COMAC ARJ21-700 - Page 149

ARJ21-SVV19-13120-00
RampServicingOperation
Instruction
WARNING:DONOTUSEHIGH-PRESSURESPRAYEQUIPMENTTOCLEANMECHAN-
ICAL,ELECTRICAL,ORHYDRAULICCOMPONENTS.LIQUIDSTHATGET
INTOTHESEAREASCANCAUSECORROSION,FREEZEDURINGFLIGHT ,
ORDETERIORATIONOFLUBRICATINGOIL.
CAUTION:KEEPTHENOZZLEOFTHESPRAYEQUIPMENTATLEAST12IN(305MM)
AWAYFROMTHESURFACEOFTHEAIRPLANE.THESPRAYCANCAUSE
DAMAGETOTHESURFACE.
(b)Applywatertotheareathatyouwillclean.
(c)Applythecleanertotherelatedareawithnon-atomizingsprayequipment,swabs,or
brushes.
NOTE:
Topreventscratchesonthesurface,soakthebrushesinthecleaningagentbefore
youusethem.
(d)Lettheaircraftsurfacesoakedwiththecleanerforapproximately5min.Applythecleaner
againifnecessarytokeepthesurfacewet.
(e)Rubthesurfacewithabrushtohelpremoveunwantedcontaminants.
CAUTION:FLUSHTHESURFACECOMPLETELYTOREMOVEALLOFTHECLEANER.
OTHERWISE,THECLEANERCANCAUSECORROSIONTOTHEEQUIPMENT.
(f)Flushthesurfacewithcleanandwarmwater(160℉(71℃)maximum).
(g)Drythewetsurfacewithdryairortowels.
(3)Removecontaminantsaroundsensitivecomponents.
(a)T ocleantheaps/slats,extendthemtothefullydownposition.
(b)Selectthewatersolublecleaningagentfortheconditionofthesurfacethatyouwillclean.
WARNING:DONOTUSEHIGH-PRESSURESPRAYEQUIPMENTTOCLEANMECHAN-
ICAL,ELECTRICAL,ORHYDRAULICCOMPONENTS.LIQUIDSTHATGET
INTOTHESEAREASCANCAUSECORROSION,FREEZEDURINGFLIGHT ,
ORDETERIORATIONOFLUBRICATINGOIL.
(c)Applythecleaningagenttotherelatedareawithswabsorbrushes.
NOTE:
Topreventscratchesonthesurface,soakthebrushesinthecleaningagentbefore
youusethem.
(d)Letthecleanersoakforapproximately5min.
NOTE:
Applythecleaneragainifnecessarytokeepthesurfacewet.
CAUTION:DONOTREMOVETHEGREASEFROMMECHANICALJOINTS.THISGREASE
LUBRICATESTHEJOINTSANDPREVENTSCORROSION.
(e)Carefullyrubthesurfacewithacleanbrushtoremovecontaminants.
CAUTION:FLUSHTHESURFACECOMPLETELYTOREMOVEALLOFTHECLEANER.
OTHERWISE,THECLEANERCANCAUSECORROSIONTOTHEEQUIPMENT.
(f)Flushthesurfacewithcleanandwarmwater(160℉(71℃)maximum).
(g)Drythewetsurfaceswithdryairortowels(orairdry).
CAUTION:LUBRICATEALLTHEBEARINGSANDJOINTSINTHEAREAYOUCLEANED.
OTHERWISE,DAMAGETOTHECOMPONENTSINTHATAREAMAYOCCUR.
ARJ21-A-13-12-15-01A-250A-A
Issue001,2023-01-29
Applicableto:ALL
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