areaaroundtheclutchfreeofammablematerial
andavoidprolongedslippingoftheclutch.
SlopeSafety
•Reviewthetractionunitspecicationstoensure
thatyoudonotexceeditsslopecapabilities.
•Slopesareamajorfactorrelatedtolossofcontrol
androlloveraccidents,whichcanresultinsevere
injuryordeath.Youareresponsibleforsafeslope
operation.Operatingthemachineonanyslope
requiresextracaution.
•Evaluatethesiteconditionstodetermineifthe
slopeissafeformachineoperationincluding
surveyingthesite.Alwaysusecommonsense
andgoodjudgmentwhenperformingthissurvey.
•Reviewtheslopeinstructionslistedbelowfor
operatingthemachineonslopesandreviewthe
conditionstodeterminewhetheryoucanoperate
themachineintheconditionsonthatdayandat
thatsite.Changesintheterraincanresultina
changeinslopeoperationforthemachine.
•Avoidstarting,stopping,orturningthemachineon
slopes.Avoidmakingsuddenchangesinspeedor
direction.Maketurnsslowlyandgradually.
•Donotoperateamachineunderanyconditions
wheretraction,steering,orstabilityisinquestion.
•Removeormarkobstructionssuchasditches,
holes,ruts,bumps,rocks,orotherhiddenhazards.
Tallgrasscanhideobstructions.Uneventerrain
couldoverturnthemachine.
•Beawarethatoperatingthemachineonwet
grass,acrossslopes,ordownhillmaycausethe
machinetolosetraction.Lossoftractiontothe
drivewheelsmayresultinslidingandalossof
brakingandsteering.
•Useextremecautionwhenoperatingthemachine
neardropoffs,ditches,embankments,water
hazards,orotherhazards.Themachinecould
suddenlyrolloverifawheelgoesovertheedge
ortheedgecavesin.Establishasafetyarea
betweenthemachineandanyhazard.
AeratingProcedures
Important:Ifyoustoredthemachineforan
extendedperiod,ensurethatthePTOslipis
operational.RefertoAdjustingthePTOClutch
(page34).
1.Lowertheaeratorsothatthetinesarenearthe
groundatthelowestpartoftheirstroke.
2.Atalowtractionunitenginespeed,engagethe
powertakeoff(PTO)clutchtostarttheaerator
working.
3.Selectagearthatproducesa1to4km/h(0.8
to2.5mph)forwardspeedattheratedPTO
speedof400to460rpm;refertotheoperator's
manualforthetractionunit.
4.Asyoureleasetheclutchandthetractionunit
movesforward,lowertheaeratorfullyontothe
roller(s)andincreaseenginespeedtogivea
maximumof400to460rpm(460onmodel
SR72)atthePTO.
Important:Neveroperatethetractionunit
PTOmorethan460rpmoryoumaydamage
totheaerator.
Important:Makesurethattherolleris
alwaysonthegroundwhentheaeratoris
operating.
5.Notetheholepattern.Ifyourequiregreater
holespacing,increaseforwardthespeedof
thetractionunitbyshiftingupagearorwith
ahydrostaticdrivetractionunit,actuatethe
hydrostatleverorpedaltogivefasterspeed.
Forcloserholespacing,decreasetractionunit
forwardspeed.
Important:Changingtheenginespeed
whileinthesamegearwillnotchangethe
holepattern.
Lookbehindtheaeratorfrequentlytoensure
thatthemachineoperatesproperly,andit
alignswithpreviouspasses.
6.Usethefronttractionunitwheelasaguideto
maintainequallateralholespacingwiththe
previouspass.
7.Attheendoftheaerationpass,raisetheaerator
andquicklydisengagethePTO.
8.Ifyoubackintoatightarea(likeateebox),
disengagethePTOandraisetheaeratortoits
highestposition.
Important:Neveraerateinreverse.
9.Alwayscleartheareaofalldamagedmachine
parts,suchasbrokentines,etc.,toprevent
mowersorotherturfmaintenanceequipment
frompickingupandthrowingdebris.
10.Replacebrokentines,inspect,andcorrect
damagetothosestillusable.Repairanyother
machinedamagebeforecontinuingoperation.
SubsoilCultivation
Thespadingmotionofthetinecreatessubsoil
cultivation,fracturing,orheavingastheaeratorand
tractionunitmoveforward.Qualityofnishonthe
playingsurfaceafteraeratingwilldependonvarious
factorsincludingturfcondition,rootgrowthand
moisturecontent.
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