Toro 30605 - Replacing the Hydraulic Filters; Checking the Hydraulic Lines and Hoses; Adjusting the Counterbalance Pressure

ReplacingtheHydraulicFilters
ServiceInterval:Aftertherst200hours
Every800hours
UseTororeplacementltersPartNo.94-2621fortherear
(mowerdeck)ofthemachineandPartNo.75-1310forthe
front(charge)ofthemachine.
Important:Useofanyotherltermayvoidthewarranty
onsomecomponents.
1.Positionthemachineonalevelsurface,lowerthe
mowerdecks,shutofftheengine,engagetheparking
brakes,andremovetheignitionkey.
2.Replacethehydrauliclters(Figure74).
Figure74
3.Starttheengineandletitrunforabout2minutesto
purgeairfromthesystemandshutofftheengineand
checkforleaks.
CheckingtheHydraulicLines
andHoses
ServiceInterval:Every2years
Inspectthehydrauliclinesandhosesdailyforleaks,kinked
lines,loosemountingsupports,wear,loosettings,weather
deterioration,andchemicaldeterioration.Makeallnecessary
repairsbeforeoperatingthemachine.
AdjustingtheCounterbalance
Pressure
Thecounterbalancetestportisusedtotestthepressurein
thecounterbalancecircuit(Figure75).Therecommended
counterbalancepressureis2,241kPa(325psi).Toadjust
thecounterbalancepressure,loosenthelocknut,rotatethe
adjustingscrew(Figure75)clockwisetoincreasethepressure,
orcounterclockwisetodecreasethepressureandtightenthe
locknut.Theenginemustberunning,thedeckloweredand
intheoatpositiontocheckthepressure.
Note:Thecasterwheelsofall3mowerdecksshouldremain
onthegroundwhenadjustingthecounterbalanceandwith
counterbalanceapplied.
Figure75
1.Counterbalance-adjusting
screw
2.Counterbalance-testport
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