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29 Cards in this Set
- Front
- Back
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Describe the voltage and amps of battery |
24v, 42ampere hour sealed lead acid |
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What generators supply power |
30 volt regulated to 28.25volts, 250ampere starter-generatorsw |
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Where is the battery located |
Right wing centre section |
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Where is the battery switch |
Left pilot sub panel behind gang bar |
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What is the isolation limiter rated to ? |
325 amps |
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What is the isolation limiter rated to ? |
325 amps |
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How much could the starter draw generator during engine start. |
Initially 1,100amps reducing to 300 approaching 20% N1 |
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At what percentage will the engine start to drive the generator? what percentage can the generator be switched on at ? |
Drives at 35%, April 70% in high idle switch on generator |
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Where are the generator switches |
Behind the gang bar left side sub panel |
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How do you switch on the generator |
Hold in the up (reset position) for Minimum 1 second then release to on (middle) position |
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Ground power receptor position? |
Right wing outboard of the nacelle |
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What does the generator load meter read in? |
Percentage of 250amps eg 10% = 25 amps |
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At what percentage will the engine start to drive the generator? what percentage can the generator be switched on at ? |
Drives at 35%, April 70% in high idle switch on generator |
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Where are the generator switches |
Behind the gang bar left side sub panel |
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How do you switch on the generator |
Hold in the up (reset position) for Minimum 1 second then release to on (middle) position |
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Ground power receptor position? |
Right wing outboard of the nacelle |
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What does the generator load meter read in? |
Percentage of 250amps eg 10% = 25 amps |
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Procedure for connecting ground power, |
1Check source polarity 2BATT switch to On 3 GPU Voltage less than 32 |
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How many volta must the battery have prior to usage of GPU |
20v |
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How many volta must the battery have prior to usage of GPU |
20v |
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How do you switch off avionics before connecting ground power |
Switch on battery, switch off avionics master, switch off individual avionics separately |
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Max voltage slowed to be supplied to battery |
30v for no longer than 2 mins |
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How is each bus protected? |
60 ampere current limiter 70 ampere reverse current diode 50 ampere circuit breaker |
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Inverters provide what? For what? |
115v Ac at 400hz 26v AC at 400hz For avionics and engine instruments |
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Inverters provide what? For what? |
115v Ac at 400hz 26v AC at 400hz For avionics and engine instruments |
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Max sustained Generator load limits |
SL to 31,000ft - 100% Above 31,000ft - 88% Ground - 85% |
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Inverters provide what? For what? |
115v Ac at 400hz 26v AC at 400hz For avionics and engine instruments |
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Max sustained Generator load limits |
SL to 31,000ft - 100% Above 31,000ft - 88% Ground - 85% |
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Starter usage limitation |
40s on 60s off 40s on 60s off 40s on 30 mins off |
