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21 Inspection and Maintenance
► Keep the charger housing and electrical contacts free
from foreign matter. Clean as necessary with a soft brush
or soft, dry cloth. Always unplug the charger before
cleaning.
20.2 Cleaning the Cutting Blades
WARNING
To reduce the risk of personal injury from unintended
activation, remove the battery before carrying out any
cleaning work,
9.1. Users of this hedge trimmer should
carry out only the cleaning described in this manual. To help
prevent injuries, always wear heavy-duty work gloves when
handling the hedge trimmer or its cutting blades,
To clean the cutting blades:
► Spray both sides of the cutting blades with a resin solvent,
such as STIHL Resin Remover and Lubricant.
► Switch on the hedge trimmer for a few seconds to evenly
distribute the resin solvent throughout the cutting blades.
► Do not use a pressure washer to clean the cutting blades
or otherwise spray them with water or other liquids.
21.1 Inspecting and Maintaining the Hedge Trimmer
WARNING
To reduce the risk of personal injury from unintended
activation, remove the battery before inspecting the hedge
trimmer or carrying out any maintenance,
9.1. 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 hedge trimmer:
► Have worn cutting blades replaced by an authorized
STIHL servicing dealer.
► Have missing or damaged safety labels replaced by an
authorized STIHL servicing dealer.
If you make a warranty claim for a component which has not
been serviced or maintained properly, coverage may be
denied.
21.2 Inspecting and Maintaining the Cutting Blades
WARNING
To reduce the risk of personal injury from unintended
activation, remove the battery before inspecting the cutting
blades or carrying out any maintenance,
9.1. STIHL
recommends having the cutting blades sharpened by an
authorized STIHL servicing dealer.
Although it is best to have the cutting blades resharpened by
a dealer on a workshop sharpener, it is possible to use a flat
crosscut sharpening file.
Sharpen the cutting blades when cutting performance
begins to deteriorate, i.e., blades frequently snag on
branches or fail to cut material cleanly.
To sharpen the cutting blades with a file:
► Sharpen each cutting edge of the upper cutting blade with
a sharpening file. Always file toward the cutting edge with
a forward motion. The file only sharpens on the forward
stroke. Lift off the blade on the backstroke.
21 Inspection and Maintenance
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