Toro 09930, 09931, 09932, 09933, 09934 Operator's Manual

FormNo.3368-805RevC

ProCoreSR48,SR54,SR54–S,
SR70,SR70–S,SR72andSR75
Aerators

ModelNo.09930—SerialNo.311000001andUp

ModelNo.09931—SerialNo.311000001andUp

ModelNo.09932—SerialNo.311000001andUp

ModelNo.09933—SerialNo.311000001andUp

ModelNo.09934—SerialNo.311000001andUp

ModelNo.09935—SerialNo.311000001andUp

ModelNo.09936—SerialNo.311000001andUp

ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

Introduction

Readthisinformationcarefullytolearnhowtooperate
andmaintainyourproductproperlyandtoavoidinjury
andproductdamage.Youareresponsibleforoperating
theproductproperlyandsafely.

YoumaycontactTorodirectlyatwww .Toro.comfor
productandaccessoryinformation,helpndingadealer,
ortoregisteryourproduct.

Wheneveryouneedservice,genuineToroparts,
oradditionalinformation,contactanAuthorized
ServiceDealerorToroCustomerServiceandhave
themodelandserialnumbersofyourproductready .
Figure1identiesthelocationofthemodelandserial
numbersontheproduct.Writethenumbersinthe
spaceprovided.

Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjury
ordeathifyoudonotfollowtherecommended
precautions.

Figure2

1.Safetyalertsymbol

Thismanualuses2otherwordstohighlightinformation.
Importantcallsattentiontospecialmechanical
informationandNoteemphasizesgeneralinformation
worthyofspecialattention.

1.Modelandserialnumberlocation

ModelNo.

SerialNo.

©2011—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420

Figure1

Contactusatwww.Toro.com.

2

PrintedintheUSA.

AllRightsReserved

Contents

Introduction.................................................................2

Safety...........................................................................4

SafeOperatingPractices.......................................4

SafetyandInstructionalDecals.............................6

Setup...........................................................................8

1RemovingtheAeratorfromtheCrating..............9

2ConnectingtheLowerLinkArms......................9

3ConnectingtheHydraulicTopLink

(ModelsSR48,SR54,SR70,SR72and

SR75).............................................................10

4ConnectingtheTractorUpperLink(Models

SR54–SandSR70–S)......................................12

5VerifyingtheHydraulicTopLinkSet

Up..................................................................12

6CheckingthePTOAngle.................................13

7FittingthePTOshaft.......................................14

8InstallingthePTOShield.................................15

9ConnectingthePTOShaft...............................16

10AdjustingtheSwayLinks................................17

11LevelingtheAeratorSide-to-Side...................18

12InstallingtheTines.........................................18

13SettingtheTineDepth(ModelsSR54–S

andSR70–S)...................................................18

14InstallingtheRearGuard................................19

15InstallingtheLatchLock................................20

16RemovingtheStorageStands(ModelsSR54

andSR70)......................................................20

17RemovingtheStorageStands(ModelsSR48

andSR72).......................................................21

ProductOverview......................................................22

Specications.....................................................22

Attachments/Accessories...................................22

Operation...................................................................23

TractorControls.................................................23

PrinciplesofOperation......................................23

TractorPTOSpeed............................................23

TrainingPeriod...................................................23

BeforeAerating..................................................23

AeratingProcedures...........................................24

OperatingTips...................................................24

SubsoilCultivation.............................................25

HardGround.....................................................25

Longer/LargerTines..........................................25

MultiRowAdapterHeads..................................25

RootZoneLifting..............................................25

UsingtheHoodPropRodsModelSR75

only................................................................25

AdjustingtheTineAngle....................................26

AdjustingtheTineDepth(ModelsSR54–S

andSR70–S)...................................................27

TransportOperation..........................................27

InspectionandCleanupafterUse........................28

Maintenance...............................................................29

RecommendedMaintenanceSchedule(s)................29

LiftingtheMachine............................................29

GreasingtheBearings.........................................30

CheckingtheGearboxOil..................................30

ChangingtheGearboxOil..................................31

Inspecting/AdjustingtheDriveChain................31

AdjustingthePTOClutch..................................32

FastenerTorqueSpecications............................32

CheckingtheSprings..........................................33

AdjustingtheHoleSpacing.................................33

RemovingtheAeratorfromtheTractor...............33

TroubleShooting...............................................34

Storage.......................................................................35

3

Safety

Improperuseormaintenancebytheoperatoror
ownercanresultininjury.Toreducethepotential
forinjury,complywiththesesafetyinstructions
andalwayspayattentiontothesafetyalert
symbol,whichmeansCAUTION,WARNING,or
DANGER-"personalsafetyinstruction."Failureto
complywiththeinstructionmayresultinpersonal
injuryordeath.

