If some of the brackets are off, shift them using the slot under the lag screw. Avoid loosening the lag screws as you don't want to disturb your caulk by tapping on the L-brackets with a mallet to shift them into alignment. Repeat this with all of your rails to ensure they. . Meta Description: Learn how to accurately calculate the hole position of photovoltaic brackets with step-by-step methods, industry benchmarks, and AI-powered tools. Avoid structural failures and reduce costs by 30%. Ever wondered why 30% of solar installations require rework within the first year?. Maintaining and repairing solar panel brackets is essential for the longevity and efficiency of solar energy systems. A thorough understanding of the problem, coupled with the appropriate tools and techniques, ensures that the brackets function optimally. Getting this distance right isn't just about avoiding a wobbly installation - it's about maximizing energy production and preventing your expensive photovoltaic system from becoming a modern art installatio. . This manual contains important safety instructions for the Solar Photovoltaic Modules (hereafter referred to as “Modules”) of JA Solar Holdings Co. (hereafter referred to as “JA Solar).