W DOC AIRBUS | AMM A320F

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

TASK 33-48-12-400-001-A
Installation of the Lower Beacon/Strobe Light from the Fuselage Outside

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION: MAKE SURE THAT YOU REMOVED THE BUNG FROM THE LENS. IF YOU DO NOT OBEY THIS INSTRUCTION, WATER CONDENSATION CAN STAY INSIDE THE LENS AND CAUSE DAMAGE TO THE EQUIPMENT.
ZONE: 190
FIN: 6LV
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
2
STEPLADDER 1.0 M (3.3 FT)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.04TMB2)
Varnish-- Electrical Bonding Structure
(Material No.06AAA1)
Polysulfide Sealant_General Purpose Brushable -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
190
BELLY FAIR, AIR CONDITIONING & HYD COMPT
 D. Expendable Parts
FIG.ITEM
DESIGNATION
IPC-CSN
3
SEAL
AIPC 33-48-12-01-030
8
SEAL
AIPC 33-48-12-01-030
11
SEAL
AIPC 33-48-12-01-040
3
SEAL
AIPC 33-48-12-02-030
8
SEAL
AIPC 33-48-12-02-030
11
SEAL
AIPC 33-48-12-02-050
 E. Referenced Information
REFERENCE
DESIGNATION
TASK 20-28-00-912-802-A
Electrical Bonding - General Maintenance Procedure
TASK 20-28-00-912-803-A
Bonding Surface Preparation
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
TASK 53-35-13-000-001-A
Removal of the Belly Fairing Access Panels
TASK 53-35-13-400-001-A
Installation of the Belly Fairing Access Panels
F Lower Beacon/Strobe Light ** ON A/C NOT FOR ALL
F Lower Beacon/Strobe Light ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 33-48-12-869-051-A
A. Make sure that switch 2LV BEACON ON-OFF on overhead panel 25VU is in the OFF position.
Subtask 33-48-12-860-055-A
B. Get Access
   (1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
   (2) Make sure that the STEPLADDER 1.0 M (3.3 FT) is in position below the related panel.
   (3) Make sure that the applicable belly-fairing access panel is removed (Ref. AMM TASK 53-35-13-000-001).
Subtask 33-48-12-865-051-A
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
122VULIGHTING/EXT LT/BEACON/LOWER5LVU03
4. Procedure
Subtask 33-48-12-420-050-B ** ON A/C NOT FOR ALL
A. Installation of Lower Beacon/Strobe Light 6LV
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) When you connect/install the components, refer to the match marks made during the removal procedure.
   (4) Prepare the surface of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-803).
   (5) 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.
   (6) Connect the electrical connector (1) to the light assembly (2).
   (7) Put the light assembly (2) and the seal (11) in their correct installation positions:
     (a) Make sure that the seal (11) is in good condition.
     (b) If necessary install a new AIPC 33-48-12-01-040 SEAL (11) or AIPC 33-48-12-02-050 SEAL (11).
   (8) Install the screws (3) and (10).
   (9) Tighten the screws (3) and (10) in the correct sequence.
   (10) Do the electrical resistance measurement and the final protection of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-802).
   (11) Apply Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) to the heads of the screws (10) and let it dry.
   (12) Apply Varnish-- Electrical Bonding Structure (Material No.04TMB2) to the sealant of the screws (10).
   (13) Make sure that the bung (5) is removed.
   (14) Remove the bung (5) to make sure that no condensed water stays in the lens (7).
   (15) Put the lens (7) with the seal (8) in their correct installation positions:
     (a) Make sure that the seal (8) is in good condition.
     (b) If necessary install a new AIPC 33-48-12-01-030 SEAL (8) or AIPC 33-48-12-02-030 SEAL (8).
   (16) Install the screws (4) and (6).
   (17) Tighten the screws (4) and (6) in the correct sequence.
   (18) Do the electrical resistance measurement and the final protection of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-802).
Subtask 33-48-12-420-050-C ** ON A/C NOT FOR ALL
A. Installation of the Lower Anti-Collision (Beacon) Light
   (1) Remove the tape from the related lower anti-collision (beacon) light.
   (2) Clean the component interfaces and the adjacent area.
   (3) Do an inspection of the component interfaces and the adjacent area.
   (4) When you connect/install the components, refer to the match marks made during the removal procedure.
   (5) Prepare the surface of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-803).
   (6) 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.
   (7) Connect the electrical connector (6) to the LED module (5).
   (8) Install the screws (4) and (9).
   (9) Tighten the screws (4) and (9) in the sequence that is given in the figure.
   (10) Do the electrical resistance measurement and the final protection of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-802).
   (11) Apply Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) on the heads of the screws (4) and let it dry.
   (12) Apply Varnish-- Electrical Bonding Structure (Material No.04TMB2) on the heads of the screws (4) that is used to do the electrical bonding.
   (13) Make sure that the bung (7) is removed to prevent the water that causes blockage, because of condensation in the lens (2).
   (14) Install the seal (3) as follows:
     (a) Make sure that the seal (3) is in good condition.
     (b) If necessary, install a new AIPC 33-48-12-01-030 SEAL (3) or AIPC 33-48-12-02-030 SEAL (3).
   (15) Put the lens (2) on the fuselage.
   (16) Install the screws (1) and (8).
   (17) Tighten the screws (1) and (8) in the sequence that is given in the figure.
   (18) Do the electrical resistance measurement and the final protection of the bonding point(s)
(Ref. AMM TASK 20-28-00-912-802).
Subtask 33-48-12-865-053-A
B. 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/LOWER5LVU03
Subtask 33-48-12-710-051-A
C. Operational Test
   (1) Do the operational test of the lower beacon/strobe light (6LV) (Ref. AMM TASK 33-48-00-710-001).
5. Close-up
Subtask 33-48-12-410-053-A
A. Close Access
   (1) Install the applicable belly-fairing access panel (Ref. AMM TASK 53-35-13-400-001).
   (2) Remove the STEPLADDER 1.0 M (3.3 FT).
Subtask 33-48-12-860-050-A
B. Put the aircraft back to the serviceable condition.
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 04:02:18 UTC
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