SafeOperatingPractices

BeforeOperating

•OwnersofthisAeratormustgiveoperatorsand
employeesfulloperationandsafetyinstructions
beforeallowingthemtooperatethismachineandat
leastannuallythereafter.Anoperatorwhohasnot
readandfullyunderstoodalloperatingandsafety
instructionsisnotqualiedtooperatethismachine.
Becomefamiliarwithallcontrolsandknowhowto
stopquickly.

•Donotallowchildrentooperatethemachine.Do
notallowadultstooperatethemachinewithout
properinstruction.

•Removealldebrisorotherobjectsthatmight
interferewithoperation.Keepallbystandersaway
fromtheworkarea.

•Locateandmarkallundergroundobstructionssuch
asirrigationcomponents,electricalortelephone
lines.

•Makesuretractorisinneutralandparkingbrake
appliedbeforestarting.RefertoTractorOperator's
Manualforsafestartingprocedures.

•Ensurethatyourtractorissuitableforusewithan
implementofthisweightbycheckingwithyour
tractorsupplierormanufacturer.

•Mountingtheaeratortotherearofthetractorwill
decreasetheweightonthetractorfrontaxle.To
assureadequatesteeringcontrolandstabilityitmay
benecessarytoaddballasttothefrontofthetractor.
RefertoTractorOperator'sManualforballast
requirements.

•Keepallshieldsandsafetydevicesinplace.Ifa
shield,safetydeviceordecalisdamaged,repairor
replaceitbeforeoperationiscommenced.Also
tightenanyloosenuts,boltsandscrewstoensure
machineisinsafeoperatingcondition.

•Donotoperatemachinewhilewearingsandals,
tennisshoes,sneakersorshorts.Also,donotwear
loosettingclothingwhichcouldgetcaughtin

movingparts.Alwayswearlongpantsandsubstantial
shoes.W earingsafetyglasses,safetyshoes,hearing
protectionandahelmetisadvisableandmaybe
requiredbysomelocalordinancesandinsurance
regulations.

WhileOperating

•Neveroperatethetractorinreversewhentheaerator
islowered.

•Keepallbystandersandpetsawayfromthework
area.

•Usingthemachinedemandsattention,andto
preventlossofcontrol:

–Useonlyindaylightorwhenthereisadequate

articiallight.
–Watchforholesorotherhiddenhazards.
–Donotoperatethemachineclosetoasandtrap,

ditch,creekorotherhazard.
–Reducespeedonsidehillsandbeforemaking

sharpturnstopreventtippingorlossofcontrol.
–Lookbehindtheaeratorbeforebackingup.

•Ifthetinesstrikeasolidobjectorthemachine
vibratesabnormally,disengagethePTO ,setthe
parkingbrakeandshuttheengineoff.Removekey
fromignitionswitch.Checkaeratorandtractionunit
fordamage.Repairanydamagebeforerestartingthe
engineandoperatingthetines.Besuretinesarein
goodconditionandallboltsaretight.

•Beforeleavingmachineunattended,disengagepower
toaerator,loweraeratorontostoragestandsandset
parkingbrake.Stopengine.

•Neverdismountwhiletractorisinmotion.Never
getonorofftractorwhileengineisrunningand
PTOdriveshaftisengaged.NeverstepoverPTO
shafttoreachothersideofaerator-walkaround
themachine.

•Whenliftingtheaerator,disengagethePTOwhen
therollerisapproximately5inchesfromtheground.

•Donotoperatethismachinewithouttherolleron
theground.Neveroperatewiththemachinein

theraisedposition.

•Parktheaeratoronahard,levelsurface,installthe
aeratorstoragestandsbeforedisconnectingfrom
tractor.

•Ifitisnecessarytoprobebelowthesoilsurface,use
anonconductivematerialtopreventelectricalshock
incaseelectricalwiresarepresent.

•Alwayslowertheaeratortothegroundbefore
leavingthetractorunattended.Neverleavethe
aeratorintheraisedpositionwhenitisunattended.

4

Transporting

•Theaeratorisheavy.Whenattachedtoatractor
andintheraisedposition,itsweightwillaffect
stability,brakingandsteering.Exercisecautionwhen
transportingbetweenworkingareas.

