SEE B
DIFFERENTIAL
PRESSURE
INDICATOR

FWD INBD
FOR THE CASE
DRAIN FILTER
FOR ACMP C2

DIFFERENTIAL PRESSURE INDICATOR FOR THE RETURN FILTER
DIFFERENTIAL PRESSURE INDICATOR FOR THE PRESSURE RETURN FILTER FOR FILTER ACMP C2
RETURN FILTER MODULE
C
Differential Pressure Indicators for the Center System
Figure 603

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 29-11-00
 ALL  ú ú 01 Page 611 ú Dec 20/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 TASK 29-11-00-206-438
 4.  Differential Pressure Indicator Inspection for the Pressure Filter of the_________________________________________________________________________ Right (R) Engine-Driven Pump (EDP)______________________________________
 A.  References
 (1)  
AMM 06-43-00/201, Engine and Nacelle Strut Access Doors and Panels

 (2)  
AMM 29-11-17/401, Left and Right System Engine-Driven Pump (EDP) Pressure and Case Drain Filter Module and Components

 (3)  
AMM 78-31-00/201, Thrust Reverser System

 B.  
Access

 (1)  
Location Zones
 444/445 Nacelle Strut - Aft Fairing

 (2)  
Access Panels
 444AL Hydraulic Bay

 C.  
Procedure

 S 866-439
 WARNING: DO THE THRUST REVERSER PROCEDURE TO PREVENT THE OPERATION OF
_______ THE THRUST REVERSER. ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).

 S 016-440

 (2)  
Open the access panel, 444AL, for the hydraulic bay in the aft strut (AMM 06-43-00/201).

 S 216-444

 (3)  
Do the steps which follow to examine the differential pressure indicator for the pressure filter of the EDP in the right hydraulic system (Fig. 602):

 (a)  
Make sure the red indicator button on the differential pressure indicator did not come out.

 (b)  
If the red indicator button came out, replace the filter element and set the red indicator button for the pressure filter of the right EDP (AMM 29-11-17/401).

 S 416-445
 (4)  
Close the access panel, 444AL, for the hydraulic bay in the aft strut (AMM 06-43-00/201).
　
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