15
SafetySystems
ListofSafetySystems1.
Reliefvalve
Protectthehydrauliccomponentsby
relievingabnormallyhighpressureinthe
hydraulicsystem.
Singleholdingvalve
onBoomelevationcylinder
Preventstheboomfromnaturaldescentin
theeventofhydraulichosebreakage.
Doubleholdingvalve
onBoomtelescopecylinder
Preventstheboomfromnaturaldescentin
theeventofhydraulichosebreakage.
Doubleholdingvalve
onUpperlevelingcylinder
Maintainstheplatformlevelintheeventof
hydraulichosebreakage.
Doubleholdingvalve
onFlyjibcylinder(ifequipped)
Preventstheflyjibfromnaturaldescentin
theeventofhydraulichosebreakage.
Footswitch
Theboom,flyjib(ifequipped),platformand
travelingfunctionsaredisabledunlessthe
footswitchisdepressed.
Footswitchcancelsystem
Thissystemcancelthefootswitch/
enableswitchifanyoftheboom,flyjib(if
equipped),platformandtravelingfunction
isnotoperatedmorethan20seconds,then
thepowerindicatorlightblinks.Releasethe
switchonceandthepowerindicatorlight
turnon,thenoperateagaintoenablethe
functions.
Enableswitch(Lowercontrol)
Theboom,flyjib(ifequipped)and
platformfunctionsfromthelowercontrols
aredisabledunlesstheenableswitchis
operated.
Emergencystopbutton
Stopsallofthemovementsofthemachine
whenthisbuttonispushedin.
Tiltalarmbuzzer
Thetiltalarmbuzzersoundswhenthe
machinetiltsmorethan5°.
Ifthetiltalarmbuzzersoundswhenthe
platformiselevated,immediatelyretract
theboom,andlowertheboomunderthe
horizontal,andmovetoafirm,levelsurface.
Travelspeedlimitsystem
Thissystemautomaticallylimitsthetravel
speedcorrespondingtovariousboom
statuses.
Forthespecificfunctionofthissystem,see
thesection“2.Travelspeedlimitsystem.”
Travelfunctionlimitsystem
Thissystemautomaticallydisablesthetravel
functioncorrespondingtotheboomstatus
andthetiltangleofthemachine.
Forthespecificfunctionofthissystem,see
thesection“3.Travelfunctionlimitsystem.”
Rotationlockpin
Fixestheturntabletothechassistoprevent
theturntablefrombeingrotatedwhen
transportingthemachine.
Emergencypump
Auxiliaryhydraulicpumpdrivenbythe
battery.Andusedtolowertheplatformin
theeventofengineormainpumpfailure.
Lanyardanchoragepoint
Thelanyardanchoragepointistohookthe
safetyharnessto,inordertopreventfalls.
Guardrail
Thereareguardrailsonallsidesofthe
platformtopreventpersonsintheplatform
fromfallingofftheplatform.
Theentrygateispartoftheguardrail
systemandmustbesecurelyfastenedafter
enteringtheplatform.
Overloadsensingsystem
Thissystemdisablesallofthefunctions,
OverloadwarninglightblinksandOverload
buzzersoundswhentheplatformis
overloaded.