COMAC ARJ21-700 - External Air Conditioning Facility - Disconnect Procedure

ARJ21-SVV19-13120-00
RampServicingOperation
Instruction
Externalairconditioningfacility-Disconnectprocedure
1.CommonInformation
A.Thisprogramprovidesthedisconnectionprocedurefortheexternalairconditioningfacility.
2.PreliminaryRequirements
WorkZones
ZoneLocation
166RecirculationFanCompartment-Right
AccessPanels
NumberName
162ARWGroundlow-pressureA/Cdoor
3.Procedures
A.Procedure
(1)Conrmwithmaintenancepersonnelbeforeremovethelow-pressuregroundairsource.
(2)Stopairsupplyrst,thenremovethelow-pressuregroundairsource,removetheaircondition-
inginterfacewhentheairpressureisreduced.
(3)Removethettingofthelow-pressuregroundpneumaticequipmentfromtheairbornelow-pres-
suregroundpneumaticinterface.
(4)Ifatieortapeisusedtoxthecoverofthegroundinterfacetothefuselage,removethecover.
(5)Closethegroundpneumaticinterfacecap.
(6)Closethis(these)accesspanel(s):Groundlow-pressureA/Cdoor162ARW
B.Finalprocedure
(1)Makesurethattheworkareaisclean.Removealltools,equipmentandunwantedmaterials
fromtheworkarea.
ARJ21-A-13-12-16-01A-510A-A
Issue001,2023-01-29
Applicableto:ALL
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