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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SAFETY HARNESS RECEPTACLE
SEE A
1. POWER
14.
 RETAINER

CONTROL
15.
 NUT

PACKAGE
16.
 WASHER

17.
MOUNT BOLT  2. ANTICAVATATION

(4 LOCATIONS)  CHECK VALVE (4 LOCATIONS)
3.  HYDRAULIC PORT
13. INLET PRESSURE  (4 LOCATIONS)
E
CHECK VALVE
(2 LOCATIONS)

4. WING REAR
SPAR
12. FILTERS  D
B
ACTUATOR
E
PISTON
D
C
A
AB
PISTON
C
ATTACH
BOLT

FWD
6. COMPENSATORS
A
7. INPUT 5. TORQUE DRIVE
10. SUMMING
CONTROL LINKAGE LEVER
ROD  CABLE AB
11. OUTBOARD 8. BOLT 18. ACTUATOR PISTON
AILERON 9. WASHER ROD END
19.
 NUT

20.
 WASHER

23. BOLT
21.
 RETAINING RING

22.
ANTIROTATION

PLATE AILERON
ACTUATOR CONNECTION POINT A-A
Outboard Aileron Power Control Package Installation
Figure 201 (Sheet 1)

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747-400 MAINTENANCE MANUAL
24. FILTER ADAPTER
33.
 BACKUP RING

34.
 O-RING PACKING

35.
 BACKUP RING

30.
 BACKUP RING

31.
 O-RING PACKING

36. O-RING
32. BACKUP RING PACKING
37. SCREW
54.
 SCREW

55.
 WASHER (6 LOCATIONS)

51.
 BACKUP
RING

52.
 O-RING
PACKING

53.
 BACKUP
RING

PACKING

INLET PRESSURE CHECK VALVE
(2 LOCATIONS)
E-E

Outboard Aileron Power Control Package Installation
Figure 201 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 D. Prepare for Removal
 S 862-002
 (1)  
Do this task: "Supply Electrical Power" (Ref 24-22-00/201).

 S 862-003

 (2)  
Move the FLT CONTROL HYD POWER - WING VALVE switches No. 1, 2, 3 and 4 on P461 Pilot's Overhead Maintenance Panel to SHUTOFF.

 S 862-005

 (3)  
For the applicable system, open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P180 DC Power Distribution Panel
 1) 180H7 LATERAL CONT VALV SYS 1
 2) 180E6 LATERAL CONT VALV SYS 2
 3) 180H22 LATERAL CONT VALV SYS 3
 4) 180E21 LATERAL CONT VALV SYS 4

 S 862-006
 (4)  
Do this task: "Hydraulic System Depressurization"
 (Ref 29-11-00/201).

 S 012-007

 (5)  
Open the access panel below the power control package.

 S 492-008

 (6)  
Attach the safety device to the receptacle on the wing upper surface, forward of the power control package.

 S 012-009

 (7)  
Remove the access panel above the power control package.

 E.
Remove the Outboard Aileron Power Control Package

 NOTE: The summing lever is part of the assembly of the power control
____ package. The removal and replacement of the power control package must include the summing lever.
 S 022-010
 (1)  Remove the power control package (Fig. 201):
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
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