Toro 30607 - Checking the Hydraulic Lines and Hoses; Adjusting the Counterbalance Pressure

g020461
Figure101
1.Hydrauliclter
6.Oncethereservoirislled,starttheengine
andletitrunatlowidleforapproximatelytwo
minutes.Activatesteeringandraise/lower
cuttingunitsseveraltimestopurgeairfromthe
system.Stoptheengineandcheckforleaks.
CheckingtheHydraulic
LinesandHoses
ServiceInterval:Every2years
Inspectthehydrauliclinesandhosesdailyfor
leaks,kinkedlines,loosemountingsupports,wear,
loosettings,weatherdeterioration,andchemical
deterioration.Makeallnecessaryrepairsbefore
operating.
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Makesureallhydraulicuidhosesand
linesareingoodconditionandallhydraulic
connectionsandttingsaretightbefore
applyingpressuretothehydraulicsystem.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthatejecthigh
pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
•Seekimmediatemedicalattentionifuid
isinjectedintoskin.
Adjustingthe
CounterbalancePressure
Thecounterbalancetestport(Figure102)isused
totestthepressureinthecounterbalancecircuit.
Recommendedcounterbalancepressureis2241kPa
(325psi).T oadjustthecounterbalancepressure,
loosenthelocknut,rotatetheadjustingscrew
(Figure102)clockwisetoincreasethepressure
orcounterclockwisetodecreasethepressureand
tightenthelocknut.Theenginemustberunning,the
deckloweredandinoattocheckpressure.
Note:Thecastorwheelsofallthreecuttingunits
shouldremainonthegroundwhenadjustingthe
counterbalanceandwithcounterbalanceapplied.
g020446
Figure102
1.Counterbalanceadjusting
screw
2.Counterbalancetestport
66