DOC AIRBUS | AMM A320FRemoval of the Auxiliary Fuel Management Computer (AFMC)
TASK 28-51-35-000-001-A
Removal of the Auxiliary Fuel Management Computer (AFMC)
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 28-51-35-861-050-A ** ON A/C NOT FOR ALL
Subtask 28-51-35-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:18:18 UTC
Removal of the Auxiliary Fuel Management Computer (AFMC)
WARNING:
OBEY THE FUEL SAFETY PROCEDURES.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 120 | AVIONICS COMPARTMENT |
| 811 |
| REFERENCE | DESIGNATION |
|---|---|
| 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 28-00-00-910-001-A | Fuel Safety Procedures |
| TASK 52-41-00-010-002-A | Open the Avionics Compartment Doors for Access |
Auxiliary Fuel Management ComputerSubtask 28-51-35-861-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001).
(2) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(3) Put the WARNING NOTICE(S) on the panels that follow, to tell persons not to operate the fuel system:
Subtask 28-51-35-865-053-A ** ON A/C NOT FOR ALL (1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001).
(2) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(3) Put the WARNING NOTICE(S) on the panels that follow, to tell persons not to operate the fuel system:
- Refuel/Defuel panels 800VU and 801VU
- Fuel control panel 40VU
- Additional Center Tank (ACT) control panel 28VU.
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 28-51-35-010-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | AFMC SPLY | 3QN | B08 |
| 121VU | FUEL/AFMC/SPLY | 4QN | K19 |
| 121VU | FUEL/RFL/ON BAT | 5QN | R30 |
C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below access door 811.
(2) Open access door 811 (Ref. AMM TASK 52-41-00-010-002).
4. Procedure(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below access door 811.
(2) Open access door 811 (Ref. AMM TASK 52-41-00-010-002).
Subtask 28-51-35-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the AFMC
(1) Loosen and lower the knurled nuts (4).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(1) Loosen and lower the knurled nuts (4).
CAUTION:
DO NOT TOUCH THE CONNECTOR PINS OR OTHER CONDUCTORS ON THE COMPONENT DURING THE PROCEDURE. IF YOU TOUCH THESE CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO COMPONENT.
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.
(2) Carefully pull the AFMC (1) from its rack (2) to disconnect electrical connectors (3). (3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.