Every500hours—Changethehydraulic
ltersandhydraulicuidwhenusingT oro
®
HYPR-OIL
™
500hydraulicuid(moreoftenin
dirtyordustyconditions).
Toreplacethehydraulicuid,theltersneedtobe
removed.Replacebothatthesametime;referto
ServicingtheHydraulicSystem(page65)fortheuid
specications.
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andengagetheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Raisethemachineandsupportitwithjack
stands(Figure86).
g008970
Figure86
1.Jackstands
4.Removeboththemowerbeltandthepump-drive
belt;refertoReplacingtheMowerBelt(page
60)andReplacingtheHydraulicPump-Drive
Belt(page61).
Note:Thispreventsuidfromgettingonthe
belts.
5.Placeadrainpanunderthelter,removethe
oldlter,andwipethesurfaceclean(Figure87).
g008968
Figure87
Bottomviewofthemachine
1.Filterlocations
2.Hydrauliclter
6.Applyathincoatofhydraulicuidtotherubber
gasketonthereplacementlter(Figure87).
7.Installthereplacementhydrauliclter.
8.Installthepump-drivebeltandthemowerbelt.
9.Removethejackstandsandlowerthemachine
(Figure86).
10.Adduidtothehydraulicreservoirandcheck
foranyleaks.
11.Cleanupanyspilleduid.
12.Starttheengineandletitrunforabout2minutes
topurgeairfromthesystem.
13.Shutofftheengineandcheckforleaks.
14.Checktheuidlevelwhiletheuidiscold.
15.Ifrequired,addoiltothehydraulicreservoir.
Note:Donotoverll.
66