Locking/UnlockingtheTineDepth
Setting
Thesettingscanbelockedtoensurethatthetine
depthisnotinadvertentlychangedbytheoperator
orleftunlocked.
•Toactivatethedepthlock:turntheignitionkey
fromtheOFFpositiontotheONposition5times
(stopattheONposition).Usethemulti-function
switchtoadjustthetinedepthtothedesired
setting.Pressandholdthemulti-functionswitch
downfor1secondtolock.
•Todeactivatethedepthlock:turntheignitionkey
fromtheOFFpositiontotheONposition5times
(stopattheONposition).Pressandholdthe
multi-functionswitchupfor1secondtounlock.
SwitchthekeytotheOFFpositionorSTARTposition
whenyouarenished.
AdjustingtheOperatorWeight
ControlSetting
1.Withthetinesraised,drivethemachinetoa
hard,atsurface(suchasconcrete)andstop
theaerator,butleaveitrunning.
2.SetthrottletotheFASTpositionanddisengage
theparkingbrake.
3.Usethemulti-functionswitchtosetthetine
depthto3.0;refertoAdjustingtheTine-Depth
Setting(page24).
4.Pressandholdthetineground-engagementfoot
switchtolowerthetines.
•Ifthemachineraisesandthegroundtires
arenolongertouching,rotatetheoperator
weight-adjustmentcontrolcounterclockwise
tolowerthemachineuntilthetirestouchthe
ground.
•Ifthetinesarenottouchingtheground,
rotatetheoperatorweight-adjustmentcontrol
clockwiseuntilthetineslowerandtouchthe
ground(butdonotraisethemachine).
Important:Tomaximizelateralmachine
stability,alwayskeepthedrivetiresonthe
ground.
5.Releasethetineground-engagementfoot
switch.
AdjustingtheTine-DepthSetting
Tapthemulti-functionswitchupordowntosetthe
aerationdepth.
Tapthebottomofthemulti-functionswitchtoincrease
thetinedepthtoremovealongerplug.
Tapthetopoftheswitchtodecreasethetinedepth
toremoveashorterplug.
Note:Youcanmaketine-depthadjustmentswiththe
multi-functionswitchonly.Theidealplugdepthis6.4
to7.6cm(2-1/2to3inches).Adjustthecontrolsto
adapttothesoilconditions.
RaisingtheTines
Toraisethetines,removeyourfootfromthe
tine-elevationswitch(Figure7).
Important:Thetinesrotatewhenthe
motion-controlleverismovedoutoftheneutral
position.
ShuttingOfftheEngine
1.Movethemotion-controlleverstotheneutral
positionandbringthemachinetoafullstop;
refertoMotion-ControlLevers(page11).
2.Liftyourfootoffthetineground-engagement
footswitchcontroltoraisethetines;referto
RaisingtheTines(page24).
3.Placethethrottleinthemidwaybetweenthe
SLOWandFASTpositions;refertoThrottleLever
(page11).
4.Allowtheenginetorunforaminimumof15
seconds,thenturnthekeyswitchtotheOFF
positiontoshutofftheengine;refertoKey
Switch(page13).
5.Engagetheparkingbrake;refertoParking-Brake
Handle(page12).
6.Removethekeytopreventchildrenorother
unauthorizedpersonsfromstartingtheengine.
7.Closethefuel-shutoffvalvewhenthemachine
willnotbeusedforafewdays,when
transporting,orwhenthemachineisparked
insideabuilding;refertoUsingtheFuel-Shutoff
Valve(page23).
DrivingtheMachine
CAUTION
Machinecanspinveryrapidlybypositioning
1levertoomuchaheadoftheother.Youmay
losecontrolofthemachine,whichmaycause
damagetothemachineorinjury.
•Usecautionwhenmakingturns.
•Slowthemachinedownbeforemaking
sharpturns.
Important:Todrivethemachine(forwardor
backward),disengagethebrakeleverbeforeyou
canmovethemotion-controllevers.
24