DOC AIRBUS | AMM A320FRemoval of the Avionics Equipment Ventilation Computer (AEVC)
TASK 21-26-34-000-001-A
Removal of the Avionics Equipment Ventilation Computer (AEVC)
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 21-26-34-861-050-A
Subtask 21-26-34-020-051-A
[Rev.10 from 2021]
2026.04.02 06:11:03 UTC
Removal of the Avionics Equipment Ventilation Computer (AEVC)
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 | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 128 | REAR AVIONIC COMPARTMENT |
| 824 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
Avionics Equipment Ventilation Computer (AEVC)Subtask 21-26-34-861-050-A
A. Energize the ground service network
Subtask 21-26-34-865-050-A CAUTION:
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.
(1) Energize the ground service network from the external power (Ref. AMM TASK 24-42-00-861-001). B. Open, safety and tag this(these) circuit breaker(s):
Subtask 21-26-34-010-050-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 21-26-34-020-051-A
A. Removal of the AEVC
(1) Loosen the nut (4).
(2) Lower the nut (4).
(3) Pull the AEVC (1) on its rack (3) to disconnect the electrical connector (2).
(4) Remove the AEVC (1) from its rack (3).
(5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(1) Loosen the nut (4).
(2) Lower the nut (4).
(3) Pull the AEVC (1) on its rack (3) to disconnect the electrical connector (2).
(4) Remove the AEVC (1) from its rack (3).
(5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.