g300245
Figure45
1.Nut2.Lowercontrolrod
5.Startthemachineandmovethethrottlecontrol
totheFASTposition.
6.Tondtheneutralposition,movethelower
controlrodupordownuntilthetirestopsrotating
(Figure45).
7.Tightenthenut(Figure45).
Important:Ensurethattheroddoesnot
move;otherwise,youmayneedtoadjustthe
rodagain.
8.Repeatfortheotherlever.
Note:Youmayneedtoadjustthetrackingafter
adjustingtheneutraltraction;refertoAdjustingthe
Tracking(page35).
AdjustingtheTracking
Ifyoupushbothmotion-controlleversforwardfull
speedacrossaat,levelsurfaceandthemachine
pullsto1side,adjustthetrackingasfollows.
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.RotatetheadjustmentscrewshowninFigure45
toincreaseordecreasethespeedforthatlever.
Note:Rotatethescrewclockwisetodecrease
thespeed;rotateitcounterclockwisetoincrease
thespeed.
Ifthemachinepullstotheleft,decreasethe
speedfortherightleverorincreasethespeed
fortheleftlever.
Ifthemachinepullstotheright,decreasethe
speedfortheleftleverorincreasethespeed
fortherightlever.
g299908
Figure46
1.Adjustmentscrew
4.Startthemachineanddriveforwardacrossa
at,levelsurfacewiththemotion-controllevers
fullyforwardtocheckifthemachinetracks
straight.Repeattheprocedureasneeded.
AdjustingtheCaster-Pivot
Bearing
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
Note:For91cm(36inch)machines,tightenthe
topboltonthecasterwheels.For122cm(48-inch
machines),followtheprocedure.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andengagetheparking
brake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethedustcapfromthecasterandtighten
thelocknut(Figure47).
4.Tightenthelocknutuntilthespringwashersare
at,andthenbackoffa1/4turntoproperlyset
thepreloadonthebearings(Figure47).
35