Installation of the Strobe Light Flash-Tube Assembly

TASK 33-48-14-400-002-A
Installation of the Strobe Light Flash-Tube Assembly

WARNING: MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

1. Reason for the Job
Self Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
No specific	AR	WATER - SOAPY SOLUTION

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
4	GASKET	AIPC 33-48-14-01-035

D. Referenced Information

REFERENCE	DESIGNATION
TASK 33-48-00-710-001-A	Operational Test of the Anti-Collision Lighting
TASK 33-48-00-710-002-A	Operational Test of the Anti-Collision/Strobe Lighting
TASK 57-37-12-400-802-A	Installation of the Navigation-Light Glazing Panel
Strobe Light Flash Tube Assembly ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 33-48-14-941-054-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Make sure that the SAFETY BARRIER(S) are in position.
(2) Make sure that the WARNING NOTICE(S) is on panel 25VU to tell persons not to operate the strobe lights or the navigation lights.

Subtask 33-48-14-860-053-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE is in position below the applicable wing-tip strobe light in zone 534 or 634.

Subtask 33-48-14-865-056-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	LIGHTING/WING/STROBE	10LV	V05

4. Procedure

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.

Subtask 33-48-14-420-053-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Make sure that the parts retained from the removed component are clean and in the correct condition.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Clean the glazing panel with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with a warm WATER - SOAPY SOLUTION.

Subtask 33-48-14-420-051-A ** ON A/C NOT FOR ALL

B. Installation of the Strobe Light Flash-Tube Assembly
(1) Install the flash tube assembly (6) and the screws (5).
(2) Install a new AIPC 33-48-14-01-035 GASKET (4) if damaged, and replace the lens (3) and the screws (2).

Subtask 33-48-14-865-057-A ** ON A/C NOT FOR ALL

C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	LIGHTING/WING/STROBE	10LV	V05

Subtask 33-48-14-710-051-A ** ON A/C NOT FOR ALL

D. Test

WARNING: 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.

WARNING: BE CAREFUL IF YOU TOUCH THE STROBE LIGHT WITH THE COVER REMOVED AND THE POWER APPLIED. SOME COMPONENTS HAVE DANGEROUS VOLTAGES.

CAUTION: DO NOT DISCONNECT THE CONNECTOR DURING OPERATION. ARCING CAN DAMAGE THE CONTACT PINS.

(1) Do the applicable operational test of the strobe lights (Ref. AMM TASK 33-48-00-710-001) (Ref. AMM TASK 33-48-00-710-002).

Subtask 33-48-14-865-058-A ** ON A/C NOT FOR ALL

E. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	LIGHTING/WING/STROBE	10LV	V05

5. Close-up
Subtask 33-48-14-410-051-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the glazing panel (1) on the applicable wing-tip strobe light (Ref. AMM TASK 57-37-12-400-802).

Subtask 33-48-14-865-059-A ** ON A/C NOT FOR ALL

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	LIGHTING/WING/STROBE	10LV	V05

Subtask 33-48-14-942-055-A ** ON A/C NOT FOR ALL

C. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).
(4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.01 00:56:38 UTC