This video provides a comprehensive overview of the three most common installation configurations for door closers. It also goes into detail on how to properly adjust the valve cylinder functions to ensure optimal performance. Whether you’re working with a standard installation, a top jamb, or a parallel arm setup, this video walks you through each configuration and offers step-by-step instructions on making precise adjustments to the door closer’s valves. With these adjustments, you can fine-tune the closing speed, latch speed, and overall operation to meet your specific needs.