ReplacingtheHydraulicFiltersand
HydraulicFluid
ServiceInterval:Aftertherst250hours—Changethe
hydraulicltersandhydraulicuidwhen
usinganytypeofoil.
Every250hours—Changethehydraulicltersand
hydraulicuidwhenusingMobil
®
1oil(moreoftenin
dirtyordustyconditions).
Every500hours—Changethehydraulicltersand
hydraulicuidwhenusingToro
®
HYPR-OIL
™
500
hydraulicoil(moreoftenindirtyordustyconditions).
Toreplacethehydraulicuid,theltersneedtoberemoved.
Replacebothatthesametime;refertoServicingtheEngine
Oil(page36)fortheoilspecications.
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Raisethemachineandsupportitwithjackstands
(Figure87).
Figure87
1.Jackstands
4.Removeboththemowerbeltandthepump-drive
belt;refertoReplacingtheMowerBelt(page50)and
ReplacingtheHydraulicPump-DriveBelt(page52).
Note:Thispreventsoilfromgettingonthebelts.
5.Placeadrainpanunderthelter,removetheoldlter,
andwipethesurfaceclean(Figure88).
Figure88
Bottomviewofthemachine
1.Filterlocations
2.Hydrauliclter
6.Applyathincoatofhydraulicuidtotherubbergasket
onthereplacementlter(Figure88).
7.Installthereplacementhydrauliclter.
8.Installthepump-drivebeltandthemowerbelt.
9.Removethejackstandsandlowerthemachine(Figure
87).
10.Addoiltothehydraulicreservoirandcheckforany
leaks.
11.Cleanupanyspilledoil.
12.Starttheengineandletitrunforabout2minutesto
purgeairfromthesystem.
13.Shutofftheengineandcheckforleaks.
14.Checktheoillevelwhiletheoiliscold.
15.Ifrequired,addoiltothehydraulicreservoir.
Note:Donotoverll.
56