ReplacingtheHydraulicFiltersand
HydraulicFluid
ServiceInterval:Aftertherst250hours—Changethe
hydraulicltersandhydraulicuid.
Every250hours—Changethehydraulicltersand
hydraulicuidwhenusingMobil
®
1uid(moreoften
indirtyordustyconditions).
Every500hours—Changethehydraulicltersand
hydraulicuidwhenusingToro
®
HYPR-OIL
™
500hydraulicuid(moreoftenindirtyordusty
conditions).
Toreplacethehydraulicuid,youneedtoremovethe
lters.Replacebothatthesametime;refertoServicingthe
HydraulicSystem(page59)fortheuidspecications.
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheNEUTRAL-LOCKposition,
andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Raisethemachineandsupportitwithjackstands
(Figure95).
Figure95
1.Jackstands
4.Removeboththemowerbeltandthepump-drive
belt;refertoReplacingtheMowerBelt(page54)and
ReplacingtheHydraulic-PumpDriveBelt(page55).
Note:Thispreventsoilfromgettingonthebelts.
5.Placeadrainpanunderthelter,removetheoldlter,
andwipethesurfaceclean(Figure96).
Figure96
Bottomviewofthemachine
1.Filterlocations
2.Hydrauliclter
6.Applyathincoatofhydraulicuidtotherubbergasket
onthereplacementlter(Figure96).
7.Installthereplacementhydrauliclter.
8.Installthepump-drivebeltandthemowerbelt.
9.Removethejackstandsandlowerthemachine(Figure
95).
10.Adduidtothehydraulicreservoirandcheckforany
leaks.
11.Cleanupanyspilleduid.
12.Starttheengineandletitrunforabout2minutesto
purgeairfromthesystem.
13.Shutofftheengineandcheckforleaks.
14.Checktheuidlevelwhiletheuidiscold.
15.Ifrequired,adduidtothehydraulicreservoir.
Note:Donotoverll.
60