Toro 74902TE - Page 62

ReplacingtheHydraulicFilters
andHydraulicOil
ServiceInterval:Aftertherst250hours—Change
thehydraulicltersandhydraulicoil.
Every250hours—Changethehydrauliclters
andhydraulicoilwhenusingMobil
®
1oil(more
oftenindirtyordustyconditions).
Every500hours—Changethehydrauliclters
andhydraulicoilwhenusingT oro
®
HYPR-OIL
™
500hydraulicoil(moreoftenindirtyordusty
conditions).
Toreplacethehydraulicoil,youneedtoremove
thelters.Replacebothatthesametime;referto
ServicingtheHydraulicSystem(page61)fortheoil
specications.
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Raisethemachineandsupportitwithjack
stands(Figure90).
g008970
Figure90
1.Jackstands
4.Removeboththemowerbeltandthepump-drive
belt;refertoReplacingtheMowerBelt(page
56)andReplacingtheHydraulic-PumpDrive
Belt(page57).
Note:Thispreventsoilfromgettingonthe
belts.
5.Placeadrainpanunderthelter,removethe
oldlter,andwipethesurfaceclean(Figure91).
g008968
Figure91
Bottomviewofthemachine
1.Filterlocations
2.Hydrauliclter
6.Applyathincoatofhydraulicoiltotherubber
gasketonthereplacementlter(Figure91).
7.Installthereplacementhydrauliclter.
8.Installthepump-drivebeltandthemowerbelt.
9.Removethejackstandsandlowerthemachine
(Figure90).
10.Addoiltothehydraulicreservoirandcheckfor
anyleaks.
11.Cleanupanyspilledoil.
12.Starttheengineandletitrunforabout2minutes
topurgeairfromthesystem.
13.Shutofftheengineandcheckforleaks.
14.Checktheoillevelwhiletheoiliscold.
15.Ifrequired,addoiltothehydraulicreservoir.
Note:Donotoverll.
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