Toro 74833 - Drive System Maintenance; Checking the Tire Pressure; Hydraulic System Maintenance; Checking the Hydraulic Oil Level

DriveSystem
Maintenance
CheckingtheTirePressure
ServiceInterval:Every25hours—Checktirepressure.
Maintaintheairpressureinthefrontandreartiresas
specied.Uneventirepressurecancauseunevencut.
Checkthepressureatthevalvestem(Figure45).Check
thetireswhentheyarecoldtogetthemostaccurate
pressurereading.
RearTires:13psi(90kPa)
FrontTires(casterwheels):35psi(241kPa)
Figure45
1.Valvestem
HydraulicSystem
Maintenance
OilType:20w-50engineoil.
Important:Useoilspeciedorequivalent.Other
uidscouldcausesystemdamage.
CheckingtheHydraulicOil
Level
ServiceInterval:Every25hours
Checkexpansionreservoirandifnecessaryadd20W-50
engineoiltotheFULLCOLDline
G010253
1
2
3
Figure46
1.Expansionreservoir3.Engine
2.FullColdline
ChangingtheHydraulic
SystemFilterandOil
Thelterandoilarechangedatthesametime.DoNot
reuseoil.Oncethenewlterisinstalledandoilisadded
anyairinthesystemmustbepurged.
Thebleedingprocessisrepeateduntiltheoilremains
attheFULLCOLDlineinthereservoirafterpurging.
Failuretoproperlyperformthisprocedurecan
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