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时间:2011-10-11 13:08来源:蓝天飞行翻译 作者:航空
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 (c)  
Examine the filter elements for pieces of the filter screen from orifice plug in the checkout module.

 (d)  
If you find pieces of the filter screen, replace the checkout module.


 S 134-068
 (2)  
Clean the filter elements with an ultrasonic cleaner which contains solvent.

 S 964-069

 (3)  
If you cannot remove the contamination or if the filter elements has damage, replace the filter elements.

 S 644-070

 (4)  
Apply hydraulic lubricant or hydraulic fluid to the O-rings, the backup retainers, and the threads of the filter caps.

 S 434-071

 (5)  
Install a new O-ring on the filter cap.

 S 434-072

 (6)  
Use the assembly bullet as follows to install the O-ring and the backup retainers on the filter elements (Fig. 401).

 (a)  
Use the assembly bullet BLS-34533 on the pressure filter element.

 (b)  
Use the assembly bullet BLS-34529 on the case drain filter element.

 


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 29-21-11
 ALL  ú ú 01 Page 410 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 434-073
 (7)  Use the sizing die as follows to compress the backup retainers into the groove of the filter elements (Fig. 402).
 (a)  
Use the sizing die DAS-34534 on the pressure filter element.

 (b)  
Use the sizing die DAS-34530 on the case drain filter element.


 S 424-074
 (8)  
Install the filter elements in the checkout module.

 S 434-075

 (9)  
Install the filter caps on the checkout module.

 S 434-076

 (10)
 Tighten the filter cap for the pressure filter to 30-35 pound-feet.

 S 434-077

 (11)
 Tighten the filter cap for the case drain filter to 15-20
 pound-feet.


 S 434-078

 (12)
 Safety the filter caps with a lockwire.


 G. Put the Airplane Back to its Usual Condition
 S 864-079
 (1)  
Pressurize the center hydraulic system and the reservoir
 (AMM 29-11-00/201).


 S 734-080

 (2)  
Do the system test procedure for the hydraulic pump and drive system of the ram air turbine (AMM 29-21-00/501).

 S 214-081

 (3)  
Make sure there are no leaks at the pressure switch on the checkout module.


 S 114-082
 CAUTION: QUICKLY CLEAN THE AREA AROUND THE CHECKOUT MODULE OF ALL
_______ HYDRAULIC FLUID. HYDRAULIC FLUID CAN CAUSE DAMAGE TO THE AIRPLANE EQUIPMENT.
 (4)  Clean all hydraulic fluid from the area (AMM 12-25-01/301).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-21-11
 ALL  ú ú 01 Page 411 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 094-083
 WARNING: USE THE PROCEDURE IN AMM 32-00-15 TO REMOVE THE DOOR LOCKS.
_______ THE DOORS OPEN AND CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 
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