FuelT-6A Fuel SYS107 Flashcards Preview

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Flashcards in FuelT-6A Fuel SYS107 Deck (18)
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1
Q

Approx. Fuel storage

A

1100 Lbs Usable
1200 Lbs Maximum (179 Gallons)

Ind. Tank Capacity:
Left - 530
Collector - 40
Right - 530

2
Q

How is fuel fed to the engine

A

Motive flow system

3
Q

Define Motive flow

A

Moving fuel through the lines causing a pressure difference between fuel lines and tanks, this causes lower static pressure creates “Siphoning” effect pulling fuel from the tanks

4
Q

3 Fuel Tanks

A

Left-Wing Tank
Collector Tank
Right-Wing Tank

5
Q

Refueling Methods

A

Single-point pressure:
Used for simultaneously refueling both wings Via the side, single point adapter.

Over the wing gravity refueling:
Uses 2 ports, one on each wing. Used to increase capacity by 50 lbs in each wing.

6
Q

Gravity Port Restrictions

A

There is no automatic shutoff for this method.

Fuel cannot be defueled via the over the wing gravity ports

7
Q

Define Defueling

A

Removal of fuel from the aircraft. (Done in 5 min. when performing extensive maintenance)

8
Q

Describe Boost Pump

A

-Located in the collector tank-
Provides fuel for initial engine startup, and serves as a backup to the engine-driven low-pressure fuel pump

Any time PSI is below 10 in the motive fuel line, or the PCL is above the start ready position, the Electric boost pump is turned on.

9
Q

Describe the fuel filter

A

Fuel pumped through the lines to the fuel filter, used to prevent contaminants to flow through. The filter is equipped with a fuel bypass

10
Q

Fuel Shutoff Valves

A

Firewall Shutoff valve:
Actuated by firewall shutoff handle, stops fuel flow to the engine. (Can be reversed)

Maintenance shutoff valve:
Used to isolate the fuel system for engine or fuel filter maintenance

11
Q

Fuel Pumps

A

An engine-driven low-pressure fuel pump is what feeds fuel to the Engine-Driven High-pressure fuel pump based on engine requirements.

12
Q

Describe FMU

A

The engine-driven high-pressure fuel pump routes fuel to the FMU
The FMU controls fuel delivery to the engine

13
Q

Fuel Flow Transmitter

A

-Located closer to the engine-

This sends a signal to the Alternate Engine Data Display.

14
Q

Motive Flow Line

A

Fuel is routed from low-pressure fuel pump down the motive flow line.

Is used to drive the primary and transfer jet pumps

15
Q

Primary Jet Pump

A

Fuel delivered by the motive fuel line drive the primary jet pump, the jet pump delivers fuel from collector tank to the low-pressure fuel pump

16
Q

Venturi Flow

A

Both Primary and Transfer jet pumps operate bu Venturi flow

17
Q

Flip-Flop Valve

A

This valve allows a Min. of 15 Sec. of fuel to feed to the engine during negative-G flight

18
Q

Fuel Level Probes

A

There are 7 Fuel level Probes.
3 in each wing tank
1 in the collector tank

They send the fuel level signal to the AEDD

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