(b)
Install rigging pin SB-1 in speed brake forward drum. (See figure 502.)
506
Feb 15/73 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 27-62-0 Page 504A
G39056
500 Speed Brake Forward Drum and Linkage Adjustment
Feb 15/73 Figure 502 27-62-0
Page 505
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
(c)
Check that rigging pin SB-2 fits freely through speed brake input quadrant. (See figure 503.)
(d)
With rigging pins installed per steps (b) and (c), check that tension in cables SBA and SBB is within 15 pounds of required value for ambient temperature. See temperature-tension chart in figure 501 for required cable tension. Tension in cables SBA and SBB should be balanced.
(e)
If a new SBA or SBB cable is installed:
1) Tension cables to twice value required for ambient temperature. See
temperature-tension chart in figure/501.
NOTE: Turnbuckles are located in lower nose compartment.
2) Remove rigging pins SB-1 and SB-2.
3) Cycle speed brake control lever 20 times to maximum travel limits.
4) Reinstall rigging pins SB-1 and SB-2.
(f)
If checks in steps (c) and (d) are not met or if step (e) was accomplished, use turnbuckles to adjust cable tension within (+10/-0) pounds of required values in temperature tension chart in figure 501.
(g)
Install turnbuckle-locking clips.
(h)
Check that pressure seals in left wheel well ceiling align properly with cables SBA and SBB. If not, loosen seal retaining bolts and position seal properly. Tighten bolts.
(i)
Remove rigging pins SB-1 and SB-2.
500
27-62-0 Page 506 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. May 15/72
G39058 G39069
500 Spoiler Mixer and Ratio Change Linkage
Feb 15/73 Figure 503 (Sheet 1) 27-62-0
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BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
Spoiler Mixer and Ratio Changer Linkage 500
27-62-0 Figure 503 (Sheet 2) Feb 15/73
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BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
(3) Adjust Ground Spoiler Control Valve
(a)
With speed brake control lever in DOWN position, install rigging-pin SB-1 in forward drum quadrant.
(b)
Using rigging tool, check that ground spoiler control valve lever is positioned so that dimension A is 0.70 (+ 0.01) inch. (See figure 504.) If lever does not meet check, adjust as follows: 1) Remove rod end bolt attaching control rod to input lever. 2) Using rigging tool, block input lever so that dimension A is 0.70 (+ 0.01) inch. 3) Loosen checknut and adjust rod end until rod end bolt fits freely. Lubricate rod
end threads with grease. 4) Install rod end bolt and secure with washer, nut and cotter pin. 5) Tighten checknut and check for proper rod end thread engagement. Rod end
threads shall be visible in inspection hole. 6) Remove rigging tool from control valve lever. Remove rigging pin SB-1.
(4) Adjust Ground Spoiler Interlock Valve
(a)
Place airplane on jacks so right main gear oleo is fully extended. Refer to Chapter 7, Jacking. Install rigging pin SB-3 in ground spoiler interlock valve. (See figure 505.)
(b)
If rigging pin SB-3 cannot be installed, proceed as follows: 1) Loosen protective boot and move until lower rod end of interlock valve control
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