20-11-22
 ALL  ú ú 01 Page 401 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

INSTALLED E/E BOX

EXTRACTOR EXTRACTOR FREE POSITION INSTALLED E/E BOX WITH THE EXTRACTOR TIGHTENED
TRIDAIR EXTRACTOR
E/E Box Installation Figure 401 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 20-11-22
 ALL  ú ú 01 Page 402 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

TIGHTENED EXTRACTOR WITH THE E/E BOX FULLY ENGAGED
LATCH
RED BAND

EXTRACTOR

LOOSENED EXTRACTOR ON THE T-HOOK WITH THE E/E BOX LOOSENED HOLLINGSEAD EXTRACTOR E/E Box Installation Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 20-11-22
 ALL  ú ú 01 Page 403 ú Jun 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

BLACK BOX 
UNIT 
HANDLE 
SEE  A 
ELECTRICAL  LEVER LATCH 
CONNECTORS  (SHOWN IN 
SEE  B LOCKED POSITION) 
FORK 
SHELF 
LEVER LATCH TYPE RETENTION 
(EXAMPLE) 
UNIT FRONT PANEL 
LIMITING TORQUE  CARRIAGE  NUT RETAINER  HOLD-DOWN HOOK 
KNOB 
SHELF 

RETAINER CUP
EXTRACTOR ASSEMBLY
SCREW TYPE RETENTION (EXAMPLE)
E/E Box Installation Figure 401 (Sheet 3)
F01957
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 20-11-22
 ALL  ú ú 01 Page 404 ú Jun 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

SHELF ASSEMBLY
TYPE I TYPE II
ADJUST FRONT HOLD DOWNS AS FOLLOWS:
WITH PLUG ON THE REAR OF UNIT FULLY ENGAGED AND THE HANDLE LEVER ON THE THE FRONT OF THE UNIT AT THE DIMENSION SHOWN, ADJUST FORKS BY ROTATING TO A POSITION WHERE THEY START TO EXERT PRESSURE ON THE LOCKING LEVER.
HANDLE

A  B 
CONNECTOR  INCH  INCH 
TYPE  MAX  MAX 
AD2  0.297 MAX 
AMP  0.297 MAX 
DPA  0.157 MAX 
DPD  0.138 MAX 
DPE  UNKNOWN  UNKNOWN 
DPDMA  0.138 MAX 
DPD2  0.138 MAX 
DPXA  0.297 MAX 
DPXB  0.297 MAX 
DPX2  0.297 MAX 
SR-RAI  0.581 MAX 

0.09 INCH MAXIMUM FOR ANY CONNECTOR
FULLY MATED (ALTERNATE METHOD)

____DIMENSIONS CAN BE MEASURED WITH PUTTY OR ANOTE:
MATED ELECTRICAL CONNECTORS (EXAMPLE)
PAPER SLEEVE OR RING OF A SUITABLE LENGTH
THAT WILL BE CRUSHED WHEN THE CONNECTOR IS
IS MATED PROPERLY.

E/E Box Installation
Figure 401 (Sheet 4)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 20-11-22
 ALL  ú
 ú  01  Page 405
 ú  Jun 10/95 

BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
F01954
A
747-400 MAINTENANCE MANUAL
 S 864-038
 (5)  Turn the keeper to align the deep slot with the T-hook. Lower the front hold-down extractor to be clear of the T-hook.
 NOTE: Apply light pressure down on the E/E box handle while you
____
 disconnect the front hold-down extractor.

 S 024-039
 (6)  Carefully move the E/E box out from the tray and remove the E/E box.
 NOTE: Shake the front of the E/E box from right to left for
　
中國航空網(wǎng) 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 STANDARD PRACTICES - AIRFRAME(72)