FormNo.3379-373RevA
21inWalk-BehindAerator
ModelNo.23515—SerialNo.313000001andUp
ModelNo.33515—SerialNo.313000001andUp
g017576
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3379-373*A
WARNING
CALIFORNIA
Proposition65Warning
Thisproductcontainsachemicalorchemicals
knowntotheStateofCaliforniatocausecancer,
birthdefects,orreproductiveharm.
Theengineexhaustfromthisproduct
containschemicalsknowntotheStateof
Californiatocausecancer,birthdefects,
orotherreproductiveharm.
ThissparkignitionsystemcomplieswithCanadianICES-002.
Important:Thisengineisnotequippedwithaspark
arrestermufer.ItisaviolationofCaliforniaPublic
ResourceCodeSection4442touseoroperatetheengine
onanyforest-covered,brush-covered,orgrass-covered
land.Otherstatesorfederalareasmayhavesimilarlaws.
Introduction
Thisaerator,whichiscontrolledbyawalkingoperator,
isintendedtobeusedbytrainedoperatorsinresidential
andcommercialapplications.Itisprimarilydesignedfor
aeratingsmalltomid-sizedareasofwell-maintainedlawnson
residentialgrounds,parks,sportselds,andoncommercial
grounds.
Readthisinformationcarefullytolearnhowtooperateand
maintainyourproductproperlyandtoavoidinjuryand
productdamage.Youareresponsibleforoperatingthe
productproperlyandsafely.
YoumaycontactTorodirectlyatwww .Toro.comforproduct
andaccessoryinformation,helpndingadealer,ortoregister
yourproduct.
Wheneveryouneedservice,genuineToroparts,oradditional
information,contactanAuthorizedServiceDealerorToro
CustomerServiceandhavethemodelandserialnumbersof
yourproductready.
Figure1illustratesthelocationofthe
modelandserialnumbersontheproduct.Writethenumbers
inthespaceprovided.
g017577
1
Figure1
1.Locationofthemodelandserialnumbers
ModelNo.
SerialNo.
Thismanualidentiespotentialhazardsandhassafety
messagesidentiedbythesafetyalertsymbol(Figure2),
whichsignalsahazardthatmaycauseseriousinjuryordeath
ifyoudonotfollowtherecommendedprecautions.
Figure2
1.Safetyalertsymbol
Thismanualuses2wordstohighlightinformation.
Importantcallsattentiontospecialmechanicalinformation
andNoteemphasizesgeneralinformationworthyofspecial
attention.
©2013—TheToro®Company
8111LyndaleAvenueSouth
Bloomington,MN55420
2
Contactusatwww.Toro.com.
PrintedintheUSA
AllRightsReserved
Contents
Introduction..................................................................2
Safety...........................................................................4
SafeOperatingPractices...........................................4
SlopeIndicator.......................................................6
SafetyandInstructionalDecals.................................7
Setup............................................................................9
UnfoldingtheHandle..............................................9
CheckingtheOilLevel.............................................9
ProductOverview..........................................................9
Controls................................................................9
Specications........................................................10
Attachments/Accessories........................................10
Operation....................................................................10
AdjustingtheHandle..............................................10
CheckingtheEngineOilLevel.................................11
FillingtheFuelTankwithGasoline...........................12
StartingtheEngine.................................................12
StoppingtheEngine...............................................13
DrivingtheMachine...............................................13
Aerating................................................................14
AddingWeight.......................................................14
AdjustingtheCoringDepth.....................................14
AdjustingtheTineGroundEngagement
Lever................................................................15
SecuringtheMachineforTransport..........................16
OperatingTips......................................................16
Maintenance.................................................................17
RecommendedMaintenanceSchedule(s)......................17
PremaintenanceProcedures........................................18
AccessingtheTines................................................18
TippingtheMachine...............................................18
Lubrication...............................................................19
GreasingtheCenterTines.......................................19
LubricatingtheDriveChains....................................19
EngineMaintenance..................................................20
ServicingtheAirCleaner.........................................20
ChangingtheEngineOil.........................................20
ChangingtheOilFilter............................................21
ServicingtheSparkPlug..........................................21
FuelSystemMaintenance...........................................22
ReplacingtheFuelFilter..........................................22
DriveSystemMaintenance.........................................23
CheckingtheTirePressure......................................23
CheckingtheTensionofAeratorDrive
Chains...............................................................23
BeltMaintenance......................................................24
CheckingtheHydrostaticDriveBelt.........................24
ControlsSystemMaintenance.....................................24
AdjustingtheMachineGroundSpeed.......................24
HydraulicSystemMaintenance....................................25
ChangingtheHydraulicTransmissionFluid................25
TineMaintenance......................................................27
Checking/ReplacingTines.......................................27
Storage........................................................................27
Troubleshooting...........................................................28
3
Safety
Improperuseormaintenancebytheoperatoror
ownercanresultininjury.Toreducethepotential
forinjury,complywiththesesafetyinstructionsand
alwayspayattentiontothesafetyalertsymbol,which
means
Caution
,
W ar ning
,or
Danger
—personalsafety
instruction.Failuretocomplywiththeinstructionmay
resultinpersonalinjuryordeath.
