DOC AIRBUS | AMM A320FRemoval of the Avionics Ventilation Fans Speed Controller
TASK 21-26-35-000-001-A
Removal of the Avionics Ventilation Fans Speed Controller
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 21-26-35-861-050-A ** ON A/C NOT FOR ALL Subtask 21-26-35-865-050-A ** ON A/C NOT FOR ALL
Subtask 21-26-35-020-050-A ** ON A/C NOT FOR ALL
[Rev.9 from 2019]
2026.04.02 06:11:03 UTC
Removal of the Avionics Ventilation Fans Speed Controller
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. Reason for the JobSelf 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 |
|---|---|
| 126 | LATERAL AVIONIC COMPARTMENT |
| 822 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
Avionics Ventilation Fans Speed ControllerSubtask 21-26-35-861-050-A ** ON A/C NOT FOR ALL Subtask 21-26-35-865-050-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 21-26-35-010-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR 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 |
| 123VU | AVNCS VENT/BLOWER/FAN | 1HQ | AD10 |
| 123VU | AVNCS VENT/EXTC/FAN | 2HQ | AE02 |
C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822.
(2) Open the access door 822.
4. Procedure(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822.
(2) Open the access door 822.
Subtask 21-26-35-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Fans Speed Controller
(1) Disconnect the electrical connectors (2).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the nuts (4) and the washers (3).
(4) Remove the controller (1).
(1) Disconnect the electrical connectors (2).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the nuts (4) and the washers (3).
(4) Remove the controller (1).