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| L-1011 Trainer - Electrical System Panel |
Today we continued with the work on the instrument lighting buses. The FE/SO station has four segments that make up the lighting bus fort he integral instrument lighting. The image below shows how the integral instrument lighting for the FE/SO Station is split over tow breakers located on the CB3 panel. The instruments on the lower left and the instrument on the lower right (as indicated) belong together and make up two segments of the instrument lighting bus. Further, each light plate on the FE/SO console has a discrete circuit breaker. The image above shows the 3 light plates that make up the Electrical System panel illuminated.
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| L-1011 Trainer - Integral Instrument Lighting Buildout |
The L-1011 can be powered with external power while on the ground. When external power is connected to the aircraft the green "AVAIL" annunciator illuminates on the lower left hand side of the electrical system panel and a hold solenoid is activated for the switch. When the switches is moved to the "ON" position the external power is directly connected to the AC Tie bus and the "ON" annunciator illuminates. The ON/OFF switch will release back to the "OFF" position when the hold solenoid is disconnect; the disconnect happens when either the external power is disconnected or another on-board generator (APU, or Engine) is being brought online.
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| L-1011 Trainer - External Power |
Below is a picture of the current state of the FE/SE Station buildout. The goal is to complete the integral instrumentation buildout over the next few days and then to move on to the light plates. By the way, each of the instrument and plate illumination systems is powered by a Lambda 5V 20A power source.
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