ReplacingtheHydraulicFiltersand
HydraulicOil
ServiceInterval:Every250hours—Changethe
hydraulicltersandhydraulicoil
whenusingMobil
®
115W-50oil.
Every500hours—Changethe
hydraulicltersandhydraulicoil
whenusingToro
®
HYPR-OIL
™
500
hydraulicoil.
Toreplacethehydraulicoil,theltersneedtobe
removed.Replacebothatthesametime.
1.Disengagethebladecontrolswitch(PTO),movethe
motioncontrolleverstotheneutrallockedposition
andsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Raisethemachineandsupportitwithjackstands
(
Figure82).
Figure82
1.Jackstands
4.Removeboththemowerbeltandthepumpdrive
belt.Thiswillpreventoilgettingonthebelts.Refer
toBeltsintheMaintenanceSection.
5.Placeadrainpanunderthelter,removetheold
lterandwipethesurfaceclean(Figure83).
Figure83
BottomViewofMachine
1.Filterlocations
2.Hydrauliclter
6.Applyathincoatofhydraulicoiltotherubber
gasketonthereplacementlter(Figure83).
7.Installthereplacementhydrauliclter.
8.Installthepumpdrivebeltandthemowerbelt.
9.Removethejackstandsandlowerthemachine
(
Figure82).
10.Addoiltothehydraulicreservoirandcheckforany
leaks.
11.Cleanupanyspilledoil.
12.Starttheengineandletitrunforabouttwominutes
topurgeairfromthesystem.Stoptheengineand
checkforleaks.
13.Checktheoillevelwhiletheoiliscold.
14.Ifrequired,addoiltothehydraulicreservoir.Do
notoverll.
56