How to Repair a Bifold Door Top Pivot The top pivot could become loose and scrape the floor. You can correct this by loosening the set screw on the top bracket slightly. The top pivot pin is made of an iron screw that fits into a plastic cap that has https://bifolddoorrollerreplaceme62597.blazingblog.com/30771477/the-most-effective-advice-you-ll-ever-receive-on-bi-fold-door-repairs