757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 3(94)

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 (5)  S 434-012Install the lockwire to attach the nut (part of the tubing assembly) to the fuel support bracket.
 (6)  S 224-013Make sure the bonding resistance between the float-operated shutoff valve and the airplane structure is not more than 0.010 ohms (AMM 20-10-21/601).
 (7)  S 414-014Install the left main tank access door, 541AB (AMM 28-11-01/401).
 (8)  S 654-015Refuel the left main fuel tank, if no more work is necessary (AMM 12-11-01/301).

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 28-22-10
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757 MAINTENANCE MANUAL
 ENGINE FUEL SHUTOFF VALVE ACTUATOR - REMOVAL/INSTALLATION
_________________________________________________________
 1.  General_______
 A.  The actuator of the engine fuel shutoff valve is installed on the rear spar, out of the fuel tank. Each actuator is found aft of the fuel measuring stick No. 3 in each main fuel tank (AMM 28-44-00/001).
 B.  It is not necessary to defuel the fuel tank to remove the actuator.
 C.  This procedure contains two tasks. The first task removes the actuator of the engine fuel shutoff valve. The second task installs the actuator of the engine fuel shutoff valve.
 D.  The procedure to remove and install the adapter shaft and the valve body is contained in AMM 28-22-01/401.
 TASK 28-22-11-004-001
 2.  Remove the Actuator of the Engine Fuel Shutoff Valve (Fig. 401)____________________________________________________
 A.  Equipment
 (1)  
Hex key wrench (9/64-inch) with 6 inch
 extension - commercially available

 B.  
References

 (1)  
AMM 06-44-00/201, Wing Access Doors and Panels

 C.  
Access

 (1)  
Location Zones
 551 Rear Spar to MLG Support Beam (Left)
 651 Rear Spar to MLG Support Beam (Right)

 (2)  
Access Panels
 551BB Access Panel (Left)
 651BB Access Panel (Right)

 D.  
Procedure

 S 864-015
 (1)  
For the left actuator, open this circuit breaker on the main power distribution panel, P6, and attach a DO-NOT-CLOSE tag:

 (a)  
6E1, FUEL VALVES L SPAR

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