Toro Reelmaster 03485 User manual

FormNo.3420-448RevA
18-inchor22-inch8-Bladeor
11-BladeDPACuttingUnit
Reelmaster®3550or3555SeriesTraction
Unit
ModelNo.03485—SerialNo.401370001andUp
ModelNo.03486—SerialNo.401370001andUp
ModelNo.03487—SerialNo.401400001andUp
ModelNo.03488—SerialNo.401400001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)*3420-448*A

WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemical
orchemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orreproductiveharm.
ThisproductcomplieswithallrelevantEuropean
directives.Fordetails,pleaseseetheDeclarationof
Incorporation(DOI)atthebackofthispublication.
Introduction
Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoid
injuryandproductdamage.Youareresponsiblefor
operatingtheproductproperlyandsafely.
YoumaycontactT orodirectlyatwww.Toro.com
forproductsafetyandoperationtrainingmaterials,
accessoryinformation,helpndingadealer,orto
registeryourproduct.
Wheneveryouneedservice,genuineT oroparts,or
additionalinformation,contactanAuthorizedService
DealerorToroCustomerServiceandhavethemodel
andserialnumbersofyourproductready.Figure1
identiesthelocationofthemodelandserialnumbers
ontheproduct.Writethenumbersinthespace
provided.
g027162
Figure1
1.Locationofthemodelandserialnumbers
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhas
safetymessagesidentiedbythesafety-alertsymbol
(Figure2),whichsignalsahazardthatmaycause
seriousinjuryordeathifyoudonotfollowthe
recommendedprecautions.
g000502
Figure2
1.Safety-alertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.
Contents
Safety.......................................................................3
GeneralSafety...................................................3
SafeOperatingPractices....................................3
SafetyandInstructionalDecals..........................4
Setup........................................................................5
1InspectingtheCuttingUnit...............................5
2UsingtheKickstand.........................................5
3AdjustingtheRearShield.................................6
4InstallingtheLooseParts.................................6
ProductOverview.....................................................8
Specications....................................................8
Attachments/Accessories...................................8
Operation..................................................................8
MakingAdjustments...........................................8
Height-of-CutChartTerms................................10
Height-of-CutChart..........................................12
Maintenance...........................................................16
LubricatingtheMachine....................................16
Relief-GrindingtheReel...................................16
ServicingtheBedknife......................................17
ServicingtheBedbar........................................18
ServicingtheHDDualPointAdjusters
(DPA)............................................................19
ServicingtheRoller...........................................21
©2018—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN554202
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved

