F.
Install the Filter Element

 S 644-029
 (1)  
Apply hydraulic lubricant or hydraulic fluid to the new O-rings, the backup rings, and the threads of the filter element case.

 S 434-030

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

 S 434-031

 (3)  
If it is necessary, install the O-rings and the backup rings in the filter element.

 S 424-032

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

 S 434-033

 (5)  
Tighten the filter element case to 20-25 pound-feet.

 S 434-034

 (6)  
Safety the filter element case with a lockwire.

 G.
Install the Pressure Switches

 S 644-035
 (1)  
Apply hydraulic lubricant or hydraulic fluid to the new O-ring and the threads of the pressure switch.

 (2)  
Install the new O-ring on the pressure switch.

 S 434-036
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-22-02
 ALL  ú ú 01 Page 406 ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 434-037
 (3)  
Remove the cap from the opening on the filter module.

 S 424-038

 (4)  
Install the pressure switch on the filter module.

 S 434-039

 (5)  
Tighten the pressure switch to 12-14 pound-feet.

 S 434-040

 (6)  
Safety the pressure switch with a lockwire.

 S 434-041

 (7)  
Connect the electrical connector to the pressure switch.

 H. Install the Check Valve or the Differential Pressure Indicator
 S 644-042
 (1)  
Apply hydraulic system lubricant or hydraulic fluid to the O-rings, the backup rings, and the threads on the component.

 S 434-043

 (2)
Install the new O-rings on the differential pressure indicator.

 S 434-044

 (3)
Install the new O-rings and the backup rings on the check valve.

 S 434-045

 (4)  
Remove the cap from the opening on the filter module.

 S 424-046

 (5)  
Install the check valve or the differential pressure indicator on the filter module.

 (6)  
Tighten the check valve to 45-50 pound-feet.

 (7)
Tighten the differential pressure indicator to 15-20 pound-feet.

 S 434-047
 S 434-048
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-22-02
 ALL  ú ú 01 Page 407 ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 I. Put the Airplane Back to Its Usual Condition
 S 864-049
 (1)  
Push the indicator button, on the differential pressure indicator, until it aligns with the adjacent surface.

 S 864-050

 (2)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11:
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 液壓 CHAPTER 29 - HYDRAULIC POWER 2(142)