757 MAINTENANCE MANUAL
 S 034-016
 (3)  Remove the O-rings from the check valve or the differential pressure indicator.
 TASK 29-22-05-404-017
 3.  Install the Filter Module and Components (Fig. 401)________________________________________
 A. General
 (1)  
This task contains procedures which install the components which follow:

 (a)  
Filter module

 (b)  
Filter element

 (c)  
Check valve

 (d)  
Differential Pressure Indicator

 (2)  
To start one of these procedures, do the applicable group of steps that is necessary to install the component. Then, do the "Put the Airplane Back to Its Usual Condition" group of steps.

 B.
Consumable Materials

 (1)  
D00054 Hydraulic System Lubricant - MCS 352

 C.
References

 (1)  
AMM 12-12-01/301, Hydraulic Systems

 (2)  
AMM 12-25-01/301, Exterior Cleaning

 (3)  
AMM 24-22-00/201, Electrical Power

 (4)  
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems

 (5)  
AMM 32-00-15/201, Landing Gear Door Locks

 D.
Access

 (1)  
Location Zone
 143 Left MLG Wheel Well

 E.
Install the Filter Module

 S 644-018
 (1)  
Apply hydraulic lubricant or hydraulic fluid to the new O-ring and the threads of the union.

 (2)  
Install the new O-ring on the union.

 (3)  
Install the union in the inlet port of the filter module.

 S 434-019
 S 434-020
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 29-22-05
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 144-021
 (4)  
Clean the surfaces of the filter module which touch the structure which holds the filter module.

 S 424-022

 (5)  
Hold the filter module on the structure.

 S 424-023

 (6)
Install the bolts and the washers which hold the filter module.

 S 434-024

 (7)  
Remove the caps from the hydraulic lines.

 S 434-025

 (8)  
Connect the hydraulic lines to the filter module.

 F. Install the Filter Element
 S 644-026
 (1)  
Apply hydraulic lubricant or hydraulic fluid to the new O-rings and the threads of the filter case.

 S 434-027

 (2)
Install the new O-rings on the filter element and the filter case.

 S 424-028

 (3)  
Install the filter element on the filter module.

 S 424-029

 (4)  
Install the filter case on the filter module.

 S 434-030

 (5)  
Tighten the filter case to 270-300 pound-inches.

 G. Install the Check Valve or the Differential Pressure Indicator
 S 644-031
 (1)  Apply hydraulic lubricant or hydraulic fluid on the O-rings and the threads of the check valve or the differential pressure indicator.
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