TASK 27-11-14-404-014
3. Outboard Aileron Lockout Mechanism Installation
_______________________________________________
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
D.
Procedure
S 424-015
(1)
Install the lockout mechanism (Fig. 401):
(a)
Install the electric actuator on the lockout mechanism, if it is necessary.
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27-11-14
ALL ú ú 03 Page 407 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(b) Install the lockout mechanism on the wing spar support bracket
with mounting bolts, nuts, and washers.
(c) Attach the cables to the lockout mechanism quadrant.
NOTE:____ On the left wing, make sure at installation, to put
cable AA15 in the top groove of quadrant, and cable AB15
in the bottom groove. On the right wing, make sure to
put cable AB16 in the top groove of quadrant, and cable
AA16 in the bottom groove.
(d) Install the cotter pins.
(e) Connect cables AA and AB at the turnbuckles.
NOTE:____ Do not tighten the cables.
(f) Connect the output control rod to the output crank with a bolt,
nut and washer.
(g) Install the cotter pin.
(h) Install the connector on the electric actuator.
S 864-016
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2) Do this task: "Hydraulic System Pressurization" (Ref 29-11-00/201).
NOTE:____System No. 1 and 4 for the flaps. System No. 1 or 2 for the left outboard aileron. System No. 3 or 4 for the right outboard aileron.
S 864-017
(3)
Do this task: "Supply Electrical Power" (Ref 24-22-00/201).
S 834-018
(4)
Adjust the ailerons:
(a)
Move the flap control lever to the 5-unit detent to extend the outboard flaps.
(b)
Tighten the cables to the tension shown in Fig. 401.
(c)
Adjust the cable turnbuckles to get the aileron in the adjusted position.
(d)
Make sure the aileron is adjusted 0.35-0.50 inch below the wing trailing edge.
(e)
Install new turnbuckle clip locks.
(f)
Remove rig pin A/S-2 if it is installed.
(g)
Remove the straightedge from the control wheels.
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27-11-14
ALL ú ú 03 Page 408 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(h) Operate the control wheels and make sure the aileron has full travel in each direction.
TASK 27-11-14-704-034
4. Outboard Aileron Lockout Mechanism Test_______________________________________
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