(5)  
AMM 32-00-20/201, Landing Gear Downlocks

 (6)  
AMM 32-21-15/401, Nose Gear Lock Spring

 (7)  
AMM 32-51-13/401, Nose Wheel Steering Lower Pulley Support Bracket

 (8)  
AMM 32-61-03/201, Nose Gear Proximity Sensor

 (9)  
AMM 33-42-04/401, Nose Gear Landing and Runway Turnoff Lights, P62, and P63 Panels

 C.  
Access

 (1)  
Location Zones
 119/120 Main Equipment Center
 711 Nose Landing Gear (NLG)
 713/714 Forward NLG Door
 715/716 Aft NLG Door

 (2)  
Access Panel
 119BL Main Equipment Center

 D.  
Prepare for the Removal of the Drag Strut Assembly

 S 494-002
 (1)  Make sure the downlocks are installed on the nose and main landing gear (AMM 32-00-20/201).
 

 32-21-03
 ALL  ú ú 01 Page 401 ú Mar 20/97
 
A
757
MAINTENANCE MANUAL

END
CAP

Figure 401 (Sheet 1)

 32-21-03
 ALL  ú ú 01 Page 402 ú Dec 20/96
 
A

757
MAINTENANCE MANUAL

AFT LOCK LINK
LOWER
DRAG
STRUT
NUT
BOLT TANG WASHER WASHER (2) LOCK ACTUATOR
TANG WASHER NOSE LANDING GEAR
D-D
SHOCK STRUTNUT BOLT WASHER PIN
NUT (2 LOCATIONS)
C-C
HYDRAULIC LINE BYPASS VALVE FOR THE NOSE NUT
POSITION TARGET FOR 
THE NOSE LANDING GEAR 
TRUNNION 
TRUNNION PIN 
WASHER 
WASHER 
E  LINK  2  WASHER  2 

E
GEAR SEQUENCE LINK
VALVE
2
2 LOCK BOLT FOR LOWEST HYDRAULIC THE TRUNNION PIN LINE REMOVED
UPPER BRACKET
DRAG STRUT BRACKET 2BOLT
FWD
UPPER
DRAG STRUT
A E-E 2 THE BYPASS VALVE AND THE RELATED LINKAGE IS
INSTALLED ON LEFT SIDE ONLY
Drag Strut Assembly Installation for the Nose Landing Gear Figure 401 (Sheet 2)
 

 32-21-03
 ALL  ú ú 01 Page 403 ú Sep 28/99
 
A

757 MAINTENANCE MANUAL
 S 494-012
 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 AND DAMAGE TO EQUIPMENT.
 (2)  
Open the doors for the nose landing gear and install the door locks (AMM 32-00-15/201).

 S 864-004

 (3)  
Remove the pressure from the left hydraulic system
 (AMM 29-11-00/201).

 S 584-005

 (4)  
Lift the nose of the airplane until the wheels are above the ground (AMM 07-11-02/201).

 S 014-006

 (5)
Remove the nose landing gear locked sensor (AMM 32-61-03/201).

 S 014-007

 (6)  
Remove the lock springs for the nose landing gear
 (AMM 32-21-15/401).

 E.
Remove the Drag Strut Assembly.

 S 014-008
 (1)  
Remove the lowest hydraulic line from the bypass valve for the nose landing gear sequence valve (Detail A). Seal the fittings with a plug.

 S 014-009

 (2)  
Remove the hydraulic line that is near the trunnion (Detail A). Seal the fittings with a plug.

 S 494-010

 (3)  
Do the steps that follow to install the hoist equipment on the upper drag strut:

 (a)
Install the drag strut hoist on the end of the boom hoist.

 32-21-03
 ALL  ú ú 01 Page 404 ú Sep 28/01
　
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 起落架 CHAPTER 32 - LANDING GEAR 1(178)