16 Repairing
► If no grease is visible on the end of the screw
plug (1):
► Screw in the tube of STIHL gear lubri‐
cant (2).
► Squeeze 5 g of STIHL gear grease into the
gear housing.
► Unscrew the tube of STIHL gear lubri‐
cant (2).
► Insert and tighten the screw plug (1)
securely.
► Run the hedge trimmer for one minute.
The STIHL gear lubricant is evenly distrib‐
uted.
15.3
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‐
17 Troubleshooting
17.1
Troubleshooting the Hedge Trimmer or Battery
Fault
LEDs on the
battery
Hedge trimmer
1 LED flashing
does not start
green.
when switched
on.
1 LED emits
red light.
3 LEDs flash
red.
0458-019-9801-A
ens on the forward stroke. Maintain the pre‐
scribed sharpening angle,
► 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
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.
Cause
State of charge of the
battery is too low.
The battery is too
warm or too cold.
There is a malfunction
in the hedge trimmer.
Repairing Hedge Trimmer, Bat‐
tery and Charger
Remedy
► Charge the battery.
► Remove the battery.
► Allow the battery to cool down or warm
up.
► Remove the battery.
► Clean electrical contacts in the battery
compartment.
► Insert battery.
► Switch on the hedge trimmer.
English
18.2.
39