COMAC ARJ21-700 - Suction Defueling - Drain Fuel

ARJ21-SVV19-13120-00
RampServicingOperation
Instruction
Suctiondefueling-Drainfuel
1.CommonInformation
A.Thisprocedureprovidestheoperatingproceduresofsuctiondefueling.
2.PreliminaryRequirements
WorkZones
ZoneLocation
210STA37-STA148.55FwdAccessoryCompartmentand
Cockpit
610RightWingLeadingEdge
AccessPanels
NumberName
611CBInboardLeadingEdgeAccessDoorNo.3-Right
3.Procedures
A.Preparation
WARNING:MAKESURETHATTHEAIRPLANEISINASAFECONDITIONBEFOREYOUSTART
THEREFUEL/DEFUELPROCUDURE.IFYOUDONOTOBEYTHISWARNING,IN-
JURYTOPERSONSANDDAMAGETOEQUIPMENTCANOCCUR.
(1)Whendefuelingtheaircraft,youmustreadtheprecautionsandlimitsfortherefuel/defueloper-
ationcarefullyandobeyitstrictly.
(2)Dothetaskofaircraftstaticgrounding.
(3)Usebondingjumperstoconnecttherefuelvehicletoapprovedgroundingorbondingconnec-
tions.
CAUTION:DONOTOPERATETHEFLAP/SLATSYSTEMIFTHEACCESSPANEL611CBIS
OPENED.
(4)Openthis(these)accesspanel(s)InboardLeadingEdgeAccessDoorNo.3-Right611CB.
(5)SetthePOWERSELECTIONswitchontherefuel/defuelcontrolpaneltotheBATTERYposition.
NOTE:
Ifbatteryorexternalelectricalpowerisnotavailable,usethemagneticlevelindicatorto
measurefuelquantity.
B.Procedure
(1)Dothethesestepstosuctiondefueltheaircraft:
(a)Removetherefuel/defueladaptercap.
(b)Connecttherefuelnozzletotherefuel/defueladapter.Rotatethehandleattheendofthe
refuelnozzletoopentheshutoffvalve.
(c)Settherelatedswitchesontherefuel/defuelcontrolpaneltothefollowingpositions:
ARJ21-A-13-12-18-02A-221A-A
Issue001,2023-01-29
Applicableto:ALL
Page1of4