Safety
Thismachinehasbeendesignedinaccordancewith
ENISO5395:2013andANSIB71.4-2012.
GeneralSafety
Thisproductiscapableofamputatinghandsand
feetandofthrowingobjects.Alwaysfollowallsafety
instructionstoavoidseriouspersonalinjury.
Usingthisproductforpurposesotherthanitsintended
usecouldprovedangeroustoyouandbystanders.
•Readandunderstandthecontentsofthis
Operator’sManualbeforestartingtheengine.
•Donotputyourhandsorfeetnearmoving
componentsofthemachine.
•Donotoperatethemachinewithoutallguards
andothersafetyprotectivedevicesinplaceand
workingonthemachine.
•Keepclearofanydischargeopening.Keep
bystandersandpetsasafedistanceawayfrom
themachine.
•Keepchildrenoutoftheoperatingarea.Never
allowchildrentooperatethemachine.
•Parkthemachineonalevelsurface,lowerthe
cuttingunits,disengagethedrives,engagethe
parkingbrake(ifprovided),shutofftheengine,
andremovethekeybeforeleavingtheoperator's
positionforanyreason.
Improperlyusingormaintainingthismachinecan
resultininjury.T oreducethepotentialforinjury,
complywiththesesafetyinstructionsandalwayspay
attentiontothesafety-alertsymbol,whichmeans
Caution,Warning,orDanger—personalsafety
instruction.Failuretocomplywiththeseinstructions
mayresultinpersonalinjuryordeath.
Youcanndadditionalsafetyinformationwhere
neededthroughoutthisOperator’sManual.
SafeOperatingPractices
•ReadtheOperator’sManualforthetractionunit
andothertrainingmaterialcarefully.Befamiliar
withthecontrols,safetysigns,andtheproper
useoftheequipment.Iftheoperatorormechanic
cannotreadthelanguageofthismanual,itisthe
owner'sresponsibilitytoexplainthismaterialto
them.
•Becomefamiliarwiththesafeoperationofthe
equipment,operatorcontrols,andsafetysigns.
•Theowner/operatorcanpreventandisresponsible
foraccidentsthatmaycausepersonalinjuryor
propertydamage.
•Wearappropriateclothing,includingeye
protection;substantial,slip-resistantfootwear;
longpants,andhearingprotection.Tiebacklong
hairanddonotwearloosejewelry.
•Inspecttheareawheretheequipmentistobe
usedandremoveallobjects,suchasrocks,toys,
andwire,thatthemachinecanthrow.
•Checkthatoperator'spresencecontrols,safety
switches,andshieldsareattachedandfunctioning
properly.Donotoperatethemachineunlessthey
arefunctioningproperly.
•Stopthemachine,removethekey,andwaitfor
allmovingpartstostopbeforeinspectingthe
attachmentafterstrikinganobjectorifthereis
anabnormalvibrationinthemachine.Makeall
necessaryrepairsbeforeresumingoperation.
•Keepyourhandsandfeetawayfromthecutting
units.
•Keepallpartsingoodworkingconditionandall
hardwaretightened.Replaceallwornordamaged
decals.
•Awornordamagedbladecanbreak,anda
pieceofthebladecouldbethrowntowardyouor
bystanders,resultinginseriouspersonalinjuryor
death.
•Inspectthebladeperiodicallyforwearordamage.
•Usecarewhencheckingtheblades.Wrapthe
bladesorweargloves,andusecautionwhen
servicingtheblades.Onlyreplaceorsharpenthe
blades;neverstraightenorweldthem.
•Onmulti-bladedmachines,takecareasrotating1
bladecancauseotherbladestorotate.
3

SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyarea
ofpotentialdanger.Replaceanydecalthatisdamagedormissing.
decal93-6688
93-6688
1.Warning—readthe
instructionsbefore
servicingorperforming
maintenance.
2.Cuttinghazardofhandor
foot—shutofftheengine
andwaitformovingparts
tostop.
4

Setup
LooseParts
Usethechartbelowtoverifythatallpartshavebeenshipped.
ProcedureDescriptionQty.Use
1Cuttingunit1Inspectthecuttingunit.
2Nopartsrequired–Usethekickstandwhentippingthe
cuttingunit.
3Nopartsrequired–Adjusttherearshield.
Straightgreasetting1
O-ring1
4Screws2
Installthelooseparts.
MediaandAdditionalParts
DescriptionQty.Use
Operator'sManual1
PartsCatalog(notincluded)—refertothe
includedpostcardforinformationonobtaining
thePartsCatalog
–Reviewthematerialandsaveitinanappropriateplace.
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
1
InspectingtheCuttingUnit
Partsneededforthisprocedure:
1Cuttingunit
Procedure
Afterthecuttingunitisremovedfromthebox,inspect
thefollowing:
1.Checkeachendofthereelforgrease.
Note:Greaseshouldbevisiblyevidentinthe
internalsplinesofthereelshaft.
2.Ensurethatallnutsandboltsaresecurely
tightened.
3.Makesurethatthesuspensionofthecarrier
frameoperatesfreelyanddoesnotbindwhen
movedbackandforth.
2
UsingtheKickstand
NoPartsRequired
Procedure
Wheneverthecuttingunithastobetippedtoexpose
thebedknife/reel,propuptherearofthecuttingunit
withthekickstand(suppliedwiththetractionunit)to
makesurethatthenutsonthebackendofthebedbar
adjustingscrewsarenotrestingontheworksurface
(Figure3).
5

