applicable roller stop.
 7) Open the door.
 8) Remove the roller stops.
 9) Put washers on the roller stops.

 NOTE: The washers change the location of the roller
____ stops. This puts a load on the latch.
 a) Add 0.018 inch to the dimension you measured between
 the roller stop and the roller. b) Get washers that are as thick as this sum. c) Install the washers on the roller stop.
 10) Install the roller stops.
 11) Put the lockwire on the bolt in the roller stop.

 S 714-011
 (5)  
Do a check of the manual operation of the latch.

 (a)  
Open and close the door five times.

 S 434-012
 (6)  
Connect the stay brace to the door.

 (a)  
Attach the stay brace to the plate on the door. 1) Make sure the clevis is in the correct radial location.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-49-05
 ALL  ú ú 01 Page 405 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 2) Install the pin and the washer. 3) Install, but do not bend, the cotter pin.
 (b)  
Move the door almost to the closed position.

 (c)  
Make sure the clevis and the plate align.

 (d)  
If it is necessary, make the clevis and the plate align. 1) Remove the stay brace from the plate. 2) Remove the plate from the door. 3) Change the shims below the plate until the clevis and the

 plate align. 4) Install the plate. 5) Attach the stay brace to the plate.

 (e)  
Open the door to engage the pins on the stay brace.

 (f)  
Make sure the bottom pin on the stay brace points aft.

 (g)  
If it is necessary, make the bottom pin point aft. 1) Remove the stay brace from the plate on the door. 2) Push the bottom pin, and at the same time, turn the bottom

 tube to make the pin point aft. 3) Attach the stay brace to the plate on the door.

 (h)  
Do a check of the operation of the stay brace. 1) Slowly close and open the door. 2) Feel that the stay brace moves freely and easily.

 (i)  
Bend the cotter pin at the plate on the door.

 TASK 52-49-05-704-014
 4. Jackscrew Access Door Test (Fig. 402)
__________________________
 A. General
 (1)  
This task is a test of the stabilizer jackscrew access door to make sure it will open when it feels a pressure difference.

 (2)  
This task refers to the stabilizer jackscrew access door as "the door".

 B.
Special Tools and Equipment

 (1)  
G52015, Test Eqpt - Actuator, Access Door Latch

 C.
Standard Tools and Equipment

 (1)  
Maintenance Stand

 D.
Access

 (1)  
Location Zone
 312 Area Aft of Pressure Bulkhead, RH

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-49-05
 ALL  ú ú 01 Page 406 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

1
 C78824
Figure 402 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 52-49-05
 ALL  ú ú 02 Page 407 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

FWD
SCREW (2 LOCATIONS)
CROSS BAR (NOTCH FAR SIDE)
LATCH ADAPTER FITTING
RELIEF LATCH CORD ASSEMBLY
HYDRAULIC ASSEMBLY
LATCH ROLLER ASSEMBLY
LATCH (2 LOCATIONS) HOOK (2 LOCATIONS) DOOR
Stabilizer Jackscrew Access Door Latch Test Equipment Installation Figuer 402 (Sheet 2)
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 艙門 DOORS 4(55)