(4)
Adjust cable tension per temperature-tension table. (See figure 402.)
(5)
Remove rigging pins A/S-8, A/S-9, A/S-10, A/S-11, A/S-14, and SB-2.
(6)
Cycle spoiler control cables by rotating aileron control wheels.
(7)
Check that cable tension is within values in temperature-tension table.
(8)
Check rigging by inserting rigging pins A/S-8 through A/S-11, A/S-14 and SB-2.
(9)
Remove all rigging pins.
(10)
Install turnbuckle locking clips and lockwire adjacent cable turnbuckles together per figure
402.
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G34872
Flight Spoiler Rigging Pin Locations 500
27-61-31 Figure 405 Nov 15/67
Page 410
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
L. Install ratio changer input rod.
(1)
Insert rigging pin A/S-14 in the spoiler mixer.
(2)
Insert rigging pin A/S-3.
(3)
If a new spoiler ratio changer is being installed, attach rod end to input rod. Turn rod end until attaching bolt can be inserted.
(4)
Ensure that rod end threads are visible in inspection hole of input rod.
(5)
Tighten rod end locking nuts.
(6)
Install attaching bolt with head up.
(7)
Tighten nut and install cotter pin.
(8)
Remove rigging pins A/S-3 and A/S-14.
M. Check adjustment of spoiler mixer output cam.
(1)
Open grease fitting access covers on aft surface of spoiler mixer. (See figure 401.)
(2)
Set speed brake control lever in DOWN detent.
(3)
Rotate captain's control wheel counterclockwise 87 degrees from neutral.
(4)
Check that left cam follower is on maximum rise portion of spoiler mixer cam, viewed through left grease fitting access hole.
(5)
Return captain's control wheel to neutral.
(6)
Rotate captain's control wheel clockwise 87 degrees from neutral.
(7)
Check that right cam follower is on maximum rise portion of spoiler mixer cam viewed through right grease fitting access hole.
(8)
Return captain's control wheel to neutral.
(9)
If checks in steps (4) and (7) are not met use turnbuckles to adjust SBA and SBB cables: (See figure 403.)
(a)
Shorten SBB cable by one-half turn and lengthen SBA cable by one-half turn.
NOTE: The SBB cable is the lower cable on speed brake quadrant on ratio changer. Speed brake quadrant should rotate clockwise when tightening SBB cable when looking forward.
(b)
Check that cable tension is within values in figure 403 and repeat steps (3) through (8).
NOTE: After adjustment, rigging pin SB-2 need not fit in rigging pinhole.
(c)
Install turnbuckle-locking clips.
(10)
Install two grease fitting access covers.
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N. Test spoiler ratio changer. Refer to Spoiler Ratio Changer - Adjustment/Test.
O. Close lower nose compartment access door.
P. Replace left forward, nose wheel access panel.
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SPOILER RATIO CHANGER - ADJUSTMENT/TES
1. Spoiler Ratio Changer Test
A. Equipment and Materials
(1)
Control Surface Protractors - 4MIT65B80307-1 (preferred), F52485-500 (optional) (3 required)
(2)
Control Surface Protractor Stand Assembly - F71292-17 (optional) (2\required)
(3)
Aileron Control Wheel Protractor Mount - F72790
(4)
Rigging Pins Kit - F70207-3, -52, -61, or -84:
REF NO. F70207-( ) DIAMETER (INCHES) LENGTH (INCHES) FUNCTION
A/S-4 -11 0.309-0.311 6.7 +0.25 Aileron bus drum
B. Prepare for Test
(1)
Provide electrical power.
(2)
Provide systems A and B hydraulic power (Ref 27-61-0 MP).
(3)
Install protractor mount and protractor on captain's control wheel.
(4)
Install control surface protractor stands and protractors on spoilers No. 2 and 7.
NOTE: Protractors may be hand-held on spoilers instead of using stands. 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：737 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 3(102)
