29-11-00
ALL ú ú 09 Page 675 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 866-386
WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ YOU SUPPLY THE HYDRAULIC POWER. THE AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR WHEN YOU SUPPLY THE HYDRAULIC POWER.
(1) Pressurize the left hydraulic system with a hydraulic service cart (AMM 29-11-00/201).
NOTE:____You can not use the system ACMP to do this step. You can motor the engine to supply hydraulic pressure with the EDP to do a check of the ACMP low pressure light.
S 216-265
(2) Make sure the PRESS light for the left ACMP on the hydraulic control panel on the pilots overhead panel, P5, is on.
NOTE: If there is a leak of system pressure through the check valve
____ in the ACMP filter module, the PRESS light will be off.
S 366-266
(3)
If the PRESS light is off, replace the check valve in the left ACMP filter module (AMM 29-11-18/401).
S 866-267
(4)
Push the L HYD PUMPS ELEC switch on the hydraulic control panel on the P5 panel to ON.
S 216-268
(5)
Make sure the PRESS light for the left ACMP on the P5 panel is off.
S 816-269
(6)
If the PRESS light is on, repair the pressure indication circuit for the left system and again do the two steps above.
S 866-270
(7)
Push the L HYD PUMPS ELEC switch on the hydraulic control panel on the P5 panel to off.
S 866-271
(8)
Remove the pressure from the left hydraulic system (AMM
29-11-00/201).
G.
Center Hydraulic System ACMP Check Valves Internal Leakage Check
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
29-11-00
ALL ú ú 16 Page 676 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 866-387
WARNING:_______ KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
YOU SUPPLY THE HYDRAULIC POWER. THE AILERONS, ELEVATORS,
RUDDER, FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY
POWERED SURFACES. INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN
OCCUR WHEN YOU SUPPLY THE HYDRAULIC POWER. 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 1(141)
