E-flite J-3 Cub 25 ARF - Manual (Page 40)

 13. Bend the wire at the mark. Drill a 5/64"
(2mm) hole in the servo arm and secure
the pushrod wire using a pushrod wire
keeper. Trim the rudder servo arm as shown
so it will not interfere with the operation of the
elevator servo.
Note:.Trim.the.rudder.servo.arm.as.shown.in.
the.photo.
  14. Prepare three CA hinges using T-pins. Use
the hinges to temporarily attach an elevator
half to the stabilizer, using
NO GLUE.
Prepare another pushrod, clevis, clevis
retainer and control horn as was done for
the rudder. With the elevator at neutral,
mark the location for the control horn.
40