Install The Wing Dowels; Install The Aileron Servos - GREAT PLANES EXTRA-300SP Instruction Manual

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drops of thin CA glue to each side, of each hinge. At this point
do not fl ex the hinge. Wipe off any excess CA that appears
in the gap and set the wing aside. Repeat steps 1-7 for the
other aileron and wing half. Allow the CA to cure without the
aid of activator. Once the CA has cured move the aileron
back and forth to be sure the hinge is free.

Install the Wing Dowels

1. Locate the four 1/4" x 1" [6 x 25mm] dowels. They are the
four longer dowels included in the hardware pack. Remove
the servo hatches from the underside of each wing and set
them aside. Mark the center of each wing dowel.
2. Test fi t the wing dowels by placing them into the holes
in the wing, up to the mark you have made.
During construction there will be several occasions where
epoxy cleanup will be necessary. Instead of wasting
whole paper towels, stack three or four paper towels on
top of each other and cut them into small squares. This
will conserve paper towels, and the little squares are
easier to use. For epoxy clean up, dampen the squares
with denatured or isopropyl (rubbing) alcohol.

Install the Aileron Servos

1. Locate the servo hatch from the underside of the wing
that was set aside.
2. Trim away the covering from the servo hole as shown. If
using Futaba S9650 servos for the ailerons, you will need to
trim away the side mounts as shown.
❏ ❏
3. Locate the four 3/4" x 1/2" x 5/16" [19 x 13 x 8mm]
blocks of wood. These will be used to hold the aileron servos
to the servo hatch. Hold the wood blocks to the servo,
making certain the block overhangs the servo on the side of
the servo that will be mounted to the hatch. Using a marker,
mark the location for the servo screws as shown.
9

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