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12 Checking the Lawn Mower
and Battery
12.1
Checking the Controls
Control bar for mowing
► Remove the battery.
► Pull the control bar for mowing fully in the
direction of the handlebar and release again.
► If the control bar for mowing is stiff or does not
spring back into the initial position: do not use
the lawn mower and consult a STIHL special‐
ist dealer.
The control bar for mowing is defective.
Control bar for self-propulsion
► Remove the battery.
► Pull the control bar for self-propulsion fully in
the direction of the handlebar and release
again.
► If the control bar for self-propulsion is stiff or
does not spring back into the initial position:
do not use the lawn mower and consult a
STIHL specialist dealer.
The control bar for self-propulsion is defective.
Activate the blade
► Fit the battery.
► Switch the lawn mower on.
► Within three seconds, pull control bar for mow‐
ing with the left hand fully in the direction of
handlebar and hold so the thumb encloses
handlebar.
The blade rotates.
► If 3 LEDs flash red: remove the battery and
consult a STIHL specialist dealer.
There is a fault in the lawn mower.
► Release the control bar for mowing.
The blade stops turning after a short time.
► If the blade continues to turn: remove the bat‐
tery and consult a STIHL specialist dealer.
The lawn mower is defective.
Engage self-propulsion
► Fit the battery.
► Switch the lawn mower on.
► Setting the self-propulsion speed.
► Pull the control bar for self-propulsion fully in
the direction of the handlebar and hold so the
thumb encloses the handlebar.
The lawn mower starts moving.
► Release the control bar for self-propulsion.
The lawn mower comes to a standstill.
► If the lawn mower continues moving: remove
the battery and consult a STIHL specialist
dealer.
The lawn mower is defective.
46
12 Checking the Lawn Mower and Battery
12.2
Checking the Blade
► Switch the lawn mower off and remove the
battery.
► Upend the lawn mower,
► Measure the following:
– Thickness a
– Width b
– Sharpening angle c
► If the minimum thickness or minimum width is
fallen below: replace the blade,
► If the sharpening angle is not correct: sharpen
the blade,
21.2.
► If anything is unclear: consult a STIHL special‐
ist dealer.
12.3
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.
13 Operating the Lawn Mower
13.1
Holding and Guiding the Lawn
Mower
► Hold the handlebar with both hands so the
thumbs enclose the handlebar.
13.2
Setting the Cutting Height
Seven cutting heights can be set:
– 20 mm = position 1
– 30 mm = position 2
– 40 mm = position 3
– 55 mm = position 4
17.1.
21.2.
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