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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 864-032
 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 AND DAMAGE TO EQUIPMENT.
 (4)  
Do this task to pressurize the hydraulic systems No. 1 and 4: "Supply Hydraulic Power" (Ref 29-11-00/201).

 S 714-033

 (5)  
Operate the control column through the full travel.

 (a)  
Make sure that the EICAS flight controls status page shows the elevators at the full travel position.

 H.
Put the Airplane to its Usual Condition

 S 414-035
 (1)  
Close the access door 315A (Ref 06-09-05/201).

 S 414-036

 (2)  
Install the ceiling panels.

 S 864-037

 (3)  
If the hydraulic power is not necessary, do this task: "Remove Hydraulic Power" (Ref 29-11-00/201).

 S 864-038

 (4)  
If the electrical power is not necessary, do this task: "Remove Electrical Power" (Ref 24-22-00/201).

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 27-31-06
 ALL  ú ú 01 Page 409 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 INBOARD ELEVATOR POWER CONTROL PACKAGE - MAINTENANCE PRACTICES
______________________________________________________________
 1.  General_______
 A.  There are six tasks in this procedure. There is one task each for the removal, the installation, the adjustment, and the operational test of the inboard elevator power control package (PCP). Also, there is one task each for the removal and the installation of the inboard elevator PCP filters. The procedure has these parts:
 (1)  
The preparation for the removal of the inboard elevator PCP

 (2)  
The removal of the inboard elevator PCP

 (3)  
The installation of the replacement PCP

 (4)  
The adjustment of the inboard elevator PCP

 (5)  
The operational test of the inboard elevator PCP

 (6)  
The removal of the inboard elevator PCP filter

 (7)  
The installation of the replacement filter

 (8)  
The operational test of the inboard elevator PCP filter.

 B.  
The removal and installation procedure is the same for the left or the right inboard elevator PCPs and their filters.

 TASK 27-31-07-002-001
 2.  Inboard Elevator Power Control Package Removal (Fig. 201)______________________________________________
 A.  Special Tools and Equipment
 (1)  
2PME65B80550 Inboard Elevator Power Control Package Sling Cradle

 (2)  
2OHME65B80550 Inboard Elevator Power Control Package Sling

 (3)  
PF51-009-1 Fishpole Hoist, Pneumatic Powered (Preferred) (Commercially available)

 (4)  
PF51-003-1 Fishpole Hoist, Manual Operated (Optional) (Commercially available)

 (5)  
2TE65B00184 Holding Tool

 (6)  
MIT65B80550 Torque Wrench Adapter

 (7)  
ST2580-267-24 and ST2580-267-32 Spanner Wrench Adapter

 B.  
Standard Tools and Equipment

 (1)  
Bucket - one gallon capacity (for hydraulic fluid)

 C.  
References

 (1)  
AMM 06-09-06/201, Stabilizer and Elevator Access Doors and Panels

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 27-41-00/201, Horizontal Stabilizer Trim Control

 (4)  
AMM 29-11-00/201, Main Hydraulic Supply System

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-31-07
 ALL  ú ú 01 Page 201 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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