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► Upend the lawn mower,
► Measure the following:
– Thickness a
– Grinding limit b
– Sharpening angle c
► Check the thickness (a) at several points on
the blade using a slide calliper (1).
If the minimum thickness is fallen below:
replace the blade,
► Place a ruler (2) against the front blade edge
and measure grinding limit (b).
If the permissible grinding limit is reached:
replace the blade,
► If the sharpening angle (c) is not correct:
sharpen the blade,
► If anything is unclear: consult a STIHL special‐
ist dealer.
10 Operating the Lawn Mower
10.1
Holding and Guiding the Lawn
Mower
► Hold the handlebar with both hands so the
thumbs enclose the handlebar.
10.2
Setting the Cutting Height
The following cutting heights can be set:
– 20 mm = position S
– 30 mm = position 1
2
Not available for all country variants.
32
14.1.
18.2
18.2
18.2.
2
10 Operating the Lawn Mower
– 40 mm = position 2
– 50 mm = position 3
– 60 mm = position 4
– 70 mm = position 5
The positions are indicated on the lawn mower.
Setting the cutting height
► Switch the lawn mower off.
The blade must not be turning.
► Place the lawn mower on a level surface.
► Hold the lawn mower at the handle.
► Push lever (1) away from the lawn mower
slightly and hold.
► Move the lawn mower to the desired position
by raising and lowering the lever.
The current cutting height can be read off at
cutting height indicator (2) by means of mark‐
ing (3).
► Release lever (1).
The lawn mower engages.
10.3
Mowing
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