Hangar 9 Alpha.60 ARF Assembly Manual page 28

There is a notch in the keeper that runs
parallel to the main pushrod wire. This allows
you to snap the keeper onto the pushrod wire.
It may take small pliers to get the keeper to
snap onto the wire.
Step 8
Install the screw to secure the servo arm
on the servo.
28
Section 10: Control Linkage Installation
Step 9
With the radio on, attach the clevis to the outside
hole on the elevator control horn.
Step 10
With the radio on, use a straight edge to make sure
the elevator is in line with the stabilizer. If not,
thread the clevis in or out on the pushrod wire until
the elevator and stabilizer are in alignment.