Bumper and spoiler, deep scratches and cracks
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Bumper and spoiler, deep scratches and cracks
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1.
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Clean the part. It is essential that no grit or other particles remain in the area to be welded.
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2.
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Wash the repair area with Teroson FL cleaner.
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3.
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Identify the type of plastic. See
or
.
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4.
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Select the correct welding filler and set the temperature of the welding gun so that it agrees with the type of plastic. See
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5.
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If the damage is a crack, the ends must first be drilled so that the crack does not spread. Use a 3.5 mm drill and drill a hole at both ends of the crack.
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6.
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Mill a 90° V-shaped groove in the reverse. Only use a low speed grinder.
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7.
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Select the correct welding temperature on the welding gun, so that it agrees with the type of plastic. See
.
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8.
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Weld the reverse side of the crack.
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9.
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Grind off any paint from around front of the damaged area.
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10.
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Check the working temperature of the gun.
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11.
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Weld the front with welding filler.
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12.
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Allow the welded area to cool.
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13.
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Grind away any excess welding material from the welded area.
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14.
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Perform the finishing measures 1 - 10, see
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