Toro Groundsmaster 360 - Filtering the Closed-Loop Traction Circuit

FilteringtheClosed-LoopTractionCircuit
g036058
Figure61
1.PortA4.PortD
2.PortB5.Balancinghose
3.PortC
Filteringaclosed-loophydraulicsystemafteramajorcomponentfailure(e.g.,
transmissionpistonpumporwheelmotor)isnecessarytopreventunwanted
materialfromtransmittingthroughoutthesystem.Ifaclosed-loophydraulic
systemlteringtoolisnotusedtoensurethesystemcleanliness,repeatfailures,
aswellassubsequentdamagetootherhydrauliccomponentsintheaffected
system,willoccur.Toeffectivelyremovethecontaminationfromtheclosed-loop
tractioncircuit,usetheT orohighowhydrauliclterandhydraulichosekits
(refertoSpecialT ools(page4–27)).
1.Parkthemachineonalevelsurface,shutoftheengine,andremovethekey
fromthekeyswitch.
IMPORTANT
Beforeliftingthemachinewithajack,reviewandfollowJacking
Instructions(page1–7).
2.Liftandsupportthemachinesothatallthewheelsareofftheground.
Note:Ifthewheelmotorwasreplaced,installahigh-owltertotheinlet
ofthenewmotorinsteadoftothetransmission.Thiswillpreventsystem
contaminationfromenteringanddamagingthenewwheelmotor.
3.Cleantheareaaroundthetractioncircuithosesonthetopofthetransmission
(Figure61).Determinewhichpistonpumpcircuitistobeltered.
4.Disconnectthehydraulichosefromthetransmissionpumpinletttingforthe
pistonpumptobeltered(Figure61).
PistonPumptobeFilteredPumpInlet
RightsidepumpPortB
Leftsidepump
PortD
5.ConnecttheTorohighowhydrauliclterinseriesbetweenthepumpinlet
ttinganddisconnectedhose.Usethehydraulichosekit(refertoSpecial
Tools(page4–27))toconnecttheltertothemachine.Ensurethatthehose
connectionsareproperlytightened.
HydraulicSystem:ServiceandRepairs
Page4–72
Groundsmaster360
16225SLRevC