CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(3) Install the locks on the leading edge flaps (AMM 27-81-00/201).
S 654-005
WARNING: CAREFULLY DO ALL THE SAFETY PROCEDURES TO DEFUEL AND TO GO INTO
_______ THE FUEL TANKS. INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR IF YOU DO NOT FOLLOW THE SAFETY PROCEDURES.
(4)
Defuel the No. 1 tank and prepare to go into it (AMM 28-23-00/201, AMM 28-10-00/201).
S 014-006
(5)
Remove the No. 1 access panel (7202) for the No. 1 tank (AMM 28-11-11/401).
S 034-007
(6)
At the front spar, disconnect the electrical connector from the shutoff valve.
S 034-008
(7)
Disconnect the bonding jumper from the shutoff valve.
S 034-009
(8)
Remove the nut and the washer that attach the valve to the front spar.
S 014-010
(9)
Go into the No. 1 tank.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-15-21
ALL ú ú 02 Page 403 ú Nov 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 024-011
(10) Remove the shutoff valve.
(a)
Disconnect the fuel lines from the shutoff valve and remove it.
(b)
Discard the O-ring.
TASK 28-15-21-404-012
3. Fuel Scavenge Shutoff Valve Installation (Fig. 401)________________________________________
A. Special Tools and Equipment
(1) T477W - Bonding Meter, Avtron Manufacturing Co., Cleveland, OH
B. Consumable Materials
(1) B00316 - Aliphatic Naphtha TT-N-95
C. References
(1)
SWPM 20-20-00, Standard Wiring Practices Manual
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 27-81-00/201, Leading Edge Flaps
(4)
AMM 28-11-11/401, Wing Tank Access Panels
(5)
AMM 28-23-00/201, Defueling
D. Access
(1)
Location Zone
303 Left Wing Leading Edge
305 Left Fuel Tank
(2)
Access Panels
7202 Fuel Tank Access Door
E. Procedure
S 114-013
(1) Clean these surfaces with the aliphatic naphtha and dry them with a lintfree cloth.
(a)
The O-ring groove in the body of the shutoff valve
(b)
The mating surface for the shutoff valve in the No. 1 tank.
S 434-014
(2)
Install a new O-ring, lightly lubricated with fuel, in the groove in the shutoff valve.
S 424-015
(3)
Put the shutoff valve through the hole in the front spar and attach it with the washer and the nut.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-15-21
ALL ú ú 01 Page 404 ú Nov 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(4) S 434-016Connect the fuel lines to the shutoff valve.
(5) S 434-017Connect the bonding jumper to the shutoff valve.
(6) S 434-018Connect the electrical connector to the shutoff valve.
(7) S 284-019Do a check of the electrical bond between the shutoff valve and the airplane structure (SWPM 20-20-00). (a) The resistance must not be larger than .0025 ohms.
(8) S 414-020Install the No. 1 access panel (7202) that you removed to get access to the shutoff valve (AMM 28-11-11/401).
S 094-021
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT REMOVE THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 燃油 FUEL 2(28)
