(b)
For gaps of less than 0.100 inch, cut the decal aligned with the forward or upper skin edge. Wind decal around the aft or lower skin edge (Procedure B).
S 434-018
(2) Use one of these steps to install decals across lap joints:
(a) Wind the decal smoothly and continuously around the edge of the lap joint (Procedure C [recommended procedure]).
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(b) You can use an alternative procedure where the decal extends along the lap joint for a long distance. Cut the decal aligned with the overlap edge and touch the remaining decal to the overlap edge (Procedure D).
S 434-019
(3) Use these steps to install decals on external emergency exit handles (Procedure E):
(a)
Before you remove the backing paper, put the decal on the handle and slit the decal overlap around each rounded corner.
(b)
Remove the backing paper and apply the decal. Push the overlap around the edges of the handle.
S 424-020
(4) Use tool ST732 to cut decals, except pressure-sensitive polyester decals, around the heads of the fasteners on the panels that you can remove.
(a) Push the decal into the recessed slot.
S 434-021
(5) Use these steps for pressure-sensitive polyester decals:
(a)
Use a Scotchcal cutter to cut and remove an area of film the approximate size of a rivet or fastener that is not aligned.
(b)
Push the decal film firmly in position around the rivet or fastener.
(c)
Let the adhesive dry for 1/2 hour before you seal the edges.
S 424-022
(6)
Make a hole in the decal film, with a sharp pointed instrument, at each rivet on decals applied over pressurized areas.
S 024-023
(7)
To remove the carrier, or the premask and masking tape, pull it back parallel to the decal surface.
NOTE: If you will paint in the adjacent area, let the premask stay
____
in position.
G. Decal Edge Sealing
S 394-024
(1) Seal the edges of the decals:
(a) If you applied paint up to the edges of the decals, seal the edges of the decal completely with paint.
NOTE: If the decal edges are not sealed with paint,
____ then apply edge sealer to decal.
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(b) Use a brush to apply BAC 5710, Type 41 or Desothane Edge Seal
to a dry film thickness of 0.0010 to 0.0020 inch on the edges
of these decals:
NOTE: To make sure there is sufficiant edge seal____
thickness, two applications of edge sealer will be
necessary.
(c) Extend the edge seal to a minimum of 0.2 inches around the
marker and 0.2 inches on the marker.
(d) Dry the edge sealer for a minimum of 30 minutes.
(e) For pressure-sensitive polyester decals, let the adhesive dry
for a minimum of 30 minutes then seal the edges.
1) Use a brush to apply the applicable color of BMS 10-11,
Type II enamel on all exposed rivet or fastener heads on
pressure-sensitive polyester decals. Make a dry film
thickness of 0.0015 to 0.0020 inches. Make a 0.25 inch
minimum overlap on the edge of the decal.
(f) It is permitted to seal the edges of external decals that are
open to erosion, disbonding, or skydrol with BMS 5-95, Type I,
Class F sealer.
1) Coat decal entire surface with BAC 5710, Type 41 seal
coating to a dry thickness of 0.0015 to 0.0020 inches.
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