Operator's Manual

•Alwaysmaintainawarenessofwhatliesaheadinthe
directionofforwardtravel.Avoidoperationinclose
proximityofbuildings,fences,andotherequipment.
•Lookbehindfrequentlytoensurethatthemachine
isoperatingproperlyandalignmentismaintained
withpreviouspasses.
•Alwayscleartheareaofalldamagedmachineparts,
suchasbrokentines,etc.,topreventtheirbeing
pickedupbymowersorotherturfmaintenance
equipment.
•Replacebrokentinesandinspectandcorrect
damagetothosestilluseable.Repairanyother
machinedamagebeforecommencingoperation.
•Themachinewillaeratedeeperthanmostgreens
aerators.Onnativeormodiedpush-upgreensand
tees,thedeeperdepthandlongerhollowtinesmay
havedifcultyejectingthecompletecore.Thisis
duetohardernativesoilthatsticksintheendofthe
tine.Side-ejectgreens/teestinesfromTorowillstay
cleanerandreducethetimerequiredtocleanthe
tinesout.Thisconditioniseventuallyeliminated
withcontinuedaerationandtop-dressingprograms.
HardGround
Ifthegroundistoormtoobtainthedesiredcoring
depth,thecoringheadcangetintoabouncingrhythm.
Thisisduetothehardpanthetinesareattempting
topenetrate.Thisconditioncanbecorrectedby
attemptingthefollowing:
•Donotaerateifgroundistoohardordry,best
resultsareobtainedafterarainorwhenturfhas
beenwateredthepreviousday.
•Changetoa3-tinehead,ifattemptingtousethe
4-tineheadorreducethenumberoftinesper
stomperarm.Attempttomaintainasymmetrical
tinecongurationtoevenlyloadthestomperarms.
•Reduceaeratorpenetration(depthsetting),if
groundishardpacked.Cleanupcores,waterturf,
andre–aerateatadeeperpenetration.
Aerationofsoiltypesbuiltontopofhardsubsoils(i.e.
soil/sandplacedoverrockysoil)cancauseundesired
holequality.Thisiscausedwhentheaerationdepth
isgreaterthanthebuiltupsoilandthesubsoilistoo
hardtopenetrate.Whenthetinescontactthisharder
subsoiltheaeratormayliftandcausethetopofthe
holestobecomeelongated.Reducetheaeratingdepth
sufcientlytoavoidpenetrationintothehardsubsoil.
Entrance/Exit
Iftheentrance/exitholequalityisdeteriorating,the
clutchmaynotbeengagingsoonenough.Checkthe
following:
•Theno.3switchlocationonH–Frame
•Clutchwear/slippage
Iftheholequalityuponentranceisslotted(pulled
forward)orthecoringheadfailstoengagebefore
contactingtheturf,theengagementpositionswitch
mayrequireadjustment.
•Verifythattheswitchassemblyalongsidethe
H-Frameisnomorethan0.06inches(1.5mm)
fromthetargetplate
•Verifythatthe#3switchisfunctioningproperly.
•Ifneeded,loosentheswitchmountingplateandlift
toitshighestpositionandre–securethemounting
plate.Thehighertheswitch,thesoonertheclutch
engages.
Ifthecoringheadfailstostartbeforeentranceand
thepositionswitchislocatedashighaspermissible,
theelectricclutchmayhavedeterioratedsufciently
tocauseadelayinengagement.ContactyourToro
distributororrefertotheServiceManual.
MiniTine(QuadTine)
Themini-tineheaddevelopedbyToroisaveryfast
waytoaerateduetothedoublerowdesign.Thiscoring
headrequirestheholespacingtobesetat2.5inches
(6.3cm).Groundspeediscriticaltomaintainthe
appearanceof1.25inch(3.2cm)holespacing.Referto
theholespacingadjustmentsectionifyourholespacing
requiresasmallchange.
Withtheminitineheadorlargersolidtineuse,theturf
rootstructureisimportanttopreventingturfdamage
duetotearingoftherootzone.Ifthecentertwoarms
begintolifttheturfordamagetotherootzoneis
excessive,proceedasfollows:
•Increasetheholespacing
•Decreasetinesize
•Removesomeofthetines
Thisdamageiscausedbytheliftingactionthatsolid
tinescreatewhenpulledfromtheturf.Thisliftcan
teartherootzoneifthedensityoftinesordiameter
oftinesistoohigh.
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