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6 Cards in this Set
- Front
- Back
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How is fuel supplied to the APU?
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through a shrouded line from the pressurized crossfeed manifold or by gravity feed from the No. 3 main wing tank.
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The APU starter is a what?
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an hydraulic motor operated by pressure from two accumulators located in the start box.
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What is the capacity of the start accumulator?
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approximately 1-1/2 gallons
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How long does it take to recharge the accumulator?
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recharging takes about two minutes using the Aux No. 1 hydraulic pump.
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The APU limits the supply of bleed air to keep what within limits?
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limits the supply of bleed air to keep the EGT within limits
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APU automatic shutdown is caused by any of the following:
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(FLOS); actuation of APU fire detection system, low oil pressure, overspeed, or opening of the squat switch.
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