![TufFlight Tuf-Yak Manual Download Page 17](http://html1.mh-extra.com/html/tufflight/tuf-yak/tuf-yak_manual_1179443017.webp)
Page 17
Step 135:
Apply a moderate coat of 3M77
to the wing bottom surfaces and let sit
Let the glue rest
until it isn’t “wet”
to the touch-- only
slightly tacky--
about 5 minutes
Step 132:
Gather parts and tools
Step 131:
Re-insert the white plastic spacer
piece the way it was before.
Step 134:
Apply masking tape to exposed
spar areas also
Step 133:
Put a small piece of masking tape
over the aileron and throttle servo splines.
Cover wing halves and make / hinge ailerons
You’ll need : wing assemblies, hinges, old credit cards
3M77, covering iron, masking tape
sandpaper, pliers, ruler, toothpick
Ultracote covering, small scissors
prick punch, marker, 1/8” drill
single edge razor blade and/or knife
This tape will
protect against
unwanted 3M77
spray glue in these
areas.
Step 139:
Poke the servo spline through the
covering as shown
Step 138:
Use a sanding block to locate and
free servo splines (gently sand spline “corners”)
Step 137:
Apply a piece of Ultracote to the
wing and gently stretch it to minimize wrinkles
Step 136:
Remove masking tape from
servos
Cut covering to have
about 2” extra all
around
Covering will stick to
glued area and when a
covering iron is
applied
Step 140:
Step omitted