27-11-14
 ALL  ú ú 01 Page 801 ú Nov 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A
ALUMINUM FOIL MARKER
0.067
INCH DIA
0.062
SHEAR LOCKBOLTS SHEAR WITNESS HOLE(3 LOCATIONS)
AILERON POWER CONTROL ASSEMBLY SHAFT
(THE TOP SHAFT IS SHOWN, THE BOTTOM IS ALMOST THE SAME)

A

Aileron Bus Drum Control Shaft
Figure 801

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-11-14
 ALL  ú ú 01 Page 802 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 AILERON BALANCE TAB - REMOVAL/INSTALLATION
__________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of the aileron balance tab.
 B.  The balance tabs are balanced into the aileron system with the tab adjust weights. These weights are attached to the lower surface of the aileron balance panel with bolts. The correct tab weight and number of the tab adjust weights necessary are on the data plate. The data plate is attached to the outboard end of the tab.
 TASK 27-11-21-004-001
 2.  Aileron Balance Tab Removal___________________________
 A.  Access
 (1)  
Location Zone 306 Wing Trailing Edge, Aileron and Control Tab, LH 406 Wing Trailing Edge, Aileron and Control Tab, RH

 B.  
Remove the Aileron Balance Tab

 S 024-002
 (1)  
Remove the balance tab (Fig. 402):

 (a)  
Remove the three screws that attach the forward part of the tab fairing to the tab.

 (b)  
Remove the fairing.

 (c)  
Remove the two nuts, bolts, and washers that attach the tab control rods to the tab mast.

 (d)  
Collect and tag the bolts, nuts, and washers.

 (e)  
Turn the balance tab until you can see the screws that attach the tab hinge covers to the nose cap.

 (f)  
Loosen the screws.

 (g)  
Move the tab hinge covers into the nose caps to get access to the tab hinge bolts.

 (h)  
Disconnect the bonding jumpers that are adjacent to the inboard and outboard hinges.

 (i)  
Remove the nuts from the hinge bolts at four hinge locations.

 (j)  
Hold the balance tab and remove the four hinge bolts.

 (k)  
Carefully remove the balance tab from the hinge assemblies.

 (l)  
Remove the balance tab from the aileron.

 TASK 27-11-21-404-003
 3.  Aileron Balance Tab Installation________________________________
 A.  Special Tools and Equipment
 (1)  
SE27-0001 - Straightedge

 (2)  
F80222-1 - Aileron Tab Alignment Protractor

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 27-11-21
 ALL  ú ú 01 Page 401 ú Nov 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (3)  
Bonding Meter, Microhm Bridge Type 2 Bonding
 Meter - 477W Avtron Meter
 Avtron Manufacturing Inc.
 Cleveland, Ohio

 B.
Consumable Materials

 (1)  
D00633 Grease - BMS 3-33 (Preferred)

 (2)  
D00013 Grease - MIL-G-23827 (Alternate)

 (3)  
A00247 Sealant - BMS 5-95

 (4)  
C00432 Primer - BMS 10-11, Type I

 (5)  
C00259 Enamel - BMS 10-11, Type II

 C.
References

 (1)  
27-11-21/601, Aileron Balance Tab

 (2)  
27-11-00/501, Aileron and Aileron Trim Control System
　
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