Flap Control Horn Installation; Aileron Control Horn - Horizon Hobby HANGAR 9 Aermacchi MB-339 Bedienungsanleitung

FLAP CONTROL HORN INSTALLATION

1. Remove the flap and flap hinges from the wing panel.
Î The hinges are not glued to the wing or flap.
2. Use a hobby knife and covering iron to seal the covering
against the flap in the location for the flap control horn.
3.
Position the flap control horn on the flat area of the flap. Slide
the flap control horn on the flap area toward the bottom of the
flap and toard the wing tip. Mark the location of the flap horn
mounting screws using a felt-tipped pen.
4. Place the horn aside. Use a 1/16-inch (1.5mm) drill bit to drill
the two holes for the flap control horn mounting screws.
5. Use a #1 Phillips screwdriver to thread an M2 x 14 self-
tapping screw into each hole. Remove the screws before
proceeding.
Aermacchi MB-339
6.
Place 2–3 drops of thin CA in each hole. Allow the CA to fully
cure before proceeding.
7. Secure the flap control horn to the flap using two M2 x 14
self-tapping screws and a #1 Phillips screwdriver. Note the
angle of the flap control horn in relationship to the flap as it is
biased toward the top of the flap.

AILERON CONTROL HORN

8. Remove the aileron and aileron hinges from the wing.
Î The hinges are not glued to the wing or aileron.
9.
Lightly rub a finger over the bottom of the aileron to locate
the mounting slots for the aileron control horn. Use a hobby
knife and #11 blade to remove the covering for the aileron
control horns.
10. Lightly sand the area of the aileron control horns where they
fit into the aileron. (The aileron control horns are the longest
horns included in the kit.)
5 EN