Fuel Panel Flashcards
1
Q
SPAR VALVE CLOSED lights (blue)
A
- extinguished = related spar fuel valve is open
- bright blue = related engine or spar fuel valve is in transit, or valve position and engine start lever or engine fire handle disagree
- dim blue = related spar or engine fuel valve is closed
- controlled by start lever or fire handle
- during engine start, goes bright to out
2
Q
ENG VALVE CLOSED lights (blue)
A
- extinguished = related engine valve is open
- engine fuel valve is the HPSOV on the HMU
- bright blue = related engine valve is in transit, or valve position and engine start lever or engine fire handle disagree
- dim blue = related spar or engine fuel valve is closed
- controlled by start lever or fire handle
- during engine start, goes bright to out
3
Q
FILTER BYPASS light
A
- indicates impending fuel filter bypass due to a contaminated filter
- some or all fuel is bypassing the filter
- may not be ice (fuel heat is automatic)
4
Q
CROSSFEED VALVE OPEN light
A
- extinguished = the crossfeed valve is closed (the normal situation)
- bright blue = crossfeed valve is in transit or valve position and crossfeed selector disagree
- dim blue = crossfeed valve is open
5
Q
CENTER TANK FUEL PUMP LOW PRESSURE lights
A
- illuminated = fuel pump output pressure is low and pump switch on (
6
Q
FUEL PUMP Switches
A
ON - activates fuel pump - two pumps for each tank (center, left wing, right wing) OFF - deactivates fuel pump
7
Q
MAIN TANK FUEL PUMP LOW PRESSURE lights
A
- illuminated = fuel pump output pressure is low, or the pump switch is off (