Controls

Question 1

OVHT detector switch?

Answer 1

A/B detection loop is active.

Question 2

Fire Warning Bell cutout switch?

Answer 2

exting both Mast Fire WARN light
silence bell
silence remote APU fire warn horn
Resets system - add warnings

Question 3

EXT Test Switch

Answer 3

test bottle discharge circuit continuity all all 3 exting bottles.

Question 4

FAULT/INOP test?

Question 5

OVHT/FIRE test?

Question 6

APU fire switch pull?

Answer 6

arms APU fire extinguisher
close:
fuel shutoff valve
apu bleed air valve
APU inlet door
Trips generator control relay/breaker
allows APU FS rotate

Question 7

Engine fire switch pull?

Answer 7

close both fuel Soff valves
close engine bleed air valve - loss of WAI AND PACK VALVE
TRIPS generator and control relay
close HYD fluid Soff valve - ENG driven HYD pump LP ligth deactive.
disable TH
Allow FS rotate
arms 1 squib each bottle

Question 8

FAULT light?

Answer 8

both detector loop for an engine failed or selected loop for engine failed.

Question 9

APU DET INOP

Answer 9

APU detector loop loop failed.

Question 10

Cargo Fire - EXT test light?

Answer 10

Green, cargo fire test pushed-fire bottle discharge squib cont normal

Question 11

Detector Fault?

Answer 11

one or more selected loop either cargo bay failed.

Question 12

Cargo fire test switch?

Answer 12

test circuit for both fwd/aft cargo fire detector loops and supp system.

Question 13

Cargo fire warning light?

Answer 13

1 detector in EACH loop detects smoke.

Question 14

Cargo fire discharge switch????

Question 15

Lav fire extinguisher - HEAT ACTIVATED NOZZLES?

Answer 15

flat black - normal
Aluminum - exting discharge