W DOC AIRBUS | AMM A320F

Installation of the Fan Duct Panels [CFMB]


TASK 72-23-00-400-027-A
Installation of the Fan Duct Panels


FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 1M(3 FT)
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 95 and 85 lbf.in (1.07 and 0.96 m.daN ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.CP1039)
acetone
(Material No.CP1041)
isopropyl alcohol
(Material No.CP2011)
stoddard solvent
(Material No.CP2101)
graphite grease
(Material No.CP2559)
ardrox 552
(Material No.CP2560)
turco ind 79
(Material No.CP2566)
mag-chem teksol
(Material No.CP2584)
degreasol 99 R
(Material No.CP2656)
mag-chem skysol
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 71-13-00-010-040-B
Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-B
Closing of the Fan Cowl Doors
TASK 78-30-00-081-041-B
Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-481-041-B
Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-36-00-010-040-B
Opening of the Thrust Reverser Doors
TASK 78-36-00-410-040-B
Closing of the Thrust Reverser Doors
3. Job Set-up
Subtask 72-23-00-860-060-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) On the center pedestal, on ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
   (2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) is off.
   (3) Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
   (4) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 72-23-00-010-100-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-040):
   (2) FOR [1000EM1] (ENGINE-1)
437AL 438AR
   (3) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (4) Make sure that the thrust reverser doors are open (Ref. AMM TASK 78-36-00-010-040):
   (5) FOR [1000EM1] (ENGINE-1)
451AL 452AR
   (6) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 72-23-00-040-069-A ** ON A/C NOT FOR ALL
C. Make sure that the thrust reverser is unserviceable (Ref. AMM TASK 78-30-00-481-041).
Subtask 72-23-00-420-074-A ** ON A/C NOT FOR ALL
D. Before you install the fan duct panels, make sure that the Variable Bleed Valve (VBV) slides (10), (20) and (30) are in their correct locations.
F Fan Duct Panel ** ON A/C NOT FOR ALL
   (1) If not, do as follows:
     (a) Installation of the slides (10), (20) and (30) in the VBV cavities (Ref. FIG 401/Sheet 2)
       1 Make sure that the VBVs (70) are in the closed position.
       2 Remove the slides (10), (20) and (30) that are in their related cavities.
       3 Install the slides (10), (20) and (30) in their related positions.
         a Put each slide in its related cavity.
         b Fit the slots of the rubber seal (60) of the slide onto the heads of the scoop attachment bolts (50). To do this, use a locally-manufactured plastic rod (Ref. FIG 401/Sheet 3 and Sheet 4).
4. Procedure
Subtask 72-23-00-420-063-A ** ON A/C NOT FOR ALL
A. Installation of the fan duct panels.
   (1) Clean the fan frame cavity and the fan duct panels with acetone (Material No.CP1039) or isopropyl alcohol (Material No.CP1041) or stoddard solvent (Material No.CP2011) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) at the RTV contact area between the fan frame /fan duct panel.
   (2) Install the captive screws (150) the washers (180) and the retaining bushings (170) on the fan duct panel (160).
   (3) Apply a thin layer of graphite grease (Material No.CP2101) to the threads of the screws (150), and install the panel (160).
   (4) Install the panel on the bleed valve cavity and attach it with captive screws.
   (5) TORQUE screws to between 95 and 85 lbf.in (1.07 and 0.96 m.daN ) T.
5. Close-up
Subtask 72-23-00-410-080-A ** ON A/C NOT FOR ALL
Subtask 72-23-00-440-060-A ** ON A/C NOT FOR ALL
B. Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-081-041).
Subtask 72-23-00-410-089-A ** ON A/C NOT FOR ALL
C. Close Access
   (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-040):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (2) Remove the access platform(s).
   (3) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 12:59:50 UTC