38-41-11
 ALL  ú ú 01 Page 301 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL 
BLEED AIR FILTER SEE B 
TANK WATER 
FWD 
SEE  A  INBD 
A
HOLES MOUNTING FILTER HEAD FILTER 0-RING 
LOCKWIRE 0-RING 
ELEMENT FILTER 
CASE FILTER 
B 
Bleed Air Filter Element Installation Figure 301 

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 38-41-11
 ALL  ú ú 01 Page 302 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 TASK 38-41-11-403-009
 3.  Bleed Air Filter Element Installation_____________________________________
 A. References
 (1)  AMM 38-41-00/201, Water Tank Pressurization System
 B. Access
 (1)  Location Zone
 220 Aft Cargo Compartment Equipment Bay

 C. Procedure
 S 423-010
 (1)  
Install the O-ring into the filter element and install the new filter element into the filter case (Fig. 301).

 S 433-011

 (2)  
Install the O-ring on the filter case and turn the filter case into the filter head.

 S 863-012

 (3)  
Torque the filter case to 40-60 pound-inches.

 S 433-013

 (4)
Install a lockwire on the filter case and on the filter head.

 (5)  
Install the access panel.

 (6)  
Pressurize the water tank (AMM 38-41-00/201).

 S 413-014
 S 863-015
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 38-41-11
 ALL  ú ú 01 Page 303 ú Nov 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 WATER TANK PRESSURIZATION SYSTEM AIR FILTER - REMOVAL/INSTALLATION
__________________________________________________________________
 1.  General_______
 A. This procedure has these tasks:
 (1)  
Removal of the bleed air filter assembly.

 (2)  
Installation of the bleed air filter assembly.

 TASK 38-41-11-004-032
 2.  Bleed Air Filter Assembly Removal_________________________________
 A. References
 (1)  AMM 38-41-00/201, Water Tank Pressurization System
 B. Access
 (1)  Location Zone
 220 Aft Cargo Compartment Equipment Bay

 C. Procedure
 S 864-001
 (1)
Release the pressure on the water tank (AMM 38-41-00/201).

 S 014-002

 (2)  
Remove the access panel from the aft bulkhead in the aft cargo compartment.

 S 024-004

 (3)  
Remove the bleed air filter assembly as follows:

 (a)  
Disconnect the air lines from the air filter assembly (Fig. 401).

 (b)  
Remove the mounting bolts from the bleed air filter assembly.

 (c)  
Remove the bleed air filter assembly.

 (4)  
Install a protective cap on each of the air lines.

 S 434-006
 TASK 38-41-11-404-033
 3.  Bleed Air Filter Assembly Installation______________________________________
 A. References
 (1)  AMM 38-41-00/201, Water Tank Pressurization System
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 38-41-11
 ALL  ú ú 01 Page 401 ú Nov 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL BSEE BLEED AIR FILTER ASSEMBLY  WATER TANK 
SEE  A  FWD 
INBD 
A 
AIR LINE 
MOUNTING BRACKET

BLEED AIR FWD
　
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