0.00.60 PMDG 737NGX
TUTORIAL #2
27FEB15 RTM DO NOT DUPLICATE For Simulator Use Only
o The WHEEL WELL light is illuminated.
o The red master FIRE WARN light, amber MASTER
CAUTION light the OVHT/DET annunciator message are
illuminated on both the captain’s and first officer’s
glareshields.
Push the red master FIRE WARN light on the captain’s
glareshield and verify the following:
o The master FIRE WARN lights on both glareshields
extinguish.
o The aural fire warning bell has stopped.
o Verify that the 1, APU, 2, ENG 1 OVERHEAT, ENG 2
OVERHEAT and WHEEL WELL lights all stay
illuminated.
We’ll now test the engine and APU fire extinguisher system.
Left click the EXTINGUISHER TEST switch to the far right side of
the fire handles and hold it in the 1 position. Verify that three
green lights illuminate below the switch.
Right click and repeat the test in position 2.
It’s now time to start the APU as we’re nearing our pushback time. The
APU is a small jet engine that is mounted in the tail cone and it serves to
provide both electrical power and pneumatic bleed air for air conditioning
and turning the engine cores during the start process.
Turn the left FWD fuel pump on while using the APU. This
ensures that pressurized fuel is always flowing to the turbine.
The FWD pump is chosen because it is easier and less costly to
repair than the AFT pump is. The AFT ones are in the wing
structure and hard for maintenance to get to.
Left click twice on the APU switch at the bottom left-center of the
lower overhead to begin the start sequence.
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