Using the Muc - Off X - 3 chain cleaning machine is easy. First, pour the included 75ml Muc - Off Drivetrain Cleaner into the top reservoir or spray it directly on the drivetrain. Then, place your dirty bike chain in the machine. Press the control button to release the cleaner. Let the machine work its magic with the rotating brush wheels and cleaning teeth for a few seconds. After cleaning, remove the chain and dry it properly. When using the drivetrain cleaner, avoid getting it in your eyes. Keep the machine in a dry place when not in use. Periodically check the cleaning teeth and brush wheels for wear and tear, and replace them if necessary to maintain the machine's performance.