Toro 74995 - Replacing the Hydraulic Filters and Hydraulic Oil

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(page65)fortheoil
specications.
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Raisethemachineandsupportitwithjack
stands(Figure93).
g008970
Figure93
1.Jackstands
4.Removeboththemowerbeltandthepump-drive
belt;refertoReplacingtheMowerBelt(page
60)andReplacingtheHydraulic-PumpDrive
Belt(page61).
Note:Thispreventsoilfromgettingonthe
belts.
5.Placeadrainpanunderthelter,removethe
oldlter,andwipethesurfaceclean(Figure94).
g008968
Figure94
Bottomviewofthemachine
1.Filterlocations
2.Hydrauliclter
6.Applyathincoatofhydraulicoiltotherubber
gasketonthereplacementlter(Figure94).
7.Installthereplacementhydrauliclter.
8.Installthepump-drivebeltandthemowerbelt.
9.Removethejackstandsandlowerthemachine
(Figure93).
10.Addoiltothehydraulicreservoirandcheckfor
anyleaks.
11.Cleanupanyspilledoil.
12.Starttheengineandletitrunforabout2minutes
topurgeairfromthesystem.
13.Shutofftheengineandcheckforleaks.
14.Checktheoillevelwhiletheoiliscold.
15.Ifrequired,addoiltothehydraulicreservoir.
Note:Donotoverll.
66