g027165
Figure3
1.Kickstand
3
AdjustingtheRearShield
NoPartsRequired
Procedure
Undermostconditions,youcanattainthebest
dispersionwhentherearshieldisclosed(front
discharge).Whenconditionsareheavyorwet,you
canopentherearshield.
Toopentherearshield(Figure4),loosenthebolt
securingtheshieldtotheleftsideplate,rotatethe
shieldtotheopenposition,andtightenthebolt.
g031243
Figure4
1.Bolt2.Rearshield
4
InstallingtheLooseParts
Partsneededforthisprocedure:
1Straightgreasetting
1O-ring
2Screws
Procedure
Installthegreasettingonthereel-motorsideofthe
cuttingunit.UseFigure5todeterminetheposition
ofthereelmotors.
g031275
Figure5
1.Cuttingunit15.Cuttingunit5
2.Cuttingunit26.Reelmotor
3.Cuttingunit37.Weight
4.Cuttingunit4
1.Removeanddiscardthesetscrewonthe
reel-motorsideplate(Figure6).
g031255
Figure6
1.Bolt(2)3.Greasetting
2.Setscrew4.Greasevent
2.Installthestraightgreasetting(Figure6).
3.Iftherearenoboltsonthereel-motorsideplate,
installthem(Figure6).
6

4.InstalltheO-ringonthereelmotor(Figure7).
g031254
Figure7
1.O-ring
5.Installthereelmotor.
6.Greasethesideplateuntilexcessgreasecomes
outthegreasevent(Figure6).
7

ProductOverview
Specications
ModelNumberNetWeight
0348537kg(82lb)
0348639kg(85lb)
0348742kg(92lb)
0348844kg(97lb)
Attachments/Accessories
AselectionofToro-approvedattachmentsandaccessoriesisavailableforusewiththemachinetoenhance
andexpanditscapabilities.ContactyourAuthorizedServiceDealerorDistributororgotowww.Toro.comfor
alistofallapprovedattachmentsandaccessories
TobestprotectyourinvestmentandmaintainoptimalperformanceofyourToroequipment,countonT oro
genuineparts.Whenitcomestoreliability,Torodeliversreplacementpartsdesignedtotheexactengineering
specicationofourequipment.Forpeaceofmind,insistonT orogenuineparts.
Operation
Note:Determinetheleftandrightsidesofthe
machinefromthenormaloperatingposition.
MakingAdjustments
AdjustingtheBedknifetotheReel
Usethisproceduretosetthebedknifetothereeland
tochecktheconditionofthereelandbedknifeand
theirinteraction.Aftercompletingthisprocedure,
alwaystestthecuttingunitperformanceunderyour
eldconditions.Youmayneedtomakefurther
adjustmentstoobtainoptimalcuttingperformance.
Important:Donotovertightenthebedknifetothe
reeloryouwilldamageit.
•Afterbacklappingthecuttingunitorgrindingthe
reel,youmayneedtomowwiththecuttingunitfor
afewminutesandthenperformthisprocedure
toadjustthebedknifetothereelasthereeland
bedknifeadjusttoeachother.
•Youmayneedadditionaladjustmentsiftheturfis
extremelydenseoryourcuttingheightisverylow.
Youwillneedthefollowingtoolstocompletethis
procedure:
•Shim(0.002inch)—ToroPartNo.125-5611
•Cuttingperformancepaper—T oroPartNo.
125-5610
1.Positionthecuttingunitonaat,levelwork
surface.
2.Turnthebedbaradjustingscrews
counterclockwisetoensurethatthebedbardoes
notcontactthereel(Figure8).
g019940
Figure8
1.Bedbaradjustingscrew
3.Tipthecuttingunittoexposethebedknifeand
reel.
Important:Makesurethatthenutsonthe
backendofthebedbaradjustingscrewsare
notrestingontheworksurface(Figure9).
8

