Hangar 9 1/4-Scale J-3 Cub ARF - Manual (Page 23)

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 .  .Step 12
Thread.a.rigging.coupler.into.one.of.the.4-40.ball.ends..
Slide.a.crimp.onto.the.cable,.then.pass.the.cable.through.
the.rigging.coupler..The.cable.then.goes.back.through.
the.crimp..Use.a.crimping.tool.or.vice.grips.to.secure.the.
crimp.to.the.cable.
 .  .Step 13
Repeat.Steps.11.and.12.to.prepare.the.other.end.of..
the.cable.
 .Step 14
Attach.the.ball.ends.to.the.servo.horn.using.the.hardware.
included.with.the.ball.ends.
 .Step 15
Install.the.rudder.servo.into.the.fuselage.and.attach.the.
servo.horn.to.the.servo.using.the.hardware.provided.
with.the.servo..The.output.of.the.servo.faces.the.front.of.
the.fuselage..Note.that.the.cables.cross.once.inside.the.
fuselage:.The.cable.from.the.right.side.of.the.servo.exits.
the.left.of.the.fuselage.and.vice.versa.
 .Step 16
Place.light.tension.on.the.cable.and.align.it.so.it.is.
centered.in.the.exit.opening..The.rudder.control.horn.
centerline.should.be.7/8-inch.(22mm).from.the.bottom.of.
the.rudder..Mark.the.rudder.where.the.cable.crosses.with.a.
felt-tipped.pen.
Radio Installation