

The process of replacing the seals in a hydraulic cylinder with a seal kit involves disassembling the cylinder, removing the old seals, cleaning and inspecting the components, and installing the new seals according to the manufacturer's instructions
. It's essential to follow the recommended procedures and use the right tools to prevent damage to the cylinder and ensure a proper seal.Next, locate the roller assembly, which is typically situated at the top of the door. There may be one or two rollers, depending on the door design. Use your screwdriver to remove the screws securing the roller assembly to the door. Some doors may have a cover that needs to be taken off before accessing the rollers; gently pry it off with pliers if necessary.