g027165
Figure9
1.Kickstand
4.Rotatethereelsothatabladecrossesthe
bedknifeapproximately25mm(1inch)infrom
theendofthebedknifeontherightsideofthe
cuttingunit.
Note:Putanidentifyingmarkonthisbladeto
makesubsequentadjustmentseasier.
5.Insertthe0.05mm(0.002inch)shimbetween
themarkedreelbladeandthebedknifeatthe
pointwherethebladecrossesthebedknife.
6.Turntherightbedbaradjusterclockwiseuntil
youfeellightpressure/dragontheshim,then
backoffthebedbaradjuster2clicksandremove
theshim.
Note:Adjusting1sideofthecuttingunitaffects
theotherside;the2clickswillprovideclearance
forwhenyouadjusttheotherside.
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(1clickinandshimnot
passingthrough)turnthebedbaradjusters
clockwise2clickseach.
Note:Eachclickturnedmovesthebedknife
0.018mm(0.0007inch).Donotovertighten
theadjustingscrews.
12.T estthecuttingperformancebyinsertingalong
stripofTorocuttingperformancepaperbetween
thereelandthebedknife,perpendiculartothe
bedknife(Figure10).Slowlyrotatethereel
forward;itshouldcutthepaper.
g027166
Figure10
Note:Ifexcessivereeldragoccurs,either
backlaporgrindthecuttingunittoachievethe
sharpedgesneededforprecisioncutting.
AdjustingtheRearRoller
1.Adjusttherearrollerbrackets(Figure11)to
thedesiredheight-of-cutrangebypositioning
therequiredamountofspacersbelowthe
side-platemountingange(Figure11)perthe
Height-of-CutChart(page12).
g003324
Figure11
1.Spacer3.Side-platemountingange
2.Rollerbracket
2.Raisetherearofthecuttingunitandplacea
blockunderthebedknife.
9

3.Removethe2nutssecuringeachrollerbracket
andthespacertoeachside-platemounting
ange.
4.Lowertherollerandthescrewsfromside-plate
mountingangesandspacers.
5.Placethespacersontothescrewsontheroller
brackets.
6.Securetherollerbracketandspacerstothe
undersideoftheside-platemountinganges
withthenutspreviouslyremoved.
7.Verifythatthebedknife-to-reelcontactiscorrect.
Tipthemowertoexposethefrontandrear
rollersandthebedknife.
Note:Thepositionoftherearrollertothereel
iscontrolledbythemachiningtolerancesof
theassembledcomponentsandparallelingis
notrequired.Alimitedamountofadjustmentis
possiblebysettingthecuttingunitonasurface
plateandlooseningtheside-platemounting
bolts(Figure12).
g027270
Figure12
1.Side-platemountingbolts
8.Adjustandtightentheboltsandtorquethemto
37to45N-m(27to33ft-lb).
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(Figure13).
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
Figure13
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
(Figure13).
10

ChainLinks
Thelocationatwhichthelift-armchainisattached
determinesthepitchangleoftherearroller(Figure
14).
g027264
Figure14
1.Bottomhole3.Liftchain
2.U-backet
Groomer
Thesearetherecommendedheight-of-cutsettings
whenagroomerkitisinstalledonthecuttingunit.
11

