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时间:2011-04-12 10:07来源:蓝天飞行翻译 作者:航空
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Location Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH


 D.  
Procedure


 S 026-002
 (1)
Do this task: " Wing Landing Gear Removal" (Ref 32-11-01/401).

 S 216-000

 (2)  
Do an external inspection of the components on the wing landing gear.

 (a)  
Examine the shock strut, side strut, drag brace, and wheel truck for corrosion and damage.

 (b)  
Examine all of the pin connections on the wing landing gear for corrosion and damage.


 S 226-003
 (3)  
Examine the fits of the aft trunnion bearing, the bearing race, the sleeve, and the trunnion journal.

 (a)  
Measure the parts at the locations shown in figure 601.

 (b)  
Compare the measured dimensions to the wear limits in figure

 601.

 (c)  
If a part is not in tolerance, replace the part if you cannot repair it.


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 32-11-01
 ALL  ú ú 01 Page 601 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 426-004
 (4)  Do this task: "Wing Landing Gear Installation" (Ref 32-11-01/401).
 TASK 32-11-01-216-006
 3.  Wing Landing Gear External Inspection (Fig. 601)_____________________________________
 NOTE: This is a scheduled maintenance task.
____
 A. Access
 (1)  
Loaction Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH


 B.
Procedure


 S 206-007
 (1)  
Do an external inspection of the components on the wing landing gear.

 (a)  
Examine the shock strut, side strut, drag brace, and wheel truck for corrosion and damage.

 (b)  
Examine all of the pin connections on the wing landing gear for corrosion and damage.


 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-01
 ALL  ú ú 01 Page 602 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

WALKING BEAM 
A  A 
BEARING AFT TRUNNION 
ACTUATOR RETRACT  JURY STRUT  UPPER SIDE STRUT 
BRACE DRAG 
FWD 
STRUT SHOCK  LOWER SIDE STRUT 

WHEEL TRUCK
TORSION LINKS
Wear Limits for the Wing Landing Gear Figure 601 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-01
 ALL  ú ú 01 Page 603 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL


AFT TRUNNION BEARING
A-A
Wear Limits For the Wing Landing Gear
Figure 601 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 32-11-01
 ALL  ú ú 01 Page 604 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

NO. INDEX  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  WORN PART REPLACE  PART WORN REPAIR  INSTR REPAIR 
DIAMETER  PER-MITTED WEAR DIM.5  ANCE CLEAR-MAX DIA 
MIN  MAX 
1  BUSHING 3  ID  0.7580  0.7600  0.7620  0.0132  X 
BOLT  OD  0.7485  0.7490  0.747  X  1 
2  SLEEVE 4  ID  5.507  5.5085  5.5132  0.0092  X  1 
CYLINDER 3  OD  5.504  5.506  5.4993  X  1 
 
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本文链接地址:747-400 AMM 飞机维护手册 起落架 LANDING GEAR 1(86)