757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 4(119)

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 *[1] Maximum takeoff extension
 *[2] Landing position
 WARNING: KEEP PERSONNEL AND EQUIPMENT CLEAR OF FLAPS AND SLATS
_______ DURING FLAP OPERATION. WHEN OPERATING THE FLAPS THE SLATS WILL ALSO BE MOVING. FLAP AND SLAT MOTION CAN CAUSE INJURY OR DAMAGE.
 (b)  
Pressurize left hydraulic system (Ref 29-11-00).

 (c)  
Provide electrical power (Ref 24-22-00).

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MAINTENANCE MANUAL

 (d)  
Move flap control lever to required detent. Allow time for flaps and slats to reach commanded positions.

 (e)  
Monitor flap motion by watching flap position indicator needles.

 (f)  
Retract flaps and slats by moving the flap control lever to the zero (FLAPS UP) detent.

 (g)
Remove hydraulic power if no longer required.Alternate Flap Operation (Electrical)

 (a)  
Flap operation by means of alternate (electrical) power allows flap movement independent of slat movement if desired. Arming of both flap and slat alternate drive arming switches allows control of both flaps and slats by use of the alternate flap/slat position selector switch. Arming just the flap alternate drive arming switch allows movement of the flaps alone.

 (b)  
Provide electrical power (Ref 24-22-00).

 (c)  
Press the trailing edge flap alternate drive arming switch on P3 panel to arm alternate flap drive system. (Both segments of switch should light.)

 (d)  
Rotate alternate flap/slat position selector switch to required position. Allow time for flaps to reach the commanded position. 1) Monitor flap motion by watching flap position indicator

 needles. 2) The amber LEADING EDGE warning light should come on and the EICAS screen should show a LE SLAT DISAGREE message.

 (e)  
Retract flaps by rotating the alternate flap/slat position selector switch to the UP position. Allow time for flaps to reach the fully retracted position.

 (f)  
Rotate the alternate flap/slat position selector switch to the NORM detent.

 (g)  
Press the trailing edge flap alternate drive arming switch to disarm alternate drive system (lights in both segments of switch should go out).

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MAINTENANCE MANUAL

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FAULT ISOLATION/MAINT MANUAL

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757 FAULT ISOLATION/MAINT MANUAL
TRAILING EDGE FLAP SYSTEM
COMPONENT SHT 102 FIG.  QTY  ACCESS/AREA  REFERENCE AMM 
　
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