Using this Milwaukee M18 FUEL 21mm random orbital polisher is easy. First, make sure the battery is fully charged and properly installed. Then, select the appropriate speed on the 8 - position speed dial according to your polishing task. You can start with a lower speed for lighter jobs and increase it for heavy - correction work. Use the variable - speed trigger to control the speed precisely as you work. If you need to work for a long time, press the lock - on button to keep the polisher running without constantly holding the trigger. When using it, keep the work surface clean and make sure there are no debris that could scratch it. After use, remove the battery and store it in a cool, dry place. Wipe down the polisher with a clean cloth to keep it clean. Periodically check the motor and other parts for any signs of wear or damage. If you notice any issues, contact the manufacturer or a professional for repair.
