Toro 08743 - Flushing the Hydraulic System

FlushingtheHydraulicSystem
IMPORTANT
Ifacomponentfailureoccursinthetractioncircuit;referto
FilteringtheClosed-loopTractionCircuit(page5–59)foradditional
information.
IMPORTANT
Flushthehydraulicsystemwheneverthereisaseverecomponent
failureorthesystemiscontaminated(forexample,theuidappears
milky,black,orcontainsmetalparticles).
1.Parkthemachineonalevelsurface,lowertheanyattachments,engage
theparkingbrake,setthekeyswitchtotheOFFpositionandremovethe
keyfromtheswitch.
2.ReadandadheretotheinformationprovidedinGeneralPrecautionsfor
RemovingandInstallingtheHydraulicSystemComponents(page5–54).
CAUTION
Flushthehydraulicsystemwiththehydraulicuidaswarmas
possible,buttopreventadditionalsystemdamage,DoNotoperatea
machinewithcontaminatedhydraulicuidtowarmtheuidbefore
draining.
IMPORTANT
Followalllocalcodesandregulationswhenrecyclingordisposing
thehydraulicuidandlters.
3.Drainthehydraulictankintoasuitablecontainer;refertothetractionunit
Operator’sManual.
4.Drainthehydraulicsystemhoses,tubes,liftcylindersandothercomponents
fromlowpointsinthesystem.
5.Removeandreplacethehydraulic-uidlter;refertothetractionunit
Operator’sManual.
6.Inspectandcleanhydraulictank.Removethehydraulictankifnecessary;
refertoRemovingtheHydraulicTank(page5–66).
7.Connectallthehydraulichoses,tubes,andcomponentsthatwere
disconnectedwhiledrainingthesystem;refertoInstallingHydraulicHoses
andTubes(O-RingFaceSealFitting)(page5–7).
IMPORTANT
Usingotherhydraulicuidscoulddamagethehydraulicsystem.Use
thehydraulicuidsthatarespeciedinthetractionunitOperator’s
Manual.
SandPro
®
3040and5040
Page5–57
HydraulicSystem:ServiceandRepairs
20251SLRevA