English
► Turn the screw (1) counterclockwise until the
air filter (2) can be removed.
► Swing the air filter (2) upwards and pull it off.
► Pass the air filter (2) under running water to
rinse off coarse dirt from the outside.
► If the air filter (2) is damaged: Install a new air
filter (2).
► Allow the air filter (2) to dry in the air.
► Install the air filter (2) in the housing and fold it
down.
The air filter (2) must sit flush in the housing at
all sides.
► Insert and tighten down the screw (1) firmly.
17.4
Cleaning the Battery
► Clean the battery with a damp cloth.
18 Maintenance
18.1
Maintenance intervals
Maintenance intervals depend on the ambient
conditions and the operating conditions. STIHL
recommends the following maintenance inter‐
vals:
After every 50 hours of operation
► Lubricate the gearbox.
► Clean the air filter.
Annually
► Have the brushcutter checked by a STIHL
dealer.
18.2
Lubricating the gearbox
1
► Remove screw plug (2).
► If no grease can be seen on the end of the
screw plug (2):
20 Troubleshooting
20.1
Troubleshooting the brushcutter or battery
Fault
LEDs on the
battery
The brushcutter
1 LED flashes
does not start
green.
when switched
on.
48
2
Cause
The state of charge of
the battery is too low.
► Screw in the tube of STIHL gear lubri‐
cant (1).
► Squeeze 5 g of STIHL gear grease into the
gear housing.
► Unscrew the tube of STIHL gear lubri‐
cant (1).
► Refit and firmly tighten the screw plug (2) .
► Run the brushcutter for 1 minute without
load.
The STIHL gear lubricant is evenly distrib‐
uted.
18.3
Sharpening and Balancing a
Metal Cutting Attachment
Correctly sharpening and balancing metal cutting
attachments requires a lot of practice.
STIHL recommends you have metal cutting
attachments resharpened and balanced by a
STIHL servicing dealer.
► Sharpen the metal cutting attachment as
described in the instructions and on the pack‐
aging supplied with the cutting attachment you
are using.
19 Repairing
19.1
Repairing the Trimmer and
Cutting Attachment
The trimmer and cutting attachment cannot be
repaired by the user.
► If the trimmer or cutting attachment is dam‐
aged: Do not use your trimmer or cutting
attachment and contact your STIHL servicing
dealer.
19.2
Servicing and Repairing the
Battery
The battery requires no servicing and cannot be
repaired.
► If the battery has a malfunction or is damaged:
Replace the battery.
Remedy
► Recharge the battery fully as described in
the user manual for the STIHL AL 101,
301, 301-4, 500 chargers.
18 Maintenance
0458-662-9602-A