Controls

Question 1

ENG VALVE CLOSED and
SPAR VALVED CLOSED

Answer 1

Extinguished - OPEN
Blue Bright - transit or valve disagree with ESL or EFS.
DIM - closed

Question 2

Fuel temp?

Answer 2

tank 1

Question 3

CF Valve open ?

Answer 3

Extinguished - closed
Dim - open

Question 4

MCaution FUEL light for centre tank fuel pump?

Answer 4

CTR TANK switches ON
continuous illumination of one LP light for 10s.

Question 5

Main Tank FUEL PUMP LOW PRESSURE lights?

Answer 5

2 x LP lights on in same tank will give MCAUT and FUEL.

1 x LP light will give light on RECALL

Question 6

Fuel Alerts NG?

Answer 6

**LOW
<907kg
Remain fuel 1134kg
digits turn amber

CONFIG
either engine run
CTR tank >726kg
BOTH CTR tank fuel P switches OFF
Remain
both eng NOT running
CTR tank <363kg
one CTR tank ON

IMBAL
tanks differ 453kg
inhibited by fuel LOW
remain 91kg

Question 7

Fuel alerts MAX?

Answer 7

*FUEL FLOW
actual engine FF rate vs FMCS expected FF rate exceeds threshold value for 5min

*Fuel disagree
totalizer fuel quantity and FMC calculated fuel quantity disagree.

*USING RSV FUEL
FMC fuel at destination less entered RSV FUEL

*INSUFFICIENT FUEL
FMC fuel at destination less 900KG

Question 8

Fuel measuring stick?

Answer 8

Comparison of fuel quantity / weight from measuring stick and fuel weight by fuel quantity indicators.

6 each main tank
4 - centre tank
withdraw stick
latch magnetically to internal float
fuel depth is where stick passed through skin.
Use tables

Question 9

Manual Defuel

Answer 9

Defuel valve open
connection engine fee system and fueling station. either goes to defual truck or into the centre tank.

Question 10

Solenoid override?

Answer 10

mechanically opens solenoid operated valve. Valve opens if pressure available.

Question 11

Fueling valves open?

Answer 11

BATT switch ON
refuel door open
fuel press opens the valve

Question 12

Refuel power control relay?

Answer 12

proximity switch - activate/deactivate fueling system.