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时间:2011-04-15 08:34来源:蓝天飞行翻译 作者:航空
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 S 422-009

 (2)  
For access doors with pressure relief latches, insert edge of door in opening with door lip under skin, then insert screwdriver into latch handle slots and rotate screwdriver 90 degrees toward door to secure latches.


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 54-62-00
 ALL  ú ú 02 Page 203 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 422-027
 CAUTION: DO NOT APPLY EXCESSIVE FORCE TO ROTARY LATCH MECHANISM
_______ WHEN CLOSING ACCESS DOORS OR LATCH FLANGES MAY BEND AND RESULT IN LOSS OF DOOR.
 (3)  
For access doors with rotary nut latches, position door in opening and secure by turning rotary nut latches until a torque of 20-40 pound-inches (2.3-4.6 N.m) is achieved.

 S 822-011

 (4)  
Adjust the door (AMM 54-62-02/501), if necessary.

 S 092-013

 (5)  
Remove safety locks from leading edge flaps if installed (AMM 27-81-00/201).


 TASK 54-62-00-002-014
 4. Open the Trailing Edge Fairing Door (Fig. 202).
___________________________________
 A. Access
 (1)  Location Zone
 454 Nacelle Strut 1 - Aft Fairing
 464 Nacelle Strut 2 - Aft Fairing
 474 Nacelle Strut 3 - Aft Fairing
 484 Nacelle Strut 4 - Aft Fairing

 B. Procedure
 S 032-017
 (1)  Release the latches on the left trailing edge fairing door (5 places on inboard struts, 9 places on outboard struts).
 (a)  
Push where indicated on latch to release trigger.

 (b)  
Lift the top of the latch handle out from door, with the screwdriver in assist slot if necessary, and rotate handle down to release latch halves.


 S 012-018
 (2)  
Rotate the door out and upward to its maximum travel (approximately 60 degrees).

 S 432-019

 (3)  
Engage the support rod.

 (a)  
On the outboard struts, release the support rod at center of door from stowage clip on diagonal brace.

 (b)  
On the inboard struts, release support rod at forward end of door from stowage clip on door.

 


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 ALL  ú ú 02 Page 204 ú Feb 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL


Trailing Edge Fairing Doors - Opening and Closing
Figure 202 (Sheet 1)

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 ALL  ú ú 02 Page 205 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

SLEEVE (EXTENDED)

____RECEPTACLE ON INBOARD
NOTE: STRUTS SHOWN. RECEPTACLE ON OUTBOARD STRUTS ATTACHED TO DIAGONAL BRACE WITH CLAMP.
Trailing Edge Fairing Door - Opening and Closing
Figure 202 (Sheet 2)

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 ALL  ú ú 01 Page 206 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (c)  
Align the lock end of rod with the mating receptacle on the forward edge of inboard fairing door or center of outboard fairing door.

 (d)  
Push the lock end of rod into mating receptacle until locked. 1) Manually retract the sleeve if necessary to make it easy to install.


 2)  After you install the lock, make sure the lock plunger and sleeve are fully extended.
 WARNING: LOCK SUPPORT ROD IN ENGAGED POSITION TO PROVIDE WIND
 
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