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28 Cards in this Set
- Front
- Back
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List electrical system major components |
Electrical Cockpit Control Panel, PDU, GCU, Batteries, C/B panels, Starter Generator, External power, Toroid ground fault transformer. |
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PDU location |
L/R fwd belly electrical bays |
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GCU location |
L/R fwd belly electrical bays |
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Battery location |
L/R fwd belly electrical bays |
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Electrical Cockpit Control Panel location |
L/H cockpit |
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C/B panel location |
L/R cockpit |
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External power receptacle location |
R fwd lower fairing |
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Toroid ground fault transformer location, both |
Upper pylons for ground, GLC feed cable in PDU |
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Starter generator location |
Accessory drive gearbox, L/R engine. |
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External power requirements |
18-32 VDC accepted, 27.5-28.5 optional, correct polarity. |
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External power control |
Plug in, battery master on. |
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Describe battery type legacy |
2 batteries, 28 Amp hour |
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Describe battery type elite. |
L lightweight 17 amp hour, R 28 amp hour. |
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turn on ground service bus operation |
Open, external power or cabin door |
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What does ground service bus power |
Externally serviceable Toilet macerator |
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How is generator to PDU cable protected |
Toroid ground fault sensor. GND in pylon, power in PDU. |
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Generator power type |
28 VDC |
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Generator output rating |
325 amps |
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Generator inspection procedures |
Inspect brushes 600 hours. Replace at 1200 hours. |
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What controls generators |
GCU, generator control unit |
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Which battery controls engine start. |
#2 battery |
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Allowable PDU maintenance. |
Reset circuit breakers, reset solid state relays via MFD, remove and replace PDU. |
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Describe AC electrical system |
1-2 inverters, 110 VAC, 3-6 A/C outlets in cabin |
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Which bus supplies inverter 1 |
Cabin bus A |
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Which bus supplies inverter 2 |
Cabin bus B |
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AC outlet flashes green |
Inverter power up |
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AC outlet solid white |
Inverter bit failure, GFU, inverter overtemp |
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AC outlet green |
110 VAC power |
