Operating The Lawn Mower - Stihl RM 248.3 T Instruction Manual

11 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, 19.2.
► If anything is unclear: consult a STIHL special‐
ist dealer.
11 Operating the Lawn Mower
11.1 Holding and Guiding the Lawn
Mower
► Hold the handlebar with both hands so the
thumbs enclose the handlebar.
11.2 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
– 70 mm = position 5
– 85 mm = position 6
– 100 mm = position 7
The positions are indicated on the lawn mower.
Setting the cutting height
► Stop the engine.
The blade must not be turning.
► Place the lawn mower on a level surface.
► Hold the lawn mower at handle (1).
► Press and hold lever (2).
0478-111-9615-B
► 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 (3) by means of mark‐
ing (4).
19.2. ► Release lever (2).
The lawn mower engages.
11.3
11.3.1
► Place the lawn mower on a level surface.
► Start the engine.
► Pull control bar for self-propulsion (1) fully in
the direction of handlebar (2) and hold so the
thumb encloses the handlebar.
The lawn mower starts moving.
11.3.2
► Release the control bar for self-propulsion.
► Wait until the lawn mower comes to a stand‐
still.
11.4
The lawn mower is equipped with a multi-blade
and can be used for mowing or mulching.
► If working with self-propulsion engaged: drive
the lawn mower forwards in a controlled man‐
ner.
► If working with self-propulsion disengaged:
push the lawn mower forwards slowly and in a
controlled manner.
Switching the Drive On and Off
Engaging Self-propulsion
Disengaging Self-propulsion
Mowing and Mulching
English
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