► Spray both sides of the cutting blades with
STIHL resin solvent.
► Insert battery.
► Run the hedge trimmer for 5 seconds.
The cutting blades run. The STIHL resin sol‐
vent is distributed evenly.
14.3 Cleaning the Battery
► Clean the battery with a damp cloth.
14.4 Cleaning the Charger
► Disconnect the mains plug from the power
supply.
► Clean the charger with a damp cloth.
► Clean vents with a paintbrush.
► Clean the charger’s electrical contacts with a
paintbrush or a soft brush.
15 Maintenance
15.1 Sharpening the cutting blades
STIHL recommends you have the cutting blades
resharpened by a STIHL dealer.
WARNING
■ The teeth of the cutting blades are very sharp.
There is a risk of cutting oneself.
► Wear work gloves made of robust material.
► Switch off the hedge trimmer and remove the
battery.
► Use a STIHL flat file to sharpen each cutting
edge on the upper blade. The file only sharp‐
ens on the forward stroke. Maintain the pre‐
scribed sharpening angle, 18.2.
► Turn the hedge trimmer over.
► Sharpen the remaining cutting edges.
► Deburr each cutting edge from below.
► Turn the hedge trimmer over.
► Deburr the remaining cutting edges.
► Use a damp cloth to remove the filing dust.
► Spray both sides of cutting blades with STIHL
resin solvent.
► Run the hedge trimmer for 5 seconds.
The cutting blades run. The STIHL resin sol‐
vent is distributed evenly.
► If you are unsure: Consult a STIHL authorized
dealer.
16 Repairing
16.1 Repairing Hedge Trimmer, Bat‐
tery and Charger
The hedge trimmer, cutting blades, battery and
charger are not user serviceable.
► If the hedge trimmer or cutting blades are
damaged: Do not use your hedge trimmer and
contact your STIHL servicing dealer.
► If the battery has a malfunction or is damaged:
Replace the battery.
► If the charger has a malfunction or is dam‐
aged: Replace the charger.
► If the connecting cable has a malfunction or is
damaged: Do not use the charger and have
connecting cable replaced by a STIHL servic‐
ing dealer.
17 Troubleshooting
17.1 Troubleshooting Hedge Trimmer or Battery
Fault LEDs on the
battery
Cause Remedy
Hedge trimmer
does not start
when switched
on.
1 LED flashing
green.
State of charge of the
battery is too low.
► Charge the battery.
1 LED emits
red light.
The battery is too
warm or too cold.
► Remove the battery.
► Allow the battery to cool down or warm
up.
3 LEDs flash
red.
There is a malfunction
in the hedge trimmer.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
15 Maintenance English
0458-018-9801-A 37
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