How to Repair a Bifold Door Top Pivot The top pivot may become loose and scrape the floor. You can correct this by loosening the set screw on the top bracket a bit. The top pivot pin is made of an iron screw that fits into a plastic cap that https://bi-folddoorrepair75374.getblogs.net/63005145/20-quotes-that-will-help-you-understand-bi-fold-door-repairs