RUNWAY TURNOFF LIGHTS - DEACTIVATION/REACTIVATION
_________________________________________________ TASK 33-43-00-040-002 Deactivation of the Runway Turnoff Light (3LC1, 3LC2)
1. Reason for the Job
__________________
Refer to the CDL TASK: 33-8
Turn Off Light
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 soap solution
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-065 C Z-24.380 EROSION PROTECTIVE TAPE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
33-43-11-000-001 Removal of the Runway Turnoff Light (3LC1, 3LC2) 33-43-11-400-001 Installation of the Runway Turnoff Light (3LC1, 3LC2)
3. Job Set-up
__________
Subtask 33-43-00-941-051
A. Safety Precautions
(1) Put a warning notice in position on the EXT LT section of the overhead panel 25VU to tell persons not to operate the runway turnoff lights.
Subtask 33-43-00-865-053
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU LIGHTING/EXT LT/RWY TURN OFF/L 1LC1 W06 122VU LIGHTING/EXT LT/RWY TURN OFF/R 1LC2 W05
4. Procedure
_________
Subtask 33-43-00-040-051
A. Deactivation of the Runway Turnoff Light
CAUTION : IF THE LAMP IS REMOVED, SAFETY THE WIRES WITH HIGH-SPEED TAPE.
_______
(1)
You must remove (Ref. TASK 33-43-11-000-001) or replace (Ref. TASK 33-43-11-000-001) and (Ref. TASK 33-43-11-400-001) the runway turnoff light if there are these two conditions:
-
if there are cracks on the front face, and
-
if there is movement of the parts of the front glass (the supporting structure does not hold them tightly).
(2)
If you do not remove or replace the cracked runway turnoff-light, you can do an alternative repair as follows:
(a)
Clean the surface of the runway turnoff-light lens with MISCELLANEOUS (Material No. 19-003) made moist with warm soap solution.
(b)
Dry the surface of the runway turnoff-light lens with a clean MISCELLANEOUS (Material No. 19-003).
(c)
Apply SPECIAL MATERIALS (Material No. 05-065) to cover the crack(s).
NOTE : Make sure that the tape is correctly installed and has no
____ bubbles, wrinkles or tears in it.
(d) Let the tape cure for 15 minutes minimum at a minimum temperature of 15 deg.C (59.00 deg.F).
(3) If it is not necessary to replace the runway turnoff light, write in the aircraft technical log that the runway turnoff light is damaged.
5. Close-up
________ Subtask 33-43-00-865-054
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1LC1, 1LC2.
Subtask 33-43-00-942-052
B. Put the aircraft back to its initial configuration.
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the warning notice(s).
TASK 33-43-00-440-002
Reactivation of the Runway Turnoff Light (3LC1, 3LC2)
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