Flashcards in Fuel Deck (14):
How many tanks does the airplane have?
Where is the Fuel tank Temp taken?
What types of fuel pumps are in each wing?
-Primary Ejector Pump
-DCMP (right wing)
-3 Scavenge ejector pumps
What is the primary ejector pump?
Venturi pump with no moving parts and no electrical power used by the respective engine
Powered by motive flow
What is the purpose of the ACMP?
-Back-up pump in case of primary ejector pump failure
What is the purpose of the DCMP?
Used for APU or engine start if AC power or the ACMP is not available
What is the purpose of the scavenge pumps?
Maintains fuel level in the collector box
What pump(s) is used once the engine is started?
Associated primary ejector pump
What is the purpose of the collector box?
-Keeps the fuel pumps submerged
-Ensures constant fuel flow to the respective engine
What is the surge/vent tank?
-Collects fuel during wing-down maneuvers and returns it to the main tanks once the wings are level
-Equalizes tank pressure with atmosphere in flight and during refueling
Can fuel e transferred from tank-to-tank or be dumped overboard?
No (the only exception is by performing a maintenance function on the ground)
What happens when the crossfeed switch is selected to LOW 1?
-Crossfeed valve is open
-Commands the ACMP 2 to "ON" to provide fuel from the right tank to both engines
What is the only way to close the engine fuel SOV?
Pull the associated engine Fire Extinguishing Handle