
► Lay new washer (1) on new screw (2) with the
convex side facing outwards.
► Apply Loctite 243 thread locker to the thread
of screw (2).
► Position blade (3) so that the raised areas on
contact area (4) engage in notches (5).
► Screw in screw (2) together with washer (1).
► Block blade (1) using a piece of wood (2).
► Tighten screw (3) to 65 Nm.
18.2
Sharpening and Balancing the
Blade
Sharpening and balancing the blade correctly
requires a lot of practice.
STIHL recommends having the blade sharpened
and balanced by a STIHL specialist dealer.
WARNING
■ The cutting edges of the blade are sharp. This
may result in the user cutting themselves.
► Wear work gloves made from resistant
material.
► Switch the lawn mower off, pull out the activa‐
tion key and remove the battery.
► Upend the lawn mower.
► Remove the blade.
► Sharpen the blade. Observe the sharpening
angle and cool the blade, 21.2.
Bluing of the blade during sharpening is not
permitted.
► Attach the blade.
► If anything is unclear: consult a STIHL special‐
ist dealer.
19 Repairing
19.1
Repairing the Lawn Mower
The user should not repair the lawn mower or
blade themselves.
► If the lawn mower or blade is damaged: do not
use the lawn mower or blade and consult a
STIHL specialist dealer.
► If warning signs are illegible or damaged: have
the warning signs replaced by a STIHL spe‐
cialist dealer.
20 Troubleshooting
20.1
Remedying Lawn Mower or Battery Faults
Fault
LEDs on the
battery
Cause
Remedy
The lawn mower
does not start
when switched
on.
1 LED flashes
green.
The battery charge
state is too low.
► Charge the battery.
1 LED illumina‐
tes red.
The battery is too
warm or too cold.
► Pull out the activation key.
► Remove the battery.
► Allow the battery to cool down or warm
up.
3 LEDs flash
red.
There is a fault in the
lawn mower.
► Pull out the activation key.
► Remove the battery.
► Clean the electric contacts in the battery
compartment.
► Fit the battery.
► Switch the lawn mower on.
19 Repairing
English
0478-131-9946-D
37
Summary of Contents for 6338
Page 230: ...STIHL STIHL 4 4 EN 166 4 5 4 5 1 pycc 4 230 0478 131 9946 D...
Page 231: ...4 5 2 10 C 50 C 4 6 4 6 1 STIHL STIHL 4 pycc 0478 131 9946 D 231...
Page 232: ...STIHL 4 6 2 21 2 21 2 STIHL STIHL 4 6 3 15 4 7 pycc 4 232 0478 131 9946 D...
Page 233: ...25 46 6 4 8 4 8 1 4 8 2 4 pycc 0478 131 9946 D 233...
Page 234: ...4 9 4 9 1 4 9 2 10 C 50 C 4 10 pycc 4 234 0478 131 9946 D...
Page 240: ...1 2 I 1 13 4 13 5 1 2 1 2 3 4 14 14 1 pycc 14 240 0478 131 9946 D...
Page 244: ...4 STIHL 3 pycc 20 244 0478 131 9946 D...
Page 249: ...b c 26 4 a b c d e f g h i j k l m n o p 26 5 a b c 26 pycc 0478 131 9946 D 249...
Page 253: ...4 2 STIHL RMA 443 C STIHL AP STIHL STIHL AP 4 3 STIHL STIHL 4 4 4 0478 131 9946 D 253...
Page 254: ...EN 166 4 5 4 5 1 4 5 2 10 C 50 C 4 254 0478 131 9946 D...
Page 255: ...4 6 4 6 1 STIHL STIHL STIHL 4 6 2 21 2 21 2 STIHL STIHL 4 6 3 4 0478 131 9946 D 255...
Page 256: ...15 4 7 25 46 6 4 256 0478 131 9946 D...
Page 257: ...4 8 4 8 1 4 8 2 4 9 4 9 1 4 9 2 4 0478 131 9946 D 257...
Page 260: ...7 8 7 9 7 2 7 2 1 1 2 3 4 1 7 2 2 1 2 3 4 5 1 2 7 2 3 8 8 1 1 2 1 2 8 2 8 260 0478 131 9946 D...
Page 261: ...9 9 1 1 2 3 2 4 1 9 2 1 2 3 3 1 10 10 1 1 2 3 1 10 2 11 11 1 11 1 1 1 9 0478 131 9946 D 261...
Page 264: ...1 2 1 2 3 4 14 14 1 15 15 1 1 2 1 2 15 2 14 264 0478 131 9946 D...
Page 268: ...LED 3 LED 20 268 0478 131 9946 D...
Page 272: ...26 3 a b c 26 4 a b c d e f g h i j k l m n o p 26 272 0478 131 9946 D...
Page 273: ...26 5 a b c d e f g h 26 0478 131 9946 D 273...
Page 274: ...26 274 0478 131 9946 D...
Page 275: ...26 0478 131 9946 D 275...
Page 276: ...www stihl com 04781319946D 04781319946D 0478 131 9946 D 0478 131 9946 D...