Use a soft brush to remove debris from all air intakes and cutting blade.
To remove pitch and other sticky residue, spray the blades with resin solvent. Run the motor briefly so that the solvent is evenly distributed.
Wipe the surface with a dry cloth.
⚠ WARNING:
Never use water for cleaning your trimmer.
Avoid using solvents when cleaning plastic parts, as most plastics are susceptible to damage from various types of commercial solvents.
Use clean clothes to remove dirt, dust, oil, grease, etc.