Remove the pushrod wire and the control horn from the wing. Cut
the wire about 3 mm past the mark. Sharpen the end of the wire
slightly. It is much easier to do this BEFORE bending the end.
Bend the pushrod end at the mark.
Insert the pushrod into the servo arm. Verify that the servo and
control horn are square to each other, otherwise the servo will be
forced to angle slightly when inside the pocket. Correct the pushrod
if needed.
Insert the aft end of the pushrod through the channel carefully. The 3
mm bend should fit inside the vertically elongated channel. Install
the control horn into the slot again temporarily.