Toro Z Master Professional 7500-D Series - Checking the Tire Pressure; Checking the Wheel Lug Nuts; Adjusting the Caster-Pivot Bearing

CheckingtheTirePressure
ServiceInterval:Every50hours/Monthly(whichever
comesrst)
Reartireairpressurespecication:152kPa(22
psi)
Note:Thecastertiresaresemi-pneumatictiresand
donotrequireairpressuremaintenance.
DANGER
Lowtirepressuredecreasesmachineside-hill
stability.Thiscouldcausearollover,which
mayresultinpersonalinjuryordeath.
Donotunder-inatethetires.
Checktheairpressureinthereartires.Addorremove
airasneededtosettheairpressureinthetirestothe
tireairpressurespecication.
Important:Maintainpressureinalltiresto
ensureagoodqualityofcutandpropermachine
performance.
Checktheairpressureinallthetiresbefore
operatingthemachine.
g001055
Figure54
CheckingtheWheelLug
Nuts
ServiceInterval:Aftertherst100hours—Checkthe
wheellugnuts.
Every500hours—Checkthewheellugnuts.
Torquethewheellugnutsto129N∙m(95ft-lb).
AdjustingtheCaster-Pivot
Bearing
ServiceInterval:Every500hours/Yearly(whichever
comesrst)
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andengagetheparking
brake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Removethedustcapfromthecasterandtighten
thelocknut(Figure55).
4.Tightenthelocknutuntilthespringwashersare
at,andthenbackoffa1/4turntoproperlyset
thepreloadonthebearings(Figure55).
Important:Makesurethatthespring
washersareinstalledcorrectlyasshownin
Figure55.
5.Installthedustcap(Figure55).
g228558
Figure55
1.Springdiscwashers
54