Toro 30488 - Hydraulic System Maintenance; Servicing the Hydraulic System

HydraulicSystem
Maintenance
ServicingtheHydraulic
System
CheckingtheHydraulicFluid
ServiceInterval:Aftertherst8hours
Every25hours
Note:Thereare2waysofcheckingthehydraulicoil.One
iswhentheoiliswarmandoneiswhentheoiliscold.The
bafeinsidethetankhas2levelsdependingiftheoiliswarm
orcold.
1.Positionmachineonalevelsurface.
2.Disengagethepowertakeoff(PTO)andshutoffthe
engine.
3.Waitforallmovingpartstostopbeforeleavingthe
operatingpositionandthensettheparkingbrake.
4.Cleanareaaroundcapandllerneckofhydraulictank
(Figure58).
Figure58
1.Cap3.Colduidlevel—full
2.Bafe4.Hotuidlevel—full
5.Removethecapfromthellerneck.
6.Lookinsidetochecktheuidlevelinthereservoir.
(Figure58).
7.Adduidtothereservoiruntilitreachesthecoldlevel
ofthebafe.
8.Runthemachineatlowidlefor15minutestoallow
anyairtopurgeoutofthesystemandwarmuid;refer
toStartingandStoppingtheEngine(page16).
9.Checktheuidlevelwhiletheuidiswarm.
Note:Ifrequired,adduidtothereservoiruntilit
reachesthehotlevelofthebafe.
Note:Theuidlevelshouldbetothetopofthehot
levelofthebafe,whentheuidiswarm(Figure58).
10.Installthecapontothellerneck.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskinit
mustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistype
ofinjury.Gangrenemayresultifthisis
notdone.
•Keepyourbodyandhandsawayfrom
pin-holeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesurethatallhydraulic-uidhoses
andlinesareingoodconditionandall
hydraulicconnectionsandttingsare
tightbeforeapplyingpressuretohydraulic
system.
ReplacingtheHydraulicFilterand
HydraulicOil
ServiceInterval:Aftertherst8hours
Every250hours—Changethehydrauliclterandthe
hydraulicoilwhenusingMobil
®
1oil.
Every500hours—Changethehydrauliclterandthe
hydraulicoilwhenusingToro
®
HYPR-OIL
™
500
hydraulicoil.
WARNING
Hothydraulicuidcancausesevereburns.
Allowthehydraulicuidtocoolbeforeperforming
anymaintenancetothehydraulicsystem.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengineandwaitforallmovingpartstostop
beforeleavingtheoperatingposition.
Important:Donotsubstituteanautomotiveoil
lter,orseverehydraulic-systemdamagemay
result.
3.Locatethelterunderthefueltankandplaceadrain
panunderthelter(Figure59).
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