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trim switch in the opposite direction. Observe trim wheel movement, then
move the cutout switch to CUTOUT. Trim wheel movement should cease.
Release the stabilizer trim switch. Move the cutout switch back to NORMAL
(ON).
Start Levers.........................................................................................CUTOFF
Ensure start levers are in the CUTOFF position.
Fire Control Panel(s) (Flow)..........................................................CHECKED
Note: The Engine / APU and Cargo (if installed) checks are to be
accomplished on the first flight of the day only.
Sec. 3 Page 56 737
Rev. 11/15/02 #41 Continental Flight Manual
Engine / APU System Check:
OVHT DET Switches ..................................................................NORMAL
TEST Switch ..........................................................................FAULT/INOP
Verify the MASTER CAUTION lights, OVHT/DET anunciator, FAULT light,
and APU DETECTOR INOP light illuminate.
If the FAULT light fails to illuminate, the fault monitoring system is
inoperative.
TEST Switch ............................................................................ OVHT/FIRE
Verify warning bell sounds and MASTER FIRE WARN, MASTER CAUTION
lights and OVHT/DET annunciator are illuminated.
FIRE WARN light - press. Verify WARN lights and alarm bell cancel.
Verify ENG 1, APU, and ENG 2 Fire Warning Switch and ENG 1 and ENG 2
OVERHEAT lights are illuminated.
If AC busses are powered, verify WHEEL WELL light is illuminated.
If the FAULT light illuminates during the OVHT/FIRE test, it denotes a fault
on the “A” or “B” loop on one or both engines.
To determine which loop is good, if any, perform the following procedures:
OVHT DET Switches ............................................................. BOTH ON A
TEST Switch ............................................................................ OVHT/FIRE
If the FAULT light remains extinguished and both engine OVERHEAT
lights and engine fire warning switch illuminate, Loop “A” is good.
If the FAULT light illuminates and one of the engine OVERHEAT lights and
corresponding engine fire warning switches remain extinguished, there
is a fault in Loop “A” of the detection system of that engine.
OVHT DET Switches ..............................................................BOTH ON B
TEST Switch ............................................................................ OVHT/FIRE
If the FAULT light remains extinguished and both engine OVERHEAT
lights and engine fire warning switches illuminate, Loop “B” is good.
If the FAULT light illuminates and one of the engine OVERHEAT lights and
corresponding engine fire warning switch remain extinguished, there is
a fault in Loop “B” of the detection system of that engine.
Select the good loop for each engine (NORMAL if both loops tested
good) and place the test switch to OVHT/FIRE. If the test is successful,
leave the fire panel in this configuration for flight.
737 Sec. 3 Page 57
Flight Manual Continental Rev. 11/15/02 #41
Check the Fire Extinguisher System:
Position test switch to position 1. The extinguisher test lights will
illuminate. Release the switch, and lights will extinguish.
Repeat for extinguisher test 2 position.
This completes the Fire/Ovht/Ext test for ALL systems.
Cargo System Check:
>>@
ARM SELECTOR Switch..........................................................AUTO
TEST Switch................................................................................PUSH
Verify fire warning bell sounds with master FIRE WARN lights and
master CAUTION lights illuminated.
Master FIRE WARN Light................................................................PUSH
Verify master FIRE WARN lights and fire bell cancel.
Verify cargo FIRE warning light is illuminated.
Verify DET and FAIL LED’s (FWD, AFT) are illuminated.
Verify FWD, AFT, 1st BTL and 2nd BTL squib indicators are
illuminated.
Note: The DISCH lights will not illuminate during the test. They will
illuminate when the aircraft’s LIGHT TEST switch is placed to
the ON position along with the remainder of the cargo fire
panel lights.
Master CAUTION Light ...................................................................PUSH
Verify master CAUTION lights extinguish.
BCD
DETECTOR SELECT Switches..........................................NORMAL
TEST Switch................................................................................PUSH
Verify fire warning bell sounds and master FIRE WARN lights
illuminate.
Sec. 3 Page 58 737
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