Toro Z580-D Z Master - Checking the Wheel Hub Slotted Nut; Checking the Tire Pressure

Figure56
1.Trackingknob4.Turnthiswaytotrackright
2.Hydraulictank
5.Turnthiswaytotrackleft
3.Hydraulicpumps
CheckingtheTirePressure
ServiceInterval:Every50hoursormonthly,whichever
occursrst.
Checkthepressureatthevalvestem(
Figure57).
Maintaintheairpressureinthereartiresat13psi(90
kPa).Uneventirepressurecancauseunevencut.Check
thetireswhentheyarecoldtogetthemostaccurate
pressurereading.
Note:Thefronttiresaresemi-pneumatictiresanddo
notrequireairpressuremaintenance.
Figure57
CheckingtheWheelHub
SlottedNut
ServiceInterval:Aftertherst100hours—Checkthe
wheelhubslottednut.
Every500hours—Checkthewheel
hubslottednut.
Aftertherst100hours—Checkthe
wheellugnuts.
Every500hours—Checkthewheel
lugnuts.
Theslottednutneedstobetorquedto125ft-lb
(170N-m).
1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removethecotterpin.
4.Torquetheslottednutto125ft-lb(170N-m)
(
Figure58).
Figure58
1.SlottedNut3.Holeinthreadedshaft
2.Twothreadsorless
showing
4.Washer(ifneeded)
5.Checkthedistancefrombottomofslotinnutto
insideedgeofhole.Twothreadsorlessshouldbe
showing(Figure58).
6.Ifmorethantwothreadsareshowingremovenut
andinstallwasherbetweenhubandnut.
7.Torquetheslottednutto125ft-lb.(170N-m)
(Figure58).
8.Tightenthenutuntilthenextsetofslotslineupwith
theholeintheshaft(Figure58).
9.Replacethecotterpin.
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