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FUEL CONTROLS
AND INDICATORS
GENERAL
The fuel controls and indicators are grouped
on the center instrument panel (Figure 5-7).
The fuel control panel is located just above the
fuel quantity panel.
The fuel control panel contains five switch-
lights, six additional annunciators, and a fuel
temperature gage. The fuel quantity panel
contains five digital readouts.
FUEL CONTROL PANEL
The standby electric fuel pumps are controlled
by a pair of switchlights labeled "PUMP."
Pump operation is indicated by illumination
of the green ON legend in the top half of the
associated switchlight.
The bottom half of the PUMP switchlight has
an amber INOP legend which illuminates to in-
dicate that the associated pump is not selected
on or that the pump is not operating properly.
A third switchlight, labeled "X-FLOW," con-
trols operation of the crossflow valve. The
green OPEN light illuminates to indicate that
the valve is fully opened. The light extin-
guishes when the valve is fully closed. Since
the valve is motor operated, expect a delay of
approximately 2 seconds from the time the
switchlight is pressed until the proper indi-
cation appears. The valve normally remains in
the closed position and is opened only during
flight to correct a fuel imbalance.
The green LEFT TO RIGHT and RIGHT TO
LEFT switchlights are part of the POWERED
CROSS FEED system. Should an imbalance
between main tank fuel levels develop and
gravity equalizing with the crossflow valve not
be possible, the transfer is possible by de-
pressing the appropriate switchlight. The de-
pressed switchlight will illuminate steady and
will start flashing after eight minutes as a
5-8 CL 601-3R
CL-600-2B16 PILOT TRAINING MANUAL
reminder. An interlock prevents simultane-
ous operation of both switchlights.
The remaining five lights for each engine pro-
vide information as follows:
FOR TRAINING PURPOSES ONLY
FlightSafety Canada
• The amber SCAV light illuminates to in-
dicate an inoperative scavenge ejector.
• The amber MAIN light illuminates to
indicate an inoperative main ejector.
This automatically triggers both standby
electric pumps to operate if they are
selected to the ON position.
• The white VALVE CLOSED light illu-
minates to indicate that the firewall shut-
off valve has closed. Control of this
valve is from the respective FIRE PUSH
switchlight on the center glareshield.
• The amber FILTER light illuminates to
indicated an impending fuel filter bypass
or a clogged filter. (This condition is
covered in Chapter 7, "Powerplant.")
• The amber LOW PRESS light illumi-
nates if fuel pressure at the inlet side of
the engine-driven pump falls below a
predetermined value.
• A fuel temperature indicator in the cen-
ter of the fuel control panel indicates
the temperature of the fuel as it leaves
the fuel heater at the fuel filter. (This is
also covered in Chapter 7, "Power-
plant.") All amber lights on this panel
will activate the flashing master cau-
tion lights and illuminate the FUEL
annunciator light.
L té e
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