S 095-069
(46)
Disconnect the fueling nozzles.
S 415-070
(47)
Close the fueling station door, 621GB (AMM 06-44-00/201).
S 865-071
(48)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
TASK 28-21-00-735-072
3. System Test - Pressure Fueling System_____________________________________
A. General
(1)
The system test does a check for correct operation of the pressure fueling system. The test includes automatic fueling, partial and full load shutoff tests for each fuel tank and an overfill shutoff test for each fuel tank.
B.
Equipment
(1)
Test Box - Surge Tank Fuel Level Sensors - A28006-2
C.
References
(1)
AMM 06-44-00/201, Wing Access Panels and Doors
(2)
AMM 08-21-00/201, Leveling
(3)
AMM 12-11-01/301, Fuel Tank - Pressure Fueling
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28-21-00
ALL ú ú 03 Page 510 ú Jun 20/97
A
757
MAINTENANCE MANUAL
(4)
AMM 12-11-03/301, Fuel Sump - Draining
(5)
AMM 12-15-01/301, Main Landing Gear Shock Strut
(6)
AMM 12-15-02/301, Nose Landing Gear Shock Strut
(7)
AMM 24-22-00/201, Electrical Power - Control
(8)
AMM 27-81-00/201, Leading Edge Slat System
(9)
AMM 28-44-00/201, Fuel Measuring Sticks
D.
Access
(1)
Location Zones
543 Surge Tank - Rib No. 21 to No. 23 (Left)
621 Leading Edge to Front Spar (Right)
643 Surge Tank - Rib No. 21 to No. 23 (Right)
(2)
Access Panel
621GB Fueling Station Door (Right)
E.
Prepare For Test
S 865-073
(1)
Lower the fuel measuring sticks in each fuel tank
(AMM 28-44-00/201).
S 865-074
(2)
Adjust the airplane attitude to -0.3° | 0.25° nose down and 0° |0.25° roll (AMM 08-21-00/201).
S 865-075
(3)
Make sure these circuit breakers on the overhead circuit breaker panel, P11, are in the closed position:
(a)
11C34, FUEL QTY 1 or FUEL QTY L
(b)
11L19, FUEL QTY 2 or FUEL QTY R
S 865-076
(4)
Make sure these circuit breakers on the APU external power panel, P34, are in the closed position:
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 2(55)
