(1)
Overhead panel integral lighting
It comprises:
-
a circuit breaker 3LF. The normal busbar 103XP supplies 115VAC/400Hz to this circuit breaker (panel 122VU),
-
a potentiometer 7LF used for the adjustment of the integral lighting brightness (panel 25VU),
-
a lighting controller 6LF. Its 6 outputs provide the integral lighting of the placards and the instruments on the overhead panel.
(2)
Integral lighting of instrument panels, consoles and center pedestal It comprises:
-
a circuit breaker 4LF. The normal busbar 103XP supplies 115VAC/400Hz to this circuit breaker (panel 122VU),
-
a potentiometer 17LF which provides the adjustment of the integral lighting brightness (panel 111VU),
-
a lighting controller 16LF located close to the First Officer pedals. Its 6 outputs provide the integral lighting of the placards and the instruments on the instrument panels and the pedestal.
(3)
Glareshield integral lighting
It comprises:
Instrument and Panel Integral Lighting - Schematic
Figure 002
1EFF : ALL 1 33-13-00 Page 4
1 1 Feb 01/98
1 1
1CES 1
-a circuit breaker 5LF. The normal busbar 103XP supplies this circuit breaker with 115VAC/400Hz (panel 122VU),
-two linear or rotary potentiometers mounted in light 38LE. One is for the glareshield integral lighting, the other one for the FCU display lighting,
-a lighting controller 30LF located close to 16LF. Three outputs provide instrument display and panel integral lighting.
B. Standby Compass Lighting The lighting system of the standby compass comprises:
-
a circuit breaker 1LF. The busbar 401PP supplies this circuit breaker with 28VDC (panel 49VU),
-
a STBY COMPASS switch 2LF. It has 2 positions and controls the standby compass lighting (panel 25VU),
-
a foldable standby compass.
INSTRUMENT AND PANEL INTEGRAL LIGHTING - ADJUSTMENT/TEST
________________________________________________________
TASK 33-13-00-710-001
Operational Test of the Instrument and Panel Integral Lighting
1. Reason for the Job__________________
Make sure that the instrument and panel integral-lighting operates correctly.
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 24-41-00-862-002 Energize the Aircraft Electrical Circuits from the External PowerDe-energize the Aircraft Electrical Circuits Supplied from the External Power
3. Job Set-up__________
Subtask 33-13-00-860-051
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2) Pull the STANDBY COMPASS out.
Subtask 33-13-00-865-050
B. Make sure that this(these) circuit breaker(s) is(are) closed:
R R R R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU LIGHTING/ICE AND STBY/COMP/LIGHT 1LF H04 122VU LIGHTING/INSTL LT/GLARE/SHLD 5LF Y05 122VU LIGHTING/INSTL LT/MAIN INST/PNL AND/PED 4LF Y04 122VU LIGHTING/INSTL LT/OVHD/PNL 3LF Y03
4. Procedure
_________ Subtask 33-13-00-710-050
A. Operational Test of the Instrument and Panel Integral Lighting
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 25VU:
-
set the STBY COMPASS selector switch to STBY.
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set the selector switch to OFF.
2. On the panel 111VU:
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turn the INTEG LT/MAIN PNL & PED rheostat from OFF to BRT.
-
turn the rheostat from BRT to OFF.
3. On the panel 25VU:
-
turn the OVHD INTEG LT rheostat from OFF to BRT.
-
turn the rheostat from BRT to OFF.
4. On the glareshield 13VU:
-
move the rheostat cursors.
-
move the rheostat cursors to their initial position.
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