SECTION 06B: X3 SERIES ELECTRICAL
PA1621 Maintenance Manual All Series | Jul 2017
75
12.3 DRIVER’S AREA LIGHTS
Two halogen ceiling lights are installed over the
stepwell and the driver’s area. These lights are
frequently used for night-time operation when
passengers board or leave coach.
12.3.1 Bulb Removal and Replacement
1. Unsnap the lamp with a flat head
screwdriver and remove it.
2. Pull the defective bulb out of the socket.
3. Install the new bulb by pushing it in position.
4. Replace the lamp by snapping it back in
place.
CAUTION
Do not touch halogen bulbs with bare hands
as natural oils on skin will shorten bulb life
span.
12.4 PASSENGER SECTION LIGHTING
The passenger section of coach is lit by two
types LED strips installed on the overhead
compartments. The aisle or indirect lights are
located on front of overhead compartments, and
provide soft, indirect cabin lighting and overhead
compartment interior lighting.
More powerful lighting for general is provided by
LED strips located under the overhead
compartments, close to the windows. 24 volt
power is available for this lighting. In order to
save batteries during extended periods, the
battery charger can be connected prior use.
Moreover, adjustable reading lamps are installed
under the overhead compartments for
passenger accommodation.
FIGURE 63: OVERHEAD COMPARTMENT LIGHTING
12.4.1 LED Indirect Lighting / Overhead
compartment Interior Lighting
1. Open the overhead compartment access
door.
2. Using a Phillips head screwdriver, unscrew
and remove the existing LED strip (FIGURE
64).
3. Install a new LED strip as a complete unit.
FIGURE 64: LED INDIRECT LIGHTING IN OVERHEAD
COMPARTMENT
12.4.2 LED Direct Lighting
1. Start by pulling out the corner of the lens
then delicately peeling it out of its seat.
2. Unscrew and remove the LED strip
assembly (4 Phillips screws).
3. Install a new LED strip assembly.
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