Operating The Lawn Mower - Stihl RMA 248 Instruction Manual

12 Operating 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, 20.2.
► If anything is unclear: consult a STIHL special‐
ist 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 Operating the Lawn Mower
12.1 Holding and Guiding the Lawn
Mower
► Hold the handlebar with both hands so the
thumbs enclose the handlebar.
12.2 Setting the Cutting Height
Seven cutting heights can be set:
– 25 mm = position 1
– 30 mm = position 2
– 40 mm = position 3
– 50 mm = position 4
– 55 mm = position 5
– 65 mm = position 6
0478-131-9961-C
– 75 mm = position 7
The positions are indicated on the lawn mower.
Setting the cutting height
► Stop the engine.
The blade must not be turning.
► Pull lever (1) from the notch and move to the
desired position.
20.2.
12.3
► Push the lawn mower forwards slowly and in a
controlled manner.
12.4
The flow of air generated by the blade raises
level indicator (1). The flow of air stops when the
Mowing
Emptying the Grass Catcher
Box
English
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