Toro 74943 - Page 66

ReplacingtheHydraulicFluidand
Filters
ServiceInterval:Aftertherst250hours—Change
thehydraulicltersandhydraulic
uidwhenusinganytypeofuid.
Every250hours—Changethehydrauliclters
andhydraulicuidwhenusingMobil
®
1uid
(moreoftenindirtyordustyconditions).
Every500hours—Changethehydraulic
ltersandhydraulicuidwhenusingT oro
®
HYPR-OIL
™
500hydraulicuid(moreoftenin
dirtyordustyconditions).
Toreplacethehydraulicuid,theltersneedtobe
removed.Replacebothatthesametime;referto
Hydraulic-FluidSpecications(page65)fortheoil
specications.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch,andengagetheparking
brake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Raisethemachineandsupportitwithjack
stands(Figure102).
g008970
Figure102
1.Jackstands
4.Removeboththemowerbeltandthepump-drive
belt;refertoReplacingtheMowerBeltfor
Side-DischargeMowerDecks(page59)or
ReplacingtheMowerBeltforRear-Discharge
MowerDecks(page60),andrefertoReplacing
theHydraulicPump-DriveBelt(page61).
Note:Thispreventsoilfromgettingonthe
belts.
5.Placeadrainpanunderthelter,removetheold
lter,andwipethesurfaceclean(Figure103).
g008968
Figure103
Bottomviewofthemachine
1.Filterlocations
2.Hydrauliclter
6.Applyathincoatofhydraulicuidtotherubber
gasketonthereplacementlter(Figure103).
7.Installthereplacementhydrauliclter.
8.Installthepump-drivebeltandthemowerbelt.
9.Removethejackstandsandlowerthemachine
(Figure102).
10.Adduidtothehydraulicreservoirandcheck
foranyleaks.
11.Cleanupanyspilleduid.
12.Starttheengineandletitrunforabout2minutes
topurgeairfromthesystem.
13.Shutofftheengineandcheckforleaks.
14.Checktheuidlevelwhiletheuidiscold.
15.Ifrequired,adduidtothehydraulicreservoir.
Note:Donotoverll.
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