)
*Warm-seasongrassesmayrequiretheLowHOCbedknifefor12.7mm(0.500inch)andbelow.
g006510
Figure21
1.Bedknifelipheight
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(Figure22).
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.
g033976
Figure22
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,
13

theafter-cutappearancecouldbenegativelyaffected
(Figure22).
ChainLinks
Thelocationatwhichthelift-armchainisattached
determinesthepitchangleoftherearroller(Figure
23).
g020410
Figure23
1.Liftchain3.Bottomhole
2.Ubracket
Groomer
Thesearetherecommendedheight-of-cutsettings
whenagroomerkitisinstalledonthecuttingunit.
14

Maintenance
UsingtheKickstandWhen
TippingtheCuttingUnit
Wheneverthecuttingunithastobetippedtoexpose
thebedknife/reel,propuptherearofthecuttingunit
withthekickstand(suppliedwiththetractionunit)to
makesurethatthenutsonthebackendofthebedbar
adjustingscrewsarenotrestingontheworksurface
(Figure24).
g191340
Figure24
1.Kickstand
LubricatingtheCuttingUnit
g191601
Figure25
1.Reliefvalve
Eachcuttingunithas5greasettings(Figure25)that
mustbelubricatedregularlywithNo.2lithiumgrease.
Thelubricationpointsarethefrontroller(2),therear
roller(2),andatthereelmotorspline(1).
Note:Lubricatingthecuttingunitsimmediately
afterwashinghelpspurgewateroutofthe
bearingsandincreasesbearinglife.
1.Wipeeachgreasettingwithacleanrag.
2.Applygreaseuntilcleangreasecomesoutof
therollersealsandthebearingreliefvalve.
3.Wipeanyexcessgreaseaway.
Relief-GrindingtheReel
Thenewreelhasalandwidthof1.3to1.5mm(0.050
to0.060inch)anda30degreereliefgrind.
Whenthelandwidthgetslargerthan3mm(0.120
inch)wide,dothefollowing:
1.Applya30degreereliefgrindonallreelblades
untilthelandwidthis1.3mm(0.050inch)wide
(Figure26).
g028800
Figure26
1.30degrees2.1.3mm(0.050inch)
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.BedknifeLipHeightServiceLimit*GrindAngles
Top/FrontAngles
LowHOC(Optional)120-1641(27inch)
120-1642(32inch)
5.6mm(0.220inch)4.8mm(0.190inch)10/5degrees
EdgeMax®(Optional)112-8910(27inch)
112-8956(32inch)
6.9mm(0.270inch)4.8mm(0.190inch)10/5degrees
Standard(Production)114-9388(27inch)
114-9389(32inch)
6.9mm(0.270inch)4.8mm(0.190inch)10/5degrees
HeavyDuty(Optional)114-9390(27inch)
114-9391(32inch)
9.3mm(0.370inch)4.8mm(0.190inch)10/5degrees
g027268
Figure27
RecommendedTopandFrontBedknifeGrindAngles
1.Bedknifeservicelimit*
2.Topgrindangle
3.Frontgrindangle
Note:Allbedknifeservicelimitmeasurementsrelate
tothebottomofthebedknife(Figure28).
g007165
Figure28
CheckingtheTopGrindAngle
Theanglethatyouusetogrindyourbedknivesis
veryimportant.
Usetheangleindicator(T oroPartNo.131-6828)and
theangle-indicatormount(T oroPartNo.131-6829)to
checktheanglethatyourgrinderproducesandthen
correctforanygrinderinaccuracy.
1.Placetheangleindicatoronthebottomsideof
thebedknifeasshowninFigure29.
g034113
Figure29
1.Bedknife(vertical)2.Angleindicator
2.PresstheAltZerobuttonontheangleindicator.
3.Placetheangle-indicatormountontheedgeof
thebedknifesothattheedgeofthemagnetis
matedwiththeedgeofthebedknife(Figure30).
Note:Thedigitaldisplayshouldbevisiblefrom
thesamesideduringthisstepasitwasinstep1.
16

g034114
Figure30
1.Angle-indicatormount3.Bedknife
2.Edgeofthemagnetmated
withtheedgeofthe
bedknife
4.Angleindicator
4.Placetheangleindicatoronthemountasshown
inFigure30.
Note:Thisistheanglethatyourgrinder
produces;itshouldbewithin2degreesofthe
recommendedtopgrindangle.
ServicingtheBedbar
RemovingtheBedbar
1.Turnthebedbar-adjusterscrews
counterclockwisetobackthebedknife
awayfromthereel(Figure31).
g016647
Figure31
1.Bedbar-adjustingscrew3.Bedbar
2.Spring-tensionnut4.Washer
2.Backoutthespring-tensionnutuntilthewasher
isnolongertensionedagainstthebedbar
(Figure31).
3.Oneachsideofthemachine,loosenthelocknut
securingthebedbarbolt(Figure32).
g003334
Figure32
1.Bedbarbolt2.Locknut
4.Removeeachbedbarbolt,allowingthebedbar
tobepulleddownwardandremovedfrom
machinebolt(Figure32).
Note:Accountfor2nylonwashersand1
stampedsteelwasheroneachendofthebedbar
(Figure33).
g003335
Figure33
1.Bedbarbolt3.Steelwasher
2.Nut4.Nylonwasher
AssemblingtheBedbar
1.Installthebedbar,positioningthemountingears
betweenthewasherandthebedbaradjuster.
2.Securethebedbartoeachsideplatewiththe
bedbarbolts(nutsonbolts)and6washers.
Note:Positionanylonwasheroneachside
oftheside-plateboss.Placeasteelwasher
outsideeachofthenylonwashers(Figure33).
3.Torquethebedbarboltsto37to45N∙m(27to
33ft-lb).
Note:Tightenthelocknutsuntiltheoutside
steelwasherstopsrotatingandendplayis
removed,butdonotovertightenordeectthe
sideplates.Thewashersontheinsidemay
haveagap.
17

