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15 Maintenance
15 Maintenance
15.1
Maintenance Interval
The maintenance interval is dependent on the
ambient conditions and the working conditions.
STIHL recommends the following maintenance
interval:
Annual
► Have the lawn mower serviced by a STIHL
specialist dealer.
15.2
Removing and Attaching the
Blade
15.2.1
Removing the Blade
► Switch the lawn mower off.
► Detach the extension cable connector from the
mains plug of the lawn mower.
► Upend the lawn mower.
► Block blade (1) using a piece of wood (2).
► Unscrew screw (3) in the direction of the arrow
and remove.
► Remove blade (1).
► Discard screw (3).
Use a new screw to attach blade (1).
15.2.2
Attaching the Blade
► Switch the lawn mower off.
► Detach the extension cable connector from the
mains plug of the lawn mower.
► Upend the lawn mower.
► Apply Loctite 243 thread locker to the thread
of new screw (1).
0478-121-9925-A
► Position blade (2) so that the raised areas on
contact area (3) engage in notches (4).
► Screw in screw (1).
► Block blade (1) using a piece of wood (2).
► Tighten screw (3) to 10-15 Nm.
15.3
Sharpening and Balancing the
Blade
Sharpening and balancing the blade correctly
requires a lot of practice.
STIHL recommends having the blade sharpened
and balanced by a STIHL specialist dealer.
The current addresses of the specialist dealers
can be found under the respective STIHL country
representative at www.stihl.com.
WARNING
■ The cutting edges of the blade are sharp. This
may result in the user cutting themselves.
► Wear protective gloves.
► Switch the lawn mower off.
► Detach the extension cable connector from the
mains plug of the lawn mower.
► Upend the lawn mower.
► Remove the blade.
► Sharpen the blade. Observe the sharpening
angle and cool the blade,
Bluing of the blade during sharpening is not
permitted.
► Attach the blade.
► If anything is unclear: consult a STIHL special‐
ist dealer.
16 Repairing
16.1
Repairing the Lawn Mower
The user should not repair the lawn mower or
blade themselves.
► If the lawn mower or blade is damaged: do not
use the lawn mower or blade and consult a
STIHL specialist dealer.
English
18.2.
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