B A B A C C STRUT DRAG UPPER PIN APEX LOCK LINK FORWARD
STRUT DRAG UPPER STRUT DRAG LOWER 1 WASHER (2) LOCK LINK FORWARD
CRANK FOR THE GEAR-OPERATED SEQUENCE VALVE
TANG WASHER NUT WASHER NUT BOLT
B-B (2 LOCATIONS) LOCK BOLT NUT WASHER
CAP END SPRING FOR THE AFT WHEEL WELL WALL FITTINGS SPRING CAP END
AFT LOCK LINK
NUT
(2 LOCATIONS) NUT WASHER BOLT A-A LINK LOCK AFT SHAFT SUPPORT SPRING ACTUATOR LOCK BOLT C-C PIN COTTER WASHER TANG
1 INSTALL WASHERS BETWEEN THE UPPER AND LOWER DRAG STRUTS, ON THE SIDE CLOSEST TO THE CRANK FOR THE GEAR-OPERATED SEQUENCE VALVE
Lock Link Assembly Installation for the Nose Landing Gear Figure 401
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A
757 MAINTENANCE MANUAL
E. Remove the Lock Link Assembly
S 014-006
(1)
Remove the bolt to disconnect the upper end of the lock actuator from the aft lock link (View C-C).
S 014-007
(2)
Remove the lock springs for the nose landing gear
(AMM 32-21-15/401).
S 014-008
(3) Remove the proximity sensor and the wire harness for the nose ú landing gear from the lock link (AMM 32-61-03/201).
S 014-009
(4)
Remove the spring support shaft to disconnect the aft lock link from the wall fittings of the aft wheel well (View A-A).
S 014-010
(5)
Hold the upper and the lower drag strut. Remove the apex pin to disconnect the forward lock link from the drag strut (View B-B). Insert the pin through the upper and the lower drag strut to hold the strut in position.
S 024-011
(6)
Remove the bolt to disconnect the lock link from the control rod for the gear-operated sequence valve.
TASK 32-21-06-404-012
3. Install the Lock Link Assembly for the Nose Landing Gear (Fig. 401)
________________________________________________________
A. Equipment
(1)
Downlock, NLG - B32001-4
(2)
Door Lock, Landing Gear - (AMM 32-00-15/201)
B.
Consumable Materials
(1)
D00633 Grease - BMS 3-33 (Recommended)
(2)
D00013 Grease - MIL-G-23827 (Alternative)
C.
References
(1)
07-11-02/201, Jacking Airplane Nose
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757
MAINTENANCE MANUAL
(2)
12-21-12/301, Nose Gear and Actuating Mechanisms
(3)
29-11-00/201, Pressurize/Depressurize Main Hydraulic System
(4)
32-00-15/201, Landing Gear Door Locks
(5)
32-00-20/201, Landing Gear Downlocks
(6)
32-21-15/401, Nose Gear Lock Springs
(7)
32-34-00/501, Nose Gear Extension and Retraction
(8)
32-61-03/201, Nose Gear Proximity Sensor
D.
Access
(1)
Location Zones
711 Nose Landing Gear (NLG)
713/714 Forward NLG Doors
715/716 Aft NLG Doors
730/740 Main Landing Gear and Doors
E.
Install the Lock Link Assembly
S 644-013
(1)
Apply grease to the bolts, the pins, the washers, and the bushing surfaces before installation.
S 414-014
(2)
Put the spring support shaft through the aft lock link and the wall fittings for the aft wheel well (View A-A).
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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(189)
