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28 Cards in this Set
- Front
- Back
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what is the purpose of the MSU-200NAV?
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to provide for aircraft main engine start
(MES) and to supply on-board environmental control systems (ECS) with compressed air. |
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what does FADEC stand for?
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Full Authority Digital Engine Control
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what does BACV stand for?
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bleed air control valve
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which compartment contains
the cold components such as batteries, fuel filter, gearbox, starter, generator, fuel control unit, relay box, and an engine control system (FADEC)? |
The compressor compartment
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which compartment contains the powerhead,
exhaust mixer, bleed air control valve (BACV), and feeder tank? |
The
turbine compartment |
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what does BITE stand for?
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Built-In
Test Equipment |
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what system checks all electrical sensors and valves
for proper operation prior to starting the unit and supervises the operating data and its limits during start up and operation? |
BITE
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what are the 3 categories of failures on the BITE?
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1. Failures during self test
2. Failures during start up of the unit. 3. Failures during normal operation |
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what is the bleed air flow rate?
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204 lb/min
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what is the bleed air pressure?
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56 psia
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what is the rated speed of the turbine?
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46,130 rpm
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what is the bleed air pressure?
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56 psia
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what is the bled air temperature?
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420°F
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what is the operating temperature range?
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-40°F to +135°F
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what is the operating voltage?
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24 vdc
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what is the fuel consumption?
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approx. 37.4 US gal/hr
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what type of lubricating oil is used?
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MIL-PRF-7808 or MIL-PRF-23699
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how many volts does the generator produce?
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29.2 VDC
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what is the purpose of the exhaust mixer?
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It is used to ventilate the turbine
compartment and to mix fresh air into the exhaust gas to reduce its temperature. |
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The powerhead, generator, starter,
and fuel pump are flanged to what component? |
the gear box
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how many amps is the generator rated at?
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55 amp
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what component controls the airflow to the
aircraft? |
Bleed Air Control Valve (BACV).
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the Bleed Air Control Valve (BACV) is electrically operated by what component?
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the FADEC.
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A fuel
level sensor installed in the feeder tank monitors the fuel level and initiates a unit shut down when the level of fuel in the tank lowers to __% full. |
30%
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serves as an
what component serves as an intermediate tank and prevents air from getting into the fuel system if the main fuel tank runs dry? |
the feeder tank
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what component supplies fuel from the fuel tank to the feeder tank?
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the boost pump
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what type of valve is used in the fuel control unit to meter the quantity of fuel demanded by the FADEC?
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a proportional valve
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what type of tractor is the MSU-200NAV attatched to with an L-frame?
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A/S32A-31B
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