Toro 74282 - Drive System Maintenance; Adjusting the Tracking; Checking the Tire Pressure; Checking the Wheel Hub Slotted Nut

DriveSystem
Maintenance
AdjustingtheTracking
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
Important:Adjustthehandleneutralandhydraulic
pumpneutralbeforeadjustingthetracking.Refer
toAdjustingtheHandleNeutralandAdjustingthe
HydraulicPumpNeutral.
1.Pushbothcontrolleversforwardthesamedistance.
2.Checkifthemachinepullstooneside.Ifitdoes,
stopthemachineandsettheparkingbrake.
3.Unlatchtheseatandtiptheseatuptoaccessthe
pumpcontrolrod.
4.Loosenthelocknutattheballjointonrighthand
pumpcontrolrod(Figure42).
•Tomakethemachinegoright,rotatethedouble
nutsonrodtotherightsideofthemachine.
•Tomakethemachinegoleft,rotatethedouble
nutsonrodtotheleftsideofthemachine.
5.Tightenthelocknutattheballjointandtestthe
tracking(Figure42).
6.Repeatthisadjustmentuntilthetrackingiscorrect.
Figure42
1.Righthandpumpcontrol
rod
3.Locknut
2.Doublenuts4.Balljoint
CheckingtheTirePressure
ServiceInterval:Every50hoursormonthly,whichever
occursrst.
Checkthepressureatthevalvestem(Figure43).
Maintaintheairpressureinthereartiresat13psi(90
kPa).Uneventirepressurecancauseunevencut.Check
thetireswhentheyarecoldtogetthemostaccurate
pressurereading.
Note:Thefronttiresaresemi-pneumatictiresanddo
notrequireairpressuremaintenance.
Figure43
CheckingtheWheelHub
SlottedNut
ServiceInterval:Every100hours
Theslottednutneedstobetorquedto125ft-lb
(170N⋅m).
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removethecotterpin.
4.Torquetheslottednutto125ft-lb(170N⋅m)
(Figure44).
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