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 (k)  Push the OVERFILL RESET switch on the P28 panel.
 (l)  Set the fuel quantity of the meter on the fueling source to
 ZERO.
 (m)  Put the LEFT MAIN fueling valve switch to the FUEL position.
 (n)  Make sure fuel flows into the left main fuel tank.
 (o)  Continue fueling until the fuel fills the expansion space in
 the left main fuel tank, fills the fuel vent system and causes
 the fuel level sensor in the surge tank to stop fueling.
 (p)  Make sure the fuel level sensor closes the fueling shutoff
 valve before the fuel spill.
 (q)  Drain the fuel from the left surge tank (AMM 12-11-03/301).
 (r)  Make sure less than 50 gallons of fuel are drained from the
 left surge tank.
 NOTE: If you drain more than 50 gallons of fuel it shows there____
 is either a blockage in the fuel level sensor line or
 the flappers of the sump drain valve do not close
 correctly.
 (s)  Put the LEFT MAIN fueling valve switch to the OFF position.
 (t)  Push the OVERFILL RESET switch on the P28 panel.
 (u)  Set the fuel quantity of the meter on the fueling source to
 ZERO.
 (v)  Put the CENTER fueling valve switch to the FUEL position.
 (w)  Make sure fuel flows into the center fuel tank.
 (x)  Continue fueling until the fuel fills the expansion space in
 the center fuel tank, fills the fuel vent system and causes the
 fuel level sensor in the surge tank to stop fueling.
 (y)  Make sure the fuel level sensor closes the fueling shutoff
 valves before the fuel spill.
 (z)  Drain the fuel from right and left surge tank
 (AMM 12-11-03/301).

 (aa) Make sure less than 50 gallons of fuel are drained from each surge tank.
 NOTE: If you drain more than 50 gallons of fuel from each
____ surge tank it shows that there is either a blockage in the fuel level sensor line or the flappers of the sump drain valve do not close correctly.
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 28-21-00
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A

757 MAINTENANCE MANUAL
 (ab) Put the CENTER fueling valve switch to the OFF position.
 (ac) Push the OVERFILL RESET switch on the P28 panel.
 (ad) Set the fuel quantity of the meter on the fueling source to

 ZERO. (ae) Put the switches on the test box to the OFF position. (af) Disconnect the test cable.
 G. Put the Airplane Back to Its Usual Condition
　
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本文鏈接地址：757 AMM 飛機維護手冊 燃油 CHAPTER 28 - FUEL 2(63)