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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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 29-32-01
 ALL  ú ú 04 Page 402 ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 S 864-006
 (4)  
Remove the pressure from the hydraulic system and reservoir that contains the EDP temperature switch that you will remove (AMM 29-11-00/201).

 S 034-007

 (5)  
Remove the electrical connector from the switch.

 S 024-008

 (6)  
Remove the temperature switch from the filter module.


 TASK 29-32-01-424-009
 3. Install the EDP Temperature Switch
__________________________________
 A. Consumable Materials
 (1)  D00054 Hydraulic System Lubricant - MCS352
 B. References
 (1)  
AMM 06-43-00/201, Engine and Nacelle Strut Access Doors and Panels

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

 (3)  
AMM 29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems

 (4)  
AMM 78-31-00/201, Thrust Reverser System


 C. Access
 (1)  
Location Zones
 211/212 Control Cabin
 434/444 Nacelle Strut - Aft Fairing


 (2)  
Access Panels
 434AL Hydraulic Bay
 444AL Hydraulic Bay

 

 D. Install the EDP Temperature Switch (Fig. 401)
 S 644-010
 (1)  
Apply a layer of hydraulic lubricant or hydraulic fluid on the O-ring.

 (2)  
Install the O-ring on the temperature switch.

 S 424-012

 (3)  
Install the temperature switch in the filter module and tighten the temperature switch as follows:

 (a)  Tighten the temperature switch to 75-100 pound inches.

 (4)  
Connect the electrical connector.


 S 434-011
 S 434-013
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-32-01
 ALL  ú ú 01 Page 403 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (5)  S 864-014Remove the DO-NOT-CLOSE tags and close these circuit breakers on the overhead panel, P11: (a) 11K14, L ENG PUMP VLV DEPRESS or LEFT ENGINE PUMP DEPRESS (b) 11K23, R ENG PUMP VLV DEPRESS or R ENG PUMP DEPRESS
 (6)  S 864-015Pressurize the hydraulic system that contains the new EDP temperature switch (AMM 29-11-00/201).
 (7)  S 214-016Make sure there is no hydraulic leakage at the temperature switch.
 S 164-017

 CAUTION: QUICKLY CLEAN THE INSTALLATION AREA OF ALL HYDRAULIC
_______ FLUID. HYDRAULIC FLUID CAN CAUSE DAMAGE TO THE AIRPLANE EQUIPMENT.
 (8)  
Clean all hydraulic fluid from the installation area (AMM 12-25-01/301).

 S 414-027

 (9)  
Close the access panel for the hydraulic bay in the aft strut (AMM 06-43-00/201).

 S 444-020

 (10)
 Do the activation procedure for the isolation valve for the thrust reverser (AMM 78-31-00/201).

 S 864-021

 (11)
 Remove the power from the left, right, and center hydraulic systems if it is not necessary (AMM 29-11-00/201).


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