•Alwaysmaintainpropertractortirepressure.

•Besureyouareincompliancewithallregulations
beforetransportingequipmentonthepublicroads
andhighways.Makesureallrequiredreectors
andlightsareinplaceandarecleanandvisibleby
overtakingandoncomingtrafc.

•Neverallowpassengerstorideonthemachine
duringtransport.

•Reducespeedonroughroadsandsurfaces

•Independentwheelbrakesshouldalwaysbelocked
togetherwhentransporting.

PTOShaft

•ForallPTOshaftsteelparts(tubes,bearings,joints
etc.)disassemblyorrepairs,itishighlyadvisable
tocontactyourlocalTorodistributor.Removalof
componentsforrepairsandreassemblymaydamage
somepartsifnotperformedwithspecialtoolsby
trainedtechnicians.

•ThePTOshaftmustnotbeusedwithouttheguards
supplied,withpartialprotectionorwithdamaged
guards.OnCEmachines,operationisprohibited
withoutthespecialanti-rotationchainscorrectly
installed,soastopermitthemaximumangleofthe
PTOshaftwithoutbreakingthechains.

•Besurethemachineisinsafeoperatingconditionby
keepingnuts,boltsandscrewstight.Checkthetine
mountingboltsdailytobesuretheyaretightened
tospecication.

•Donotcheckoradjustthechaintensionwhenthe
tractorengineisrunning.

•Besureallguardsarereplacedandthehoodis
securedshutaftermaintainingoradjustingthe
machine.

•Performonlythosemaintenanceinstructions
describedinthismanual.Ifmajorrepairsare
everneededorassistanceisdesired,contactan
AuthorizedToroDistributor.Toensureoptimum
performanceandsafety,alwayspurchasegenuine
Tororeplacementpartsandaccessoriestokeepthe
ToroallT oro.Neveruse"will-t"replacementparts
andaccessoriesmadebyothermanufacturers.Look
fortheTorologotoensuregenuineness.Using
unapprovedreplacementpartsandaccessoriescould
voidthewarrantyofTheToroCompany .

StorageSafety

•Storetheaeratoronthestoragestandspositionedon
armlevelsurface.

•Storetheaeratorawayfromareasofhumanactivity.

•Donotallowchildrentoplayonoraroundthe
storedmachine.

•Makesuretheaeratorispositionedonrmandsolid
groundsoitdoesnotsinkortipover.

•Frictionclutchesmaybecomehotduringuse.Do
nottouch.Toavoidtheriskofre,keepthearea
aroundtheclutchfreeofammablematerialand
avoidprolongedslippingoftheclutch.

Maintenance

•Beforemakingadjustmentsorperforming
maintenanceontheaerator,switchofftheengine,
stopthePTOandapplytheparkingbrakebefore
dismountingfromthetractor.Besuretheaeratoris
onthegroundorloweredontothesafetystands.

•Supportthemachinewiththeblocks,jacksoron
storagestandswhenworkingbeneathit.Never

relyonthetractor'shydraulicstosupportthe
machine.

•Placeallcontrolsinneutral,stoptheengine,apply
parkingbrakeandwaitforallmovingpartsto
stopbeforeservicing,maintaining,adjustingor
unblockingtheaerator.

5

SafetyandInstructionalDecals

Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaof
potentialdanger.Replaceanydecalthatisdamagedorlost.

117–7052

1.ReadtheOperator’sManual,donotoilthechaindrive.

100–3612

1.Entanglementhazard—stayawayfrommovingparts,keep
allguardsandshieldsinplace.

110-4668

1.Entanglementhazard,shaft—stayawayfrommovingparts.

2.PTOspeedandinputdirection.

3.Usecliptosecurelashcablewhennotinuse.Uselash
cabletosupportthepowertake-offwhenthemachineis
disconnectedfromtractor.

117–7051

92–1581

1.Crushinghazardofhandorfoot—keepbystandersasafe
distancefromthemachine.

92–1582

6

117–7050

1.Warning—readtheOperator'sManual.

2.Warning—removetheignitionkeyandreadtheinstructionsbeforeservicingorperformingmaintenance.

3.Warning—donotoperatethismachineunlessyouaretrained.

4.Entanglementhazard,belt—stayawayfrommovingparts,keepallguardsinplace.

5.Crushinghazardofhandorfoot—keepbystandersasafedistancefromthemachine.

