DOC AIRBUS | AMM A320FRemoval of the Emergency Exit Sign
TASK 33-51-16-000-001-A
Removal of the Emergency Exit Sign
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 33-51-16-865-050-A
Subtask 33-51-16-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:57:27 UTC
Removal of the Emergency Exit Sign
WARNING:
MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT. UNWANTED ELECTRICAL POWER CAN BE DANGEROUS.
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Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | STEPLADDER 1.0 M (3.3 FT) |
| REFERENCE | DESIGNATION |
|---|---|
Emergency Exit SignSubtask 33-51-16-865-050-A
A. Open, safety and tag this(these) circuit breaker(s):
Subtask 33-51-16-860-054-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | LIGHTING/EMER LT/CABIN | 2WL | H06 |
| 49VU | LIGHTING/EMER LT/CABIN | 1WL | H05 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | LIGHTING/EMER LT/CABIN | 2WL | H04 |
| 49VU | LIGHTING/EMER LT/CABIN | 1WL | H03 |
B. Aircraft Maintenance Configuration
(1) On the overhead panel 25VU, make sure that the EMER EXIT LT switch 4WL is in the OFF position.
(2) On the overhead panel 25VU, make sure that the NO SMOKING switch 190RH is in the OFF position
(3) On the Forward Attendant Panel (FAP) 120RH, make sure that the LIGHT EMER pushbutton switch and its integral light are off.
(4) Put the STEPLADDER 1.0 M (3.3 FT) in position under the related exit sign.
Subtask 33-51-16-860-054-D ** ON A/C NOT FOR ALL (1) On the overhead panel 25VU, make sure that the EMER EXIT LT switch 4WL is in the OFF position.
(2) On the overhead panel 25VU, make sure that the NO SMOKING switch 190RH is in the OFF position
(3) On the Forward Attendant Panel (FAP) 120RH, make sure that the LIGHT EMER pushbutton switch and its integral light are off.
(4) Put the STEPLADDER 1.0 M (3.3 FT) in position under the related exit sign.
B. Aircraft Maintenance Configuration
(1) On overhead panel 25VU, make sure that EMER EXIT LT switch 4WL is in the OFF position.
(2) On overhead panel 25VU, make sure that NO SMOKING switch 190RH is in the OFF position
(3) On Flight Attendant Panel (FAP) 120RH, make sure that the LIGHT EMER pushbutton switch and its integral light are off.
(4) Put the STEPLADDER 1.0 M (3.3 FT) in position under the related exit sign.
Subtask 33-51-16-860-054-E ** ON A/C NOT FOR ALL (1) On overhead panel 25VU, make sure that EMER EXIT LT switch 4WL is in the OFF position.
(2) On overhead panel 25VU, make sure that NO SMOKING switch 190RH is in the OFF position
(3) On Flight Attendant Panel (FAP) 120RH, make sure that the LIGHT EMER pushbutton switch and its integral light are off.
(4) Put the STEPLADDER 1.0 M (3.3 FT) in position under the related exit sign.
B. Aircraft Maintenance Configuration
(1) On the overhead panel 25VU, make sure that the EMER EXIT LT switch 4WL is in the OFF position.
(2) On the overhead panel 25VU, make sure that the EXIT switch 190RH is in the OFF position.
(3) On the Flight Attendant Panel (FAP) 120RH, make sure that the EMER button and its light are off.
(4) Put the STEPLADDER 1.0 M (3.3 FT) in position under the related exit sign.
Subtask 33-51-16-860-054-F ** ON A/C NOT FOR ALL (1) On the overhead panel 25VU, make sure that the EMER EXIT LT switch 4WL is in the OFF position.
(2) On the overhead panel 25VU, make sure that the EXIT switch 190RH is in the OFF position.
(3) On the Flight Attendant Panel (FAP) 120RH, make sure that the EMER button and its light are off.
(4) Put the STEPLADDER 1.0 M (3.3 FT) in position under the related exit sign.
B. Aircraft Maintenance Configuration
(1) On overhead panel 25VU, make sure that EMER EXIT LT switch 4WL is in the OFF position.
(2) On overhead panel 25VU, make sure that No PED switch 190RH is in the OFF position.
(3) On Flight Attendant Panel (FAP) 120RH, make sure that the EMER button and its light are off.
(4) Put the STEPLADDER 1.0 M (3.3 FT) below the related emergency exit sign.
4. Procedure(1) On overhead panel 25VU, make sure that EMER EXIT LT switch 4WL is in the OFF position.
(2) On overhead panel 25VU, make sure that No PED switch 190RH is in the OFF position.
(3) On Flight Attendant Panel (FAP) 120RH, make sure that the EMER button and its light are off.
(4) Put the STEPLADDER 1.0 M (3.3 FT) below the related emergency exit sign.
Subtask 33-51-16-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Emergency Exit Sign
(2) Remove the screws (3) and the washers (4).
(3) Remove the emergency exit sign (1) sufficiently to get access to the electrical connectors (5).
(5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(6) Remove the emergency exit sign (1).
Subtask 33-51-16-020-050-B ** ON A/C NOT FOR ALL NOTE: The procedure is the same for all emergency exit signs.
(1) Remove the emergency exit sign-lens (2). (2) Remove the screws (3) and the washers (4).
(3) Remove the emergency exit sign (1) sufficiently to get access to the electrical connectors (5).
CAUTION:
MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
(4) Disconnect the electrical connectors (5). (5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(6) Remove the emergency exit sign (1).
A. Removal of the Emergency Exit Sign
(2) Remove the screws (2), (7) and the washers (3), (8).
(4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Remove the housings (4), (9).
NOTE: The procedure is the same for all emergency exit signs.
(1) Remove the lenses (1), (6) from the housings (4), (9). (2) Remove the screws (2), (7) and the washers (3), (8).
CAUTION:
MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
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.
(3) Disconnect the electrical connectors (5), (10). (4) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(5) Remove the housings (4), (9).