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时间:2011-10-11 13:04来源:蓝天飞行翻译 作者:航空
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 866-314
 (11)
 Put the landing gear lever in the OFF position.

 S 616-315

 (12)
 Do a check of the fluid level in the hydraulic reservoirs
 (AMM 12-12-01/301).

 

 S 866-389
 CAUTION: DO NOT OPERATE THE HYDRAULIC PUMPS WITHOUT A MINIMUM QUANTITY
_______ OF FUEL IN THE TANKS OR AFTER THE OVERHEAT LIGHT COMES ON. IF THE HEAT EXCHANGERS OF THE HYDRAULIC SYSTEM ARE NOT FULLY INTO THE FUEL, THE HYDRAULIC FLUID CAN BECOME TOO HOT.
 (13)
 If you use an ACMP to pressurize the hydraulic system, make sure the left and right main fuel tanks each contain at least 600 gallons of fuel.

 S 866-317

 (14)
 If you use an ACMP to pressurize the hydraulic system, pressurize the system reservoir (AMM 29-11-00/201).

 S 866-318

 (15)
 Align the inertial reference system to permit you to engage the autopilot during some leak check procedures (AMM 34-21-00/501).


 F.  Do the Full Left Hydraulic System Internal Leakage Check
 S 486-320
 (1) If you use the flowmeter technique, do these steps:
 (a) If you use an ACMP to pressurize the system, do these steps:
 1)  Install the flowmeter in the pressure line between the left system ACMP and the ACMP pressure/case drain filter module.
 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.
 2)  Put the L HYD PUMPS ELEC pump switch to the ON position.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-11-00
 ALL  ú ú 08 Page 680G ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (b)  If you use the hydraulic service cart, do these steps:
 1)  Connect the service cart pressure and return lines to the left system ground power conections with a flowmeter installed in the cart pressure line.
 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.
 
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本文链接地址:757 AMM 飞机维护手册 液压 CHAPTER 29 - HYDRAULIC POWER 1(149)