W DOC AIRBUS | AMM A320F

Removal of the Air Inlet Flap-Assembly

TASK 21-61-51-000-004-A
Removal of the Air Inlet Flap-Assembly

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.
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, 191KB, 192FB, 192KB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 21-52-42-000-001-A
Removal of the Water Injector
TASK 21-61-51-000-002-A
Removal of the Air Inlet
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 - Component Location
3. Job Set-up
Subtask 21-61-51-861-055-A
A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 21-61-51-865-064-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 21-61-51-941-055-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 in position to tell persons not to operate these pushbutton switches.
   (2) On the HP ground connector put a warning notice in position to tell persons not to supply the ground air.
Subtask 21-61-51-010-055-A
D. Get Access
   (1) Remove the access panels (Ref. AMM TASK 53-35-13-000-002).
     (a) For the Left air inlet,
     (b) For the Right air inlet,
   (2) Remove the air inlet (Ref. AMM TASK 21-61-51-000-002).
   (3) Remove the water injector (Ref. AMM TASK 21-52-42-000-001).
4. Procedure
Subtask 21-61-51-020-053-B
A. Removal of the Air Inlet Flap
   (1) Hold the air inlet flap (20) and:
     (a) Remove the nut (2), the washer (3), the bolt (6) and the bush (5).
     (b) Disconnect the actuator (1) from the lever (4).
   (2) Move the air inlet flap-assembly (20) to the fully open position.
     (a) Remove the nut (12), the washer (11), the bolt (7) and the bush (8).
     (b) Disconnect the support rod (10) from the bracket (9).
     (c) Let the air inlet flap (20) go to the closed position.
   (3) Remove the screws (21).
   (4) Remove the nuts (26) and the washers (25).
   (5) Hold the air inlet flap (20) and:
     (a) Remove the bolts (22) and the bushes (23).
     (b) Move the air inlet flap (20) down and disconnect the connecting arms (28) from the housings (24).
   (6) Remove the air inlet flap (20).
   (7) Do the inspection of the applicable components for in-service wear (Ref. AMM TASK 21-61-51-200-003).
[Rev.10 from 2021] 2026.04.02 06:11:40 UTC
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