16 Maintenance
16 Maintenance
16.1
Maintenance intervals
Maintenance intervals depend on the ambient
conditions and the operating conditions. STIHL
recommends the following maintenance inter‐
vals:
After the first month or 25 hours of runtime:
► Lubricate the gearbox.
Every 50 hours of runtime thereafter:
► Lubricate the gearbox.
Annually
► Have hedge trimmer checked by a STIHL
authorized dealer.
16.2
Lubricating the gearbox
2
1
3
► Remove the screw plug (4).
► If no grease is visible on the end of the screw
plug (4):
► Pull out the plug (1) of the STIHL grease
gun (3).
► Fill the STIHL grease gun (3) with STIHL
gear grease (2) until it is two-thirds full.
► Insert the plug (1) in the STIHL grease gun
(3).
► Hold the STIHL grease gun (3) against the
lubrication hole.
► Squeeze 5 g of STIHL gear grease from the
STIHL grease gun (3) into the gear housing.
► Pull out the STIHL grease gun (3).
► Insert and tighten the screw plug (4) securely.
16.3
Sharpening the cutting blades
STIHL recommends you have the cutting blades
resharpened by a STIHL dealer.
18 Troubleshooting
18.1
Troubleshooting the hedge trimmer or battery
Error
LEDs on the
battery
Hedge trimmer
1 LED flashes
does not start
green.
0458-069-9601-A
■ The teeth of the cutting blades are very sharp.
► Switch off the hedge trimmer and remove the
► Use a STIHL flat file to sharpen each cutting
4
► 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.
3
► Use a damp cloth to remove the filing dust.
► Spray both sides of cutting blades with STIHL
► Run the hedge trimmer for 5 seconds.
► If you are unsure: Consult a STIHL authorized
17 Repairing
17.1
The hedge trimmer, cutting blades and battery
cannot be repaired by the user.
► If the hedge trimmer or cutting blades are
► If the battery has a malfunction or is damaged:
Cause
State of charge of the
battery is too low.
WARNING
There is a risk of cutting oneself.
► Wear work gloves made of robust material.
battery.
edge on the upper blade. The file only sharp‐
ens on the forward stroke. Maintain the pre‐
scribed sharpening angle,
resin solvent.
The cutting blades run. The STIHL resin sol‐
vent is distributed evenly.
dealer.
Repairing the Hedge Trimmer
and Battery
damaged: Do not use your hedge trimmer and
contact your STIHL servicing dealer.
Replace the battery.
Remedy
► Charge the battery as described in the
User Manual for STIHL AL 101, 301,
301-4, 500 and 501 chargers.
English
19.2.
33