(8)  
AMM 29-11-19/401, System C ACMP Pressure/Case Drain Filter Module and Components

 (9)  
AMM 32-00-15/201, Landing Gear Door Locks

 (10)
 AMM 32-00-20/201, Landing Gear Downlocks

 D.
Access

 (1)  
Location Zones 197 Wing to Body - Aft Lower Half (Left) 211/212 Control Cabin 434/444 Nacelle Strut - Aft Fairing

 (2)  
Access Panels 197KL Central Hydraulic Service Center 434AL/444AL Hydraulic Bay

 E.
Prepare for the Internal Leakage Check of the ACMP Check Valves

 S 866-255
 (1)  
Make sure the persons on the ground can speak with those in the control cabin.

 S 616-256

 (2)  
Do a check of the fluid level in the hydraulic reservoirs (AMM 12-12-01/301).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-11-00
 ALL  ú ú 09 Page 674 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 866-384
 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.
 (3)  
Make sure the left and right main fuel tanks each contain at least 600 gallons of fuel.

 S 866-385

 (4)  
Pressurize the hydraulic system reservoirs (AMM 29-11-00/201).

 S 866-258

 (5)  
Supply electrical power (AMM 24-22-00/201).

 S 016-260

 (6)  
Open the access panels, 434AL and 444AL, for the hydraulic bay in the aft strut (AMM 06-43-00/201).

 S 016-261

 (7)  
Open the access door, 197KL, for the central hydraulic service center (AMM 06-41-00/201).

 S 496-262

 (8)  
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).

 S 016-263
 WARNING:_______USE THE PROCEDURE AMM 32-00-15 TO REMOVE THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (9)  Open the doors for the landing gear and install the door locks (AMM 32-00-15/201).
 F. Left Hydraulic System ACMP Check Valve Internal Leakage Check
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
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