6.Crushinghazardofhandandbody—supportmachineonstandwhennotinuse.

7.Fallinghazard—donotcarrypassengers.

120-0625

1.Pinchpoint,hand—keephandsaway.

7

Setup

LooseParts

Usethechartbelowtoverifythatallpartshavebeenshipped.

ProcedureDescription

1

2

3

4

5
6
7

Nopartsrequired

Hitchpin2

Lynchpin2

Hydraulictoplink1
Hydraulichose,3–1/2feet
Hydraulichose,2–1/2feet
Extensionbracket2
Rotationalbracket1
Hosequickcouplings2
Springloadedtoplink
Linkpin3
Lynchpin3

Nopartsrequired

Nopartsrequired

PTOshaft

Qty.

Use

–

1
1

1

–

–

1

Removetheaeratorfromthecrating

Connectlowerlinkarms(Hitchpinsand
lynchpinsareshippedinstalledonthe
SR54andSR54-SAerators)

ConnectHydraulicT opLink(Models
SR48,SR54,SR70,SR72andSR75)

ConnectUpperLink(ModelsSR54–S
andSR70–S)

Verifythetoplinksetup

CheckingthePTOangle

FittingthePTOshaft

8
9

10
11
12
13

14

15

16

PTOShield

Pin(suppliedwithPTOshaft)
Nut(suppliedwithPTOshaft)

Nopartsrequired

Level(notsupplied)

Tines

Nopartsrequired

Rearguard1
Screw,3/8x3–1/4inch
Flatwasher,.438x1.00inch12
Locknut4
Endcap2
Lockplate2
Tapbolt2
Retainingring2

Nopartsrequired

1

1
1

–

1

A/R

–

4

–

InstallthePTOShield

ConnectPTOShaft

AdjustingSwayLinks

LevelAeratorSide-to-Side

InstalltheTines

Setthetinedepth

Installtherearguard

Installthelatchlock

RemoveStorageStands

17

Nopartsrequired

8

–

RemoveStorageStands

MediaandAdditionalParts

Operator'sManual

PartsCatalog

SpringWires-SR48

SpringWires-SR48

SpringWires-SR54&SR54-S

SpringWires-SR70&SR70-S

SpringWires-SR72

SpringWires-SR72

SpringWires-SR75

SpringWires-SR75

Operatortrainingmaterials

PTOOperatorsManual

Description

Qty.

1

1

4Replacementspringwires

2Replacementspringwires

6Replacementspringwires

8Replacementspringwires

4Replacementspringwires

2Replacementspringwires

4Replacementspringwires

2Replacementspringwires

1

1

Readbeforeoperatingtheaerator

Usetoreferencepartnumbers

Viewbeforeoperatingtheaerator

Readbeforeoperatingtheaerator

Use

1

RemovingtheAeratorfrom
theCrating

NoPartsRequired

Procedure

1.Removetheaeratorfromthecrating.

2.Removetheboltssecuringtheaeratorstoragestands
totheshippingpalletandremovetheaeratorfrom
thepallet.

3.Removethestoragestandsfromtheaerator.Retain
themforstorageuse.

Note:TheSR54-SandtheSR70-Sdonothave
shippingstands.

4.Placetheaeratoronaat,levelsurfacewiththe
frontrolleronthegroundanda2x4positioned
undertheheads.

2

ConnectingtheLowerLink
Arms

Partsneededforthisprocedure:

2Hitchpin

2Lynchpin

Procedure

1.Backthetractorsquarelyuptotheaeratoruntil
thelowerlinkarmsarealignedwiththemounting
brackets.

Note:Theaeratorgearboxshaftshouldbeinline
withthetractorPTOshaft(centeredonthetractor).
Iftheyarenotinline,adjustthelowerlinkarms,
fromsidetosideuntiltheshaftsarealigned.

2.MakesurethePTOisdisengaged.

3.Engagetheparkingbrake,STOPtheengineand
removethekeyfromtheignition.Waitforthe
engineandallmovingpartstoSTOPbeforeleaving
theOperator'sseatonthetractor.

Note:Formaximumgroundclearance,thehitch
pinsshouldbesecuredintheaeratorlowermounting
bracketholes,whensoequipped.Todetermine

9

whentousetheuppermountingholes,referto
ConnectingthePTOShaft.

SR54andSR54-SAeratorsonly

Note:Thehitchpinsandlynchpinsareshipped
installedontheSR54andSR54-SAerators.

