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.
FS 94 R
Use resistor type spark plugs with a
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properly tightened adapter nut.
Installing the Spark Plug
Fit the spark plug and tighten it
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down firmly.
Press the boot firmly onto the spark
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plug.
A
2
Fit the cap (1), insert the screw (2)
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and tighten it down firmly.
1
Lubricating the Gearbox
1
Check grease level after every 25 hours
of operation and re-lubricate if
necessary.
Remove the screw plug (1).
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If no grease can be seen on the
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inside of the screw plug (1): Screw
the tube (2) of STIHL gear lubricant
(special accessory) into the filler
hole.
Squeeze no more than 5 g (1/5 oz)
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grease into the gearbox.
Do not completely fill the gearbox with
grease.
Unscrew the tube (2).
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Insert the screw plug (1) and tighten
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it down firmly.
1
NOTICE
English
27