Toro Groundmaster Series - Filtering the Closed-loop Traction Circuit

FilteringtheClosed-loopTractionCircuit
Filteringofaclosed−loophydraulicsystemafteramajorcomponentfailure
(e.g.traction(piston)pumporwheelmotor)isrequiredtopreventdebrisfrom
transmittingthroughoutthesystem.Ifalteringtoolisnotused(toensurethat
thesystemisclean),repeatfailuresandsubsequentdamagetootherhydraulic
componentsinthesystemwilloccur.Toeffectivelyremovecontaminationfrom
theclosed−looptractioncircuit,useofaTorobidirectionalhighowhydraulic
lterandhydraulichosekitisrecommended;refertoHighFlowHydraulicFilter
Kit(page2–18).
1.Parkmachineonalevelsurface,lowerthecuttingunit(orattachment),set
thekeyswitchtotheOFFpositionandremovethekeyfromthekeyswitch.
2.ReadandadheretotheinformationprovidedinGeneralPrecautionsfor
RemovingandInstallingtheHydraulicSystemComponents(page5–52).
WARNING
ReviewandfollowtheJackingInstructions(page1–6)beforelifting
themachine.
3.Raisebothfrontwheelsfor2WDmachines,orall4wheelsfor4WDmachines
offtheoorandsupportthemachine.
4.Installthehydrauliclterdirectlyupstreamofthenewcomponenttoprevent
systemcontaminationfromenteringanddamagingthenewcomponent.
A.Ifthetraction(piston)pumporafrontwheelmotorwasreplaced,
thoroughlycleanbothendsofthehydraulictubeshowninFigure44,then
removethehydraulictubefromthemachine.
g299564
Figure44
1.Traction(piston)Pump
2.Hydraulictube
Groundsmaster
®
3200,3300and3310
Page5–57
HydraulicSystem:ServiceandRepairs
19240SLRevA