Toro 74268CP - Bleeding the Hydraulic System; Checking the Hydraulic Hoses

Figure72
1.Hydrauliclter
3.Adapter
2.Gasket
ReplacingtheCoolingFanHydraulic
Filter
ServiceInterval:Every500hoursorafteranypartof
thehydrauliccoolingfansystemis
repairedorreplaced.
1.Placedrainpanunderlter,removethehydraulic
hosefromthelter(Figure73).
2.Removethecoolingfanhydrauliclterfromthe
T-ttingonthebottomofthelter(Figure73).
Figure73
1.Coolingfanhydrauliclter
3.Hydraulichose
2.Backofmachine4.T-tting
3.InstalltheltertotheT-ttingonthebottomand
thehydraulichosetothetop(Figure73).
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.
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Ifhydraulicuidisinjectedintotheskin
itmustbesurgicallyremovedwithinafew
hoursbyadoctorfamiliarwiththistypeof
injury.Gangrenemayresultifthisisnot
done.
•Keepbodyandhandsawayfrompinhole
leaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Makesureallhydraulicuidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretohydraulicsystem.
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