4.Securethelowerlinkarmstotheaeratormounting
pinswithlynchpins(

1.Aeratormountingpin3.Lynchpin

2.Lowerlink

Figure3).

Figure3

3

Connectingthe
HydraulicTopLink
(ModelsSR48,SR54,SR70,
SR72andSR75)

Partsneededforthisprocedure:

1Hydraulictoplink

1

Hydraulichose,3–1/2feet

1

Hydraulichose,2–1/2feet

2Extensionbracket

1Rotationalbracket

2Hosequickcouplings

Procedure

Note:Makesurethesuppliedcouplingsarecorrectfor

thetractor.Ifnot,itwillbenecessarytocontactthe
tractormanufacturertoobtainthecorrectcouplings.

SR48,SR70,SR70-S,SR72andSR75Aerators
only

5.Securethelowerlinkarmstotheaeratormounting
bracketswithhitchpinsandlynchpins(

Figure4

1.Hitchpin3.Lowerlink

2.Aeratormountingbracket4.Lynchpin

Figure4).

Thetractormustbeequippedwithadoubleactingspool
valvewithanoperatorcontrolleverandtwo1/2inch
(12.7mm)quick-releasecouplingsattherearofthe
tractor.Twoquickcouplingshavebeenprovidedtot
tothehydraulictoplinkhoses(1/2–14NPTFhoseend
threadsize).

Thissectionwillbeusedtoinstallthehosesand
determinetheneedfortheextensionorrotationblocks.
Thisinformationwillhelptodeterminethedepthrange
oftheaerator.

1.Securetheconnectinglinkendofthehydraulictop
linktothetractorwiththepinssuppliedwiththe
tractor(
therodendistowardtheaerator.Thecylinderports
shouldbepositionedtowardthetractor'sauxiliary
powerhydraulics.

Note:Ifthehydrauliccylindermustbepositioned
withtheportsfacingupward,usetherotationalblock
insteadofthestandardmountingblocktoreposition
thecylinder(
maybeusedinsteadoftherotationalblock(ttings
arenotsupplied).

Figure5).Positionthehydraulictoplinkso

Figure5).A90degreehydraulictting

Installtherotationalblockasfollows:

A.Removethecotterpinandpinsecuring

thestandardconnectinglinktothecylinder

10

(Figure5).Removetheconnectinglinkfromthe
cylinder.

B.Installtherotationalblocktothecylinderwith

thepinspreviouslyremoved(

Figure5

Figure5).

Important:Whensecuringtherodendof
thehydrauliclink,makesuretousethemost
forwardmountingholesinthemountingbracket
sothereisenoughclearanceforthebarrelofthe
cylinderwhenretracted.

1.Aeratorhitchpin7.Tractorlinkpin

2.Hydraulictoplink

3.Rotationalblock

4.Connectinglink10.3–1/2foothydraulichose

5.3inchextensionblock11.Hosequickcouplings

6.5inchextensionblock12.Tractorhydraulicports

8.Clevis&lynchpin

9.2–1/2foothydraulichose

2.Connectthe3–1/2footlonghydraulichosetothe
hydraulictoplinkportwhichisclosesttotheaerator
Figure5.ApplyTeontapeorpipethreadsealantto
thehosethreadstopreventanyleaks.

3.Connectthe2–1/2footlonghydraulichosetothe
hydraulictoplinkportwhichisclosesttothetractor

Figure5).ApplyTeontapeorpipethreadsealant

(
tothehosethreadstopreventanyleaks.

4.Installquickcouplingstothehydraulichoses
(1/2–14NPTFhoseendthreadsize).ApplyTeon
tapeorpipethreadsealanttothehosethreadsto
preventanyleaks.

5.Connectthetwohydraulichosequickcouplingsto
theportsprovidedonthetractor.

6.Startthetractorengineandoperatethetractorspool
valvetochecktheextendandretractmotionofthe
hydraulictoplink.

Note:Reversethehoseconnections,atthetractor,
iftheydonoagreewiththetractorcontroloperation.

Figure6

SR54andSR70mountingshown

1.Rodendofcylinder

2.Lynchpin

SR48andSR72mountingshown

1.Lynchpin3.Linkpin

2.Aeratorbracket

3.Linkpin

4.Aeratorbracket(forward

Figure7

4.Rodendofcylinder

holes)

7.Securetherodendofhydraulictoplinktothemost
forwardholepossibleintheaeratorbracketwithlink
pinandlynchpin(

Figure6,Figure7orFigure8).

11