SafeOperatingPractices
ThefollowinginstructionsareadaptedfromtheANSI
B71.4—2004andB71.8—2004standard.
Training
•ReadtheOperator’sManualandothertrainingmaterial.If
theoperator(s)ormechanic(s)cannotreadEnglishitis
theowner’sresponsibilitytoexplainthismaterialtothem.
•Becomefamiliarwiththesafeoperationoftheequipment,
operatorcontrols,andsafetysigns.
•Alloperatorsandmechanicsshouldbetrained.The
ownerisresponsiblefortrainingtheusers.
•Neverletchildrenoruntrainedpeopleoperateorservice
theequipment.Localregulationsmayrestricttheageof
theoperator.
•Theowner/usercanpreventandisresponsiblefor
accidentsorinjuriesoccurringtohimselforherself,other
peopleorproperty.
Preparation
•Evaluatetheterraintodeterminewhataccessoriesand
attachmentsareneededtoproperlyandsafelyperform
thejob.Onlyuseaccessoriesandattachmentsapproved
bythemanufacturer.
•Wearappropriateclothingincludingsafetyglassesand
hearingprotection.Longhair,looseclothing,orjewelry
maygettangledinmovingparts.
•Inspecttheareawheretheequipmentistobeusedand
removeallobjectssuchasrocks,toys,andwirewhichcan
becontactedbytheaerator.
•Useextracarewhenhandlinggasolineandotherfuels.
Theyareammableandvaporsareexplosive.
–Useonlyanapprovedcontainer.
–Neverremovethegascaporaddfuelwiththeengine
running.
–Allowtheenginetocoolbeforerefueling.
–Donotsmoke.
–Neverrefuelordraintheaeratorindoors.
•Checkthatthecontrols,safetyswitches,andshieldsare
attachedandfunctioningproperly.Donotoperateunless
theyarefunctioningproperly.
Operation
•Neverrunanengineinanenclosedarea.
•Onlyoperateingoodlight,keepingawayfromholesand
hiddenhazards.
•Besurealldrivesareinneutralbeforestartingengine.
•Neveroperatewithouttheshields,covers,orotherguards
securelyinplace.Besureallinterlocksarefunctioning
properly.
•Donotchangetheenginegovernorsettingoroverspeed
theengine.
•Raisethetines,stopthemachine,andstoptheengine
beforeleavingtheoperator’spositionforanyreason.
•Stoptheequipmentandinspectthetinesafterstrikingan
objectorifanabnormalvibrationoccurs.Makenecessary
repairsbeforeresumingoperation.
•Keephandsandfeetawayfromthetinearea.
•Bealert,slowdown,andusecautionwhenmakingturns.
Lookbehindandtothesidebeforechangingdirections.
•Slowdownandusecautionwhencrossingroadsand
sidewalks.
•Donotoperatetheaeratorundertheinuenceofalcohol
ordrugs.
•Lightningcancausesevereinjuryordeath.Iflightning
isseenorthunderisheardinthearea,donotoperate
themachine;seekshelter.
•Useextremecarewhenloadingorunloadingtheaerator
intoatrailerortruck.
•Usecarewhenapproachingblindcorners,shrubs,trees,
orotherobjectsthatmayobscurevision.
•Alwaysbeawareofobstaclesthatmaybeintheareaof
operation.Planyouraerationpathtoavoidcontactwith
anyobstaclebyyouorthemachine.
