COMAC ARJ21-700 - Page 194

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ARJ21-SVV19-13120-00

RampServicingOperation

Instruction

NOTE:

Ifthewaterpressureislow,thewastetankwillnotgetcleanedthoroughly.

(4)Flushthewastetank.

NOTE:

Flushthewastetankwith10to50Lofwater.

NOTE:

Feeltherinsewaterhosetomakesurethattheliquidowsintothewastetank.

(5)Makesurethatthewastetankdrainsfully.

(6)Resetthewastetankdrainballvalvelevertoclosethewastetankdrainballvalve.

C.Finalprocedure

(1)CloseWasteServiceDoor161ALW.

(2)Makesurethattheworkareaisclean.Removealltools,equipmentandunwantedmaterials

fromtheworkarea.

ARJ21-A-13-12-24-01A-228A-A

Issue001,2023-01-29

Page2of3

Applicableto:ALL