Learjet 60 - AUX XFR Switch; Fuel Control Panel (Figure 2-7)

Learjet
60

Pilot's Manual
power to the left transfer valve causes the valve to remain in its last
position . The left transfer pump operates on 28
VDC
supplied
through the 10-amp FUS TANK XFR PUMP circuit
breaker on the pi-
lot's circuit breaker panel . Both the valve and
pump are operative
during
EMER BUSmode .
AUX XFR SWITCH
The AUX XFR switch, on the fuel
control panel, operates the auxiliary
(right) fuel transfer system which provides an
alternate transfer sys-
tem in the
event the normal system fails or, when used
in conjunction
with the
normal system, allows rapid transfer of
fuselage fuel if de-
sired .
The switch is an alternate action type
. When AUX XFR is select-
ed,
the right fuselage transfer pump
is energized, the right transfer
valve will open, both standby pumps
will be rendered inoperative,
and
the crossflow valve will open . Fuel will then be
pumped from the
fuselage
tank into the wing tanks . The
switch should be set to Off
when either the EMPTY light
illuminates or the wing tanks become
FUEL CONTROL PANEL
Figure 2-7
PM-123

2- 31
Original