Electric Handle Heating; Spark Plug - Stihl FS 410 C-M Instruction Manual

Electric Handle Heating

Depending on the version, the power
tool may be equipped with a handle
heating system.
1
Switch on handle heating by moving
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the switch (1) on the left handle to Z.
Switch off the heating if the handle
temperature feels too high.
Move the switch (1) to 0
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There is no risk of overheating during
long periods of operation. The heating
system is maintenance-free. Contact
your dealer if you have any problems.
STIHL recommends a STIHL servicing
dealer.
FS 410 C-M K, FS 460 C-M K, FS 490 C-M K

Spark Plug

If the engine is down on power,
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difficult to start or runs poorly at idle
speed, first check the spark plug.
Fit a new spark plug after about 100
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operating hours – or sooner if the
electrodes are badly eroded. Install
only suppressed spark plugs of the
type approved by STIHL – see
"Specifications".
Removing the Spark Plug
1
Rotate the screw (1) in the cap (2)
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until the screw head projects from it.
3
Lift the front of the cap (2) and push
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it to the rear to disengage.
Leave the cap to one side.
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Pull off the spark plug boot (3).
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Unscrew the spark plug.
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Checking the Spark Plug
Clean dirty spark plug.
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Check electrode gap (A) and
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readjust if necessary – see
"Specifications".
Rectify the problems which have
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caused fouling of the spark plug.
Possible causes are:
Too much oil in fuel mix.
–
Dirty air filter.
–
Unfavorable running conditions.
–
WARNING
Arcing may occur if the adapter nut (1) is
loose or missing. Working in an easily
combustible or explosive atmosphere
may cause a fire or an explosion. This
can result result in serious injuries or
damage to property.
English
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