(2)
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems
(3)
AMM 32-00-15/201, Landing Gear Door Locks
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-11-24
ALL ú ú 01 Page 405 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
D. Access
(1)
Location Zones
143/144 MLG Wheel Well
197 Wing to Body - Lower Half (Left)
(2)
Access Panel
197KL Central Hydraulic Service Center
E.
Procedure
S 644-016
(1) Apply hydraulic lubricant or hydraulic fluid to these components:
(a)
O-rings (9, 11)
(b)
Backup ring (10)
(c)
Threads of the union (8)
(d)
Threads of the pressure relief valve (7).
S 434-017
(2)
Install the O-ring (9) on the union (8).
S 434-018
(3)
Install the union (8) in the outlet port of the pressure relief valve (7).
S 434-019
(4)
Install the O-rings (9, 11) and the backup ring (10) on the pressure relief valve (7).
S 434-020
(5)
Remove the cap from the opening on the reservoir.
S 424-021
(6)
Install the pressure relief valve (7) on the reservoir.
S 424-022
(7)
Install these components to hold the pressure relief valve (7) in its position:
(a)
Clamp (1)
(b)
Bolts (2, 3)
(c)
Washers (4)
(d)
Filler (5)
(e)
Nuts (6).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-11-24
ALL ú ú 01 Page 406 ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 434-023
(8) Connect the pressure relief tube to the pressure relief valve (7).
S 864-024
(9) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11: (a) 11K15, HYDRAULICS ELEC PUMP C1 (b) 11K16, HYDRAULICS ELEC PUMP RIGHT (c) 11K24, HYDRAULICS ELEC PUMP C2 (d) 11K25, HYDRAULICS ELEC PUMP LEFT
S 864-025
(10)
Pressurize the hydraulic hydraulic reservoir (AMM 29-11-00/201).
S 794-026
(11)
Make sure there are no leaks of air at the pressure relief valve (7).
S 414-027
(12)
For the center hydraulic system, close the access panel, 197KL, for the central hydraulic service center (AMM 06-41-00/201).
S 094-028
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.
(13) For the left or right hydraulic system, remove the door locks from the landing gear doors and close the doors (AMM 32-00-15/201).
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(11)
