Stihl RMA 443 C - Switching the Mower On and Off (Continued); Deactivating the Blade Safely; Checking Lawn Mower and Battery; Checking Controls Functionality

► Press locking button (1) with the right hand
and hold.
► Pull control bar for mowing (2) with the left
hand fully in the direction of handlebar (3) and
hold so the thumb encloses handlebar (3).
The blade turns.
► Release locking button (1).
► Hold handlebar (3) and control bar for mow‐
ing (2) with the right hand so the thumb enclo‐
ses handlebar (3).
11.1.2 Deactivating the Blade
► Release the control bar for mowing.
► Wait until the blade is no longer turning.
► If the blade continues to turn: pull out the acti‐
vation key, remove the battery and consult a
STIHL specialist dealer.
The lawn mower is defective.
12 Checking the Lawn Mower
and Battery
12.1 Checking the Controls
Locking button and control bar
► Pull out the activation key.
► 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.
Activating the blade
► Insert the activation key.
► 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 that
the thumb encloses the handlebar.
The blade turns.
► If 3 LEDs flash red: pull out the activation key,
remove the battery and consult a STIHL spe‐
cialist dealer.
There is a fault in the lawn mower.
► Release the locking button and control bar.
The blade stops turning after a short time.
► If the blade continues to turn: pull out the acti‐
vation key, remove the battery and consult a
STIHL specialist dealer.
The lawn mower is defective.
12.2 Checking the Blade
► Switch the lawn mower off, pull out the activa‐
tion key and remove the battery.
►
Upend the lawn mower, 17.1.
► Measure the following:
–
Thickness a
–
Width b
–
Sharpening angle c
► If the minimum thickness or minimum width
are fallen below: replace the blade, 21.2.
► If the sharpening angle is not observed:
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.
12 Checking the Lawn Mower and Battery English
0478-131-9946-D 33