12-16 BIW assembly 12. Body Sheet Metal and Paint Repair Manual Precautions for welding: - The shape of the tip of the spot welder can affect welding strength. Therefore, the tip shall have a proper shape and it shall cool down after five or six times of spot welding. - Completely remove paint film from spot welding position, including joints and surfaces in contact with the welding head. - Use a grinder to remove burrs formed during spot welding. -A- Spot welding electrode tip scraper 6. Rust prevention (before painting) To prevent water from getting into body panels and thus rusting the panels, apply body sealant to body panel seams and edges of doors, engine hood, etc.
To prevent corrosion and protect the body from being damaged by impacts of gravel, it is important to apply sufficient amount of anti-rock coating to the underbody and the inside of the wheel housing. VOYAH FREE