SlopeOperation
•Donotmakesuddenturnsorrapidspeedchanges.
•Reducespeedanduseextremecautiononslopes.
•Removeormarkobstaclessuchasrocks,treelimbs,etc.
fromtheoperatingarea.Tallgrasscanhideobstacles.
MaintenanceandStorage
•Waitforallmovementtostopbeforeadjusting,cleaning,
orrepairing.Raisethetines,stopthemachine,stopthe
engine,anddisconnectthesparkplugwire.
•Cleangrassanddebrisfromthetines,drives,mufers,and
enginetohelppreventres.Cleanupoilorfuelspillage.
•Lettheenginecoolbeforestoringanddonotstorenear
ame.
•Shutoffthefuelwhilestoringortransportingontrailers.
Donotstorefuelnearamesordrainindoors.
4
•Parktheaeratoronlevel,hardground.Neverallow
untrainedpersonneltoserviceit.
•Usejackstandsorsafetylatchestosupportthemachine
whenworkingunderit.
•Removethesparkplugwirebeforemakinganyrepairs.
•Keephandsandfeetawayfrommovingparts.Ifpossible,
donotmakeadjustmentswiththeenginerunning.
•Keepallpartsingoodworkingconditionandallhardware
tightened.Replaceallwornordamageddecals.
•UseonlyToro-approvedattachments.Thewarranty
maybevoidedifthemachineisusedwithunapproved
attachments.
5
SlopeIndicator
G01 1841
Figure3
Thispagemaybecopiedforpersonaluse.
1.Themaximumslopeyoucansafelyoperatethemachineonis20degrees.Usetheslopecharttodeterminethedegreeofslope
ofhillsbeforeoperating.Donotoperatethismachineonaslopegreaterthan20degrees.Foldalongtheappropriateline
tomatchtherecommendedslope.
2.Alignthisedgewithaverticalsurface,atree,building,fencepole,etc.
3.Exampleofhowtocompareslopewithfoldededge.
6
SafetyandInstructionalDecals
Safetydecalsandinstructionsareeasilyvisibletotheoperatorandarelocatednearanyareaofpotential
danger.Replaceanydecalthatisdamagedorlost.
121-6150
1.Cuttinghazardofhandandfoot–stayawayfrommoving
parts.
121-6151
1.Choke–on3.Continuousvariable
setting
2.Throttle–fast
4.Throttle–slow
119-0217
1.Warning—stoptheengine;stayawayfrommovingparts;
keepallguardsandshieldsinplace.
117–2718
7
121-2008
1.Tostarttheengine,readtheOperator’s
Manual—(1)Parkthemachineona
levelsurface(2)Filltheenginewithoil
(3)Movethecontrolbarstoaneutral
position(4)Starttheengine.
2.Tractiondrive—movethetraction
controlleverforwardtomovethe
machineforward;movethetraction
controlleverbackwardtomovethe
machinebackward.
3.Rasing/Loweringthetines—pushthe
controlleverdowntolowerthetines;
pullthecontrolleveruptoraisethe
tines.
121-2009
1.Warning—readthe
Operator’sManual.
3.Thrownobject
hazard—stopthemachine
andpickupdebrisbefore
operating.
5.Thrownobject
hazard—keepbystanders
asafedistancefromthe
machine.
7.Warning—stoptheengine
andremovethesparkplug
wirebeforeperforming
anymaintenanceonthe
machine.
2.Warning—donotoperate
thismachineunlessyou
aretrained.
4.Warning—keephands
awayfrommovingparts,
keepallguardsandshields
inplace.
6.Warning—stoptheengine
beforeleavingthemachine.
126-1209
1.Readandunderstandtheoperator’s
manualbeforeservicingthismachine
4.Checktirepressure-13psi(2x)every
50hours
7.Checktransmissionbeltdrivetension
every25hours
2.Greasetineshaftbearings(2x)every
25hours
5.Cleanandoilchains(2x)every25
hours
8.Cleanandoilchainsandcheckchain
tension(2x)every8hours
3.Greasetineassemblyidlers(2x)every
25hours
6.Seeengineowner’smanualforservice
8
Setup
UnfoldingtheHandle
1.Raisethehandletotheoperatingposition.
g017578
Figure4
2.Slidetheovallockingringsdowneachsideofthe
upperhandleoverthelowerhandle,lockingthehandle
sectionstogether.
