Checking The Lawn Mower; Checking The Controls; Checking The Blade; Testing The Battery - Stihl Rma 248.3 Gebrauchsanleitung

11 Checking the Lawn Mower

► Press locking button (1) with the right hand
and hold.
► Pull control bar (2) with the left hand fully in
the direction of handlebar (3) and hold so the
thumb encloses handlebar (3).
The blade rotates.
► Release locking button (1).
► Hold handlebar (3) and control bar (2) with the
right hand so the thumb encloses handle‐
bar (3).
10.2 Deactivating the Blade
► Release the control bar.
► Wait until the blade is no longer turning.
► If the blade continues to turn: remove the bat‐
tery and consult a STIHL specialist dealer.
The lawn mower is defective.
11 Checking the Lawn Mower
11.1

Checking the Controls

Locking button and control bar
► 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 defec‐
tive.
Activate the blade
► 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 the
thumb encloses the handlebar.
The blade rotates.
► Release the locking button and control bar.
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.
0478-131-9800-B
11.2

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, 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:
– 20 mm = position 1
– 30 mm = position 2
– 40 mm = position 3
– 55 mm = position 4
English
16.1.
20.2.
45