747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 1(87)

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BUSHING  OD  0.4970  0.4980  0.4930  X  1 
12  FLANGED BUSHING  ID  0.3125  0.3135  0.3160  0.005  3 
BOLT  OD  0.3110  0.3120  0.3090  X  1 
13  BUSHING  ID  0.3120  0.3135  0.3160  0.005  X 
BOLT  OD  0.3110  0.3120  0.3090  X  1 
14  FLANGED BUSHING  ID  0.4980  0.4995  0.502  0.005  3 
BUSHING  OD  0.4970  0.4980  0.495  X  1 
15  FLANGED BUSHING  ID  0.3125  0.3135  0.3170  0.005  3 
BOLT  OD  0.3110  0.3120  0.3075  X  1 
16  BUSHING  ID  0.4370  0.4385  0.4420  0.005  X 
BOLT  OD  0.4360  0.4370  0.4320  X  1 

Outboard Aileron Wear Limits
Figure 601 (Sheet 5)

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A
747-400
MAINTENANCE MANUAL

INDEX NO.  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  WORN PART REPLACE  PART WORN REPAIR  INSTR. REPAIR 
DIAMETER  PER-MITTED WEAR DIM.  MAX ANCE CLEAR-DIAM 
MIN  MAX 
17  FLANGED BUSHING  ID  0.4375  0.4385  0.4420  0.005  3 
BOLT  OD  0.4360  0.4370  0.4320  X  1 
18  FLANGED BUSHING  ID  0.6230  0.6245  0.6280  0.005  3 
BUSHING  OD  0.6220  0.6230  0.6180  X  1 
19  BUSHING  ID  1.2495  1.2510  1.2570  0.008  3 
BUSHING  OD  1.2480  1.2490  1.2415  X  1 

HARD CHROME PLATE WORN SURFACE TO A MAXIMUM THICKNESS OF 0.005 INCH AND GRIND TO DESIGN LIMITS.
REFER TO OVERHAUL MANUAL 20-42-03, HARD CHROME PLATING.
REPLACE WHEN RADIAL CLEARANCE BETWEEN RACES IS MORE THAN 0.005 INCH.
REPLACEMENT BUSHING CAN HAVE LARGER OD TO +0.03 INCH.

Outboard Aileron Wear Limits
Figure 601 (Sheet 6)

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747-400 MAINTENANCE MANUAL
 AILERON CONTROL WHEEL - REMOVAL/INSTALLATION
____________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first is the removal of the aileron control wheel from the control column. The second is the installation of the aileron control wheel on the control column.
 B.  The procedure does not include instructions for the replacement of the wire bundle in the control column. The control wheel replacement has the stabilizer trim switch, with the terminal block in its position, and a cover on the inboard horn.
 TASK 27-11-03-004-003
 2.  Aileron Control Wheel Removal_____________________________
 A.  Standard Tools and Equipment
 (1)  
Insulation Tester (100 megohms minimum) - Biddle Major Megger Tester, James G. Biddle Co., Plymouth Meeting, Pennsylvania 19462

 B.  
Special Tools and Equipment

 (1)  
G12001-50 Rig Pin Kit

 (2)  
4MIT65B80307-1 Protractor (Recommended).

 (3)  
F52485-500 Protractor (Alternative)

 (4)  
3MIT65B80307-1 Control Wheel Adapter

 (5)  
M15570-20 Wire Extraction Tool, The Deutsch Co., 7001 West Imperial Highway, Los Angeles, California 90045

 C.  
References

 (1)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (2)  
AIPC 27-31-14, Fig. 1

 D.  
Access

 (1)  
Location Zones
 221 Control Cabin Floor, LH
 222 Control Cabin Floor, RH

 (2)  
Access Panel 211 Passenger Cabin, LH (Second and third center ceiling panels counting from forward end)
　
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