C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 33-47-11-991-001 Fig. 201
3. Job Set-up
__________ Subtask 33-47-11-860-051
A. Aircraft Maintenance Configuration
(1) On panel 25VU make sure that the switch 3LA NAV & LOGO ON/OFF is in the OFF position.
Subtask 33-47-11-860-050
B. De-energize Electrical Circuits
(1) De-energize the aircraft electrical circuits. (Ref. TASK 24-41-00-862-002)
Subtask 33-47-11-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 3LY
122VU LIGHTING/LOGO/L 2LY V03 FOR 4LY
122VU LIGHTING/LOGO/R 1LY V02
Subtask 33-47-11-941-050
D. Safety Precautions
(1)
Put the warning notices in the flight compartment to tell persons not to operate the logo lights.
(2)
Put the access platform in position at zone 334 for the left hand logo light and/or zone 344 for the right hand logo light.
4. Procedure
_________ (Ref. Fig. 201/TASK 33-47-11-991-001) Subtask 33-47-11-020-052
A. Remove Lamp
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.
(1)
Remove the countersunk screws (1) around the frame assembly (2).
(2)
Remove the frame assembly (2) and the seal (3).
(3)
Release the quick-release fasteners (5) and remove the attach ring (4).
(4)
Remove the beam lamp (6) with the seal (8). Subtask 33-47-11-020-053
B. Disconnect Electrical Connectors
(1) Disconnect the electrical connector (7) from the beam lamp (6).
(2)
Put blanking caps on the disconnected electrical connectors. Subtask 33-47-11-420-050
C. Replace Lamp
(1)
Replace the beam lamp (6) if necessary. Subtask 33-47-11-420-052
D. Install Lamp
(1)
Remove the blanking cap from the disconnected electrical connector.
(2)
Connect the electrical connector (7) to the beam lamp (6).
(3)
Install the beam lamp (6) with the seal (8) and tighten it with the attach ring (4).
(4)
Install the sealring (3) and the frame assembly (2) and tighten it with the countersunk screws (1).
R R Logo Light 3LY/4LY Figure 201/TASK 33-47-11-991-001
1EFF : 1 1 1CES ALL 1 111 33-47-11 Page 204 May 01/98
Subtask 33-47-11-370-050
E. Painting
(1) Apply STRUCTURE PAINTS (Material No. 16-016) to the heads of the countersunk screws (1).
TASK 33-47-11-000-001
Removal of the Logo Light 3LY (4LY)
WARNING : ISOLATE THE ELECTRICAL CIRCUITS FROM THE RELATED EQUIPMENT AND THE
_______ ENVIRONMENT.
WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
-
THE FLIGHT CONTROLS
-
THE FLIGHT CONTROL SURFACES
-
THE LANDING GEAR AND THE RELATED DOORS
-COMPONENTS THAT MOVE. WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE CLEAR.
_______ MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
NOTE : The procedure is the same for the two logo lights
____
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific access platfom 5.0 m (16 ft. 5 in.)
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