W DOC AIRBUS | AMM A320F

Removal of the Aft Pylon Fairing (APF)

TASK 54-56-00-000-803-A
Removal of the Aft Pylon Fairing (APF)

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND THE RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
CAUTION: BEFORE YOU INSTALL/REMOVE THE GSE-TOOL, READ THE INSTRUCTIONS IN THE APPLICABLE GSE INSTRUCTION MANUAL. WHILE YOU OPERATE THIS TOOL, CAREFULLY OBEY THEM. IF YOU DO NOT OBEY THE INSTRUCTIONS, DAMAGE TO EQUIPMENT CAN OCCUR.
ZONE: 470
ZONE: 480
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 3M (10 FT)- ADJUSTABLE
No specific
AR
WARNING NOTICE(S)
98D54403004000
1
R/I PYLON APF
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
470
ENGINE 1 AFT PYLON
480
ENGINE 2 AFT PYLON
473AL, 473AR, 483AL, 483AR
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL, 462AR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 54-54-00-000-806-A
Removal of the Rear Pylon Fairing (RPF) - Aft Pylon Fairing (APF) Closing Assembly
TASK 54-57-22-000-815-A
Removal of the Rear Mount Fairing (RMF) Door
TASK 71-13-00-010-803-A
Opening of the Fan Cowl Doors
TASK 78-30-00-040-807-A
Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU)
TASK 78-36-00-010-806-A
Opening of the Thrust Reverser Cowl Doors
F APF
F Aft Pylon Fairing (APF) Removal and Installation tool
3. Job Set-up
Subtask 54-56-00-941-065-A
A. Safety Precautions
   (1) On the center pedestal, on ENG panel 115VU:
     (a) Make sure that the ENG/MODE selector switch is in the NORM position.
     (b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
     (c) Put the WARNING NOTICE(S) in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.
   (2) On the ENG section of maintenance panel 50VU:
     (a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
     (b) Put the WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 54-56-00-040-065-A
B. Deactivation of the Thrust Reverser
WARNING: MAKE SURE THAT THE THRUST REVERSER IS LOCKED. IF NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE INJURY TO PERSONNEL AND/OR DAMAGE TO THE REVERSER.
   (1) Make the thrust reverser unserviceable for maintenance (Ref. AMM TASK 78-30-00-040-807).
Subtask 54-56-00-010-058-A
C. Get Access
   (1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL and 438AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL and 448AR.
   (2) Open the thrust-reverser cowl doors (Ref. AMM TASK 78-36-00-010-806):
     (a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL and 452AR
     (b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL and 462AR.
   (3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position:
     (a) For the left pylon, at zone 470
     (b) For the right pylon, at zone 480.
Subtask 54-56-00-020-060-A
D. Removal of the Components
   (1) Remove the Rear Pylon Fairing (RPF) - Aft Pylon Fairing (APF) closing assembly (Ref. AMM TASK 54-54-00-000-806).
   (2) Remove the Rear Mount Fairing (RMF) doors (Ref. AMM TASK 54-57-22-000-815):
     (a) For the left pylon: 473AL and 473AR
     (b) For the right pylon: 483AL and 483AR.
4. Procedure
Subtask 54-56-00-020-061-B
CAUTION: WHEN YOU REMOVE THE SCREWS, MAKE SURE THAT YOU RECORD THE CORRECT POSITION OF EACH OF THEM. THE SCREWS HAVE DIFFERENT LENGTHS.
A. Removal of the APF
F APF
   (1) Put the 98D54403004000 R/I PYLON APF (10) in position below the APF (2).
F Aft Pylon Fairing (APF) Removal and Installation tool
   (2) Remove the screws (1).
   (3) If necessary, remove the forward strips (8):
     (a) Hold the forward strips (8) and remove the screws (7).
     (b) Remove the forward strips (8) from the APF (2).
   (4) Remove the nuts (9), the washers (10), the screws (4) and the washers (3).
   (5) Remove the screws (6) and the washers (5).
   (6) Remove the bolts (11).
   (7) Remove the APF (2) from the pylon.
[Rev.10 from 2021] 2026.04.01 12:49:27 UTC
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