W DOC AIRBUS | AMM A320F

Installation of the Upper Beacon/Strobe Light from the Outside of the Fuselage


TASK 33-48-11-400-001-A
Installation of the Upper Beacon/Strobe Light from the Outside of the Fuselage


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 7LV
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Consumable Materials
REFERENCE
DESIGNATION
(Material No.04TMB2)
Varnish-- Electrical Bonding Structure
(Material No.05BAA1)
Threadlocking Adhesive-- Low strength -
(Material No.06AAA1)
Polysulfide Sealant_General Purpose Brushable -
 B. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
6
O-RING
AIPC 33-48-04-01-090
3
SEAL
AIPC 33-48-11-01-020
8
SEAL
AIPC 33-48-11-01-020
3
SEAL
AIPC 33-48-11-01-030
8
SEAL
AIPC 33-48-11-01-030
12
SEAL
AIPC 33-48-11-01-040
3
SEAL
AIPC 33-48-12-02-030
6
ORING
AIPC 33-48-84-01-100
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 20-21-11-911-001-A
Tightening Torques for Standard Threaded Fasteners
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
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 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 33-48-00-710-001-A
Operational Test of the Anti-Collision Lighting
F Upper Beacon/Strobe Light 7LV ** ON A/C NOT FOR ALL
F Upper Beacon/Strobe Light 7LV ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 33-48-11-860-052-A
A. Aircraft Maintenance Configuration
   (1) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (2) Make sure that switch 2LV BEACON ON-OFF on overhead panel 25VU is in the OFF position.
Subtask 33-48-11-865-053-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
122VULIGHTING/EXT LT/BEACON/UPPER1LVU06
4. Procedure
Subtask 33-48-11-420-051-B ** ON A/C NOT FOR ALL
A. Installation of Upper Beacon/Strobe Light 7LV
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Prepare the electrical bonding point at the flange (3) (Ref. AMM TASK 20-28-00-912-802).
   (4) Remove the CAP-BLANKING from each electrical connector and receptacle.
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.
   (5) Connect the electrical connector (1) to the light assembly (2).
   (6) Put the light assembly (2) and the seal (12) in the correct installation position:
     (a) Make sure that the seal (12) is in good condition.
     (b) If necessary, install the new AIPC 33-48-11-01-040 SEAL (12).
   (7) Loosely install the screws (5).
   (8) Tighten the screws (5) in the correct sequence.
   (9) Apply Polysulfide Sealant_General Purpose Brushable - (Material No.
06AAA1) to the heads of the screws (5) (Ref. AMM TASK 20-28-00-912-802) and let it dry.
   (10) Apply Varnish-- Electrical Bonding Structure (Material No.04TMB2) to the heads of the screws (5) to make the electrical bonding.
   (11) Make sure that the bung (10) is correctly installed in the lens (9).
   (12) Put the lens (9) and the seal (8) in the correct installation position:
     (a) Make sure that the seal (8) is in good condition.
     (b) If necessary, install the new AIPC 33-48-11-01-020 SEAL (8) or AIPC 33-48-11-01-030 SEAL (8).
   (13) Apply Threadlocking Adhesive-- Low strength - (Material No.
05BAA1) to the threads of the screws (11).
   (14) Loosely install the screws (11).
   (15) Make sure that you refer to the match marks made during the removal procedure to install the screws (11) in the correct position.
   (16) Tighten the screws (11) in the correct sequence.
   (17) Apply Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) to the heads of the screws (11).
Subtask 33-48-11-420-051-C ** ON A/C NOT FOR ALL
A. Installation of the Upper Anti-Collision (Beacon) Light
NOTE: For the torque values of the screws, you can refer to (Ref. AMM TASK 20-21-11-911-001).
   (1) Remove the tape from the related upper anti-collision (beacon) light.
   (2) Clean the component interface and/or the adjacent area.
   (3) Install the O-ring (6):
     (a) Make sure that the O-ring (6) is in good condition.
     (b) If necessary, install the new AIPC 33-48-04-01-090 O-RING (6) or AIPC 33-48-84-01-100 ORING (6).
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.
   (4) Connect the electrical connector (8) to the LED module (5).
   (5) Put the LED module (5) on the flange (7).
   (6) Loosely install the screws (4).
   (7) Tighten the screws (4) in the sequence given in the figure.
   (8) Apply the Polysulfide Sealant_General Purpose Brushable - (Material No.
06AAA1) on the heads of the countersunk screws (4) (Ref. AMM TASK 20-28-00-912-802) and let it dry.
   (9) Apply the Varnish-- Electrical Bonding Structure (Material No.04TMB2) on the head of the countersunk screw (4) that is used to do the electrical bonding.
   (10) Make sure that the lens drain plug is correctly installed in the new lens (2).
   (11) Install the seal (3) as follows:
     (a) Make sure that the seal (3) is in good condition.
     (b) If necessary, install the new AIPC 33-48-11-01-020 SEAL (3) or AIPC 33-48-11-01-030 SEAL (3) or AIPC 33-48-12-02-030 SEAL (3).
   (12) Put the lens (2) on the fuselage.
   (13) Make sure that the pin (11) engages correctly in the bung (12).
   (14) Install the countersunk screws (1).
   (15) Refer to the match marks that you made during the removal to install the screws (1) in the correct position.
   (16) Tighten the screws (1) in the sequence given in the figure.
Subtask 33-48-11-860-051-A Subtask 33-48-11-865-054-A
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
122VULIGHTING/EXT LT/BEACON/UPPER1LVU06
Subtask 33-48-11-710-050-A
D. Operational Test
   (1) Do the operational test of the upper beacon/strobe light (7LV) (Ref. AMM TASK 33-48-00-710-001).
5. Close-up
Subtask 33-48-11-410-052-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the access platform(s).
Subtask 33-48-11-862-055-A
B. De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 00:56:22 UTC