Height-of-CutChart
HOCSettingAggressivenessofCutNo.ofRearSpacersNo.ofChainLinksWithGroomerkits
installed**
0.64cm(0.250inch)Less
Normal
More
0
0
1
3+
3+
3
Y
Y
-
0.95cm(0.375inch)Less
Normal
More
0
1
2
4
3
3
Y
Y
-
1.27cm(0.500inch)Less
Normal
More
0
1
2
4
3+
3
Y
Y
Y
1.56cm(0.625inch)Less
Normal
More
1
2
3
4
3
3
Y
Y
-
1.91cm(0.750inch)Less
Normal
More
2
3
4
3+
3
3
Y
Y
-
2.22cm(0.875inch)Less
Normal
More
2
3
4
4
3
3
Y
Y
-
2.54cm(1.000inch)Less
Normal
More
3
4
5
3+
3
3
Y
Y
-
2.86cm(1.125inches)*Less
Normal
More
4
5
6
4
3
3
-
-
-
3.18cm(1.250inches)*Less
Normal
More
4
5
6
4
3
3
-
-
-
3.49cm(1.375inches)*Less
Normal
More
4
5
6
4
3
3
-
-
-
3.81cm(1.500inches)*Less
Normal
More
5
6
7
3+
3
3
-
-
-
+IndicatesthattheU-bracket,onliftarm,ispositionedinthebottomhole(Figure14).
*HighHOCKit(Part137-0890)mustbeinstalled.FrontHOCbracketmustbepositionedinthetopside-platehole.
**YindicatesthatthiscombinationofHOCandspacerscanbeusedwithgroomers.
Note:Changing1chainlinkchangesthepitch-anglemovementoftherearrollerby7.0degrees.
Note:ChangingtheU-bracketontheliftarmtothebottomholeadds3.5degreestothepitchangleofthe
rearroller.
12

AdjustingtheHeightofCut
Note:Forheightsofcutgreaterthan2.5cm(1inch)
installtheHighHeight-of-CutKit.
1.Loosenthelocknutssecuringtheheight-of-cut
bracketstothecutting-unitsideplates(Figure
15).
g027265
Figure15
1.Adjustingscrew3.Height-of-cutbracket
2.Locknut
2.Loosenthenutonthegaugebar(Figure16)
andsettheadjustingscrewtothedesiredheight
ofcut.
g003327
Figure16
1.Gaugebar4.Holesusedforsettingthe
heightofgroom(HOG)
2.Heightadjustingscrew5.Holenotused
3.Nut
3.Measurethedistancebetweenthebottomofthe
screwheadandthefaceofthebartodetermine
theheightofcut.
4.Hookthescrewheadonthecuttingedgeofthe
bedknifeandresttherearendofthebaronthe
rearroller(Figure17).
5.Rotatetheadjustingscrewuntilthefrontroller
contactsthegaugebar(Figure17).Adjustboth
endsoftherolleruntiltheentirerollerisparallel
tothebedknife.
g027266
Figure17
Important:Whensetproperly,therearand
frontrollerscontactthegaugebarandthe
screwissnugagainstthebedknife.This
ensuresthattheheightofcutisidenticalat
bothendsofthebedknife.
6.Tightenthenutstosecuretheadjustment.
Note:Donotovertightenthenuts.Tightenthem
enoughtoremoveanyplayfromthewashers.
13

