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時(shí)間:2011-03-30 10:38來源:藍(lán)天飛行翻譯 作者:航空
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(19) Do these steps to remove any fuel that remains in the fuel tank:
(a)  
Put sponges and lint-free cotton rags on the bottom of the fuel tank to absorb any fuel that remains in the tank.

(b)  
Count the number of sponges and cotton rags as they are put into the fuel tank.

(c)  
Remove the sponges and cotton rags when they are soaked. 

(d)  
Count the number of sponges and cotton rags as they are removed from the fuel tank.

(e)  
Make sure the counts agree.

(f)  
Make sure you remove all sponges and cotton rags from the fuel tank.

WARNING:  SPONGES AND RAGS USED TO CLEAN THE FUEL ARE A FIRE HAZARD. FOLLOW APPROVED PROCEDURES FOR FUEL SOAKED SPONGES AND RAGS. DO NOT PUT FUEL SOAKED SPONGES AND RAGS IN UNAPPROVED BARRELS. SPONGES AND RAGS THAT ARE NOT CORRECTLY HANDLED CAN CAUSE A FIRE. A FIRE CAN CAUSE SERIOUS INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.

(g)  
Follow approved procedures to dispose of or clean the fuel soaked sponges and rags.


H.  Go Out of and Close the Fuel Tank
(1)  
After you do maintenance in the fuel tank, make sure you remove all tools or materials from the fuel tank.

(2)  
If an air duct was used at the maintenance area, route the air duct to the access door opening.

(3)  
Go out of the fuel tank.

(4)  
If you are the observer, do these steps:

(a)  
Make a report that states the time and that all persons are out of the tank.

(b)  
Remove the sign that states: CAUTION - PERSONNEL INSIDE TANK - MOVE NO EQUIPMENT.

 


WARNING:  DO NOT STOP OR START THE HEATER/AIR BLOWER OR VENTILATION BLOWER WHILE THE AIR DUCT IS IN THE FUEL TANK. THE FUEL VAPOR FROM THE FUEL TANK COULD CAUSE AN EXPLOSION AT THE HEATER/AIR OR VENTILATION BLOWER MOTOR. AN EXPLOSION CAN CAUSE SERIOUS INJURY OR DEATH TO PERSONS AND CAN CAUSE DAMAGE TO EQUIPMENT.
(5)  
If a heater or ventilation blower was used, remove the air duct from the fuel tank.

(6)  
Turn the air duct 180 degrees away from the open fuel tank.

(7)  
Stop the heater/air and ventilation blower if used.

(8)  
Stop the air compressor.

(9)  
Disconnect the air supply hose from the air mover or blower(s).

(10)
VENTURI TYPE VENTILATION EQUIPMENT: Do these steps to remove the air mover equipment:

(a)  
For the main tanks, do these steps:
1) Remove the air mover from the overwing fill port (Fig. 203).
2) Remove the ground from the air mover.
3) Remove the air mover adapter assembly from the overwing fill port.
4) Install the cap on the overwing fill port.
5) Install the applicable main tank access doors (AMM 28-11-11/401).


(b)  
For the surge tanks, do these steps: 1) Remove the air mover from the adapter base (Fig. 203). 2) Remove the ground from the air mover. 3) Remove the tank adapter assembly from the opening of the surge tank access

door. 
4) Install the surge tank access doors (AMM 28-11-03/401).


(c)  
For the center fuel tank, do these steps: 1) Remove the air mover from the adapter base (Fig. 203). 2) Remove the ground from the air mover. 3) Remove the tank adapter assembly from the opening of the center tank access

 


500 
28-10-0 Page 238  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  May 1/98 


door.
4) Install the center tank access doors (AMM 28-11-31/401).

(11)
FOR AIR BLOWER TYPE VENTILATION EQUIPMENT: Do these steps to remove the air blower equipment:

(a)  
For the main tanks, do these steps:
1) Remove the ground from the airplane to the ventilation blower.
2) Install the applicable main tank access doors (AMM 28-11-11/401).


(b)  
For the surge tank access doors, do these steps:
1) Remove the ground from the airplane to the ventilation blower.
2) Install the surge tank access doors (AMM 28-11-11/401).


(c)  
For the center tank, do these steps:
1) Remove the ground from the airplane to the ventilation blower.
2) Install the center tank access doors (AMM 28-11-31/401).

 


(12)
Follow approved procedures to clean and return all respiratory equipment.

WARNING:  USE THE PROCEDURE IN AMM 32-00-01/201 TO REMOVE THE DOWNLOCKS.  DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.

(13)
Remove the downlocks from the landing gear doors and close the doors (AMM 32-00-01/201).

WARNING:  DO THE ACTIVATION PROCEDURE FOR THE TRAILING EDGE FLAPS.  ACCIDENTAL OPERATION OF THE TRAILING EDGE FLAPS COULD CAUSE INJURY TO PERSONS.
 
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