4.Tightenthespring-tensionnutuntilthespringis
collapsed,thenbackoff1/2turn(Figure34).
g016648
Figure34
1.Spring-tensionnut2.Spring
InstallingtheBedknife
1.Removetherust,scale,andcorrosionfromthe
bedbarsurfaceandapplyathinlayerofoilto
thebedbarsurface.
2.Cleanthescrewthreads.
3.Applyanti-seizecompoundtothescrewsand
installthebedknifetothebedbarasfollows
(Figure35):
g279161
Figure35
1.Bedbar3.Screw
2.Bedknife
A.Torquethe2outerscrewsto1N∙m(10
in-lb);refertoFigure35.
B.Workingformthecenterofthebedknife,
torquethescrewsto23to28N∙m(200to
250in-lb);refertoFigure35.
g279162
Figure36
1.Bedknifescrewtool3.Torqueto23to28N∙m
(200to250in-lb).
2.Installandtorquethese
rstto1N∙m(10in-lb).
4.Grindthebedknife.
18

ServicingtheHDDualPoint
Adjusters(DPA)
1.Removeallparts(refertotheInstallation
InstructionsfortheHDDPAKit(ModelNo.
120-7230)andtoFigure37).
2.Applyanti-seizecompoundtotheinsideofthe
bushingareaonthecarrierframeofthecutting
unit(Figure37).
3.Alignthekeysonangebushingstotheslotsin
theframeandinstallthebushings(Figure37).
4.Installawavewasherontotheadjustershaftand
slidetheadjustershaftintotheangebushings
intheframeofthecuttingunit(Figure37).
5.Securetheadjustershaftwithaatwasherand
locknut(Figure37).T orquethelocknutto20to
27N∙m(15to20ft-lb).
Note:Thebedbaradjustershafthasleft-hand
threads.
g016926
Figure37
1.Shaftadjuster4.Applyanti-seizecompound
here.
7.Applyanti-seizecompound
here.
10.Compressionspring
2.Wavewasher5.Flatwasher8.Bedbar-adjusterscrew11.Spring-tensionnut
3.Flangebushing6.Locknut9.Hardenedwasher
6.Applyanti-seizecompoundtothethreadsofthe
bedbar-adjusterscrewthattintotheadjuster
shaft.
7.Threadthebedbar-adjusterscrewintothe
adjustershaft.
8.Looselyinstallthehardenedwasher,spring,and
spring-tensionnutontotheadjusterscrew.
9.Installthebedbar,positioningthemountingears
betweenthewasherandthebedbaradjuster.
10.Securethebedbartoeachsideplatewiththe
bedbarbolts(nutsonbolts)and6washers.
Note:Positionanylonwasheroneachsideof
thesideplateboss.
Placeasteelwasheroutsideeachofthenylon
washers(Figure37).
Torquethebedbarboltsto37to45N∙m(27to33
ft-lb).Tightenthelocknutsuntiltheoutsidesteel
washerstopsrotatingandendplayisremoved,
butdonotovertightenordeectthesideplates.
Thewashersontheinsidemayhaveagap.
11.Tightenthenutoneachbedbar-adjuster
assemblyuntilthecompressionspringisfully
compressed,thenloosenthenut1/2turn(Figure
37).
12.Repeattheprocedureontheotherendofthe
cuttingunit.
13.Adjustthebedknifetothereel.
19

ServicingtheRoller
TheRollerRebuildKitandtheRollerRebuildToolKit
(Figure38)areavailableforservicingtheroller.The
RollerRebuildKitincludesallthebearings,bearing
nuts,innerseals,andoutersealstorebuildaroller.
TheRollerRebuildToolKitincludesallthetools
andtheinstallationinstructionsrequiredtorebuilda
rollerwiththeRollerRebuildKit.RefertoyourParts
Catalogorcontactyourdistributorforassistance.
g007790
Figure38
1.Rebuildkit(PartNo.114-5430)6.Bearingnut
2.Rebuildtoolkit(PartNo.115-0803)7.Inner-sealtool
3.Innerseal8.Washer
4.Bearing9.Bearing/outer-sealtool
5.Outerseal
20