15 Cleaning
15.1 Upending the Lawn Mower
► Run the fuel tank empty.
The engine stops.
► Place the lawn mower on a level surface.
►
Set the cutting height to position 1, 11.2.
► Detach spark plug socket (1).
► Hold handlebar (2) and open quick-clamping
devices (3).
► Set down handlebar (2) to the rear.
► Upend the lawn mower.
15.2 Cleaning the Lawn Mower
► Stop the engine.
► Allow the lawn mower to cool down.
► Detach the spark plug socket.
► Clean the lawn mower with a damp cloth.
► Clean the ventilation slots with a paintbrush.
► Upend the lawn mower.
► Clean the area around the blade and the blade
with a stick, a soft brush or a damp cloth.
16 Maintenance
16.1 Maintenance Intervals
Maintenance intervals are dependent on the
ambient conditions and the working conditions.
STIHL recommends the following maintenance
intervals:
Engine
► Maintain the engine as described in the engine
instruction manual.
Lawn mower
► Have the lawn mower inspected annually by a
STIHL specialist dealer.
16.2 Removing and Attaching the
Blade
16.2.1 Removing the Blade
► Stop the engine.
► Detach the spark plug socket.
► Upend the lawn mower.
► Hold blade (1).
► Unscrew bolt (2) and remove together with
washer (3).
► Remove blade (1).
► Discard bolt (2) and washer (3).
Use a new bolt and washer to attach blade (1).
16.2.2 Attaching the Blade
► Stop the engine.
► Detach the spark plug socket.
► Upend the lawn mower.
► Place new washer (3) on new bolt (2).
► Apply Loctite 243 thread locker to the thread
of bolt (2).
► Position blade (1) so the raised areas on the
contact area engage in the notches in
blade (1).
► Screw in bolt (2) together with washer (3).
► Hold blade (1).
► Tighten bolt (2) to 65 Nm.
English 15 Cleaning
28 0478-111-9957-A