Top Flite TOPA0708 - Manual (Page 13)

13
Use the toothpick to apply epoxy to the ends of the
rudder hinges that go into the fi n. Insert each hinge into
the fi n and wipe away any excess epoxy that squeezes
out of the hole.
Apply epoxy to the other end of the hinges. Join the
rudder to the fi n, pushing the hinges only about ¾ of
the way into the rudder. Use a toothpick to wipe away
any epoxy that squeezes out. Then, fi t the rudder the
rest of the way on.
Move the rudder left and right a few times to align the
hinges and make certain that the rudder defl ects left
and right enough. Allow the epoxy to cure, checking it
a couple of times while it cures.
Once the epoxy has cured, fi rmly pull on the rudder to
check that the hinges are securely glued.
INSTALL THE ELEVATOR & RUDDER SERVOS
❏
1. Insert the three 4-40 x 48" [1220mm] metal
pushrods in the elevator and rudder pushrod outer
pushrod tubes at the aft end of the fuselage. Install
two elevator and one rudder servo in the servo tray as
shown. The elevator pushrods will be attached to the
servo arm in the hole 7/16" [11mm] from the center of
the arm. The rudder pushrod will be attached to the servo
arm in the hole 5/8" [16mm] from the center of the arm.
❏
2. Thread a 4-40 nut, threaded clevis and a silicone
clevis retainer 12 turns onto both elevator pushrods
and the rudder pushrod.
❏
3. Mount the control horns to the elevators and the
rudder the same way they were mounted on the ailerons,
by drilling 3/32" [2.4mm] pilot holes and using #4 x ½"
[13mm] sheet metal screws. Don’t forget to harden the
holes with thin CA after fi rst installing, then removing
the screws.
❏
4. Connect the receiver battery, rudder and elevator
servos to the receiver. Switch on the transmitter and
center the servos.
❏
5. Install solder clevises on the elevator servo arms
in the hole 7/16" [11mm] from the center of the servo
arm. Install a solder clevis on the rudder servo arm in
the hole 5/8" [16mm] from the center of the servo arm.
Following the same procedure that was done for the
aileron pushrods, mark the elevator and rudder pushrods
where they are to be cut for the solder clevises. One at a
time, remove the threaded metal clevis from the control
horn end, remove the pushrod from the fuselage, cut
it to the correct length and solder a metal solder clevis
on the end. Reinstall the pushrod from the front and
connect the solder clevis to the servo arms. Reinstall
and connect the threaded metal clevis and 4-40 nut to
the control horn. Don’t forget to use a silicone clevis
retainer on all the clevises.
MOUNT THE FIXED TAIL GEAR
❏
1. Slide a 3.5mm wheel collar on the tail gear wire.
Apply a drop of threadlocker to the threads of a 2.5 x
4mm machine screw. Secure the wheel collar on the
fl at spot with the machine screw.