CheckingtheOilLevel
Beforeoperating,checktheengineoilleveltoensurethatit
hasenoughoil.RefertoCheckingtheEngineOilLevel(page
11),foroilspecicationsandinstructions.
ProductOverview
7
8
9
10
11
12
13
14
15
g017579
1
2
3
4
5
6
Figure5
1.Fuelshut-offvalve
9.Traction-controllever
2.Aircleaner10.Throttlelever
3.Spark-plugwire
11.Tine-controllever
4.Engine
12.Ovalhandlelockingring
5.Recoilstarter
13.Coringdepth,wheelstop
6.Fueltank
14.Tie-down/liftloops
7.Rearweights15.Tines
8.Handle
Controls
RecoilStarter
Pulltherecoilstarterhandletostartengine(Figure5).
FuelShut-offValve
Closethefuelshut-offvalvewhentransportingorstoring
themachine(Figure5).
ThrottleLever
Beforestartingacoldengine,movethethrottleleverforward
totheChokeposition.Aftertheenginestarts,pullthethrottle
leverbacktotheFastposition.
Note:Awarmenginerequireslittleornochoking.
Traction-ControlLever
Thetraction-controllevercontrolstheforward,reverse,and
neutralactionsofthemachine.Referto
DrivingtheMachine
(page13)formoreinformation.
9
Tine-ControlLever
Thetine-controlleverliftstherearwheels,causingtherear
ofthemachinetobesupportedontheaeratingtines.Push
thetinecontrolleverdowntoliftthewheelsanddropthe
tines.Pullituptolowerthewheelsandraisethetinesout
oftheground.
g013076
1
2
Figure6
1.Tine-controllever—raised
position
2.Tine-control
lever—loweredposition
Specications
Length(handleinlowest
position)
147cm(58inches)
Length(handleinmiddle
position)
150cm(59inches)
Length(handleinhighest
position)
155cm(61inches)
Length(withhandlestored)107cm(42inches)
Width
79cm(31inches)
Height(handleinlowest
position)
122cm(48inches)
Height(handleinmiddle
position)
127cm(50inches)
Height(handleinhighest
position)
132cm(52inches)
Height(withhandlestored)86cm(34inches)
Weight(asshippedwith1
weight)
140.6kg(310lb)
Attachments/Accessories
AselectionofToroapprovedattachmentsandaccessoriesis
availableforusewiththemachinetoenhanceandexpand
itscapabilities.ContactyourAuthorizedServiceDealeror
Distributororgotowww.Toro.comforalistofallapproved
attachmentsandaccessories.
Operation
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
AdjustingtheHandle
Theheightofthehandlecanbeadjustedforcomfortable
operation.Standbehindthehandletodeterminethe
appropriateheightsettings.
1.Toadjustthehandleheight,positionthehardware
intooneofthreesetsofholesoneachsideofthe
mainframeasshowninFigure7,Figure8,andFigure9.
Figure7
Fronthandleposition—Lowestheight
1.Trunnionbracket—bottom
hole
3.Mountingboltlocation
2.Liftlinkstraps4.Handlehardware—front
holes
10
Figure8
Middlehandleposition
1.Trunnionbracket—bottom
hole
3.Mountingboltlocation
2.Liftlinkstraps
4.Handlehardware—middle
holes
Figure9
Rearhandleposition—Highestheight
1.Trunnionbracket—top
hole
3.Mountingboltlocation
2.Liftlinkstraps
4.Handlehardware—rear
holes
2.Securethehandlewithbothmountingbolts.
3.Adjustthetinegroundengagementlever;referto
AdjustingtheTineGroundEngagementLever(page
15).
CheckingtheEngineOilLevel
ServiceInterval:Beforeeachuseordaily
Theenginecrankcasecanhold0.55liters(20ounces)of
oil.Useonlyhigh-qualitySAE10W-30weightdetergentoil
thathastheAmericanPetroleumInstitute(API)service
classicationSH,SJ,Slorhigher.
Note:Whenthecrankcaseisempty,pourabout3/4ofthe
crankcasecapacityofoilinthecrankcase,thenfollowthe
procedureinthissection.
