Great Planes Yak-55 EP 3D ARF - GPMA1190 - Manual (Page 9)

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2. Place the original servo arm over the screw, and glue
the top of the arm to the extender with thin CA. Some servo
arms have small flanges projecting from the top. If your
servo arms have these flanges, sand them off before gluing.
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3. Glue a servo into the top of the rear servo cutout from
the left side of the plane. The output shaft should be toward
the rear. Center the servo with your radio and screw the
extended arm onto the output shaft with the arm oriented
straight down.
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4. Glue the other tail servo into the cutout from the right side
of the plane side with the output shaft toward the rear. Center
the servo with your radio and screw the extended arm onto the
output shaft with the arm oriented straight down.
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5. Center your aileron servo with your radio and screw
the extended double-sided arm onto the servo. Glue the
aileron servo into the cut out in the fuselage.
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1. Install the Z-bend end of the elevator pushrod into the
elevator servo arm.
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2. Connect the other end of the elevator pushrod to the outer
hole on the elevator control horn using a micro FasLink.
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3. Cut a slot in the rudder in the location shown. This slot
cuts through part of the rudder hinge for strength.
Install the Control Horns & Pushrods
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