REFUELING WITH BATTERY ONLY
When the APU is inoperative and no external power source is available,
refueling can be accomplished as follows:
Battery Switch...................................................... .........................................ON
Standby Power Switch ............................................................ ...................BAT
This procedure will operate the static inverter and supply the necessary AC
voltage to operate the entire fueling system normally, including the gauges
and fuel shut-off system. The only limitation during this type operation is
the battery life. No cooling limitation has been imposed on the inverter.
Therefore, this procedure would be the most desirable to use when no APU
or external power is available, since the entire fueling system will operate
normally.
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REFUELING WITH NO AC OR DC
POWER SOURCE AVAILABLE
With the APU inoperative, the aircraft battery depleted, and no external power
source available, refueling can still be accomplished.
Fueling Hose Nozzle ............................................................ .ATTACHED TO
THE REFUELING RECEPTACLE
Fueling Valves...................................................... .................OPEN FOR THE
TANKS TO BE REFUELED
Note: The No. 1, No. 2, and center tank refueling valves each have a red
override button that must be pressed and held while fuel is being
pumped into the tank. Releasing the override button allows the
spring in the valve to close the valve. A tool may be required to
hold the spring in the valve to the
OPEN position.
Caution must be observed not to overfill a tank, since there is no
automatic fuel shut-off during manual operation. When the
desired amount of fuel has been pumped into the tanks, the
refueling valves for the respective tanks can be released. Tanks
No. 1 and No. 2 may also be refueled through filler ports over the
wing. It is not possible to refuel the center tank externally using
overwing ports.
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