Toro 74410 - Hydraulic System Maintenance; Checking Hydraulic Fluid and Replacing Filter;Oil

HydraulicSystem
Maintenance
ServicingtheHydraulic
System
CheckingtheHydraulicFluid
ServiceInterval:Aftertherst8hours
Every25hours
FluidType:Mobil115W-50syntheticmotoroilor
equivalentsyntheticoil.
Important:Useoilspeciedorequivalent.Other
uidscouldcausesystemdamage.
HydraulicSystemOilCapacity:67ounces(2.0l)
Checkthehydraulicuidlevel:
•Beforetheengineisrststarted.
•Aftertherst8operatinghours.
•Afterevery25operatinghours.
Note:Therearetwowaysofcheckingthehydraulicoil.
Oneiswhentheoiliswarmandoneiswhentheoilis
cold.Thebafeinsidethetankhastwolevelsdepending
iftheoiliswarmorcold.
1.Positionthemachineonalevelsurfaceandsetthe
parkingbrake.
2.Cleantheareaaroundllerneckofhydraulictank
(Figure55).
3.Removethecapfromthellerneck.Lookinsideto
checkifthereisuidinthereservoir(Figure55).
4.Ifthereisnouid,adduidtothereservoiruntilit
reachesthecoldlevelofthebafe.
5.Runthemachineatlowidlefor15minutestoallow
anyairtopurgeoutofthesystemandwarmthe
uid.RefertoStartingandStoppingtheEnginein
Operation,page12.
6.Rechecktheuidlevelwhiletheuidiswarm.The
uidshouldbebetweencoldandhot.
7.Ifrequired,adduidtothehydraulictank.
Note:Theuidlevelshouldbetothetopofthehot
levelofthebafe,whentheuidishot(Figure55).
8.Installthecaponllerneck.
Figure55
1.Cap3.Colduidlevel-full
2.Bafe4.Hotuidlevel-full
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskin
itmustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistypeof
injury.Gangrenemayresultifthisisnot
done.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesureallhydraulicuidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretohydraulicsystem.
ReplacingtheHydraulicFilterandOil
ServiceInterval:Aftertherst25hours
Yearly
Changethehydrauliclterandoil:
•Aftertherst25operatinghours.
•Changeyearlyaftertherst25operatinghours.
Usesummerlterabove32°F(0°C)
Usewinterlterbelow32°F(0°C)
42