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S-7S FORWARD PUSH-PULL TUBE ASSEMBLY
1.
Assemble AFT 1" Push-Pull Tube by pressing End Fitting into aft end,
transfer drill #30 and rivet.
2.
Drill pre-located thru-hole in forward end of AFT Push-Pull Tube to #11
and deburr.
3.
Install Rod End, with jam nut, into End Fitting. CAUTION: Rod End must
be engaged at least 10 full turns.
4.
Make 2 Bell Crank Assemblies per FIGURE 02A-04.
5.
Fabricate 5/8" long Spacer Bushing from provided raw stock.
6.
Bolt Bell Crank Assemblies, with Spacer Bushing, between welded
Bushings aft of Station 4. Be sure to include the washers on outboard side
of each Bell Crank Assembly. Check for free movement.
7.
Proceed with 1-1/2" AFT Push-Pull Tube and Elevator Yoke Assembly.
INSTALLATION
(AFTER PAINTING OF FUSELAGE)
8.
Temporarily bolt Rod End of AFT Push-Pull Tube between lower holes in
Bell Crank Assemblies. Tighten bolt after final adjustment in RIGGING.
9.
Bolt forward end of AFT Push-Pull Tube to Swivel Assembly on AFT end
of Torque Tube Push-Pull Tube. IMPORTANT: The angle cut of the AFT
Push-Pull Tube should be orientated FORWARD and UP.
10.
CAUTION: Bolt through forward U-Bracket (attaching to Torque Tube
Push-Pull Tube) must be in a vertical position when installing and after
rigging.
02A-01
09/01/2014
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