Usethefollowingcharttodeterminewhich
bedknifeisbestsuitedforthedesiredheightof
cut.
Bedknife/HeightofCutChart
BedknifePartNo.BedknifeLipHeightHeightofCut
LowHOC(Optional)121-3167(18inch)
110-4084(22inch)
5.6mm
(0.220inch)
6.4to12.7mm
(0.250to0.500inch)
EdgeMax®LowHOC
(Model03485)
(Model03487)
137-0830(18inch)
137-0832(22inch)
5.6mm
(0.220inch)
6.4to-12.7mm
(0.250to0.500inch)
ExtendedLowHOC
(Optional)
120-1640(22inch)5.6mm
(0.220inch)
6.4to12.7mm
(0.250to0.500inch)
ExtendedEdgeMax®Low
HOC(Optional)
119-4280(22inch)5.6mm
(0.220inch)
6.4to12.7mm
(0.250to0.500inch)
EdgeMax®
(Model03484)
(Model03486)
137-0831(18inch)
137-0833(22inch)
6.9mm
(0.270inch)
9.5to38.1mm
(0.375to1.50inches)*
Standard(Optional)121-3166(18inch)
108-9096(22inch)
6.9mm
(0.270inch)
9.5to38.1mm
(0.375to1.50inches)*
HeavyDuty(Optional)110-4074(22inch)9.3mm
(0.370inch)
12.7to38.1mm
(0.500to1.50inches)
*Warm-seasongrassesmayrequiretheLow
HOCbedknifefor12.7mm(0.500inch)and
below.
g006510
Figure18
1.Bedknifelipheight
AdjustingtheTurf-Compensation
Settings
Theturf-compensationspringtransferstheweight
fromthefronttotherearroller.Thishelpstoreduce
awavepatternintheturf,alsoknownasmarcelling
orbobbing.
Important:Makethespringadjustmentswiththe
cuttingunitmountedtothetractionunit,pointing
straightaheadandloweredtotheshopoor.
1.Makesurethatthehairpincotterisinstalledin
therearholeinthespringrod(Figure19).
g027263
Figure19
1.Turf-compensationspring3.Springrod
2.Hairpincotter4.Hexnuts
2.Tightenthehexnutsonthefrontendofthe
springroduntilthecompressedlengthofthe
springis12.7cm(5inches);refertoFigure19.
Note:Whenoperatingthemachineonrough
terrain,decreasethespringlengthby12.7mm
(1/2inch).
Note:Theturf-compensationsettingwill
needtoberesetiftheHOCsettingorthe
aggressiveness-of-cutsettingischanged.
14

CheckingandAdjustingthe
CuttingUnit
Thedualknobbedknife-to-reeladjustmentsystem
incorporatedinthiscuttingunitsimpliesthe
adjustmentprocedureneededtodeliveroptimum
mowingperformance.Thepreciseadjustment
possiblewiththedualknob/bedbardesigngives
thenecessarycontroltoprovideacontinual
self-sharpeningaction-thusmaintainingsharpcutting
edges,ensuringgoodqualityofcut,andgreatly
reducingtheneedforroutinebacklapping.
Priortomowingeachday,orasrequired,checkeach
cuttingunittoverifyproperbedknife-to-reelcontact.
Thismustbeperformedeventhoughthequality
ofcutisacceptable.
1.Slowlyrotatethereelinareversedirection,
listeningforreel-to-bedknifecontact.
Note:Theadjustmentknobshavedetents
correspondingto0.018mm(0.0007inch)
bedknifemovementforeachindexedposition.
RefertoAdjustingtheBedknifetotheReel
(page8).
2.T estthecuttingperformancebyinsertinga
longstripofcuttingperformancepaper(T oro
Part125-5610)betweenreelandbedknife,
perpendiculartothebedknife(Figure20).Slowly
rotatethereelforward;itshouldcutthepaper.
g027166
Figure20
Note:Ifexcessivecontact/reeldragisevident
itwillbeeithernecessarytobacklap,refacethe
frontofthebedknife,orgrindthecuttingunitto
achievethesharpedgesneededforprecision
cutting(RefertotheToroManualforSharpening
ReelandRotaryMowers,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(Figure21),asitisonlydesignedtolast
40%ofthebedknifelife.
g031270
Figure21
1.Lead-inchamferonright
endofbedknife
3.1.5mm(0.060inch)
2.6mm(0.25inch)
Note:Donotmakethelead-inchamfertoo
large,asitmaycauseturftufting.
15

