Toro Z580-D Z Master - Bleeding the Hydraulic System; Checking the Hydraulic Hoses

1.DisengagethePTO,movethemotioncontrollevers
totheneutrallockedpositionandsettheparking
brake.
2.Stoptheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
Important:Donotsubstituteautomotiveoil
lterorseverehydraulicsystemdamagemay
result.
3.Placedrainpanunderlter,removetheoldlter
andwipethelteradaptergasketsurfaceclean
(
Figure76).
Figure76
1.Hydrauliclter
4.Applyathincoathydrouidtotherubbergasketon
thereplacementlter(Figure77).
5.Ifchangingtheoil,allowthehydraulicoiltodrain
fromthetankwhentheoillterisremoved.
6.Installthereplacementhydrauliclterontothelter
adapter.Donottighten.
7.Fillthehydraulictankwithhydraulicuiduntilthe
uidoverowsthelterandthenturntheoillter
clockwiseuntiltherubbergasketcontactsthelter
adapter,thentightenthelteranadditional1/2turn
(
Figure77).
8.Cleanupanyspilleduid.
9.Adduidtothecoldlevelofthebafeinthe
hydraulictank.
10.Starttheengineandletitrunforabouttwominutes
topurgeairfromthesystem.Stoptheengineand
checkforleaks.Ifoneorbothwheelswillnotdrive,
refertoBleedingHydraulicSystem.
11.Rechecktheuidlevelwhiletheuidiswarm.The
uidshouldbebetweencoldandhot.
12.Ifrequired,adduidtothehydraulictank.Donot
overll.
Figure77
1.Hydrauliclter
3.Adapter
2.Gasket
BleedingtheHydraulicSystem
Thetractionsystemisselfbleeding,however,itmaybe
necessarytobleedthesystemifuidischangedorafter
workisperformedonthesystem.
1.Raiserearofthemachinesowheelsareoffthe
groundandsupportwithjackstands.
2.Starttheengineandrunatlowidlespeed.Engage
theleverandtractionononesideandspinthewheel
byhand.
3.Whenthewheelbeginstospinonitsown,keepit
engageduntilwheeldrivessmoothly.(minimum
2minutes)
4.Checkhydraulicuidlevelandaddasrequiredto
maintainproperlevel.
5.Repeatthisprocedureontheoppositewheel.
CheckingtheHydraulicHoses
ServiceInterval:Every100hours
Checkthehydraulichosesforleaks,loosettings,
kinkedlines,loosemountingsupports,wear,weather
andchemicaldeterioration.Makenecessaryrepairs
beforeoperating.
Note:Keepareasaroundthehydraulicsystemclean
fromgrassanddebrisbuildup.
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