1.Movethemachinetoalevelsurface.
2.Cleanaroundthedipstick(Figure10).
g017580
Figure10
3.Removethedipstickbyrotatingthecap
counterclockwiseandpullingitout.
4.Wipethedipstickcleanwithacleancloth.
5.Insertthedipstickintothellerneck,butdonot
rotatethecapclockwisetosecureit,thenremoveit.
6.Readtheoillevelonthedipstick.
7.Iftheoillevelreadingisbelowthelowerlimitmarkon
thedipstick,removethedipstickandslowlypouronly
enoughoilintothellerholetoraisetheoillevelto
theupperlimitmarkonthedipstick.
Important:Donotoverllthecrankcasewithoil
andruntheengine;enginedamagewillresult.
Draintheexcessoiluntiltheoillevelreachesthe
upperlimitmarkonthedipstick.
8.Insertthedipstickintothellerneckandrotatethecap
clockwiseuntilitistight.
11
FillingtheFuelTankwith
Gasoline
Fueltankcapacity:3.8l(1USGallon)
DANGER
Incertainconditions,gasolineisextremely
ammableandhighlyexplosive.Areorexplosion
fromgasolinecanburnyouandothersandcan
damageproperty.
•Fillthefueltankoutdoors,inanopenarea,and
whentheengineiscold.Wipeupanygasoline
thatspills.
•Donotllthefueltankcompletelyfull.Add
gasolinetothefueltankuntilthelevelis6to13
mm(1/4to1/2in)belowthebottomoftheller
neck.Thisemptyspaceinthetankallowsthe
gasolinetoexpand.
•Neversmokewhenhandlinggasoline,andstay
awayfromanopenameorwhereasparkmay
ignitethegasolinefumes.
•Storegasolineinanapprovedfuelcontainerand
keepitoutofthereachofchildren.
•Neverbuymorethana30-daysupplyof
gasoline.
DANGER
Whenfueling,undercertaincircumstances,astatic
chargecandevelop,ignitingthegasoline.Areor
explosionfromgasolinecanburnyouandothers
anddamageproperty.
•Alwaysplacegasolinecontainersontheground
andawayfromyourvehiclebeforelling.
•Donotllgasolinecontainersinsideavehicleor
onatruckortrailerbedbecauseinteriorcarpets
orplastictruckbedlinersmayinsulatethe
containerandslowthelossofanystaticcharge.
•Whenpractical,removegasoline-powered
equipmentfromthetruckortrailerandrefuel
theequipmentwithitswheelsontheround.
•Ifthisisnotpossible,thenrefuelsuch
equipmentonatruckortrailerfromaportable
container,notfromagasolinedispensernozzle.
•Ifyoumustuseagasolinedispensernozzle,
keepthenozzleincontactwiththerimofthe
fueltankorcontaineropeningatalltimesuntil
fuelingiscomplete.
•Forbestresults,useonlyclean,fresh,unleadedgasoline
withanoctaneratingof87orhigher((R+M)/2rating
method).
•Oxygenatedfuelwithupto10%ethanolor15%MTBE
byvolumeisacceptable.
•Donotuseethanolblendsofgasoline(suchasE15
orE85)withmorethan10%ethanolbyvolume.
Performanceproblemsand/orenginedamagemayresult
whichmaynotbecoveredunderwarranty.
•Donotusegasolinecontainingmethanol.
•Donotstorefueleitherinthefueltankorfuelcontainers
overthewinterunlessafuelstabilizerisused.
•Donotaddoiltogasoline.
Important:Donotusefueladditivesotherthanafuel
stabilizer/conditioner.Donotusefuelstabilizerswithan
alcoholbasesuchasethanol,methanol,orisopropanol.
1.Cleanaroundthefueltankcap(
Figure11).
g017581
1
Figure11
1.Fueltankcap
2.Removethecapfromthetank.
3.Fillthefueltankwithunleadedgasolinetowithin6to
13mm(1/4to1/2inch)fromthetopofthetank.Do
notllintothellerneck.
Important:Donotllthetankmorethan6mm
(1/4inch)fromthetopofthetankbecausethe
gasolinemusthaveroomtoexpand.
4.Installthefueltankcapandwipeupanyspilled
gasoline.
StartingtheEngine
1.Connectthewiretothesparkplug.
