28-22-00
 ALL  ú ú 01 Page 504 ú Sep 28/01

A

757 MAINTENANCE MANUAL
REAR SPAR REAR SPAR
MANUAL
MANUAL OVERRIDE
OVERRIDE HANDLE
HANDLE
ACTUATOR ACTUATOR
ENGINE FUEL CROSSFEED VALVE ENGINE FUEL SHUTOFF VALVE C1 D1
ACTUATOR  ACTUATOR 
MANUAL  MANUAL 
OVERRIDE  OVERRIDE 
HANDLE  HANDLE 

REAR SPAR REAR SPAR
(DRY SIDE) (REF) (DRY SIDE) (REF)
ENGINE FUEL CROSSFEED VALVE ENGINE FUEL SHUTOFF VALVE C2 D2
1
PREFERRED 2
ALTERNATE
Engine Fuel Feed System Figure 502 (Sheet 2)
B18669
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
 GUN 001-010, 051, 101-104 ú 28-22-00
 ú ú 13 Page 505 ú Sep 20/98

A

757
MAINTENANCE MANUAL

 S 865-003
 (2)  
Open these circuit breakers on the power distribution panel, P6, and attach DO-NOT-CLOSE tags:

 (a)  
6E1, FUEL VALVES L SPAR

 (b)  
6E2, FUEL VALVES R SPAR

 (c)  
6E3, FUEL VALVES APU

 (d)  
6E4, FUELING QTY

 (e)  
6E5, FUELING CONTROL

 (f)  
6E6, FUELING VALVES

 (g)  
6F14, L FUEL OVRD PUMP

 (h)  
6F20, R FUEL OVRD PUMP

 (i)  
6H14, L AFT FUEL BOOST PUMP

 (j)  
6H17, R FWD FUEL BOOST PUMP

 (k)  
6H20, R AFT FUEL BOOST PUMP

 (l)  
6H23, L FWD FUEL BOOST PUMP

 S 865-004
 (3)  
Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:

 (a)  
11C33, FUEL DC PUMP PWR

 (b)  
11C34, FUEL QTY 1

 (c)  
11D35, FUEL DC PUMP CONT

 (d)  
11L19, FUEL QTY 2

 S 865-005
 (4)  
Open these circuit breakers on the APU external power panel, P34, and attach DO-NOT-CLOSE tags:

 (a)  
34A9, FLNG VALVES

 (b)  
34A10, FUEL QTY

 (c)  
34A11, FLNG CONT

 S 655-213
 (5)  Make sure the downlocks for the nose and main landing gear are installed (AMM 32-00-20/201).
　
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 2(110)