12-11-04
ALL ú ú 03 Page 303 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 483-008
WARNING: USE THE TAIL SUPPORT EQUIPMENT IF YOU CANNOT KEEP THE CENTER OF
_______ GRAVITY IN THE LIMITS GIVEN IN THE WEIGHT AND BALANCE MANUAL (AMM 07-11-08/201). IF THE AIRPLANE CENTER OF GRAVITY IS NOT IN THESE LIMITS, THE AIRPLANE CAN TIP AND THE AFT END OF THE AIRPLANE CAN STRIKE THE GROUND.
(8) Install the Cargo and Fuel Loading Support if the center of gravity will be out of limits (AMM 07-11-08/201).
D. Connect the Fueling Equipment
S 653-009
WARNING: DO NOT POSITION FUEL SERVICING EQUIPMENT OR AIRPLANE SERVICING
_______ EQUIPMENT UNDER THE WING DURING AN OVERWING REFUEL OPERATION. AN OVERWING FUEL SPILL CAN CAUSE FUEL TO FLOW FROM THE WING SURFACE ONTO EQUIPMENT UNDER THE WING. A FUEL SPILL CAN CAUSE A FIRE OR EXPLOSION.
(1) Use the operator supplied procedures to position the fuel vehicle.
S 483-010
WARNING: YOU MUST GROUND THE AIRPLANE TO AN APPROVED EARTH GROUND AND
_______ BOND THE REFUEL SOURCE BEFORE THE OVERWING REFUEL OPERATION. IF YOU DO NOT OBSERVE THIS PROCEDURE, A STATIC SPARK CAN CAUSE FUEL VAPOR TO IGNITE.
(2)
Connect a grounding cable from an approved earth ground to an approved electrical ground point on the airplane (static ground) (AMM 20-41-01/201).
S 483-011
(3)
Connect one grounding cable from the fueling source to an approved earth ground (AMM 20-41-01/201).
S 483-012
(4)
Connect the other grounding cable from the fueling source to an approved airplane electrical ground point (AMM 20-41-01/201).
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12-11-04
ALL ú ú 01 Page 304 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 483-013
WARNING: YOU MUST WEAR A SAFETY HARNESS WHEN YOU DO AN OVERWING REFUEL
_______ OPERATION. A SERIOUS INJURY CAN OCCUR IF YOU FALL FROM THE WING SURFACE.
(5)
Put on a safety harness and connect the harness to the supplied harness receptacle (AMM 20-11-33/201).
S 483-014
(6)
Position pads on the wing surface to prevent damage from the fuel nozzle and fuel hose.
S 653-015
CAUTION: DO NOT DRAG THE FUEL NOZZLE AND HOSE ACROSS THE WING SURFACE.
_______ DAMAGE TO THE WING SURFACE CAN OCCUR.
(7) Connect the fuel hose to the overwing fill port:
WARNING: BOND THE OVERWING NOZZLE TO THE AIRCRAFT BEFORE THE TANK
_______ FILL CAP IS REMOVED. THIS CONNECTION MUST REMAIN IN PLACE UNTIL AFTER THE TANK FILL CAP IS REPLACED. THE NOZZLE MUST REMAIN IN CONTACT WITH THE FILL OPENING DURING REFUELING. IF YOU DO NOT OBSERVE THIS PROCEDURE, A STATIC SPARK CAN CAUSE FUEL VAPOR TO IGNITE.
(a) Connect the overwing nozzle bonding cable to an approved airplane bonding point (AMM 20-41-01/201).
WARNING: MAKE SURE THE FUEL LEVEL FOR THE APPLICABLE TANK IS BELOW
_______ THE LEVEL OF THE FILL PORT BEFORE YOU OPEN THE FILL CAP. A FILL SPILL CAN OCCUR. A FUEL SPILL CAN CAUSE A FIRE OR AN EXPLOSION.
CAUTION:_______KEEP ALL LOOSE OBJECTS AWAY FROM THE FILL PORT. REMOVE ANY OBJECTS FROM YOUR SHIRT POCKET (PENS, CIGARETTES, LIGHTERS ETC.) BEFORE YOU OPEN THE FILL CAP. IF AN OBJECT DOES FALL INTO THE FUEL TANK, CONTACT AN AIRLINE REPRESENTATIVE. FIND AND REMOVE THE OBJECT IMMEDIATELY. UNWANTED OBJECTS IN THE FUEL TANK CAN CAUSE DAMAGE TO IN-TANK EQUIPMENT AND ELECTRICAL WIRING.
(b)
Open the overwing fill port.
(c)
Connect the overwing nozzle to the fill port.
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