S 434-069

 (2)  
Connect the hydraulic hose to the diagonal brace.

 (a)  Do this task with the clamps that are attached to the diagonal brace.
 S 434-070
 (3)  
Connect the pneumatic tube to the diagonal brace with the clamps that are attached to the diagonal brace.

 S 434-071

 (4)  
Connect the ground lead between the strut and wing.

 S 434-073

 (5)  
On outboard struts, install the air-driven pump turbine drive aft of the torque bulkhead (AMM 29-11-08/401).

 S 434-075

 (6)  
On outboard struts, install the air-driven pump aft of the torque bulkhead (AMM 29-11-17/401).

 S 434-076

 (7)  
On inboard struts, install the AC motor-driven pump aft of the torque bulkhead (AMM 29-11-19/401).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-01
 ALL  ú ú 01 Page 420 ú Feb 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 424-171
 (8)  
On outboard struts, install the strut drain line exit at the bulkhead penetration at NAC STA 241.

 S 434-077

 (9)  
Connect the tubes found above the closure spar as follows:

 (a)  The fuel supply tube
 1) Connect the coupling on the fuel supply tube
 (AMM 28-00-00/201).

 2)  Install the clamp that attaches the fuel supply tube to the upper link (on outboard struts) or to the strut (on inboard struts).
 3)  Connect the ground lead to the fuel tube.
 (b)  
The pneumatic tube
 1) Connect the tube nut on the pneumatic tube.

 (c)  
The hydraulic tubes 1) Connect the tube nuts on the case drain tube. 2) Connect the thrust reverser pressure and return tubes. 3) Install the clamp that attaches the three hydraulic tubes

 to the strut.

 (d)  
The fire extinguisher tube 1) Connect the tube nut on the fire extinguisher tube. 2) Install the clamp that attaches the fire extinguisher tube

 to the nacelle strut.
 S 434-078
 (10) Connect the pneumatic ducts as follows (AMM 36-11-01/401):
 (a)  On outboard struts, the pneumatic supply duct which is found at aft of the torque bulkhead 1) Connect the two duct support links which are found near the
 coupling clamp.
 a) Do this by the installation of the bolt, bushing,

 washer, and nut for each of the link. 2) Connect the pneumatic tube to the pneumatic duct. 3) Install the duct coupling clamp.
 (b)  The wing anti-icing duct which is found above the closure spar 1) Install the duct coupling clamp.
 S 434-079
 WARNING: CONNECT AND DISCONNECT ELECTRICAL LINES ONLY WITH THE
_______ ELECTRICAL POWER OFF. HIGH VOLTAGE CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (11) Do these steps to install the generator power feeder into the strut (WDM Chapter 20).
 (a)  
Install the power feeder into the strut with the correct routing.

 (b)  
Connect the seal housing at the strut raceway.

 (c)  
Add sealant (BMS5-63 Class B) to the power feeder seal fitting.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-01
 ALL  ú ú 01 Page 421 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (d)  
Connect the seal clamp block at the midspar web of the strut.

 (e)  
Connect all the clamps that attach the power feeder to the structure.

 S 434-130
 (12)
 On inboard struts, connect the flight control wire bundles to the clamp that is attached to the upper link.

 S 434-080

 (13)
 Connect the electrical connectors for the applicable strut as follows:

 (a)  
Remove the identification tags from the wire bundles and pull the wire bundles into the strut.
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 NACELLES/PYLONS(13)