23
.
Step 4
Screw.the.molded.swivel.link.onto.the.8-32.screw.until.
the.distance.from.the.rudder.surface.to.the.top.of.the.link.
is.1
.
1
/
8
".(28mm).
.
Step 5
Remove.the.stock.servo.arms.from.the.rudder.servo..
and.replace.them.with.3D.XL.1/2.servo.arms..The..
arms.need.to.face.down.as.shown..Be.sure.to.use.a..
drop.of.threadlock.on.the.servo.arm.screw.if.using..
metal-geared.servos.
.
Step 6
Use.the.included.4-40.screws.and.nuts.to.attach.the.ball.
link.to.the.outer.hole.in.the.arm..From.the.topside,.the.
correct.sequence.is.4-40.screw,.ball.link,.servo.arm.and.
4-40.locknut..Be.sure.to.use.threadlock.
.
Step 7
Screw.a.4-40.ball.link.5.to.6.turns.onto.the.8".rudder.
linkage..Screw.the.opposite.end.of.the.linkage.into.the.
swivel.control.horn.on.the.rudder..Adjust.the.linkage.
length.until.the.hole.in.the.ball.link.lines.up.with.the.outer.
hole.in.the.servo.arm.when.the.rudder.is.neutral.and.the.
servo.arm.is.centered.
Section 6B – Rudder Servo Installation: Direct Linkage