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 DO THE STEPS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(10) Remove the locks from the leading edge flaps (AMM 27-81-00/201).
S 866-015 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAPS. THE FLAPS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(11) Retract the leading edge flaps (AMM 27-81-00/201).
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28-15-11
ALL ú ú 02 Page 603 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
FUEL SCAVENGE SHUTOFF VALVE - REMOVAL/INSTALLATION
__________________________________________________
1. General
_______
A. This procedure has two tasks:
(1)
The removal of the shutoff valve for the fuel scavenge system
(2)
The installation of the shutoff valve for the fuel scavenge system.
B. The shutoff valve for the fuel scavenge system is in the No. 1 tank. It is necessary to defuel the No. 1 tank to get access to the shutoff valve. It is also necessary to extend the leading edge flaps to get access to the parts that attach the shutoff valve to the airplane.
TASK 28-15-21-004-001
2. Fuel Scavenge Shutoff Valve Removal (Fig. 401)
___________________________________
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 27-81-00/201, Leading Edge Flaps
(3)
AMM 28-10-00/201, Fuel Storage
(4)
AMM 28-11-11/401, Wing Tank Access Panels
(5)
AMM 28-23-00/201, Defueling
B. Access
(1)
Location Zone
303 Left Wing Leading Edge
305 Left Fuel Tank
(2)
Access Panels
7202 Fuel Tank Access Door
C. Procedure
S 864-002
(1) Connect the external electrical power if it is not connected (AMM 24-22-00/201).
S 864-025
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAPS. THE FLAPS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Extend the leading edge flaps (AMM 27-81-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-15-21
ALL ú ú 01 Page 401 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
FUEL BOOST PUMP (REF)FUEL SCAVENGE FLOW INDICATOR/ CHECK VALVE 1
FUEL SCAVENGE
JET PUMP
(REF)FUEL SCAVENGE
SHUTOFF VALVE
SEE A
ENGINE SHUTOFF
VALVE (REF)
CENTER TANK
TANK NO. 1
FLAPPER CHECK VALVE (REF) 2
O-RING
LOCKWIRE TO
FUEL STRUCTURE
SCAVENGE
SHUTOFF
VALVE
FRONT SPAR
(REF)
WASHER
FWD NUT
A
1 NOT ON ALL AIRPLANES
2 NOT ON AIRPLANES WITHOUT FUEL FLOW INDICATOR/CHECK VALVE
Fuel Scavenge Shutoff Valve Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-15-21
ALL ú ú 02 Page 402 ú Mar 15/88
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