737-300 400 500 AMM 飞机维护手册 燃油 FUEL 2(27)

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 (7)  S 436-007Install a new O-ring, lightly lubricated with fuel, in the groove on the jet nozzle.
 (8)  S 036-012Install the jet nozzle on the nozzle plug and tighten it to a torque between 65-75 pound-inches (7.3-8.5 newton-meters).
 (9)  S 426-008Install the jet nozzle. (a) Put the jet nozzle and jet nozzle plug into the pump housing. (b) Tighten the jet nozzle plug to a torque between 155-165 pound-inches (17.5-18.6 newton-meters).
 S 096-009

 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).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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

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 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

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