Maintenance
LubricatingtheMachine
Regularlylubricatethe5greasettingsofeachcutting
unit(Figure22)withNo.2lithiumgrease.
Thereare2lubricationpointsonthefrontroller,2on
therearroller,and1atthereel-motorspline.
Note:Lubricatingthecuttingunitsimmediately
afterwashinghelpspurgewateroutofthe
bearingsandincreasesbearinglife.
1.Wipeeachgreasettingwithacleanrag.
2.Applygreaseuntilcleangreasecomesoutof
therollersealsandthebearingreliefvalve.
3.Wipeanyexcessgreaseaway.
g027267
Figure22
Greasettingsonthereel-motorside
Relief-GrindingtheReel
Thereelhasalandwidthof1.3to1.5mm(0.050to
0.060inch)anda30-degreereliefgrind.
Whenthelandwidthgetslargerthan3mm(0.120
inch)wide,dothefollowing:
1.Applya30degreereliefgrindonallreelblades
untilthelandwidthis1.3mm(0.050inch)wide
(Figure23andFigure24).
g028800
Figure23
Models03485and03487
1.30degrees2.1.3mm(0.050inch)
g028838
Figure24
Models03486and03488
1.1.3mm(0.050inch)2.30degrees
2.Spingrindthereeltoachieve<0.025mm(0.001
inch)reelrun-out.
Note:Thiscausesthelandwidthtogrow
slightly.
Note:Toextendthelongevityofthesharpnessofthe
edgeofthereelandthebedknife—aftergrindingthe
reeland/orthebedknife—checkthereel-to-bedknife
contactagainaftercutting2fairways,asany
burrswillberemoved,whichmaycreateimproper
reel-to-bedknifeclearanceandthusacceleratewear.
16

ServicingtheBedknife
Thebedknifeservicelimitsarelistedinthefollowingchart.
Important:Operatingthecuttingunitwiththebedknifebelowtheservicelimitmayresultinpoor
after-cutappearanceandreducethestructuralintegrityofthebedknifeforimpacts.
BedknifeServiceLimitChart
BedknifePartNo.BedknifeLipHeight*ServiceLimit*GrindAngles
Top/FrontAngles
LowHOC(Optional)121-3167(18inch)
110-4084(22inch)
5.6mm
(0.220inch)
4.8mm
(0.190inch)10/5degrees
EdgeMax®LowHOC
(Model03485)
(Model03487)
137-0830(18inch)
137-0832(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)
137-0831(18inch)
137-0833(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(Figure25)
g027268
Figure25
1.Bedknifeservicelimit*
2.Topgrindangle
3.Frontgrindangle
Note:Allbedknifeservicelimitmeasurements
referencethebottomofthebedknife(Figure26)
g007165
Figure26
CheckingtheTopGrindAngle
Theanglethatyouusetogrindyourbedknivesis
veryimportant.
Usetheangleindicator(T oroPartNo.131-6828)and
theangle-indicatormount(ToroPartNo.131-6829)to
checktheanglethatyourgrinderproducesandthen
correctforanygrinderinaccuracy.
1.Placetheangleindicatoronthebottomsideof
thebedknifeasshowninFigure27.
17

g034113
Figure27
1.Bedknife(vertical)2.Angleindicator
2.PresstheAltZerobuttonontheangleindicator.
3.Placetheangle-indicatormountontheedgeof
thebedknifesothattheedgeofthemagnetis
matedwiththeedgeofthebedknife(Figure28).
Note:Thedigitaldisplayshouldbevisiblefrom
thesamesideduringthisstepasitwasinstep1.
g034114
Figure28
1.Angle-indicatormount3.Bedknife
2.Edgeofthemagnetmated
withtheedgeofthe
bedknife
4.Angleindicator
4.Placetheangleindicatoronthemountasshown
inFigure28.
Note:Thisistheanglethatyourgrinder
produces,andshouldbewithin2degreesofthe
recommendedtopgrindangle.
ServicingtheBedbar
RemovingtheBedbar
1.Turnthebedbar-adjustingscrews
counterclockwisetobackthebedknife
awayfromthereel(Figure29).
g027175
Figure29
1.Bedbar-adjustingscrew3.Washer
2.Bedbar4.Spring-tensionnut
2.Backoutthespring-tensionnutuntilthewasher
isnolongertensionedagainstthebedbar
(Figure29).
3.Oneachsideofthemachine,loosenthelocknut
securingthebedbarbolt(Figure30).
g003334
Figure30
1.Bedbarbolt2.Locknut
4.Removeeachbedbarboltallowingthebedbar
tobepulleddownwardandremovedfromthe
machinebolt(Figure30).
Note:Accountfor2nylonwashersand1
stampedsteelwasheroneachendofthebedbar
(Figure31).
18

