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时间:2011-04-10 10:19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

 (10)
 Release the pressure in hydraulic system No. 4 (Ref 29-11-00/201).


 S 864-020
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 27-51-30
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 OUTBOARD FOREFLAP CARRIAGE AND TOGGLE - INSPECTION/CHECK
________________________________________________________
 1.  General_______
 A.  This procedure contains one task: an inspection of an outboard foreflap carriage and toggle. To do this check you measure the inner or the outer diameters of the rollers and the bolts which attach the foreflap carriage and toggle.
 B.  You usually do this procedure before you install a carriage and toggle assembly. You must remove the foreflap carriage and toggle to do this procedure.
 TASK 27-51-30-206-001
 2.  Outboard Foreflap Carriage and Toggle Inspection________________________________________________
 A.  Standard Tools and Equipment
 (1)  
Micrometer - 0 to 1 inch

 (2)  
Vernier Caliper

 B.  
References

 (1)  
27-51-30/401, Outboard Foreflap Carriage and Toggle

 C.  
Access

 (1)  
Location Zone
 586 Outboard Flap Foreflap, LH
 686 Outboard Flap Foreflap, RH


 D.  
Procedure


 S 026-002
 (1)
Remove the foreflap carriage and toggle (Ref 27-51-30/401).

 S 226-003

 (2)
Examine the carriage rollers and the bolts for worn areas:

 (a)  
Remove the parts to be examined.

 (b)  
Measure the parts.


 NOTE: Use a micrometer or a vernier caliper.
____
 (c)  Compare the dimensions you measured, with the permitted dimensions shown in Fig. 601.
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747-400 MAINTENANCE MANUAL
 (d)  Replace a roller if it has a flat worn area wider than 0.32 inch (8.1 millimeters).
 NOTE: Measure chord-wise along the roller surface.
____
 (e)  
Replace the parts which are not in the tolerance.

 (f)
Install the parts.
 S 426-004


 (3)  
Install the foreflap carriage and toggle (Ref 27-51-30/401).


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747-400
MAINTENANCE MANUAL

SEE A
FOREFLAP CARRIAGE AND TOGGLE
1
A  2  3 
NO. INDEX  PART NAME  DIM.  MAXMIN DESIGN LIMITS DIAMETER  DIA CLEAR-ANCE MAXPER-MITTED WEAR DIM. WEAR LIMITS  WORN PART REPLACE  PART WORN REPAIR  INSTR. REPAIR 
1  BOLT ROLLER  OD ID  0.3735 0.3743  0.3745 0.3750  0.3695 0.3795  0.005  X X 
2  ROLLER BOLT  OD ID  0.4985 0.4993  0.4995 0.5000  0.4945 0.5045  0.005  X X 
3  BOLT ROLLER  OD ID  0.3740 0.3743  0.3745 0.3750  0.3695 0.3795  0.005  X X 
Outboard Foreflap Carriage and Toggle Wear Limits Figure 601 

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A
747-400 MAINTENANCE MANUAL
 
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