1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific lint-free cloth
 No specific safety barriers
 No specific warning notice
 No specific access platform 4 m (13 ft. 1 in.)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-026 GB DEF-STAN 68-148/1 R SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)

 C. 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 33-41-00-710-001 Operational Test of the Navigation Lights 57-37-12-000-001 Removal of the Navigation Light Glazing Panel 57-37-12-400-001 Installation of the Navigation Light Glazing Panel
 3. Job Set-up
__________ Subtask 33-41-11-941-054
 A. Safety Precautions
 (1)
 Make sure that the safety barriers are in position.

 (2)
 Make sure that the warning notice is on the panel 25VU to tell persons not to operate the strobe lights or the navigation lights.

 Subtask 33-41-11-860-052
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the access platform is in position below the applicable zone 534 or 634.

 (2)
 Make sure that the navigation light glazing panel is removed (Ref. TASK 57-37-12-000-001).

 4. Procedure
_________ Subtask 33-41-11-420-054
 A. Preparation for Installation
 (1) Clean the component interface and/or the adjacent area with a clean MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).
 1EFF : ALL 1 33-41-11Page 414 1 1 May 01/02R 1 1 1CES 1

 (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
 (3) Do an inspection of the component interface and/or the adjacent area. Subtask 33-41-11-420-051-A
 B. Installation of the Lamp in the Wingtip Navigation-Light R CAUTION : USE ONLY APPROVED LAMPS. LAMPS THAT ARE NOT APPROVED CAN CAUSE
_______ R DAMAGE TO THE NAVIGATION-LIGHT TRANSFORMER AND LAMP-HOLDER.
 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.
 CAUTION : DO NOT APPLY TOO MUCH FORCE TO THE BULB OR SOCKET CONTACTS. TOO
_______ MUCH FORCE CAN CAUSE PERMANENT DEFORMATION OF THE SOCKET, AND AS A RESULT, ARCING AND THUS BULB FAILURE.
 NOTE : This procedure is applicable for one and two-lamp wingtip
____
 navigation lights.

 (1)
 Use a lint-free cloth to hold the lamp.

 (2)
 Put the base of the lamp into the lamp socket. Carefully push the lamp and make sure that the two locating spigots engage the slots of the contact strip.

 (3)
 Put the glass in position on the navigation light and install the two clips.

 Subtask 33-41-11-861-051
 C. Aircraft Maintenance Configuration
 (1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
 Subtask 33-41-11-865-056
 D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1LA, 2LA.

 Subtask 33-41-11-710-051
 E. Test
 (1) Do an operational test of the navigation lights (Ref. TASK 33-41-00-710-001).
 5. Close-up
________ Subtask 33-41-11-862-051
 A. Aircraft Maintenance Configuration
 (1) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
 Subtask 33-41-11-410-051
 B. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.
 (2) Install the wingtip glazing panel (Ref. TASK 57-37-12-400-001). Subtask 33-41-11-942-051
 C. Removal of Equipment
　
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