Toro 30447N - Checking the Hydraulic Lines and Hoses; Adjusting the Counterbalance Pressure

CheckingtheHydraulicLines
andHoses
ServiceInterval:Every2years
Inspectthehydrauliclinesandhosesdailyforleaks,kinked
lines,loosemountingsupports,wear,loosettings,weather
deterioration,andchemicaldeterioration.Makeallnecessary
repairsbeforeoperating.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Makesureallhydraulicuidhosesandlinesare
ingoodconditionandallhydraulicconnections
andttingsaretightbeforeapplyingpressureto
thehydraulicsystem.
•Keepyourbodyandhandsawayfrompin
holeleaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulicleaks.
•Safelyrelieveallpressureinthehydraulicsystem
beforeperforminganyworkonthehydraulic
system.
•Seekimmediatemedicalattentionifuidis
injectedintoskin.
AdjustingtheCounterbalance
Pressure
Thecounterbalancetestport(Figure76)isusedtotest
thepressureinthecounterbalancecircuit.Recommended
counterbalancepressureis470psi(3241kPa).Toadjust
thecounterbalancepressure,loosenthelocknut,rotatethe
adjustingscrew(Figure76)clockwisetoincreasethepressure
orcounterclockwisetodecreasethepressureandtighten
thelocknut.
Note:Allthreesidecuttingunitscastorwheelsshould
remainonthegroundwithcounterbalanceapplied.
g011538
1 2
Figure76
1.Counterbalancetestport2.Counterbalanceadjusting
screw
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