Toro 04530 - Checking the Hydraulic Lines and Hoses; Checking the Leak Detector

CheckingtheHydraulic
LinesandHoses
WARNING
Hydraulicuidescapingunderpressurecan
penetrateskinandcauseinjury.
•Getimmediatemedicalhelpifuidis
injectedintoskin.
•Ensurethatallhydraulicuidhoses
andlinesareingoodconditionandall
hydraulicconnectionsandttingsaretight
beforeapplyingpressuretothehydraulic
system.
•Keepyourbodyandhandsawayfrom
pinholeleaksornozzlesthateject
high-pressurehydraulicuid.
•Usecardboardorpapertondhydraulic
leaks.
•Safelyrelieveallpressureinthehydraulic
systembeforeperforminganyworkonthe
hydraulicsystem.
Checkthehydrauliclinesandhosesdailyfor
leaks,kinkedlines,loosemountingsupports,wear,
loosettings,weatherdeterioration,andchemical
deterioration.Makeallnecessaryrepairsbefore
operatingthemachine.
CheckingtheLeakDetector
Theleakdetectorsystemisdesignedtoassistinearly
detectionofhydraulic-uid-systemleaks.Iftheuid
levelinthemainhydraulicreservoirisloweredby
118to177ml(4to6oz),theoatswitchinthetank
willclose.Aftera1seconddelay,thealarmsounds,
alertingtheoperator(Figure48).Expansionofuid,
duetonormalheatingduringmachineoperation,
causestheuidtotransferintotheauxiliaryuid
reservoir.Theuidreturnstothemaintankwhenyou
turnofftheignitionswitch.
g229108
Figure46
BeforeStarting(uidcold)
1.Fillerplug5.Warningbuzzer—no
sound
2.Fillerneck
6.Fluidlevel(cold)
3.Overowtube7.Solenoid-returnvalve
(open)
4.Leak-detectortank8.Floatswitch
(raised—open)
g229109
Figure47
NormalOperation(uidwarm)
1.Fluidlevel(warm)
3.Warningbuzzer
2.Solenoid-returnvalve
(closed)
4.Floatswitch
(raised—open)
45