TM 55-1945-205-24-20283 00 20283 00a.Cut out the damaged area with a power jig using a fine tooth, metal blade.b.Using a grinder or disc sander, grind and sand the cutout edges to a minimum 20º included angle.c.Bevel edges back from the edge a distance equal to 12 times the laminate thickness.WARNING2.Prepare repair patch for application.NOTEThe thickness of the repair patch and components to be used depends of the portion of the hull being repaired.The following steps are typical for the application of a fiberglass patch.Table 1. Lay-Out Details.AREANOTESLAY-OUTHULL1Gelcoat1 oz. Mat1 UnitCoremat1 Unit1. BEFORECOMPLETE FRACTUREHOLETAPE2. DAMAGED MATERIAL CUT AWAY3. AFTER PREPARATIONEDGES CUT4. REPAIR COMPLETESEPARATING FILMTAPESEPARATING FILMREPLACEMENT GLASSEDGES BEVELLED (12 TIMESLAMINATE THICKNESS)BACKING PLATE(IF POSSIBLE)BACKING PLATE(IF POSSIBLE)SMALL CUT ALONGLENGTH OF FRACTURE
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