Toro 30446 - Checking the Hydraulic Lines and Hoses; Adjusting the Counterbalance Pressure

CheckingtheHydraulicLines
andHoses
ServiceInterval:Every2years
Inspectthehydrauliclinesandhosesdailyfor
leaks,kinkedlines,loosemountingsupports,wear,
loosettings,weatherdeterioration,andchemical
deterioration.Makeallnecessaryrepairsbefore
operating.
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Makesureallhydraulicuidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.
•Keepyourbodyandhandsawayfrompin
holeleaksornozzlesthatejecthighpressure
hydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Seekimmediatemedicalattentionifuid
isinjectedintoskin.
AdjustingtheCounterbalance
Pressure
Thecounterbalancetestport(Figure76)isused
totestthepressureinthecounterbalancecircuit.
Recommendedcounterbalancepressureis470psi(3241
kPa).Toadjustthecounterbalancepressure,loosenthe
locknut,rotatetheadjustingscrew(Figure76)clockwise
toincreasethepressureorcounterclockwisetodecrease
thepressureandtightenthelocknut
Note:Allthreesidecuttingunitscastorwheelsshould
remainonthegroundwithcounterbalanceapplied.
g011538
1 2
Figure76
1.Counterbalanceadjusting
screw
2.Counterbalancetestport
50