(a)
Install the flap control lever (1) on the shaft.
(b)
Install the bearing (11) and bearing retainer (13).
(c)
Install the bolt (12).
(d)
Attach the rod (6) to the lever with the screw (2), bushing (4), washer (3) and nut (5).
S 834-008
(2)
Adjust the linkage:
(a)
Put the flap control lever in the 10-unit detent.
(b)
Put the rig pin through the transducer housing (9) and the crank (8). 1) If you cannot install the rig pin, loosen the two
checknuts (7) on the rod assembly (6).
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A
747-400
MAINTENANCE MANUAL
(c) (d) 2) Adjust the rod length until you can install the rig pin.With the rig pin installed, tighten the two checknuts (7).Remove the rig pin.
S 414-015
(3) Install the flap lever cover and lightplate (AMM 76-11-03/201).
S 414-009
(4) Install the right cover on the pilot's control stand.
S 864-016
(5) Remove the DO-NOT-CLOSE tags and close these circuit breakers: (a) P6, Main Power Distribution Panel 1) 6L21, LE FLAP ELEC CONT CONT GRP B DRIVE 1 2) 6L22, LE FLAP ELEC CONT GRP A DRIVE 2 3) 6L23, LE FLAP ELEC CONT GRP A DRIVE 3 4) 6L24, LE FLAP ELEC CONT GRP A DRIVE 4 (b) P414, Main Power Distribution 1) 414A5, ALT LE FLAP DRIVE 1 2) 414M5, ALT LE FLAP DRIVE 4 3) 414D8, CAPT PWR SEAT (c) P415, Main Power Distribution Panel 1) 415A32, TE FLAP ELEC INBD 2) 415M38, TE FLAP ELEC OTBD 3) 415M35, ALT LE FLAP DRIVE 2 4) 415B32, ALT LE FLAP DRIVE 3 5) 415H32, F/O PWR SEAT
S 714-010
(6) Do the flap control lever operational test (AMM 27-51-08/501).
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747-400 MAINTENANCE MANUAL
FLAP CONTROL LEVER - ADJUSTMENT/TEST
____________________________________
1. General
_______
A. This procedure is an operational check of the flap control lever. This procedure is usually done after the installation of the flap control lever or the RVDT assembly.
TASK 27-51-08-705-001
2. Flap Control Lever Operational Test
___________________________________
A. Standard Tools and Equipment
(1)
Spring Scale, 0 to 10 pound (0 to 5 kg) range
B.
References
(1)
IPC 27-51-10, Fig. 5
(2)
SSM 27-51-01
(3)
WDM 27-51-12
C.
Access
(1)
Location Zone
221/222 Control Cabin
D.
Procedure
S 715-003
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER.
(1)
Do a test of the flap control lever:
(a)
Move the flap control lever forward and aft.
NOTE: Make sure that the control lever moves freely.
____
(b) Measure the force necessary to lift the handle out of the detents.
NOTE: The force must be less than 7 pounds (31 Newtons).
____
(c) Measure the force necessary to move the lever between detents.
NOTE: Measure the force when you move the lever forward and
____ aft. The force must be 2 to 4 pounds (9 to 18 Newtons).
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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 4(131)
