Toro 74942 - Page 55

ReplacingtheHydraulicFiltersand
HydraulicOil
ServiceInterval:Aftertherst250hours—Changethe
hydraulicltersandhydraulicoilwhen
usinganytypeofoil.
Every250hours—Changethehydraulicltersand
hydraulicoilwhenusingMobil
®
1oil(moreoftenin
dirtyordustyconditions).
Every500hours—Changethehydraulicltersand
hydraulicoilwhenusingToro
®
HYPR-OIL
™
500
hydraulicoil(moreoftenindirtyordustyconditions).
Toreplacethehydraulicoil,theltersneedtoberemoved.
Replacebothatthesametime.Refertotheoilspecications
underServicingtheHydraulicSystem(page54)forthe
correctoil.
1.Disengagetheblade-controlswitch(PTO),movethe
motion-controlleverstotheneutral-lockedposition
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Raisethemachineandsupportitwithjackstands
(Figure88).
Figure88
1.Jackstands
4.Removeboththemowerbeltandthepump-drivebelt.
Thiswillpreventoilgettingonthebelts.RefertoBelt
Maintenance(page49).
5.Placeadrainpanunderthelter,removetheoldlter
andwipethesurfaceclean(Figure89).
G008968
1
2
Figure89
BottomViewofMachine
1.Filterlocations
2.Hydrauliclter
6.Applyathincoatofhydraulicoiltotherubbergasket
onthereplacementlter(Figure89).
7.Installthereplacementhydrauliclter.
8.Installthepump-drivebeltandthemowerbelt.
9.Removethejackstandsandlowerthemachine(Figure
88).
10.Addoiltothehydraulicreservoirandcheckforany
leaks.
11.Cleanupanyspilledoil.
12.Starttheengineandletitrunforabouttwominutesto
purgeairfromthesystem.Stoptheengineandcheck
forleaks.
13.Checktheoillevelwhiletheoiliscold.
14.Ifrequired,addoiltothehydraulicreservoir.Donot
overll.
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