No Smoking/Fasten Seat Belt Signs
 Figure 401/TASK 23-73-63-991-001- 22 (SHEET 2)

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-63Page 407 1201-299, 1May 01/05 1 1 1CES 1

 No Smoking/Fasten Seat Belt Sign
 Figure 401A/TASK 23-73-63-991-001-A12 (SHEET 1)

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 No Smoking/Fasten Seat Belt Sign
 Figure 401A/TASK 23-73-63-991-001-A22 (SHEET 2)

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 Subtask 23-73-63-020-050-A
 A. Removal of the No Smoking/Fasten Seat Belt Sign (NS/FSB)
 (1)
 Removal of the No Smoking/Fasten Seat Belt (NS/FSB) Sign from 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 sign (8).

 (c)
 Release the spring clips (9) with a SCREWDRIVER - SMALL and lower the NS/FSB sign housing (8).

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

 (e)
 Disconnect the electrical connectors (10).

 (f)
 Remove the NS/FSB sign housing (8).

 (2)
 Removal of the No Smoking/Fasten Seat Belts (NS/FSB) Sign from the C/B panels 2000VU and 2001VU

 (a)
 Release the quick-release fasteners (7) and lower the related circuit breaker panel (5).

 (b)
 Release the detent hook (4) and lower one side of the circuit breaker panel (5).

 (c)
 Release the spring clips (13) with a SCREWDRIVER - SMALL and lower the NS/FSB sign housing (12).

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

 (e)
 Disconnect the electrical connectors (11).

 (f)
 Remove the NS/FSB sign housing (12).

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 TASK 23-73-63-400-001
 Installation of the No Smoking/Fasten Seat Belt (NS/FSB) Signs in the PSIU and the C/B panels 2000VU and 2001VU.
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
98A25207503000 1 PULLEY ASSEMBLY - SEALING CORD
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
23-73-00-861-001 Energize the Cabin Intercommunication Data System (CIDS) 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
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 23-73-63-991-001 Fig. 401 R **ON A/C 106-149, 301-399, 401-499,
 23-73-63-991-001-A Fig. 401A
 1EFF : ALL 1 23-73-63Page 411 1 1 Aug 01/05 1 1 1CES 1 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 23-73-63-860-050

 A. Aircraft Maintenance Configuration
 (1) Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
 (2) Make sure that the related PSIU and/or C/B panel is open.
 Subtask 23-73-63-865-051

 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 49VU COM/CIDS/DEU A ESS/LINE 2 155RH G05
 49VU COM/CIDS/DEU A ESS/LINE 1 154RH G04

R **ON A/C 106-149, 301-399, 401-499,
 49VU COM/CIDS/DEU A ESS/AFT R 172RH HA12 49VU COM/CIDS/DEU A ESS/AFT L 179RH HA11 49VU COM/CIDS/DEU A ESS/FWD R 158RH HA10 49VU COM/CIDS/DEU A ESS/FWD L 159RH HA09
 **ON A/C 301-399,
 49VU COM / CIDS / DEU A ESS / MID R 196RH G05
 49VU COM / CIDS / DEU A ESS / MID L 195RH G04
 **ON A/C 001-049, 051-099, 101-105, 201-299,
 121VU COM NAV/CIDS/DEU A NORM/R AFT 168RH M13
　
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