Operator's Manual
CheckingtheHydraulic
FluidLevel
ServiceInterval:Beforeeachuseordaily
1.Allowthehydraulicuidtocooldown.Checkthe
oillevelwhentheuidiscold.
2.Checkexpansionreservoirandifnecessary
addToro
®
HYPR-OIL
™
500hydraulicuidtothe
FULLCOLDline.
g037051
Figure61
1.Engine2.Expansiontank
ChangingtheHydraulic
FluidandFilters
ServiceInterval:Aftertherst75hours—Changethe
hydraulic-systemltersanduid.
Every250hours—Aftertheinitial
change—changethehydraulic-system
ltersanduidwhenusingMobil115W50
uid.(Changeitmoreoftenunderdirtyordusty
conditions)
Every500hours—Aftertheinitial
change—changethehydraulic-system
ltersanduidwhenusingT oro
®
HYPR-OIL
™
500uid.(Changeitmoreoftenunderdirtyor
dustyconditions)
Toreplacethehydraulicuid,theltersneedtobe
removed.Replacebothatthesametime;referto
HydraulicFluidSpecications(page49)foruid
specications.
Purgeanyairinthesystemafteryouinstallthenew
ltersandadduid.RefertoBleedingtheHydraulic
System(page52).Repeatthebleedingprocessuntil
theuidremainsattheFULLCOLDlineinthereservoir
afterpurging.Failuretoproperlyperformthis
procedurecanresultinirreparabledamagetothe
transaxledrivesystem.
RemovingHydraulic-System
Filters
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Allowtheenginetocool.
4.Locatethelterandguardsoneach
transaxle-drivesystem(Figure62).
5.Removethe3screwssecuringthelterguard
andguard(Figure62).
g017444
Figure62
Rightsideshown
1.Transaxledrive
4.Screws
2.Filter5.Ventplug
3.Filterguard
6.Carefullycleantheareaaroundthelters.
Important:Donotallowdirttoenterthe
hydraulicsystem,orcontaminationmay
occur.
7.Placeadrainpanbelowtheltertocatchthe
uidthatdrainswhenthelterandventplugs
areremoved.
8.Locateandremovetheventplugoneach
transmission
9.Unscrewtheltertoremoveit,andallowthe
uidtodrainfromthedrivesystem.
10.Repeatthisprocedureforbothlters.
50