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时间:2011-04-21 08:01来源:蓝天飞行翻译 作者:航空
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 (1)  Make sure these circuit breakers on the P6 panel are closed:
 (a)  
6H1, FIRE EXTINGUISHING ENG L BTL 1

 (b)  
6H2, FIRE EXTINGUISHING ENG L BTL 2

 (c)  
6H3, FIRE EXTINGUISHING ENG R BTL 1

 (d)  
6H4, FIRE EXTINGUISHING ENG R BTL 2


 S 864-084
 (2)  Make sure this circuit breaker on the P11 panel is closed:
 (a)  11A33, INDICATOR LIGHTS 2
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MAINTENANCE MANUAL

 (3)  S 864-085Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag: (a) 11A32, INDICATOR LIGHTS 1
 (4)  S 984-086Insert the hex key in the key receptacle on the pressure switch of the engine fire bottle 1 (B17).
 (5)  S 984-097Turn the key clockwise and hold it. (a) Make sure the ENG BTL 1 DISCH light on the ENGINE FIRE Control Panel M10443 (P8) comes on. (b) Make sure the EICAS message, ENG BOTTLE 1, shows on the top display.
 (6)  S 984-088Release the ground test hex key. (a) Make sure the ENG BTL 1 DISCH light goes off. (b) Make sure the EICAS message, ENG BOTTLE 1, is not shown on the top display.
 (7)  S 864-090Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag: (a) 11A33, INDICATOR LIGHTS 2
 (8)  S 864-091Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel: (a) 11A32, INDICATOR LIGHTS 1
 (9)  S 984-092Insert the hex key in the key receptacle on the pressure switch on the engine fire bottle 2 (B18).
 S 984-098

 (10) Turn the key clockwise and hold it.
 (a)  
Make sure the ENG BTL 2 DISCH light on the ENGINE FIRE Control Panel M10443 (P8) comes on.

 (b)  
Make sure the EICAS message, ENG BOTTLE 2, shows on the top display.


 S 984-094
 (11) Release the ground test hex key.
 (a)  
Make sure the ENG BTL 2 DISCH light goes off.

 (b)  
Make sure the EICAS message, ENG BOTTLE 2, is not shown on the top display.


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757
MAINTENANCE MANUAL

 S 864-096
 (12) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:
 (a) 11A33, INDICATOR LIGHTS 2
 S 914-099
 (13) Do the Engine Fire Switch Inspection Check (AMM 26-21-03/601).
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757 MAINTENANCE MANUAL
 ENGINE FIRE SWITCH - INSPECTION CHECK
_____________________________________
 1.  General
_______
 A.  This procedure does the operational checks of the engine fire switch to make sure the firing circuit is correct and the engine is isolated.
 B.  This procedure contains a task. The task gives the operational checks of the engine fire switch functions.
 TASK 26-21-03-206-001
 2.  Engine Fire Switch Operation Check (Fig. 601)
__________________________________
 A.  General
 WARNING: DO NOT TOUCH THE SQUIB BEFORE YOU DO THE PROCEDURES FOR DEVICES
_______ THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE THE FIRE BOTTLE TO RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  Before you touch the squib, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
 B.  Equipment
 (1)  Electrical Test Equipment - Bottle Squib, Fire
 
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