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12 Operating the Lawn Mower
► If the blade continues to rotate: Remove the activation key
and battery, and contact your STIHL servicing dealer for
assistance.
There is a malfunction in the mower.
Switching on wheel drive
► Insert the activation key.
► Fit the battery.
► Pull the switch lever for wheel drive fully in direction of the
handle and hold it so that your thumb is wrapped around
the handle.
The mower begins to move forwards.
► Release the switch lever for wheel drive.
The mower comes to a standstill.
► If the mower does not stop: Remove the battery and
contact your STIHL dealer for assistance.
There is a malfunction in the mower.
11.2 Checking the Blade
► Switch the lawn mower off, pull out the activation key and
remove the battery.
► Upend the lawn mower, @ 16.1.
► Measure the following:
–Thicknessa
–Widthb
– Sharpening angle c
► If the minimum thickness or minimum width are fallen
below: replace the blade, @ 20.2.
► If the sharpening angle is not observed: sharpen the
blade, @ 20.2.
► If anything is unclear: consult a STIHL specialist dealer.
11.3 Testing the Battery
► Press button on battery.
The LEDs glow or flash.
► If the LEDs do not glow or flash: Do not use the battery
and contact your STIHL servicing dealer.
There is a malfunction in the battery.
12.1 Holding and Guiding the Lawn Mower
► Hold the handlebar with both hands so the thumbs
enclose the handlebar.
12.2 Adjusting the Cutting Height
Four cutting heights can be set:
– 28 mm = position 1
– 50 mm = position 2
– 68 mm = position 3
12 Operating the Lawn Mower
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