S 865-079
(38)
On the reservoir in each hydraulic system, hold the manual depressurization valve in the open position to remove the air pressure.
S 215-080
(39)
Make sure the (L, R, C) RSVR PRESS indication on the EICAS display shows LOW.
S 865-087
(40)
Let the spring put the manual depressurization valve in the closed position.
S 215-129
(41)
Make sure the (L, R, C) RSVR PRESS indication on the EICAS display does not change from NORM to LOW for a minimum of one hour.
F.
Put the Airplane Back to Its Usual Condition
S 865-135
(1) Put the engine shutdown input to EICAS back to its usual condition (AMM 31-41-00/201).
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(2) S 415-136Close the left and right access doors, 193HL and 194ER, for the ECS components (AMM 06-41-00).
(3) S 215-137Close the access panel, 197KL, for the central hydraulic service center (AMM 06-41-00/201).
S 095-138
WARNING: USE THE PROCEDURE IN AMM 32-00-15/201 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(4)
Remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
S 865-139
(5)
Remove electrical power, if it is not necessary (AMM 24-22-00/201).
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HYDRAULIC RESERVOIR PRESSURE SWITCH - REMOVAL/INSTALLATION
__________________________________________________________
1. General_______
A. This procedure has two tasks. The first task removes the pressure switch on the reservoir in the left, right, and center hydraulic systems. The second task installs the pressure switch.
TASK 29-35-01-004-001
2. Remove the Pressure Switch (Fig. 401)__________________________
A. References
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
AMM 32-00-15/201, Landing Gear Door Locks
(4)
AMM 32-00-20/201, Landing Gear Downlocks
B. Access
(1)
Location Zones
143/144 MLG Wheel Well
197 Wing to Body - Aft Lower Half (Left)
(2)
Access Panel
197KL Central Hydraulic Service Center
C. Procedure 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 2(190)
