To clean the high torque brush bar, please refer to the following steps:
1. Turn the lock counterclockwise until it stops, then remove the roller brush from the high torque brush bar;
2. Use scissors to cut and pick out any hair or other debris tangled around the roller brush. Wipe away excess dust from the slot and clear plastic cover using a dry cloth or paper towel;
3. After extended use, the roller brush becomes dirty and should be washed;
4. After washing, dry the roller brush thoroughly by standing it upright in a well-ventilated area for at least 24 hours.