Toro Z Master 74958 - Hydraulic System Maintenance: Filters and Oil; Replacing Hydraulic Filters and Oil

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Figure83
Eitherdipstickisusedinthemachine
1.Full3.H—meanshighlevel
2.Add4.Dipsticklocationsunder
seat
WARNING
Hydraulicoilescapingunderpressure
canpenetrateskinandcauseinjury.
•Ifhydraulicoilisinjectedintothe
skin,itmustbesurgicallyremoved
withinafewhoursbyadoctorfamiliar
withthistypeofinjury.Gangrenemay
resultifthisisnotdone.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicoil.
•Usecardboardorpapertond
hydraulicleaks.
•Safelyrelieveallpressureinthe
hydraulicsystembeforeperforming
anyworkonthehydraulicsystem.
•Makesurethatallhydraulicoilhoses
andlinesareingoodconditionand
thatallhydraulicconnectionsand
ttingsaretightbeforeapplying
pressuretothehydraulicsystem.
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(page61)fortheoil
specications.
1.Disengagetheblade-controlswitch(PTO),move
themotion-controlleverstotheNEUTRAL-LOCK
position,andsettheparkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
3.Raisethemachineandsupportitwithjack
stands(Figure84).
g008970
Figure84
1.Jackstands
4.Removeboththemowerbeltandthepump-drive
belt;refertoReplacingtheMowerBelt(page
56)andReplacingtheHydraulic-PumpDrive
Belt(page58).
Note:Thispreventsoilfromgettingonthe
belts.
5.Placeadrainpanunderthelter,removethe
oldlter,andwipethesurfaceclean(Figure85).
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