Replacement of the Wing and Engine Scan Light-Lens
TASK 33-49-11-960-803-A
Replacement of the Wing and Engine Scan Light-Lens
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 33-49-11-861-050-A Subtask 33-49-11-010-054-A
Subtask 33-49-11-210-050-A ** ON A/C NOT FOR ALL
(1) Remove the studs (1) from the lens flange assembly (2).
(2) Remove the lens flange assembly (2) from the lamp housing assembly (3).
(3) Install a new lens flange assembly (2) on the lamp housing assembly (3).
(4) Install the studs (1) on the lens flange assembly (2).
Subtask 33-49-11-210-052-A
Subtask 33-49-11-942-056-A
[Rev.10 from 2021]
2026.04.01 00:56:54 UTC
Replacement of the Wing and Engine Scan Light-Lens
WARNING:
DO NOT DISCONNECT THE ELECTRICAL CONNECTIONS FOR AT LEAST 2 MINUTES AFTER YOU DE-ENERGIZE THE ELECTRICAL CIRCUITS.
WARNING:
WEAR GLASSES AND PROTECTIVE CLOTHING WHEN YOU DO WORK ON THE LIGHT. THE LAMP IS PRESSURIZED AND AN EXPLOSION CAN OCCUR.
NOTE: This procedure is only applicable to the halogen bulb and incandescent wing and engine scan light.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
| TASK 24-42-00-862-001-A | De-energize the Ground Service Network Supplied from the External Power |
| TASK 33-49-00-710-001-A | Operational Test of the Wing and Engine Scan Lights |
| TASK 33-49-11-000-001-A | Removal of the Wing and Engine Scan Light |
| TASK 33-49-11-400-001-A | Installation of the Wing and Engine Scan Light |
| TASK 52-41-00-010-002-A | Open the Avionics Compartment Doors for Access |
| TASK 52-41-00-410-002-A | Close the Avionics Compartment Doors after Access |
Subtask 33-49-11-861-050-A Subtask 33-49-11-010-054-A
B. Get access to the avionics compartment.
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE.
(a) Open access door 811 (Ref. AMM TASK 52-41-00-010-002).
Subtask 33-49-11-941-050-A (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE.
(a) Open access door 811 (Ref. AMM TASK 52-41-00-010-002).
C. Get access
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 230.
Subtask 33-49-11-865-064-A (1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position at zone 230.
D. Open, safety and tag this(these) circuit breaker(s) if installed:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 4LX (LTWING & ENG SCAN, R) | |||
| 122VU | LIGHTING/EXT LT/WING/AND ENG SCAN/R | 1LX | W03 |
| FOR FIN: 3LX (LTWING & ENG SCAN, L) | |||
| 122VU | LIGHTING/EXT LT/WING/AND ENG SCAN/L | 5LX | W02 |
Subtask 33-49-11-210-050-A ** ON A/C NOT FOR ALL
A. Replacement of the Wing and Engine Scan Light-Lens
(1) Remove the screws (1).
(2) Remove the lens (2) from the wing and engine scan light (4).
(3) Install a new lens (2) on the wing and engine scan light (4) with the pin (5) in the pin hole (3).
(4) Install the screws (1).
(5) TORQUE the screws (1) to between 0.9 and 0.8 m.N (7.96 and 7.08 lbf.in )
.
Subtask 33-49-11-210-051-A ** ON A/C NOT FOR ALL (1) Remove the screws (1).
(2) Remove the lens (2) from the wing and engine scan light (4).
(3) Install a new lens (2) on the wing and engine scan light (4) with the pin (5) in the pin hole (3).
(4) Install the screws (1).
(5) TORQUE the screws (1) to between 0.9 and 0.8 m.N (7.96 and 7.08 lbf.in )
.CAUTION:
WHEN YOU REMOVE THE LENS, BE CAREFUL NOT TO CAUSE DAMAGE TO THE REFLECTOR ASSEMBLY AND THE GLASS SUPPORT ASSEMBLY.
B. Replacement of the Wing and Engine Scan Light-Lens(1) Remove the studs (1) from the lens flange assembly (2).
(2) Remove the lens flange assembly (2) from the lamp housing assembly (3).
(3) Install a new lens flange assembly (2) on the lamp housing assembly (3).
(4) Install the studs (1) on the lens flange assembly (2).
C. Replacement of the Wing and Engine Scan Light-Lens
(1) If the lens is attached with rivets, remove the light module (Ref. AMM TASK 33-49-11-000-001) and (Ref. AMM TASK 33-49-11-400-001).
Subtask 33-49-11-865-065-A (1) If the lens is attached with rivets, remove the light module (Ref. AMM TASK 33-49-11-000-001) and (Ref. AMM TASK 33-49-11-400-001).
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s) if installed:
Subtask 33-49-11-710-055-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| FOR FIN: 4LX (LTWING & ENG SCAN, R) | |||
| 122VU | LIGHTING/EXT LT/WING/AND ENG SCAN/R | 1LX | W03 |
| FOR FIN: 3LX (LTWING & ENG SCAN, L) | |||
| 122VU | LIGHTING/EXT LT/WING/AND ENG SCAN/L | 5LX | W02 |
E. Operational Test of the Wing and Engine Scan Lights
(1) Do the operational test of wing and engine scan lights (Ref. AMM TASK 33-49-00-710-001).
5. Close-up(1) Do the operational test of wing and engine scan lights (Ref. AMM TASK 33-49-00-710-001).
Subtask 33-49-11-942-056-A
A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access door 811 (Ref. AMM TASK 52-41-00-410-002).
(3) Remove the access platform(s).
Subtask 33-49-11-862-050-A (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access door 811 (Ref. AMM TASK 52-41-00-410-002).
(3) Remove the access platform(s).
Lens of the Wing and Engine Scan Light