HydraulicSystem
Maintenance
HydraulicSystemOilSpecication
OilType:ToroHYPR-OIL®500or20w-50motoroil.
SystemCapacity:approximately4.495liter(152oz)witha
lterchange.
CheckingtheHydraulicOil
Level
ServiceInterval:Every25hours
Checkexpansionreservoirandifnecessaryaddthespecied
oiltotheFULLCOLDline.
Figure43
1.Expansionreservoir3.Engine
2.FullColdline
ChangingtheHydraulic
SystemOilandFilters
ServiceInterval:Aftertherst50hours
Every400hours
Important:Thebleedingprocessisrepeateduntilthe
oilremainsattheFULLCOLDlineinthereservoirafter
purging.
F ailur e to pr oper l y perf or m this pr ocedur e
can r esult in ir r epara ble dama ge to the transaxle dri v e
system.
Note:Thelterandoilarechangedatthesametime.Do
Notreuseoil.Oncethenewlterisinstalledandoilisadded
anyairinthesystemmustbepurged.
RemovingHydraulicSystemFilters
1.Stopengine,waitforallmovingpartstostop,and
allowenginetocool.Removethekeyandengagethe
parkingbrake.
2.Raisetherearofmachineupandsupportwithjack
stands(orequivalentsupport)justhighenoughto
allowdrivewheelstoturnfreely.