Toro 74523 - Hydraulic System Maintenance; Servicing the Hydraulic System

HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicFluidType:Toro
®
HYPR-OIL
™
500hydraulic
oil
HydraulicSystemFluidCapacity:4.7L(5USqt)
Important:Usetheuidspecied.Otheruidscould
damagethesystem.
CheckingtheHydraulicFluid
ServiceInterval:Aftertherst8hours
Every500hours
Note:Checkthehydraulicuidlevelwhentheuidiscold.
1.Positionthemachineonalevelsurface.
2.Disengagethepowertakeoff(PTO)andshutoffthe
engine.
3.Waitforallmovingpartstostopandsettheparking
brakebeforeleavingtheoperatingposition.
4.Cleantheareaaroundthecapandthellerneckofthe
hydraulictank(Figure71).
Figure71
1.Hydraulic-tankcap2.Filllevel
5.Removethecapfromthellerneck(Figure71).
Note:Lookinsidetochecktheuidlevelinthe
reservoir.
6.Adduidtothereservoiruntilitreachesthelllevel.
7.Installthecaponthellerneck.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskin,
itmustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistype
ofinjury.Gangrenemayresultifthisis
notdone.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesurethatallhydraulic-uidhoses
areingoodcondition,andallthatthe
hydraulicconnectionsandttingsaretight
beforeapplyingpressuretothehydraulic
system.
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