C.  
Access

 (1)  
Location Zone
 715 Nose Landing Gear

 D.  
Prepare for the Removal

 S 864-024
 WARNING: MAKE SURE THE GROUND LOCKS ARE INSTALLED IN ALL THE LANDING
_______ GEAR. WITHOUT THE GROUND LOCKS, THE LANDING GEAR COULD RETRACT AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  Make sure the ground locks are installed in the nose and main landing gear (AMM 09-11-00/201).
 S 494-025
 WARNING:_______OBEY THE INSTALLATION PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)  Open the doors for the nose landing gear and install the door locks (AMM 32-00-30/201).
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747-400
MAINTENANCE MANUAL

SEE A
SEE B
SEE C
FWD
SEE D
A
Torsion Links Installation for the Nose Landing Gear Figure 401 (Sheet 1)
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747-400
MAINTENANCE MANUAL

1.  RETAINER
5.  UPPER
TORSION
LINK

3.  
STEERING COLLAR

4.  
PIN FOR THE UPPER TORSION LINK

2.  NUT
B
6.  
HANDLE

7.  
TRIPOD
APEX PIN

5. UPPER TORSION LINK
8. QUICK-RELEASE PIN
10. LOWER TORSION LINK
9.  THREADED BUSHING
14.  NUT
FWD
11.  PIN FOR THE LOWER TORSION
C  LINK
12.  
INNER CYLINDER ATTACH LUG

13.
RETAINER FWD

D
Torsion Links Installation for the Nose Landing Gear
Figure 401 (Sheet 2)

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MAINTENANCE MANUAL

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

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 S 014-005
 (3) Remove the left wheel and tire assembly (AMM 32-45-02/401).
 NOTE: This makes it possible to remove the lower link pin.
____
 E.  Procedure
 S 034-006
 (1) Do these steps to remove the tripod apex pin (7):
 CAUTION: DO NOT LET THE TORSION LINK FALL ON THE SQUAT SENSOR
_______ BRACKET. THE SQUAT SENSOR BRACKET COULD BEND OR BREAK.
 (a)
Install the holding tool to keep the torsion link in position.

 (b)
Push and hold the button on the quick-release pin (8).