(5)  
Move the slider on the reservoir depressurization valve to the open position. Install the valve lock to hold the valve in the open position.

 F.  
When It Is Not Necessary to Remove the Pressure from the Main Hydraulic Systems and Reservoirs, Put the Airplane Back to Its Usual Condition

 S 092-066
 CAUTION: MAKE SURE YOU REMOVE THE VALVE LOCK FROM THE DEPRESSURIZATION
_______ VALVE. THE PNEUMATIC SYSTEM CAN NOT PRESSURIZE THE HYDRAULIC RESERVOIR WITH THE VALVE LOCK INSTALLED.
 (1)
Remove the valve lock from the reservoir depressurization valve.

 S 212-067

 (2)  
Make sure the spring moves the slider on the valve to the closed position.

 S 412-068

 (3)  
For the left system, close the access panel 434AL for the hydraulic bay in the aft strut (AMM 06-43-00/201).

 S 412-070

 (4)  
For the right system, close the access panel 444AL for the hydraulic bay in the aft strut (AMM 06-43-00/201).

 S 862-072

 (5)  
Do the activation procedure for the thrust reverser
 (AMM 78-31-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-11-00
 ALL  ú ú 01 Page 216 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 412-073
 WARNING:_______OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6)  
For the left or right system, remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).

 S 412-074

 (7)  
For the center system, close the access panel 197KL for the central hydraulic service center (AMM 06-41-00/201).

 S 862-075

 (8)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
11D31, HYDRAULIC PTU CONT

 (b)  
11K15, ELEC PUMP C1

 (c)  
11K16, ELEC PUMP RIGHT

 (d)  
11K24, ELEC PUMP C2

 (e)  
11K25, ELEC PUMP LEFT

 TASK 29-11-00-862-079
 7.  Remove the Hydraulic Power__________________________
 A. General
 (1)  This procedure stops the main hydraulic systems. This procedure does not remove the pressure which stays in the system after the hydraulic power sources stop. If you will loosen hydraulic connections or open the hydraulic system, you must do this procedure: Remove the Pressure from the Main Hydraulic Systems and Reservoirs.
　
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本文鏈接地址：757 AMM 飛機維護手冊 液壓 CHAPTER 29 - HYDRAULIC POWER 1(48)