(d)
Install the retainer plug (59) or the retainer plate (61).
(e)
Tighten the retainer plug (59), or the plate screws (62) with the washer (63) to 50-75 pound-inches.
(f)
Install the lockwire.
S 862-070
(2)
For the applicable system, remove the DO-NOT-CLOSE tags and close these circuit breakers:
(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 862-071
(3)
Set the FLT CONTROL HYD POWER - WING VALVE switches No. 1, 2, 3 and 4 on the P461 Pilot's Overhead Maintenance Panel to NORM.
(4)
Do this task: "Hydraulic System Pressurization" (Ref 29-11-00/201).
S 862-073
NOTE: Hydraulic systems No. 1 and 3 for the left power control
____ package. Hydraulic systems No. 2 and 4 for the right power control package.
S 862-074
(5) Operate the aileron a minimum of two full cycles.
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747-400 MAINTENANCE MANUAL
S 792-079
(6)
Examine the retainer plug (59) or the retainer plate (61) for leaks.
F.
Put the Airplane Back To Its Usual Condition
S 862-075
(1)
Do this task: "Hydraulic System Depressurization"
(Ref 29-11-00/201).
S 862-076
(2)
Do this task: "Electrical Power Removal" (Ref 24-22-00/201).
S 412-077
(3)
Close the access panels (Ref 06-09-08/201).
S 612-078
(4)
Do this task: "Hydraulic Reservoir Servicing" (Ref 12-12-01/301).
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747-400 MAINTENANCE MANUAL
OUTBOARD AILERON POWER CONTROL PACKAGE - MAINTENANCE PRACTICES
______________________________________________________________
1. General_______
A. There are eight tasks in this procedure. The tasks include the removal and installation of the power control package and its components. These are the tasks:
(1)
The removal of the power control package
(2)
The installation of the power control package
(3)
The removal of the filter
(4)
The installation of the filter
(5)
The removal of the compensator
(6)
The installation of the compensator
(7)
The removal of the check valve
(8)
The installation of the check valve.
TASK 27-11-13-002-001
2. Outboard Aileron Power Control Package Removal______________________________________________
A. Special Tools and Equipment
(1)
OHME65B80518-1 Sling Assembly Hoist
(2)
6ME65B02100-1 Outboard Aileron Lock
(3)
24MIT65B00002 Safety Device for Wing and Stabilizer
B.
References
(1)
24-22-00/201, Manual Control
(2)
29-11-00/201, Main Hydraulic Supply System
(3)
06-09-08/201, Wing Access Doors and Panels
(4)
IPC 27-11-13, Fig. 2.
C.
Access
(1)
Location Zone
592 Outboard Aileron, LH
692 Outboard Aileron, RH
(2)
Access Panel 591AB Outboard Aileron, Lower Wing Surface, LH 591BB Outboard Aileron, Lower Wing Surface, LH 591CB Outboard Aileron, Lower Wing Surface, LH 591DB Aileron Actuator, Lower Wing Surface, LH 591EB Outboard Aileron, Lower Wing Surface, LH 591FB Outboard Aileron, Lower Wing Surface, LH 591AT Aileron Actuator, Upper Wing Surface, LH 691AB Outboard Aileron, Lower Wing Surface, RH 691BB Outboard Aileron, Lower Wing Surface, RH 691CB Outboard Aileron, Lower Wing Surface, RH 691DB Aileron Actuator, Lower Wing Surface, RH 691EB Outboard Aileron, Lower Wing Surface, RH 691FB Outboard Aileron, Lower Wing Surface, RH 691AT Aileron Actuator, Upper Wing Surface, RH
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