R  Ballast Unit and Lampholder 
R  Figure 401B/TASK 33-24-11-991-006-B 
R 1EFF :  301-399,  1  33-24-11 Page 405 
1  1  Aug 01/04
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 (4)
 Push the slidebuttons (6) at each end of the lampholder (5) and
 remove the fluorescent tube (7).

 (5)
 Removal of the ballast unit and lampholder

 (6)
 Remove the screws (1), the washers (2) and the cover (3).

 (7)
 Release the quick release fasteners (9) and remove the fluorescent lamp cover (8).

 (8)
 Disconnect the electrical connector (4).

 (9)
 Put blanking caps on the disconnected electrical connectors.

 (10) Remove the screws (11), the washers (10) and the ballast unit and lampholder (5) from the lavatory structure.
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 TASK 33-24-11-400-006
 Installation of the Ballast Unit and Lampholder

 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)
 B. 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

R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
 33-24-11-991-006 Fig. 401 R **ON A/C 106-149, 211-299,
 33-24-11-991-006-A Fig. 401A
 **ON A/C 301-399,

 33-24-11-991-006-B Fig. 401B **ON A/C ALL

 3. Job Set-up
__________
 Subtask 33-24-11-865-069

 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2000VU LIGHT - LAV 1LQ J01
 4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210,
 (Ref. Fig. 401/TASK 33-24-11-991-006) R **ON A/C 106-149, 211-299,
 (Ref. Fig. 401A/TASK 33-24-11-991-006-A)
 **ON A/C 301-399,

 (Ref. Fig. 401B/TASK 33-24-11-991-006-B)
 **ON A/C ALL

 WARNING : MAKE SURE THAT YOU INSTALL THE BALLAST UNIT AND THE WIRING
_______ CORRECTLY. THIS WILL PREVENT DAMAGE TO THE WIRING AND ALL DANGER OF ELECTRICAL SHOCK.

 Subtask 33-24-11-420-059

 A. Installation of the Ballast Unit with Lampholder and the Fluorescent Tube
 (1)
 Installation of the Ballast Unit with Lampholder

 (a)
 Clean the component interface and/or the adjacent area.

 (b)
 Do an inspection of the component interface and/or the adjacent area.

 (c)
 Install the ballast unit and lampholder (5) to the lavatory structure with the washers (10) and the screws (11).

 (d)
 Remove the blanking caps.

 (e)
 Connect the electrical connector (4).

 (f)
 Install the fluorescent lamp cover (8) with the quick release fasteners (9).

 (g)
 Install the cover (3) with the screws (1) and the washers (2).

 (2)
 Installation of the Fluorescent Tube

 (a) Install the fluorescent tube (7).
 (b) Close the service cabinet door (13).
 Subtask 33-24-11-861-055

 B. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). R **ON A/C 001-049, 051-099, 101-105, 151-199, 301-399, 401-499,
 Subtask 33-24-11-865-063
 C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breakers: 1LQ.

 **ON A/C ALL

 Subtask 33-24-11-710-056
 D. Test of the Ballast Unit and The Lampholder.
 (1)
 On the Forward Attendant Panel (FAP) 120RH push the membrane switch MAIN ON.

 (2)
 On the FAP 120RH push the membrane switch POWER LAV to on.

 (3)
 Make sure that the lavatory light comes on.
　
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