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11 Checking the Lawn Mower and Battery
11.1 Checking the Controls
Locking button and control bar
► Pull out the activation key.
► Remove the battery.
► Press the locking button and release it again.
► Pull the control bar fully in the direction of the handlebar
and release it again.
► If the locking button or the control bar is stiff or does not
spring back into the initial position: do not use the lawn
mower and consult a STIHL specialist dealer.
The locking button or the control bar is defective.
Activating the blade
► Insert the activation key.
► Fit the battery.
► Press the locking button with the right hand and hold.
► Pull the control bar with the left hand fully in the direction
of the handlebar and hold so that the thumb encloses the
handlebar.
The blade turns.
► If 3 LEDs flash red: pull out the activation key, remove the
battery and consult a STIHL specialist dealer.
There is a fault in the lawn mower.
► Release the locking button and control bar.
The blade stops turning after a short time.
► If the blade continues to turn: pull out the activation key,
remove the battery and consult a STIHL specialist dealer.
The lawn mower is defective.
11.2 Checking the Blade
► Switch the lawn mower off, pull out the activation key and
remove the battery.
► Tilt the lawn mower sideways and set it down, @ 16.1.
► Measure the following:
– Thickness a
–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.
11 Checking the Lawn Mower and Battery
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