(d)
If the fueling shutoff valve does not stay open, push and hold the OVERFILL RESET switch until the fuel tank is full, or manually open the applicable fueling shutoff valves as follows: 1) Open the access door 551BB or 651BB to get access to the
applicable fueling shutoff valve (AMM 06-44-00/201).
2) To get access to the left or right center fueling shutoff valve, do the steps that follow: a) Make sure the landing gear downlocks for the nose and
main landing gear are installed (AMM 32-00-20/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-11-01
ú ALL ú
ú ú ú 03.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 316Sep 28/02
A
757
MAINTENANCE MANUAL
WARNING: REFER TO AMM 32-00-15/201 FOR DOOR LOCK
_______ INSTALLATION PROCEDURE. IF THE DOOR LOCKS ARE NOT INSTALLED IN THE NOSE AND MAIN GEAR DOORS, THE NOSE AND MAIN GEAR DOORS CAN MOVE QUICKLY AND CAUSE INJURY OR DAMAGE.
b) Open the nose and the main landing gear doors and install the door locks (AMM 32-00-15/201).
NOTE: The nose and main landing gear doors open at the
____ same time by ground release.
3) Stop the fueling source.
4) Make sure there is no pressure in the fueling manifold.
NOTE: The fueling manifold will release pressure through
____ the manifold-drain check valve when the fueling source pressure is removed and when there is less than 22,000 pounds (9980 kgs) of fuel in the center tank. It can be necessary to wait for approximately twenty (20) minutes until the pressure in the manifold is completely released. If you open one of the fueling shutoff valves electrically (from the fueling control panel), the pressure in the manifold will be released immediately.
CAUTION: REMOVE THE PRESSURE FROM THE FUELING MANIFOLD BEFORE
_______ YOU MANUALLY OPEN THE FUELING SHUTOFF VALVE. IF YOU DO NOT REMOVE THE PRESSURE, DAMAGE TO THE FUELING SHUTOFF VALVE OR THE FUELING MANIFOLD CAN OCCUR.
5) Open the applicable fueling shutoff valve manually as follows:
CAUTION: DO NOT REMOVE THE RETAINER PLATE LOCKWIRE,
_______ SCREWS, OR THE RETAINER PLATE. FUEL LEAKAGE CAN OCCUR AND CAUSE DAMAGE.
a) Turn the override screw (knurled knob) 10 to 13 turns in the counterclockwise direction.
NOTE: It is necessary to use pliers to initially
____ loosen the override screw.
6) Start the fueling source.
S 213-040
(14) Monitor the fuel quantity on the LOAD SELECT indicator.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-11-01
ú ALL ú
ú ú ú 02.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. Page 317Sep 28/02
A
757
MAINTENANCE MANUAL
S 653-041
(15)
Release the deadman switch on the fueling source to stop fueling when you get the correct quantity of fuel in the fuel tank.
S 983-042
(16)
To close the applicable fueling shutoff valves, do the steps that follow:
(a)
Put the applicable fueling valve switches to the OFF position for the fuel tanks with the correct quantity of fuel.
(b)
If you opened the fueling shutoff valves manually, close the fueling shutoff valves as follows: 1) Make sure there is no pressure in the fueling manifold.
NOTE: The fueling manifold will release pressure
____ through the manifold-drain check valve when the fueling source pressure is removed and when there is less than 22,000 pounds (9980 kgs) of fuel in the center tank. It can be necessary to wait for approximately twenty (20) minutes until the pressure in the manifold is completely released. If you open one of the fueling shutoff valves electrically (from the fueling control panel), the pressure in the manifold will be released immediately.
CAUTION: REMOVE THE PRESSURE FROM THE FUELING MANIFOLD BEFORE
_______ YOU MANUALLY CLOSE THE FUELING SHUTOFF VALVE. IF YOU DO NOT REMOVE THE PRESSURE, DAMAGE TO THE FUELING SHUTOFF VALVE OR THE FUELING MANIFOLD CAN OCCUR.
2) Turn the override screw (knurled knob) on the fueling shutoff valve 10 to 13 turns in the clockwise direction until the override screw is tightened.
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 SERVICING 1(9)
