REPAIR INSTRUCTIONS USING FIBER GLASS MATERIAL6.Let filler set up until it is rubbery but not fullyhardened. Then re-establish original contour by filing offexcess.NOTE-When filing excess, leave the fillerlevel slightly higher than that of the originalsurface (Figure 13).Figure 13. - Establishing Surface Contour7.Pre-shrink filler, using a heat gun or heat lamp(Figure 14). A minimum temperature of 49°C(120°F) is required for shrinkage.WARNING-KEEP HEAT SOURCE AT LEAST12 INCHES AWAY FROM REPAIR AREA.Figure 14. - Shrinking Body Filler8.Now power-sand the filler with 360 gritsandpaper until it is smooth and even with theoriginal surfaceFigure 15. - Sanding Surface9.If the filler is slightly porous (has fine pinholes),apply a thin coat of glazing putty (Figure 16).NOTE-If the filler is pockmarked, do not useglazing putty. Instead, apply another layer ofbody filler, following steps 4 through 8before continuing.Figure 16. - Applying Glazing Putty10.Clean the area with air, and remask if necessary.Then spot prime the surface and wet sand with 400 to600 grit sandpaper. Complete the repair by painting thesurface (Figure 17).Figure 17. - Painting the SurfaceCTS-4049Page 7
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