(f)
Remove the decal backing.
S 804-012
(3)
On strip decals, remove about one foot of backing and put the decal face down on a smooth surface.
F.
Procedure
S 424-014
(1) To apply decal to a regular surface, do these steps:
(a)
Put the decals with areas less than one square foot in position and bond one edge to the surface. Hold the remainder of decal taut and a small distance from the receiving surface with a piece of backing on the adhesive side.
(b)
For decals with an area greater than one square foot, move the carrier into position. Hold the free end taut and a small distance from the receiving surface with a piece of backing on the adhesive.
(c)
Align and bond approximately three inches of strip decals to the receiving surface. 1) Use the applied section as a joint and strip up to three
feet of the backing. If necessary, apply activator to the adhesive. 2) Align the stripping and hold it taut and a small distance away from the receiving surface.
(d)
Start at the joint and rub the decal on the surface with the plastic scraper with short fan-like strokes. Do not let the adhesive touch the receiving surface until the plastic scraper pushes it down.
(e)
Continue to apply strip decals until you apply all of the decal.
(f)
When you apply strip decals around a corner and a splice occurs, overlap decal a minimum of .5 inches and a maximum of
2.0 inches.
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737-300/400/500MAINTENANCE MANUAL
S 424-015
(2) To apply decals to irregular surfaces, do these steps:
(a) To apply decals on a joint between two surfaces which move with respect to each other, do one of these steps: 1) For distances of 0.100 inch and more, cut the decal at the
approximate center of the distance. Wind the decal around the two edges. See Procedure A (Fig. 401).
2) For distances of less than 0.100 inch, cut the decal aligned with the forward or top skin edge. Wind the decal around the aft or bottom skin edge. See Procedure B.
(b) To apply decals across lap joints, do one of these steps: 1) Wind the decal smoothly and continuously around the edge of the lap joint. See procedure C (recommended procedure).
2) You can use this alternative where the decal extends along the lap joint for a long distance. Cut the decal aligned with the overlap edge and touch the remainder of the decal to the overlap edge. See Procedure D.
S 424-020
(3) To apply decals to external emergency exit handles, see Procedure E.
(a)
Before you remove the backing paper, put the decal on the handle and cut 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.
(c)
Use tool ST732 to cut decals, except pressure-sensitive Polyester, around the heads of fasteners on removable panels. Push the decal into the recessed slot.
(d)
Cut and remove an area of film, of pressure-sensitive polyester decals, and approximate size of a nonflush rivet or fastener, with a Scotchcal cutter. Push the decal film firmly in position around the rivet or fastener.
(e)
Let the adhesive cure for 1/2 hour before you seal the edges.
(f)
Make a small hole in the decal film, with a sharp pointed instrument, at each rivet on decals applied over pressurized areas.
S 804-016
(4) To remove carrier, or premask and masking tape, pull back parallel to the decal surface. If you will paint the adjacent area, leave the premask in position.
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