(b)
Move the ALTN FLAPS EXT/RET switch on the pilot's center instrument panel to the RET position.
(c)
Make sure that the multiple flap-alternate FLAPS display on the main EICAS comes into view when the ALTN FLAPS ARM switch is in the ALTN position.
NOTE: The LE flap indicator boxes will change from solid white
____ to crosshatched white when the flaps start to retract. It will change to a white box outline when the flaps are retracted.
(d)
Move the ALTN FLAPS EXT/RET switch to the OFF position when the flaps are fully retracted.
(e)
Push the ALTN FLAPS switch to the off position.
S 862-015
(5) Do this task if electrical power is not necessary: "Electrical Power Removal" (AMM 24-22-00/201).
TASK 27-81-00-042-023
8. Retracted Leading Edge Flaps Deactivation_________________________________________
A. References
(1)
AMM 36-00-00/201, Pneumatic System
(2)
SSM 27-81-01, SSM 27-81-02, SSM 27-81-03, SSM 27-81-04, SSM 27-81-05, SSM 27-81-06
(3)
WDM 27-81-11, WDM 27-81-12, WDM 27-81-21, WDM 27-81-22, WDM 27-81-31, WDM 27-81-32, WDM 27-81-41, WDM 27-81-42, WDM 27-81-81, WDM 27-81-82
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
B. Access
(1) Location Zone 222 Control Cabin, RH 117 Electrical and Electronics Compartment - P414 Left
Power Distribution Center 118 Electrical and Electronics Compartment - P415 Right Power Distribution Center
C. Procedure
S 862-064
(1)
Do this task: "Pneumatic Power Removal" (AMM 36-00-00/201).
S 862-066
(2)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P6, Main Power Distribution Panel 1) 6E3, PRI LE FLAP CONT GRP A AC 2) 6E4, PRI LE FLAP CONT GRP A DC 3) 6E5, PRI LE FLAP CONT GRP B AC 4) 6E6, PRI LE FLAP CONT GRP B DC 5) 6L21, LE FLAP ELEC CONT GRP B DRIVE 1 6) 6L22, LE FLAP ELEC CONT GRP A DRIVE 2 7) 6L23, LE FLAP ELEC CONT GRP A DRIVE 3 8) 6L24, LE FLAP ELEC CONT GRP A DRIVE 4
(b)
P414, Left Power Distribution Center 1) 414A5, LE FLAP ELEC DRIVE 1 2) 414A2, LE FLAP ELEC DRIVE 4
(c)
P415, Right Power Distribution Center 1) 415M35, LE FLAP ELEC DRIVE 2 2) 415B32, LE FLAP ELEC DRIVE 3
TASK 27-81-00-442-027
9. Retracted Leading Edge Flaps Activation
_______________________________________
A. References
(1)
SSM 27-81-01, SSM 27-81-02, SSM 27-81-03, SSM 27-81-04, SSM 27-81-05, SSM 27-81-06
(2)
WDM 27-81-11, WDM 27-81-12, WDM 27-81-21, WDM 27-81-22, WDM 27-81-31, WDM 27-81-32, WDM 27-81-41, WDM 27-81-42, WDM 27-81-81, WDM 27-81-82
B.
Access
(1)
Location Zone 222 Control Cabin, RH 117 Electrical and Electronics Compartment - P414 Left
Power Distribution Center 118 Electrical and Electronics Compartment - P415 Right Power Distribution Center
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本文链接地址:747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 7(50)