FS 260 C, FS 360 C
English
37
Checking the spark plug
N Clean dirty spark plug.
N Check electrode gap (A) and
readjust if necessary – see
"Specifications".
N Rectify the problems which have
caused fouling of the spark plug.
Possible causes are:
– Too much oil in fuel mix.
– Dirty air filter.
– Unfavorable running conditions.
WARNING
If the spark plug comes with a
detachable adapter nut (1), screw the
adapter onto the thread and tighten it
down firmly to reduce the risk of arcing
and fire.
Installing the Spark Plug
N Screw the spark plug into the
cylinder.
N Press the spark plug boot firmly
onto the spark plug.
N Fit the cap (1) on the shroud from
the rear and push the lug (2) into the
opening (3) in the shroud at the
same time.
N Swing the cap forwards onto the
shroud, insert and tighten down the
screw (4) firmly.
If engine running behavior is still
unsatisfactory after the air filter has been
serviced and the carburetor and throttle
cable have been adjusted correctly, the
cause may also be in the muffler.
Have the muffler checked for
contamination (coking) by a servicing
dealer!
STIHL recommends that maintenance
and repair work be carried out only by
authorized STIHL dealers.
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