Overheat and Fire Protection Panel Check

Question 1

1. OVHT DET switches

Answer 1

NORMAL

Question 2

2. TEST switch

Answer 2

Hold to FAULT/INOP
- MASTER CAUTION lights - Illum
- OVHT/DET annunciators - Illum
- FAULT light - Illum
* if FAULT light doesn’t Illum, monitoring system is inop
- APU DET INOP light - Illum
CAUTION Do not run apu if the apu det light fails to illuminate

Question 3

3. TEST switch

Answer 3

HOLD TO OVHT/FIRE
———
Fire warning bell - sounds
Master FIRE WARN lights - Illum
MASTER CAUTION lights Illum
OVHT/DET Annunciator - Illum

Question 4

4. Master FIRE WARN lights

Answer 4

Push
———
Master FIRE WARN lights -Extg
Fire Warning Bell - Cancels
ENG 1, APU, ENG 2 FIRE switch lights - Illum
ENG 1 and ENG 2 OVERHEAT lights - Illum
WHEEL WELL fire warning light - Illum

Question 5

5. EXT TEST switch

Answer 5

Check
———
TEST switch - Position to 1 and hold
*Extinguisher Test lights - Illum (3 green)
TEST switch - Release
*Extinguisher Test lights - Extg
(Repeat for test position 2.)