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747-400 MAINTENANCE MANUAL
 (b)  Open these circuit breakers and attach DO-NOT-CLOSE tags: 1) P83 Panel a) APU PRIMARY CONTROL
 2)  P6 Power Distribution Panel a) 6L30 NAV LTS-TAIL
 S 022-051
 (2)  Remove the Light:
 (a)  
Remove the light assembly fasteners (2).

 (b)  
Pull on the light assembly (1) to get access to the electrical wires (9).

 (c)  
Disconnect the electrical wires (9) from the terminals on the light assembly (1).

 (d)  
Remove the light assembly (1).

 TASK 33-43-01-402-052
 4.  Taillight Installation (Fig. 201)
______________________
 A. Parts ~.............................................................................. | AMM | | AIPC | ................. ...........................| | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ...............................................................................|
 | 201  |  1  | Light Assembly  | 33-43-00  |  01  |  5  |
 |  |  2  | Light Assy. Fasteners *[1]  |  |  |  |
 |  |  3  | Lens Assembly  |  |  |  |
 |  |  4  | Lens Assy. Fasteners  |  |  |  |
 |  |  5  | Lamp  |  |  |  |
 |  |  6  | Lamp Retainer  |  |  |  |
 |  |  7  | Lamp Retainer Screws  |  |  |  |
 |  |  8  | Lamp Holder Assy.  |  |  |  |
 |  |  9  | Electrical Wires  |  |  |  |

 2......…........…...................................…...........…......….......1 *[1] Items 2-9 To be furnished
 B.  References
 (1)  24-22-00/201, Manual Control
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MAINTENANCE MANUAL

 (2)  SSM 33-43-10
 C.  Access
 (1)  Location Zone
 300 Empennage - Tail Cone

 D.  Procedure
 S 422-033
 (1)  Install the Light:
 (a)  
Connect the electrical wires (9) to the light assembly (1).

 (b)  
Put the light assembly in its position and install the light assembly fasteners (2).

 S 712-053
 (2)  Do a Test of the Tail Navigation Light:
 (a)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker:

 1)  P6 Power Distribution Panel
 a) 6L30 NAV LTS-TAIL

 (b)  
Supply electrical power (Ref 24-22-00/201).

 (c)  
Put the NAV switch on the P5 panel to the ON position.

 (d)  
Make sure the tail navigation light is on.

 (e)  
Put the NAV switch on the P5 Panel to the OFF position.

 E.  Put the airplane back to its usual condition
 S 862-054
 (1)  
Remove the DO-NOT-OPERATE tag from the APU CONTROL switch on the P5 panel.

 S 862-055

 (2)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker:

 (a)  P83 Panel
 1) APU PRIMARY CONTROL

 (3)  
Remove electrical power if it is not necessary (Ref 24-22-00/201).

 S 862-043
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 WINGTIP NAVIGATION LIGHT TRANSFORMER - REMOVAL/INSTALLATION
___________________________________________________________
 1.  General_______
　
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