27-11-31
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A
737-300/400/500MAINTENANCE MANUAL
 BALANCE PANEL AND SEALS - INSPECTION/CHECK
__________________________________________
 1.  General_______
 A.  This procedure contains the task to do the inspection of the balance panel and seals.
 B.  The procedure does not include instructions for access, removal, or replacement of the component after inspection of the worn areas. Refer to the Balance Panel and Seals - Removal/Installation for instructions to do these tasks.
 TASK 27-11-31-206-001
 2.  Balance Panel and Seals Inspection/Check________________________________________
 A.  References
 (1)  
27-11-31/401, Balance Panel and Seals

 B.  
Access

 (1)  
Location Zone 306,307 Wing Trailing Edge Aileron and Control Tab

 (2)  
Access Panel
 7103L,7503R Access Panel Removable

 C.  
Procedure

 S 026-003
 (1)  
Do this task: "Balance Panel and Seals Removal" (Ref 27-11-31/401).

 S 226-002

 (2)  
Do a check of the balance panel and seals (Fig. 601):

 (a)  
Remove the parts to be measured.

 (b)  
Measure the dimensions of these parts.

 (c)  
Compare the part dimensions to the limit dimensions.

 (d)  
If the part dimension is out of tolerance, replace the part.

 (e)  
Install all the parts removed to do the inspection.

 S 426-004
 (3)  Do this task: "Balance Panel and Seals Installation" (Ref 27-11-31/401).
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 27-11-31
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

Balance Panels and Seals Wear Limits
Figure 601 (Sheet 1)

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A
737-300/400/500MAINTENANCE MANUAL
BALANCE TAB ADJUST WEIGHTS
SEE

NO. INDEX  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  WORN PART REPLACE  PART WORN REPAIR  INSTR REPAIR 
DIAMETER  PER-MITTED WEAR DIM.  DIA MAX ANCE CLEAR-
MIN  MAX 
1  HINGE HALF  ID  0.0930  0.0980  0.1040  0.0165 1  X
FWD HINGE PIN  OD  0.0890  0.0900  0.0875  X 
2  HINGE HALF  ID 0.1250  0.1270  0.1330  0.01752  X 
AFT HINGE PIN  OD  0.1170  0.1180  0.1155  X 

REPLACE WHEN THE TOTAL PLAY IN THE JOINT IS MORE THAN 0.0330 INCH REPLACE WHEN THE TOTAL PLAY IN THE JOINT IS MORE THAN 0.0350 INCH
Balance Panels and Seals Wear Limits Figure 601 (Sheet 2)
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 1.

2.

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ú ú
A
737-300/400/500MAINTENANCE MANUAL
 AILERON TAB CONTROL RODS - REMOVAL/INSTALLATION
_______________________________________________
General
_______
 A.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of the control rod of the aileron tab.
 TASK 27-11-34-004-001
Aileron Tab Control Rods Removal (Fig. 401)

________________________________

 A.  Special Tools and Equipment
 (1)  
　
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