Hangar 9 Twist 60 ARF Assembly Manual page 12

Section 2: Landing Gear and Tail Installation

.Step 5
Secure.the.tail.wheel.into.position.using.the.5/64".wheel.
collar.and.the.4-40.setscrew..Use.threadlock.on.the.
setscrew.to.prevent.it.from.vibrating.loose.
 
. .Step 6
Attach.an.18".(458mm).servo.extension.to.the.rudder.
servo..Center.the.servo.using.the.radio.and.install.a.long.
servo.arm.onto.the.servo..Use.the.photo.to.determine.
which.arm.to.trim.off,.as.it.will.hit.the.elevator.if.left.in.
place..Mount.the.rudder.servo.into.the.fuselage.using.the.
same.procedure.as.the.aileron.servo.
12
 
. .Step 7
Install.the.pre-assembled.4
With.the.radio.on,.adjust.the.length.of.the.linkage.so.the.
rudder.is.centered.

.Step 8
Repeat.Steps.6.and.7.to.install.the.elevator.servo..
and.linkage.
3
/ ".(120mm).rudder.linkage..
.
4