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时间:2011-10-30 09:32来源:蓝天飞行翻译 作者:航空
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 (2)  
Access Panel
 119BL


 F.
Install the Lower Drag Strut


 S 644-045
 (1)  
Apply grease to the pins, the bolts, and the washers before
 installation.


 S 014-046

 (2)  
Hold the upper drag strut (1) and the lock link (3).

 S 014-069

 (3)  
Remove the apex pin (2).

 S 864-070

 (4)  
Position the lower lock link (3) between the apex of the drag strut and the shock strut.

 (a)  
Install two washers (4) between the upper and lower drag struts, both washers go on the same side ( side opposite of bearing flange).


 S 414-071
 (5)  
Install the apex pin (2), the nut (8), and the washer (9) to connect the lower drag strut (10) to the upper drag strut (1) and the lock link (3) (View A-A).

 (a)  
Tighten to 70-80 pound feet. Loosen to the nearest lock position and install the lockbolt (5), the washer (6) and the nut (7).


 S 424-048
 (6)  
Install the pin for the lower drag strut (21), the nut (25) and the washer (26) to connect the lower drag strut to the shock strut.

 (a)  
Install two washers (27) between the lower drag strut and the shock strut, both washers go on the same side (side opposite of the bearing flange).

 (b)  
Tighten to 70-89 pound-feet. Loosen to the nearest lock position and install the lockbolt (22), the washer (23) and the nut (24) (View C-C).


 S 414-049
 (7)  Install the lower pulley support bracket for the steering cables (AMM 32-51-13/401).
 

 32-21-04
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A

757 MAINTENANCE MANUAL
 S 414-050
 (8)  
Install the landing and the runway turnoff lights, P62 and P63 panels, on the nose landing gear (AMM 33-42-04/401).

 G.
Put the Airplane Back to Its Usual Condition


 S 414-051
 (1)  
Install the lock springs for the nose landing gear
 (AMM 32-21-15/401).


 S 714-052

 (2)  
Do the extension and retraction test on the nose landing gear (AMM 32-34-00/501).

 S 484-053

 (3)  
Lower the nose of the airplane and remove the jack
 (AMM 07-11-02/201).


 S 644-054

 (4)  
Lubricate the strut at the grease fittings.


 S 094-072
 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.
 (5)  Remove the door locks and close the doors (AMM 32-00-15/201).
 

 32-21-04
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A

757 MAINTENANCE MANUAL
 NOSE GEAR UPPER AND LOWER DRAG STRUTS - INSPECTION/CHECK
________________________________________________________
 1.  General_______
 A.  This procedure only has an illustration, and a wear limit table which shows the data for wear limits. There are no procedures for access, removal, or installation of the parts. Refer to the Nose Gear Upper and Lower Drag Strut - Removal/Installation for the procedures to do these tasks.
 TASK 32-21-04-206-001
 2.  Wear Limits for the Upper and Lower Drag Strut of the Nose Landing Gear_______________________________________________________________________ (Fig. 601)
 A.  Wear Limits for the Upper and Lower Drag Strut
 S 226-002
 (1)  Refer to Fig. 601 for the inspection points and the wear limit table.
 
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