Operator's Manual
HydraulicSystem
Maintenance
ServicingtheHydraulic
System
HydraulicOilType:Toro
®
HYPR-OIL
™
500
hydraulicoilorMobil
®
115W-50
HydraulicSystemOilCapacity:132ounces(3.9l)
Important:Useoilspecied.Otheruidscould
causesystemdamage.
CheckingtheHydraulicFluidLevel
ServiceInterval:Aftertherst8hours
Every25hours
Important:Useoilspeciedorequivalent.Other
uidscouldcausesystemdamage.
Note:Therearetwowaysofcheckingthehydraulicoil.
Oneiswhentheoiliswarmandoneiswhentheoilis
cold.Thebafeinsidethetankhastwolevelsdepending
iftheoiliswarmorcold.
1.Positionthemachineonalevelsurfaceandsetthe
parkingbrake.
2.Cleantheareaaroundllerneckofhydraulictank
(
Figure75).
3.Removethecapfromthellerneck.Lookinsideto
checkifthereisuidinthereservoir(
Figure75).
4.Ifthereisnouid,adduidtothereservoiruntilit
reachesthecoldlevelofthebafe.
5.Runthemachineatlowidlefor15minutestoallow
anyairtopurgeoutofthesystemandwarmtheuid.
RefertoStartingandStoppingtheEngine(page20).
6.Rechecktheuidlevelwhiletheuidiswarm.The
uidshouldbebetweencoldandhot.
7.Ifrequired,adduidtothehydraulictank.
Note:Theuidlevelshouldbetothetopofthehot
levelofthebafe,whentheuidishot(
Figure75).
8.Installcaponllerneck.
Figure75
1.Cap3.Colduidlevel-full
2.Bafe4.Hotuidlevel-full
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskin
itmustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistypeof
injury.Gangrenemayresultifthisisnot
done.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesureallhydraulicuidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretohydraulicsystem.
ReplacingtheHydraulicFilterand
HydraulicOil
ServiceInterval:Aftertherst25hours
Every250hours—Changethe
hydrauliclterandhydraulicoilwhen
usingMobil
®
1oil.
Every500hours—Changethe
hydrauliclterandhydraulicoil
whenusingToro
®
HYPR-OIL
™
500
hydraulicoil.
Usesummerlterabove32°F(0°C)
Usewinterlterbelow32°F(0°C)
Note:Attheyearlyinterval,changethehydraulicoil
whentheoillterischanged.
53