Model Tech SE5a SCOUT Instructions For Final Assembly page 24

Using a modeling knife, cut away and remove the covering material from over the elevator pushrod exit hole in the left side
of the fuselage. The hole is located 3-3/4" in front of the rudder hinge line and 7/8" below the bottom of the horizontal
stabilizer.
Connect your radio system and plug the elevator servo (on the left side of the fuselage) into the receiver. Double-check
that the elevator trim lever on your transmitter is centered.
PRO TIP
Before installing the control horn in the next procedure, drip several drops of thin C/A into the pilot holes
and allow the C/A to fully cure. The C/A will harden the surrounding balsa, making the mounting area stronger.
Install the control horn and backplate using two M2 x 10mm machine screws, being careful not to overtighten them.
Use a couple of pieces of masking tape, taped between the elevator and the stabilizer, to hold the elevator centered.
Remove the masking tape from the elevator and double-check that the servo wheel and the elevator are still
centered. If the elevator is not centered, adjust the clevis until it is. Move the elevator up and down several times to ensure
that the pushrod assembly does not bind. It should operate smoothly.
Carefully slide the threaded end of the pushrod assembly
into the preinstalled pushrod housing on the left side of the
fuselage. Do this from inside the fuselage.
Install the servo wheel onto your elevator servo, making
sure that it's centered. The pushrod wire should be toward the
fuselage side, as shown.
Install the servo horn retaining screw to secure the servo
wheel to the servo.
Position one nylon control horn onto the bottom of the
elevator. When aligned properly, the centerline of the control
horn should be 15/16" out from the side of the fuselage (at the
hinge line) and the clevis attachment holes should be lined up
over the hinge line. The base of the control horn should be
angled slightly toward the fuselage side, too, so that it lines up
better with the pushrod assembly.
When satisfied with the alignment, mark and drill 5/64"
diameter pilot holes through the elevator for the control horn
mounting screws.
Thread one nylon clevis onto the pushrod wire and snap
the clevis into the outermost hole in the control horn.
Hold the pushrod assembly with a pair of pliers to prevent
it from turning while installing the clevis.
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