TM 55-1945-205-24-20282 00 40282 00i.Using putty knife, work the resin into the patch until it becomes clear and without white patches, which indicates areas that are not saturated sufficiently with resin.j.Repeat steps i and j until all cutout pieces of fiberglass cloth have been applied and saturated with resin and the repair patch takes on a cone shape.WARNING3.Install repair patch on damaged area.a.Apply a thin layer of mixed resin on prepared area.b.Center film with new patch on it over the repair area, aligning patch as necessary.c.Smooth and work the patch into place using finger pressure and putty knife.d.Holding the patch in place, position a backing plate over film and patch area, securing in place with a block of wood.NOTELower temperatures raise resin cure time up to 24 hours. After 24 hours, the resin should be fully cured.e.If the repair area temperature is maintained above 60°F (13°C) and 3 to 4 hours have elapsed, remove backing plate.f.Test repaired area by gently pressing into it with a sharp object for hardness, indicating proper cure.NOTEIf the surface of the patch is rubbery, the area is not completely cured and requires the area temperature to be raised (not to exceed 80°F or 23°C) to finish curing with the backing plate left off.g.Inspect the cure to ensure the bond between the patch and the repair area for raised or cloudy areas, incorrect alignment, voids or evidence of poorly bonded areas.h.If multiple defects are detected, remove the patch and repeat the patching process.i.If patch is determined to be good, sand the patch using coarse, then medium grade sandpaper on the repair area until smooth being careful not to sand patch edges excessively.j.Paint the sanded area to match the surrounding structure as necessary.END OF WORK PACKAGE
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