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Instruction Manual
4. Test fit the ailerons to the wing with the hinges.
If the hinges don't remain centered, stick a pin
through the middle of the hinge to hold it in
position.
5. Remove any pins you may have inserted into
the hinges. Adjust the aileron so there is a
small gap between the LE of the aileron and
the wing. The gap should be small, just enough
to see light through or to slip a piece of paper
through.
6. Apply six drops of thin CA to the top and bottom
of each hinge. Do not use CA accelerator. After
the CA has fully hardened, test the hinges by
pulling on the aileron.
INSTALL THE AILERONS SERVOS & PUSHRODS
1. Install the servo in the wing require the use of
one 305mm servo extension for each aileron
servo. One Y-harness connector is required
and is used to allow the aileron servo to plug
into one slot in your receiver. You may have a
computer radio that allows you to plug the
servos into separate slots and then mix them
together through the radio transmitter. If you
choose to mix them with the radio rather than
the Y-harness, refer to the instructions with
your particular brand of radio.
2. Attach the servo extension to the aileron servo.
Secure the connectors together using a large
piece of heat shrink tubing, tape or other
method for securing the connectors together.
3. Turn the wing panel right side up. Using a
modeling knife, remove the covering from over
the precut servo box.
TEMPORARY PIN
TO KEEP HINGE
CENTERED
CA glue
2
WING TIP
4. Using the string as a guide and pass the string from
the servo opening to the hole in the root of the wing.
Note: A weigh tied to a string can be used first,
then tied to the servo lead to pull it through.
Collar
WING TIP
5. Tie the string from inside the wing to the end of
the servo wire. Pull the servo wire through the
wing with the string. Tape the servo wire to the
wing to prevent it from falling back into the wing.
3
Katana 120
Remove the
covering
3
4
5
Masking tape
6
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