Operator's Manual

HydraulicSystem
Maintenance
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.Fluidinjected
intotheskinmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliarwith
thisformofinjury;otherwisegangrenemay
result.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks;neveruseyourhands.
ServicingtheHydraulic
DriveSystem
Hydraulic-FluidSpecications
Expansion-tankcapacity:1.4L(1.5USqt)
Hydraulic-uidtype:T oro®HYPR-OIL™500
Important:Alwaysusethecorrecthydraulic
uid.Unspecieduidswilldamagethehydraulic
system.
Note:Manyhydraulicuidsarealmostcolorless,
makingitdifculttospotleaks.Areddyeadditivefor
thehydraulicsystemoilisavailablein0.67oz(20
ml)bottles.Onebottleissufcientfor15to22L(4
to6USgallons)ofhydraulicuid.OrderPartNo.
44-2500fromyourauthorizedTorodistributor.
CheckingtheHydraulic-Fluid
LevelfortheDriveSystem
ServiceInterval:Beforeeachuseordaily
1.Parkthemachineonalevelsurface,move
themotion-controlleverstotheNEUTRAL-LOCK
position,engagetheparkingbrake,andlower
thehopper.
2.Shutofftheengine,andremovethekey.Allow
theenginetocool.
3.Openthecowl.
4.Usethesightwindowtochecktheuidlevelin
theexpansiontank(Figure49).
Note:Theuidlevelshouldbeatthellline
onthedecal.
g203616
Figure49
1.Expansion-tankcap
3.Fluidatllline
2.Sightwindow
5.Iftheoillevelislow,removethecaplockand
capfromthetopoftheexpansiontank(Figure
50),andaddenoughofthespeciedhydraulic
uidtoraiseittotheproperlevel.
Important:Ensurethattheexpansion-tank
uidlevelisattheproperlevel.Overlling
thetankmaycauseuidtopurgeoutofthe
breatherhole.
g186038
Figure50
1.Bolt
3.Cap
2.Caplock
6.Installthecapandcaplock.Wipeupanyspilled
hydraulicuid.
ChangingtheHydraulicFluidand
FilterfortheDriveSystem
ServiceInterval:Every300hours
1.Parkthemachineonalevelsurface,move
themotion-controlleverstotheNEUTRAL-LOCK
position,engagetheparkingbrake,andlower
thehopper.
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