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时间:2011-04-21 08:04来源:蓝天飞行翻译 作者:航空
曝光台 注意防骗 网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者

The top three and the bottom hinge bolts (1) (View A)

 (c)  
The hinge bolt (11) that is below the middle PCA (View C)

 (d)  
The hinge bolts (6) that are above the top PCA and below the bottom PCA (View B).


 S 024-009
 (5)  Move the rudder (25) aft of the vertical fin (26) and lower it to the ground.
 NOTE: Pull the lock rope and use the guide ropes to turn the rudder
____ to its "counterbalance rotation" position (Fig. 404).
 TASK 27-21-21-424-010
 3. Rudder - Installation
_____________________
 NOTE: Refer to 27-21-21 for the applicable wear limit data.
____
 A. Equipment
 (1)  
Rudder Sling - B27066-36 (recommended), B27005-35 (optional)

 (2)  
Nose Gear Towing Lever Lockpin - A09003-1

 (3)  
Bonding Meter - Avtron Model T477W, Avtron Manufacturing Inc., Cleveland, Ohio

 B.
Consumable Materials

 (1)  
A00247 Sealant, Chromate Type - BMS 5-95

 (2)  
D00015 Grease - Corrosion Preventive - BMS 3-24

 (3)  
C00308 Compound, Corrosion Preventive -MIL-C-11796, Class 3

 (4)  
C00584 Primer - BMS 10-79, Type II

 C.
Parts


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 27-21-21
 ALL  ú ú 01 Page 405 ú Sep 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL

POWER CONTROL ACTUATOR (PCA)
(3 LOCATIONS)

SEE B
RUDDER POSITION TRANSMITTER
SEE A
1.
 CONTROL ROD


2.
 SCREW

3.
 WASHER (2)

4.
 NUT

RUDDER POSITION TRANSMITTER
A
RIG PIN HOLE R4
9. REACTION LINK
10. PCA
5.
 BOLT

6.
 BUSHING

7.
 WASHER

8.
 NUT


POWER CONTROL ACTUATOR (PCA)
B
Rudder Figure 402
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-21
 ALL  ú ú 01 Page 406 ú Jun 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

NOSE GEAR TOWING LEVER LOCKPIN 
TOWING LEVER (IN TOW POSITION) 
TOWING LEVER SEE A 
TOWING LEVER A
Nose Gear Steering Isolation Figure 403 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-21
 ALL  ú ú 01 Page 407 ú Jun 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

ZERO "G" DEVICE LOCK ROPE
VERTICAL STABILIZER
ZERO "G" DEVICE
RUDDER LOCK ROPE
221.6  GUIDE ROPE  FITTING ASSEMBLY 
INCHES  (2 LOCATIONS)  (2 LOCATIONS ON 
EACH SIDE) 
RUDDER  SEE  A 

FITTING ASSEMBLY INCHES 45.0
(2 LOCATIONS ON EACH SIDE)
SEE A GUIDE GUIDE ROPE ROPE (2 LOCATIONS)
LOCKED POSITION COUNTER BALANCE ROTATION POSITION(RECOMMENDED RUDDER SLING) (RECOMMENDED RUDDER SLING)
SLING LINE SPREADER BAR
RUDDER 
FITTING ASSEMBLY 
(2 LOCATIONS 
ON EACH SIDE)  FITTING ASSEMBLY 
SEE  A 
COUNTER BALANCE ROTATION POSITION  A 
(OPTIONAL RUDDER SLING) 
Rudder Sling 
Figure 404 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-21-21
 ALL  ú ú 01 Page 408 ú Sep 20/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL
 
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