B.
References
(1)
27-11-14/401, Outboard Aileron Lockout Mechanism
(2)
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 026-002
(1)
Remove the outboard aileron lockout mechanism (Ref 27-11-14/401).
S 226-003
(2)
Do a check of the outboard aileron lockout mechanism (Fig. 601).
(a)
Remove the parts to be examined.
(b)
Measure the dimensions of these parts.
(c)
Compare the part dimensions to the limit dimensions.
(d)
If the part dimension is out of tolerance, replace the part.
(e)
Install all the parts removed to do the inspection/check.
(3)
Install the outboard aileron lockout mechanism (27-11-14/401).
S 426-004
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A
747-400
MAINTENANCE MANUAL
SEE A
SEE B
A
1. OUTPUT CRANK/BOLT
B
INDEX NO. 1 OUTPUT CRANK BOLT PART NAME ID OD DIM. 0.2505 0.2495 0.2495 0.2485 DIAMETER DESIGN LIMITS MIN MAX 0.2525 0.2485 CLEAR-DIA MAX ANCEDIM. WEAR LIMITS WEAR MITTED PER-0.004 X REPLACE WORN PART X REPAIR WORN PART 1 REPAIR INSTR
1 A WORN PART IS REPAIRABLE. REFER TO THE OVERHAUL MANUAL FOR REPAIR INFORMATION
Outboard Aileron Lockout Mechanism Wear Limits Figure 601
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
OUTBOARD AILERON ELECTRIC LOCKOUT ACTUATOR - REMOVAL/INSTALLATION
_________________________________________________________________
1. General_______
A. There are two tasks in this procedure. There is one task for the removal and one task for the installation of the electric lockout actuator of the outboard aileron to the lockout mechanism housing. The procedure has these parts:
(1)
The removal of the electric lockout actuator
(2)
The installation of the electric lockout actuator
(3)
The operational check of the electric lockout actuator.
B.
It is not necessary to remove the lockout mechanism from the airplane before you remove and install the actuator.
C.
The electric actuator is on top of the lockout mechanism. The access panel is at the bottom of the wing. The actuator has two positions, retract and extend, control led by internal limit switches. When the actuator is in the fully retracted position, the mechanism is in its adjusted position.
TASK 27-11-16-004-001
2. Outboard Aileron Electric Lockout Actuator Removal (Fig. 401)__________________________________________________
A. References
(1)
06-09-08/201, Wing Access Doors and Panels
(2)
24-22-00/201, Manual Control
(3)
29-11-00/201, Main Hydraulic Supply System
(4)
IPC 27-11-14, Fig. 4
B.
Access
(1)
Location Zone
592 Outboard Aileron, LH
692 Outboard Aileron, RH
(2)
Access Panel
591CB Outboard Aileron, LH
691CB Outboard Aileron, RH
C.
Remove the Electric Lockout Actuator
S 864-002
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