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the wing tanks only. No fuel will be pumped from the center tank because those pumps are
OFF. If the FUEL CONFIG light is on at this setting it indicates that there is greater than 1200
pounds of fuel in the center tanks with the pumps off. If the LEFT C PUMPS AND RIGHT C
PUMPS are then turned ON then there will be fuel fed to the engines from the center tank only.
The center fuel pumps on this aircraft have a higher output than the main fuel pumps and will
override the output of the main tank pumps. In this case the FUEL CONFIG light will be
extinguished because the center pumps are on and there is more than 1200 pounds in the center
tank.
The FUEL CONFIG light will illuminate for a fuel unbalance of 2000 pounds between the left
and right tanks or for low fuel quantity (less than 2200 pounds) in either main tank.
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Crossfeeding fuel. Fuel can be crossfeed from either main tank to feed both engines. For
example, fuel pumps for the left side can be turned off and the crossfeed valve turned on. This
will cause the RIGHT fuel pumps to supply fuel to BOTH engines from the right main tank
only. To feed fuel from the left main tank only just reverse the process.
Important note: To start the crossfeed operation the crossfeed valve MUST first be opened
before shutting down the fuel pumps. And to finish the crossfeed operation the fuel pumps
MUST be turned ON before closing the crossfeed valve. Otherwise there is a risk of an engine
flameout
EICAS messages are displayed for various fuel problems
Fuel quantity is indicated for the Left, Center and Right fuel tanks. Additionally, there is a total
fuel quantity indication as well as a fuel temperature indication.
This gauge will determine if FS98 is set for metric or US systems and display the units
accordingly.
Start Panel
The main components of the engine start panel are the two start knobs. They each have five
labeled positions....however only three of them active: OFF: Ignition system is OFF. AUTO:
Ignition system is in automatic mode. This mode is the normal flight mode and will
automatically handle the igniter functions if needed. GND: For starting the engine. The knob is
magnetically held in place until 50% N2 at which time it will release to the AUTO position.
Above the starter switches are two VALVE lights and another selector knob. The VALVE light
comes on to indicate movement of the starter valve. This normally occurs during initial rotation
and also again around 50% N2. The selector knob labeled 1, BOTH, 2 has no function.
© Holger Ludwig, EuCom Airlines & Terry Yingling Seite 38 von 53
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Fuel Control SWITCHES
The fuel control switches are located under the throttle levers. Each must be set to run for engine
operation.
Normal Engine Starting Procedure
1. Complete Cockpit Initial check
2. Complete Cockpit Final checks
3. Complete Before Starting Engines checklist
4. Select GND on the start selector
5. At 18% N2 set the Fuel Control switch to RUN
6. At 50% N2 start selector will spring to AUTO
7. Repeat steps 4 – 6 for other engine
Quick Engine Starting Procedure
Battery – ON
Standby Power – AUTO
APU – START
L Bus Tie – AUTO
R Bus Tie – AUTO
APU Gen Sw – ON
APU Valve – Press ON
FWD/AFT Fuel L Pumps – ON
FWD/AFT Fuel R Pumps – ON
L ENG Start – GND
L Fuel Control – RUN
L GEN CONT – ON
R ENG Start – GND
R Fuel Control – RUN
R GEN CONT – ON
APU GEN Sw – OFF
APU Bleed Valve – Press OFF
APU – OFF
L ENG BLD – Press ON
R ENG BLD – Press ON
C ISLN – Press ON
L ISLN – Press ON
R ISLN – Press ON
YAW Damper – ON
© Holger Ludwig, EuCom Airlines & Terry Yingling Seite 39 von 53
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PNEUMATIC SYSTEM
The most important aspect to the pneumatic system is it's involvement in engine starting. The
engines on the 767 require an air source to drive the start. The source of this air can be from an
external source, the APU or the other engines bleed air. External air hookup is not simulated so
APU and engine bleed air are the only
two sources available in the simulator. Without an air source available and set up properly the
engines will not start.
The status of the pneumatic system is completely annunciated on the EICAS panel.
Cold Startup
This assumes the aircraft is completely shut down. After powering up the aircraft from the
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