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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-14-00-005
Purpose
The dome lights supply light to all of the flight compartment.
location
There are two dome lights. One is on the P6 panel. The other
light is on the P18 panel.
Physical Description
Each light has these components:
* Lamp
* Screws (4)
* Lens
* Lens retainer.
Operation
A three position switch on the P5 panel controls the dome lights.
The switch has these three positions:
* OFF - no power to the light
* DIM - light on in the dim mode
* BRT - light on in the bright mode.
Functional Description
Power to the dome light is from the 28v dc battery bus. With the
dome light switch in the BRIGHT position, 28v dc goes to the
lamp. With the switch in the DIM position, a resistor decreases
power to the lamp. With the switch in the OFF position, there is
no power to the lamp.
The dome light on the P18 panel is a dual lamp assembly. One
lamp is an emergency light for the flight compartment. It comes
on with the emergency light system.
LIGHTS - MISCELLANEOUS LIGHTS - DOME LIGHTS
EFFECTIVITY
GUN ALL 33-14-00
Page 8
D633A101-GUN Oct 10/2002
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-14-00-006
LIGHTS - MISCELLANEOUS LIGHTS - DOME LIGHTS
LIGHTS - MISCELLANEOUS LIGHTS - DOME LIGHTS
EFFECTIVITY
GUN ALL 33-14-00
Page 9
D633A101-GUN Feb 10/2003
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-14-00-006
Purpose
The floodlights supply light to these panels:
* P1 captain instrument panel
* P2 center instrument panel
* P3 first officer instrument panel
* P7 lightshield panel
* P8 aft electronics panel
* P9 forward electronics panel.
Location
The floodlights for the P1, P2, P3, and P7 panels are above the
panels. The control switch for these flood lights are on the P1
and P3 panels.
The floodlight for the P8 and P9 panels is above the aisle stand
on the P5 panel. The control switch is on the aft left section of
the P8 panel.
Physical Description
These are the two types of floodlights:
* Strip floodlights
* Spot flood lights.
The strip floodlight has many incandescent lights attached to a
lens. Each spot floodlight is an incandescent bulb.
Operation
You can use the OFF-BRIGHT controls to adjust the intensity of
the lamps.
LIGHTS - MISCELLANEOUS LIGHTS - FLOODLIGHTS
EFFECTIVITY
GUN ALL 33-14-00
Page 10
D633A101-GUN Oct 10/2002
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-14-00-007
LIGHTS - MISCELLANEOUS LIGHTS - FLOODLIGHTS
LIGHTS - MISCELLANEOUS LIGHTS - FLOODLIGHTS
EFFECTIVITY
GUN ALL 33-14-00
Page 11
D633A101-GUN Feb 10/2003
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-14-00-007
Functional Description
The floodlights can operate in two modes, normal and standby.
Not all floodlights can operate in the standby mode.
You control the AFDS (glareshield P7) control panel floodlights
with the glareshield bright/dim control. The panel floodlights
receive power from the 115v ac transfer bus. These lights do not
operate in the standby mode.
You operate the control stand floodlight from the floodlight
control switch on the P8 panel. The control stand floodlight does
not operate in the standby mode.
Normal Mode
In the normal mode, you can adjust the intensity from the
floodlight. In the standby mode, the light intensity cannot
change.
When the 115v ac transfer bus has power, the K1 standby relay
energizes. This connects the main panel bright/dim control to
the main panel floodlight dimmer control unit. When you push
and turn this control on the P1 panel, it adjusts the resistance to
the main panel floodlight dimmer control unit. This unit uses the
input to adjust the light from the three main panel floodlights for
the captain (P1), first officer (P3), and the center (P2) panels.
Standby Mode
When the 115v ac transfer bus does not have power, the
standby relay de-energizes. In the standby mode, the
resistance to the main panel floodlight dimmer control unit is
set by the standby resistors. In this mode, the intensity cannot
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