COMAC ARJ21-700 - External Power for Airplane - De-energize Electrical - De-energize Electrical Network

ARJ21-SVV19-13120-00
RampServicingOperation
Instruction
Externalpowerforairplane-De-energizeelectrical-De-energize
electricalnetwork
1.CommonInformation
A.Thisprocedureprovidesfordisconnectingtheexternalpowersupplyfromtheaircraft.
2.PreliminaryRequirements
WorkZones
ZoneLocation
213Cockpit-Left
AccessPanels
NumberName
113ALExternalPowerReceptacleAccessPanel
3.Procedures
A.MainProcedure
(1)Conrmtheaircraftcongurationwiththesitemaintenanceoperator,andcandisconnectthe
externalpower.
(2)MakesurethattheAVAILindicatorlightontheaircraftexternalpowerreceptacleboardcomes
onandINUSEindicatorlightgoesout.
(3)MakesurethattheAVAILindicatorlightontheELECPWRincockpitcontrolpanelcomeson.
(4)MakesurethattheAVAILindicatorlightonthegroundservicepowerincockpitcontrolpanel
comeson.
(5)Turnofftheexternalpowerpushbutton.
NOTE:
Followmanufacturer’sinstructionstoturnofftheexternalpowerpushbutton.
(6)Disconnecttheexternalpowerconnector.
(7)OpenExternalPowerReceptacleAccessPanel113AL,andmakesuretheclipisclosedin
place.
(8)Retracttheexternalpowercable.
NOTE:
Iftheexternalpowercableisnotrecoveredproperly,itmaybedamagetheaircraft.
B.Finalprocedure
(1)Makesurethattheworkareaisclean.Removealltools,equipmentandunwantedmaterials
fromtheworkarea.
ARJ21-A-13-12-26-01A-561A-A
Issue001,2023-01-29
Applicableto:ALL
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