2.Openthefuelvalvebyturnitin-linewiththefuelhose
(Figure12).
12
1
2
g017588
Figure12
1.Fuellter2.Fuelvalve—offposition
3.Movethethrottlecontrolallthewayforwardtothe
Chokeposition(Figure12).
Note:Donotusethechokewhentheengineiswarm.
g016910
1
Figure13
1.Throttlecontrol
4.Pullthestarterhandlelightlyuntilyoufeelresistance,
thenpullitsharply.Allowtheropetoreturntothe
handleslowly.
5.Whentheenginestarts,movethethrottlecontrolto
theFastposition.
Note:Thethrottlesettinggovernsthemaximumdrive
speedoftheaerator.
StoppingtheEngine
1.Releasethetractioncontrolleverandallowittoreturn
toneutral.
2.Movethethrottleleverallthewayrearwardtostop
theengine.
DrivingtheMachine
•Tomoveforward,pressthecontrolleverforward(Figure
14).Thefurtherforwardyoupushit,thefasterthe
machinewilltravel.
•Tomoveinreverse,pullthecontrolleverrearward
(
Figure14).Thefurtherrearwardyoupullit,thefaster
themachinewilltravel.
WARNING
Theaeratortinesaresharpandcanpuncture
yourfeetorotherbodyparts.
Useextremecarewhenmovinginreverseso
thatyoudonotallowyourfeettogoclosetothe
tines.Watchforandavoidobstaclesyoucould
tripover.
•Toturnthemachine,moveslowlyandpressdownonthe
handles;turnthemachineinthedesireddirectionthen
resumenormaloperation.
•Tomakezeroturns,pulluponthetineground
engagementleverandraisethetines.
Important:Donotmakeazeroturnwhenthetines
aredown.Turningwiththetinesdownwillresult
inturftearing.
•Tostop,releasethecontrollever(Figure14).
13
g017583
Figure14
1.Forward3.Reverse
2.Neutral(Stop)
Note:Ifyourmachineismovingtooslowlyandnotproperly
aerating,seeAdjustingtheMachineGroundSpeed(page24)
Aerating
1.Drivethemachinetothedesiredlocationandstopit.
2.Pushthetinecontrolleverdownandforwardtoraise
therearwheelsandengagethetines.
g013076
1
2
Figure15
1.Tinecontrollever—disengaged
2.Tinecontrollever—engaged
3.Drivethemachinetoaeratethedesiredarea.
Note:Themachinewithaerateinbothforwardand
reverse.
4.Whennished,stopthemachineandpullthetine
controlleverrearwardanduptolowertherearwheels
andliftsthetinesoutoftheground.
Important:Donotdrivethemachineacross
pavementorotherhardsurfaceswithoutrst
raisingthetines.Crossinghardsurfaceswiththe
tinesloweredwilldamagethetines.
AddingWeight
Toensurethatthetinespenetratefullyintothesoil,youcan
addweighttothebackofthemachine.Themachinehas
threeweightpocketsthatholdtheweights(Figure16).When
placingweight,ensurethatyouhaveabalancedload;ifusing
onlyoneweight,placeitinthecenterpocketandifusingtwo,
placetheminthesidepockets.
g017584
Figure16
1.Weight
AdjustingtheCoringDepth
Acoringdepthof6.35cm(2-1/2inches)isrecommended,
butyoucanchangethedepthasfollows:
1.Raisethetines,stopthemachine,stoptheengine,and
disconnectthesparkplugwire.
2.Loosenthenutssecuringthewheelstopontheright
sideofthemachine(Figure17).
14
Figure17
1.Nuts2.Wheelstop
3.Raisethewheelstoptoincreasethecoringdepthand
lowerittoreducethedepthasrequired.
4.Tightenthenutssecurelytolockthewheelstopin
place.
5.Repeatsteps2through4forthewheelstopontheleft
sideofthemachine.Setthewheelstopstothesame
heightoneachside.
AdjustingtheTineGround
EngagementLever
1.Raisethetines,stopthemachine,stoptheengine,and
disconnectthesparkplugwire.
2.Thewheelarmandthepivotshaftassemblyshould
havesurface-to-surfacecontact(Figure18).Ifnot,
checkthedistanceofthelowerliftlinkageandadjust
ifnecessary.
Figure18
1.Pivotshaftassembly
3.Wheelarmassembly
2.12cm(4.8inches)
3.Thelowerballjointboltontheupperlinkrodshould
beinlinewiththehandlepivotbolt(Figure19).Ifnot,
loosenthelocknutsontheliftlinkstrapballjoints,
adjustasnecessary,andtightenthelocknuts.Care
shouldbetakentoadjusttheupperandlowerball
jointsevenly.
Figure19
1.Lowerball-jointbolt2.Handlepivotbolt
4.Checkthedistancebetweenthetineground
engagementleverandtheself-propeldrivebailas
showninFigure20.
Note:Thedistanceshouldbeapproximately38-44
mm(11/2–13/4inches);ifitisnot,thenproceedto
step5.
Figure20
1.Handle4.Tinegroundengagement
lever
2.Self-propel-drivebail
5.Jamnut
3.38to44mm(11/2to1
3/4inches)
6.Linkrod
5.Loosenbothjamnutsonbothendsofthelinkrod
nexttotheballjoints.
6.Turnthelinkroduntiltheproperdistanceisreached.
7.Tightenbothjamnutsonthelinkrodnexttotheball
joints.
15
SecuringtheMachinefor
Transport
Whentransportingthemachineonatrailer,alwaysusethe
followingprocedure:
Important:Donotoperateordrivethemachineon
roadways.
1.Drivethemachineontothattrailer,stopthemachine,
stoptheengine,turnoffthefuelvalve,anddisconnect
thesparkplugwire.
Important:Ifyoudonotturnoffthefuelvalve,
theenginemayoodduringtransport.
2.Securethemachinetothetrailerwithchainsorstraps
usingthetie-down/liftloops(Figure5).
OperatingTips
•Forbestperformanceandmaximumtinepenetration,
watertheturfthoroughlythedaybeforeaerating.
•Cleantheareaofdebrisbeforeusingthemachine.
•Markandavoidshallowobstaclessuchassprinklerheads
andinvisiblefencewires.
16
Maintenance
RecommendedMaintenanceSchedule(s)
MaintenanceService
Interval
MaintenanceProcedure
Aftertherst8hours
•Changetheengineoil.
Aftertherst10hours
•Checkthetensionofthedrivechains.
Aftertherst25hours
•Checkthetensionofthehydrostaticdrivebelt.
Beforeeachuseordaily
•Checktheengineoillevel.
•Lubricatethepivotarms.
•Checkthetirepressure.
•Checktheconditionofthecoringtinesandreplaceanythataredamagedor
excessivelyworn.
•Checkforloosefasteners.
Every25hours
•Lubricateandcheckthedrivechains.
•Cleanthefoampre-cleaner(morefrequentlyindustyconditions).
Every50hours
•Changetheengineoil.
•Checkthetensionofthedrivechains.
•Checkthetensionofthehydrostaticdrivebelt.
Every100hours
•Changetheoillter.
•Inspect,clean,andadjustthesparkplug;replaceitifnecessary.
•Changethehydraulictransmissionuid.
Every200hours
•Replacethesparkplug.
Every250hours
•Replacethefuellter.
Every300hours
•Replacethepaperairlter(morefrequentlyindustyconditions).
Yearlyorbeforestorage
•T ouchupchippedpaint.
CAUTION
Ifyouleavethesparkpugwireconnected,someonecouldaccidentlystarttheengineandseriouslyinjure
youorotherbystanders.
Beforeperforminganymaintenance,parktheunitonalevelsurface,stoptheengine,anddisconnectthe
sparkplugwire.Setthewireasidesothatitdoesnotaccidentallycontactthesparkplug.
17
Premaintenance
Procedures
AccessingtheTines
Themachinehasarearaccesspanelthatyoucanremoveto
accessandmaintainthetines(Figure21).
g017585
1
Figure21
WARNING
Ifyouoperatethemachinewiththerearaccess
panelremoved,someonecouldbeseverelyinjured
bycontactwiththemovingtinesorbyyingdebris.
Alwayssecurelyinstalltherearaccesspanelbefore
operatingthemachine.
