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WELDING TSB Revision BASE OF BODY REPAIR 9-7 Galvanized steel plate (SECC) CAUTION If the total thickness of the plates at the weld *: For welding steel plates of different thicknesses, . USING A TEST PIECE TO CHECK NUGGET FORMATION 1. Good (The welded part remains at one side). The weld conditions are unsatisfactory; adjust the welding . CHECKING NUGGET STRENGTH FOLLOWING SPOT CAUTION • Stop wedging the tip or the chisel or flat-tipped screw- • After checking the nugget diameter, correct the place Wedge the tip of a chisel or flat-tipped (-) screwdriver into the • The nuggets should not break apart. • The nugget diameter should be 3 mm (0.1 inch) or more. PANEL NUMBER OF REPAIR WELD (PERCENTAGE OF FACTORY WELD) SAFETY 0.9 (0.04) or 100% Same number as factory welds 1.0 (0.04) 200% Maintain pitch of at least 18 mm (0.7 inch); if not possible, plug weld. 1.2 (0.05) or 100% Same number as factory welds; plug welding OTHER 0.9 (0.04) or 100% Same number as factory welds 1.0 (0.04) 140% Maintain pitch of at least 18 mm (0.7 inch); if not possible, plug weld. 1.2 (0.05) or 100% Same number as factory welds; plug welding AB200032AB WELD POINT 1 2 3 AB200033AB 3 mm (0.1 in) |