Fuel Flashcards
Fuel temperature is taken from?
The Left (NO.1) tank
Will 1 low pressure light on a tank cause the MC?
Yes on Recall,
If Low pressure lights for the same tank illuminate then MC and Fuel system annunciators will show.
When is the Fuel LOW alert shown?
Fuel tank quantity less than 453kgs and will remain until quantity is increased to 567kgs
When is the Fuel CONFIG alert shown?
Centre tank quantity greater than 726kgs with both centre tank switches to off and will remain until the quantity is less than 363kgs
When is Fuel IMBAL alert shown?
Main tanks differ by more than 453kgs and is displayed until imbalance is reduced to 91kgs
Are the Fuel pumps AC or DC?
Each fuel tank uses two AC powered pumps.
Is the crossed valve AC or DC?
DC operated from the battery bus
Spar Fuel SOV’s AC to DC Motor?
DC from the hot battery bus
Maximum fuel temperature?
49 degrees
If LOW is displayed how much fuel is remaining in the tank?
907kgs
minimum fuel temp?
-43 or 3 degrees above freezing
Fuel Boost pumps are located in what tank?
The Main Tank
Where is the fuel temperature sensor located?
In the No1 tank
What is the source of electrical power for the engine fuel shutoff valves?
The battery bus
When ALL of the AC fuel pumps are switched on and operating and there is fuel in each tank, which tank would fuel for the APU normally be supplied from?
The Centre Tank
