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33 Cards in this Set
- Front
- Back
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Personnel Required |
One |
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Personnel working aft of station ___ inside the A/C with an APU running shall be equipped with suitable hearing protection. |
900 |
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If QSAS electrical power is interrupted in any way, what must the battery power switch be placed in? |
EMERGENCY |
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Will the AC be left unattended while the QSAS is operated? |
No |
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What cannot be open to allow QSAS electrical power to be applied to the AC? |
External power receptacle door. |
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What is pressurized when APU is in normal mode? This is the reason you cannot run the APU with uncapped hydraulic lines. |
Aircraft pneumatic manifold. |
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What will cause the APU to immediately shutdown potentially causing damage to the inlet muff or door linkage? |
Disengaging the APU Battery. |
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Frozen door check should be performed if the temperature is below ___ F |
40 |
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What detent must the battery switch be in before applying QSAS electrical power? |
EMERGENCY |
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Cargo compartment A/C control panel temperature control switch needs to be in what detent? |
MANUAL |
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AC must have a minimum of ____ pounds in the No __ main tank prior to APU operation. |
2,000 / 2 |
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Ensure AIR CONDITIONING MASTER switch is in the ____ position |
RAM AIR |
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When switched to APU BATT on the VOLTMETER, it should read? |
27 (+/- 3) Vdc |
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If APU battery voltage is ___ V or less, APU battery must be replaced. |
21 |
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What happens when APU FIRE/DSBLD switch-indicator and 1 EXT/2 EXT switch-indicator is pressed? |
lights come on |
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What should the APU accumulator gage read? |
3,000 (+/- 350) PSI |
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What should the APU surge damper pressure gage read? |
Pressure shown in chart (+/- 50 PSI) |
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Before starting, make sure generator switch is in the ___ position. |
OFF |
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All starts must be initiated from where? |
APU control panel. |
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Place and hold MODE SELECT switch in GEN ONLY position until applicable tachometer indicates ___ RPM. |
60 |
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Allow the APU to run for a minimum of ___ in the GEN only mode before switching to the NORMAL MODE. |
60 seconds |
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When you first position APU START/STOP switch to start, what happens? |
DRS OPN light comes on, tachometer accelerates to 100% in 11 seconds, RDY light remains out, EGT meter increases rapidly to 800F |
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When you position APU START/STOP switch to start for the second time, what happens? |
RDY light comes on, EGT meter increases rapidly to 1200F. |
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If fan ducts on No 1 and/or No 4 engines are raised ensure what? |
Flap handle is Up and Warning tag is attached to flap handle. |
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When SELECTOR VOLTMETER & FREQ METER on electrical control panel is placed to EXTERNAL POWER...VOLTS read / HERTZ read |
200 (+/- 10) V / 400 (+/- 5) cycles |
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After applying power, when the SELECTOR AMMETER and VOLTMETER is rotated to TR1 and/or TR2...VOLTS read |
27 (+/- 3) Vdc |
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After __ of charging, batter chargine current should be less that ___. |
10 minutes / 9 A |
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What system needs to be pressurized to build APU accumulators before shutting down the QSAS? |
Right system. |
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When the APU START/STOP switch is placed to STOP...what happens? |
RDY light goes out, EGT meter drops slowly to 800 F in 1 minute. |
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After emergency stop on APU is initiated, it takes approximately ___ for intake and exhaust doors to close and ____ lights to go out. |
30 seconds, DRS OPN |
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To initiate QSAS Emergency Stop, Momentarily press No 1 and No 2 ____ switches on QSAS control panel. |
EMER STOP |
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After emergency stop on APU is initiated, No 1 and No 2 ____ lights go out if APUs were operating in normal mode. |
APU RDY. |
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After emergency stop on APU is initiated, No 1 and No 2 APU rpm begins to ____. |
Decrease. |
