__________________
Make sure that the wing/engine scan lights operate correctly.
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
3. Job Set-up
__________ Subtask 33-49-00-861-051
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 33-49-00-865-050
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU LIGHTING/EXT LT/WING/AND ENG SCAN/R 1LX W03 122VU LIGHTING/EXT LT/WING/AND ENG SCAN/L 5LX W02
4. Procedure
_________ Subtask 33-49-00-710-050
A. Operational Test of the Wing and Engine Scan Lights
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 25VU: From each side of the fuselage:
-
set the EXT LT/WING selector - the wing/engine scan-lights come on, switch to ON,
-
set the EXT LT/WING selector - the wing/engine scan lights go off. switch to OFF.
5. Close-up
________ Subtask 33-49-00-862-051
A. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
LIGHT - WING AND ENGINE SCAN (3LX,4LX) - REMOVAL/INSTALLATION
_____________________________________________________________
TASK 33-49-11-000-001
Removal of the Wing and Engine Scan Light (3LX, 4LX)
WARNING : WEAR GLASSES AND PROTECTIVE CLOTHING WHEN YOU WORK ON THE LIGHT.
_______
WARNING : DO NOT DISCONNECT THE ELECTRICAL CONNECTIONS FOR AT LEAST 2 MINUTES
_______ AFTER YOU DE-ENERGIZE THE ELECTRICAL CIRCUITS.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking cap
No specific circuit breaker(s) safety clip(s)
No specific access platform 3.50 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
33-49-11-991-001 Fig. 401 3. Job Set-up
__________ Subtask 33-49-11-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 4LX
122VU LIGHTING/EXT LT/WING/AND ENG SCAN/R 1LX W03 FOR 3LX
122VU LIGHTING/EXT LT/WING/AND ENG SCAN/L 5LX W02
Subtask 33-49-11-010-051
B. Get Access
(1)
Put the access platform in position in zone 230.
(2)
Remove the sidewall panel in the forward passenger compartment:
-
FOR 3LX
231RW
-
FOR 4LX
232KW
(3)
Remove the thermal and acoustic insulation in zones 231 and 232.
4. Procedure
_________
(Ref. Fig. 401/TASK 33-49-11-991-001) Subtask 33-49-11-020-050
A. Removal of the Wing and Engine Scan Light
(1)
Outside the aircraft:
(a) Loosen the 16 screws (2) which attach the wing and engine scan light (1) to the structure (3) of the aircraft.
(2)
Inside the forward passenger compartment:
(a) Disconnect the movable connector (4) from the light (1) and put a blanking cap on the disconnected connector.
(3)
Remove the wing and engine scan light (1). NOTE : It could be possible that the wing and engine scan lights are
Wing and Engine Scan Light
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