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时间:2011-04-21 07:59来源:蓝天飞行翻译 作者:航空
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 S 414-017

 (4)  
Close the access door on the forward telescoping module.

 S 444-018

 (5)
Do the Activate the Cargo Loader procedure (Ref 25-51-00/201).

 (6)  
Do the cargo loader system test (Ref 25-51-00/501).


 S 714-019
 TASK 25-51-27-904-020
 3. Extend-Limit Switch - Removal/Installation (Fig. 402)
__________________________________________
 A. References
 (1)  
24-22-00/201, Electrical Power - Control

 (2)  
25-50-02/401, Cargo Compartment Sidewall Panels

 (3)  
25-51-00/201, Cargo Loader Systems (Deactivation)

 (4)  
25-51-00/501, Cargo Loader System


 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE CARGO LOADER SYSTEM ú

 25-51-27
 ú ú 06 Page 405 ú Jun 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL

 B. Access
 (1)  
Location Zones
 154 Aft Cargo Compartment (Right)


 (2)  
Access Panels
 822 No. 2 Cargo Door

 

 C. Procedure - Remove the Extend-Limit Switch
 S 864-022
 (1)  
Hold the control switch in the UNLOAD position to move the forward module away from the forward wall of the compartment.

 S 044-023

 (2)  
If the cargo loader does not operate, do the Deactivate the Cargo Loader procedure (Ref 25-51-00/201).

 S 864-024

 (3)  
Remove electrical power (Ref 24-22-00).

 S 864-025

 (4)  
Open these circuit breakers on the APU external power panel, P34, and attach DO-NOT-CLOSE tags:

 (a)  
34A7, AFT CARGO LOADER CONT

 (b)  
34B16, AFT CARGO LOADER DRIVE

 


 S 014-026
 (5)  
Open the access door on the forward module to get access to the limit switch.

 S 014-027

 (6)  
Remove the sidewall lining near the sensor to get access to the wire splice (Ref 25-50-02).

 S 024-033

 (7)  
Remove the limit switch:

 (a)  
Remove the screws that hold the limit switch to the receptacle.

 (b)  
Disconnect the electrical wires from the limit switch.

 (c)  
Remove the limit switch and the spacer from the receptacle.

 


 D. Procedure - Install the Extend-Limit Switch
 S 424-046
 (1)  Install the extend-limit switch:
 (a)  
Connect the electrical wires to the limit switch.

 (b)  
Put the limit switch and the spacer on the receptacle.

 (c)  
Install the screws and nuts that hold the limit switch to the receptacle.

 (d)  
Adjust the trigger plate assembly to the dimension shown (View A-A, Fig. 402).


 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE CARGO LOADER SYSTEM ú

 25-51-27
 ú ú 04 Page 406 ú Jun 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 (2)  S 414-043Install the sidewall panel (Ref 25-50-02).
 (3)  S 414-044Close the access door on the forward module.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH THE CARGO LOADER SYSTEM ú

 25-51-27
 ú ú 04 Page 407 ú Jun 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 EMERGENCY EQUIPMENT - DESCRIPTION AND OPERATION
_______________________________________________
 1.  General_______
 A. Emergency equipment includes:
 (1)  
Flight compartment escape ropes

 (2)  
Overwater survival equipment


 
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