(2)
On the overhead panel 25VU, make sure that the NO SMOKING switch 190RH is in the OFF position.
(3)
On the Forward Attendant Panel (FAP) 120RH, make sure that the LIGHT EMER pushbutton switch and its integral light are off.
(4)
Put the stepladder in position at the applicable zone.
4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 201-299,
(Ref. Fig. 401/TASK 33-51-17-991-001)
Emergency Exit Location Sign
Figure 401/TASK 33-51-17-991-001
R 1EFF : 001-049, 051-099, 101-149, 201-299, 1 33-51-17Page 403 1 1 May 01/05 1 1 1CES 1R **ON A/C 151-199, 401-499,
(Ref. Fig. 401A/TASK 33-51-17-991-001-A)
**ON A/C 301-399,
(Ref. Fig. 401B/TASK 33-51-17-991-001-B)
**ON A/C ALL
Subtask 33-51-17-020-050
A. Removal of the Emergency Exit Location-Sign
(1)
Remove the emergency exit location-sign lens (1).
(2)
Remove the screws (2) and the washers (3).
(3)
Lower the emergency exit location-sign (4) to get access to the electrical connectors (5).
(4)
Disconnect the electrical connectors (5).
(5)
Put blanking caps on the disconnected electrical connectors.
(6)
Remove the emergency exit location-sign (4).
Emergency Exit Location Sign
Figure 401A/TASK 33-51-17-991-001-A
R 1EFF : 151-199, 401-499, 1 33-51-17Page 405 1 1 Aug 01/05 1 1 1CES 1
R Emergency Exit Location Sign
R Figure 401B/TASK 33-51-17-991-001-B
R 1EFF : 301-399, 1 33-51-17 Page 406
1 1 May 01/04
1 1
1CES 1
TASK 33-51-17-400-001
Installation of the Emergency Exit Location-Sign
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. 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
**ON A/C 001-049, 051-099, 101-149, 201-299,
33-51-17-991-001 Fig. 401 R **ON A/C 151-199, 401-499,
33-51-17-991-001-A Fig. 401A
**ON A/C 301-399,
33-51-17-991-001-B Fig. 401B **ON A/C ALL
3. Job Set-up
__________
Subtask 33-51-17-865-051
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU LIGHTING/EMER LT/CABIN 2WL H06 49VU LIGHTING/EMER LT/CABIN 1WL H05
Subtask 33-51-17-860-053
B. Aircraft Maintenance Configuration
(1)
On the overhead panel 25VU, make sure that the EMER EXIT LT switch 4WL is in the OFF position.
(2)
On the overhead panel 25VU, make sure that the NO SMOKING switch 190RH is in the OFF position.
(3)
On the Forward Attendant Panel (FAP) 120RH, make sure that the LIGHT EMER pushbutton switch and its integral light are off.
(4)
Make sure that the stepladder is in position.
4. Procedure
_________
**ON A/C 001-049, 051-099, 101-149, 201-299,
(Ref. Fig. 401/TASK 33-51-17-991-001) R **ON A/C 151-199, 401-499,
(Ref. Fig. 401A/TASK 33-51-17-991-001-A)
**ON A/C 301-399,
(Ref. Fig. 401B/TASK 33-51-17-991-001-B) **ON A/C ALL
Subtask 33-51-17-910-051
A. Preparation for Installation
(1)
Make sure that the parts retained from the removed component are clean and in the correct condition.
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