16 Maintenance
► Clean the deflector and cutting attachment with a damp
cloth or a soft brush.
16 Maintenance
16.1 Maintenance Intervals
The maintenance intervals are dependent on the
environmental and operating conditions. STIHL
recommends the following maintenance intervals:
After every 50 hours of operation
► Lubricate the gearbox.
Every 12 months
► Have the trimmer checked by a STIHL servicing dealer.
16.2 Lubricating the Gearbox
1
► Remove the screw plug (2).
► If no grease can be seen on the end of the screw plug (2):
► Screw the tube (1) of STIHL gear grease into the filler
hole.
► Squeeze 5 g of STIHL gear grease into the gear
housing.
► Unscrew the tube (1) of STIHL gear grease.
► Refit and tighten down the screw plug (2) firmly.
► Run the trimmer for 1 minute.
STIHL gear grease is distributed evenly.
0458-726-9821-C
2
16.3 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 packaging supplied with the cutting
attachment you are using.
17 Repairing
17.1 Repairing the Trimmer and Cutting Attachment
The trimmer and cutting attachment cannot be repaired by
the user.
► If the trimmer or cutting attachment is damaged: Do not
use your trimmer or cutting attachment and contact your
STIHL servicing dealer.
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