S 492-230

 (44)
 Connect the supply line to the right EDP.

 S 902-231

 (45)
 Remove and replace the following filters:

 (a)  
Right system return filter (AMM 29-11-15/401).

 (b)  
Right EDP pressure and case drain filters (AMM 29-11-17/401).

 (c)  
Right ACMP pressure and case drain filters (AMM 29-11-18/401).

 S 862-232
 (46)
 Close the right reservoir drain valve and install lockwire.

 S 612-233

 (47)
 Fill the right hydraulic system reservoir (AMM 29-11-00/201).

 S 862-234

 (48)
 Pressurize the right hydraulic system and check for external leakage.

 S 842-235

 (49)
 Put the airplane back to its normal condition.

 H. Replace the fluid in the center hydraulic system as follows:
 S 862-290
 WARNING: PRESSURIZATION OF A MAIN HYDRAULIC SYSTEM WILL SUPLY POWER TO
_______ COMPONENTS OF THE AILERON, ELEVATOR, RUDDER, SPOILER, WING FLAPS, LANDING GEAR SYSTEMS AND WHEEL WELL DOORS. WHEN YOU SUPPLY THE HYDRAULIC POWER, THE AILERONS AND ELEVATORS WILL TRY TO MOVE TO THE NEUTRAL POSITION. ALSO, ALL SYSTEMS WILL TRY TO MOVE TO THE POSITION OF THE CONTROLS. MAKE SURE YOU ISOLATE THE SYSTEMS AND CONTROLS WHICH MUST NOT OPERATE TO PREVENT MOVEMENT OF COMPONENTS WHICH CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Remove the pressure from the left, right, and center hydraulic systems (AMM 29-11-00/201).

 S 862-237

 (2)  
Remove the pressure from the center hydraulic system reservoir (AMM 29-11-00/201).

 S 872-238

 (3)  
Drain the center reservoir into a waste container
 (AMM 29-11-22/401). Keep the drain open.

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 ALL  ú ú 01 Page 231 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL

 (4)  S 862-239Provide electrical power to the airplane (AMM 24-22-00/201).
 (5)  S 862-240Make sure the FLT CONTROL SHUTOFF switches on the Accessory Panel (P61) are in the OFF position.
 (6)  S 862-297Connect the hydraulic ground cart to the case drain of the C2 Alternating Current Motor Pump (ACMP).
 (7)  S 172-298Apply 400 psi to the C2 ACMP case drain line until approximately two gallons of fluid have been flushed into the waste container.
 (8)  S 492-299Connect the case drain line to the C2 ACMP.
　
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