29-11-00
 ALL  ú ú 01 Page 219 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (2)  
AMM 29-11-02/401, Center System Alternating Current Motor Pump (ACMP)

 (3)  
AMM 29-11-05/401, Engine Driven Pump (EDP)

 (4)  
AMM 29-11-13/401, Center System Return Filter Module and Components

 (5)  
AMM 29-11-15/401, System L and R Return Filter Module

 (6)  
AMM 29-11-17/401, System L and R EDP Pressure/Case Drain Filter Module

 (7)  
AMM 29-11-18/401, Left and Right System ACMP Pressure and Case Drain Filter Module and Components

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

 C.
Access

 (1)  
Location Zones
 211/212 Control Cabin

 D.
Procedure

 S 862-099
 (1)  
Do this procedure: Remove the Pressure from the Main Hydraulic Systems and the Reservoirs.

 S 962-100

 (2)  
Replace the case drain and pressure filter elements in the filter module for the applicable hydraulic pump:

 (a)  
Engine-Driven Pump (EDP) (AMM 29-11-17/401)

 (b)  
Left and Right system Alternating Current Motor Pump (ACMP) (AMM 29-11-18/401)

 (c)  
Center System Alternating Current Motor Pump (ACMP) (AMM 29-11-19/401)

 S 962-101
 (3)  Replace the filter element in the return filter module of the applicable system:
 (a)  
Center hydraulic system (AMM 29-11-13/401)

 (b)  
Left of Right hydraulic system (AMM 29-11-15/401)

 S 862-102
 (4)  
Pressurize the applicable hydraulic system with the hydraulic pump which you replaced.

 S 862-103

 (5)
Operate all the systems which operate with hydraulic pressure (but not the landing gear) at least six times at the maximum rate.

 S 862-104

 (6)  
Do this procedure: Remove the Pressure from the Main Hydraulic Systems and the Reservoirs.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-11-00
 ALL  ú ú 01 Page 220 ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 962-105
 (7)  Replace the case drain and pressure filter elements in the filter module for the applicable hydraulic pump:
　
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