12- Fuel Flashcards
eng valve closed or spar valve lights
off, dim, bright
extinguished valve is open
dim valve closed
bright transit or disagree (start lever or firesw)
cross feed valve open
transit or disagree bright
open dim
fuel filter bypass
if both illuminate?
impending or actual fuel filter bypass
IF BOTH LIGHT ILLUMINATE WILL EXTINGUISH ONLY ON GROUND ENGINED SHUTDONW
fuel indicator works with with power ?
ac or dc
max on eng display
fuel flow
ff is higher than expected by fmc for 5min
fuel low
907on
1134 off
config
726 to 363 kg on ctr tnk and 2 ctr pump off
or one pump on
imbalance
more than 453 kg different
goes off on 91kg diff
inhibit if low
fuel disagree max
fmc calculeted and totalizer disagree
insufficient fuel
destination with less than 900 kg
ngs stops if 5
acft on gnd either eng off fire or smoke detected cago or cabin left pack ovht ctr refueling valve open
fuel pumps powered by
ac
possible suction feed
fuel cross feed valve powered by?
dc power from battery bus
fuel shutoff valves
where are ?
powered by?
spar valv - eng mounting , motor dc by hot battery bus
eng fuel shutoff on engine, fuel actvated solenoid controlled powered by battery bus
scavenge pump
1 fwd pump on
bring fu l from ctr tank
