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28-21-00
ALL ú ú 02 Page 512 ú Sep 28/99
A
757
MAINTENANCE MANUAL
(b) Set the LOAD SELECT control on P28 panel to 23.9 (23,900 lbs.)
[10.9 (10,900 kgs)].
(c) Push the CENTER SET switch.
(d) Make sure that 23.9 LB (10.9 KG) shows on the bottom display of
the CENTER LOAD SELECT indicator.
(e) Put the CENTER fueling valve switch to the FUEL position.
(f) Make sure the right CENTER and left CENTER fueling valve OPEN
lights come on.
(g) Open the valve on the fueling nozzle.
(h) Make sure that fuel flows into the center fuel tank.
(i) Make sure the EICAS message, FUEL CONFIG, shows on the top
display when the top display on the CENTER LOAD SELECT
indicator shows 1300 lbs (591 kgs) or more of fuel.
(j) Make a written record of the quantity of fuel in the center
fuel tank when the EICAS message, FUEL CONFIG, shows on the top
display.
(k) Push the LEFT C PUMPS and RIGHT C PUMPS switch-lights of the
fuel management control panel on the overhead panel, P5, to the
ú ON position (View A, Fig. 502).
ú
ú NOTE: Someone must be in the flight compartment when the____
ú override pumps operate to continously monitor for the
ú low PRESS light.
ú
ú 1) If the LEFT C PUMPS or RIGHT C PUMPS PRESS light comes and
ú stays on, put the applicable override switch-light to the
ú off position.
(l) Make sure the EICAS message, FUEL CONFIG, does not show on the
top display.
(m) Push and hold the TEST SYSTEM switch on the fueling control
panel, P28, (View B, Fig. 501).
(n) Make sure the fuel flow into the center fuel tank stops.
(o) Make sure the right CENTER and left CENTER fueling valve OPEN
lights go off.
(p) Release the TEST SYSTEM switch.
(q) Approximately 10 seconds after you push the TEST SYSTEM switch,
make sure:
1) Fuel flow continues
2) The right CENTER and left CENTER fueling valve OPEN lights
come on.
(r) Continue fueling until the automatic shutoff occurs (left
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本文链接地址：757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 2(57)
