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• Fill the gun's paint cup with the primer. Use a strainer when pouring the primer into the cup. • Primer should never be applied to a dirty or greasy surface. Before spraying, blow dust and dirt off the (Method of spraying) • Do not try to cover the surface with one heavy coat. Apply several thin coats. NOTE: • Spray coat 4-5 coats to get 20 microns of thick- ness, as one coat deposits 5-7 microns. • Spray the primer at 250-300 kPa (2.5-3.0 kgf/ cm 2 , 35.6-42.7 psi) pressure. Spraying with im- proper air pressure will cause imperfections. • Open the gun 3-4 turns. thinner. 5. Cleaning spray gun • After spraying, be sure to clean the spray gun thoroughly with thinner or solvent. • The gun will be permanently clogged if the primer is allowed to dry. 6. Drying • After spraying the chipping guard primer, air-dry for 7-10 minutes to evaporate the thinner in the (80°C) for 30-40 minutes. NOTE: Insufficient baking may cause pinholes if the • The temperature lamps and drying time recommendations should be followed closely. NOTE: The upper line of time shows specifications for High Primer Surfacer 2C, and the lower line Auto Primer Surfacer Mighty. 7. Intermediate and Top coating • Sand the chipping guard primer film with #280- #400 sandpaper. • Follow the intermediate/top coating procedures (see and ). Main Menu Table of Contents |