38-41-11
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A
737-300/400/500MAINTENANCE MANUAL
 B. Access
 (1)  Location Zone
 220 Aft Cargo Compartment Equipment Bay

 C. Procedure
 S 424-007
 (1) Install the bleed air filter assembly as follows:
 (a) Remove the protective caps from the air lines.
 NOTE: Make sure the outlet side of the air filter is aft.
____
 (b)
Put the air filter assembly on the mounting bracket (Fig. 401).

 (c)
Install the mounting bolts for the air filter assembly.

 (d)
Connect the air lines to the air filter assembly.

 S 414-009
 (2)
Replace the access panel.

 (3)
Pressurize the water tank (AMM 38-41-00/201).

 S 864-035
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A
737-300/400/500MAINTENANCE MANUAL
 PRESSURE RELIEF VALVE - MAINTENANCE PRACTICES
_____________________________________________
 1.  General
_______
 A.  This procedure has three tasks. The first task removes the pressure relief valve from the system that pressurizes the water tank. The second task installs the pressure relief valve. The third task does a test of the pressure relief valve.
 TASK 38-41-21-002-025
 2.  Pressure Relief Valve Removal (Fig. 201)
_____________________________
 A.  Reference
 (1)  AMM 38-41-00/201, Water Tank Pressurization System
 B.  Access
 (1)  Location Zone
 220 Aft Cargo Compartment Equipment Bay

 C.  Procedure
 S 862-024
 (1)
Release the pressure on the water tank (AMM 38-41-00/201).

 S 012-019

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

 S 022-020
 WARNING: DO NOT TURN THE DEFLECTOR CAP WHEN YOU REMOVE OR INSTALL THE
_______ PRESSURE RELIEF VALVE. THE PRESSURE AT WHICH THE RELIEF VALVE RELEASES PRESSURE CAN CHANGE IF THE DEFLECTOR CAP TURNS. IF THE PRESSURE RELIEF VALVE DOES NOT RELEASE AT THE CORRECT PRESSURE, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (3)  Turn the pressure relief valve counterclockwise to remove it from the fitting.
 NOTE: If it is necessary, use a suitable tool to hold the fitting
____ when you loosen the pressure relief valve.
 S 432-022
 (4)  Install a protective cap on the fitting.
 TASK 38-41-21-402-023
 3.  Pressure Relief Valve Installation
__________________________________
 A.  Reference
 (1)  AMM 38-41-00/201, Water Tank Pressurization System
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A 737-300/400/500MAINTENANCE MANUAL

Pressure Relief Valve Installation
Figure 201

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B69305
A
737-300/400/500MAINTENANCE MANUAL
 B. Consumable Materials
 (1)  
D00463 Grease, Food processing equipment - DOD-G-24650
　
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