(2)
The installation of the lockout mechanism
(3)
The adjustment of the ailerons
(4)
A check of the lockout mechanism operation.
B.
You can find an outboard aileron lockout mechanism in each wing. This is to isolate the outboard ailerons from the lateral control system during high speed flight. An actuator installed on the mechanism housing electrically controls the lockout mechanism.
C.
The removal and installation procedure is the same for the all the outboard aileron lockout mechanisms.
TASK 27-11-14-004-001
2. Outboard Aileron Lockout Mechanism Removal__________________________________________
A. Special Tools and Equipment
(1)
G12001-50 Rig Pin Kit
(2)
MIT65B04001-41 Control Wheel Straightedge
B.
References
(1)
06-09-08/201, Wing Access Doors and Panels
(2)
24-22-00/201, Manual Control
(3)
27-11-16/401, Outboard Aileron Electric Lockout Actuator
(4)
29-11-00/201, Main Hydraulic Supply System
(5)
32-00-30/201, Landing Gear Door Locks
(6)
IPC 27-11-14, Fig. 4
C.
Access
(1)
Location Zone
592 Outboard Aileron, LH
692 Outboard Aileron, RH
(2)
Access Panel 591CB Outboard Aileron, Lower Wing Surface, LH 691CB Outboard Aileron, Lower Wing Surface, RH
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27-11-14
ALL ú ú 03 Page 401 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SEE A
INPUT
CRANK
OUTPUT
CONTROL
ROD
QUADRANT
OUTPUT
CRANK
DRAG LINK
LOCKOUT
MECHANISM SUPPORT BRACKET
QUADRANT IDLER MOUNTING
ELECTRIC
PIVOT POINT LINK BOLT
LOCKOUT (4 LOCATIONS)ACTUATOR
A
Outboard Aileron Lockout Mechanism Installation Figure 401 (Sheet 1)
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27-11-14
ALL ú ú 01 Page 402 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
RIGPIN A/S-2
SEE B
SHAFT
RIG PIN A/S-2
MECHANISM COVER
CABLE AB
AILERON TRIM ACTUATOR
B
Outboard Aileron Lockout Mechanism Installation
Figure 401 (Sheet 2)
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27-11-14
ALL ú ú 01 Page 403 ú Oct 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
TO GET THE CORRECT CABLE TENSION, MAKE SURE THE AIRFRAME TEMPERATURE IS STABLE (USE A TOLERANCE OF |5`F) FOR A MINIMUM OF 1 HOUR.
2 THE SYSTEM MUST BE ADJUSTED WHEN THE CABLE LOADS ARE MORE THAN |15 LBS FROM THE TABLE VALUES. WHEN RIGGING THE SYSTEM, CABLE LOADS SHOULD BE |5 LBS FROM THE TABLE VALUES.
3 THE SYSTEM MUST BE ADJUSTED WHEN THE CABLE LOADS ARE MORE THAN |20 LBS FROM THE TABLE VALUES. WHEN RIGGING THE SYSTEM, CABLE LOADS SHOULD BE |15 LBS FROM THE TABLE VALUES.
4 IF POSSIBLE, MAKE THE LAST CABLE ADJUSTMENTS WHEN THE TWO ENGINES ARE INSTALLED ON THE WING.
5 WING CABLES & LEFT BODY CABLES RIGHT BODY CABLES
AILERON HINGE AXIS
0.50
INCH AT NEUTRAL
0.35
OUTBOARD AILERON NEUTRAL POSITION
Outboard Aileron Lockout Mechanism Installation Figure 401 (Sheet 3)
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