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时间:2011-04-10 09:54来源:蓝天飞行翻译 作者:航空
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 D. Parts ~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 402  | 1 | Bolt | 27-21-01  |  2  | 35,40 | | | 2 | Washer | | | 50 | | | 3 | Nut | | | 55 | | | 4 | Washer | | | 45 | | | 5 | Bushing | | | 60 | | | 6 | Lockwasher | 55-40-52  |  1  | 96 | | | 7 | Bushing | | | 110 | | | 9 | Bolt-Assy | 27-21-16  |  2  | 245 | | |  11 | Rudder-Lower | 27-21-01  |  2  | 190 | | |  12 | Bushing | 27-21-16  |  2  | 240 | | | 13 | Washer | | | 250 | | | 14 | Nut | | | 255 | | | 15 | Lever Assy.-Summing | | | 220 | | | 16 | Cap Screw | | | 100 | | | 17 | Washer | | | 105 | | | 18 | Cap | | | 110 | | | 19 | Housing Assy. | | | 115 | | | 21 | Bushing | | | 130 | | | 22 | Washer | | | 140 | | | 23 | Nut | | | 145 | | | 24 | Bolt-Assy. | | | 135 | | | 25 | Collar | | | 210 | | | 26 | Washer | | | 205 | | | 28 | Washer | | | 90 | | | 29 | Bolt | | | 85 | | | 30 | Washer | | | 200 | | | 31 | Bolt | | | 195 | | | 32 | Bolt | 27-28-01 | 1 | 75 | | | 33 | Washer | | | 85 | | | 34 | Nut | | | 90 | | | 35 | Pin | 27-21-01 | 2 | 95 | | | 36 | Bushing-Threaded | | | 142 | | | 37 | Bolt | | | 20 | | | 38 | Washer | | | 25 | | | 39 | Nut | | | 30 | | | 40 | Lockbolt | | | 65 | | | 41 | Washer | | | 70 | 2......…........…...................................…...........….....…........1
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400 MAINTENANCE MANUAL
 ~.............................................................................. | MM | | IPC | ................. ...........................| | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ...............................................................................| | |  42 | Nut | 27-21-01  |  2  | 75 | | | 43 | Nut | | | 90 | | | 44 | Washer | | | 85 | | | 45 | Washer | | | 80 | | | 46 | Bushing-Threaded | | | 142 | | | 49 | Pin | | | 105 | | | 50 | Bushing | | | 110 | | | 51 | Washer | | | 100 | | | | | | | | 2......…........…...................................…...........….....…........1
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 E. References
 (1)  
12-21-17/301, Rudder and Rudder Trim Control System

 F.
Access

 (1)  
Location Zone
 324 Vertical Fin, Rear Spar to Trailing Edge
 325 Rudder, Lower


 (2)  
Access Panel
 324BL Inspection Access Panel
 324CL Inspection Access Panel
 324DL Inspection Access Panel
 324EL Inspection Access Panel
 324FL Inspection Access Panel


 G.
Prepare to Install the Lower Rudder


 S 224-026
 (1)  
If you will install a used bolt, sleeve bushing, or bearing, make sure it is not worn too much.

 S 214-027

 (2)  
Make sure the seals for the rudder are in good condition (Fig. 403).

 S 284-116

 (3)  
Make sure the threaded bushings (36, 46) in hinges No. 2 and 3 are fully retracted.

 S 494-028

 (4)  
Attach the sling assembly to the lower rudder.

 S 494-118

 (5)  
Attach the sling assembly to the crane.


 NOTE: We recommend that you use a load positioner (also called a
____ Zero G device) to let you manually move the lower rudder.
 H. Procedure
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