Spark Arresting Screen In Muffler; Checking The Spark Plug - Stihl TS 800 Instruction Manual

Spark Arresting Screen in
Muffler
In some countries, the mufflers are fitted
with a spark arresting screen.
If engine performance deteriorates,
N
check the spark arresting screen in
the muffler
WARNING
Wait until engine has cooled completely
before performing the following
operations.
Versions
There are two different spark arresting
screen versions in the muffler.
Spark arresting screen fastened
–
with clip
Spark arresting screen fastened
–
with screw
Spark arresting screen fastened with
clip
Use a suitable tool to squeeze ends
N
of clip (1) together and then lift the
clip away
Remove the spark arresting screen
N
(2) from the muffler
TS 800
Clean the soiled spark arresting
N
screen
If the screen is damaged or heavily
N
carbonized, fit a new one
Refit the spark arresting screen in
N
reverse order of steps
Spark arresting screen fastened with
screw
2
1
Remove screw (1)
N
Pull out spark arresting screen (2)
N
with a suitable tool
Clean the soiled spark arresting
N
screen
If the screen is damaged or heavily
N
carbonized, fit a new one
Refit the spark arresting screen in
N
reverse order of steps

Checking the Spark Plug

If the engine is down on power, difficult
to start or runs poorly at idle speed, first
check the spark plug.
Removing the spark plug
N
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
N
caused fouling of the spark plug.
Possible causes are:
Too much oil in fuel mix.
–
Dirty air filter.
–
Unfavorable running conditions.
–
Fit a new spark plug after about 100
N
operating hours – or sooner if the
electrodes are badly eroded. Install
English
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