S 414-015

 (3)  
Install the bolt to connect the forward lock link to the control rod for the gear-operated sequence valve (View B-B).

 S 414-016

 (4)  
Hold the upper and the lower drag strut. Remove the apex pin. Put the forward lock link in position and install the apex pin. Tighten the nut to 70-80 pound-feet. Loosen the nut to the nearest lock position and install the lockbolt (View B-B).

 S 424-017

 (5)  
Install the bolt to connect the upper end of the lock actuator to the aft lock link (View C-C).

 F.
Put the Airplane Back to Its Usual Condition

 S 414-018
 (1) Install the proximity sensor and the wire harness for the nose ú landing gear on the lock link (AMM 32-61-03/201).
 S 414-019
 (2)  
Install the lock springs for the nose landing gear (AMM 32-21-15/401).

 S 714-020

 (3)  
Do the extension and retraction test for the nose landing gear (AMM 32-34-00/501).

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 (4)  S 494-021Install the downlock for the nose landing gear (AMM 32-00-20/201).
 (5)  S 584-022Lower the airplane and remove the jack (AMM 07-11-02/201).
 (6)  S 644-023Lubricate the lock link assembly at the grease fittings (AMM 12-21-12/301).
 S 944-024

 WARNING:_______OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS. THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (7) Remove the door locks and close the doors (AMM 32-00-15/201).
 

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 NOSE GEAR TORSION LINKS - REMOVAL/INSTALLATION
______________________________________________
 1.  General_______
 A.  This procedure contains four tasks. The first task removes the upper torsion link from the nose landing gear. The second task installs the upper torsion link. The third task removes the lower torsion link for the nose landing gear. The fourth task installs the lower torsion link.
 TASK 32-21-09-004-001
 2.  Remove the Upper Torsion Link for the Nose Landing Gear (Fig. 401)_______________________________________________________
 A.  References
 (1)  
AMM 32-00-20/201, Landing Gear Downlocks

 (2)  
AMM 32-09-08/201, Nose Gear Not Compressed Sensors

 B.  
Access

 (1)  
Location Zones
 211/212 Control Cabin
 711 Nose Landing Gear (NLG)
 713/714 Forward NLG Doors
 715/716 Aft NLG Doors

 C.  
Prepare for the Removal of the Upper Torsion Link

 S 494-055
 WARNING: MAKE SURE THE DOWNLOCKS ARE INSTALLED ON THE NOSE AND MAIN
_______ LANDING GEAR BEFORE YOU MOVE THE CONTROL LEVER FOR THE LANDING GEAR. IF THE CONTROL LEVER IS MOVED WITHOUT THE DOWNLOCKS INSTALLED, THE LANDING GEAR CAN RETRACT AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (1)  
Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).

 S 494-003

 (2)  
Move the towing lever to the TOWING position. Install the lockpin for the steering valve to disable the nose wheel steering.

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6. PIN FOR THE LOWER TORSION LINK
B-B
　
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本文鏈接地址：757 AMM 飛機維護手冊 起落架 CHAPTER 32 - LANDING GEAR 1(190)