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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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_______ RESTRAINT AND PREVENT ACCIDENTAL CLOSING (FALLING) OF TRAILING EDGE FAIRING DOOR. PERSONNEL BEING STRUCK BY FALLING FAIRING DOOR COULD BE SERIOUSLY INJURED.
 (e)  Try to open the fairing door more, to do a check of the door lock. 1) The support rod must remain engaged with the mating
 receptacle.
 TASK 54-62-00-402-020
 5.  Close the Trailing Edge Fairing Door____________________________________
 A.  References
 (1)  AMM 54-62-03/501, Trailing Edge Fairing Doors
 B.  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

 C.  Procedure
 S 092-021
 (1)  Disengage the support rod.
 (a)  Manually support trailing edge fairing door and retract the sleeve on the support rod to release the lock.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-62-00
 ALL  ú ú 03 Page 207 ú Feb 10/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  Remove the rod from the mating receptacle.
 CAUTION: MAKE SURE THE SUPPORT ROD IS SECURELY STOWED WHEN
_______
 WHEN YOU CLOSE THE TRAILING EDGE FAIRING DOOR.
 IF THE SUPPORT ROD IS NOT STOWED, IT CAN CAUSE
 DAMAGE TO THE DIAGONAL BRACE.

 (c)  
On outboard struts, rotate the support rod at the center of the door toward the diagonal brace and engage it with the stowage clip on the brace.

 (d)  
On the inboard struts, rotate the support rod at the forward end of door toward the door, and engage it with stowage clip on door.


 S 412-022
 (2)  
Let the door come down slowly.

 S 982-041

 (3)  
Close the outboard trailing edge fairing door.


 (a)  Make sure that all the latch handles are fully open.
 CAUTION: MAKE SURE THAT THE HOOK ARMS AND LATCH HANDLES ARE NOT
_______ ENGAGED. YOU CAN DAMAGE THE EQUIPMENT IF THE HOOK ARMS AND LATCH HANDLES ARE IN THE INCORRECT POSITON.
 (b)  
Do a check to make sure that the latch hook arms for latches #1 through #5 point upwards.

 (c)  
Make sure that the hook arms are in position and locked above the spring-loaded retainer of the latch housing.

 (d)  
Align the doors so that latch #2 can be correctly engaged.


 NOTE: It is important to align the doors for latch #2 and to
____ then engage each of the remaining latches in order, forward to aft.
 1) Carefully pull the doors together and engage latch #6.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-62-00
 ALL  ú ú 02 Page 208 ú Jun 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 2) Engage latch #5.
 3) Release latch #6.
 4) Engage latch #2.
 5) Release latch #5.
 6) Hold the aft edge of the doors and gently move side-to-side

 to make sure the fittings on latch #2 are fully engaged.
 (e)  
Engage latch #1, then latch #3, #4, and latch #5.

 (f)  
Continue to work aft and engage each latch until latch #9 is engaged.

 (g)  
Hand tighten the adjusting screw to ensure that no gap exists between the latch eyebolt and the latch hook after the latching sequence has been achieved.


 S 982-042
 (4)  Close the inboard trailing edge fairing door.
 CAUTION: MAKE SURE THAT THE HOOK ARMS AND LATCH HANDLES ARE NOT
_______ ENGAGED. YOU CAN DAMAGE THE EQUIPMENT IF THE HOOK ARMS AND LATCH HANDLES ARE IN THE INCORRECT POSITON.
 (a)  
Make sure that all the latch handles are fully open.

 (b)  
Carefully pull the doors together and engage the latches in order, from forward latch #1 and work aft to latch #5.

 (c)  
Hand tighten the adjustment screw to ensure that no gap exists between the latch eyebolt and the latch hook after the latching sequence has been achieved.
 
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本文链接地址:747-400 AMM 飞机维护手册 NACELLES/PYLONS(92)