Replacement of the Strobe-Light Flash-Tube Assembly
TASK 33-48-13-960-002-A
Replacement of the Strobe-Light Flash-Tube Assembly
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Expendable Parts
C. Referenced Information
3. Job Set-up
Subtask 33-48-13-865-054-A ** ON A/C NOT FOR ALL
Subtask 33-48-13-960-051-A ** ON A/C NOT FOR ALL
Subtask 33-48-13-410-053-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:56:34 UTC
Replacement of the Strobe-Light Flash-Tube Assembly
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.
FIN: 19LV ** ON A/C NOT FOR ALL
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 4M (13 FT)-ADJUSTABLE |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 3 | GASKET | AIPC 33-48-13-01-020 |
| 5 | FLASH TUBE ASSEMBLY | AIPC 33-48-13-01-040 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 33-41-15-000-002-A | Removal of the Lamp(s) of the Tail Navigation Light |
| TASK 33-41-15-400-002-A | Installation of the Lamp(s) of the Tail Navigation Light |
| TASK 33-48-00-710-002-A | Operational Test of the Anti-Collision/Strobe Lighting |
Subtask 33-48-13-865-054-A ** ON A/C NOT FOR ALL
A. Open, safety and tag this(these) circuit breaker(s):
Subtask 33-48-13-010-052-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | APU/APU/CTL | 2KD | L42 |
| 121VU | APU/ECB/SPLY | 1KD | L41 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | LIGHTING/EXT LT/NAV1/AND LOGO/LT | 1LA | T03 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | LIGHTING/EXT LT/NAV2/AND LOGO/LT | 2LA | T02 |
| 122VU | LIGHTING/WING/STROBE | 10LV | V05 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | LIGHT/EXT LT NAV1/AND LOGO/LT | 1LA | T03 |
B. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the APU tail cone exhaust-area Zone 317.
(2) Remove the lens from the tail navigation light (15LA) (Ref. AMM TASK 33-41-15-000-002).
4. Procedure(1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at the APU tail cone exhaust-area Zone 317.
(2) Remove the lens from the tail navigation light (15LA) (Ref. AMM TASK 33-41-15-000-002).
Subtask 33-48-13-960-051-A ** ON A/C NOT FOR ALL
A. Replacement of the Strobe-Light Flash-Tube Assembly
(2) Remove the gasket (3).
(4) Install the new AIPC 33-48-13-01-040 FLASH TUBE ASSEMBLY (5) with the screws (4).
(5) Do an inspection of the gasket (3) for damage. If you find damage, discard the gasket (3).
(6) Install the gasket (3), the lens (2) and the screws (1). If necessary install a new AIPC 33-48-13-01-020 GASKET (3).
Subtask 33-48-13-410-052-A ** ON A/C NOT FOR ALL WARNING:
DO NOT REMOVE THE STROBE LIGHT FOR AT LEAST TEN MINUTES AFTER YOU DE-ENERGIZE THE ELECTRICAL CIRCUITS. THE HIGH VOLTAGE ELECTRICAL CURRENT IN THE CAPACITOR OF THE STROBE LIGHT IS DANGEROUS.
WARNING:
DO NOT DISCONNECT THE ELECTRICAL CONNECTIONS FOR AT LEAST 2 MINUTES AFTER YOU DE-ENERGIZE THE ELECTRICAL CIRCUITS.
WARNING:
BE CAREFUL IF YOU TOUCH THE STROBE LIGHT WITH THE COVER REMOVED AND THE POWER APPLIED. SOME COMPONENTS HAVE DANGEROUS VOLTAGES.
WARNING:
DO NOT TOUCH THE STROBE LIGHTS FOR AT LEAST 5 MINUTES AFTER OPERATION. THE STROBE LIGHT WILL STILL BE HOT.
(1) Remove the screws (1) and the lens (2). (2) Remove the gasket (3).
CAUTION:
DO NOT TOUCH THE LAMP GLASS WITH YOUR FINGERS.
THE OILS FROM YOUR SKIN WILL QUICKLY CAUSE DETERIORATION OF THE LAMP.
IF YOU ACCIDENTALLY TOUCH THE LAMP GLASS, CLEAN IT WITH A LINT-FREE CLOTH.
(3) Remove the screws (4) and discard the flash tube assembly (5). (4) Install the new AIPC 33-48-13-01-040 FLASH TUBE ASSEMBLY (5) with the screws (4).
(5) Do an inspection of the gasket (3) for damage. If you find damage, discard the gasket (3).
(6) Install the gasket (3), the lens (2) and the screws (1). If necessary install a new AIPC 33-48-13-01-020 GASKET (3).
B. Close Access
(1) Install the lens of the tail navigation light (15LA) (Ref. AMM TASK 33-41-15-400-002).
(2) Make sure that the work area is clean and clear of tools and other items.
Subtask 33-48-13-865-055-A ** ON A/C NOT FOR ALL (1) Install the lens of the tail navigation light (15LA) (Ref. AMM TASK 33-41-15-400-002).
(2) Make sure that the work area is clean and clear of tools and other items.
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 33-48-13-710-052-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | APU/APU/CTL | 2KD | L42 |
| 121VU | APU/ECB/SPLY | 1KD | L41 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | LIGHTING/EXT LT/NAV1/AND LOGO/LT | 1LA | T03 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | LIGHTING/EXT LT/NAV2/AND LOGO/LT | 2LA | T02 |
| 122VU | LIGHTING/WING/STROBE | 10LV | V05 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | LIGHT/EXT LT NAV1/AND LOGO/LT | 1LA | T03 |
D. Do the test of the tail cone strobe-light (19LV)
5. Close-upWARNING:
DO NOT LOOK DIRECTLY AT THE LIGHT FLASH DURING THE TEST.
SUPPLY A COVER, OR SHIELD, TO GIVE PROTECTION FROM THE LIGHT FLASH TO PERSONS IN THE TEST AREA.
(1) Do the operational test of the anticollision/strobe light system (Ref. AMM TASK 33-48-00-710-002). Subtask 33-48-13-410-053-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Put the system back to the serviceable condition.
(2) Remove the access platform(s).
(1) Put the system back to the serviceable condition.
(2) Remove the access platform(s).
Replacement of the Strobe-Light Flash-Tube Assembly