g027176
Figure31
1.Bedbarbolt3.Steelwasher
2.Nut4.Nylonwasher
AssemblingtheBedbar
1.Installthebedbar,positioningthemountingears
betweenthewasherandthebedbaradjuster.
2.Securethebedbartoeachsideplatewiththe
bedbarbolts(nutsonbolts)andthe6washers.
Note:Positionanylonwasheroneachside
oftheside-plateboss.Placeasteelwasher
outsideeachofthenylonwashers(Figure31).
3.T orquethebedbarboltsto37to45N∙m(27to
33ft-lb).
Note:Tightenthelocknutsuntiltheoutside
steelwasherstopsrotatingandtheendplay
isremoved,butdonotovertightenordeect
thesideplates.Thewashersontheinsidemay
haveagap.
4.Tightenthespring-tensionnutuntilthespringis
collapsed,thenbackitoff1/2turn(Figure32).
g006505
Figure32
1.Spring-tensionnut2.Spring
ServicingtheHDDualPoint
Adjusters(DPA)
1.Removeallparts;refertoInstallationInstructions
forHDDPAKitModel120-7230andtoFigure
33.
2.Applyanti-seizecompoundtotheinsideofthe
bushingareaonthecentercuttingunitframe
(Figure33).
3.Alignthekeysontheangebushingstotheslots
intheframeandinstallthebushings(Figure33).
4.Installawavewasherontotheadjustershaftand
slidetheadjustershaftintotheangebushings
intheframeofthecuttingunit(Figure33).
5.Securetheadjustershaftwithaatwasherand
alocknut(Figure33).Torquethelocknutto20
to27N∙m(15to20ft-lb).
Note:Thebedbar-adjustershafthasleft-hand
threads.
6.Applyanti-seizecompoundtothethreadsofthe
bedbar-adjusterscrewthattsintotheadjuster
shaft.Threadthebedbar-adjusterscrewintothe
adjustershaft.
7.Looselyinstallthehardenedwasher,spring,and
springtensionnutontotheadjusterscrew.
8.Installthebedbar,positioningthemountingears
betweenthewasherandthebedbaradjuster.
9.Securethebedbartoeachsideplatewiththe
bedbarbolts(nutsonbolts)and6washersas
follows:
A.Positionanylonwasheroneachsideofthe
side-plateboss.
B.Placeasteelwasheroutsideeachofthe
nylonwashers(Figure33).
C.T orquethebedbarboltsto37to45N∙m
(27to33ft-lb).
D.Tightenthelocknutsuntiltheoutsidesteel
washerstopsrotatingandendplayis
removed,butdonotovertightenordeect
thesideplates.
Note:Thewashersontheinsidemayhavea
gap(Figure31).
10.Tightenthenutoneachbedbaradjuster
assemblyuntilthecompressionspringisfully
compressed,thenloosenthenut1/2turn(Figure
32).
11.Repeattheprocedureontheotherendofthe
cuttingunit.
12.Adjustthebedknifetothereel.
19

g016355
Figure33
1.Shaftadjuster4.Applyanti-seizecompound
here.
7.Applyanti-seizecompound
here.
10.Compressionspring
2.Wavewasher5.Flatwasher8.Bedbar-adjusterscrew11.Spring-tensionnut
3.Flangebushing6.Locknut9.Hardenedwasher
20