(2)
Examine the drag brace components for corrosion and damage.

 S 216-006

 (3)  
Examine the washer/key washer for corrosion and damage.

 (a)
Remove the bearing nut, key washer and washer.

 S 216-005
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 (b)  Clean all parts and exposed surfaces of the bearing race (MM 20-11-14/701).
 NOTE: Do not remove the spherical bearing.
____
 (c)  Remove and replace bearing if you find corrosion (MM 32-11-03/401).
 S 226-003
 (4)  
Examine the fit of the drag strut components.

 (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.

 S 426-004
 (5)  Do this task: " Wing Landing Gear Drag Brace Installation" (Ref 32-11-03/401).
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SEE A
A
A
SEE B
DRAG BRACE
A
DRAG BRACE
1.  BUSHING/
BOLT
(4 LOCATIONS)

4.  BUSHING/BUSHING
TRUNNION
2.  BUSHING/ FORKBOLT (2 LOCATIONS)
3.  BOLT/BUSHING
DRAG BRACE
A-A
Wing Landing Gear Drag Brace Wear Limits Figure 601 (Sheet 1)
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747-400 MAINTENANCE MANUAL
DRAG STRUT
SHOCK STRUT
TORSION LINKS
BB
9. ROLLER/SLEEVE
TRUCK BEAM
6.
BUSHING/BOLT

7.
BUSHING/ BOLT

B
BOLT
8. BEARING/ BOLT
UPLOCK ROLLER
DRAG BRACE
10. BEARING/PIN
5. BUSHING/PIN
SHOCK STRUT PIN
B-B
Wing Landing Gear Drag Brace Wear Limits Figure 601 (Sheet 2)
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INDEX NO.  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  REPLACE PART WORN  REPAIR WORN PART  INSTR REPAIR 
DIAMETER  PER-MITTED WEAR DIM. 8  DIA ANCE CLEAR-MAX 
MIN  MAX 
1  BUSHING  ID  2.6280  2.6290  2.6322  0.0092  X 
BOLT  OD  2.6230  2.6240  2.6198  X  1 
2  BUSHING  ID  2.6250  2.6260  2.6292  0.0062  X 
BOLT  OD  2.6230  2.6240  2.6189  X  1 
3  BOLT  2  6.456  6.462  6.474  0.060  X  3 
BUSHING  4  6.414  6.458  6.402  X 
4  BUSHING  5  3.5630  3.5704  3.5948  0.0488  X  7 
BUSHING  6  3.5460  3.5530  3.5216  X  7 
5  BUSHING  ID  3.2500  3.2520  3.2556  0.0086  X 
PIN  OD  3.2470  3.2480  3.2434  X  1 
　
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