757
MAINTENANCE MANUAL
ú
ú S 863-260
ú
ú
WARNING:_______ MAKE SURE THE APU EXHAUST OF ADJACENT AIRCRAFT DOES NOT GO INTO
ú A FLAMMABLE VAPOR ZONE DURING REFUELING. INJURY TO PERSONS AND
ú DAMAGE TO EQUIPMENT CAN OCCUR.
ú
ú (10) If an adjacent aircraft is operating its APU, make sure the APU
ú exhaust stream does not go into a flammable vapor zone of your
ú airplane (for example, the fuel vents or the area around the fueling
ú station and the fueling vehicles).
S 013-004
(11) Open the fueling station door, 621GB (AMM 06-44-00/201).
S 213-005
(12) Make sure the fueling panel light comes on.
NOTE:____ The fueling panel light shows there is 28v dc power at the
fueling control panel.
(a) If the fueling panel light does not come on, put the battery
power switch in the BAT position.
ú
ú S 653-209
ú (13) Connect the fuel hose to the refuel receptacle adapter:
ú
ú NOTE:____ The 757 aircraft does not have a fuel jettison system,
ú therefore fuel adapter caps are not required to be installed
ú on the fuel adapters.
ú
(a) Make sure there are no fuel leaks.
CAUTION:_______ MAKE SURE THE REFUEL RECEPTACLE ADAPTER IS CLEAN AND NOT
DAMAGED. A DAMAGED ADAPTER CAN CAUSE A FUEL LEAK. A FUEL
LEAK CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(b) Make sure the refuel receptacle adapter is clean and not
damaged (Fig. 301).
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12-11-01
ALL ú ú 02.1 Page 308 ú Sep 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
(c) Connect the fueling nozzles to one or two of the fueling adapters.
S 863-008
(14)
Set the power source at the battery power switch at fueling control panel, P28.
S 863-085
(15)
GUN 001-010; Push the TEST IND switch to do a test on the load select indicators.
S 723-107
(16)
GUN 011-999; Push the TEST IND switch to do a test on the load select indicators.
NOTE:____ If the message "PUSH SET" shows on the fuel quantity
indicator display there is a FQIS failure. The FQIS failure
will not let the FQIS system stop the fueling operation at
the fuel quantity selected. You must do the fuel quantity
BITE procedure on the FQIS processor menus "PRESENT FAULTS ?"
and "FAULT HISTORY ?" to correct the problem. For the "FAULT
HISTORY ?" menu, you only have to look at the FLIGHT LEG 0
faults (FIM 28-41-00/101, Fig. 104).
You can continue to fuel the airplane if you push the SET
button. The upper and lower display will go off, or they
will go on and off while the fuel quantity is shown in the
display. If the fuel quantity indication goes on and off the
actual fuel quantity shown can be incorrect. To continue
fueling you must fuel the airplane manually. To do this you
will need to use the fuel measuring sticks to make sure you
have the correct quantity of fuel in the fuel tanks.
NOTE:____ If the message "-A.-", "-b.-", or "-A.b" shows on the fuel
quantity indicators there is a bus A, bus B, or bus A and B
failure. To correct the problem, do the procedure in
FIM 28-41-00/101, Fig. 110.
The FQIS will continue to operate if one bus (A or B) is bad.
You can continue to fuel the airplane if only one bus (A or
B) is bad.
IF both busses (A and B) are bad the message "-A.b" will show
and all indicators will go off. You can continue to fuel the
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