HydraulicSystem
Maintenance
HydraulicSystemSafety
•Seekimmediatemedicalattentionifuidisinjected
intoskin.Injecteduidmustbesurgicallyremoved
withinafewhoursbyadoctor.
•Ensurethatallhydraulic-uidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompinhole
leaksornozzlesthatejecthigh-pressurehydraulic
uid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
HydraulicSystem
Specications
HydraulicFluidType:T oro®HYPR-OIL™500
hydraulicuid
HydraulicSystemFluidCapacity:4.7L(159oz)
Important:Usetheuidspecied.Otheruids
coulddamagethesystem.
CheckingtheHydraulic
FluidLevel
ServiceInterval:Every50hours
1.Parkthemachineonalevelsurface,disengage
thePTO,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Allthemachinetocoolcompletely.
4.Checktheuidlevelonthesideofthehydraulic
tank(Figure62).Continuetheprocedureifthe
levelisbelowthecoldlllevel.
5.Cleantheareaaroundthecapofthehydraulic
tank(Figure62).
6.Removethecapfromthellerneckandadd
uidtothereservoiruntilitreachesthecoldll
level(Figure62).
7.Installthecaponthetank(Figure62).
g300398
Figure62
ChangingtheHydraulic
FluidandFilters
ServiceInterval:Aftertherst50hours—Changethe
hydraulic-systemltersanduid.
Every500hours—Aftertheinitial
change—changethehydraulic-system
ltersanduidwhenusingT oro
®
HYPR-OIL
™
500uid.(Changeitmoreoftenunderdirtyor
dustyconditions)
Toreplacethehydraulicuid,theltersneedtobe
removed.Replacebothatthesametime;referto
HydraulicSystemSpecications(page43)foruid
specications.
RemovingtheFiltersandDraining
theFluid
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
43