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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 094-011
 WARNING:_______REFER TO AMM 32-00-30/201 FOR THE LOCK REMOVAL PROCEDURE. THE FAST MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (5) Remove the door locks of the wing and body gear (AMM 32-00-30/201).
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A
747-400 MAINTENANCE MANUAL
 BODY GEAR STEERING ARMING SWITCH - REMOVAL/INSTALLATION
_______________________________________________________
 1.  General_______
 A.  This procedure removes and installs the steering arming switch of the body landing gear.
 TASK 32-53-15-004-001
 2.  Body Gear Steering Arming Switch Removal________________________________________
 A.  Special Tools and Equipment
 (1)  
8ME65B01202-1 - Torsion Link Holding Tool

 B.  
References

 (1)  
AMM 09-11-00/201, Towing

 (2)  
AMM 32-00-30/201, Landing Gear Door Locks

 (3)  
AMM 32-51-07/401, Nose Gear Rudder Pedal Steering Interconnect Actuator

 (4)  
AIPC 32-51-62 Fig. 1

 (5)  
SSM 32-53-01

 (6)  
WDM 32-53-11

 C.  
Access

 (1)  
Location Zone
 211 Forward Passenger Cabin, LH

 D.  
Prepare for Removal

 S 494-002
 (1)  
Make sure that you install the ground locks of the landing gear (AMM 09-11-00/201).

 S 864-004

 (2)  
Open the 7G23 BODY GR STRG ARM AC circuit breaker on the P7 Overhead Circuit Breaker Panel.

 S 864-005

 (3)  
Open the 7G24 BODY GR STRG ARM DC circuit breaker on the P7 Overhead Circuit Breaker Panel.

 S 014-006
 CAUTION:_______DO NOT LET THE TORSION LINK FALL. IF THE TORSION LINK FALLS, DAMAGE TO THE MOUNTING BRACKET OF THE SQUAT SWITCH CAN OCCUR.
 (4)  Remove the apex bolt of the torsion link of the nose landing gear (Fig. 402).
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A
747-400
MAINTENANCE MANUAL

SEE  A
SEE  B 
BODY GEAR STEERING 
ARMING SWITCH 
MOUNTING 
SCREW 
RIGGING  INTERCONNECT 
PIN  ACTUATORS 
CHANNEL 
SWITCH 
A 
ADJUSTING 
BOLT 
INBD  FWD 
B 
Body Gear Steering Arming Switch Installation 
Figure 401 

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A 
747-400 
MAINTENANCE MANUAL 
SEE  A 
B 
B 
A 
FWD 
A 
A 
5.5 
UPPER 
TORSION  CRIMP FERRULE 
CABLE  LINK  (2 PLACES) 
BUTTON 
QUICK- 14.0 
RELEASE 
PIN 
APEX  0.12 
BOLT 
2.12 
LOWER  THREADED 
TORSION  BUSHING 
LINK  NOTE:____ DIMENSIONS ARE IN INCHES. 
HANDLE 
A-A  B-B 
Torsion Links Installation 
Figure 402 

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