DOC AIRBUS | AMM A320FRemoval of the Conditioned Air Inlet-Valve
TASK 21-26-54-000-001-A
Removal of the Conditioned Air Inlet-Valve
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 21-26-54-020-050-B
[Rev.10 from 2021]
2026.04.02 06:11:09 UTC
Removal of the Conditioned Air Inlet-Valve
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 2M (6 FT) - ADJUSTABLE |
| No specific | AR | CAP - BLANKING |
| No specific | AR | PLUG - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 127 | REAR AVIONIC COMPARTMENT |
| 824 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
Conditioned Air Inlet-ValveCAUTION:
USE ONLY THE GROUND SERVICE NETWORK TO SUPPLY ELECTRICITY BECAUSE THE AVIONICS VENTILATION SYSTEM IS NOT SERVICEABLE. IF YOU ENERGIZE THE AIRCRAFT ELECTRICAL CIRCUITS WITHOUT THE VENTILATION SYSTEM YOU WILL CAUSE DAMAGE TO ELECTRICAL EQUIPMENT.
Subtask 21-26-54-861-050-A Subtask 21-26-54-865-050-A B. Open, safety and tag this(these) circuit breaker(s):
Subtask 21-26-54-010-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 49VU | AIR COND/AVNCS VENT/CTL | 6HQ | D06 |
| 49VU | AIR COND/AVNCS VENT/CTL | 5HQ | D05 |
| 122VU | AIR COND/AVNCS/VENT/MONG | 3HQ | Y17 |
C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 824.
(2) Open the access door 824.
4. Procedure(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 824.
(2) Open the access door 824.
Subtask 21-26-54-020-050-B
A. Removal of the Conditioned Air Inlet-Valve
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the clamps (4) and (2):
(a) Do not discard the clamps (4) and (2). You must keep and use them during the installation procedure.
(5) Remove the clamp (8) and the valve (6).
(6) Remove and discard the O-ring (7).
(7) Remove the flexible sleeve (3).
(8) Put the PLUG-BLANKING in each disconnected line end.
CAUTION:
MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
(1) Disconnect the electrical connector (5) from the valve (6). (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the clamps (4) and (2):
(a) Do not discard the clamps (4) and (2). You must keep and use them during the installation procedure.
NOTE: The quantity of the clamps (4) and (2) are not same for all the aircraft configurations.
(4) Move the flexible sleeve (3) on the pipe (1) to release the valve (6). (5) Remove the clamp (8) and the valve (6).
(6) Remove and discard the O-ring (7).
(7) Remove the flexible sleeve (3).
(8) Put the PLUG-BLANKING in each disconnected line end.