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时间:2011-04-15 08:38来源:蓝天飞行翻译 作者:航空
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Install the control thermostat (AMM 30-41-06/401).

 (a)  
Install the spring retainer (7) for the control thermostat.

 (b)  
Connect the wires to the thermostat (8). Tighten the fasteners to 12 - 15 pound-inches.

 


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747-400
MAINTENANCE MANUAL

 (c) (d)  Lift the spring retainer (7) and put the thermostat (8) below the spring on the window pane.Lower the spring on top of the thermostat.
 S 434-033
 (4)  Install the overheat thermostat (AMM 30-41-06/401). (a) Connect the thermostat (10) to the electrical connector. (b) Apply a thin layer of the thermal sealant to the window surface area at the thermostat (10) location. (c) Lift the spring and hold the thermostat (10) against the window pane. (d) Lower the spring on top of the thermostat. (e) Make sure the sealant is even below thermostat (10). (f) If there is too much sealant around the thermostat, remove it.
 S 414-063
 (5)  For No. 3 window, do the following: (a) Install the vertical section of the fiberglass dripshield (15) at the aft edge of the window (STA 340 bulkhead) from approximately WL 340 to 363. (b) Apply sealant to the area that is common to the aft edge of No. 3 window, (i.e. to the edge of the dripshield section). (c) Install the fasteners. (d) Install the vertical section of the fibergalss interior lining at the aft edge of the window (STA 340 bulkhead) from appromimately WL 340 to 363.
 S 414-061
 (6)  For No. 2 window, Install No. 2 sunshade/molding (if removed).
 S 414-072
 (7)  Install the lower duct.
 S 414-073
 (8)  Install the upper molding common to the aft No. 1, 2, and 3 windows.
 S 414-074
 (9)  Install No. 3 window sunshade.

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747-400 MAINTENANCE MANUAL
 S 414-075
 (10)
 Install the visor track (sunvisor) (AMM 25-13-03/401)

 S 414-076

 (11)
 Install the crash pads on both windows (AMM 25-15-02/401).

 S 954-041

 (12)
 Remove the protective tape or the spray coating from the inner surface of the window.

 S 864-042

 (13)
 Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6 Main Power Distribution Panel
 1) 6B17 WINDOW HEAT 1R
 2) 6B34 WINDOW HEAT 1L
 3) 6E28 WINDOW HEAT 2L & 3R PWR
 4) 6E30 WINDOW HEAT 2R & 3L PWR


 (b)  
P180 DC Power Distribution Panel
 1) 180H12 WDO HEAT CONT 1R
 2) 180H26 WINDOW HEAT CONT 1L

 


 (14)
 Do a check of the window heat system (AMM 30-41-00/501).


 S 734-043
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747-400 MAINTENANCE MANUAL
 FLIGHT COMPARTMENT NO. 2 AND 3 WINDOWS - INSPECTION/CHECK
_________________________________________________________
 1.  General_______
 A.  This procedure has one task. This task is to do an inspection of the flight compartment No. 2 and 3 windows for damage.
 B.  The window inspection includes the inspection for these defects:
 -Scratches
 -Cracks
 -Chips
 -Delamination
 -Bubbles
 -Defective window heat
 -Deterioration of the moisture seals and/or aerodynamic smoother.
 C.  The visual and the structural quality of the window heat for the windows is very important. You must replace the windows that have structural damage or that decreases visual capacity. You must also replace the windows that do not warm correctly when you apply heat.
 
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本文链接地址:747-400 AMM 飞机维护手册 WINDOWS 窗户/风挡(21)