DOC AIRBUS | AMM A320FDeactivation of the Additional Cockpit Electrical Supply System
TASK 25-18-00-040-802-A
Deactivation of the Additional Cockpit Electrical Supply System
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 25-18-00-861-050-A ** ON A/C NOT FOR ALL Subtask 25-18-00-865-050-A ** ON A/C NOT FOR ALL
Subtask 25-18-00-040-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.03.31 23:29:32 UTC
Deactivation of the Additional Cockpit Electrical Supply System
FIN: 3NA ** ON A/C NOT FOR ALL
1. Reason for the JobNOTE: This deactivation task is not related to a MMEL/MCDL item.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 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 25-18-51-000-001-A | Removal of the Static Inverter |
| TASK 52-41-00-010-002-A | Open the Avionics Compartment Doors for Access |
| ESPM 203331 | |
| ESPM 2042120 | |
Additional Cockpit Electrical SystemSubtask 25-18-00-861-050-A ** ON A/C NOT FOR ALL Subtask 25-18-00-865-050-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 25-18-00-010-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | PILOTS OUTLETS/STAT INV | 1NA | K25 |
| 121VU | PILOTS OUTLETS/115V 60HZ | 2NA | K23 |
C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position, at zone 120.
(2) Open avionics compartment access-door 811 (Ref. AMM TASK 52-41-00-010-002).
4. Procedure(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position, at zone 120.
(2) Open avionics compartment access-door 811 (Ref. AMM TASK 52-41-00-010-002).
Subtask 25-18-00-040-050-A ** ON A/C NOT FOR ALL
A. Deactivation of the Additional Cockpit Electrical Supply System
(1) Remove the static inverter (3NA) (2) (Ref. AMM TASK 25-18-51-000-001).
(2) Cut and remove the lacing tape (4) that maintains the bonding cable to 522VN.
(3) Protect the electrical connector (1):
(a) Cut a piece of 254 mm (10.0000 in.) length of the protective sleeve (5) (shrink sleeves P/N ABS0916 (FAPE3) or P/N E0126 (F6198)) ESPM 2042120.
Use the ESPM only to get more information about shrink sleeves P/Ns. For installation, do the steps that follow.
(b) Thread the half of the piece of the protective sleeve (5) on the connector (1) and turn back the remaining part. Do not make the protective sleeve (5) warm.
(c) Make sure that the connector is fully protected by the protective sleeve (5).
(d) Safety the protective sleeve (5) with cable tie NSA935401.
(4) Stow the harness with a cable tie NSA935401 on the structural part (3) ESPM 203331.
(1) Remove the static inverter (3NA) (2) (Ref. AMM TASK 25-18-51-000-001).
(2) Cut and remove the lacing tape (4) that maintains the bonding cable to 522VN.
(3) Protect the electrical connector (1):
(a) Cut a piece of 254 mm (10.0000 in.) length of the protective sleeve (5) (shrink sleeves P/N ABS0916 (FAPE3) or P/N E0126 (F6198)) ESPM 2042120.
Use the ESPM only to get more information about shrink sleeves P/Ns. For installation, do the steps that follow.
(b) Thread the half of the piece of the protective sleeve (5) on the connector (1) and turn back the remaining part. Do not make the protective sleeve (5) warm.
(c) Make sure that the connector is fully protected by the protective sleeve (5).
(d) Safety the protective sleeve (5) with cable tie NSA935401.
(4) Stow the harness with a cable tie NSA935401 on the structural part (3) ESPM 203331.