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21 Inspection and Maintenance
To clean the trimmer and battery:
► Clean the trimmer's polymer components with a slightly
dampened cloth. Do not use detergents or solvents. They
may damage the polymer components.
► Do not use a pressure washer to clean the trimmer or
otherwise spray it with water or other liquids.
► Keep the battery housing and guides free from foreign
matter and clean as necessary with a soft brush or soft,
dry cloth.
► Clean the area around the fan wheel with a damp cloth or
soft brush.
21.1 Inspecting and Maintaining the Trimmer
WARNING
To reduce the risk of personal injury from unintended
activation, remove the battery before inspecting the trimmer
or carrying out any maintenance, @ 7. Carry out only the
maintenance operations described in this manual. There are
no user-authorized repairs. STIHL recommends that repair
work be performed by authorized STIHL servicing dealers.
To properly maintain the trimmer:
► Replace a worn mowing head or deflector.
► Have worn, missing or damaged safety labels replaced by
an authorized STIHL servicing dealer.
If you make a warranty claim for a component that has not
been serviced or maintained properly, coverage may be
denied.
21 Inspection and Maintenance