Model Tech Dragon Lady Instructions For Final Assembly page 11

Step 3: Mounting the Wing
Using a 13/64" diameter drill bit, enlarge only the two wing mounting holes in the wing, so the wing hold-down bolts will
slide through without binding.
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Using an 5/32" diameter drill bit, drill two holes into the
wing and through the plywood wing hold-down block inside
the fuselage. Locate one hole in each wing panel, 1-3/4" out
from the centerline and 5/8" in front of the trailing edge.
IMPORTANT
Drill the two holes perpendicular to the bottom
surface of the wing.
Remove the wing from the fuselage and set it aside.
Carefully apply several drops of thin C/A into both holes
in the wing hold-down block and allow the C/A to dry completely
before proceeding.
WARNING
Let the C/A dry before proceeding to tap the
holes. If you don't, the C/A will clog the tap badly and ruin
the threads.
After the C/A has fully cured, carefully tap the two holes
using a 5mm tap. Work slowly, being careful not to damage
the new threads you've just cut.
After you're done tapping the threads, apply a couple of
small drops of thin C/A into the holes and let it soak in. Allow
the C/A to completely cure before proceeding.
IMPORTANT
Do not omit this procedure. The C/A will
strengthen the threads and help prevent them from being
stripped out over time.
Set the wing back into the wing saddle and realign it.
Secure the wing into place using two 5mm x 40mm
machine screws and two 5mm flat washers.
Don't overtighten the screws. You don't want to crush
the wing.
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