The answer to 'how to maintain retaining wall installation' is to regularly inspect the wall, clear debris, repair any cracks or damage, and ensure proper drainage. This will help extend the life of your retaining wall and prevent costly issues down the line.
Start by visually inspecting the wall every few months, looking for cracks, tilting, or loose stones. Clear away any plants, leaves, or other debris that have built up. If you find any damage, address it promptly to prevent further deterioration. Ensure the wall's drainage system is working properly by checking for clogs and clearing them out.