Patch Repair More Than 8 Inches - Cub Crafters CC18-180 Maintenance Manual


Spray or brush the second coat of Poly-Spray and make sure it is dry before
sanding.
(k) For the second application;

Smooth any edges, which may be sticking up, using a small hot iron.

Smooth tape and doubler edges using dry 320 grit sandpaper to remove
surface dust bumps.

Blow and tack off the covering to be sure it is as dust free as possible.

Spray or brush the third coat of Poly-Spray and let dry for approximately 15
minutes.

Spray or brush the fourth coat of Poly-Spray and let dry completely before
sanding.
(l) Paint to match original paint.

(3) PATCH REPAIR MORE THAN 8 INCHES

(a) For large fabric repairs such as a wing tip, start at the last good rib, or at a
convenient location close to the damaged area, removing the old finish tapes.
(b) Cut the rib laces.
(c) Clean off all the coatings with MEK down to the fabric so that there is at least a 2
inch overlap over the rib.
(d) Glue a whole new piece of fabric to cover the wingtip with a 2 inch overlap over
the rib area.
(e) Heat shrink.
(f) Apply the first application of Poly-Brush as described previously.
(g) Secure the fabric to the rib, in the same manner it was previously, by rib stitching
or with broad-head pop rivets. For rib stitching see the instructions at the end of
the Section.
(h) Apply tapes as described previously.
(i) Apply the second application of Poly-Brush as described previously.
(j) Then apply Poly-Spray as described previously.
(k) Paint to match original paint.
Manual number TC100000AMM
Date: 05/20/08
CUB CRAFTERS, INC.
CC18-180 MAINTENANCE MANUAL
51-00
Page: 5