COMAC ARJ21-700 - Page 91

ARJ21-SVV19-13120-00
RampServicingOperation
Instruction
NamePartnumberQTYRemarks
TotalAirTemperatureSensor
Cover
610A240-B1
Null
IceDetectorCover610A100-C2
Null
(Opt:IceDetectorCover)(Opt:SBE2080)
(Opt:IceDetectorCover)(Opt:610A100-D)
BlankingCapofEngine
Anti-IceDuctExhaust
604C5900-0012
Null
(Opt:BlankingCapofEngine
Anti-IceDuctExhaust)
(Opt:610A340-A)
RamAirOutletProtective
Cover
610A330-A2
Null
3.Procedures
WARNING:1、 、
、
PITOT/STATICPRESSUREPROBECOVERSMUSTBEVISIBLEFROMTHE
GROUNDANDAWARNINGNOTICEINSTALLEDONTHELEFTCONTROLWHEEL.2、 、
、
PITOT/STATICPRESSUREPROBECOVERSMUSTBEREMOVEDBEFOREFLIGHT.
OTHERWISE,MAYLEADTOLOSSOFSAFEFLIGHT.
CAUTION:WHENEVERANOPENINGISCOVERED,MAKESURETHATTHECOVERISVISIBLE
FROMTHEGROUND.ENGINESSHOULDNOTBEOPERATEDWITHCOVERSINPLACE
BECAUSETHECOVERSCANCOMEOFFANDDAMAGETHEENGINES.
CAUTION:MAKESURETHECOVERISINGOODWORKINGCONDITIONWITHNOEVIDENCE
OFDAMAGE,ESPECIALLYFRAYINGAROUNDTHECOVEROPENING.FRAYED
FIBERSFROMTHECOVERCOMBINEDWITHOTHERSUBSTANCES(SUCHASSAND,
GREASE,ETC.)CANCAUSEOBSTRUCTIONINTHEPROBE.
CAUTION:COUNTTHENUMBEROFPINSONTHEPROTECTIVECOVERDURINGINSTALLATION
ANDREMOVAL.MAKESURETHATTHEPINSAREWELLCONNECTEDWITHTHEPRO-
TECTIVECOVER.SEPARATIONOFPINSMAYCAUSEDAMAGETOTHEENGINEOR
THEAIRPLANE.
CAUTION:DURINGINSTALLATIONANDREMOVALOFTHEAOASENSORCOVER,DONOTAP-
PLYFORCETOTHEVANEBLADESORDRAGTHEVANEBLADES.OTHERWISE,DAM-
AGETOTHESENSORCANOCCUR.
A.Procedure
(1)Removetheprotectiveequipmentandwarningtagsfromthefollowingcomponents:
(a)Allpitot-staticprobes
(b)Engineinlet
(c)Engineexhaustnozzle
NOTE:
Aftertheengineexhaustnozzleblankingcapisremoved,installthescrew
(NAS1155E5)backontothethrustreverserwithatorqueof100lbf.n-130lbf.in
(11.3N.m-14.7N.m).
(d)APUexhaustport
ARJ21-A-13-12-06-01A-522A-A
Issue001,2023-01-29
Applicableto:ALL
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