TippingtheMachine
Ifyouneedtoworkontheundersideofthemachine,youcan
tipitbackuntilitisrestingontherearguard(
Figure22).Do
nottipthemachineforwardoryouwillfoultheaircleaner
withgasoline.Securethemachinewithajackstandbefore
workingunderit.
g017586
1
Figure22
1.Jackstand
WARNING
Mechanicalorhydraulicjacksmayfailtosupport
machineandcauseaseriousinjury.
•Usejackstandswhensupportingmachine.
•Donotusehydraulicjacks.
18
Lubrication
GreasingtheCenterTines
ServiceInterval:Beforeeachuseordaily
1.Raisethetines,stopthemachine,stoptheengine,and
disconnectthesparkplugwire.
2.Removetherearaccesspanel;refertoAccessingthe
Tines(page18)
3.Manuallyrotatethe2centertineassembliesuntilyou
canseethegreasettings(Figure23).
Figure23
4.Wipethegreasettingswithacleanrag.
5.Installagreasegunontothettingandgentlyapply2
or3pumpsof#2multi-purposelithiumbasegrease.
Important:Excessivegreasepressuremay
damagetheseals.
LubricatingtheDriveChains
ServiceInterval:Every25hours
1.Raisethetines,stopthemachine,stoptheengine,and
disconnectthesparkplugwire.
2.Raisethefrontofthemachinetogainaccesstothe
chains(Figure24)andblockitinplace.
CAUTION
Ifyoudonotsecurelyblocktheupthefront
ofthemachine,themachinecouldfallonyou
duringservice,injuringyou.
Ensurethatyouplaceajack-standorblock
underthefrontofthemachinetoholditup
securely.
Important:Donotraisetherearofthemachine.
Raisingtherearofthemachinewillcausethe
enginetooodandtheaircleanertobefouled
withgasoline.
g013292
1
Figure24
1.Chain(leftsideshown)
3.Applyageneralpurposeoil(10W30)ontothelower
chainspanwhilerotatingthefrontwheeltoexpose
un-oiledchainlinksuntilthewholechainisoiled.
4.Repeatstep3fortheotherchain.
5.Wipeupanyoilthatspilledandlowerthemachineto
thegroundwhennished.
19
EngineMaintenance
ServicingtheAirCleaner
ServiceInterval:Every25hours—Cleanthefoam
pre-cleaner(morefrequentlyindusty
conditions).
Every300hours—Replacethepaperairlter(more
frequentlyindustyconditions).
Important:Donotoperatetheenginewithouttheair
lterassembly;extremeenginedamagemayoccur.
1.Stoptheengineandwaitforallmovingpartstostop.
2.Disconnectthewirefromthesparkplug.
3.Removethecoverandcleanitthoroughly(Figure25).
Note:Becarefultopreventdirtanddebrisfrom
fallingintothebase.
g017587
1
2
3
Figure25
1.Cover3.Paperairlter
2.Foampre-cleaner
4.Removethefoampre-cleanerandwashitwithamild
detergentandwater,thenblotitdry(Figure25).
5.Removeandinspectthepaperairlter(
Figure25);
discarditifitisexcessivelydirty.
Important:Donottrytocleanapaperlter.
6.Wipedirtfromthebaseandthecoverwithamoistrag.
Note:Becarefultopreventdirtanddebrisfrom
enteringtheairductleadingtothecarburetor.
7.Installthefoampre-cleanerontothepaperairlter.
Note:Useanewpaperairlterifyoudiscardedthe
oldone.
8.Installtheairlterassemblyandcover.
ChangingtheEngineOil
ServiceInterval:Aftertherst8hours
Every50hours
OilCapacity
Withoillter0.85L(29ounces)
Withoutoillter0.65L(22ounces)
1.Runtheenginetowarmtheengineoil.
Note:Warmoilowsbetterandcarriesmore
contaminants.
WARNING
Oilmaybehotafterenginehasbeenrun,and
contactwithhotoilcancauseseverepersonal
injury.
Avoidcontactingthehotengineoilwhenyou
drainit.
2.Stoptheengineandwaitforallmovingpartstostop.
3.Disconnectthewirefromthesparkplug.
4.Placeadrainpanonthegroundtotherightofthe
machine.
5.Removethedipstick(
Figure26).
G016924
Figure26
6.Removethedrainplug(Figure27)andtipthemachine
sotheoilowstothepan.
20
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