S 095-110
 WARNING:_______REFER TO AMM 32-00-30/201 FOR LOCK REMOVAL PROCEDURE. RAPID ACTION OF DOORS MAY INJURE PERSONNEL OR DAMAGE EQUIPMENT.
 (8)  
Do this task: "Nose Landing Gear Door Lock Removal" (AMM 32-00-30/201).

 (9)  
Remove electrical power if no longer necessary (AMM 24-22-00/201).

 S 865-111
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-51-00
 ALL  ú ú 04 Page 526 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 STEERING TILLER AND CABLE DRUM - REMOVAL/INSTALLATION
_____________________________________________________
 1.  General
_______
 A.  This procedure has two tasks:
 (1)
The removal of the steering tiller and the cable drum

 (2)
The installation of the steering tiller and cable drum.

 B.  
The two steering tillers are found in the flight deck. One is found left of the seat of the pilot. The other is found right of the seat of the first officer. The removal and the installation procedures for the two tillers are the same.

 NOTE: The steering cable of the nose wheel for the captain is identified
____ as NWS1A. The cable for the first officer is identified as NWS1B.
 TASK 32-51-01-004-001
 2.  Steering Tiller and Cable Drum Removal
______________________________________
 A.  Special Tools and Equipment
 (1)  G12001 - Rigging Pins Rigging Pins - NS-1, NS-2 and NS-3, 0.311 (+0.000/-0.002)-inch diameter, 4.00-(NS-1 and -2) 6.00-(NS-3) inch length.
 NOTE: Rigging pin is part of G12001 tool kit
____
 B.  References
 (1)
AMM 09-11-00/201, Towing

 (2)
AMM 32-51-00/501, Nose Wheel Steering System

 (3)
AIPC 32-51-01 Fig. 2

 C.  
Access

 (1)  
Location Zone
 221 Control Cabin, LH
 222 Control Cabin, RH

 D.  
Remove the Steering Tiller and Cable Drum (Fig. 401)

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-51-01
 ALL  ú ú 01 Page 401 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
SEE A SEE B
TILLER BOLT
HANDLE (CAPTAIN'S)
A
PIN 
POINTER 
GUARD  CLAMPING SCREW 
SLOT 
BOLT  SIDEWALL 
(3 LOCATIONS)  PANEL 
NWS1A-1  A 
INBD  FWD 

NWS1A-2 (INBOARD GROOVE)BRACKET
(TO RUDDEL PEDAL NWS1A-1 INTERCONNECT) (OUTBOARD GROOVE)COUNTERSUNK (TO CABLE COMPENSATOR)WASHER DRUM
STOP
A
SHAFT
CABLEBOLT DRUM
PINPOINTER
SIDEWALL NWS1A-2
PANEL SPACER
A-A
Landing Gear Steering Tiller and Cable Drum Installation Figure 401 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-51-01
 ALL  ú ú 01 Page 402 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

BOLT 
TILLER HANDLE 
(FIRST OFFICER) 
B 

PIN
CLAMPING SCREW
SLOT
POINTER
SIDEWALL PANEL

GUARD
BOLT
B
(3 LOCATIONS)INBD
FWD
NWS1B-2

NWS1B-2
(OUTBOARD GROOVE)
(TO RUDDER PEDAL
INTERCONNECT)

NWS1B-1 (INBOARD GROOVE) BRACKET (TO CABLE COMPENSATOR) COUNTERSUNK WASHER
B
DRUM STOP
SHAFT
CABLE DRUM BOLT
PIN
POINTER
NWS1B-1 SIDEWALL
SPACER PANEL
B-B
Landing Gear Steering Tiller and Cable Drum Installation Figure 401 (Sheet 2)
K25850
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
　
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 起落架 LANDING GEAR 8(8)