Maintenance; Repairing; Troubleshooting - Stihl FS 410 C-M K Instruction Manual

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15.2 Cleaning the Deflector and Cut‐
ting Attachment
► Shut off the engine.
► Clean the deflector and cutting attachment
with a damp cloth or a soft brush.

16 Maintenance

16.1 Maintenance intervals
Maintenance intervals depend on the ambient
conditions and the operating conditions. STIHL
recommends the following maintenance inter‐
vals:
After every 100 hours of operation
► Replace the spark plug.
Monthly
► Have the fuel tank cleaned by a STIHL dealer.
► Have the pickup body in the fuel tank cleaned
by a STIHL dealer.
Annually
► Have the pickup body in the fuel tank replaced
by a STIHL dealer.

18 Troubleshooting

18.1 Troubleshooting the Brushcutter
Most problems can be attributed to the same cause.
► Carry out the following measures:
► Replace the air filter.
► Clean or replace the spark plug.
► Adjust saw for winter or summer operation.
► If the problem continues: Carry out the measured listed below.
Fault
The engine does not
start.
The engine idles
erratically.
The engine stops
while idling.
The engine does not
reach maximum
speed.
The engine switches
off although there is
still fuel in the fuel
tank.
18
Cause
There is not enough
fuel in the fuel tank.
The carburetor is too
hot.
The carburetor has
iced up.
The carburetor has
iced up.
The carburetor has
iced up.
Trimmer is not cor‐
rectly tuned to ambi‐
ent conditions.
Throttle cable is not
correctly adjusted.
The pickup body is
not located in the
right place.
16.2 Sharpening and Balancing a
Metal Cutting Attachment
Correctly sharpening and balancing metal cutting
attachments requires a lot of practice.
STIHL recommends you have metal cutting
attachments resharpened and balanced by a
STIHL servicing dealer.
► Sharpen the metal cutting attachment as
described in the instructions and on the pack‐
aging supplied with the cutting attachment you
are using.

17 Repairing

17.1 Repairing the Trimmer and
Cutting Attachment
The trimmer and cutting attachment cannot be
repaired by the user.
► If the trimmer or cutting attachment is dam‐
aged: Do not use your trimmer or cutting
attachment and contact your STIHL servicing
dealer.
Remedy
► Prepare fuel mix and refuel the trimmer.
► Allow trimmer to cool down.
► Depress the manual fuel pump at least 10 times
before starting the engine.
► Allow trimmer to warm up to +10°C.
► Allow trimmer to warm up to +10°C.
► Allow trimmer to warm up to +10°C.
► Calibrate the brushcutter.
► Adjust the throttle cable.
► Contact a STIHL servicing dealer.
16 Maintenance
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