Toro Groundsmaster 7210 - Flushing the Hydraulic System

PrimingtheHydraulicPumps(continued)
g035022
Figure53
1.Startermotor
3.B+terminal
2.Startersolenoid
Note:AbluewireconnectstothestartermotorsolenoidB+terminal(Figure
53).Itisnotnecessarytoremovethisbluewirefromthesolenoidterminal
forhydraulicpumppriming.
3.Connecttheremotestarterswitchelectricalleadstothestartermotor
solenoidB+terminalandpositivepostofthebattery.
4.Engagetheremotestarterswitchandcrankthestarterfor30secondsto
primethehydraulicpumps.Waitfor30secondstoallowthestartermotorand
startersolenoidtocool.Repeatthecrankingprocedureforthesecondtime.
5.Disconnecttheremotestarterswitchleadsfromthestartermotorsolenoid
terminalandpositivepostofthebattery.
FlushingtheHydraulicSystem
IMPORTANT
Flushthehydraulicsystemwheneverthereisaseverecomponent
failureorthesystemiscontaminated(forexample,theuidappears
milky,black,orcontainsmetalparticles).
IMPORTANT
Ifacomponentfailureoccursinthetractioncircuit;refertothe
TractionCircuit(ClosedLoop)ComponentFailure(page4–12)for
informationregardingtheimportanceofremovingcontamination
fromthetractioncircuit.
1.Ensurethatthehydraulicuidisatnormaloperatingtemperatureby
operatingthemachineforatleast20minutes.
Groundsmaster7210
Page4–59
HydraulicSystem:ServiceandRepairs
16222SLRevC