Fuel System Flashcards
What does the fuel system incorporate?
Storage, distribution, indication
Explain how the fuel is delivered to the engines from the fuel tanks with engines running
Motive flow: high-pressure fuel from the FMU primary ejector pump draws fuel from collector tank and returns fuel to the FMU
What is the function of the injector fuel pump
normal source of fuel to the engines
What is the function of the scavage ejector pump
Maintains the level of the collector tank
What is the function of the DC auxiliary pump
Provides fuel under pressure during start
What is the function of the crossfeed
Operation in case of ejector pump failure
What is the purpose of each in AC air inlet on each wing
Insure differential pressure between tank and ambient remains with the structural limits
When will the DC boost pumpsbe activated with the DC pump switch in the auto position
Start, crossfeed, low pressure
Describe the fuel crossfeed operation
Engine being fed by opposite Tank, Crossvalve open, opposite boost pump activated
What is the purpose of the scavenge ejector pump
Maintain level of the collector tank
In case of fuel and balance, when will the fuel and balance CAS message extinguish?
When the balance between taxes within 88 pounds
Describe how to fuel system is affected by pushing in the fire shutoff button
The shut off button closes the respective side fuel shut off valve, in the engine fuel feed line
