COMAC ARJ21-700 - External Power for Airplane - Energize Electrical - Energize Electrical Network

ARJ21-SVV19-13120-00
RampServicingOperation
Instruction
Externalpowerforairplane-Energizeelectrical-Energizeelectrical
network
1.CommonInformation
A.Thisprocedureprovidesforsupplyingtheexternalpoweroftheaircraft.
2.PreliminaryRequirements
WorkZones
ZoneLocation
213Cockpit-Left
AccessPanels
NumberName
113ALExternalPowerReceptacleAccessPanel
3.Procedures
A.Procedure
(1)Beforesupplytheexternalpower.fortheaircraft,conrmwiththesitemaintenanceoperator,
canstartworking.
(2)OpenExternalPowerReceptacleAccessPanel113AL.
(3)Beforeyousupplyexternalpowertotheaircraft,makesuretheexternalpowercrewoperates
normallyanddoavisualinspectionoftheelectricalharness,connectorandtheexternalelec-
tricalpowerreceptacle.
(a)Makesurethatthereisnodamaged,contaminationorablationontheelectricalharness.
(b)Makesurethereisnoablation,indentation,bendandnowateraccumulationofthepin.
(c)Makesurethereisnooverheatordeformationontheexternalpowerreceptacle.
CAUTION:DONOTUSEHOOKSTOHANGTHEEXTERNALPOWERPLUGONTHEAIRCRAFT
SKIN。 。
。
(4)Connecttheexternalpowertotheexternalpowerreceptacle,theexternalpowercablerelease
sufcientmargin.
(5)Turnontheexternalpowergenerator.
NOTE:
Followmanufacturer”sinstructionstoturnontheexternalpowerpushbutton.
(6)Energizeforaircraft.
(a)MakesurethattheAVAILindicatorlightontheaircraftexternalpowerreceptacleboard
comesonandINUSEindicatorlightisOFF.
(b)MakesurethattheAVAILindicatorlightontheELECPWRcontrolpanelincockpitisON.
(c)MakesurethattheAVAILindicatorlightonthegroundservicepowercontrolpanelincock-
pitisON.
(7)PresstheEXTPWRpushbuttonontheELECPWRcontrolpanelincockpit.
ARJ21-A-13-12-27-01A-761A-A
Issue001,2023-01-29
Applicableto:ALL
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