E-flite Cap 232 BP ARF - Manual (Page 28)

  6. Drill the locations for the horn posts using
a 5/64" (2mm) drill bit.
  7. Slide the control horn into the holes
from the bottom of the aileron. Apply a
few drops of thin CA to the posts from the
top of the aileron. Slide the control horn
backplate into position, making sure the
horn is solidly secured. Apply a couple drops
of thin CA where the posts protrude through
the backplate.
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