Re‐fit the elevator servo and secure it in with servo screws.
Centre the servo using your TX, and fit a servo arm. Use either an aftermarket arm or attach the arms that were supplied to a servo head. Screw ball
joints onto the pushrod (use pliers to hold pushrod) and bolt in place with supplied bolts. Centre of servo should align with elevator flat to the stab.
If you are using dual elevator servos then repeat the process on the other side.
Rudder
Assemble the rudder horns
Glue the rudder hinges into both the rudder and fin using epoxy glue. Remember to use vaseline on the hinge joint. While drying use tape to keep it
in alignment.
Drill the rudder screws to fit the rudder hron on the rudder . Do this to both sides.