(h)
Remove the lock for the TE flap PDU.
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES
_______ WHEN HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO A PERSON OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(i)
Pressurize the left hydraulic system (AMM 29-11-00/201).
(j)
Move the flap control lever to the 20-unit detent.
(k)
Make sure the TE flaps start to move and then stop.
(l)
Make sure the position indicator needle for the L flap moves to a position between the 15-unit and 20-unit positions.
(m)
Make sure the position indicator needle for the R flap does not move from the 15-unit position.
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(n)
Make sure the TRAILING EDGE light on the P3 panel comes on.
(o)
Make sure the EICAS message, TE FLAP ASYM, shows on the display unit.
(p)
Measure the up stop to screw nut dimension and make sure the screw nut has moved less than 1.13 inch (28.7 mm).
(q)
Make sure the manual override levers on the bypass valve for the LE slat and TE flap PDUs are in the bypass position (POS 1).
(r)
Remove the lock for the TE flap PDU.
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES
_______ WHEN HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO A PERSON OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(s)
Pressurize the left hydraulic system (AMM 29-11-00/201).
(t)
Move the flap control lever to the 15-unit detent.
(u)
Make sure the flaps and slats do not move.
WARNING:_______KEEP PERSONS AND EQUIPMENT AWAY FROM THE TE FLAPS. WHEN THE FSEU POWER IS REMOVED, THE LEFT FLAPS WILL RETRACT AND MAY CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(v)
Open this circuit breaker on the P11 panel and attach DO-NOT-CLOSE tag: 1) 11G12, FLAP SLAT ELEC UNIT 1 POWER
(w)
Make sure the indications that follow occur: 1) Make sure the left flaps retract to the 15-unit position. 2) Make sure the TRAILING EDGE light goes out. 3) Make sure the TE FLAP ASYM message goes out on EICAS
display unit. 4) Make sure the position indicator needle for the L flap is in the tolerance band for the 15-unit position.
(x)
Connect the torque tube coupling at the flap PDU and make sure the marks on the torque tube align.
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757 MAINTENANCE MANUAL
(y)
Remove the clamp from the torque tubes in the right wing.
(z)
At inboard flaps inboard transmissions, make sure the angle between the upstops and the ballnuts is less than 10° (left wing versus right wing).
(aa) Remove the lock for the TE flap PDU.
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES
_______ WHEN HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO A PERSON OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
(ab) Pressurize the left hydraulic system (AMM 29-11-00/201).
(ac) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel. 1) 11G12, FLAP SLAT ELEC UNIT 1 POWER
(ad) Move the flap control lever to the zero (FLAPS UP) detent and let the flaps and slats fully retract.
(ae) Make sure the EICAS messages, FLAP/SLAT ELEC or FLAP ISLN VAL, do not show on the status display.
(af) Make sure the EICAS messages FLAP/SLAT ELEC, FLAP ISLN VAL, or FLAP/SLAT BITE, do not show on the ECS/MSG display.
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本文链接地址：757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 4(143)
