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时间:2011-04-11 09:21来源:蓝天飞行翻译 作者:航空
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 (3)  S 014-022Remove the captain's or first officer's P2-3 and P2-4 panels.
 (4)  S 014-023Remove the captain's or first officer's IDU enclosure.
 (5)  S 034-024Do this task:  "Nozzle Removal"
 NOTE:____ This task is in this procedure.
 (6)  S 024-025Remove the nozzle fitting: (a) Attach a nylon cord around the O-ring groove on the nozzle fitting. (b) Carefully remove the nut from the nozzle fitting. (c) Lower the nozzle fitting until it hangs from the fluid supply hoses.
 NOTE:____ Let the nut go up the cord and let the excess cord hang out of the nozzle fitting hole in the airplane skin.

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747-400 MAINTENANCE MANUAL
 (d)  Disconnect the supply hoses from the nozzle fitting (use a cloth to catch the supply hose fluids which are caught in the hoses).
 CAUTION: DO NOT PULL THE LOOSE END OF THE CORD THROUGH THE NOZZLE
_______ FITTING HOLE IN THE AIRPLANE SKIN. IF YOU PULL THE END OF THE STRING THROUGH THE HOLE, THE NOZZLE FITTING WILL NOT BE EASY TO INSTALL.
 (e) Remove the nozzle fitting. Discard the packings.
 TASK 30-44-02-404-089
 5. Nozzle Fitting Installation (Fig. 401)
___________________________
 A. References
 (1)  
AMM 31-61-02/401, Integrated Display Unit

 (2)  
AIPC 30-43-00, Fig. 5

 (3)  
SSM 30-42-01

 (4)  
WDM 30-43-11


 B. Access
 (1)  Location Zone 221 Control Cabin, LH - Captain's Instrument Panel and Outside No. 1 Left Window
 222  Control Cabin, RH - First Officer's Instrument Panel and Outside No. 1 Right Window
 C. Procedure
 S 424-090
 (1)  Install the nozzle fitting:
 (a)  
Install new packings in the nozzle fitting.

 (b)  
Install the supply hose assemblies.


 NOTE: You must install the hoses at the correct angle to make
____ sure that they will not twist when you install the nozzle fitting.
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 (c) (d) (e) (f)  Attach a nylon cord around the O-ring groove on the nozzle fitting.Carefully pull the nozzle fitting up through the hole in the airplane skin with the nylon cord.Install the nut on the nozzle fitting.Remove the nylon cord from the nozzle fitting.
 (2)  S 434-091Do this task:  Nozzle Installation.
 NOTE:____ This task is in this procedure.
 (3)  S 794-093Make sure that there are no visible leaks where the supply hoses attach to the nozzle fitting.
 (4)  S 414-094Install the captain's or first officer's EFIS enclosure.
 (5)  S 414-095Install the captain's or first officer's P2-3 and P2-4 panels.
 (6)  S 414-096Do this task for the PFD and ND on the captain's or the first officer's P2 panel: "Integrated Display Unit Installation" (AMM 31-61-02/401).
 (7)  S 864-097Remove the DO-NOT-CLOSE tags and close these circuit breakers: (a) P7, Overhead Circuit Breaker Panel 1) 7E26, WSHLD WASH (b) P6, Main Power Distribution Panel 1) 6B32, WINDSHIELD WASH PUMP 2) 6B34, WINDOW HEAT 1L PWR

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MAINTENANCE MANUAL

 3) 6B17, WINDOW HEAT 1R PWR
 (c)  
P180, DC Power Distribution Panel 1) 180H26, WDO HEAT CONT 1L 2) 180H12, WDO HEAT CONT 1R

 (d)  
P414, Left Power Distribution Center 1) 414D8, CAPT PWR SEAT
 
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