757 AMM 飞机维护手册 燃油 CHAPTER 28 - FUEL 4(70)

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 S 862-070 (12) Set the power source at the battery power switch at the fueling control panel, P28 (View C).
 S 862-019 (13) Push the TEST IND switch to do a test on the load select indicators.
 S 212-020 (14) Make sure 88.8 shows on the top and bottom displays of the load select indicators.
 S 862-021 (15) Push and release the DEFUEL LH OPEN light. (a) Make sure the DEFUEL LH OPEN light comes on, then goes off.
 S 862-087 (16) Push and release the DEFUEL RH OPEN light. (a) Make sure the DEFUEL RH OPEN light comes on, then goes off.
 S 862-022 (17) Put the DEFUEL LH and DEFUEL RH switches to the OPEN position.
 S 212-023 (18) Make sure the DEFUEL LH and DEFUEL RH OPEN lights come on.

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A
757 MAINTENANCE MANUAL
 S 652-071
 (19) Start the defueling truck.
 NOTE: This starts the suction defueling operation.
____
 S 212-024
 (20)
 Monitor the quantity of fuel in the fuel tanks on the load select indicators of the fueling control panel, P28 (View C).

 S 862-025

 (21)
 Put the applicable DEFUEL LH or DEFUEL RH switch to the CLOSE position when the necessary quantity of fuel is defueled.

 S 652-072

 (22)
 Stop the defueling truck.

 S 652-073

 (23)
 If the main fuel tank must be fully defueled, drain the remaining fuel through the drain valve of the fuel sump (AMM 12-11-03/301).

 S 092-026

 (24)
 Disconnect the fueling nozzles from the fueling adapters (View B).

 S 092-027

 (25)
 Disconnect the cable that you used to bond the airplane to the fuel source.

 S 862-028

 (26)
 If the battery power switch is in the BAT position, put the battery power switch to the PWR position (View C).

 (27)
 Close the fueling station door, 621GB (AMM 06-44-00/201).

 S 412-074
 S 862-029
 WARNING: DO THE ACTIVATION PROCEDURE FOR THE LEADING EDGE SLATS
_______ (AMM 27-81-00/201). ACCIDENTAL SLAT OPERATION COULD CAUSE INJURY TO PERSONS.
 (28)
 Do the activation procedure for the leading edge slats (AMM 27-81-00/201).

 (29)
 Remove electrical power if it is not necessary (AMM 24-22-00/201).

 S 862-075
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