Spark Plug - Stihl MS 362 C-Q Instruction Manual

English

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
Move the Master Control lever to
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stop position (0)
Push the hand guard forward – the
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chain is locked.
2
1
Open the twist locks (1) by turning
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them 1/4 turn counterclockwise with
the combination wrench.
Remove the shroud (2).
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34
Pull off the spark plug boot.
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Unscrew the spark plug.
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Checking the spark plug
1
Clean dirty spark plug.
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Check electrode gap (A) and
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readjust if necessary – see
"Specifications".
1
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
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
A
Screw home the spark plug, fit the
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boot and press it down firmly.
Fit the shroud.
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1
MS 362 C-Q