W DOC AIRBUS | AMM A320F

Removal of the Air-Inlet Flap Mechanism

TASK 21-61-51-000-003-A
Removal of the Air-Inlet Flap Mechanism

WARNING: MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE. HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
NOTE: The procedure is the same for the left and the right air-inlet flap mechanism.
FIN: 28HH
FIN: 8HH
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
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
191BB, 192FB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 21-61-51-000-001-A
Removal of the Air-Inlet Flap Actuator
TASK 21-61-51-200-003-A
Air-Inlet Flap Mechanism - In-Service Wear Limits
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 53-35-13-000-002-A
Removal of the Quick-Release Access Panels from the Belly Fairing Structure
F Air-Inlet Flap Mechanism - Component Location
3. Job Set-up
Subtask 21-61-51-861-050-A
A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 21-61-51-865-059-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAIR COND/TEMP CTL/SYS 1 CHAN B/28VDC52HHD08
** ON A/C NOT FOR ALL
122VUAIR COND/PACK TEMP/CTL SYS1/2/115VAC21HHW22
122VUAIR COND/PACK TEMP/CTL SYS1/2/28VDC23HHW21
122VUAIR COND/PACK TEMP/CTL SYS1/1/115VAC1HHX22
122VUAIR COND/PACK TEMP/CTL SYS1/1/28VDC3HHX21
122VUAIR COND/PACK TEMP CTL SYS2/2/28VDC24HHY21
122VUAIR COND/PACK TEMP CTL SYS2/2/115VAC22HHY20
122VUAIR COND/PACK TEMP CTL SYS2/1/28VDC4HHY19
122VUAIR COND/PACK TEMP CTL SYS2/1/115VAC2HHY18
** ON A/C NOT FOR ALL
122VUAIR COND/TEMP CTL SYS 2/CHAN A/115VAC53HHW22
122VUAIR COND/TEMP CTL SYS 2/CHAN A/28VDC55HHW21
122VUAIR COND/TEMP CTL SYS 1/CHAN A/115VAC49HHX22
122VUAIR COND/TEMP CTL SYS 1/CHAN A/28VDC51HHX21
122VUAIR COND/TEMP CTL SYS 2/CHAN B/28VDC56HHY21
122VUAIR COND/TEMP CTL SYS 2/CHAN B/115VAC54HHY20
122VUAIR COND/TEMP CTL SYS 1/CHAN B/115VAC50HHY18
Subtask 21-61-51-941-051-A
C. Safety Precautions
   (1) On the panel 30VU:
     (a) Make sure that the APU BLEED and the ENG BLEED/1(2) pushbutton switches are released.
     (b) Put a warning notice to tell persons not to operate these pushbutton switches.
   (2) On the HP ground connector put a warning notice to tell persons not to supply the ground air.
Subtask 21-61-51-010-054-A
D. Get Access
   (1) Remove the access panel (Ref. AMM TASK 53-35-13-000-002).
     (a) For the Left air-inlet flap mechanism,
     (b) For the Right air-inlet flap mechanism,
   (2) Remove the air-inlet flap actuator (Ref. AMM TASK 21-61-51-000-001).
     (a) For the Left air-inlet flap mechanism,
  • 8HH
     (b) For the Right air-inlet flap mechanism,
  • 28HH
4. Procedure
Subtask 21-61-51-020-052-B
A. Removal of the Air-Inlet Flap Mechanism
   (1) Hold the air inlet flap in the fully open position.
   (2) Remove the nut (16), the washer (11), the bolt (7), the bushing (8) and disconnect the tie-rod (10).
   (3) Let the air inlet flap move to the closed position.
   (4) Remove the nut (16), the washer (11), the bolt (7), the bushing (8) and the tie-rod (10).
   (5) Remove and discard the cotter (21).
   (6) Remove the nut (20), the washer (19), the bushing (18), the bolt (1) and the lever (12).
   (7) Do the inspection of the applicable components for in-service wear limits (Ref. AMM TASK 21-61-51-200-003).
[Rev.10 from 2021] 2026.04.02 06:49:00 UTC
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