JLG X20JPLUS - Aerial Part Hydraulic Distributor

76
BoomLiftModels X20JPLUS
EMERGENCYDEVICE
MUX20JP021602
–Thecentral(neutral) positionoftheselectorenablesthe useoftheprimary
remotecontrolinthebasket.
–Turningclockwiseandholdingitinpositionenablestheemergencycon‐
trolpositionandenergises themainproportionalvalveonthehydraulic
system for moving the arms. On the Lithium version, it also starts the
electr
icmotor.Themainproportionalvalvecanonlybeenabledifallthe
conditionsthatallowthemovementoftheaerialparthave beensatisfied.
Thisissignalledbythe icononthe remotecontrolinposition5ʺDisplay
(p. 55)ʺ,andrepeatedonthispanelbythegreenlightcomingon.
–Turninganticlockwiseenablesthecontrolpo
sitionformaintenanceusing
theremotecontrolontheground;thisoptioncanonlybeusedformainte‐
nanceoperationsandforittobeenabledtheprimaryremotecontrolmust
beinthebasketortheremotecontrolcable inthebasketmust beconnected
tothespeci
aladapter.Toconnectionoftheremotecontroltotheground,
anditsuseseeʺMaintenancecontrolpositionwithremotecontrolfromthe
ground(p. 144)ʺ.
•EmergencySTOP.Ifpressedstopsthe motorandstopsthemachine.Tomake
themachineoperationalagain,thebuttonmustbeturnedandreleased.
•STARTBUTTONS:Enablethesel
ectedengine/motortobestarted,provided
thatalltheemergencystopbuttonshavebeenreleasedandalltheconditionsne‐
cessaryforthestartoftheengine/motoraresatisfied.
10.5.2.Aerialparthydraulicdistributor
Thehydraulicdistributorisfittedwithleversandbuttonsfortheselectionofthe
requiredmovement,itsdirectionandsp
eed.Thestructureismovedbyusingthe
leversafterholdingthekeyinposition.
Themeaningsoftheleversonthedistributoraredescribedbelow: