-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------

R **ON A/C 106-149, 401-499,
 121VU COM NAV/CIDS/DEU A NORM/R AFT 168RH M12
 121VU COM NAV/CIDS/DEU A NORM/L AFT 167RH M11

R **ON A/C 106-149, 151-199, 401-499,
 121VU COM NAV/CIDS/DEU A NORM/R FWD 164RH M10
 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M09
 **ON A/C 151-199,
 121VU COM NAV/CIDS/DEU A NORM/R AFT 168RH M14 121VU COM NAV/CIDS/DEU A NORM/L AFT 167RH M13 121VU COM NAV/CIDS/DEU A NORM/R MID 166RH M12 121VU COM NAV/CIDS/DEU A NORM/L MID 165RH M11
 **ON A/C 301-399,
 121VU COM NAV/CIDS/DEU A NORM/R FWD 164RH M11
 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M10
 Subtask 23-73-63-865-068
 C. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
 -------------------------------------------------------------------------------
2001VU CIDS/DEU A NORM/ MID/ LH 197RH C04
 2001VU CIDS/DEU A NORM/ MID/ RH 198RH C05
 2001VU CIDS/DEU A NORM/ AFT/ LH 173RH C06
 2001VU CIDS/DEU A NORM/ AFT/ RH 174RH C07
 1EFF : ALL 1 23-73-63Page 403 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 4. Procedure
_________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,

 (Ref. Fig. 401/TASK 23-73-63-991-001) R **ON A/C 106-149, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 23-73-63-991-001-A)
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,

 Subtask 23-73-63-020-050
 A. Removal of the No Smoking/Fasten Seat Belt sign (NS/FSB)
 (1)
 Removal of the NS/FSB with bulbs of the PSIU

 (a)
 Remove the section-hose (1) from one side of the mounting rail (2).

 (b)
 Pull and lower the related PSIU (3) to get access to the NS/FSB (7).

 (c)
 Release the spring clips (4) with a small screwdriver and remove the lens (5).

 (d)
 Identify all the electrical wires, before you disconnect them.

 (e)
 Disconnect the electrical connectors (8) from the NS/FSB sign (7).

 (f)
 Release the spring clips (6) on both sides of the housing and remove the NS/FSB sign (7).

 (2)
 Removal of the NS/FSB with LED's of the PSIU

 (a) Remove the section-hose (1) from one side of the mounting rail (2).
 1EFF : ALL 1 23-73-63Page 404 1 1 Aug 01/05 1 1 1CES 1

 (b)
 Pull and lower the related PSIU (3) to get access to the NS/FSB (10).

 (c)
 Release the spring clips (9) with a small screwdriver and lower the NS/FSB sign housing (10).

 (d)
 Identify all the electrical wires, before you disconnect them.

 (e)
 Disconnect the electrical connector (11).

 (f)
 Remove the NS/FSB sign housing (10).

 (3)
 Removal of the NS/FSB with bulbs of the C/B panel 2000VU and 2001VU

 (a)
 Release the quick-release fasteners (20) and lower the related circuit breaker panel (21).

 (b)
 Release the detent hook (22) and lower one side of the circuit breaker panel (21).

 (c)
 Release the spring clips (12) with a small screwdriver and remove the lens (13).

 (d)
 Release the spring clips (14) with a small screwdriver and lower the NS/FSB sign (15).

 (e)
 Identify all the electrical wires, before you disconnect them.

 (f)
 Disconnect the electrical connectors (16) from the NS/FSB sign (15)).

 (g)
 Remove the NS/FSB sign (15).

 (4)
 Removal of the NS/FSB with LED's of the C/B panel 2000VU and 2001VU

 (a)
 Release the spring clips (17) with a small screwdriver and lower the NS/FSB sign (18).

 (b)
 Identify all the electrical wires, before you disconnect them.

 (c)
 Disconnect the electrical connector (19).

 (d)
 Remove the NS/FSB sign (18).

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-63Page 405 1201-299, 1May 01/05 1 1 1CES 1

 No Smoking/Fasten Seat Belt Signs
 Figure 401/TASK 23-73-63-991-001- 12 (SHEET 1)

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-63Page 406 1201-299, 1May 01/05 1 1 1CES 1
　
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