757
MAINTENANCE MANUAL

FILTER MODULE HOUSING
O-RING
FILTER MODULE HOUSING PRESSURE
SWITCH O-RINGS
DIFFERENTIAL ELECTRICAL
PRESSURE CONNECTOR
INDICATOR
DIFFERENTIAL PRESSURE INDICATOR C PRESSURE SWITCH
D
FILTER MODULE HOUSING
FILTER MODULE HOUSING
O-RINGS
FILTER ELEMENT
(2 LOCATIONS)
FILTER CASE
(2 LOCATIONS)
FILTER
O-RING
E

O-RINGBACKUP RING (2 LOCATIONS) BACKUP RING (2 LOCATIONS)
CHECK VALVE
CHECK VALVE F
Filter Module Installation Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757 MAINTENANCE MANUAL
 S 034-013
 (8)  
Remove the check valve or union from the pressure inlet port of the filter module.

 S 034-026

 (9)  
Install caps on the ports of the filter module.

 F. Remove the Filter Element (Fig. 401)
 S 024-027
 WARNING: BEFORE YOU REMOVE THE FILTER CASE, MAKE SURE YOU BLEED ALL THE
_______ HYDRAULIC PRESSURE LINES COMPLETELY. USE CONTAINERS AS REQUIRED TO CAPTURE RESIDUAL HYDRAULIC FLUID REMAINING IN THE UNIT.
 CAUTION: DO NOT PRESSURIZE THE HYDRAULIC SYSTEM AFTER YOU REMOVE THE
_______ FILTER ELEMENT CASE. THIS CAN CAUSE DAMAGE TO THE FILTER MODULE OR THE CHECK VALVE.
 (1)  
Remove the filter case and the filter element from the filter module.

 S 024-028

 (2)  
Remove the filter element from the filter case.

 S 164-029

 (3)  
Clean the filter case.

 G. Remove the Differential Pressure Indicator (Fig. 401)
 S 024-030
 (1)  
Remove the differential pressure indicator from the filter module.

 S 034-031

 (2)  
Install a cover on the opening in the filter module.

 H. Remove the Check Valve (Fig. 401)
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 01 Page 405 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 024-097
　
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