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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
NO. INDEX PART NAME DIM. DESIGN LIMITS WEAR LIMITS PARTWORN REPLACE PART WORN REPAIR INSTR REPAIR
DIAMETER PER-MITTED WEAR DIM. ANCE CLEAR-MAX DIA
MIN MAX
1 BUSHING ID 0.3125 0.3140 0.3160 0.0040 X
BOLT OD 0.3110 0.3120 0.3095 X X 3
2 CONTROL ROD BEARING ID --- --- --- 2 X
BOLT OD --- --- --- X
3 QUADRANT ID 0.3120 0.3130 0.3136 0.0030 X
BOLT OD 0.3110 0.3120 0.3106 X
4 BUSHING ID 0.5000 0.5015 0.5055 0.0060 X
BUSHING OD 0.4985 0.4995 0.4940 X
5 BUSHING ID 0.3750 0.3760 0.3760 0.0029 X
BOLT OD 0.3755 0.3745 0.3731 X
6 BEARING ID 0.3745 0.3750 0.3750 1 0.0019 X
BOLT OD 0.3735 0.3745 0.3731 X
7 BUSHING ID 0.3750 0.3765 0.3805 0.0060 X
BOLT OD 0.3735 0.3745 0.3690 X
8 BUSHING ID 0.3125 0.3140 0.3180 0.0060 X
BOLT OD 0.3110 0.3120 0.3065 X
REPLACE THE BEARING WHEN RADIAL PLAY IS MORE THAN 0.0020 INCH REPLACE THE AILERON CONTROL ROD WHEN THE BEARING RADIAL PLAY IS MORE THAN 0.0020 INCH THE CHROME PLATE THICKNESS IS 0.0030 INCH
Aileron Wing Quadrant Wear Limits
Figure 601 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
BALANCE PANEL AND SEALS - REMOVAL/INSTALLATION
______________________________________________
1. General_______
A. This procedure contains two tasks. There is one task for the removal and one task for the installation of the balance panel and seals.
B. The removal and installation of the balance panel does not change the static balance of the aileron. The static balance of the aileron changes when the tab adjust weights are attached to the balance panel. Thus, when you replace the balance panel, you must install the same number of tab adjust weights on the replacement panel.
C. You can replace the seals with the balance panel installed.
TASK 27-11-31-024-001
2. Balance Panel and Seals Removal (Fig. 401)_______________________________
A. Access
(1)
Location Zone 306 Wing Trailing Edge Aileron and Control Tab, LH 406 Wing Trailing Edge Aileron and Control Tab, RH
(2)
Access Panels
7103 Access Panel Removable, LH
7503 Access Panel Removable, RH
B.
Procedure
S 014-013
(1)
Remove the access panel on the lower wing surface at the balance panel.
S 024-014
(2)
Remove the balance panel and seal:
(a)
Remove the retaining bolt of the forward hinge pin.
(b)
Remove the hinge pins.
(c)
Remove the bolts and seals at the inboard and outboard ends of the balance panel.
(d)
Remove the balance panel assembly from the wing structure.
(e)
Remove the bolts and seal retainers.
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